ActivityManagerService.java revision 95465200b0f652c48d40ca1028238763dd647900
1/* 2 * Copyright (C) 2006-2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.am; 18 19import static android.Manifest.permission.INTERACT_ACROSS_USERS; 20import static android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; 21import static android.Manifest.permission.START_TASKS_FROM_RECENTS; 22import static android.content.pm.PackageManager.PERMISSION_GRANTED; 23import static com.android.internal.util.XmlUtils.readBooleanAttribute; 24import static com.android.internal.util.XmlUtils.readIntAttribute; 25import static com.android.internal.util.XmlUtils.readLongAttribute; 26import static com.android.internal.util.XmlUtils.writeBooleanAttribute; 27import static com.android.internal.util.XmlUtils.writeIntAttribute; 28import static com.android.internal.util.XmlUtils.writeLongAttribute; 29import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST; 30import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 31import static org.xmlpull.v1.XmlPullParser.START_TAG; 32import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; 33 34import android.Manifest; 35import android.app.AppOpsManager; 36import android.app.ApplicationThreadNative; 37import android.app.IActivityContainer; 38import android.app.IActivityContainerCallback; 39import android.app.IAppTask; 40import android.app.ProfilerInfo; 41import android.app.admin.DevicePolicyManager; 42import android.app.usage.UsageEvents; 43import android.app.usage.UsageStatsManagerInternal; 44import android.appwidget.AppWidgetManager; 45import android.content.res.Resources; 46import android.graphics.Bitmap; 47import android.graphics.Point; 48import android.graphics.Rect; 49import android.os.BatteryStats; 50import android.os.PersistableBundle; 51import android.service.voice.IVoiceInteractionSession; 52import android.util.ArrayMap; 53import android.util.ArraySet; 54import android.util.SparseIntArray; 55 56import com.android.internal.R; 57import com.android.internal.annotations.GuardedBy; 58import com.android.internal.app.IAppOpsService; 59import com.android.internal.app.IVoiceInteractor; 60import com.android.internal.app.ProcessMap; 61import com.android.internal.app.ProcessStats; 62import com.android.internal.content.PackageMonitor; 63import com.android.internal.os.BackgroundThread; 64import com.android.internal.os.BatteryStatsImpl; 65import com.android.internal.os.ProcessCpuTracker; 66import com.android.internal.os.TransferPipe; 67import com.android.internal.os.Zygote; 68import com.android.internal.util.FastPrintWriter; 69import com.android.internal.util.FastXmlSerializer; 70import com.android.internal.util.MemInfoReader; 71import com.android.internal.util.Preconditions; 72import com.android.server.AppOpsService; 73import com.android.server.AttributeCache; 74import com.android.server.IntentResolver; 75import com.android.server.LocalServices; 76import com.android.server.ServiceThread; 77import com.android.server.SystemService; 78import com.android.server.SystemServiceManager; 79import com.android.server.Watchdog; 80import com.android.server.am.ActivityStack.ActivityState; 81import com.android.server.firewall.IntentFirewall; 82import com.android.server.pm.UserManagerService; 83import com.android.server.wm.AppTransition; 84import com.android.server.wm.WindowManagerService; 85import com.google.android.collect.Lists; 86import com.google.android.collect.Maps; 87 88import libcore.io.IoUtils; 89 90import org.xmlpull.v1.XmlPullParser; 91import org.xmlpull.v1.XmlPullParserException; 92import org.xmlpull.v1.XmlSerializer; 93 94import android.app.Activity; 95import android.app.ActivityManager; 96import android.app.ActivityManager.RunningTaskInfo; 97import android.app.ActivityManager.StackInfo; 98import android.app.ActivityManagerInternal; 99import android.app.ActivityManagerNative; 100import android.app.ActivityOptions; 101import android.app.ActivityThread; 102import android.app.AlertDialog; 103import android.app.AppGlobals; 104import android.app.ApplicationErrorReport; 105import android.app.Dialog; 106import android.app.IActivityController; 107import android.app.IApplicationThread; 108import android.app.IInstrumentationWatcher; 109import android.app.INotificationManager; 110import android.app.IProcessObserver; 111import android.app.IServiceConnection; 112import android.app.IStopUserCallback; 113import android.app.IUiAutomationConnection; 114import android.app.IUserSwitchObserver; 115import android.app.Instrumentation; 116import android.app.Notification; 117import android.app.NotificationManager; 118import android.app.PendingIntent; 119import android.app.backup.IBackupManager; 120import android.content.ActivityNotFoundException; 121import android.content.BroadcastReceiver; 122import android.content.ClipData; 123import android.content.ComponentCallbacks2; 124import android.content.ComponentName; 125import android.content.ContentProvider; 126import android.content.ContentResolver; 127import android.content.Context; 128import android.content.DialogInterface; 129import android.content.IContentProvider; 130import android.content.IIntentReceiver; 131import android.content.IIntentSender; 132import android.content.Intent; 133import android.content.IntentFilter; 134import android.content.IntentSender; 135import android.content.pm.ActivityInfo; 136import android.content.pm.ApplicationInfo; 137import android.content.pm.ConfigurationInfo; 138import android.content.pm.IPackageDataObserver; 139import android.content.pm.IPackageManager; 140import android.content.pm.InstrumentationInfo; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageManager; 143import android.content.pm.ParceledListSlice; 144import android.content.pm.UserInfo; 145import android.content.pm.PackageManager.NameNotFoundException; 146import android.content.pm.PathPermission; 147import android.content.pm.ProviderInfo; 148import android.content.pm.ResolveInfo; 149import android.content.pm.ServiceInfo; 150import android.content.res.CompatibilityInfo; 151import android.content.res.Configuration; 152import android.net.Proxy; 153import android.net.ProxyInfo; 154import android.net.Uri; 155import android.os.Binder; 156import android.os.Build; 157import android.os.Bundle; 158import android.os.Debug; 159import android.os.DropBoxManager; 160import android.os.Environment; 161import android.os.FactoryTest; 162import android.os.FileObserver; 163import android.os.FileUtils; 164import android.os.Handler; 165import android.os.IBinder; 166import android.os.IPermissionController; 167import android.os.IRemoteCallback; 168import android.os.IUserManager; 169import android.os.Looper; 170import android.os.Message; 171import android.os.Parcel; 172import android.os.ParcelFileDescriptor; 173import android.os.Process; 174import android.os.RemoteCallbackList; 175import android.os.RemoteException; 176import android.os.SELinux; 177import android.os.ServiceManager; 178import android.os.StrictMode; 179import android.os.SystemClock; 180import android.os.SystemProperties; 181import android.os.UpdateLock; 182import android.os.UserHandle; 183import android.os.UserManager; 184import android.provider.Settings; 185import android.text.format.DateUtils; 186import android.text.format.Time; 187import android.util.AtomicFile; 188import android.util.EventLog; 189import android.util.Log; 190import android.util.Pair; 191import android.util.PrintWriterPrinter; 192import android.util.Slog; 193import android.util.SparseArray; 194import android.util.TimeUtils; 195import android.util.Xml; 196import android.view.Gravity; 197import android.view.LayoutInflater; 198import android.view.View; 199import android.view.WindowManager; 200import dalvik.system.VMRuntime; 201 202import java.io.BufferedInputStream; 203import java.io.BufferedOutputStream; 204import java.io.DataInputStream; 205import java.io.DataOutputStream; 206import java.io.File; 207import java.io.FileDescriptor; 208import java.io.FileInputStream; 209import java.io.FileNotFoundException; 210import java.io.FileOutputStream; 211import java.io.IOException; 212import java.io.InputStreamReader; 213import java.io.PrintWriter; 214import java.io.StringWriter; 215import java.lang.ref.WeakReference; 216import java.util.ArrayList; 217import java.util.Arrays; 218import java.util.Collections; 219import java.util.Comparator; 220import java.util.HashMap; 221import java.util.HashSet; 222import java.util.Iterator; 223import java.util.List; 224import java.util.Locale; 225import java.util.Map; 226import java.util.Set; 227import java.util.concurrent.atomic.AtomicBoolean; 228import java.util.concurrent.atomic.AtomicLong; 229 230public final class ActivityManagerService extends ActivityManagerNative 231 implements Watchdog.Monitor, BatteryStatsImpl.BatteryCallback { 232 233 private static final String USER_DATA_DIR = "/data/user/"; 234 // File that stores last updated system version and called preboot receivers 235 static final String CALLED_PRE_BOOTS_FILENAME = "called_pre_boots.dat"; 236 237 static final String TAG = "ActivityManager"; 238 static final String TAG_MU = "ActivityManagerServiceMU"; 239 static final boolean DEBUG = false; 240 static final boolean localLOGV = DEBUG; 241 static final boolean DEBUG_BACKUP = localLOGV || false; 242 static final boolean DEBUG_BROADCAST = localLOGV || false; 243 static final boolean DEBUG_BROADCAST_LIGHT = DEBUG_BROADCAST || false; 244 static final boolean DEBUG_BACKGROUND_BROADCAST = DEBUG_BROADCAST || false; 245 static final boolean DEBUG_CLEANUP = localLOGV || false; 246 static final boolean DEBUG_CONFIGURATION = localLOGV || false; 247 static final boolean DEBUG_FOCUS = false; 248 static final boolean DEBUG_IMMERSIVE = localLOGV || false; 249 static final boolean DEBUG_MU = localLOGV || false; 250 static final boolean DEBUG_OOM_ADJ = localLOGV || false; 251 static final boolean DEBUG_LRU = localLOGV || false; 252 static final boolean DEBUG_PAUSE = localLOGV || false; 253 static final boolean DEBUG_POWER = localLOGV || false; 254 static final boolean DEBUG_POWER_QUICK = DEBUG_POWER || false; 255 static final boolean DEBUG_PROCESS_OBSERVERS = localLOGV || false; 256 static final boolean DEBUG_PROCESSES = localLOGV || false; 257 static final boolean DEBUG_PROVIDER = localLOGV || false; 258 static final boolean DEBUG_RESULTS = localLOGV || false; 259 static final boolean DEBUG_SERVICE = localLOGV || false; 260 static final boolean DEBUG_SERVICE_EXECUTING = localLOGV || false; 261 static final boolean DEBUG_STACK = localLOGV || false; 262 static final boolean DEBUG_SWITCH = localLOGV || false; 263 static final boolean DEBUG_TASKS = localLOGV || false; 264 static final boolean DEBUG_THUMBNAILS = localLOGV || false; 265 static final boolean DEBUG_TRANSITION = localLOGV || false; 266 static final boolean DEBUG_URI_PERMISSION = localLOGV || false; 267 static final boolean DEBUG_USER_LEAVING = localLOGV || false; 268 static final boolean DEBUG_VISBILITY = localLOGV || false; 269 static final boolean DEBUG_PSS = localLOGV || false; 270 static final boolean DEBUG_LOCKSCREEN = localLOGV || false; 271 static final boolean DEBUG_RECENTS = localLOGV || false; 272 static final boolean VALIDATE_TOKENS = false; 273 static final boolean SHOW_ACTIVITY_START_TIME = true; 274 275 // Control over CPU and battery monitoring. 276 static final long BATTERY_STATS_TIME = 30*60*1000; // write battery stats every 30 minutes. 277 static final boolean MONITOR_CPU_USAGE = true; 278 static final long MONITOR_CPU_MIN_TIME = 5*1000; // don't sample cpu less than every 5 seconds. 279 static final long MONITOR_CPU_MAX_TIME = 0x0fffffff; // wait possibly forever for next cpu sample. 280 static final boolean MONITOR_THREAD_CPU_USAGE = false; 281 282 // The flags that are set for all calls we make to the package manager. 283 static final int STOCK_PM_FLAGS = PackageManager.GET_SHARED_LIBRARY_FILES; 284 285 private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; 286 287 static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); 288 289 // Maximum number recent bitmaps to keep in memory. 290 static final int MAX_RECENT_BITMAPS = 5; 291 292 // Amount of time after a call to stopAppSwitches() during which we will 293 // prevent further untrusted switches from happening. 294 static final long APP_SWITCH_DELAY_TIME = 5*1000; 295 296 // How long we wait for a launched process to attach to the activity manager 297 // before we decide it's never going to come up for real. 298 static final int PROC_START_TIMEOUT = 10*1000; 299 300 // How long we wait for a launched process to attach to the activity manager 301 // before we decide it's never going to come up for real, when the process was 302 // started with a wrapper for instrumentation (such as Valgrind) because it 303 // could take much longer than usual. 304 static final int PROC_START_TIMEOUT_WITH_WRAPPER = 1200*1000; 305 306 // How long to wait after going idle before forcing apps to GC. 307 static final int GC_TIMEOUT = 5*1000; 308 309 // The minimum amount of time between successive GC requests for a process. 310 static final int GC_MIN_INTERVAL = 60*1000; 311 312 // The minimum amount of time between successive PSS requests for a process. 313 static final int FULL_PSS_MIN_INTERVAL = 10*60*1000; 314 315 // The minimum amount of time between successive PSS requests for a process 316 // when the request is due to the memory state being lowered. 317 static final int FULL_PSS_LOWERED_INTERVAL = 2*60*1000; 318 319 // The rate at which we check for apps using excessive power -- 15 mins. 320 static final int POWER_CHECK_DELAY = (DEBUG_POWER_QUICK ? 2 : 15) * 60*1000; 321 322 // The minimum sample duration we will allow before deciding we have 323 // enough data on wake locks to start killing things. 324 static final int WAKE_LOCK_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; 325 326 // The minimum sample duration we will allow before deciding we have 327 // enough data on CPU usage to start killing things. 328 static final int CPU_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; 329 330 // How long we allow a receiver to run before giving up on it. 331 static final int BROADCAST_FG_TIMEOUT = 10*1000; 332 static final int BROADCAST_BG_TIMEOUT = 60*1000; 333 334 // How long we wait until we timeout on key dispatching. 335 static final int KEY_DISPATCHING_TIMEOUT = 5*1000; 336 337 // How long we wait until we timeout on key dispatching during instrumentation. 338 static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000; 339 340 // Amount of time we wait for observers to handle a user switch before 341 // giving up on them and unfreezing the screen. 342 static final int USER_SWITCH_TIMEOUT = 2*1000; 343 344 // Maximum number of users we allow to be running at a time. 345 static final int MAX_RUNNING_USERS = 3; 346 347 // How long to wait in getAssistContextExtras for the activity and foreground services 348 // to respond with the result. 349 static final int PENDING_ASSIST_EXTRAS_TIMEOUT = 500; 350 351 // Maximum number of persisted Uri grants a package is allowed 352 static final int MAX_PERSISTED_URI_GRANTS = 128; 353 354 static final int MY_PID = Process.myPid(); 355 356 static final String[] EMPTY_STRING_ARRAY = new String[0]; 357 358 // How many bytes to write into the dropbox log before truncating 359 static final int DROPBOX_MAX_SIZE = 256 * 1024; 360 361 // Access modes for handleIncomingUser. 362 static final int ALLOW_NON_FULL = 0; 363 static final int ALLOW_NON_FULL_IN_PROFILE = 1; 364 static final int ALLOW_FULL_ONLY = 2; 365 366 static final int LAST_PREBOOT_DELIVERED_FILE_VERSION = 10000; 367 368 /** All system services */ 369 SystemServiceManager mSystemServiceManager; 370 371 /** Run all ActivityStacks through this */ 372 ActivityStackSupervisor mStackSupervisor; 373 374 public IntentFirewall mIntentFirewall; 375 376 // Whether we should show our dialogs (ANR, crash, etc) or just perform their 377 // default actuion automatically. Important for devices without direct input 378 // devices. 379 private boolean mShowDialogs = true; 380 381 BroadcastQueue mFgBroadcastQueue; 382 BroadcastQueue mBgBroadcastQueue; 383 // Convenient for easy iteration over the queues. Foreground is first 384 // so that dispatch of foreground broadcasts gets precedence. 385 final BroadcastQueue[] mBroadcastQueues = new BroadcastQueue[2]; 386 387 BroadcastQueue broadcastQueueForIntent(Intent intent) { 388 final boolean isFg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0; 389 if (DEBUG_BACKGROUND_BROADCAST) { 390 Slog.i(TAG, "Broadcast intent " + intent + " on " 391 + (isFg ? "foreground" : "background") 392 + " queue"); 393 } 394 return (isFg) ? mFgBroadcastQueue : mBgBroadcastQueue; 395 } 396 397 BroadcastRecord broadcastRecordForReceiverLocked(IBinder receiver) { 398 for (BroadcastQueue queue : mBroadcastQueues) { 399 BroadcastRecord r = queue.getMatchingOrderedReceiver(receiver); 400 if (r != null) { 401 return r; 402 } 403 } 404 return null; 405 } 406 407 /** 408 * Activity we have told the window manager to have key focus. 409 */ 410 ActivityRecord mFocusedActivity = null; 411 412 /** 413 * List of intents that were used to start the most recent tasks. 414 */ 415 ArrayList<TaskRecord> mRecentTasks; 416 ArrayList<TaskRecord> mTmpRecents = new ArrayList<TaskRecord>(); 417 418 /** 419 * For addAppTask: cached of the last activity component that was added. 420 */ 421 ComponentName mLastAddedTaskComponent; 422 423 /** 424 * For addAppTask: cached of the last activity uid that was added. 425 */ 426 int mLastAddedTaskUid; 427 428 /** 429 * For addAppTask: cached of the last ActivityInfo that was added. 430 */ 431 ActivityInfo mLastAddedTaskActivity; 432 433 public class PendingAssistExtras extends Binder implements Runnable { 434 public final ActivityRecord activity; 435 public boolean haveResult = false; 436 public Bundle result = null; 437 public PendingAssistExtras(ActivityRecord _activity) { 438 activity = _activity; 439 } 440 @Override 441 public void run() { 442 Slog.w(TAG, "getAssistContextExtras failed: timeout retrieving from " + activity); 443 synchronized (this) { 444 haveResult = true; 445 notifyAll(); 446 } 447 } 448 } 449 450 final ArrayList<PendingAssistExtras> mPendingAssistExtras 451 = new ArrayList<PendingAssistExtras>(); 452 453 /** 454 * Process management. 455 */ 456 final ProcessList mProcessList = new ProcessList(); 457 458 /** 459 * All of the applications we currently have running organized by name. 460 * The keys are strings of the application package name (as 461 * returned by the package manager), and the keys are ApplicationRecord 462 * objects. 463 */ 464 final ProcessMap<ProcessRecord> mProcessNames = new ProcessMap<ProcessRecord>(); 465 466 /** 467 * Tracking long-term execution of processes to look for abuse and other 468 * bad app behavior. 469 */ 470 final ProcessStatsService mProcessStats; 471 472 /** 473 * The currently running isolated processes. 474 */ 475 final SparseArray<ProcessRecord> mIsolatedProcesses = new SparseArray<ProcessRecord>(); 476 477 /** 478 * Counter for assigning isolated process uids, to avoid frequently reusing the 479 * same ones. 480 */ 481 int mNextIsolatedProcessUid = 0; 482 483 /** 484 * The currently running heavy-weight process, if any. 485 */ 486 ProcessRecord mHeavyWeightProcess = null; 487 488 /** 489 * The last time that various processes have crashed. 490 */ 491 final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<Long>(); 492 493 /** 494 * Information about a process that is currently marked as bad. 495 */ 496 static final class BadProcessInfo { 497 BadProcessInfo(long time, String shortMsg, String longMsg, String stack) { 498 this.time = time; 499 this.shortMsg = shortMsg; 500 this.longMsg = longMsg; 501 this.stack = stack; 502 } 503 504 final long time; 505 final String shortMsg; 506 final String longMsg; 507 final String stack; 508 } 509 510 /** 511 * Set of applications that we consider to be bad, and will reject 512 * incoming broadcasts from (which the user has no control over). 513 * Processes are added to this set when they have crashed twice within 514 * a minimum amount of time; they are removed from it when they are 515 * later restarted (hopefully due to some user action). The value is the 516 * time it was added to the list. 517 */ 518 final ProcessMap<BadProcessInfo> mBadProcesses = new ProcessMap<BadProcessInfo>(); 519 520 /** 521 * All of the processes we currently have running organized by pid. 522 * The keys are the pid running the application. 523 * 524 * <p>NOTE: This object is protected by its own lock, NOT the global 525 * activity manager lock! 526 */ 527 final SparseArray<ProcessRecord> mPidsSelfLocked = new SparseArray<ProcessRecord>(); 528 529 /** 530 * All of the processes that have been forced to be foreground. The key 531 * is the pid of the caller who requested it (we hold a death 532 * link on it). 533 */ 534 abstract class ForegroundToken implements IBinder.DeathRecipient { 535 int pid; 536 IBinder token; 537 } 538 final SparseArray<ForegroundToken> mForegroundProcesses = new SparseArray<ForegroundToken>(); 539 540 /** 541 * List of records for processes that someone had tried to start before the 542 * system was ready. We don't start them at that point, but ensure they 543 * are started by the time booting is complete. 544 */ 545 final ArrayList<ProcessRecord> mProcessesOnHold = new ArrayList<ProcessRecord>(); 546 547 /** 548 * List of persistent applications that are in the process 549 * of being started. 550 */ 551 final ArrayList<ProcessRecord> mPersistentStartingProcesses = new ArrayList<ProcessRecord>(); 552 553 /** 554 * Processes that are being forcibly torn down. 555 */ 556 final ArrayList<ProcessRecord> mRemovedProcesses = new ArrayList<ProcessRecord>(); 557 558 /** 559 * List of running applications, sorted by recent usage. 560 * The first entry in the list is the least recently used. 561 */ 562 final ArrayList<ProcessRecord> mLruProcesses = new ArrayList<ProcessRecord>(); 563 564 /** 565 * Where in mLruProcesses that the processes hosting activities start. 566 */ 567 int mLruProcessActivityStart = 0; 568 569 /** 570 * Where in mLruProcesses that the processes hosting services start. 571 * This is after (lower index) than mLruProcessesActivityStart. 572 */ 573 int mLruProcessServiceStart = 0; 574 575 /** 576 * List of processes that should gc as soon as things are idle. 577 */ 578 final ArrayList<ProcessRecord> mProcessesToGc = new ArrayList<ProcessRecord>(); 579 580 /** 581 * Processes we want to collect PSS data from. 582 */ 583 final ArrayList<ProcessRecord> mPendingPssProcesses = new ArrayList<ProcessRecord>(); 584 585 /** 586 * Last time we requested PSS data of all processes. 587 */ 588 long mLastFullPssTime = SystemClock.uptimeMillis(); 589 590 /** 591 * If set, the next time we collect PSS data we should do a full collection 592 * with data from native processes and the kernel. 593 */ 594 boolean mFullPssPending = false; 595 596 /** 597 * This is the process holding what we currently consider to be 598 * the "home" activity. 599 */ 600 ProcessRecord mHomeProcess; 601 602 /** 603 * This is the process holding the activity the user last visited that 604 * is in a different process from the one they are currently in. 605 */ 606 ProcessRecord mPreviousProcess; 607 608 /** 609 * The time at which the previous process was last visible. 610 */ 611 long mPreviousProcessVisibleTime; 612 613 /** 614 * Which uses have been started, so are allowed to run code. 615 */ 616 final SparseArray<UserStartedState> mStartedUsers = new SparseArray<UserStartedState>(); 617 618 /** 619 * LRU list of history of current users. Most recently current is at the end. 620 */ 621 final ArrayList<Integer> mUserLru = new ArrayList<Integer>(); 622 623 /** 624 * Constant array of the users that are currently started. 625 */ 626 int[] mStartedUserArray = new int[] { 0 }; 627 628 /** 629 * Registered observers of the user switching mechanics. 630 */ 631 final RemoteCallbackList<IUserSwitchObserver> mUserSwitchObservers 632 = new RemoteCallbackList<IUserSwitchObserver>(); 633 634 /** 635 * Currently active user switch. 636 */ 637 Object mCurUserSwitchCallback; 638 639 /** 640 * Packages that the user has asked to have run in screen size 641 * compatibility mode instead of filling the screen. 642 */ 643 final CompatModePackages mCompatModePackages; 644 645 /** 646 * Set of IntentSenderRecord objects that are currently active. 647 */ 648 final HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>> mIntentSenderRecords 649 = new HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>>(); 650 651 /** 652 * Fingerprints (hashCode()) of stack traces that we've 653 * already logged DropBox entries for. Guarded by itself. If 654 * something (rogue user app) forces this over 655 * MAX_DUP_SUPPRESSED_STACKS entries, the contents are cleared. 656 */ 657 private final HashSet<Integer> mAlreadyLoggedViolatedStacks = new HashSet<Integer>(); 658 private static final int MAX_DUP_SUPPRESSED_STACKS = 5000; 659 660 /** 661 * Strict Mode background batched logging state. 662 * 663 * The string buffer is guarded by itself, and its lock is also 664 * used to determine if another batched write is already 665 * in-flight. 666 */ 667 private final StringBuilder mStrictModeBuffer = new StringBuilder(); 668 669 /** 670 * Keeps track of all IIntentReceivers that have been registered for 671 * broadcasts. Hash keys are the receiver IBinder, hash value is 672 * a ReceiverList. 673 */ 674 final HashMap<IBinder, ReceiverList> mRegisteredReceivers = 675 new HashMap<IBinder, ReceiverList>(); 676 677 /** 678 * Resolver for broadcast intents to registered receivers. 679 * Holds BroadcastFilter (subclass of IntentFilter). 680 */ 681 final IntentResolver<BroadcastFilter, BroadcastFilter> mReceiverResolver 682 = new IntentResolver<BroadcastFilter, BroadcastFilter>() { 683 @Override 684 protected boolean allowFilterResult( 685 BroadcastFilter filter, List<BroadcastFilter> dest) { 686 IBinder target = filter.receiverList.receiver.asBinder(); 687 for (int i=dest.size()-1; i>=0; i--) { 688 if (dest.get(i).receiverList.receiver.asBinder() == target) { 689 return false; 690 } 691 } 692 return true; 693 } 694 695 @Override 696 protected BroadcastFilter newResult(BroadcastFilter filter, int match, int userId) { 697 if (userId == UserHandle.USER_ALL || filter.owningUserId == UserHandle.USER_ALL 698 || userId == filter.owningUserId) { 699 return super.newResult(filter, match, userId); 700 } 701 return null; 702 } 703 704 @Override 705 protected BroadcastFilter[] newArray(int size) { 706 return new BroadcastFilter[size]; 707 } 708 709 @Override 710 protected boolean isPackageForFilter(String packageName, BroadcastFilter filter) { 711 return packageName.equals(filter.packageName); 712 } 713 }; 714 715 /** 716 * State of all active sticky broadcasts per user. Keys are the action of the 717 * sticky Intent, values are an ArrayList of all broadcasted intents with 718 * that action (which should usually be one). The SparseArray is keyed 719 * by the user ID the sticky is for, and can include UserHandle.USER_ALL 720 * for stickies that are sent to all users. 721 */ 722 final SparseArray<ArrayMap<String, ArrayList<Intent>>> mStickyBroadcasts = 723 new SparseArray<ArrayMap<String, ArrayList<Intent>>>(); 724 725 final ActiveServices mServices; 726 727 /** 728 * Backup/restore process management 729 */ 730 String mBackupAppName = null; 731 BackupRecord mBackupTarget = null; 732 733 final ProviderMap mProviderMap; 734 735 /** 736 * List of content providers who have clients waiting for them. The 737 * application is currently being launched and the provider will be 738 * removed from this list once it is published. 739 */ 740 final ArrayList<ContentProviderRecord> mLaunchingProviders 741 = new ArrayList<ContentProviderRecord>(); 742 743 /** 744 * File storing persisted {@link #mGrantedUriPermissions}. 745 */ 746 private final AtomicFile mGrantFile; 747 748 /** XML constants used in {@link #mGrantFile} */ 749 private static final String TAG_URI_GRANTS = "uri-grants"; 750 private static final String TAG_URI_GRANT = "uri-grant"; 751 private static final String ATTR_USER_HANDLE = "userHandle"; 752 private static final String ATTR_SOURCE_USER_ID = "sourceUserId"; 753 private static final String ATTR_TARGET_USER_ID = "targetUserId"; 754 private static final String ATTR_SOURCE_PKG = "sourcePkg"; 755 private static final String ATTR_TARGET_PKG = "targetPkg"; 756 private static final String ATTR_URI = "uri"; 757 private static final String ATTR_MODE_FLAGS = "modeFlags"; 758 private static final String ATTR_CREATED_TIME = "createdTime"; 759 private static final String ATTR_PREFIX = "prefix"; 760 761 /** 762 * Global set of specific {@link Uri} permissions that have been granted. 763 * This optimized lookup structure maps from {@link UriPermission#targetUid} 764 * to {@link UriPermission#uri} to {@link UriPermission}. 765 */ 766 @GuardedBy("this") 767 private final SparseArray<ArrayMap<GrantUri, UriPermission>> 768 mGrantedUriPermissions = new SparseArray<ArrayMap<GrantUri, UriPermission>>(); 769 770 public static class GrantUri { 771 public final int sourceUserId; 772 public final Uri uri; 773 public boolean prefix; 774 775 public GrantUri(int sourceUserId, Uri uri, boolean prefix) { 776 this.sourceUserId = sourceUserId; 777 this.uri = uri; 778 this.prefix = prefix; 779 } 780 781 @Override 782 public int hashCode() { 783 return toString().hashCode(); 784 } 785 786 @Override 787 public boolean equals(Object o) { 788 if (o instanceof GrantUri) { 789 GrantUri other = (GrantUri) o; 790 return uri.equals(other.uri) && (sourceUserId == other.sourceUserId) 791 && prefix == other.prefix; 792 } 793 return false; 794 } 795 796 @Override 797 public String toString() { 798 String result = Integer.toString(sourceUserId) + " @ " + uri.toString(); 799 if (prefix) result += " [prefix]"; 800 return result; 801 } 802 803 public String toSafeString() { 804 String result = Integer.toString(sourceUserId) + " @ " + uri.toSafeString(); 805 if (prefix) result += " [prefix]"; 806 return result; 807 } 808 809 public static GrantUri resolve(int defaultSourceUserHandle, Uri uri) { 810 return new GrantUri(ContentProvider.getUserIdFromUri(uri, defaultSourceUserHandle), 811 ContentProvider.getUriWithoutUserId(uri), false); 812 } 813 } 814 815 CoreSettingsObserver mCoreSettingsObserver; 816 817 /** 818 * Thread-local storage used to carry caller permissions over through 819 * indirect content-provider access. 820 */ 821 private class Identity { 822 public int pid; 823 public int uid; 824 825 Identity(int _pid, int _uid) { 826 pid = _pid; 827 uid = _uid; 828 } 829 } 830 831 private static final ThreadLocal<Identity> sCallerIdentity = new ThreadLocal<Identity>(); 832 833 /** 834 * All information we have collected about the runtime performance of 835 * any user id that can impact battery performance. 836 */ 837 final BatteryStatsService mBatteryStatsService; 838 839 /** 840 * Information about component usage 841 */ 842 UsageStatsManagerInternal mUsageStatsService; 843 844 /** 845 * Information about and control over application operations 846 */ 847 final AppOpsService mAppOpsService; 848 849 /** 850 * Save recent tasks information across reboots. 851 */ 852 final TaskPersister mTaskPersister; 853 854 /** 855 * Current configuration information. HistoryRecord objects are given 856 * a reference to this object to indicate which configuration they are 857 * currently running in, so this object must be kept immutable. 858 */ 859 Configuration mConfiguration = new Configuration(); 860 861 /** 862 * Current sequencing integer of the configuration, for skipping old 863 * configurations. 864 */ 865 int mConfigurationSeq = 0; 866 867 /** 868 * Hardware-reported OpenGLES version. 869 */ 870 final int GL_ES_VERSION; 871 872 /** 873 * List of initialization arguments to pass to all processes when binding applications to them. 874 * For example, references to the commonly used services. 875 */ 876 HashMap<String, IBinder> mAppBindArgs; 877 878 /** 879 * Temporary to avoid allocations. Protected by main lock. 880 */ 881 final StringBuilder mStringBuilder = new StringBuilder(256); 882 883 /** 884 * Used to control how we initialize the service. 885 */ 886 ComponentName mTopComponent; 887 String mTopAction = Intent.ACTION_MAIN; 888 String mTopData; 889 boolean mProcessesReady = false; 890 boolean mSystemReady = false; 891 boolean mBooting = false; 892 boolean mCallFinishBooting = false; 893 boolean mBootAnimationComplete = false; 894 boolean mWaitingUpdate = false; 895 boolean mDidUpdate = false; 896 boolean mOnBattery = false; 897 boolean mLaunchWarningShown = false; 898 899 Context mContext; 900 901 int mFactoryTest; 902 903 boolean mCheckedForSetup; 904 905 /** 906 * The time at which we will allow normal application switches again, 907 * after a call to {@link #stopAppSwitches()}. 908 */ 909 long mAppSwitchesAllowedTime; 910 911 /** 912 * This is set to true after the first switch after mAppSwitchesAllowedTime 913 * is set; any switches after that will clear the time. 914 */ 915 boolean mDidAppSwitch; 916 917 /** 918 * Last time (in realtime) at which we checked for power usage. 919 */ 920 long mLastPowerCheckRealtime; 921 922 /** 923 * Last time (in uptime) at which we checked for power usage. 924 */ 925 long mLastPowerCheckUptime; 926 927 /** 928 * Set while we are wanting to sleep, to prevent any 929 * activities from being started/resumed. 930 */ 931 private boolean mSleeping = false; 932 933 /** 934 * Set while we are running a voice interaction. This overrides 935 * sleeping while it is active. 936 */ 937 private boolean mRunningVoice = false; 938 939 /** 940 * Set while the keyguard is waiting for an activity to draw. 941 * In this state, if we are sleeping, we allow Activities to launch 942 * so that they can draw before Keyguard dismisses itself. 943 */ 944 private boolean mKeyguardWaitingForDraw = false; 945 946 /** 947 * State of external calls telling us if the device is asleep. 948 */ 949 private boolean mWentToSleep = false; 950 951 /** 952 * State of external call telling us if the lock screen is shown. 953 */ 954 private boolean mLockScreenShown = false; 955 956 /** 957 * Set if we are shutting down the system, similar to sleeping. 958 */ 959 boolean mShuttingDown = false; 960 961 /** 962 * Current sequence id for oom_adj computation traversal. 963 */ 964 int mAdjSeq = 0; 965 966 /** 967 * Current sequence id for process LRU updating. 968 */ 969 int mLruSeq = 0; 970 971 /** 972 * Keep track of the non-cached/empty process we last found, to help 973 * determine how to distribute cached/empty processes next time. 974 */ 975 int mNumNonCachedProcs = 0; 976 977 /** 978 * Keep track of the number of cached hidden procs, to balance oom adj 979 * distribution between those and empty procs. 980 */ 981 int mNumCachedHiddenProcs = 0; 982 983 /** 984 * Keep track of the number of service processes we last found, to 985 * determine on the next iteration which should be B services. 986 */ 987 int mNumServiceProcs = 0; 988 int mNewNumAServiceProcs = 0; 989 int mNewNumServiceProcs = 0; 990 991 /** 992 * Allow the current computed overall memory level of the system to go down? 993 * This is set to false when we are killing processes for reasons other than 994 * memory management, so that the now smaller process list will not be taken as 995 * an indication that memory is tighter. 996 */ 997 boolean mAllowLowerMemLevel = false; 998 999 /** 1000 * The last computed memory level, for holding when we are in a state that 1001 * processes are going away for other reasons. 1002 */ 1003 int mLastMemoryLevel = ProcessStats.ADJ_MEM_FACTOR_NORMAL; 1004 1005 /** 1006 * The last total number of process we have, to determine if changes actually look 1007 * like a shrinking number of process due to lower RAM. 1008 */ 1009 int mLastNumProcesses; 1010 1011 /** 1012 * The uptime of the last time we performed idle maintenance. 1013 */ 1014 long mLastIdleTime = SystemClock.uptimeMillis(); 1015 1016 /** 1017 * Total time spent with RAM that has been added in the past since the last idle time. 1018 */ 1019 long mLowRamTimeSinceLastIdle = 0; 1020 1021 /** 1022 * If RAM is currently low, when that horrible situation started. 1023 */ 1024 long mLowRamStartTime = 0; 1025 1026 /** 1027 * For reporting to battery stats the current top application. 1028 */ 1029 private String mCurResumedPackage = null; 1030 private int mCurResumedUid = -1; 1031 1032 /** 1033 * For reporting to battery stats the apps currently running foreground 1034 * service. The ProcessMap is package/uid tuples; each of these contain 1035 * an array of the currently foreground processes. 1036 */ 1037 final ProcessMap<ArrayList<ProcessRecord>> mForegroundPackages 1038 = new ProcessMap<ArrayList<ProcessRecord>>(); 1039 1040 /** 1041 * This is set if we had to do a delayed dexopt of an app before launching 1042 * it, to increase the ANR timeouts in that case. 1043 */ 1044 boolean mDidDexOpt; 1045 1046 /** 1047 * Set if the systemServer made a call to enterSafeMode. 1048 */ 1049 boolean mSafeMode; 1050 1051 String mDebugApp = null; 1052 boolean mWaitForDebugger = false; 1053 boolean mDebugTransient = false; 1054 String mOrigDebugApp = null; 1055 boolean mOrigWaitForDebugger = false; 1056 boolean mAlwaysFinishActivities = false; 1057 IActivityController mController = null; 1058 String mProfileApp = null; 1059 ProcessRecord mProfileProc = null; 1060 String mProfileFile; 1061 ParcelFileDescriptor mProfileFd; 1062 int mSamplingInterval = 0; 1063 boolean mAutoStopProfiler = false; 1064 int mProfileType = 0; 1065 String mOpenGlTraceApp = null; 1066 1067 static class ProcessChangeItem { 1068 static final int CHANGE_ACTIVITIES = 1<<0; 1069 static final int CHANGE_PROCESS_STATE = 1<<1; 1070 int changes; 1071 int uid; 1072 int pid; 1073 int processState; 1074 boolean foregroundActivities; 1075 } 1076 1077 final RemoteCallbackList<IProcessObserver> mProcessObservers 1078 = new RemoteCallbackList<IProcessObserver>(); 1079 ProcessChangeItem[] mActiveProcessChanges = new ProcessChangeItem[5]; 1080 1081 final ArrayList<ProcessChangeItem> mPendingProcessChanges 1082 = new ArrayList<ProcessChangeItem>(); 1083 final ArrayList<ProcessChangeItem> mAvailProcessChanges 1084 = new ArrayList<ProcessChangeItem>(); 1085 1086 /** 1087 * Runtime CPU use collection thread. This object's lock is used to 1088 * perform synchronization with the thread (notifying it to run). 1089 */ 1090 final Thread mProcessCpuThread; 1091 1092 /** 1093 * Used to collect per-process CPU use for ANRs, battery stats, etc. 1094 * Must acquire this object's lock when accessing it. 1095 * NOTE: this lock will be held while doing long operations (trawling 1096 * through all processes in /proc), so it should never be acquired by 1097 * any critical paths such as when holding the main activity manager lock. 1098 */ 1099 final ProcessCpuTracker mProcessCpuTracker = new ProcessCpuTracker( 1100 MONITOR_THREAD_CPU_USAGE); 1101 final AtomicLong mLastCpuTime = new AtomicLong(0); 1102 final AtomicBoolean mProcessCpuMutexFree = new AtomicBoolean(true); 1103 1104 long mLastWriteTime = 0; 1105 1106 /** 1107 * Used to retain an update lock when the foreground activity is in 1108 * immersive mode. 1109 */ 1110 final UpdateLock mUpdateLock = new UpdateLock("immersive"); 1111 1112 /** 1113 * Set to true after the system has finished booting. 1114 */ 1115 boolean mBooted = false; 1116 1117 int mProcessLimit = ProcessList.MAX_CACHED_APPS; 1118 int mProcessLimitOverride = -1; 1119 1120 WindowManagerService mWindowManager; 1121 1122 final ActivityThread mSystemThread; 1123 1124 // Holds the current foreground user's id 1125 int mCurrentUserId = 0; 1126 // Holds the target user's id during a user switch 1127 int mTargetUserId = UserHandle.USER_NULL; 1128 // If there are multiple profiles for the current user, their ids are here 1129 // Currently only the primary user can have managed profiles 1130 int[] mCurrentProfileIds = new int[] {UserHandle.USER_OWNER}; // Accessed by ActivityStack 1131 1132 /** 1133 * Mapping from each known user ID to the profile group ID it is associated with. 1134 */ 1135 SparseIntArray mUserProfileGroupIdsSelfLocked = new SparseIntArray(); 1136 1137 private UserManagerService mUserManager; 1138 1139 private final class AppDeathRecipient implements IBinder.DeathRecipient { 1140 final ProcessRecord mApp; 1141 final int mPid; 1142 final IApplicationThread mAppThread; 1143 1144 AppDeathRecipient(ProcessRecord app, int pid, 1145 IApplicationThread thread) { 1146 if (localLOGV) Slog.v( 1147 TAG, "New death recipient " + this 1148 + " for thread " + thread.asBinder()); 1149 mApp = app; 1150 mPid = pid; 1151 mAppThread = thread; 1152 } 1153 1154 @Override 1155 public void binderDied() { 1156 if (localLOGV) Slog.v( 1157 TAG, "Death received in " + this 1158 + " for thread " + mAppThread.asBinder()); 1159 synchronized(ActivityManagerService.this) { 1160 appDiedLocked(mApp, mPid, mAppThread); 1161 } 1162 } 1163 } 1164 1165 static final int SHOW_ERROR_MSG = 1; 1166 static final int SHOW_NOT_RESPONDING_MSG = 2; 1167 static final int SHOW_FACTORY_ERROR_MSG = 3; 1168 static final int UPDATE_CONFIGURATION_MSG = 4; 1169 static final int GC_BACKGROUND_PROCESSES_MSG = 5; 1170 static final int WAIT_FOR_DEBUGGER_MSG = 6; 1171 static final int SERVICE_TIMEOUT_MSG = 12; 1172 static final int UPDATE_TIME_ZONE = 13; 1173 static final int SHOW_UID_ERROR_MSG = 14; 1174 static final int IM_FEELING_LUCKY_MSG = 15; 1175 static final int PROC_START_TIMEOUT_MSG = 20; 1176 static final int DO_PENDING_ACTIVITY_LAUNCHES_MSG = 21; 1177 static final int KILL_APPLICATION_MSG = 22; 1178 static final int FINALIZE_PENDING_INTENT_MSG = 23; 1179 static final int POST_HEAVY_NOTIFICATION_MSG = 24; 1180 static final int CANCEL_HEAVY_NOTIFICATION_MSG = 25; 1181 static final int SHOW_STRICT_MODE_VIOLATION_MSG = 26; 1182 static final int CHECK_EXCESSIVE_WAKE_LOCKS_MSG = 27; 1183 static final int CLEAR_DNS_CACHE_MSG = 28; 1184 static final int UPDATE_HTTP_PROXY_MSG = 29; 1185 static final int SHOW_COMPAT_MODE_DIALOG_MSG = 30; 1186 static final int DISPATCH_PROCESSES_CHANGED = 31; 1187 static final int DISPATCH_PROCESS_DIED = 32; 1188 static final int REPORT_MEM_USAGE_MSG = 33; 1189 static final int REPORT_USER_SWITCH_MSG = 34; 1190 static final int CONTINUE_USER_SWITCH_MSG = 35; 1191 static final int USER_SWITCH_TIMEOUT_MSG = 36; 1192 static final int IMMERSIVE_MODE_LOCK_MSG = 37; 1193 static final int PERSIST_URI_GRANTS_MSG = 38; 1194 static final int REQUEST_ALL_PSS_MSG = 39; 1195 static final int START_PROFILES_MSG = 40; 1196 static final int UPDATE_TIME = 41; 1197 static final int SYSTEM_USER_START_MSG = 42; 1198 static final int SYSTEM_USER_CURRENT_MSG = 43; 1199 static final int ENTER_ANIMATION_COMPLETE_MSG = 44; 1200 static final int ENABLE_SCREEN_AFTER_BOOT_MSG = 45; 1201 static final int START_USER_SWITCH_MSG = 46; 1202 1203 static final int FIRST_ACTIVITY_STACK_MSG = 100; 1204 static final int FIRST_BROADCAST_QUEUE_MSG = 200; 1205 static final int FIRST_COMPAT_MODE_MSG = 300; 1206 static final int FIRST_SUPERVISOR_STACK_MSG = 100; 1207 1208 AlertDialog mUidAlert; 1209 CompatModeDialog mCompatModeDialog; 1210 long mLastMemUsageReportTime = 0; 1211 1212 private LockToAppRequestDialog mLockToAppRequest; 1213 1214 /** 1215 * Flag whether the current user is a "monkey", i.e. whether 1216 * the UI is driven by a UI automation tool. 1217 */ 1218 private boolean mUserIsMonkey; 1219 1220 /** Flag whether the device has a Recents UI */ 1221 boolean mHasRecents; 1222 1223 /** The dimensions of the thumbnails in the Recents UI. */ 1224 int mThumbnailWidth; 1225 int mThumbnailHeight; 1226 1227 final ServiceThread mHandlerThread; 1228 final MainHandler mHandler; 1229 1230 final class MainHandler extends Handler { 1231 public MainHandler(Looper looper) { 1232 super(looper, null, true); 1233 } 1234 1235 @Override 1236 public void handleMessage(Message msg) { 1237 switch (msg.what) { 1238 case SHOW_ERROR_MSG: { 1239 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1240 boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), 1241 Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; 1242 synchronized (ActivityManagerService.this) { 1243 ProcessRecord proc = (ProcessRecord)data.get("app"); 1244 AppErrorResult res = (AppErrorResult) data.get("result"); 1245 if (proc != null && proc.crashDialog != null) { 1246 Slog.e(TAG, "App already has crash dialog: " + proc); 1247 if (res != null) { 1248 res.set(0); 1249 } 1250 return; 1251 } 1252 boolean isBackground = (UserHandle.getAppId(proc.uid) 1253 >= Process.FIRST_APPLICATION_UID 1254 && proc.pid != MY_PID); 1255 for (int userId : mCurrentProfileIds) { 1256 isBackground &= (proc.userId != userId); 1257 } 1258 if (isBackground && !showBackground) { 1259 Slog.w(TAG, "Skipping crash dialog of " + proc + ": background"); 1260 if (res != null) { 1261 res.set(0); 1262 } 1263 return; 1264 } 1265 if (mShowDialogs && !mSleeping && !mShuttingDown) { 1266 Dialog d = new AppErrorDialog(mContext, 1267 ActivityManagerService.this, res, proc); 1268 d.show(); 1269 proc.crashDialog = d; 1270 } else { 1271 // The device is asleep, so just pretend that the user 1272 // saw a crash dialog and hit "force quit". 1273 if (res != null) { 1274 res.set(0); 1275 } 1276 } 1277 } 1278 1279 ensureBootCompleted(); 1280 } break; 1281 case SHOW_NOT_RESPONDING_MSG: { 1282 synchronized (ActivityManagerService.this) { 1283 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1284 ProcessRecord proc = (ProcessRecord)data.get("app"); 1285 if (proc != null && proc.anrDialog != null) { 1286 Slog.e(TAG, "App already has anr dialog: " + proc); 1287 return; 1288 } 1289 1290 Intent intent = new Intent("android.intent.action.ANR"); 1291 if (!mProcessesReady) { 1292 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 1293 | Intent.FLAG_RECEIVER_FOREGROUND); 1294 } 1295 broadcastIntentLocked(null, null, intent, 1296 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 1297 false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */); 1298 1299 if (mShowDialogs) { 1300 Dialog d = new AppNotRespondingDialog(ActivityManagerService.this, 1301 mContext, proc, (ActivityRecord)data.get("activity"), 1302 msg.arg1 != 0); 1303 d.show(); 1304 proc.anrDialog = d; 1305 } else { 1306 // Just kill the app if there is no dialog to be shown. 1307 killAppAtUsersRequest(proc, null); 1308 } 1309 } 1310 1311 ensureBootCompleted(); 1312 } break; 1313 case SHOW_STRICT_MODE_VIOLATION_MSG: { 1314 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1315 synchronized (ActivityManagerService.this) { 1316 ProcessRecord proc = (ProcessRecord) data.get("app"); 1317 if (proc == null) { 1318 Slog.e(TAG, "App not found when showing strict mode dialog."); 1319 break; 1320 } 1321 if (proc.crashDialog != null) { 1322 Slog.e(TAG, "App already has strict mode dialog: " + proc); 1323 return; 1324 } 1325 AppErrorResult res = (AppErrorResult) data.get("result"); 1326 if (mShowDialogs && !mSleeping && !mShuttingDown) { 1327 Dialog d = new StrictModeViolationDialog(mContext, 1328 ActivityManagerService.this, res, proc); 1329 d.show(); 1330 proc.crashDialog = d; 1331 } else { 1332 // The device is asleep, so just pretend that the user 1333 // saw a crash dialog and hit "force quit". 1334 res.set(0); 1335 } 1336 } 1337 ensureBootCompleted(); 1338 } break; 1339 case SHOW_FACTORY_ERROR_MSG: { 1340 Dialog d = new FactoryErrorDialog( 1341 mContext, msg.getData().getCharSequence("msg")); 1342 d.show(); 1343 ensureBootCompleted(); 1344 } break; 1345 case UPDATE_CONFIGURATION_MSG: { 1346 final ContentResolver resolver = mContext.getContentResolver(); 1347 Settings.System.putConfiguration(resolver, (Configuration)msg.obj); 1348 } break; 1349 case GC_BACKGROUND_PROCESSES_MSG: { 1350 synchronized (ActivityManagerService.this) { 1351 performAppGcsIfAppropriateLocked(); 1352 } 1353 } break; 1354 case WAIT_FOR_DEBUGGER_MSG: { 1355 synchronized (ActivityManagerService.this) { 1356 ProcessRecord app = (ProcessRecord)msg.obj; 1357 if (msg.arg1 != 0) { 1358 if (!app.waitedForDebugger) { 1359 Dialog d = new AppWaitingForDebuggerDialog( 1360 ActivityManagerService.this, 1361 mContext, app); 1362 app.waitDialog = d; 1363 app.waitedForDebugger = true; 1364 d.show(); 1365 } 1366 } else { 1367 if (app.waitDialog != null) { 1368 app.waitDialog.dismiss(); 1369 app.waitDialog = null; 1370 } 1371 } 1372 } 1373 } break; 1374 case SERVICE_TIMEOUT_MSG: { 1375 if (mDidDexOpt) { 1376 mDidDexOpt = false; 1377 Message nmsg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); 1378 nmsg.obj = msg.obj; 1379 mHandler.sendMessageDelayed(nmsg, ActiveServices.SERVICE_TIMEOUT); 1380 return; 1381 } 1382 mServices.serviceTimeout((ProcessRecord)msg.obj); 1383 } break; 1384 case UPDATE_TIME_ZONE: { 1385 synchronized (ActivityManagerService.this) { 1386 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1387 ProcessRecord r = mLruProcesses.get(i); 1388 if (r.thread != null) { 1389 try { 1390 r.thread.updateTimeZone(); 1391 } catch (RemoteException ex) { 1392 Slog.w(TAG, "Failed to update time zone for: " + r.info.processName); 1393 } 1394 } 1395 } 1396 } 1397 } break; 1398 case CLEAR_DNS_CACHE_MSG: { 1399 synchronized (ActivityManagerService.this) { 1400 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1401 ProcessRecord r = mLruProcesses.get(i); 1402 if (r.thread != null) { 1403 try { 1404 r.thread.clearDnsCache(); 1405 } catch (RemoteException ex) { 1406 Slog.w(TAG, "Failed to clear dns cache for: " + r.info.processName); 1407 } 1408 } 1409 } 1410 } 1411 } break; 1412 case UPDATE_HTTP_PROXY_MSG: { 1413 ProxyInfo proxy = (ProxyInfo)msg.obj; 1414 String host = ""; 1415 String port = ""; 1416 String exclList = ""; 1417 Uri pacFileUrl = Uri.EMPTY; 1418 if (proxy != null) { 1419 host = proxy.getHost(); 1420 port = Integer.toString(proxy.getPort()); 1421 exclList = proxy.getExclusionListAsString(); 1422 pacFileUrl = proxy.getPacFileUrl(); 1423 } 1424 synchronized (ActivityManagerService.this) { 1425 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1426 ProcessRecord r = mLruProcesses.get(i); 1427 if (r.thread != null) { 1428 try { 1429 r.thread.setHttpProxy(host, port, exclList, pacFileUrl); 1430 } catch (RemoteException ex) { 1431 Slog.w(TAG, "Failed to update http proxy for: " + 1432 r.info.processName); 1433 } 1434 } 1435 } 1436 } 1437 } break; 1438 case SHOW_UID_ERROR_MSG: { 1439 String title = "System UIDs Inconsistent"; 1440 String text = "UIDs on the system are inconsistent, you need to wipe your" 1441 + " data partition or your device will be unstable."; 1442 Log.e(TAG, title + ": " + text); 1443 if (mShowDialogs) { 1444 // XXX This is a temporary dialog, no need to localize. 1445 AlertDialog d = new BaseErrorDialog(mContext); 1446 d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR); 1447 d.setCancelable(false); 1448 d.setTitle(title); 1449 d.setMessage(text); 1450 d.setButton(DialogInterface.BUTTON_POSITIVE, "I'm Feeling Lucky", 1451 mHandler.obtainMessage(IM_FEELING_LUCKY_MSG)); 1452 mUidAlert = d; 1453 d.show(); 1454 } 1455 } break; 1456 case IM_FEELING_LUCKY_MSG: { 1457 if (mUidAlert != null) { 1458 mUidAlert.dismiss(); 1459 mUidAlert = null; 1460 } 1461 } break; 1462 case PROC_START_TIMEOUT_MSG: { 1463 if (mDidDexOpt) { 1464 mDidDexOpt = false; 1465 Message nmsg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); 1466 nmsg.obj = msg.obj; 1467 mHandler.sendMessageDelayed(nmsg, PROC_START_TIMEOUT); 1468 return; 1469 } 1470 ProcessRecord app = (ProcessRecord)msg.obj; 1471 synchronized (ActivityManagerService.this) { 1472 processStartTimedOutLocked(app); 1473 } 1474 } break; 1475 case DO_PENDING_ACTIVITY_LAUNCHES_MSG: { 1476 synchronized (ActivityManagerService.this) { 1477 mStackSupervisor.doPendingActivityLaunchesLocked(true); 1478 } 1479 } break; 1480 case KILL_APPLICATION_MSG: { 1481 synchronized (ActivityManagerService.this) { 1482 int appid = msg.arg1; 1483 boolean restart = (msg.arg2 == 1); 1484 Bundle bundle = (Bundle)msg.obj; 1485 String pkg = bundle.getString("pkg"); 1486 String reason = bundle.getString("reason"); 1487 forceStopPackageLocked(pkg, appid, restart, false, true, false, 1488 false, UserHandle.USER_ALL, reason); 1489 } 1490 } break; 1491 case FINALIZE_PENDING_INTENT_MSG: { 1492 ((PendingIntentRecord)msg.obj).completeFinalize(); 1493 } break; 1494 case POST_HEAVY_NOTIFICATION_MSG: { 1495 INotificationManager inm = NotificationManager.getService(); 1496 if (inm == null) { 1497 return; 1498 } 1499 1500 ActivityRecord root = (ActivityRecord)msg.obj; 1501 ProcessRecord process = root.app; 1502 if (process == null) { 1503 return; 1504 } 1505 1506 try { 1507 Context context = mContext.createPackageContext(process.info.packageName, 0); 1508 String text = mContext.getString(R.string.heavy_weight_notification, 1509 context.getApplicationInfo().loadLabel(context.getPackageManager())); 1510 Notification notification = new Notification(); 1511 notification.icon = com.android.internal.R.drawable.stat_sys_adb; //context.getApplicationInfo().icon; 1512 notification.when = 0; 1513 notification.flags = Notification.FLAG_ONGOING_EVENT; 1514 notification.tickerText = text; 1515 notification.defaults = 0; // please be quiet 1516 notification.sound = null; 1517 notification.vibrate = null; 1518 notification.color = mContext.getResources().getColor( 1519 com.android.internal.R.color.system_notification_accent_color); 1520 notification.setLatestEventInfo(context, text, 1521 mContext.getText(R.string.heavy_weight_notification_detail), 1522 PendingIntent.getActivityAsUser(mContext, 0, root.intent, 1523 PendingIntent.FLAG_CANCEL_CURRENT, null, 1524 new UserHandle(root.userId))); 1525 1526 try { 1527 int[] outId = new int[1]; 1528 inm.enqueueNotificationWithTag("android", "android", null, 1529 R.string.heavy_weight_notification, 1530 notification, outId, root.userId); 1531 } catch (RuntimeException e) { 1532 Slog.w(ActivityManagerService.TAG, 1533 "Error showing notification for heavy-weight app", e); 1534 } catch (RemoteException e) { 1535 } 1536 } catch (NameNotFoundException e) { 1537 Slog.w(TAG, "Unable to create context for heavy notification", e); 1538 } 1539 } break; 1540 case CANCEL_HEAVY_NOTIFICATION_MSG: { 1541 INotificationManager inm = NotificationManager.getService(); 1542 if (inm == null) { 1543 return; 1544 } 1545 try { 1546 inm.cancelNotificationWithTag("android", null, 1547 R.string.heavy_weight_notification, msg.arg1); 1548 } catch (RuntimeException e) { 1549 Slog.w(ActivityManagerService.TAG, 1550 "Error canceling notification for service", e); 1551 } catch (RemoteException e) { 1552 } 1553 } break; 1554 case CHECK_EXCESSIVE_WAKE_LOCKS_MSG: { 1555 synchronized (ActivityManagerService.this) { 1556 checkExcessivePowerUsageLocked(true); 1557 removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 1558 Message nmsg = obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 1559 sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 1560 } 1561 } break; 1562 case SHOW_COMPAT_MODE_DIALOG_MSG: { 1563 synchronized (ActivityManagerService.this) { 1564 ActivityRecord ar = (ActivityRecord)msg.obj; 1565 if (mCompatModeDialog != null) { 1566 if (mCompatModeDialog.mAppInfo.packageName.equals( 1567 ar.info.applicationInfo.packageName)) { 1568 return; 1569 } 1570 mCompatModeDialog.dismiss(); 1571 mCompatModeDialog = null; 1572 } 1573 if (ar != null && false) { 1574 if (mCompatModePackages.getPackageAskCompatModeLocked( 1575 ar.packageName)) { 1576 int mode = mCompatModePackages.computeCompatModeLocked( 1577 ar.info.applicationInfo); 1578 if (mode == ActivityManager.COMPAT_MODE_DISABLED 1579 || mode == ActivityManager.COMPAT_MODE_ENABLED) { 1580 mCompatModeDialog = new CompatModeDialog( 1581 ActivityManagerService.this, mContext, 1582 ar.info.applicationInfo); 1583 mCompatModeDialog.show(); 1584 } 1585 } 1586 } 1587 } 1588 break; 1589 } 1590 case DISPATCH_PROCESSES_CHANGED: { 1591 dispatchProcessesChanged(); 1592 break; 1593 } 1594 case DISPATCH_PROCESS_DIED: { 1595 final int pid = msg.arg1; 1596 final int uid = msg.arg2; 1597 dispatchProcessDied(pid, uid); 1598 break; 1599 } 1600 case REPORT_MEM_USAGE_MSG: { 1601 final ArrayList<ProcessMemInfo> memInfos = (ArrayList<ProcessMemInfo>)msg.obj; 1602 Thread thread = new Thread() { 1603 @Override public void run() { 1604 final SparseArray<ProcessMemInfo> infoMap 1605 = new SparseArray<ProcessMemInfo>(memInfos.size()); 1606 for (int i=0, N=memInfos.size(); i<N; i++) { 1607 ProcessMemInfo mi = memInfos.get(i); 1608 infoMap.put(mi.pid, mi); 1609 } 1610 updateCpuStatsNow(); 1611 synchronized (mProcessCpuTracker) { 1612 final int N = mProcessCpuTracker.countStats(); 1613 for (int i=0; i<N; i++) { 1614 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 1615 if (st.vsize > 0) { 1616 long pss = Debug.getPss(st.pid, null); 1617 if (pss > 0) { 1618 if (infoMap.indexOfKey(st.pid) < 0) { 1619 ProcessMemInfo mi = new ProcessMemInfo(st.name, st.pid, 1620 ProcessList.NATIVE_ADJ, -1, "native", null); 1621 mi.pss = pss; 1622 memInfos.add(mi); 1623 } 1624 } 1625 } 1626 } 1627 } 1628 1629 long totalPss = 0; 1630 for (int i=0, N=memInfos.size(); i<N; i++) { 1631 ProcessMemInfo mi = memInfos.get(i); 1632 if (mi.pss == 0) { 1633 mi.pss = Debug.getPss(mi.pid, null); 1634 } 1635 totalPss += mi.pss; 1636 } 1637 Collections.sort(memInfos, new Comparator<ProcessMemInfo>() { 1638 @Override public int compare(ProcessMemInfo lhs, ProcessMemInfo rhs) { 1639 if (lhs.oomAdj != rhs.oomAdj) { 1640 return lhs.oomAdj < rhs.oomAdj ? -1 : 1; 1641 } 1642 if (lhs.pss != rhs.pss) { 1643 return lhs.pss < rhs.pss ? 1 : -1; 1644 } 1645 return 0; 1646 } 1647 }); 1648 1649 StringBuilder tag = new StringBuilder(128); 1650 StringBuilder stack = new StringBuilder(128); 1651 tag.append("Low on memory -- "); 1652 appendMemBucket(tag, totalPss, "total", false); 1653 appendMemBucket(stack, totalPss, "total", true); 1654 1655 StringBuilder logBuilder = new StringBuilder(1024); 1656 logBuilder.append("Low on memory:\n"); 1657 1658 boolean firstLine = true; 1659 int lastOomAdj = Integer.MIN_VALUE; 1660 for (int i=0, N=memInfos.size(); i<N; i++) { 1661 ProcessMemInfo mi = memInfos.get(i); 1662 1663 if (mi.oomAdj != ProcessList.NATIVE_ADJ 1664 && (mi.oomAdj < ProcessList.SERVICE_ADJ 1665 || mi.oomAdj == ProcessList.HOME_APP_ADJ 1666 || mi.oomAdj == ProcessList.PREVIOUS_APP_ADJ)) { 1667 if (lastOomAdj != mi.oomAdj) { 1668 lastOomAdj = mi.oomAdj; 1669 if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) { 1670 tag.append(" / "); 1671 } 1672 if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ) { 1673 if (firstLine) { 1674 stack.append(":"); 1675 firstLine = false; 1676 } 1677 stack.append("\n\t at "); 1678 } else { 1679 stack.append("$"); 1680 } 1681 } else { 1682 tag.append(" "); 1683 stack.append("$"); 1684 } 1685 if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) { 1686 appendMemBucket(tag, mi.pss, mi.name, false); 1687 } 1688 appendMemBucket(stack, mi.pss, mi.name, true); 1689 if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ 1690 && ((i+1) >= N || memInfos.get(i+1).oomAdj != lastOomAdj)) { 1691 stack.append("("); 1692 for (int k=0; k<DUMP_MEM_OOM_ADJ.length; k++) { 1693 if (DUMP_MEM_OOM_ADJ[k] == mi.oomAdj) { 1694 stack.append(DUMP_MEM_OOM_LABEL[k]); 1695 stack.append(":"); 1696 stack.append(DUMP_MEM_OOM_ADJ[k]); 1697 } 1698 } 1699 stack.append(")"); 1700 } 1701 } 1702 1703 logBuilder.append(" "); 1704 logBuilder.append(ProcessList.makeOomAdjString(mi.oomAdj)); 1705 logBuilder.append(' '); 1706 logBuilder.append(ProcessList.makeProcStateString(mi.procState)); 1707 logBuilder.append(' '); 1708 ProcessList.appendRamKb(logBuilder, mi.pss); 1709 logBuilder.append(" kB: "); 1710 logBuilder.append(mi.name); 1711 logBuilder.append(" ("); 1712 logBuilder.append(mi.pid); 1713 logBuilder.append(") "); 1714 logBuilder.append(mi.adjType); 1715 logBuilder.append('\n'); 1716 if (mi.adjReason != null) { 1717 logBuilder.append(" "); 1718 logBuilder.append(mi.adjReason); 1719 logBuilder.append('\n'); 1720 } 1721 } 1722 1723 logBuilder.append(" "); 1724 ProcessList.appendRamKb(logBuilder, totalPss); 1725 logBuilder.append(" kB: TOTAL\n"); 1726 1727 long[] infos = new long[Debug.MEMINFO_COUNT]; 1728 Debug.getMemInfo(infos); 1729 logBuilder.append(" MemInfo: "); 1730 logBuilder.append(infos[Debug.MEMINFO_SLAB]).append(" kB slab, "); 1731 logBuilder.append(infos[Debug.MEMINFO_SHMEM]).append(" kB shmem, "); 1732 logBuilder.append(infos[Debug.MEMINFO_BUFFERS]).append(" kB buffers, "); 1733 logBuilder.append(infos[Debug.MEMINFO_CACHED]).append(" kB cached, "); 1734 logBuilder.append(infos[Debug.MEMINFO_FREE]).append(" kB free\n"); 1735 if (infos[Debug.MEMINFO_ZRAM_TOTAL] != 0) { 1736 logBuilder.append(" ZRAM: "); 1737 logBuilder.append(infos[Debug.MEMINFO_ZRAM_TOTAL]); 1738 logBuilder.append(" kB RAM, "); 1739 logBuilder.append(infos[Debug.MEMINFO_SWAP_TOTAL]); 1740 logBuilder.append(" kB swap total, "); 1741 logBuilder.append(infos[Debug.MEMINFO_SWAP_FREE]); 1742 logBuilder.append(" kB swap free\n"); 1743 } 1744 Slog.i(TAG, logBuilder.toString()); 1745 1746 StringBuilder dropBuilder = new StringBuilder(1024); 1747 /* 1748 StringWriter oomSw = new StringWriter(); 1749 PrintWriter oomPw = new FastPrintWriter(oomSw, false, 256); 1750 StringWriter catSw = new StringWriter(); 1751 PrintWriter catPw = new FastPrintWriter(catSw, false, 256); 1752 String[] emptyArgs = new String[] { }; 1753 dumpApplicationMemoryUsage(null, oomPw, " ", emptyArgs, true, catPw); 1754 oomPw.flush(); 1755 String oomString = oomSw.toString(); 1756 */ 1757 dropBuilder.append(stack); 1758 dropBuilder.append('\n'); 1759 dropBuilder.append('\n'); 1760 dropBuilder.append(logBuilder); 1761 dropBuilder.append('\n'); 1762 /* 1763 dropBuilder.append(oomString); 1764 dropBuilder.append('\n'); 1765 */ 1766 StringWriter catSw = new StringWriter(); 1767 synchronized (ActivityManagerService.this) { 1768 PrintWriter catPw = new FastPrintWriter(catSw, false, 256); 1769 String[] emptyArgs = new String[] { }; 1770 catPw.println(); 1771 dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null); 1772 catPw.println(); 1773 mServices.dumpServicesLocked(null, catPw, emptyArgs, 0, 1774 false, false, null); 1775 catPw.println(); 1776 dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null); 1777 catPw.flush(); 1778 } 1779 dropBuilder.append(catSw.toString()); 1780 addErrorToDropBox("lowmem", null, "system_server", null, 1781 null, tag.toString(), dropBuilder.toString(), null, null); 1782 //Slog.i(TAG, "Sent to dropbox:"); 1783 //Slog.i(TAG, dropBuilder.toString()); 1784 synchronized (ActivityManagerService.this) { 1785 long now = SystemClock.uptimeMillis(); 1786 if (mLastMemUsageReportTime < now) { 1787 mLastMemUsageReportTime = now; 1788 } 1789 } 1790 } 1791 }; 1792 thread.start(); 1793 break; 1794 } 1795 case START_USER_SWITCH_MSG: { 1796 showUserSwitchDialog(msg.arg1, (String) msg.obj); 1797 break; 1798 } 1799 case REPORT_USER_SWITCH_MSG: { 1800 dispatchUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1801 break; 1802 } 1803 case CONTINUE_USER_SWITCH_MSG: { 1804 continueUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1805 break; 1806 } 1807 case USER_SWITCH_TIMEOUT_MSG: { 1808 timeoutUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1809 break; 1810 } 1811 case IMMERSIVE_MODE_LOCK_MSG: { 1812 final boolean nextState = (msg.arg1 != 0); 1813 if (mUpdateLock.isHeld() != nextState) { 1814 if (DEBUG_IMMERSIVE) { 1815 final ActivityRecord r = (ActivityRecord) msg.obj; 1816 Slog.d(TAG, "Applying new update lock state '" + nextState + "' for " + r); 1817 } 1818 if (nextState) { 1819 mUpdateLock.acquire(); 1820 } else { 1821 mUpdateLock.release(); 1822 } 1823 } 1824 break; 1825 } 1826 case PERSIST_URI_GRANTS_MSG: { 1827 writeGrantedUriPermissions(); 1828 break; 1829 } 1830 case REQUEST_ALL_PSS_MSG: { 1831 requestPssAllProcsLocked(SystemClock.uptimeMillis(), true, false); 1832 break; 1833 } 1834 case START_PROFILES_MSG: { 1835 synchronized (ActivityManagerService.this) { 1836 startProfilesLocked(); 1837 } 1838 break; 1839 } 1840 case UPDATE_TIME: { 1841 synchronized (ActivityManagerService.this) { 1842 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1843 ProcessRecord r = mLruProcesses.get(i); 1844 if (r.thread != null) { 1845 try { 1846 r.thread.updateTimePrefs(msg.arg1 == 0 ? false : true); 1847 } catch (RemoteException ex) { 1848 Slog.w(TAG, "Failed to update preferences for: " + r.info.processName); 1849 } 1850 } 1851 } 1852 } 1853 break; 1854 } 1855 case SYSTEM_USER_START_MSG: { 1856 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START, 1857 Integer.toString(msg.arg1), msg.arg1); 1858 mSystemServiceManager.startUser(msg.arg1); 1859 break; 1860 } 1861 case SYSTEM_USER_CURRENT_MSG: { 1862 mBatteryStatsService.noteEvent( 1863 BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_FINISH, 1864 Integer.toString(msg.arg2), msg.arg2); 1865 mBatteryStatsService.noteEvent( 1866 BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START, 1867 Integer.toString(msg.arg1), msg.arg1); 1868 mSystemServiceManager.switchUser(msg.arg1); 1869 mLockToAppRequest.clearPrompt(); 1870 break; 1871 } 1872 case ENTER_ANIMATION_COMPLETE_MSG: { 1873 synchronized (ActivityManagerService.this) { 1874 ActivityRecord r = ActivityRecord.forToken((IBinder) msg.obj); 1875 if (r != null && r.app != null && r.app.thread != null) { 1876 try { 1877 r.app.thread.scheduleEnterAnimationComplete(r.appToken); 1878 } catch (RemoteException e) { 1879 } 1880 } 1881 } 1882 break; 1883 } 1884 case ENABLE_SCREEN_AFTER_BOOT_MSG: { 1885 enableScreenAfterBoot(); 1886 break; 1887 } 1888 } 1889 } 1890 }; 1891 1892 static final int COLLECT_PSS_BG_MSG = 1; 1893 1894 final Handler mBgHandler = new Handler(BackgroundThread.getHandler().getLooper()) { 1895 @Override 1896 public void handleMessage(Message msg) { 1897 switch (msg.what) { 1898 case COLLECT_PSS_BG_MSG: { 1899 long start = SystemClock.uptimeMillis(); 1900 MemInfoReader memInfo = null; 1901 synchronized (ActivityManagerService.this) { 1902 if (mFullPssPending) { 1903 mFullPssPending = false; 1904 memInfo = new MemInfoReader(); 1905 } 1906 } 1907 if (memInfo != null) { 1908 updateCpuStatsNow(); 1909 long nativeTotalPss = 0; 1910 synchronized (mProcessCpuTracker) { 1911 final int N = mProcessCpuTracker.countStats(); 1912 for (int j=0; j<N; j++) { 1913 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(j); 1914 if (st.vsize <= 0 || st.uid >= Process.FIRST_APPLICATION_UID) { 1915 // This is definitely an application process; skip it. 1916 continue; 1917 } 1918 synchronized (mPidsSelfLocked) { 1919 if (mPidsSelfLocked.indexOfKey(st.pid) >= 0) { 1920 // This is one of our own processes; skip it. 1921 continue; 1922 } 1923 } 1924 nativeTotalPss += Debug.getPss(st.pid, null); 1925 } 1926 } 1927 memInfo.readMemInfo(); 1928 synchronized (ActivityManagerService.this) { 1929 if (DEBUG_PSS) Slog.d(TAG, "Collected native and kernel memory in " 1930 + (SystemClock.uptimeMillis()-start) + "ms"); 1931 mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(), 1932 memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(), 1933 memInfo.getBuffersSizeKb()+memInfo.getShmemSizeKb() 1934 +memInfo.getSlabSizeKb(), 1935 nativeTotalPss); 1936 } 1937 } 1938 1939 int i=0, num=0; 1940 long[] tmp = new long[1]; 1941 do { 1942 ProcessRecord proc; 1943 int procState; 1944 int pid; 1945 synchronized (ActivityManagerService.this) { 1946 if (i >= mPendingPssProcesses.size()) { 1947 if (DEBUG_PSS) Slog.d(TAG, "Collected PSS of " + num + " of " + i 1948 + " processes in " + (SystemClock.uptimeMillis()-start) + "ms"); 1949 mPendingPssProcesses.clear(); 1950 return; 1951 } 1952 proc = mPendingPssProcesses.get(i); 1953 procState = proc.pssProcState; 1954 if (proc.thread != null && procState == proc.setProcState) { 1955 pid = proc.pid; 1956 } else { 1957 proc = null; 1958 pid = 0; 1959 } 1960 i++; 1961 } 1962 if (proc != null) { 1963 long pss = Debug.getPss(pid, tmp); 1964 synchronized (ActivityManagerService.this) { 1965 if (proc.thread != null && proc.setProcState == procState 1966 && proc.pid == pid) { 1967 num++; 1968 proc.lastPssTime = SystemClock.uptimeMillis(); 1969 proc.baseProcessTracker.addPss(pss, tmp[0], true, proc.pkgList); 1970 if (DEBUG_PSS) Slog.d(TAG, "PSS of " + proc.toShortString() 1971 + ": " + pss + " lastPss=" + proc.lastPss 1972 + " state=" + ProcessList.makeProcStateString(procState)); 1973 if (proc.initialIdlePss == 0) { 1974 proc.initialIdlePss = pss; 1975 } 1976 proc.lastPss = pss; 1977 if (procState >= ActivityManager.PROCESS_STATE_HOME) { 1978 proc.lastCachedPss = pss; 1979 } 1980 } 1981 } 1982 } 1983 } while (true); 1984 } 1985 } 1986 } 1987 }; 1988 1989 /** 1990 * Monitor for package changes and update our internal state. 1991 */ 1992 private final PackageMonitor mPackageMonitor = new PackageMonitor() { 1993 @Override 1994 public void onPackageRemoved(String packageName, int uid) { 1995 // Remove all tasks with activities in the specified package from the list of recent tasks 1996 synchronized (ActivityManagerService.this) { 1997 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 1998 TaskRecord tr = mRecentTasks.get(i); 1999 ComponentName cn = tr.intent.getComponent(); 2000 if (cn != null && cn.getPackageName().equals(packageName)) { 2001 // If the package name matches, remove the task and kill the process 2002 removeTaskByIdLocked(tr.taskId, ActivityManager.REMOVE_TASK_KILL_PROCESS); 2003 } 2004 } 2005 } 2006 } 2007 2008 @Override 2009 public boolean onPackageChanged(String packageName, int uid, String[] components) { 2010 onPackageModified(packageName); 2011 return true; 2012 } 2013 2014 @Override 2015 public void onPackageModified(String packageName) { 2016 final PackageManager pm = mContext.getPackageManager(); 2017 final ArrayList<Pair<Intent, Integer>> recentTaskIntents = 2018 new ArrayList<Pair<Intent, Integer>>(); 2019 final ArrayList<Integer> tasksToRemove = new ArrayList<Integer>(); 2020 // Copy the list of recent tasks so that we don't hold onto the lock on 2021 // ActivityManagerService for long periods while checking if components exist. 2022 synchronized (ActivityManagerService.this) { 2023 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 2024 TaskRecord tr = mRecentTasks.get(i); 2025 recentTaskIntents.add(new Pair<Intent, Integer>(tr.intent, tr.taskId)); 2026 } 2027 } 2028 // Check the recent tasks and filter out all tasks with components that no longer exist. 2029 Intent tmpI = new Intent(); 2030 for (int i = recentTaskIntents.size() - 1; i >= 0; i--) { 2031 Pair<Intent, Integer> p = recentTaskIntents.get(i); 2032 ComponentName cn = p.first.getComponent(); 2033 if (cn != null && cn.getPackageName().equals(packageName)) { 2034 try { 2035 // Add the task to the list to remove if the component no longer exists 2036 tmpI.setComponent(cn); 2037 if (pm.queryIntentActivities(tmpI, PackageManager.MATCH_DEFAULT_ONLY).isEmpty()) { 2038 tasksToRemove.add(p.second); 2039 } 2040 } catch (Exception e) {} 2041 } 2042 } 2043 // Prune all the tasks with removed components from the list of recent tasks 2044 synchronized (ActivityManagerService.this) { 2045 for (int i = tasksToRemove.size() - 1; i >= 0; i--) { 2046 // Remove the task but don't kill the process (since other components in that 2047 // package may still be running and in the background) 2048 removeTaskByIdLocked(tasksToRemove.get(i), 0); 2049 } 2050 } 2051 } 2052 2053 @Override 2054 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 2055 // Force stop the specified packages 2056 if (packages != null) { 2057 for (String pkg : packages) { 2058 synchronized (ActivityManagerService.this) { 2059 if (forceStopPackageLocked(pkg, -1, false, false, false, false, false, 0, 2060 "finished booting")) { 2061 return true; 2062 } 2063 } 2064 } 2065 } 2066 return false; 2067 } 2068 }; 2069 2070 public void setSystemProcess() { 2071 try { 2072 ServiceManager.addService(Context.ACTIVITY_SERVICE, this, true); 2073 ServiceManager.addService(ProcessStats.SERVICE_NAME, mProcessStats); 2074 ServiceManager.addService("meminfo", new MemBinder(this)); 2075 ServiceManager.addService("gfxinfo", new GraphicsBinder(this)); 2076 ServiceManager.addService("dbinfo", new DbBinder(this)); 2077 if (MONITOR_CPU_USAGE) { 2078 ServiceManager.addService("cpuinfo", new CpuBinder(this)); 2079 } 2080 ServiceManager.addService("permission", new PermissionController(this)); 2081 2082 ApplicationInfo info = mContext.getPackageManager().getApplicationInfo( 2083 "android", STOCK_PM_FLAGS); 2084 mSystemThread.installSystemApplicationInfo(info, getClass().getClassLoader()); 2085 2086 synchronized (this) { 2087 ProcessRecord app = newProcessRecordLocked(info, info.processName, false, 0); 2088 app.persistent = true; 2089 app.pid = MY_PID; 2090 app.maxAdj = ProcessList.SYSTEM_ADJ; 2091 app.makeActive(mSystemThread.getApplicationThread(), mProcessStats); 2092 mProcessNames.put(app.processName, app.uid, app); 2093 synchronized (mPidsSelfLocked) { 2094 mPidsSelfLocked.put(app.pid, app); 2095 } 2096 updateLruProcessLocked(app, false, null); 2097 updateOomAdjLocked(); 2098 } 2099 } catch (PackageManager.NameNotFoundException e) { 2100 throw new RuntimeException( 2101 "Unable to find android system package", e); 2102 } 2103 } 2104 2105 public void setWindowManager(WindowManagerService wm) { 2106 mWindowManager = wm; 2107 mStackSupervisor.setWindowManager(wm); 2108 } 2109 2110 public void setUsageStatsManager(UsageStatsManagerInternal usageStatsManager) { 2111 mUsageStatsService = usageStatsManager; 2112 } 2113 2114 public void startObservingNativeCrashes() { 2115 final NativeCrashListener ncl = new NativeCrashListener(this); 2116 ncl.start(); 2117 } 2118 2119 public IAppOpsService getAppOpsService() { 2120 return mAppOpsService; 2121 } 2122 2123 static class MemBinder extends Binder { 2124 ActivityManagerService mActivityManagerService; 2125 MemBinder(ActivityManagerService activityManagerService) { 2126 mActivityManagerService = activityManagerService; 2127 } 2128 2129 @Override 2130 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2131 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2132 != PackageManager.PERMISSION_GRANTED) { 2133 pw.println("Permission Denial: can't dump meminfo from from pid=" 2134 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2135 + " without permission " + android.Manifest.permission.DUMP); 2136 return; 2137 } 2138 2139 mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args, false, null); 2140 } 2141 } 2142 2143 static class GraphicsBinder extends Binder { 2144 ActivityManagerService mActivityManagerService; 2145 GraphicsBinder(ActivityManagerService activityManagerService) { 2146 mActivityManagerService = activityManagerService; 2147 } 2148 2149 @Override 2150 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2151 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2152 != PackageManager.PERMISSION_GRANTED) { 2153 pw.println("Permission Denial: can't dump gfxinfo from from pid=" 2154 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2155 + " without permission " + android.Manifest.permission.DUMP); 2156 return; 2157 } 2158 2159 mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args); 2160 } 2161 } 2162 2163 static class DbBinder extends Binder { 2164 ActivityManagerService mActivityManagerService; 2165 DbBinder(ActivityManagerService activityManagerService) { 2166 mActivityManagerService = activityManagerService; 2167 } 2168 2169 @Override 2170 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2171 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2172 != PackageManager.PERMISSION_GRANTED) { 2173 pw.println("Permission Denial: can't dump dbinfo from from pid=" 2174 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2175 + " without permission " + android.Manifest.permission.DUMP); 2176 return; 2177 } 2178 2179 mActivityManagerService.dumpDbInfo(fd, pw, args); 2180 } 2181 } 2182 2183 static class CpuBinder extends Binder { 2184 ActivityManagerService mActivityManagerService; 2185 CpuBinder(ActivityManagerService activityManagerService) { 2186 mActivityManagerService = activityManagerService; 2187 } 2188 2189 @Override 2190 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2191 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2192 != PackageManager.PERMISSION_GRANTED) { 2193 pw.println("Permission Denial: can't dump cpuinfo from from pid=" 2194 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2195 + " without permission " + android.Manifest.permission.DUMP); 2196 return; 2197 } 2198 2199 synchronized (mActivityManagerService.mProcessCpuTracker) { 2200 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentLoad()); 2201 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentState( 2202 SystemClock.uptimeMillis())); 2203 } 2204 } 2205 } 2206 2207 public static final class Lifecycle extends SystemService { 2208 private final ActivityManagerService mService; 2209 2210 public Lifecycle(Context context) { 2211 super(context); 2212 mService = new ActivityManagerService(context); 2213 } 2214 2215 @Override 2216 public void onStart() { 2217 mService.start(); 2218 } 2219 2220 public ActivityManagerService getService() { 2221 return mService; 2222 } 2223 } 2224 2225 // Note: This method is invoked on the main thread but may need to attach various 2226 // handlers to other threads. So take care to be explicit about the looper. 2227 public ActivityManagerService(Context systemContext) { 2228 mContext = systemContext; 2229 mFactoryTest = FactoryTest.getMode(); 2230 mSystemThread = ActivityThread.currentActivityThread(); 2231 2232 Slog.i(TAG, "Memory class: " + ActivityManager.staticGetMemoryClass()); 2233 2234 mHandlerThread = new ServiceThread(TAG, 2235 android.os.Process.THREAD_PRIORITY_FOREGROUND, false /*allowIo*/); 2236 mHandlerThread.start(); 2237 mHandler = new MainHandler(mHandlerThread.getLooper()); 2238 2239 mFgBroadcastQueue = new BroadcastQueue(this, mHandler, 2240 "foreground", BROADCAST_FG_TIMEOUT, false); 2241 mBgBroadcastQueue = new BroadcastQueue(this, mHandler, 2242 "background", BROADCAST_BG_TIMEOUT, true); 2243 mBroadcastQueues[0] = mFgBroadcastQueue; 2244 mBroadcastQueues[1] = mBgBroadcastQueue; 2245 2246 mServices = new ActiveServices(this); 2247 mProviderMap = new ProviderMap(this); 2248 2249 // TODO: Move creation of battery stats service outside of activity manager service. 2250 File dataDir = Environment.getDataDirectory(); 2251 File systemDir = new File(dataDir, "system"); 2252 systemDir.mkdirs(); 2253 mBatteryStatsService = new BatteryStatsService(systemDir, mHandler); 2254 mBatteryStatsService.getActiveStatistics().readLocked(); 2255 mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); 2256 mOnBattery = DEBUG_POWER ? true 2257 : mBatteryStatsService.getActiveStatistics().getIsOnBattery(); 2258 mBatteryStatsService.getActiveStatistics().setCallback(this); 2259 2260 mProcessStats = new ProcessStatsService(this, new File(systemDir, "procstats")); 2261 2262 mAppOpsService = new AppOpsService(new File(systemDir, "appops.xml"), mHandler); 2263 2264 mGrantFile = new AtomicFile(new File(systemDir, "urigrants.xml")); 2265 2266 // User 0 is the first and only user that runs at boot. 2267 mStartedUsers.put(0, new UserStartedState(new UserHandle(0), true)); 2268 mUserLru.add(Integer.valueOf(0)); 2269 updateStartedUserArrayLocked(); 2270 2271 GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version", 2272 ConfigurationInfo.GL_ES_VERSION_UNDEFINED); 2273 2274 mConfiguration.setToDefaults(); 2275 mConfiguration.setLocale(Locale.getDefault()); 2276 2277 mConfigurationSeq = mConfiguration.seq = 1; 2278 mProcessCpuTracker.init(); 2279 2280 mCompatModePackages = new CompatModePackages(this, systemDir, mHandler); 2281 mIntentFirewall = new IntentFirewall(new IntentFirewallInterface(), mHandler); 2282 mStackSupervisor = new ActivityStackSupervisor(this); 2283 mTaskPersister = new TaskPersister(systemDir, mStackSupervisor); 2284 2285 mProcessCpuThread = new Thread("CpuTracker") { 2286 @Override 2287 public void run() { 2288 while (true) { 2289 try { 2290 try { 2291 synchronized(this) { 2292 final long now = SystemClock.uptimeMillis(); 2293 long nextCpuDelay = (mLastCpuTime.get()+MONITOR_CPU_MAX_TIME)-now; 2294 long nextWriteDelay = (mLastWriteTime+BATTERY_STATS_TIME)-now; 2295 //Slog.i(TAG, "Cpu delay=" + nextCpuDelay 2296 // + ", write delay=" + nextWriteDelay); 2297 if (nextWriteDelay < nextCpuDelay) { 2298 nextCpuDelay = nextWriteDelay; 2299 } 2300 if (nextCpuDelay > 0) { 2301 mProcessCpuMutexFree.set(true); 2302 this.wait(nextCpuDelay); 2303 } 2304 } 2305 } catch (InterruptedException e) { 2306 } 2307 updateCpuStatsNow(); 2308 } catch (Exception e) { 2309 Slog.e(TAG, "Unexpected exception collecting process stats", e); 2310 } 2311 } 2312 } 2313 }; 2314 2315 mLockToAppRequest = new LockToAppRequestDialog(mContext, this); 2316 2317 Watchdog.getInstance().addMonitor(this); 2318 Watchdog.getInstance().addThread(mHandler); 2319 } 2320 2321 public void setSystemServiceManager(SystemServiceManager mgr) { 2322 mSystemServiceManager = mgr; 2323 } 2324 2325 private void start() { 2326 Process.removeAllProcessGroups(); 2327 mProcessCpuThread.start(); 2328 2329 mBatteryStatsService.publish(mContext); 2330 mAppOpsService.publish(mContext); 2331 Slog.d("AppOps", "AppOpsService published"); 2332 LocalServices.addService(ActivityManagerInternal.class, new LocalService()); 2333 } 2334 2335 public void initPowerManagement() { 2336 mStackSupervisor.initPowerManagement(); 2337 mBatteryStatsService.initPowerManagement(); 2338 } 2339 2340 @Override 2341 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2342 throws RemoteException { 2343 if (code == SYSPROPS_TRANSACTION) { 2344 // We need to tell all apps about the system property change. 2345 ArrayList<IBinder> procs = new ArrayList<IBinder>(); 2346 synchronized(this) { 2347 final int NP = mProcessNames.getMap().size(); 2348 for (int ip=0; ip<NP; ip++) { 2349 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 2350 final int NA = apps.size(); 2351 for (int ia=0; ia<NA; ia++) { 2352 ProcessRecord app = apps.valueAt(ia); 2353 if (app.thread != null) { 2354 procs.add(app.thread.asBinder()); 2355 } 2356 } 2357 } 2358 } 2359 2360 int N = procs.size(); 2361 for (int i=0; i<N; i++) { 2362 Parcel data2 = Parcel.obtain(); 2363 try { 2364 procs.get(i).transact(IBinder.SYSPROPS_TRANSACTION, data2, null, 0); 2365 } catch (RemoteException e) { 2366 } 2367 data2.recycle(); 2368 } 2369 } 2370 try { 2371 return super.onTransact(code, data, reply, flags); 2372 } catch (RuntimeException e) { 2373 // The activity manager only throws security exceptions, so let's 2374 // log all others. 2375 if (!(e instanceof SecurityException)) { 2376 Slog.wtf(TAG, "Activity Manager Crash", e); 2377 } 2378 throw e; 2379 } 2380 } 2381 2382 void updateCpuStats() { 2383 final long now = SystemClock.uptimeMillis(); 2384 if (mLastCpuTime.get() >= now - MONITOR_CPU_MIN_TIME) { 2385 return; 2386 } 2387 if (mProcessCpuMutexFree.compareAndSet(true, false)) { 2388 synchronized (mProcessCpuThread) { 2389 mProcessCpuThread.notify(); 2390 } 2391 } 2392 } 2393 2394 void updateCpuStatsNow() { 2395 synchronized (mProcessCpuTracker) { 2396 mProcessCpuMutexFree.set(false); 2397 final long now = SystemClock.uptimeMillis(); 2398 boolean haveNewCpuStats = false; 2399 2400 if (MONITOR_CPU_USAGE && 2401 mLastCpuTime.get() < (now-MONITOR_CPU_MIN_TIME)) { 2402 mLastCpuTime.set(now); 2403 haveNewCpuStats = true; 2404 mProcessCpuTracker.update(); 2405 //Slog.i(TAG, mProcessCpu.printCurrentState()); 2406 //Slog.i(TAG, "Total CPU usage: " 2407 // + mProcessCpu.getTotalCpuPercent() + "%"); 2408 2409 // Slog the cpu usage if the property is set. 2410 if ("true".equals(SystemProperties.get("events.cpu"))) { 2411 int user = mProcessCpuTracker.getLastUserTime(); 2412 int system = mProcessCpuTracker.getLastSystemTime(); 2413 int iowait = mProcessCpuTracker.getLastIoWaitTime(); 2414 int irq = mProcessCpuTracker.getLastIrqTime(); 2415 int softIrq = mProcessCpuTracker.getLastSoftIrqTime(); 2416 int idle = mProcessCpuTracker.getLastIdleTime(); 2417 2418 int total = user + system + iowait + irq + softIrq + idle; 2419 if (total == 0) total = 1; 2420 2421 EventLog.writeEvent(EventLogTags.CPU, 2422 ((user+system+iowait+irq+softIrq) * 100) / total, 2423 (user * 100) / total, 2424 (system * 100) / total, 2425 (iowait * 100) / total, 2426 (irq * 100) / total, 2427 (softIrq * 100) / total); 2428 } 2429 } 2430 2431 long[] cpuSpeedTimes = mProcessCpuTracker.getLastCpuSpeedTimes(); 2432 final BatteryStatsImpl bstats = mBatteryStatsService.getActiveStatistics(); 2433 synchronized(bstats) { 2434 synchronized(mPidsSelfLocked) { 2435 if (haveNewCpuStats) { 2436 if (mOnBattery) { 2437 int perc = bstats.startAddingCpuLocked(); 2438 int totalUTime = 0; 2439 int totalSTime = 0; 2440 final int N = mProcessCpuTracker.countStats(); 2441 for (int i=0; i<N; i++) { 2442 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 2443 if (!st.working) { 2444 continue; 2445 } 2446 ProcessRecord pr = mPidsSelfLocked.get(st.pid); 2447 int otherUTime = (st.rel_utime*perc)/100; 2448 int otherSTime = (st.rel_stime*perc)/100; 2449 totalUTime += otherUTime; 2450 totalSTime += otherSTime; 2451 if (pr != null) { 2452 BatteryStatsImpl.Uid.Proc ps = pr.curProcBatteryStats; 2453 if (ps == null || !ps.isActive()) { 2454 pr.curProcBatteryStats = ps = bstats.getProcessStatsLocked( 2455 pr.info.uid, pr.processName); 2456 } 2457 ps.addCpuTimeLocked(st.rel_utime-otherUTime, 2458 st.rel_stime-otherSTime); 2459 ps.addSpeedStepTimes(cpuSpeedTimes); 2460 pr.curCpuTime += (st.rel_utime+st.rel_stime) * 10; 2461 } else { 2462 BatteryStatsImpl.Uid.Proc ps = st.batteryStats; 2463 if (ps == null || !ps.isActive()) { 2464 st.batteryStats = ps = bstats.getProcessStatsLocked( 2465 bstats.mapUid(st.uid), st.name); 2466 } 2467 ps.addCpuTimeLocked(st.rel_utime-otherUTime, 2468 st.rel_stime-otherSTime); 2469 ps.addSpeedStepTimes(cpuSpeedTimes); 2470 } 2471 } 2472 bstats.finishAddingCpuLocked(perc, totalUTime, 2473 totalSTime, cpuSpeedTimes); 2474 } 2475 } 2476 } 2477 2478 if (mLastWriteTime < (now-BATTERY_STATS_TIME)) { 2479 mLastWriteTime = now; 2480 mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); 2481 } 2482 } 2483 } 2484 } 2485 2486 @Override 2487 public void batteryNeedsCpuUpdate() { 2488 updateCpuStatsNow(); 2489 } 2490 2491 @Override 2492 public void batteryPowerChanged(boolean onBattery) { 2493 // When plugging in, update the CPU stats first before changing 2494 // the plug state. 2495 updateCpuStatsNow(); 2496 synchronized (this) { 2497 synchronized(mPidsSelfLocked) { 2498 mOnBattery = DEBUG_POWER ? true : onBattery; 2499 } 2500 } 2501 } 2502 2503 /** 2504 * Initialize the application bind args. These are passed to each 2505 * process when the bindApplication() IPC is sent to the process. They're 2506 * lazily setup to make sure the services are running when they're asked for. 2507 */ 2508 private HashMap<String, IBinder> getCommonServicesLocked() { 2509 if (mAppBindArgs == null) { 2510 mAppBindArgs = new HashMap<String, IBinder>(); 2511 2512 // Setup the application init args 2513 mAppBindArgs.put("package", ServiceManager.getService("package")); 2514 mAppBindArgs.put("window", ServiceManager.getService("window")); 2515 mAppBindArgs.put(Context.ALARM_SERVICE, 2516 ServiceManager.getService(Context.ALARM_SERVICE)); 2517 } 2518 return mAppBindArgs; 2519 } 2520 2521 final void setFocusedActivityLocked(ActivityRecord r) { 2522 if (mFocusedActivity != r) { 2523 if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedActivityLocked: r=" + r); 2524 mFocusedActivity = r; 2525 if (r.task != null && r.task.voiceInteractor != null) { 2526 startRunningVoiceLocked(); 2527 } else { 2528 finishRunningVoiceLocked(); 2529 } 2530 mStackSupervisor.setFocusedStack(r); 2531 if (r != null) { 2532 mWindowManager.setFocusedApp(r.appToken, true); 2533 } 2534 applyUpdateLockStateLocked(r); 2535 } 2536 } 2537 2538 final void clearFocusedActivity(ActivityRecord r) { 2539 if (mFocusedActivity == r) { 2540 mFocusedActivity = null; 2541 } 2542 } 2543 2544 @Override 2545 public void setFocusedStack(int stackId) { 2546 if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedStack: stackId=" + stackId); 2547 synchronized (ActivityManagerService.this) { 2548 ActivityStack stack = mStackSupervisor.getStack(stackId); 2549 if (stack != null) { 2550 ActivityRecord r = stack.topRunningActivityLocked(null); 2551 if (r != null) { 2552 setFocusedActivityLocked(r); 2553 } 2554 } 2555 } 2556 } 2557 2558 @Override 2559 public void notifyActivityDrawn(IBinder token) { 2560 if (DEBUG_VISBILITY) Slog.d(TAG, "notifyActivityDrawn: token=" + token); 2561 synchronized (this) { 2562 ActivityRecord r= mStackSupervisor.isInAnyStackLocked(token); 2563 if (r != null) { 2564 r.task.stack.notifyActivityDrawnLocked(r); 2565 } 2566 } 2567 } 2568 2569 final void applyUpdateLockStateLocked(ActivityRecord r) { 2570 // Modifications to the UpdateLock state are done on our handler, outside 2571 // the activity manager's locks. The new state is determined based on the 2572 // state *now* of the relevant activity record. The object is passed to 2573 // the handler solely for logging detail, not to be consulted/modified. 2574 final boolean nextState = r != null && r.immersive; 2575 mHandler.sendMessage( 2576 mHandler.obtainMessage(IMMERSIVE_MODE_LOCK_MSG, (nextState) ? 1 : 0, 0, r)); 2577 } 2578 2579 final void showAskCompatModeDialogLocked(ActivityRecord r) { 2580 Message msg = Message.obtain(); 2581 msg.what = SHOW_COMPAT_MODE_DIALOG_MSG; 2582 msg.obj = r.task.askedCompatMode ? null : r; 2583 mHandler.sendMessage(msg); 2584 } 2585 2586 private final int updateLruProcessInternalLocked(ProcessRecord app, long now, int index, 2587 String what, Object obj, ProcessRecord srcApp) { 2588 app.lastActivityTime = now; 2589 2590 if (app.activities.size() > 0) { 2591 // Don't want to touch dependent processes that are hosting activities. 2592 return index; 2593 } 2594 2595 int lrui = mLruProcesses.lastIndexOf(app); 2596 if (lrui < 0) { 2597 Slog.wtf(TAG, "Adding dependent process " + app + " not on LRU list: " 2598 + what + " " + obj + " from " + srcApp); 2599 return index; 2600 } 2601 2602 if (lrui >= index) { 2603 // Don't want to cause this to move dependent processes *back* in the 2604 // list as if they were less frequently used. 2605 return index; 2606 } 2607 2608 if (lrui >= mLruProcessActivityStart) { 2609 // Don't want to touch dependent processes that are hosting activities. 2610 return index; 2611 } 2612 2613 mLruProcesses.remove(lrui); 2614 if (index > 0) { 2615 index--; 2616 } 2617 if (DEBUG_LRU) Slog.d(TAG, "Moving dep from " + lrui + " to " + index 2618 + " in LRU list: " + app); 2619 mLruProcesses.add(index, app); 2620 return index; 2621 } 2622 2623 final void removeLruProcessLocked(ProcessRecord app) { 2624 int lrui = mLruProcesses.lastIndexOf(app); 2625 if (lrui >= 0) { 2626 if (lrui <= mLruProcessActivityStart) { 2627 mLruProcessActivityStart--; 2628 } 2629 if (lrui <= mLruProcessServiceStart) { 2630 mLruProcessServiceStart--; 2631 } 2632 mLruProcesses.remove(lrui); 2633 } 2634 } 2635 2636 final void updateLruProcessLocked(ProcessRecord app, boolean activityChange, 2637 ProcessRecord client) { 2638 final boolean hasActivity = app.activities.size() > 0 || app.hasClientActivities 2639 || app.treatLikeActivity; 2640 final boolean hasService = false; // not impl yet. app.services.size() > 0; 2641 if (!activityChange && hasActivity) { 2642 // The process has activities, so we are only allowing activity-based adjustments 2643 // to move it. It should be kept in the front of the list with other 2644 // processes that have activities, and we don't want those to change their 2645 // order except due to activity operations. 2646 return; 2647 } 2648 2649 mLruSeq++; 2650 final long now = SystemClock.uptimeMillis(); 2651 app.lastActivityTime = now; 2652 2653 // First a quick reject: if the app is already at the position we will 2654 // put it, then there is nothing to do. 2655 if (hasActivity) { 2656 final int N = mLruProcesses.size(); 2657 if (N > 0 && mLruProcesses.get(N-1) == app) { 2658 if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top activity: " + app); 2659 return; 2660 } 2661 } else { 2662 if (mLruProcessServiceStart > 0 2663 && mLruProcesses.get(mLruProcessServiceStart-1) == app) { 2664 if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top other: " + app); 2665 return; 2666 } 2667 } 2668 2669 int lrui = mLruProcesses.lastIndexOf(app); 2670 2671 if (app.persistent && lrui >= 0) { 2672 // We don't care about the position of persistent processes, as long as 2673 // they are in the list. 2674 if (DEBUG_LRU) Slog.d(TAG, "Not moving, persistent: " + app); 2675 return; 2676 } 2677 2678 /* In progress: compute new position first, so we can avoid doing work 2679 if the process is not actually going to move. Not yet working. 2680 int addIndex; 2681 int nextIndex; 2682 boolean inActivity = false, inService = false; 2683 if (hasActivity) { 2684 // Process has activities, put it at the very tipsy-top. 2685 addIndex = mLruProcesses.size(); 2686 nextIndex = mLruProcessServiceStart; 2687 inActivity = true; 2688 } else if (hasService) { 2689 // Process has services, put it at the top of the service list. 2690 addIndex = mLruProcessActivityStart; 2691 nextIndex = mLruProcessServiceStart; 2692 inActivity = true; 2693 inService = true; 2694 } else { 2695 // Process not otherwise of interest, it goes to the top of the non-service area. 2696 addIndex = mLruProcessServiceStart; 2697 if (client != null) { 2698 int clientIndex = mLruProcesses.lastIndexOf(client); 2699 if (clientIndex < 0) Slog.d(TAG, "Unknown client " + client + " when updating " 2700 + app); 2701 if (clientIndex >= 0 && addIndex > clientIndex) { 2702 addIndex = clientIndex; 2703 } 2704 } 2705 nextIndex = addIndex > 0 ? addIndex-1 : addIndex; 2706 } 2707 2708 Slog.d(TAG, "Update LRU at " + lrui + " to " + addIndex + " (act=" 2709 + mLruProcessActivityStart + "): " + app); 2710 */ 2711 2712 if (lrui >= 0) { 2713 if (lrui < mLruProcessActivityStart) { 2714 mLruProcessActivityStart--; 2715 } 2716 if (lrui < mLruProcessServiceStart) { 2717 mLruProcessServiceStart--; 2718 } 2719 /* 2720 if (addIndex > lrui) { 2721 addIndex--; 2722 } 2723 if (nextIndex > lrui) { 2724 nextIndex--; 2725 } 2726 */ 2727 mLruProcesses.remove(lrui); 2728 } 2729 2730 /* 2731 mLruProcesses.add(addIndex, app); 2732 if (inActivity) { 2733 mLruProcessActivityStart++; 2734 } 2735 if (inService) { 2736 mLruProcessActivityStart++; 2737 } 2738 */ 2739 2740 int nextIndex; 2741 if (hasActivity) { 2742 final int N = mLruProcesses.size(); 2743 if (app.activities.size() == 0 && mLruProcessActivityStart < (N-1)) { 2744 // Process doesn't have activities, but has clients with 2745 // activities... move it up, but one below the top (the top 2746 // should always have a real activity). 2747 if (DEBUG_LRU) Slog.d(TAG, "Adding to second-top of LRU activity list: " + app); 2748 mLruProcesses.add(N-1, app); 2749 // To keep it from spamming the LRU list (by making a bunch of clients), 2750 // we will push down any other entries owned by the app. 2751 final int uid = app.info.uid; 2752 for (int i=N-2; i>mLruProcessActivityStart; i--) { 2753 ProcessRecord subProc = mLruProcesses.get(i); 2754 if (subProc.info.uid == uid) { 2755 // We want to push this one down the list. If the process after 2756 // it is for the same uid, however, don't do so, because we don't 2757 // want them internally to be re-ordered. 2758 if (mLruProcesses.get(i-1).info.uid != uid) { 2759 if (DEBUG_LRU) Slog.d(TAG, "Pushing uid " + uid + " swapping at " + i 2760 + ": " + mLruProcesses.get(i) + " : " + mLruProcesses.get(i-1)); 2761 ProcessRecord tmp = mLruProcesses.get(i); 2762 mLruProcesses.set(i, mLruProcesses.get(i-1)); 2763 mLruProcesses.set(i-1, tmp); 2764 i--; 2765 } 2766 } else { 2767 // A gap, we can stop here. 2768 break; 2769 } 2770 } 2771 } else { 2772 // Process has activities, put it at the very tipsy-top. 2773 if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU activity list: " + app); 2774 mLruProcesses.add(app); 2775 } 2776 nextIndex = mLruProcessServiceStart; 2777 } else if (hasService) { 2778 // Process has services, put it at the top of the service list. 2779 if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU service list: " + app); 2780 mLruProcesses.add(mLruProcessActivityStart, app); 2781 nextIndex = mLruProcessServiceStart; 2782 mLruProcessActivityStart++; 2783 } else { 2784 // Process not otherwise of interest, it goes to the top of the non-service area. 2785 int index = mLruProcessServiceStart; 2786 if (client != null) { 2787 // If there is a client, don't allow the process to be moved up higher 2788 // in the list than that client. 2789 int clientIndex = mLruProcesses.lastIndexOf(client); 2790 if (DEBUG_LRU && clientIndex < 0) Slog.d(TAG, "Unknown client " + client 2791 + " when updating " + app); 2792 if (clientIndex <= lrui) { 2793 // Don't allow the client index restriction to push it down farther in the 2794 // list than it already is. 2795 clientIndex = lrui; 2796 } 2797 if (clientIndex >= 0 && index > clientIndex) { 2798 index = clientIndex; 2799 } 2800 } 2801 if (DEBUG_LRU) Slog.d(TAG, "Adding at " + index + " of LRU list: " + app); 2802 mLruProcesses.add(index, app); 2803 nextIndex = index-1; 2804 mLruProcessActivityStart++; 2805 mLruProcessServiceStart++; 2806 } 2807 2808 // If the app is currently using a content provider or service, 2809 // bump those processes as well. 2810 for (int j=app.connections.size()-1; j>=0; j--) { 2811 ConnectionRecord cr = app.connections.valueAt(j); 2812 if (cr.binding != null && !cr.serviceDead && cr.binding.service != null 2813 && cr.binding.service.app != null 2814 && cr.binding.service.app.lruSeq != mLruSeq 2815 && !cr.binding.service.app.persistent) { 2816 nextIndex = updateLruProcessInternalLocked(cr.binding.service.app, now, nextIndex, 2817 "service connection", cr, app); 2818 } 2819 } 2820 for (int j=app.conProviders.size()-1; j>=0; j--) { 2821 ContentProviderRecord cpr = app.conProviders.get(j).provider; 2822 if (cpr.proc != null && cpr.proc.lruSeq != mLruSeq && !cpr.proc.persistent) { 2823 nextIndex = updateLruProcessInternalLocked(cpr.proc, now, nextIndex, 2824 "provider reference", cpr, app); 2825 } 2826 } 2827 } 2828 2829 final ProcessRecord getProcessRecordLocked(String processName, int uid, boolean keepIfLarge) { 2830 if (uid == Process.SYSTEM_UID) { 2831 // The system gets to run in any process. If there are multiple 2832 // processes with the same uid, just pick the first (this 2833 // should never happen). 2834 SparseArray<ProcessRecord> procs = mProcessNames.getMap().get(processName); 2835 if (procs == null) return null; 2836 final int N = procs.size(); 2837 for (int i = 0; i < N; i++) { 2838 if (UserHandle.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i); 2839 } 2840 } 2841 ProcessRecord proc = mProcessNames.get(processName, uid); 2842 if (false && proc != null && !keepIfLarge 2843 && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY 2844 && proc.lastCachedPss >= 4000) { 2845 // Turn this condition on to cause killing to happen regularly, for testing. 2846 if (proc.baseProcessTracker != null) { 2847 proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss); 2848 } 2849 proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true); 2850 } else if (proc != null && !keepIfLarge 2851 && mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL 2852 && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { 2853 if (DEBUG_PSS) Slog.d(TAG, "May not keep " + proc + ": pss=" + proc.lastCachedPss); 2854 if (proc.lastCachedPss >= mProcessList.getCachedRestoreThresholdKb()) { 2855 if (proc.baseProcessTracker != null) { 2856 proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss); 2857 } 2858 proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true); 2859 } 2860 } 2861 return proc; 2862 } 2863 2864 void ensurePackageDexOpt(String packageName) { 2865 IPackageManager pm = AppGlobals.getPackageManager(); 2866 try { 2867 if (pm.performDexOptIfNeeded(packageName, null /* instruction set */)) { 2868 mDidDexOpt = true; 2869 } 2870 } catch (RemoteException e) { 2871 } 2872 } 2873 2874 boolean isNextTransitionForward() { 2875 int transit = mWindowManager.getPendingAppTransition(); 2876 return transit == AppTransition.TRANSIT_ACTIVITY_OPEN 2877 || transit == AppTransition.TRANSIT_TASK_OPEN 2878 || transit == AppTransition.TRANSIT_TASK_TO_FRONT; 2879 } 2880 2881 int startIsolatedProcess(String entryPoint, String[] entryPointArgs, 2882 String processName, String abiOverride, int uid, Runnable crashHandler) { 2883 synchronized(this) { 2884 ApplicationInfo info = new ApplicationInfo(); 2885 // In general the ApplicationInfo.uid isn't neccesarily equal to ProcessRecord.uid. 2886 // For isolated processes, the former contains the parent's uid and the latter the 2887 // actual uid of the isolated process. 2888 // In the special case introduced by this method (which is, starting an isolated 2889 // process directly from the SystemServer without an actual parent app process) the 2890 // closest thing to a parent's uid is SYSTEM_UID. 2891 // The only important thing here is to keep AI.uid != PR.uid, in order to trigger 2892 // the |isolated| logic in the ProcessRecord constructor. 2893 info.uid = Process.SYSTEM_UID; 2894 info.processName = processName; 2895 info.className = entryPoint; 2896 info.packageName = "android"; 2897 ProcessRecord proc = startProcessLocked(processName, info /* info */, 2898 false /* knownToBeDead */, 0 /* intentFlags */, "" /* hostingType */, 2899 null /* hostingName */, true /* allowWhileBooting */, true /* isolated */, 2900 uid, true /* keepIfLarge */, abiOverride, entryPoint, entryPointArgs, 2901 crashHandler); 2902 return proc != null ? proc.pid : 0; 2903 } 2904 } 2905 2906 final ProcessRecord startProcessLocked(String processName, 2907 ApplicationInfo info, boolean knownToBeDead, int intentFlags, 2908 String hostingType, ComponentName hostingName, boolean allowWhileBooting, 2909 boolean isolated, boolean keepIfLarge) { 2910 return startProcessLocked(processName, info, knownToBeDead, intentFlags, hostingType, 2911 hostingName, allowWhileBooting, isolated, 0 /* isolatedUid */, keepIfLarge, 2912 null /* ABI override */, null /* entryPoint */, null /* entryPointArgs */, 2913 null /* crashHandler */); 2914 } 2915 2916 final ProcessRecord startProcessLocked(String processName, ApplicationInfo info, 2917 boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName, 2918 boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge, 2919 String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) { 2920 long startTime = SystemClock.elapsedRealtime(); 2921 ProcessRecord app; 2922 if (!isolated) { 2923 app = getProcessRecordLocked(processName, info.uid, keepIfLarge); 2924 checkTime(startTime, "startProcess: after getProcessRecord"); 2925 } else { 2926 // If this is an isolated process, it can't re-use an existing process. 2927 app = null; 2928 } 2929 // We don't have to do anything more if: 2930 // (1) There is an existing application record; and 2931 // (2) The caller doesn't think it is dead, OR there is no thread 2932 // object attached to it so we know it couldn't have crashed; and 2933 // (3) There is a pid assigned to it, so it is either starting or 2934 // already running. 2935 if (DEBUG_PROCESSES) Slog.v(TAG, "startProcess: name=" + processName 2936 + " app=" + app + " knownToBeDead=" + knownToBeDead 2937 + " thread=" + (app != null ? app.thread : null) 2938 + " pid=" + (app != null ? app.pid : -1)); 2939 if (app != null && app.pid > 0) { 2940 if (!knownToBeDead || app.thread == null) { 2941 // We already have the app running, or are waiting for it to 2942 // come up (we have a pid but not yet its thread), so keep it. 2943 if (DEBUG_PROCESSES) Slog.v(TAG, "App already running: " + app); 2944 // If this is a new package in the process, add the package to the list 2945 app.addPackage(info.packageName, info.versionCode, mProcessStats); 2946 checkTime(startTime, "startProcess: done, added package to proc"); 2947 return app; 2948 } 2949 2950 // An application record is attached to a previous process, 2951 // clean it up now. 2952 if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, "App died: " + app); 2953 checkTime(startTime, "startProcess: bad proc running, killing"); 2954 Process.killProcessGroup(app.info.uid, app.pid); 2955 handleAppDiedLocked(app, true, true); 2956 checkTime(startTime, "startProcess: done killing old proc"); 2957 } 2958 2959 String hostingNameStr = hostingName != null 2960 ? hostingName.flattenToShortString() : null; 2961 2962 if (!isolated) { 2963 if ((intentFlags&Intent.FLAG_FROM_BACKGROUND) != 0) { 2964 // If we are in the background, then check to see if this process 2965 // is bad. If so, we will just silently fail. 2966 if (mBadProcesses.get(info.processName, info.uid) != null) { 2967 if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid 2968 + "/" + info.processName); 2969 return null; 2970 } 2971 } else { 2972 // When the user is explicitly starting a process, then clear its 2973 // crash count so that we won't make it bad until they see at 2974 // least one crash dialog again, and make the process good again 2975 // if it had been bad. 2976 if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid 2977 + "/" + info.processName); 2978 mProcessCrashTimes.remove(info.processName, info.uid); 2979 if (mBadProcesses.get(info.processName, info.uid) != null) { 2980 EventLog.writeEvent(EventLogTags.AM_PROC_GOOD, 2981 UserHandle.getUserId(info.uid), info.uid, 2982 info.processName); 2983 mBadProcesses.remove(info.processName, info.uid); 2984 if (app != null) { 2985 app.bad = false; 2986 } 2987 } 2988 } 2989 } 2990 2991 if (app == null) { 2992 checkTime(startTime, "startProcess: creating new process record"); 2993 app = newProcessRecordLocked(info, processName, isolated, isolatedUid); 2994 app.crashHandler = crashHandler; 2995 if (app == null) { 2996 Slog.w(TAG, "Failed making new process record for " 2997 + processName + "/" + info.uid + " isolated=" + isolated); 2998 return null; 2999 } 3000 mProcessNames.put(processName, app.uid, app); 3001 if (isolated) { 3002 mIsolatedProcesses.put(app.uid, app); 3003 } 3004 checkTime(startTime, "startProcess: done creating new process record"); 3005 } else { 3006 // If this is a new package in the process, add the package to the list 3007 app.addPackage(info.packageName, info.versionCode, mProcessStats); 3008 checkTime(startTime, "startProcess: added package to existing proc"); 3009 } 3010 3011 // If the system is not ready yet, then hold off on starting this 3012 // process until it is. 3013 if (!mProcessesReady 3014 && !isAllowedWhileBooting(info) 3015 && !allowWhileBooting) { 3016 if (!mProcessesOnHold.contains(app)) { 3017 mProcessesOnHold.add(app); 3018 } 3019 if (DEBUG_PROCESSES) Slog.v(TAG, "System not ready, putting on hold: " + app); 3020 checkTime(startTime, "startProcess: returning with proc on hold"); 3021 return app; 3022 } 3023 3024 checkTime(startTime, "startProcess: stepping in to startProcess"); 3025 startProcessLocked( 3026 app, hostingType, hostingNameStr, abiOverride, entryPoint, entryPointArgs); 3027 checkTime(startTime, "startProcess: done starting proc!"); 3028 return (app.pid != 0) ? app : null; 3029 } 3030 3031 boolean isAllowedWhileBooting(ApplicationInfo ai) { 3032 return (ai.flags&ApplicationInfo.FLAG_PERSISTENT) != 0; 3033 } 3034 3035 private final void startProcessLocked(ProcessRecord app, 3036 String hostingType, String hostingNameStr) { 3037 startProcessLocked(app, hostingType, hostingNameStr, null /* abiOverride */, 3038 null /* entryPoint */, null /* entryPointArgs */); 3039 } 3040 3041 private final void startProcessLocked(ProcessRecord app, String hostingType, 3042 String hostingNameStr, String abiOverride, String entryPoint, String[] entryPointArgs) { 3043 long startTime = SystemClock.elapsedRealtime(); 3044 if (app.pid > 0 && app.pid != MY_PID) { 3045 checkTime(startTime, "startProcess: removing from pids map"); 3046 synchronized (mPidsSelfLocked) { 3047 mPidsSelfLocked.remove(app.pid); 3048 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 3049 } 3050 checkTime(startTime, "startProcess: done removing from pids map"); 3051 app.setPid(0); 3052 } 3053 3054 if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, 3055 "startProcessLocked removing on hold: " + app); 3056 mProcessesOnHold.remove(app); 3057 3058 checkTime(startTime, "startProcess: starting to update cpu stats"); 3059 updateCpuStats(); 3060 checkTime(startTime, "startProcess: done updating cpu stats"); 3061 3062 try { 3063 int uid = app.uid; 3064 3065 int[] gids = null; 3066 int mountExternal = Zygote.MOUNT_EXTERNAL_NONE; 3067 if (!app.isolated) { 3068 int[] permGids = null; 3069 try { 3070 checkTime(startTime, "startProcess: getting gids from package manager"); 3071 final PackageManager pm = mContext.getPackageManager(); 3072 permGids = pm.getPackageGids(app.info.packageName); 3073 3074 if (Environment.isExternalStorageEmulated()) { 3075 checkTime(startTime, "startProcess: checking external storage perm"); 3076 if (pm.checkPermission( 3077 android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE, 3078 app.info.packageName) == PERMISSION_GRANTED) { 3079 mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER_ALL; 3080 } else { 3081 mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER; 3082 } 3083 } 3084 } catch (PackageManager.NameNotFoundException e) { 3085 Slog.w(TAG, "Unable to retrieve gids", e); 3086 } 3087 3088 /* 3089 * Add shared application and profile GIDs so applications can share some 3090 * resources like shared libraries and access user-wide resources 3091 */ 3092 if (permGids == null) { 3093 gids = new int[2]; 3094 } else { 3095 gids = new int[permGids.length + 2]; 3096 System.arraycopy(permGids, 0, gids, 2, permGids.length); 3097 } 3098 gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid)); 3099 gids[1] = UserHandle.getUserGid(UserHandle.getUserId(uid)); 3100 } 3101 checkTime(startTime, "startProcess: building args"); 3102 if (mFactoryTest != FactoryTest.FACTORY_TEST_OFF) { 3103 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL 3104 && mTopComponent != null 3105 && app.processName.equals(mTopComponent.getPackageName())) { 3106 uid = 0; 3107 } 3108 if (mFactoryTest == FactoryTest.FACTORY_TEST_HIGH_LEVEL 3109 && (app.info.flags&ApplicationInfo.FLAG_FACTORY_TEST) != 0) { 3110 uid = 0; 3111 } 3112 } 3113 int debugFlags = 0; 3114 if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { 3115 debugFlags |= Zygote.DEBUG_ENABLE_DEBUGGER; 3116 // Also turn on CheckJNI for debuggable apps. It's quite 3117 // awkward to turn on otherwise. 3118 debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; 3119 } 3120 // Run the app in safe mode if its manifest requests so or the 3121 // system is booted in safe mode. 3122 if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 || 3123 mSafeMode == true) { 3124 debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE; 3125 } 3126 if ("1".equals(SystemProperties.get("debug.checkjni"))) { 3127 debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; 3128 } 3129 if ("1".equals(SystemProperties.get("debug.jni.logging"))) { 3130 debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING; 3131 } 3132 if ("1".equals(SystemProperties.get("debug.assert"))) { 3133 debugFlags |= Zygote.DEBUG_ENABLE_ASSERT; 3134 } 3135 3136 String requiredAbi = (abiOverride != null) ? abiOverride : app.info.primaryCpuAbi; 3137 if (requiredAbi == null) { 3138 requiredAbi = Build.SUPPORTED_ABIS[0]; 3139 } 3140 3141 String instructionSet = null; 3142 if (app.info.primaryCpuAbi != null) { 3143 instructionSet = VMRuntime.getInstructionSet(app.info.primaryCpuAbi); 3144 } 3145 3146 // Start the process. It will either succeed and return a result containing 3147 // the PID of the new process, or else throw a RuntimeException. 3148 boolean isActivityProcess = (entryPoint == null); 3149 if (entryPoint == null) entryPoint = "android.app.ActivityThread"; 3150 checkTime(startTime, "startProcess: asking zygote to start proc"); 3151 Process.ProcessStartResult startResult = Process.start(entryPoint, 3152 app.processName, uid, uid, gids, debugFlags, mountExternal, 3153 app.info.targetSdkVersion, app.info.seinfo, requiredAbi, instructionSet, 3154 entryPointArgs); 3155 checkTime(startTime, "startProcess: returned from zygote!"); 3156 3157 if (app.isolated) { 3158 mBatteryStatsService.addIsolatedUid(app.uid, app.info.uid); 3159 } 3160 mBatteryStatsService.noteProcessStart(app.processName, app.info.uid); 3161 checkTime(startTime, "startProcess: done updating battery stats"); 3162 3163 EventLog.writeEvent(EventLogTags.AM_PROC_START, 3164 UserHandle.getUserId(uid), startResult.pid, uid, 3165 app.processName, hostingType, 3166 hostingNameStr != null ? hostingNameStr : ""); 3167 3168 if (app.persistent) { 3169 Watchdog.getInstance().processStarted(app.processName, startResult.pid); 3170 } 3171 3172 checkTime(startTime, "startProcess: building log message"); 3173 StringBuilder buf = mStringBuilder; 3174 buf.setLength(0); 3175 buf.append("Start proc "); 3176 buf.append(app.processName); 3177 if (!isActivityProcess) { 3178 buf.append(" ["); 3179 buf.append(entryPoint); 3180 buf.append("]"); 3181 } 3182 buf.append(" for "); 3183 buf.append(hostingType); 3184 if (hostingNameStr != null) { 3185 buf.append(" "); 3186 buf.append(hostingNameStr); 3187 } 3188 buf.append(": pid="); 3189 buf.append(startResult.pid); 3190 buf.append(" uid="); 3191 buf.append(uid); 3192 buf.append(" gids={"); 3193 if (gids != null) { 3194 for (int gi=0; gi<gids.length; gi++) { 3195 if (gi != 0) buf.append(", "); 3196 buf.append(gids[gi]); 3197 3198 } 3199 } 3200 buf.append("}"); 3201 if (requiredAbi != null) { 3202 buf.append(" abi="); 3203 buf.append(requiredAbi); 3204 } 3205 Slog.i(TAG, buf.toString()); 3206 app.setPid(startResult.pid); 3207 app.usingWrapper = startResult.usingWrapper; 3208 app.removed = false; 3209 app.killedByAm = false; 3210 checkTime(startTime, "startProcess: starting to update pids map"); 3211 synchronized (mPidsSelfLocked) { 3212 this.mPidsSelfLocked.put(startResult.pid, app); 3213 if (isActivityProcess) { 3214 Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); 3215 msg.obj = app; 3216 mHandler.sendMessageDelayed(msg, startResult.usingWrapper 3217 ? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT); 3218 } 3219 } 3220 checkTime(startTime, "startProcess: done updating pids map"); 3221 } catch (RuntimeException e) { 3222 // XXX do better error recovery. 3223 app.setPid(0); 3224 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 3225 if (app.isolated) { 3226 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 3227 } 3228 Slog.e(TAG, "Failure starting process " + app.processName, e); 3229 } 3230 } 3231 3232 void updateUsageStats(ActivityRecord component, boolean resumed) { 3233 if (DEBUG_SWITCH) Slog.d(TAG, "updateUsageStats: comp=" + component + "res=" + resumed); 3234 final BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 3235 if (resumed) { 3236 if (mUsageStatsService != null) { 3237 mUsageStatsService.reportEvent(component.realActivity, component.userId, 3238 UsageEvents.Event.MOVE_TO_FOREGROUND); 3239 } 3240 synchronized (stats) { 3241 stats.noteActivityResumedLocked(component.app.uid); 3242 } 3243 } else { 3244 if (mUsageStatsService != null) { 3245 mUsageStatsService.reportEvent(component.realActivity, component.userId, 3246 UsageEvents.Event.MOVE_TO_BACKGROUND); 3247 } 3248 synchronized (stats) { 3249 stats.noteActivityPausedLocked(component.app.uid); 3250 } 3251 } 3252 } 3253 3254 Intent getHomeIntent() { 3255 Intent intent = new Intent(mTopAction, mTopData != null ? Uri.parse(mTopData) : null); 3256 intent.setComponent(mTopComponent); 3257 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 3258 intent.addCategory(Intent.CATEGORY_HOME); 3259 } 3260 return intent; 3261 } 3262 3263 boolean startHomeActivityLocked(int userId) { 3264 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL 3265 && mTopAction == null) { 3266 // We are running in factory test mode, but unable to find 3267 // the factory test app, so just sit around displaying the 3268 // error message and don't try to start anything. 3269 return false; 3270 } 3271 Intent intent = getHomeIntent(); 3272 ActivityInfo aInfo = 3273 resolveActivityInfo(intent, STOCK_PM_FLAGS, userId); 3274 if (aInfo != null) { 3275 intent.setComponent(new ComponentName( 3276 aInfo.applicationInfo.packageName, aInfo.name)); 3277 // Don't do this if the home app is currently being 3278 // instrumented. 3279 aInfo = new ActivityInfo(aInfo); 3280 aInfo.applicationInfo = getAppInfoForUser(aInfo.applicationInfo, userId); 3281 ProcessRecord app = getProcessRecordLocked(aInfo.processName, 3282 aInfo.applicationInfo.uid, true); 3283 if (app == null || app.instrumentationClass == null) { 3284 intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK); 3285 mStackSupervisor.startHomeActivity(intent, aInfo); 3286 } 3287 } 3288 3289 return true; 3290 } 3291 3292 private ActivityInfo resolveActivityInfo(Intent intent, int flags, int userId) { 3293 ActivityInfo ai = null; 3294 ComponentName comp = intent.getComponent(); 3295 try { 3296 if (comp != null) { 3297 ai = AppGlobals.getPackageManager().getActivityInfo(comp, flags, userId); 3298 } else { 3299 ResolveInfo info = AppGlobals.getPackageManager().resolveIntent( 3300 intent, 3301 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 3302 flags, userId); 3303 3304 if (info != null) { 3305 ai = info.activityInfo; 3306 } 3307 } 3308 } catch (RemoteException e) { 3309 // ignore 3310 } 3311 3312 return ai; 3313 } 3314 3315 /** 3316 * Starts the "new version setup screen" if appropriate. 3317 */ 3318 void startSetupActivityLocked() { 3319 // Only do this once per boot. 3320 if (mCheckedForSetup) { 3321 return; 3322 } 3323 3324 // We will show this screen if the current one is a different 3325 // version than the last one shown, and we are not running in 3326 // low-level factory test mode. 3327 final ContentResolver resolver = mContext.getContentResolver(); 3328 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL && 3329 Settings.Global.getInt(resolver, 3330 Settings.Global.DEVICE_PROVISIONED, 0) != 0) { 3331 mCheckedForSetup = true; 3332 3333 // See if we should be showing the platform update setup UI. 3334 Intent intent = new Intent(Intent.ACTION_UPGRADE_SETUP); 3335 List<ResolveInfo> ris = mContext.getPackageManager() 3336 .queryIntentActivities(intent, PackageManager.GET_META_DATA); 3337 3338 // We don't allow third party apps to replace this. 3339 ResolveInfo ri = null; 3340 for (int i=0; ris != null && i<ris.size(); i++) { 3341 if ((ris.get(i).activityInfo.applicationInfo.flags 3342 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3343 ri = ris.get(i); 3344 break; 3345 } 3346 } 3347 3348 if (ri != null) { 3349 String vers = ri.activityInfo.metaData != null 3350 ? ri.activityInfo.metaData.getString(Intent.METADATA_SETUP_VERSION) 3351 : null; 3352 if (vers == null && ri.activityInfo.applicationInfo.metaData != null) { 3353 vers = ri.activityInfo.applicationInfo.metaData.getString( 3354 Intent.METADATA_SETUP_VERSION); 3355 } 3356 String lastVers = Settings.Secure.getString( 3357 resolver, Settings.Secure.LAST_SETUP_SHOWN); 3358 if (vers != null && !vers.equals(lastVers)) { 3359 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 3360 intent.setComponent(new ComponentName( 3361 ri.activityInfo.packageName, ri.activityInfo.name)); 3362 mStackSupervisor.startActivityLocked(null, intent, null, ri.activityInfo, 3363 null, null, null, null, 0, 0, 0, null, 0, 0, 0, null, false, null, null, 3364 null); 3365 } 3366 } 3367 } 3368 } 3369 3370 CompatibilityInfo compatibilityInfoForPackageLocked(ApplicationInfo ai) { 3371 return mCompatModePackages.compatibilityInfoForPackageLocked(ai); 3372 } 3373 3374 void enforceNotIsolatedCaller(String caller) { 3375 if (UserHandle.isIsolated(Binder.getCallingUid())) { 3376 throw new SecurityException("Isolated process not allowed to call " + caller); 3377 } 3378 } 3379 3380 void enforceShellRestriction(String restriction, int userHandle) { 3381 if (Binder.getCallingUid() == Process.SHELL_UID) { 3382 if (userHandle < 0 3383 || mUserManager.hasUserRestriction(restriction, userHandle)) { 3384 throw new SecurityException("Shell does not have permission to access user " 3385 + userHandle); 3386 } 3387 } 3388 } 3389 3390 @Override 3391 public int getFrontActivityScreenCompatMode() { 3392 enforceNotIsolatedCaller("getFrontActivityScreenCompatMode"); 3393 synchronized (this) { 3394 return mCompatModePackages.getFrontActivityScreenCompatModeLocked(); 3395 } 3396 } 3397 3398 @Override 3399 public void setFrontActivityScreenCompatMode(int mode) { 3400 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3401 "setFrontActivityScreenCompatMode"); 3402 synchronized (this) { 3403 mCompatModePackages.setFrontActivityScreenCompatModeLocked(mode); 3404 } 3405 } 3406 3407 @Override 3408 public int getPackageScreenCompatMode(String packageName) { 3409 enforceNotIsolatedCaller("getPackageScreenCompatMode"); 3410 synchronized (this) { 3411 return mCompatModePackages.getPackageScreenCompatModeLocked(packageName); 3412 } 3413 } 3414 3415 @Override 3416 public void setPackageScreenCompatMode(String packageName, int mode) { 3417 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3418 "setPackageScreenCompatMode"); 3419 synchronized (this) { 3420 mCompatModePackages.setPackageScreenCompatModeLocked(packageName, mode); 3421 } 3422 } 3423 3424 @Override 3425 public boolean getPackageAskScreenCompat(String packageName) { 3426 enforceNotIsolatedCaller("getPackageAskScreenCompat"); 3427 synchronized (this) { 3428 return mCompatModePackages.getPackageAskCompatModeLocked(packageName); 3429 } 3430 } 3431 3432 @Override 3433 public void setPackageAskScreenCompat(String packageName, boolean ask) { 3434 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3435 "setPackageAskScreenCompat"); 3436 synchronized (this) { 3437 mCompatModePackages.setPackageAskCompatModeLocked(packageName, ask); 3438 } 3439 } 3440 3441 private void dispatchProcessesChanged() { 3442 int N; 3443 synchronized (this) { 3444 N = mPendingProcessChanges.size(); 3445 if (mActiveProcessChanges.length < N) { 3446 mActiveProcessChanges = new ProcessChangeItem[N]; 3447 } 3448 mPendingProcessChanges.toArray(mActiveProcessChanges); 3449 mAvailProcessChanges.addAll(mPendingProcessChanges); 3450 mPendingProcessChanges.clear(); 3451 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "*** Delivering " + N + " process changes"); 3452 } 3453 3454 int i = mProcessObservers.beginBroadcast(); 3455 while (i > 0) { 3456 i--; 3457 final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); 3458 if (observer != null) { 3459 try { 3460 for (int j=0; j<N; j++) { 3461 ProcessChangeItem item = mActiveProcessChanges[j]; 3462 if ((item.changes&ProcessChangeItem.CHANGE_ACTIVITIES) != 0) { 3463 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "ACTIVITIES CHANGED pid=" 3464 + item.pid + " uid=" + item.uid + ": " 3465 + item.foregroundActivities); 3466 observer.onForegroundActivitiesChanged(item.pid, item.uid, 3467 item.foregroundActivities); 3468 } 3469 if ((item.changes&ProcessChangeItem.CHANGE_PROCESS_STATE) != 0) { 3470 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "PROCSTATE CHANGED pid=" 3471 + item.pid + " uid=" + item.uid + ": " + item.processState); 3472 observer.onProcessStateChanged(item.pid, item.uid, item.processState); 3473 } 3474 } 3475 } catch (RemoteException e) { 3476 } 3477 } 3478 } 3479 mProcessObservers.finishBroadcast(); 3480 } 3481 3482 private void dispatchProcessDied(int pid, int uid) { 3483 int i = mProcessObservers.beginBroadcast(); 3484 while (i > 0) { 3485 i--; 3486 final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); 3487 if (observer != null) { 3488 try { 3489 observer.onProcessDied(pid, uid); 3490 } catch (RemoteException e) { 3491 } 3492 } 3493 } 3494 mProcessObservers.finishBroadcast(); 3495 } 3496 3497 @Override 3498 public final int startActivity(IApplicationThread caller, String callingPackage, 3499 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3500 int startFlags, ProfilerInfo profilerInfo, Bundle options) { 3501 return startActivityAsUser(caller, callingPackage, intent, resolvedType, resultTo, 3502 resultWho, requestCode, startFlags, profilerInfo, options, 3503 UserHandle.getCallingUserId()); 3504 } 3505 3506 @Override 3507 public final int startActivityAsUser(IApplicationThread caller, String callingPackage, 3508 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3509 int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) { 3510 enforceNotIsolatedCaller("startActivity"); 3511 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3512 false, ALLOW_FULL_ONLY, "startActivity", null); 3513 // TODO: Switch to user app stacks here. 3514 return mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, 3515 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3516 profilerInfo, null, null, options, userId, null, null); 3517 } 3518 3519 @Override 3520 public final int startActivityAsCaller(IApplicationThread caller, String callingPackage, 3521 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3522 int startFlags, ProfilerInfo profilerInfo, Bundle options) { 3523 3524 // This is very dangerous -- it allows you to perform a start activity (including 3525 // permission grants) as any app that may launch one of your own activities. So 3526 // we will only allow this to be done from activities that are part of the core framework, 3527 // and then only when they are running as the system. 3528 final ActivityRecord sourceRecord; 3529 final int targetUid; 3530 final String targetPackage; 3531 synchronized (this) { 3532 if (resultTo == null) { 3533 throw new SecurityException("Must be called from an activity"); 3534 } 3535 sourceRecord = mStackSupervisor.isInAnyStackLocked(resultTo); 3536 if (sourceRecord == null) { 3537 throw new SecurityException("Called with bad activity token: " + resultTo); 3538 } 3539 if (!sourceRecord.info.packageName.equals("android")) { 3540 throw new SecurityException( 3541 "Must be called from an activity that is declared in the android package"); 3542 } 3543 if (sourceRecord.app == null) { 3544 throw new SecurityException("Called without a process attached to activity"); 3545 } 3546 if (UserHandle.getAppId(sourceRecord.app.uid) != Process.SYSTEM_UID) { 3547 // This is still okay, as long as this activity is running under the 3548 // uid of the original calling activity. 3549 if (sourceRecord.app.uid != sourceRecord.launchedFromUid) { 3550 throw new SecurityException( 3551 "Calling activity in uid " + sourceRecord.app.uid 3552 + " must be system uid or original calling uid " 3553 + sourceRecord.launchedFromUid); 3554 } 3555 } 3556 targetUid = sourceRecord.launchedFromUid; 3557 targetPackage = sourceRecord.launchedFromPackage; 3558 } 3559 3560 // TODO: Switch to user app stacks here. 3561 try { 3562 int ret = mStackSupervisor.startActivityMayWait(null, targetUid, targetPackage, intent, 3563 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, null, 3564 null, null, options, UserHandle.getUserId(sourceRecord.app.uid), null, null); 3565 return ret; 3566 } catch (SecurityException e) { 3567 // XXX need to figure out how to propagate to original app. 3568 // A SecurityException here is generally actually a fault of the original 3569 // calling activity (such as a fairly granting permissions), so propagate it 3570 // back to them. 3571 /* 3572 StringBuilder msg = new StringBuilder(); 3573 msg.append("While launching"); 3574 msg.append(intent.toString()); 3575 msg.append(": "); 3576 msg.append(e.getMessage()); 3577 */ 3578 throw e; 3579 } 3580 } 3581 3582 @Override 3583 public final WaitResult startActivityAndWait(IApplicationThread caller, String callingPackage, 3584 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3585 int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) { 3586 enforceNotIsolatedCaller("startActivityAndWait"); 3587 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3588 false, ALLOW_FULL_ONLY, "startActivityAndWait", null); 3589 WaitResult res = new WaitResult(); 3590 // TODO: Switch to user app stacks here. 3591 mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType, 3592 null, null, resultTo, resultWho, requestCode, startFlags, profilerInfo, res, null, 3593 options, userId, null, null); 3594 return res; 3595 } 3596 3597 @Override 3598 public final int startActivityWithConfig(IApplicationThread caller, String callingPackage, 3599 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3600 int startFlags, Configuration config, Bundle options, int userId) { 3601 enforceNotIsolatedCaller("startActivityWithConfig"); 3602 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3603 false, ALLOW_FULL_ONLY, "startActivityWithConfig", null); 3604 // TODO: Switch to user app stacks here. 3605 int ret = mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, 3606 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3607 null, null, config, options, userId, null, null); 3608 return ret; 3609 } 3610 3611 @Override 3612 public int startActivityIntentSender(IApplicationThread caller, 3613 IntentSender intent, Intent fillInIntent, String resolvedType, 3614 IBinder resultTo, String resultWho, int requestCode, 3615 int flagsMask, int flagsValues, Bundle options) { 3616 enforceNotIsolatedCaller("startActivityIntentSender"); 3617 // Refuse possible leaked file descriptors 3618 if (fillInIntent != null && fillInIntent.hasFileDescriptors()) { 3619 throw new IllegalArgumentException("File descriptors passed in Intent"); 3620 } 3621 3622 IIntentSender sender = intent.getTarget(); 3623 if (!(sender instanceof PendingIntentRecord)) { 3624 throw new IllegalArgumentException("Bad PendingIntent object"); 3625 } 3626 3627 PendingIntentRecord pir = (PendingIntentRecord)sender; 3628 3629 synchronized (this) { 3630 // If this is coming from the currently resumed activity, it is 3631 // effectively saying that app switches are allowed at this point. 3632 final ActivityStack stack = getFocusedStack(); 3633 if (stack.mResumedActivity != null && 3634 stack.mResumedActivity.info.applicationInfo.uid == Binder.getCallingUid()) { 3635 mAppSwitchesAllowedTime = 0; 3636 } 3637 } 3638 int ret = pir.sendInner(0, fillInIntent, resolvedType, null, null, 3639 resultTo, resultWho, requestCode, flagsMask, flagsValues, options, null); 3640 return ret; 3641 } 3642 3643 @Override 3644 public int startVoiceActivity(String callingPackage, int callingPid, int callingUid, 3645 Intent intent, String resolvedType, IVoiceInteractionSession session, 3646 IVoiceInteractor interactor, int startFlags, ProfilerInfo profilerInfo, 3647 Bundle options, int userId) { 3648 if (checkCallingPermission(Manifest.permission.BIND_VOICE_INTERACTION) 3649 != PackageManager.PERMISSION_GRANTED) { 3650 String msg = "Permission Denial: startVoiceActivity() from pid=" 3651 + Binder.getCallingPid() 3652 + ", uid=" + Binder.getCallingUid() 3653 + " requires " + android.Manifest.permission.BIND_VOICE_INTERACTION; 3654 Slog.w(TAG, msg); 3655 throw new SecurityException(msg); 3656 } 3657 if (session == null || interactor == null) { 3658 throw new NullPointerException("null session or interactor"); 3659 } 3660 userId = handleIncomingUser(callingPid, callingUid, userId, 3661 false, ALLOW_FULL_ONLY, "startVoiceActivity", null); 3662 // TODO: Switch to user app stacks here. 3663 return mStackSupervisor.startActivityMayWait(null, callingUid, callingPackage, intent, 3664 resolvedType, session, interactor, null, null, 0, startFlags, profilerInfo, null, 3665 null, options, userId, null, null); 3666 } 3667 3668 @Override 3669 public boolean startNextMatchingActivity(IBinder callingActivity, 3670 Intent intent, Bundle options) { 3671 // Refuse possible leaked file descriptors 3672 if (intent != null && intent.hasFileDescriptors() == true) { 3673 throw new IllegalArgumentException("File descriptors passed in Intent"); 3674 } 3675 3676 synchronized (this) { 3677 final ActivityRecord r = ActivityRecord.isInStackLocked(callingActivity); 3678 if (r == null) { 3679 ActivityOptions.abort(options); 3680 return false; 3681 } 3682 if (r.app == null || r.app.thread == null) { 3683 // The caller is not running... d'oh! 3684 ActivityOptions.abort(options); 3685 return false; 3686 } 3687 intent = new Intent(intent); 3688 // The caller is not allowed to change the data. 3689 intent.setDataAndType(r.intent.getData(), r.intent.getType()); 3690 // And we are resetting to find the next component... 3691 intent.setComponent(null); 3692 3693 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3694 3695 ActivityInfo aInfo = null; 3696 try { 3697 List<ResolveInfo> resolves = 3698 AppGlobals.getPackageManager().queryIntentActivities( 3699 intent, r.resolvedType, 3700 PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS, 3701 UserHandle.getCallingUserId()); 3702 3703 // Look for the original activity in the list... 3704 final int N = resolves != null ? resolves.size() : 0; 3705 for (int i=0; i<N; i++) { 3706 ResolveInfo rInfo = resolves.get(i); 3707 if (rInfo.activityInfo.packageName.equals(r.packageName) 3708 && rInfo.activityInfo.name.equals(r.info.name)) { 3709 // We found the current one... the next matching is 3710 // after it. 3711 i++; 3712 if (i<N) { 3713 aInfo = resolves.get(i).activityInfo; 3714 } 3715 if (debug) { 3716 Slog.v(TAG, "Next matching activity: found current " + r.packageName 3717 + "/" + r.info.name); 3718 Slog.v(TAG, "Next matching activity: next is " + aInfo.packageName 3719 + "/" + aInfo.name); 3720 } 3721 break; 3722 } 3723 } 3724 } catch (RemoteException e) { 3725 } 3726 3727 if (aInfo == null) { 3728 // Nobody who is next! 3729 ActivityOptions.abort(options); 3730 if (debug) Slog.d(TAG, "Next matching activity: nothing found"); 3731 return false; 3732 } 3733 3734 intent.setComponent(new ComponentName( 3735 aInfo.applicationInfo.packageName, aInfo.name)); 3736 intent.setFlags(intent.getFlags()&~( 3737 Intent.FLAG_ACTIVITY_FORWARD_RESULT| 3738 Intent.FLAG_ACTIVITY_CLEAR_TOP| 3739 Intent.FLAG_ACTIVITY_MULTIPLE_TASK| 3740 Intent.FLAG_ACTIVITY_NEW_TASK)); 3741 3742 // Okay now we need to start the new activity, replacing the 3743 // currently running activity. This is a little tricky because 3744 // we want to start the new one as if the current one is finished, 3745 // but not finish the current one first so that there is no flicker. 3746 // And thus... 3747 final boolean wasFinishing = r.finishing; 3748 r.finishing = true; 3749 3750 // Propagate reply information over to the new activity. 3751 final ActivityRecord resultTo = r.resultTo; 3752 final String resultWho = r.resultWho; 3753 final int requestCode = r.requestCode; 3754 r.resultTo = null; 3755 if (resultTo != null) { 3756 resultTo.removeResultsLocked(r, resultWho, requestCode); 3757 } 3758 3759 final long origId = Binder.clearCallingIdentity(); 3760 int res = mStackSupervisor.startActivityLocked(r.app.thread, intent, 3761 r.resolvedType, aInfo, null, null, resultTo != null ? resultTo.appToken : null, 3762 resultWho, requestCode, -1, r.launchedFromUid, r.launchedFromPackage, 3763 -1, r.launchedFromUid, 0, options, false, null, null, null); 3764 Binder.restoreCallingIdentity(origId); 3765 3766 r.finishing = wasFinishing; 3767 if (res != ActivityManager.START_SUCCESS) { 3768 return false; 3769 } 3770 return true; 3771 } 3772 } 3773 3774 @Override 3775 public final int startActivityFromRecents(int taskId, Bundle options) { 3776 if (checkCallingPermission(START_TASKS_FROM_RECENTS) != PackageManager.PERMISSION_GRANTED) { 3777 String msg = "Permission Denial: startActivityFromRecents called without " + 3778 START_TASKS_FROM_RECENTS; 3779 Slog.w(TAG, msg); 3780 throw new SecurityException(msg); 3781 } 3782 return startActivityFromRecentsInner(taskId, options); 3783 } 3784 3785 final int startActivityFromRecentsInner(int taskId, Bundle options) { 3786 final TaskRecord task; 3787 final int callingUid; 3788 final String callingPackage; 3789 final Intent intent; 3790 final int userId; 3791 synchronized (this) { 3792 task = recentTaskForIdLocked(taskId); 3793 if (task == null) { 3794 throw new IllegalArgumentException("Task " + taskId + " not found."); 3795 } 3796 callingUid = task.mCallingUid; 3797 callingPackage = task.mCallingPackage; 3798 intent = task.intent; 3799 intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY); 3800 userId = task.userId; 3801 } 3802 return startActivityInPackage(callingUid, callingPackage, intent, null, null, null, 0, 0, 3803 options, userId, null, task); 3804 } 3805 3806 final int startActivityInPackage(int uid, String callingPackage, 3807 Intent intent, String resolvedType, IBinder resultTo, 3808 String resultWho, int requestCode, int startFlags, Bundle options, int userId, 3809 IActivityContainer container, TaskRecord inTask) { 3810 3811 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3812 false, ALLOW_FULL_ONLY, "startActivityInPackage", null); 3813 3814 // TODO: Switch to user app stacks here. 3815 int ret = mStackSupervisor.startActivityMayWait(null, uid, callingPackage, intent, 3816 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3817 null, null, null, options, userId, container, inTask); 3818 return ret; 3819 } 3820 3821 @Override 3822 public final int startActivities(IApplicationThread caller, String callingPackage, 3823 Intent[] intents, String[] resolvedTypes, IBinder resultTo, Bundle options, 3824 int userId) { 3825 enforceNotIsolatedCaller("startActivities"); 3826 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3827 false, ALLOW_FULL_ONLY, "startActivity", null); 3828 // TODO: Switch to user app stacks here. 3829 int ret = mStackSupervisor.startActivities(caller, -1, callingPackage, intents, 3830 resolvedTypes, resultTo, options, userId); 3831 return ret; 3832 } 3833 3834 final int startActivitiesInPackage(int uid, String callingPackage, 3835 Intent[] intents, String[] resolvedTypes, IBinder resultTo, 3836 Bundle options, int userId) { 3837 3838 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3839 false, ALLOW_FULL_ONLY, "startActivityInPackage", null); 3840 // TODO: Switch to user app stacks here. 3841 int ret = mStackSupervisor.startActivities(null, uid, callingPackage, intents, resolvedTypes, 3842 resultTo, options, userId); 3843 return ret; 3844 } 3845 3846 //explicitly remove thd old information in mRecentTasks when removing existing user. 3847 private void removeRecentTasksForUserLocked(int userId) { 3848 if(userId <= 0) { 3849 Slog.i(TAG, "Can't remove recent task on user " + userId); 3850 return; 3851 } 3852 3853 for (int i = mRecentTasks.size() - 1; i >= 0; --i) { 3854 TaskRecord tr = mRecentTasks.get(i); 3855 if (tr.userId == userId) { 3856 if(DEBUG_TASKS) Slog.i(TAG, "remove RecentTask " + tr 3857 + " when finishing user" + userId); 3858 mRecentTasks.remove(i); 3859 tr.removedFromRecents(mTaskPersister); 3860 } 3861 } 3862 3863 // Remove tasks from persistent storage. 3864 mTaskPersister.wakeup(null, true); 3865 } 3866 3867 // Sort by taskId 3868 private Comparator<TaskRecord> mTaskRecordComparator = new Comparator<TaskRecord>() { 3869 @Override 3870 public int compare(TaskRecord lhs, TaskRecord rhs) { 3871 return rhs.taskId - lhs.taskId; 3872 } 3873 }; 3874 3875 // Extract the affiliates of the chain containing mRecentTasks[start]. 3876 private int processNextAffiliateChain(int start) { 3877 final TaskRecord startTask = mRecentTasks.get(start); 3878 final int affiliateId = startTask.mAffiliatedTaskId; 3879 3880 // Quick identification of isolated tasks. I.e. those not launched behind. 3881 if (startTask.taskId == affiliateId && startTask.mPrevAffiliate == null && 3882 startTask.mNextAffiliate == null) { 3883 // There is still a slim chance that there are other tasks that point to this task 3884 // and that the chain is so messed up that this task no longer points to them but 3885 // the gain of this optimization outweighs the risk. 3886 startTask.inRecents = true; 3887 return start + 1; 3888 } 3889 3890 // Remove all tasks that are affiliated to affiliateId and put them in mTmpRecents. 3891 mTmpRecents.clear(); 3892 for (int i = mRecentTasks.size() - 1; i >= start; --i) { 3893 final TaskRecord task = mRecentTasks.get(i); 3894 if (task.mAffiliatedTaskId == affiliateId) { 3895 mRecentTasks.remove(i); 3896 mTmpRecents.add(task); 3897 } 3898 } 3899 3900 // Sort them all by taskId. That is the order they were create in and that order will 3901 // always be correct. 3902 Collections.sort(mTmpRecents, mTaskRecordComparator); 3903 3904 // Go through and fix up the linked list. 3905 // The first one is the end of the chain and has no next. 3906 final TaskRecord first = mTmpRecents.get(0); 3907 first.inRecents = true; 3908 if (first.mNextAffiliate != null) { 3909 Slog.w(TAG, "Link error 1 first.next=" + first.mNextAffiliate); 3910 first.setNextAffiliate(null); 3911 mTaskPersister.wakeup(first, false); 3912 } 3913 // Everything in the middle is doubly linked from next to prev. 3914 final int tmpSize = mTmpRecents.size(); 3915 for (int i = 0; i < tmpSize - 1; ++i) { 3916 final TaskRecord next = mTmpRecents.get(i); 3917 final TaskRecord prev = mTmpRecents.get(i + 1); 3918 if (next.mPrevAffiliate != prev) { 3919 Slog.w(TAG, "Link error 2 next=" + next + " prev=" + next.mPrevAffiliate + 3920 " setting prev=" + prev); 3921 next.setPrevAffiliate(prev); 3922 mTaskPersister.wakeup(next, false); 3923 } 3924 if (prev.mNextAffiliate != next) { 3925 Slog.w(TAG, "Link error 3 prev=" + prev + " next=" + prev.mNextAffiliate + 3926 " setting next=" + next); 3927 prev.setNextAffiliate(next); 3928 mTaskPersister.wakeup(prev, false); 3929 } 3930 prev.inRecents = true; 3931 } 3932 // The last one is the beginning of the list and has no prev. 3933 final TaskRecord last = mTmpRecents.get(tmpSize - 1); 3934 if (last.mPrevAffiliate != null) { 3935 Slog.w(TAG, "Link error 4 last.prev=" + last.mPrevAffiliate); 3936 last.setPrevAffiliate(null); 3937 mTaskPersister.wakeup(last, false); 3938 } 3939 3940 // Insert the group back into mRecentTasks at start. 3941 mRecentTasks.addAll(start, mTmpRecents); 3942 3943 // Let the caller know where we left off. 3944 return start + tmpSize; 3945 } 3946 3947 /** 3948 * Update the recent tasks lists: make sure tasks should still be here (their 3949 * applications / activities still exist), update their availability, fixup ordering 3950 * of affiliations. 3951 */ 3952 void cleanupRecentTasksLocked(int userId) { 3953 if (mRecentTasks == null) { 3954 // Happens when called from the packagemanager broadcast before boot. 3955 return; 3956 } 3957 3958 final HashMap<ComponentName, ActivityInfo> availActCache = new HashMap<>(); 3959 final HashMap<String, ApplicationInfo> availAppCache = new HashMap<>(); 3960 final IPackageManager pm = AppGlobals.getPackageManager(); 3961 final ActivityInfo dummyAct = new ActivityInfo(); 3962 final ApplicationInfo dummyApp = new ApplicationInfo(); 3963 3964 int N = mRecentTasks.size(); 3965 3966 int[] users = userId == UserHandle.USER_ALL 3967 ? getUsersLocked() : new int[] { userId }; 3968 for (int user : users) { 3969 for (int i = 0; i < N; i++) { 3970 TaskRecord task = mRecentTasks.get(i); 3971 if (task.userId != user) { 3972 // Only look at tasks for the user ID of interest. 3973 continue; 3974 } 3975 if (task.autoRemoveRecents && task.getTopActivity() == null) { 3976 // This situation is broken, and we should just get rid of it now. 3977 mRecentTasks.remove(i); 3978 task.removedFromRecents(mTaskPersister); 3979 i--; 3980 N--; 3981 Slog.w(TAG, "Removing auto-remove without activity: " + task); 3982 continue; 3983 } 3984 // Check whether this activity is currently available. 3985 if (task.realActivity != null) { 3986 ActivityInfo ai = availActCache.get(task.realActivity); 3987 if (ai == null) { 3988 try { 3989 ai = pm.getActivityInfo(task.realActivity, 3990 PackageManager.GET_UNINSTALLED_PACKAGES 3991 | PackageManager.GET_DISABLED_COMPONENTS, user); 3992 } catch (RemoteException e) { 3993 // Will never happen. 3994 continue; 3995 } 3996 if (ai == null) { 3997 ai = dummyAct; 3998 } 3999 availActCache.put(task.realActivity, ai); 4000 } 4001 if (ai == dummyAct) { 4002 // This could be either because the activity no longer exists, or the 4003 // app is temporarily gone. For the former we want to remove the recents 4004 // entry; for the latter we want to mark it as unavailable. 4005 ApplicationInfo app = availAppCache.get(task.realActivity.getPackageName()); 4006 if (app == null) { 4007 try { 4008 app = pm.getApplicationInfo(task.realActivity.getPackageName(), 4009 PackageManager.GET_UNINSTALLED_PACKAGES 4010 | PackageManager.GET_DISABLED_COMPONENTS, user); 4011 } catch (RemoteException e) { 4012 // Will never happen. 4013 continue; 4014 } 4015 if (app == null) { 4016 app = dummyApp; 4017 } 4018 availAppCache.put(task.realActivity.getPackageName(), app); 4019 } 4020 if (app == dummyApp || (app.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { 4021 // Doesn't exist any more! Good-bye. 4022 mRecentTasks.remove(i); 4023 task.removedFromRecents(mTaskPersister); 4024 i--; 4025 N--; 4026 Slog.w(TAG, "Removing no longer valid recent: " + task); 4027 continue; 4028 } else { 4029 // Otherwise just not available for now. 4030 if (task.isAvailable) { 4031 if (DEBUG_RECENTS) Slog.d(TAG, "Making recent unavailable: " 4032 + task); 4033 } 4034 task.isAvailable = false; 4035 } 4036 } else { 4037 if (!ai.enabled || !ai.applicationInfo.enabled 4038 || (ai.applicationInfo.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { 4039 if (task.isAvailable) { 4040 if (DEBUG_RECENTS) Slog.d(TAG, "Making recent unavailable: " 4041 + task + " (enabled=" + ai.enabled + "/" 4042 + ai.applicationInfo.enabled + " flags=" 4043 + Integer.toHexString(ai.applicationInfo.flags) + ")"); 4044 } 4045 task.isAvailable = false; 4046 } else { 4047 if (!task.isAvailable) { 4048 if (DEBUG_RECENTS) Slog.d(TAG, "Making recent available: " 4049 + task); 4050 } 4051 task.isAvailable = true; 4052 } 4053 } 4054 } 4055 } 4056 } 4057 4058 // Verify the affiliate chain for each task. 4059 for (int i = 0; i < N; i = processNextAffiliateChain(i)) { 4060 } 4061 4062 mTmpRecents.clear(); 4063 // mRecentTasks is now in sorted, affiliated order. 4064 } 4065 4066 private final boolean moveAffiliatedTasksToFront(TaskRecord task, int taskIndex) { 4067 int N = mRecentTasks.size(); 4068 TaskRecord top = task; 4069 int topIndex = taskIndex; 4070 while (top.mNextAffiliate != null && topIndex > 0) { 4071 top = top.mNextAffiliate; 4072 topIndex--; 4073 } 4074 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: adding affilliates starting at " 4075 + topIndex + " from intial " + taskIndex); 4076 // Find the end of the chain, doing a sanity check along the way. 4077 boolean sane = top.mAffiliatedTaskId == task.mAffiliatedTaskId; 4078 int endIndex = topIndex; 4079 TaskRecord prev = top; 4080 while (endIndex < N) { 4081 TaskRecord cur = mRecentTasks.get(endIndex); 4082 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: looking at next chain @" 4083 + endIndex + " " + cur); 4084 if (cur == top) { 4085 // Verify start of the chain. 4086 if (cur.mNextAffiliate != null || cur.mNextAffiliateTaskId != -1) { 4087 Slog.wtf(TAG, "Bad chain @" + endIndex 4088 + ": first task has next affiliate: " + prev); 4089 sane = false; 4090 break; 4091 } 4092 } else { 4093 // Verify middle of the chain's next points back to the one before. 4094 if (cur.mNextAffiliate != prev 4095 || cur.mNextAffiliateTaskId != prev.taskId) { 4096 Slog.wtf(TAG, "Bad chain @" + endIndex 4097 + ": middle task " + cur + " @" + endIndex 4098 + " has bad next affiliate " 4099 + cur.mNextAffiliate + " id " + cur.mNextAffiliateTaskId 4100 + ", expected " + prev); 4101 sane = false; 4102 break; 4103 } 4104 } 4105 if (cur.mPrevAffiliateTaskId == -1) { 4106 // Chain ends here. 4107 if (cur.mPrevAffiliate != null) { 4108 Slog.wtf(TAG, "Bad chain @" + endIndex 4109 + ": last task " + cur + " has previous affiliate " 4110 + cur.mPrevAffiliate); 4111 sane = false; 4112 } 4113 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: end of chain @" + endIndex); 4114 break; 4115 } else { 4116 // Verify middle of the chain's prev points to a valid item. 4117 if (cur.mPrevAffiliate == null) { 4118 Slog.wtf(TAG, "Bad chain @" + endIndex 4119 + ": task " + cur + " has previous affiliate " 4120 + cur.mPrevAffiliate + " but should be id " 4121 + cur.mPrevAffiliate); 4122 sane = false; 4123 break; 4124 } 4125 } 4126 if (cur.mAffiliatedTaskId != task.mAffiliatedTaskId) { 4127 Slog.wtf(TAG, "Bad chain @" + endIndex 4128 + ": task " + cur + " has affiliated id " 4129 + cur.mAffiliatedTaskId + " but should be " 4130 + task.mAffiliatedTaskId); 4131 sane = false; 4132 break; 4133 } 4134 prev = cur; 4135 endIndex++; 4136 if (endIndex >= N) { 4137 Slog.wtf(TAG, "Bad chain ran off index " + endIndex 4138 + ": last task " + prev); 4139 sane = false; 4140 break; 4141 } 4142 } 4143 if (sane) { 4144 if (endIndex < taskIndex) { 4145 Slog.wtf(TAG, "Bad chain @" + endIndex 4146 + ": did not extend to task " + task + " @" + taskIndex); 4147 sane = false; 4148 } 4149 } 4150 if (sane) { 4151 // All looks good, we can just move all of the affiliated tasks 4152 // to the top. 4153 for (int i=topIndex; i<=endIndex; i++) { 4154 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: moving affiliated " + task 4155 + " from " + i + " to " + (i-topIndex)); 4156 TaskRecord cur = mRecentTasks.remove(i); 4157 mRecentTasks.add(i-topIndex, cur); 4158 } 4159 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: done moving tasks " + topIndex 4160 + " to " + endIndex); 4161 return true; 4162 } 4163 4164 // Whoops, couldn't do it. 4165 return false; 4166 } 4167 4168 final void addRecentTaskLocked(TaskRecord task) { 4169 final boolean isAffiliated = task.mAffiliatedTaskId != task.taskId 4170 || task.mNextAffiliateTaskId != -1 || task.mPrevAffiliateTaskId != -1; 4171 4172 int N = mRecentTasks.size(); 4173 // Quick case: check if the top-most recent task is the same. 4174 if (!isAffiliated && N > 0 && mRecentTasks.get(0) == task) { 4175 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: already at top: " + task); 4176 return; 4177 } 4178 // Another quick case: check if this is part of a set of affiliated 4179 // tasks that are at the top. 4180 if (isAffiliated && N > 0 && task.inRecents 4181 && task.mAffiliatedTaskId == mRecentTasks.get(0).mAffiliatedTaskId) { 4182 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: affiliated " + mRecentTasks.get(0) 4183 + " at top when adding " + task); 4184 return; 4185 } 4186 // Another quick case: never add voice sessions. 4187 if (task.voiceSession != null) { 4188 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: not adding voice interaction " + task); 4189 return; 4190 } 4191 4192 boolean needAffiliationFix = false; 4193 4194 // Slightly less quick case: the task is already in recents, so all we need 4195 // to do is move it. 4196 if (task.inRecents) { 4197 int taskIndex = mRecentTasks.indexOf(task); 4198 if (taskIndex >= 0) { 4199 if (!isAffiliated) { 4200 // Simple case: this is not an affiliated task, so we just move it to the front. 4201 mRecentTasks.remove(taskIndex); 4202 mRecentTasks.add(0, task); 4203 notifyTaskPersisterLocked(task, false); 4204 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: moving to top " + task 4205 + " from " + taskIndex); 4206 return; 4207 } else { 4208 // More complicated: need to keep all affiliated tasks together. 4209 if (moveAffiliatedTasksToFront(task, taskIndex)) { 4210 // All went well. 4211 return; 4212 } 4213 4214 // Uh oh... something bad in the affiliation chain, try to rebuild 4215 // everything and then go through our general path of adding a new task. 4216 needAffiliationFix = true; 4217 } 4218 } else { 4219 Slog.wtf(TAG, "Task with inRecent not in recents: " + task); 4220 needAffiliationFix = true; 4221 } 4222 } 4223 4224 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: trimming tasks for " + task); 4225 trimRecentsForTask(task, true); 4226 4227 N = mRecentTasks.size(); 4228 while (N >= ActivityManager.getMaxRecentTasksStatic()) { 4229 final TaskRecord tr = mRecentTasks.remove(N - 1); 4230 tr.removedFromRecents(mTaskPersister); 4231 N--; 4232 } 4233 task.inRecents = true; 4234 if (!isAffiliated || needAffiliationFix) { 4235 // If this is a simple non-affiliated task, or we had some failure trying to 4236 // handle it as part of an affilated task, then just place it at the top. 4237 mRecentTasks.add(0, task); 4238 } else if (isAffiliated) { 4239 // If this is a new affiliated task, then move all of the affiliated tasks 4240 // to the front and insert this new one. 4241 TaskRecord other = task.mNextAffiliate; 4242 if (other == null) { 4243 other = task.mPrevAffiliate; 4244 } 4245 if (other != null) { 4246 int otherIndex = mRecentTasks.indexOf(other); 4247 if (otherIndex >= 0) { 4248 // Insert new task at appropriate location. 4249 int taskIndex; 4250 if (other == task.mNextAffiliate) { 4251 // We found the index of our next affiliation, which is who is 4252 // before us in the list, so add after that point. 4253 taskIndex = otherIndex+1; 4254 } else { 4255 // We found the index of our previous affiliation, which is who is 4256 // after us in the list, so add at their position. 4257 taskIndex = otherIndex; 4258 } 4259 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: new affiliated task added at " 4260 + taskIndex + ": " + task); 4261 mRecentTasks.add(taskIndex, task); 4262 4263 // Now move everything to the front. 4264 if (moveAffiliatedTasksToFront(task, taskIndex)) { 4265 // All went well. 4266 return; 4267 } 4268 4269 // Uh oh... something bad in the affiliation chain, try to rebuild 4270 // everything and then go through our general path of adding a new task. 4271 needAffiliationFix = true; 4272 } else { 4273 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: couldn't find other affiliation " 4274 + other); 4275 needAffiliationFix = true; 4276 } 4277 } else { 4278 if (DEBUG_RECENTS) Slog.d(TAG, 4279 "addRecent: adding affiliated task without next/prev:" + task); 4280 needAffiliationFix = true; 4281 } 4282 } 4283 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: adding " + task); 4284 4285 if (needAffiliationFix) { 4286 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: regrouping affiliations"); 4287 cleanupRecentTasksLocked(task.userId); 4288 } 4289 } 4290 4291 /** 4292 * If needed, remove oldest existing entries in recents that are for the same kind 4293 * of task as the given one. 4294 */ 4295 int trimRecentsForTask(TaskRecord task, boolean doTrim) { 4296 int N = mRecentTasks.size(); 4297 final Intent intent = task.intent; 4298 final boolean document = intent != null && intent.isDocument(); 4299 4300 int maxRecents = task.maxRecents - 1; 4301 for (int i=0; i<N; i++) { 4302 final TaskRecord tr = mRecentTasks.get(i); 4303 if (task != tr) { 4304 if (task.userId != tr.userId) { 4305 continue; 4306 } 4307 if (i > MAX_RECENT_BITMAPS) { 4308 tr.freeLastThumbnail(); 4309 } 4310 final Intent trIntent = tr.intent; 4311 if ((task.affinity == null || !task.affinity.equals(tr.affinity)) && 4312 (intent == null || !intent.filterEquals(trIntent))) { 4313 continue; 4314 } 4315 final boolean trIsDocument = trIntent != null && trIntent.isDocument(); 4316 if (document && trIsDocument) { 4317 // These are the same document activity (not necessarily the same doc). 4318 if (maxRecents > 0) { 4319 --maxRecents; 4320 continue; 4321 } 4322 // Hit the maximum number of documents for this task. Fall through 4323 // and remove this document from recents. 4324 } else if (document || trIsDocument) { 4325 // Only one of these is a document. Not the droid we're looking for. 4326 continue; 4327 } 4328 } 4329 4330 if (!doTrim) { 4331 // If the caller is not actually asking for a trim, just tell them we reached 4332 // a point where the trim would happen. 4333 return i; 4334 } 4335 4336 // Either task and tr are the same or, their affinities match or their intents match 4337 // and neither of them is a document, or they are documents using the same activity 4338 // and their maxRecents has been reached. 4339 tr.disposeThumbnail(); 4340 mRecentTasks.remove(i); 4341 if (task != tr) { 4342 tr.removedFromRecents(mTaskPersister); 4343 } 4344 i--; 4345 N--; 4346 if (task.intent == null) { 4347 // If the new recent task we are adding is not fully 4348 // specified, then replace it with the existing recent task. 4349 task = tr; 4350 } 4351 notifyTaskPersisterLocked(tr, false); 4352 } 4353 4354 return -1; 4355 } 4356 4357 @Override 4358 public void reportActivityFullyDrawn(IBinder token) { 4359 synchronized (this) { 4360 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4361 if (r == null) { 4362 return; 4363 } 4364 r.reportFullyDrawnLocked(); 4365 } 4366 } 4367 4368 @Override 4369 public void setRequestedOrientation(IBinder token, int requestedOrientation) { 4370 synchronized (this) { 4371 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4372 if (r == null) { 4373 return; 4374 } 4375 final long origId = Binder.clearCallingIdentity(); 4376 mWindowManager.setAppOrientation(r.appToken, requestedOrientation); 4377 Configuration config = mWindowManager.updateOrientationFromAppTokens( 4378 mConfiguration, r.mayFreezeScreenLocked(r.app) ? r.appToken : null); 4379 if (config != null) { 4380 r.frozenBeforeDestroy = true; 4381 if (!updateConfigurationLocked(config, r, false, false)) { 4382 mStackSupervisor.resumeTopActivitiesLocked(); 4383 } 4384 } 4385 Binder.restoreCallingIdentity(origId); 4386 } 4387 } 4388 4389 @Override 4390 public int getRequestedOrientation(IBinder token) { 4391 synchronized (this) { 4392 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4393 if (r == null) { 4394 return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 4395 } 4396 return mWindowManager.getAppOrientation(r.appToken); 4397 } 4398 } 4399 4400 /** 4401 * This is the internal entry point for handling Activity.finish(). 4402 * 4403 * @param token The Binder token referencing the Activity we want to finish. 4404 * @param resultCode Result code, if any, from this Activity. 4405 * @param resultData Result data (Intent), if any, from this Activity. 4406 * @param finishTask Whether to finish the task associated with this Activity. Only applies to 4407 * the root Activity in the task. 4408 * 4409 * @return Returns true if the activity successfully finished, or false if it is still running. 4410 */ 4411 @Override 4412 public final boolean finishActivity(IBinder token, int resultCode, Intent resultData, 4413 boolean finishTask) { 4414 // Refuse possible leaked file descriptors 4415 if (resultData != null && resultData.hasFileDescriptors() == true) { 4416 throw new IllegalArgumentException("File descriptors passed in Intent"); 4417 } 4418 4419 synchronized(this) { 4420 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4421 if (r == null) { 4422 return true; 4423 } 4424 // Keep track of the root activity of the task before we finish it 4425 TaskRecord tr = r.task; 4426 ActivityRecord rootR = tr.getRootActivity(); 4427 // Do not allow task to finish in Lock Task mode. 4428 if (tr == mStackSupervisor.mLockTaskModeTask) { 4429 if (rootR == r) { 4430 mStackSupervisor.showLockTaskToast(); 4431 return false; 4432 } 4433 } 4434 if (mController != null) { 4435 // Find the first activity that is not finishing. 4436 ActivityRecord next = r.task.stack.topRunningActivityLocked(token, 0); 4437 if (next != null) { 4438 // ask watcher if this is allowed 4439 boolean resumeOK = true; 4440 try { 4441 resumeOK = mController.activityResuming(next.packageName); 4442 } catch (RemoteException e) { 4443 mController = null; 4444 Watchdog.getInstance().setActivityController(null); 4445 } 4446 4447 if (!resumeOK) { 4448 return false; 4449 } 4450 } 4451 } 4452 final long origId = Binder.clearCallingIdentity(); 4453 try { 4454 boolean res; 4455 if (finishTask && r == rootR) { 4456 // If requested, remove the task that is associated to this activity only if it 4457 // was the root activity in the task. The result code and data is ignored because 4458 // we don't support returning them across task boundaries. 4459 res = removeTaskByIdLocked(tr.taskId, 0); 4460 } else { 4461 res = tr.stack.requestFinishActivityLocked(token, resultCode, 4462 resultData, "app-request", true); 4463 } 4464 return res; 4465 } finally { 4466 Binder.restoreCallingIdentity(origId); 4467 } 4468 } 4469 } 4470 4471 @Override 4472 public final void finishHeavyWeightApp() { 4473 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 4474 != PackageManager.PERMISSION_GRANTED) { 4475 String msg = "Permission Denial: finishHeavyWeightApp() from pid=" 4476 + Binder.getCallingPid() 4477 + ", uid=" + Binder.getCallingUid() 4478 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 4479 Slog.w(TAG, msg); 4480 throw new SecurityException(msg); 4481 } 4482 4483 synchronized(this) { 4484 if (mHeavyWeightProcess == null) { 4485 return; 4486 } 4487 4488 ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>( 4489 mHeavyWeightProcess.activities); 4490 for (int i=0; i<activities.size(); i++) { 4491 ActivityRecord r = activities.get(i); 4492 if (!r.finishing) { 4493 r.task.stack.finishActivityLocked(r, Activity.RESULT_CANCELED, 4494 null, "finish-heavy", true); 4495 } 4496 } 4497 4498 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 4499 mHeavyWeightProcess.userId, 0)); 4500 mHeavyWeightProcess = null; 4501 } 4502 } 4503 4504 @Override 4505 public void crashApplication(int uid, int initialPid, String packageName, 4506 String message) { 4507 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 4508 != PackageManager.PERMISSION_GRANTED) { 4509 String msg = "Permission Denial: crashApplication() from pid=" 4510 + Binder.getCallingPid() 4511 + ", uid=" + Binder.getCallingUid() 4512 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 4513 Slog.w(TAG, msg); 4514 throw new SecurityException(msg); 4515 } 4516 4517 synchronized(this) { 4518 ProcessRecord proc = null; 4519 4520 // Figure out which process to kill. We don't trust that initialPid 4521 // still has any relation to current pids, so must scan through the 4522 // list. 4523 synchronized (mPidsSelfLocked) { 4524 for (int i=0; i<mPidsSelfLocked.size(); i++) { 4525 ProcessRecord p = mPidsSelfLocked.valueAt(i); 4526 if (p.uid != uid) { 4527 continue; 4528 } 4529 if (p.pid == initialPid) { 4530 proc = p; 4531 break; 4532 } 4533 if (p.pkgList.containsKey(packageName)) { 4534 proc = p; 4535 } 4536 } 4537 } 4538 4539 if (proc == null) { 4540 Slog.w(TAG, "crashApplication: nothing for uid=" + uid 4541 + " initialPid=" + initialPid 4542 + " packageName=" + packageName); 4543 return; 4544 } 4545 4546 if (proc.thread != null) { 4547 if (proc.pid == Process.myPid()) { 4548 Log.w(TAG, "crashApplication: trying to crash self!"); 4549 return; 4550 } 4551 long ident = Binder.clearCallingIdentity(); 4552 try { 4553 proc.thread.scheduleCrash(message); 4554 } catch (RemoteException e) { 4555 } 4556 Binder.restoreCallingIdentity(ident); 4557 } 4558 } 4559 } 4560 4561 @Override 4562 public final void finishSubActivity(IBinder token, String resultWho, 4563 int requestCode) { 4564 synchronized(this) { 4565 final long origId = Binder.clearCallingIdentity(); 4566 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4567 if (r != null) { 4568 r.task.stack.finishSubActivityLocked(r, resultWho, requestCode); 4569 } 4570 Binder.restoreCallingIdentity(origId); 4571 } 4572 } 4573 4574 @Override 4575 public boolean finishActivityAffinity(IBinder token) { 4576 synchronized(this) { 4577 final long origId = Binder.clearCallingIdentity(); 4578 try { 4579 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4580 4581 ActivityRecord rootR = r.task.getRootActivity(); 4582 // Do not allow task to finish in Lock Task mode. 4583 if (r.task == mStackSupervisor.mLockTaskModeTask) { 4584 if (rootR == r) { 4585 mStackSupervisor.showLockTaskToast(); 4586 return false; 4587 } 4588 } 4589 boolean res = false; 4590 if (r != null) { 4591 res = r.task.stack.finishActivityAffinityLocked(r); 4592 } 4593 return res; 4594 } finally { 4595 Binder.restoreCallingIdentity(origId); 4596 } 4597 } 4598 } 4599 4600 @Override 4601 public void finishVoiceTask(IVoiceInteractionSession session) { 4602 synchronized(this) { 4603 final long origId = Binder.clearCallingIdentity(); 4604 try { 4605 mStackSupervisor.finishVoiceTask(session); 4606 } finally { 4607 Binder.restoreCallingIdentity(origId); 4608 } 4609 } 4610 4611 } 4612 4613 @Override 4614 public boolean releaseActivityInstance(IBinder token) { 4615 synchronized(this) { 4616 final long origId = Binder.clearCallingIdentity(); 4617 try { 4618 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4619 if (r.task == null || r.task.stack == null) { 4620 return false; 4621 } 4622 return r.task.stack.safelyDestroyActivityLocked(r, "app-req"); 4623 } finally { 4624 Binder.restoreCallingIdentity(origId); 4625 } 4626 } 4627 } 4628 4629 @Override 4630 public void releaseSomeActivities(IApplicationThread appInt) { 4631 synchronized(this) { 4632 final long origId = Binder.clearCallingIdentity(); 4633 try { 4634 ProcessRecord app = getRecordForAppLocked(appInt); 4635 mStackSupervisor.releaseSomeActivitiesLocked(app, "low-mem"); 4636 } finally { 4637 Binder.restoreCallingIdentity(origId); 4638 } 4639 } 4640 } 4641 4642 @Override 4643 public boolean willActivityBeVisible(IBinder token) { 4644 synchronized(this) { 4645 ActivityStack stack = ActivityRecord.getStackLocked(token); 4646 if (stack != null) { 4647 return stack.willActivityBeVisibleLocked(token); 4648 } 4649 return false; 4650 } 4651 } 4652 4653 @Override 4654 public void overridePendingTransition(IBinder token, String packageName, 4655 int enterAnim, int exitAnim) { 4656 synchronized(this) { 4657 ActivityRecord self = ActivityRecord.isInStackLocked(token); 4658 if (self == null) { 4659 return; 4660 } 4661 4662 final long origId = Binder.clearCallingIdentity(); 4663 4664 if (self.state == ActivityState.RESUMED 4665 || self.state == ActivityState.PAUSING) { 4666 mWindowManager.overridePendingAppTransition(packageName, 4667 enterAnim, exitAnim, null); 4668 } 4669 4670 Binder.restoreCallingIdentity(origId); 4671 } 4672 } 4673 4674 /** 4675 * Main function for removing an existing process from the activity manager 4676 * as a result of that process going away. Clears out all connections 4677 * to the process. 4678 */ 4679 private final void handleAppDiedLocked(ProcessRecord app, 4680 boolean restarting, boolean allowRestart) { 4681 int pid = app.pid; 4682 cleanUpApplicationRecordLocked(app, restarting, allowRestart, -1); 4683 if (!restarting) { 4684 removeLruProcessLocked(app); 4685 if (pid > 0) { 4686 ProcessList.remove(pid); 4687 } 4688 } 4689 4690 if (mProfileProc == app) { 4691 clearProfilerLocked(); 4692 } 4693 4694 // Remove this application's activities from active lists. 4695 boolean hasVisibleActivities = mStackSupervisor.handleAppDiedLocked(app); 4696 4697 app.activities.clear(); 4698 4699 if (app.instrumentationClass != null) { 4700 Slog.w(TAG, "Crash of app " + app.processName 4701 + " running instrumentation " + app.instrumentationClass); 4702 Bundle info = new Bundle(); 4703 info.putString("shortMsg", "Process crashed."); 4704 finishInstrumentationLocked(app, Activity.RESULT_CANCELED, info); 4705 } 4706 4707 if (!restarting) { 4708 if (!mStackSupervisor.resumeTopActivitiesLocked()) { 4709 // If there was nothing to resume, and we are not already 4710 // restarting this process, but there is a visible activity that 4711 // is hosted by the process... then make sure all visible 4712 // activities are running, taking care of restarting this 4713 // process. 4714 if (hasVisibleActivities) { 4715 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 4716 } 4717 } 4718 } 4719 } 4720 4721 private final int getLRURecordIndexForAppLocked(IApplicationThread thread) { 4722 IBinder threadBinder = thread.asBinder(); 4723 // Find the application record. 4724 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4725 ProcessRecord rec = mLruProcesses.get(i); 4726 if (rec.thread != null && rec.thread.asBinder() == threadBinder) { 4727 return i; 4728 } 4729 } 4730 return -1; 4731 } 4732 4733 final ProcessRecord getRecordForAppLocked( 4734 IApplicationThread thread) { 4735 if (thread == null) { 4736 return null; 4737 } 4738 4739 int appIndex = getLRURecordIndexForAppLocked(thread); 4740 return appIndex >= 0 ? mLruProcesses.get(appIndex) : null; 4741 } 4742 4743 final void doLowMemReportIfNeededLocked(ProcessRecord dyingProc) { 4744 // If there are no longer any background processes running, 4745 // and the app that died was not running instrumentation, 4746 // then tell everyone we are now low on memory. 4747 boolean haveBg = false; 4748 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4749 ProcessRecord rec = mLruProcesses.get(i); 4750 if (rec.thread != null 4751 && rec.setProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 4752 haveBg = true; 4753 break; 4754 } 4755 } 4756 4757 if (!haveBg) { 4758 boolean doReport = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 4759 if (doReport) { 4760 long now = SystemClock.uptimeMillis(); 4761 if (now < (mLastMemUsageReportTime+5*60*1000)) { 4762 doReport = false; 4763 } else { 4764 mLastMemUsageReportTime = now; 4765 } 4766 } 4767 final ArrayList<ProcessMemInfo> memInfos 4768 = doReport ? new ArrayList<ProcessMemInfo>(mLruProcesses.size()) : null; 4769 EventLog.writeEvent(EventLogTags.AM_LOW_MEMORY, mLruProcesses.size()); 4770 long now = SystemClock.uptimeMillis(); 4771 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4772 ProcessRecord rec = mLruProcesses.get(i); 4773 if (rec == dyingProc || rec.thread == null) { 4774 continue; 4775 } 4776 if (doReport) { 4777 memInfos.add(new ProcessMemInfo(rec.processName, rec.pid, rec.setAdj, 4778 rec.setProcState, rec.adjType, rec.makeAdjReason())); 4779 } 4780 if ((rec.lastLowMemory+GC_MIN_INTERVAL) <= now) { 4781 // The low memory report is overriding any current 4782 // state for a GC request. Make sure to do 4783 // heavy/important/visible/foreground processes first. 4784 if (rec.setAdj <= ProcessList.HEAVY_WEIGHT_APP_ADJ) { 4785 rec.lastRequestedGc = 0; 4786 } else { 4787 rec.lastRequestedGc = rec.lastLowMemory; 4788 } 4789 rec.reportLowMemory = true; 4790 rec.lastLowMemory = now; 4791 mProcessesToGc.remove(rec); 4792 addProcessToGcListLocked(rec); 4793 } 4794 } 4795 if (doReport) { 4796 Message msg = mHandler.obtainMessage(REPORT_MEM_USAGE_MSG, memInfos); 4797 mHandler.sendMessage(msg); 4798 } 4799 scheduleAppGcsLocked(); 4800 } 4801 } 4802 4803 final void appDiedLocked(ProcessRecord app) { 4804 appDiedLocked(app, app.pid, app.thread); 4805 } 4806 4807 final void appDiedLocked(ProcessRecord app, int pid, 4808 IApplicationThread thread) { 4809 4810 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 4811 synchronized (stats) { 4812 stats.noteProcessDiedLocked(app.info.uid, pid); 4813 } 4814 4815 Process.killProcessGroup(app.info.uid, pid); 4816 4817 // Clean up already done if the process has been re-started. 4818 if (app.pid == pid && app.thread != null && 4819 app.thread.asBinder() == thread.asBinder()) { 4820 boolean doLowMem = app.instrumentationClass == null; 4821 boolean doOomAdj = doLowMem; 4822 if (!app.killedByAm) { 4823 Slog.i(TAG, "Process " + app.processName + " (pid " + pid 4824 + ") has died."); 4825 mAllowLowerMemLevel = true; 4826 } else { 4827 // Note that we always want to do oom adj to update our state with the 4828 // new number of procs. 4829 mAllowLowerMemLevel = false; 4830 doLowMem = false; 4831 } 4832 EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); 4833 if (DEBUG_CLEANUP) Slog.v( 4834 TAG, "Dying app: " + app + ", pid: " + pid 4835 + ", thread: " + thread.asBinder()); 4836 handleAppDiedLocked(app, false, true); 4837 4838 if (doOomAdj) { 4839 updateOomAdjLocked(); 4840 } 4841 if (doLowMem) { 4842 doLowMemReportIfNeededLocked(app); 4843 } 4844 } else if (app.pid != pid) { 4845 // A new process has already been started. 4846 Slog.i(TAG, "Process " + app.processName + " (pid " + pid 4847 + ") has died and restarted (pid " + app.pid + ")."); 4848 EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); 4849 } else if (DEBUG_PROCESSES) { 4850 Slog.d(TAG, "Received spurious death notification for thread " 4851 + thread.asBinder()); 4852 } 4853 } 4854 4855 /** 4856 * If a stack trace dump file is configured, dump process stack traces. 4857 * @param clearTraces causes the dump file to be erased prior to the new 4858 * traces being written, if true; when false, the new traces will be 4859 * appended to any existing file content. 4860 * @param firstPids of dalvik VM processes to dump stack traces for first 4861 * @param lastPids of dalvik VM processes to dump stack traces for last 4862 * @param nativeProcs optional list of native process names to dump stack crawls 4863 * @return file containing stack traces, or null if no dump file is configured 4864 */ 4865 public static File dumpStackTraces(boolean clearTraces, ArrayList<Integer> firstPids, 4866 ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs) { 4867 String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); 4868 if (tracesPath == null || tracesPath.length() == 0) { 4869 return null; 4870 } 4871 4872 File tracesFile = new File(tracesPath); 4873 try { 4874 File tracesDir = tracesFile.getParentFile(); 4875 if (!tracesDir.exists()) { 4876 tracesDir.mkdirs(); 4877 if (!SELinux.restorecon(tracesDir)) { 4878 return null; 4879 } 4880 } 4881 FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x 4882 4883 if (clearTraces && tracesFile.exists()) tracesFile.delete(); 4884 tracesFile.createNewFile(); 4885 FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- 4886 } catch (IOException e) { 4887 Slog.w(TAG, "Unable to prepare ANR traces file: " + tracesPath, e); 4888 return null; 4889 } 4890 4891 dumpStackTraces(tracesPath, firstPids, processCpuTracker, lastPids, nativeProcs); 4892 return tracesFile; 4893 } 4894 4895 private static void dumpStackTraces(String tracesPath, ArrayList<Integer> firstPids, 4896 ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs) { 4897 // Use a FileObserver to detect when traces finish writing. 4898 // The order of traces is considered important to maintain for legibility. 4899 FileObserver observer = new FileObserver(tracesPath, FileObserver.CLOSE_WRITE) { 4900 @Override 4901 public synchronized void onEvent(int event, String path) { notify(); } 4902 }; 4903 4904 try { 4905 observer.startWatching(); 4906 4907 // First collect all of the stacks of the most important pids. 4908 if (firstPids != null) { 4909 try { 4910 int num = firstPids.size(); 4911 for (int i = 0; i < num; i++) { 4912 synchronized (observer) { 4913 Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT); 4914 observer.wait(200); // Wait for write-close, give up after 200msec 4915 } 4916 } 4917 } catch (InterruptedException e) { 4918 Log.wtf(TAG, e); 4919 } 4920 } 4921 4922 // Next collect the stacks of the native pids 4923 if (nativeProcs != null) { 4924 int[] pids = Process.getPidsForCommands(nativeProcs); 4925 if (pids != null) { 4926 for (int pid : pids) { 4927 Debug.dumpNativeBacktraceToFile(pid, tracesPath); 4928 } 4929 } 4930 } 4931 4932 // Lastly, measure CPU usage. 4933 if (processCpuTracker != null) { 4934 processCpuTracker.init(); 4935 System.gc(); 4936 processCpuTracker.update(); 4937 try { 4938 synchronized (processCpuTracker) { 4939 processCpuTracker.wait(500); // measure over 1/2 second. 4940 } 4941 } catch (InterruptedException e) { 4942 } 4943 processCpuTracker.update(); 4944 4945 // We'll take the stack crawls of just the top apps using CPU. 4946 final int N = processCpuTracker.countWorkingStats(); 4947 int numProcs = 0; 4948 for (int i=0; i<N && numProcs<5; i++) { 4949 ProcessCpuTracker.Stats stats = processCpuTracker.getWorkingStats(i); 4950 if (lastPids.indexOfKey(stats.pid) >= 0) { 4951 numProcs++; 4952 try { 4953 synchronized (observer) { 4954 Process.sendSignal(stats.pid, Process.SIGNAL_QUIT); 4955 observer.wait(200); // Wait for write-close, give up after 200msec 4956 } 4957 } catch (InterruptedException e) { 4958 Log.wtf(TAG, e); 4959 } 4960 4961 } 4962 } 4963 } 4964 } finally { 4965 observer.stopWatching(); 4966 } 4967 } 4968 4969 final void logAppTooSlow(ProcessRecord app, long startTime, String msg) { 4970 if (true || IS_USER_BUILD) { 4971 return; 4972 } 4973 String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); 4974 if (tracesPath == null || tracesPath.length() == 0) { 4975 return; 4976 } 4977 4978 StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); 4979 StrictMode.allowThreadDiskWrites(); 4980 try { 4981 final File tracesFile = new File(tracesPath); 4982 final File tracesDir = tracesFile.getParentFile(); 4983 final File tracesTmp = new File(tracesDir, "__tmp__"); 4984 try { 4985 if (!tracesDir.exists()) { 4986 tracesDir.mkdirs(); 4987 if (!SELinux.restorecon(tracesDir.getPath())) { 4988 return; 4989 } 4990 } 4991 FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x 4992 4993 if (tracesFile.exists()) { 4994 tracesTmp.delete(); 4995 tracesFile.renameTo(tracesTmp); 4996 } 4997 StringBuilder sb = new StringBuilder(); 4998 Time tobj = new Time(); 4999 tobj.set(System.currentTimeMillis()); 5000 sb.append(tobj.format("%Y-%m-%d %H:%M:%S")); 5001 sb.append(": "); 5002 TimeUtils.formatDuration(SystemClock.uptimeMillis()-startTime, sb); 5003 sb.append(" since "); 5004 sb.append(msg); 5005 FileOutputStream fos = new FileOutputStream(tracesFile); 5006 fos.write(sb.toString().getBytes()); 5007 if (app == null) { 5008 fos.write("\n*** No application process!".getBytes()); 5009 } 5010 fos.close(); 5011 FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- 5012 } catch (IOException e) { 5013 Slog.w(TAG, "Unable to prepare slow app traces file: " + tracesPath, e); 5014 return; 5015 } 5016 5017 if (app != null) { 5018 ArrayList<Integer> firstPids = new ArrayList<Integer>(); 5019 firstPids.add(app.pid); 5020 dumpStackTraces(tracesPath, firstPids, null, null, null); 5021 } 5022 5023 File lastTracesFile = null; 5024 File curTracesFile = null; 5025 for (int i=9; i>=0; i--) { 5026 String name = String.format(Locale.US, "slow%02d.txt", i); 5027 curTracesFile = new File(tracesDir, name); 5028 if (curTracesFile.exists()) { 5029 if (lastTracesFile != null) { 5030 curTracesFile.renameTo(lastTracesFile); 5031 } else { 5032 curTracesFile.delete(); 5033 } 5034 } 5035 lastTracesFile = curTracesFile; 5036 } 5037 tracesFile.renameTo(curTracesFile); 5038 if (tracesTmp.exists()) { 5039 tracesTmp.renameTo(tracesFile); 5040 } 5041 } finally { 5042 StrictMode.setThreadPolicy(oldPolicy); 5043 } 5044 } 5045 5046 final void appNotResponding(ProcessRecord app, ActivityRecord activity, 5047 ActivityRecord parent, boolean aboveSystem, final String annotation) { 5048 ArrayList<Integer> firstPids = new ArrayList<Integer>(5); 5049 SparseArray<Boolean> lastPids = new SparseArray<Boolean>(20); 5050 5051 if (mController != null) { 5052 try { 5053 // 0 == continue, -1 = kill process immediately 5054 int res = mController.appEarlyNotResponding(app.processName, app.pid, annotation); 5055 if (res < 0 && app.pid != MY_PID) { 5056 app.kill("anr", true); 5057 } 5058 } catch (RemoteException e) { 5059 mController = null; 5060 Watchdog.getInstance().setActivityController(null); 5061 } 5062 } 5063 5064 long anrTime = SystemClock.uptimeMillis(); 5065 if (MONITOR_CPU_USAGE) { 5066 updateCpuStatsNow(); 5067 } 5068 5069 synchronized (this) { 5070 // PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down. 5071 if (mShuttingDown) { 5072 Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation); 5073 return; 5074 } else if (app.notResponding) { 5075 Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation); 5076 return; 5077 } else if (app.crashing) { 5078 Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation); 5079 return; 5080 } 5081 5082 // In case we come through here for the same app before completing 5083 // this one, mark as anring now so we will bail out. 5084 app.notResponding = true; 5085 5086 // Log the ANR to the event log. 5087 EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid, 5088 app.processName, app.info.flags, annotation); 5089 5090 // Dump thread traces as quickly as we can, starting with "interesting" processes. 5091 firstPids.add(app.pid); 5092 5093 int parentPid = app.pid; 5094 if (parent != null && parent.app != null && parent.app.pid > 0) parentPid = parent.app.pid; 5095 if (parentPid != app.pid) firstPids.add(parentPid); 5096 5097 if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID); 5098 5099 for (int i = mLruProcesses.size() - 1; i >= 0; i--) { 5100 ProcessRecord r = mLruProcesses.get(i); 5101 if (r != null && r.thread != null) { 5102 int pid = r.pid; 5103 if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) { 5104 if (r.persistent) { 5105 firstPids.add(pid); 5106 } else { 5107 lastPids.put(pid, Boolean.TRUE); 5108 } 5109 } 5110 } 5111 } 5112 } 5113 5114 // Log the ANR to the main log. 5115 StringBuilder info = new StringBuilder(); 5116 info.setLength(0); 5117 info.append("ANR in ").append(app.processName); 5118 if (activity != null && activity.shortComponentName != null) { 5119 info.append(" (").append(activity.shortComponentName).append(")"); 5120 } 5121 info.append("\n"); 5122 info.append("PID: ").append(app.pid).append("\n"); 5123 if (annotation != null) { 5124 info.append("Reason: ").append(annotation).append("\n"); 5125 } 5126 if (parent != null && parent != activity) { 5127 info.append("Parent: ").append(parent.shortComponentName).append("\n"); 5128 } 5129 5130 final ProcessCpuTracker processCpuTracker = new ProcessCpuTracker(true); 5131 5132 File tracesFile = dumpStackTraces(true, firstPids, processCpuTracker, lastPids, 5133 NATIVE_STACKS_OF_INTEREST); 5134 5135 String cpuInfo = null; 5136 if (MONITOR_CPU_USAGE) { 5137 updateCpuStatsNow(); 5138 synchronized (mProcessCpuTracker) { 5139 cpuInfo = mProcessCpuTracker.printCurrentState(anrTime); 5140 } 5141 info.append(processCpuTracker.printCurrentLoad()); 5142 info.append(cpuInfo); 5143 } 5144 5145 info.append(processCpuTracker.printCurrentState(anrTime)); 5146 5147 Slog.e(TAG, info.toString()); 5148 if (tracesFile == null) { 5149 // There is no trace file, so dump (only) the alleged culprit's threads to the log 5150 Process.sendSignal(app.pid, Process.SIGNAL_QUIT); 5151 } 5152 5153 addErrorToDropBox("anr", app, app.processName, activity, parent, annotation, 5154 cpuInfo, tracesFile, null); 5155 5156 if (mController != null) { 5157 try { 5158 // 0 == show dialog, 1 = keep waiting, -1 = kill process immediately 5159 int res = mController.appNotResponding(app.processName, app.pid, info.toString()); 5160 if (res != 0) { 5161 if (res < 0 && app.pid != MY_PID) { 5162 app.kill("anr", true); 5163 } else { 5164 synchronized (this) { 5165 mServices.scheduleServiceTimeoutLocked(app); 5166 } 5167 } 5168 return; 5169 } 5170 } catch (RemoteException e) { 5171 mController = null; 5172 Watchdog.getInstance().setActivityController(null); 5173 } 5174 } 5175 5176 // Unless configured otherwise, swallow ANRs in background processes & kill the process. 5177 boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), 5178 Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; 5179 5180 synchronized (this) { 5181 if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) { 5182 app.kill("bg anr", true); 5183 return; 5184 } 5185 5186 // Set the app's notResponding state, and look up the errorReportReceiver 5187 makeAppNotRespondingLocked(app, 5188 activity != null ? activity.shortComponentName : null, 5189 annotation != null ? "ANR " + annotation : "ANR", 5190 info.toString()); 5191 5192 // Bring up the infamous App Not Responding dialog 5193 Message msg = Message.obtain(); 5194 HashMap<String, Object> map = new HashMap<String, Object>(); 5195 msg.what = SHOW_NOT_RESPONDING_MSG; 5196 msg.obj = map; 5197 msg.arg1 = aboveSystem ? 1 : 0; 5198 map.put("app", app); 5199 if (activity != null) { 5200 map.put("activity", activity); 5201 } 5202 5203 mHandler.sendMessage(msg); 5204 } 5205 } 5206 5207 final void showLaunchWarningLocked(final ActivityRecord cur, final ActivityRecord next) { 5208 if (!mLaunchWarningShown) { 5209 mLaunchWarningShown = true; 5210 mHandler.post(new Runnable() { 5211 @Override 5212 public void run() { 5213 synchronized (ActivityManagerService.this) { 5214 final Dialog d = new LaunchWarningWindow(mContext, cur, next); 5215 d.show(); 5216 mHandler.postDelayed(new Runnable() { 5217 @Override 5218 public void run() { 5219 synchronized (ActivityManagerService.this) { 5220 d.dismiss(); 5221 mLaunchWarningShown = false; 5222 } 5223 } 5224 }, 4000); 5225 } 5226 } 5227 }); 5228 } 5229 } 5230 5231 @Override 5232 public boolean clearApplicationUserData(final String packageName, 5233 final IPackageDataObserver observer, int userId) { 5234 enforceNotIsolatedCaller("clearApplicationUserData"); 5235 int uid = Binder.getCallingUid(); 5236 int pid = Binder.getCallingPid(); 5237 userId = handleIncomingUser(pid, uid, 5238 userId, false, ALLOW_FULL_ONLY, "clearApplicationUserData", null); 5239 long callingId = Binder.clearCallingIdentity(); 5240 try { 5241 IPackageManager pm = AppGlobals.getPackageManager(); 5242 int pkgUid = -1; 5243 synchronized(this) { 5244 try { 5245 pkgUid = pm.getPackageUid(packageName, userId); 5246 } catch (RemoteException e) { 5247 } 5248 if (pkgUid == -1) { 5249 Slog.w(TAG, "Invalid packageName: " + packageName); 5250 if (observer != null) { 5251 try { 5252 observer.onRemoveCompleted(packageName, false); 5253 } catch (RemoteException e) { 5254 Slog.i(TAG, "Observer no longer exists."); 5255 } 5256 } 5257 return false; 5258 } 5259 if (uid == pkgUid || checkComponentPermission( 5260 android.Manifest.permission.CLEAR_APP_USER_DATA, 5261 pid, uid, -1, true) 5262 == PackageManager.PERMISSION_GRANTED) { 5263 forceStopPackageLocked(packageName, pkgUid, "clear data"); 5264 } else { 5265 throw new SecurityException("PID " + pid + " does not have permission " 5266 + android.Manifest.permission.CLEAR_APP_USER_DATA + " to clear data" 5267 + " of package " + packageName); 5268 } 5269 5270 // Remove all tasks match the cleared application package and user 5271 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 5272 final TaskRecord tr = mRecentTasks.get(i); 5273 final String taskPackageName = 5274 tr.getBaseIntent().getComponent().getPackageName(); 5275 if (tr.userId != userId) continue; 5276 if (!taskPackageName.equals(packageName)) continue; 5277 removeTaskByIdLocked(tr.taskId, 0); 5278 } 5279 } 5280 5281 try { 5282 // Clear application user data 5283 pm.clearApplicationUserData(packageName, observer, userId); 5284 5285 synchronized(this) { 5286 // Remove all permissions granted from/to this package 5287 removeUriPermissionsForPackageLocked(packageName, userId, true); 5288 } 5289 5290 Intent intent = new Intent(Intent.ACTION_PACKAGE_DATA_CLEARED, 5291 Uri.fromParts("package", packageName, null)); 5292 intent.putExtra(Intent.EXTRA_UID, pkgUid); 5293 broadcastIntentInPackage("android", Process.SYSTEM_UID, intent, 5294 null, null, 0, null, null, null, false, false, userId); 5295 } catch (RemoteException e) { 5296 } 5297 } finally { 5298 Binder.restoreCallingIdentity(callingId); 5299 } 5300 return true; 5301 } 5302 5303 @Override 5304 public void killBackgroundProcesses(final String packageName, int userId) { 5305 if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) 5306 != PackageManager.PERMISSION_GRANTED && 5307 checkCallingPermission(android.Manifest.permission.RESTART_PACKAGES) 5308 != PackageManager.PERMISSION_GRANTED) { 5309 String msg = "Permission Denial: killBackgroundProcesses() from pid=" 5310 + Binder.getCallingPid() 5311 + ", uid=" + Binder.getCallingUid() 5312 + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; 5313 Slog.w(TAG, msg); 5314 throw new SecurityException(msg); 5315 } 5316 5317 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 5318 userId, true, ALLOW_FULL_ONLY, "killBackgroundProcesses", null); 5319 long callingId = Binder.clearCallingIdentity(); 5320 try { 5321 IPackageManager pm = AppGlobals.getPackageManager(); 5322 synchronized(this) { 5323 int appId = -1; 5324 try { 5325 appId = UserHandle.getAppId(pm.getPackageUid(packageName, 0)); 5326 } catch (RemoteException e) { 5327 } 5328 if (appId == -1) { 5329 Slog.w(TAG, "Invalid packageName: " + packageName); 5330 return; 5331 } 5332 killPackageProcessesLocked(packageName, appId, userId, 5333 ProcessList.SERVICE_ADJ, false, true, true, false, "kill background"); 5334 } 5335 } finally { 5336 Binder.restoreCallingIdentity(callingId); 5337 } 5338 } 5339 5340 @Override 5341 public void killAllBackgroundProcesses() { 5342 if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) 5343 != PackageManager.PERMISSION_GRANTED) { 5344 String msg = "Permission Denial: killAllBackgroundProcesses() from pid=" 5345 + Binder.getCallingPid() 5346 + ", uid=" + Binder.getCallingUid() 5347 + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; 5348 Slog.w(TAG, msg); 5349 throw new SecurityException(msg); 5350 } 5351 5352 long callingId = Binder.clearCallingIdentity(); 5353 try { 5354 synchronized(this) { 5355 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 5356 final int NP = mProcessNames.getMap().size(); 5357 for (int ip=0; ip<NP; ip++) { 5358 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 5359 final int NA = apps.size(); 5360 for (int ia=0; ia<NA; ia++) { 5361 ProcessRecord app = apps.valueAt(ia); 5362 if (app.persistent) { 5363 // we don't kill persistent processes 5364 continue; 5365 } 5366 if (app.removed) { 5367 procs.add(app); 5368 } else if (app.setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 5369 app.removed = true; 5370 procs.add(app); 5371 } 5372 } 5373 } 5374 5375 int N = procs.size(); 5376 for (int i=0; i<N; i++) { 5377 removeProcessLocked(procs.get(i), false, true, "kill all background"); 5378 } 5379 mAllowLowerMemLevel = true; 5380 updateOomAdjLocked(); 5381 doLowMemReportIfNeededLocked(null); 5382 } 5383 } finally { 5384 Binder.restoreCallingIdentity(callingId); 5385 } 5386 } 5387 5388 @Override 5389 public void forceStopPackage(final String packageName, int userId) { 5390 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 5391 != PackageManager.PERMISSION_GRANTED) { 5392 String msg = "Permission Denial: forceStopPackage() from pid=" 5393 + Binder.getCallingPid() 5394 + ", uid=" + Binder.getCallingUid() 5395 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 5396 Slog.w(TAG, msg); 5397 throw new SecurityException(msg); 5398 } 5399 final int callingPid = Binder.getCallingPid(); 5400 userId = handleIncomingUser(callingPid, Binder.getCallingUid(), 5401 userId, true, ALLOW_FULL_ONLY, "forceStopPackage", null); 5402 long callingId = Binder.clearCallingIdentity(); 5403 try { 5404 IPackageManager pm = AppGlobals.getPackageManager(); 5405 synchronized(this) { 5406 int[] users = userId == UserHandle.USER_ALL 5407 ? getUsersLocked() : new int[] { userId }; 5408 for (int user : users) { 5409 int pkgUid = -1; 5410 try { 5411 pkgUid = pm.getPackageUid(packageName, user); 5412 } catch (RemoteException e) { 5413 } 5414 if (pkgUid == -1) { 5415 Slog.w(TAG, "Invalid packageName: " + packageName); 5416 continue; 5417 } 5418 try { 5419 pm.setPackageStoppedState(packageName, true, user); 5420 } catch (RemoteException e) { 5421 } catch (IllegalArgumentException e) { 5422 Slog.w(TAG, "Failed trying to unstop package " 5423 + packageName + ": " + e); 5424 } 5425 if (isUserRunningLocked(user, false)) { 5426 forceStopPackageLocked(packageName, pkgUid, "from pid " + callingPid); 5427 } 5428 } 5429 } 5430 } finally { 5431 Binder.restoreCallingIdentity(callingId); 5432 } 5433 } 5434 5435 @Override 5436 public void addPackageDependency(String packageName) { 5437 synchronized (this) { 5438 int callingPid = Binder.getCallingPid(); 5439 if (callingPid == Process.myPid()) { 5440 // Yeah, um, no. 5441 Slog.w(TAG, "Can't addPackageDependency on system process"); 5442 return; 5443 } 5444 ProcessRecord proc; 5445 synchronized (mPidsSelfLocked) { 5446 proc = mPidsSelfLocked.get(Binder.getCallingPid()); 5447 } 5448 if (proc != null) { 5449 if (proc.pkgDeps == null) { 5450 proc.pkgDeps = new ArraySet<String>(1); 5451 } 5452 proc.pkgDeps.add(packageName); 5453 } 5454 } 5455 } 5456 5457 /* 5458 * The pkg name and app id have to be specified. 5459 */ 5460 @Override 5461 public void killApplicationWithAppId(String pkg, int appid, String reason) { 5462 if (pkg == null) { 5463 return; 5464 } 5465 // Make sure the uid is valid. 5466 if (appid < 0) { 5467 Slog.w(TAG, "Invalid appid specified for pkg : " + pkg); 5468 return; 5469 } 5470 int callerUid = Binder.getCallingUid(); 5471 // Only the system server can kill an application 5472 if (callerUid == Process.SYSTEM_UID) { 5473 // Post an aysnc message to kill the application 5474 Message msg = mHandler.obtainMessage(KILL_APPLICATION_MSG); 5475 msg.arg1 = appid; 5476 msg.arg2 = 0; 5477 Bundle bundle = new Bundle(); 5478 bundle.putString("pkg", pkg); 5479 bundle.putString("reason", reason); 5480 msg.obj = bundle; 5481 mHandler.sendMessage(msg); 5482 } else { 5483 throw new SecurityException(callerUid + " cannot kill pkg: " + 5484 pkg); 5485 } 5486 } 5487 5488 @Override 5489 public void closeSystemDialogs(String reason) { 5490 enforceNotIsolatedCaller("closeSystemDialogs"); 5491 5492 final int pid = Binder.getCallingPid(); 5493 final int uid = Binder.getCallingUid(); 5494 final long origId = Binder.clearCallingIdentity(); 5495 try { 5496 synchronized (this) { 5497 // Only allow this from foreground processes, so that background 5498 // applications can't abuse it to prevent system UI from being shown. 5499 if (uid >= Process.FIRST_APPLICATION_UID) { 5500 ProcessRecord proc; 5501 synchronized (mPidsSelfLocked) { 5502 proc = mPidsSelfLocked.get(pid); 5503 } 5504 if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 5505 Slog.w(TAG, "Ignoring closeSystemDialogs " + reason 5506 + " from background process " + proc); 5507 return; 5508 } 5509 } 5510 closeSystemDialogsLocked(reason); 5511 } 5512 } finally { 5513 Binder.restoreCallingIdentity(origId); 5514 } 5515 } 5516 5517 void closeSystemDialogsLocked(String reason) { 5518 Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 5519 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5520 | Intent.FLAG_RECEIVER_FOREGROUND); 5521 if (reason != null) { 5522 intent.putExtra("reason", reason); 5523 } 5524 mWindowManager.closeSystemDialogs(reason); 5525 5526 mStackSupervisor.closeSystemDialogsLocked(); 5527 5528 broadcastIntentLocked(null, null, intent, null, 5529 null, 0, null, null, null, AppOpsManager.OP_NONE, false, false, -1, 5530 Process.SYSTEM_UID, UserHandle.USER_ALL); 5531 } 5532 5533 @Override 5534 public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { 5535 enforceNotIsolatedCaller("getProcessMemoryInfo"); 5536 Debug.MemoryInfo[] infos = new Debug.MemoryInfo[pids.length]; 5537 for (int i=pids.length-1; i>=0; i--) { 5538 ProcessRecord proc; 5539 int oomAdj; 5540 synchronized (this) { 5541 synchronized (mPidsSelfLocked) { 5542 proc = mPidsSelfLocked.get(pids[i]); 5543 oomAdj = proc != null ? proc.setAdj : 0; 5544 } 5545 } 5546 infos[i] = new Debug.MemoryInfo(); 5547 Debug.getMemoryInfo(pids[i], infos[i]); 5548 if (proc != null) { 5549 synchronized (this) { 5550 if (proc.thread != null && proc.setAdj == oomAdj) { 5551 // Record this for posterity if the process has been stable. 5552 proc.baseProcessTracker.addPss(infos[i].getTotalPss(), 5553 infos[i].getTotalUss(), false, proc.pkgList); 5554 } 5555 } 5556 } 5557 } 5558 return infos; 5559 } 5560 5561 @Override 5562 public long[] getProcessPss(int[] pids) { 5563 enforceNotIsolatedCaller("getProcessPss"); 5564 long[] pss = new long[pids.length]; 5565 for (int i=pids.length-1; i>=0; i--) { 5566 ProcessRecord proc; 5567 int oomAdj; 5568 synchronized (this) { 5569 synchronized (mPidsSelfLocked) { 5570 proc = mPidsSelfLocked.get(pids[i]); 5571 oomAdj = proc != null ? proc.setAdj : 0; 5572 } 5573 } 5574 long[] tmpUss = new long[1]; 5575 pss[i] = Debug.getPss(pids[i], tmpUss); 5576 if (proc != null) { 5577 synchronized (this) { 5578 if (proc.thread != null && proc.setAdj == oomAdj) { 5579 // Record this for posterity if the process has been stable. 5580 proc.baseProcessTracker.addPss(pss[i], tmpUss[0], false, proc.pkgList); 5581 } 5582 } 5583 } 5584 } 5585 return pss; 5586 } 5587 5588 @Override 5589 public void killApplicationProcess(String processName, int uid) { 5590 if (processName == null) { 5591 return; 5592 } 5593 5594 int callerUid = Binder.getCallingUid(); 5595 // Only the system server can kill an application 5596 if (callerUid == Process.SYSTEM_UID) { 5597 synchronized (this) { 5598 ProcessRecord app = getProcessRecordLocked(processName, uid, true); 5599 if (app != null && app.thread != null) { 5600 try { 5601 app.thread.scheduleSuicide(); 5602 } catch (RemoteException e) { 5603 // If the other end already died, then our work here is done. 5604 } 5605 } else { 5606 Slog.w(TAG, "Process/uid not found attempting kill of " 5607 + processName + " / " + uid); 5608 } 5609 } 5610 } else { 5611 throw new SecurityException(callerUid + " cannot kill app process: " + 5612 processName); 5613 } 5614 } 5615 5616 private void forceStopPackageLocked(final String packageName, int uid, String reason) { 5617 forceStopPackageLocked(packageName, UserHandle.getAppId(uid), false, 5618 false, true, false, false, UserHandle.getUserId(uid), reason); 5619 Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, 5620 Uri.fromParts("package", packageName, null)); 5621 if (!mProcessesReady) { 5622 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5623 | Intent.FLAG_RECEIVER_FOREGROUND); 5624 } 5625 intent.putExtra(Intent.EXTRA_UID, uid); 5626 intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(uid)); 5627 broadcastIntentLocked(null, null, intent, 5628 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 5629 false, false, 5630 MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid)); 5631 } 5632 5633 private void forceStopUserLocked(int userId, String reason) { 5634 forceStopPackageLocked(null, -1, false, false, true, false, false, userId, reason); 5635 Intent intent = new Intent(Intent.ACTION_USER_STOPPED); 5636 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5637 | Intent.FLAG_RECEIVER_FOREGROUND); 5638 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 5639 broadcastIntentLocked(null, null, intent, 5640 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 5641 false, false, 5642 MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 5643 } 5644 5645 private final boolean killPackageProcessesLocked(String packageName, int appId, 5646 int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart, 5647 boolean doit, boolean evenPersistent, String reason) { 5648 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 5649 5650 // Remove all processes this package may have touched: all with the 5651 // same UID (except for the system or root user), and all whose name 5652 // matches the package name. 5653 final int NP = mProcessNames.getMap().size(); 5654 for (int ip=0; ip<NP; ip++) { 5655 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 5656 final int NA = apps.size(); 5657 for (int ia=0; ia<NA; ia++) { 5658 ProcessRecord app = apps.valueAt(ia); 5659 if (app.persistent && !evenPersistent) { 5660 // we don't kill persistent processes 5661 continue; 5662 } 5663 if (app.removed) { 5664 if (doit) { 5665 procs.add(app); 5666 } 5667 continue; 5668 } 5669 5670 // Skip process if it doesn't meet our oom adj requirement. 5671 if (app.setAdj < minOomAdj) { 5672 continue; 5673 } 5674 5675 // If no package is specified, we call all processes under the 5676 // give user id. 5677 if (packageName == null) { 5678 if (app.userId != userId) { 5679 continue; 5680 } 5681 if (appId >= 0 && UserHandle.getAppId(app.uid) != appId) { 5682 continue; 5683 } 5684 // Package has been specified, we want to hit all processes 5685 // that match it. We need to qualify this by the processes 5686 // that are running under the specified app and user ID. 5687 } else { 5688 final boolean isDep = app.pkgDeps != null 5689 && app.pkgDeps.contains(packageName); 5690 if (!isDep && UserHandle.getAppId(app.uid) != appId) { 5691 continue; 5692 } 5693 if (userId != UserHandle.USER_ALL && app.userId != userId) { 5694 continue; 5695 } 5696 if (!app.pkgList.containsKey(packageName) && !isDep) { 5697 continue; 5698 } 5699 } 5700 5701 // Process has passed all conditions, kill it! 5702 if (!doit) { 5703 return true; 5704 } 5705 app.removed = true; 5706 procs.add(app); 5707 } 5708 } 5709 5710 int N = procs.size(); 5711 for (int i=0; i<N; i++) { 5712 removeProcessLocked(procs.get(i), callerWillRestart, allowRestart, reason); 5713 } 5714 updateOomAdjLocked(); 5715 return N > 0; 5716 } 5717 5718 private final boolean forceStopPackageLocked(String name, int appId, 5719 boolean callerWillRestart, boolean purgeCache, boolean doit, 5720 boolean evenPersistent, boolean uninstalling, int userId, String reason) { 5721 int i; 5722 int N; 5723 5724 if (userId == UserHandle.USER_ALL && name == null) { 5725 Slog.w(TAG, "Can't force stop all processes of all users, that is insane!"); 5726 } 5727 5728 if (appId < 0 && name != null) { 5729 try { 5730 appId = UserHandle.getAppId( 5731 AppGlobals.getPackageManager().getPackageUid(name, 0)); 5732 } catch (RemoteException e) { 5733 } 5734 } 5735 5736 if (doit) { 5737 if (name != null) { 5738 Slog.i(TAG, "Force stopping " + name + " appid=" + appId 5739 + " user=" + userId + ": " + reason); 5740 } else { 5741 Slog.i(TAG, "Force stopping u" + userId + ": " + reason); 5742 } 5743 5744 final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap(); 5745 for (int ip=pmap.size()-1; ip>=0; ip--) { 5746 SparseArray<Long> ba = pmap.valueAt(ip); 5747 for (i=ba.size()-1; i>=0; i--) { 5748 boolean remove = false; 5749 final int entUid = ba.keyAt(i); 5750 if (name != null) { 5751 if (userId == UserHandle.USER_ALL) { 5752 if (UserHandle.getAppId(entUid) == appId) { 5753 remove = true; 5754 } 5755 } else { 5756 if (entUid == UserHandle.getUid(userId, appId)) { 5757 remove = true; 5758 } 5759 } 5760 } else if (UserHandle.getUserId(entUid) == userId) { 5761 remove = true; 5762 } 5763 if (remove) { 5764 ba.removeAt(i); 5765 } 5766 } 5767 if (ba.size() == 0) { 5768 pmap.removeAt(ip); 5769 } 5770 } 5771 } 5772 5773 boolean didSomething = killPackageProcessesLocked(name, appId, userId, 5774 -100, callerWillRestart, true, doit, evenPersistent, 5775 name == null ? ("stop user " + userId) : ("stop " + name)); 5776 5777 if (mStackSupervisor.forceStopPackageLocked(name, doit, evenPersistent, userId)) { 5778 if (!doit) { 5779 return true; 5780 } 5781 didSomething = true; 5782 } 5783 5784 if (mServices.forceStopLocked(name, userId, evenPersistent, doit)) { 5785 if (!doit) { 5786 return true; 5787 } 5788 didSomething = true; 5789 } 5790 5791 if (name == null) { 5792 // Remove all sticky broadcasts from this user. 5793 mStickyBroadcasts.remove(userId); 5794 } 5795 5796 ArrayList<ContentProviderRecord> providers = new ArrayList<ContentProviderRecord>(); 5797 if (mProviderMap.collectForceStopProviders(name, appId, doit, evenPersistent, 5798 userId, providers)) { 5799 if (!doit) { 5800 return true; 5801 } 5802 didSomething = true; 5803 } 5804 N = providers.size(); 5805 for (i=0; i<N; i++) { 5806 removeDyingProviderLocked(null, providers.get(i), true); 5807 } 5808 5809 // Remove transient permissions granted from/to this package/user 5810 removeUriPermissionsForPackageLocked(name, userId, false); 5811 5812 if (name == null || uninstalling) { 5813 // Remove pending intents. For now we only do this when force 5814 // stopping users, because we have some problems when doing this 5815 // for packages -- app widgets are not currently cleaned up for 5816 // such packages, so they can be left with bad pending intents. 5817 if (mIntentSenderRecords.size() > 0) { 5818 Iterator<WeakReference<PendingIntentRecord>> it 5819 = mIntentSenderRecords.values().iterator(); 5820 while (it.hasNext()) { 5821 WeakReference<PendingIntentRecord> wpir = it.next(); 5822 if (wpir == null) { 5823 it.remove(); 5824 continue; 5825 } 5826 PendingIntentRecord pir = wpir.get(); 5827 if (pir == null) { 5828 it.remove(); 5829 continue; 5830 } 5831 if (name == null) { 5832 // Stopping user, remove all objects for the user. 5833 if (pir.key.userId != userId) { 5834 // Not the same user, skip it. 5835 continue; 5836 } 5837 } else { 5838 if (UserHandle.getAppId(pir.uid) != appId) { 5839 // Different app id, skip it. 5840 continue; 5841 } 5842 if (userId != UserHandle.USER_ALL && pir.key.userId != userId) { 5843 // Different user, skip it. 5844 continue; 5845 } 5846 if (!pir.key.packageName.equals(name)) { 5847 // Different package, skip it. 5848 continue; 5849 } 5850 } 5851 if (!doit) { 5852 return true; 5853 } 5854 didSomething = true; 5855 it.remove(); 5856 pir.canceled = true; 5857 if (pir.key.activity != null) { 5858 pir.key.activity.pendingResults.remove(pir.ref); 5859 } 5860 } 5861 } 5862 } 5863 5864 if (doit) { 5865 if (purgeCache && name != null) { 5866 AttributeCache ac = AttributeCache.instance(); 5867 if (ac != null) { 5868 ac.removePackage(name); 5869 } 5870 } 5871 if (mBooted) { 5872 mStackSupervisor.resumeTopActivitiesLocked(); 5873 mStackSupervisor.scheduleIdleLocked(); 5874 } 5875 } 5876 5877 return didSomething; 5878 } 5879 5880 private final boolean removeProcessLocked(ProcessRecord app, 5881 boolean callerWillRestart, boolean allowRestart, String reason) { 5882 final String name = app.processName; 5883 final int uid = app.uid; 5884 if (DEBUG_PROCESSES) Slog.d( 5885 TAG, "Force removing proc " + app.toShortString() + " (" + name 5886 + "/" + uid + ")"); 5887 5888 mProcessNames.remove(name, uid); 5889 mIsolatedProcesses.remove(app.uid); 5890 if (mHeavyWeightProcess == app) { 5891 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 5892 mHeavyWeightProcess.userId, 0)); 5893 mHeavyWeightProcess = null; 5894 } 5895 boolean needRestart = false; 5896 if (app.pid > 0 && app.pid != MY_PID) { 5897 int pid = app.pid; 5898 synchronized (mPidsSelfLocked) { 5899 mPidsSelfLocked.remove(pid); 5900 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 5901 } 5902 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 5903 if (app.isolated) { 5904 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 5905 } 5906 app.kill(reason, true); 5907 handleAppDiedLocked(app, true, allowRestart); 5908 removeLruProcessLocked(app); 5909 5910 if (app.persistent && !app.isolated) { 5911 if (!callerWillRestart) { 5912 addAppLocked(app.info, false, null /* ABI override */); 5913 } else { 5914 needRestart = true; 5915 } 5916 } 5917 } else { 5918 mRemovedProcesses.add(app); 5919 } 5920 5921 return needRestart; 5922 } 5923 5924 private final void processStartTimedOutLocked(ProcessRecord app) { 5925 final int pid = app.pid; 5926 boolean gone = false; 5927 synchronized (mPidsSelfLocked) { 5928 ProcessRecord knownApp = mPidsSelfLocked.get(pid); 5929 if (knownApp != null && knownApp.thread == null) { 5930 mPidsSelfLocked.remove(pid); 5931 gone = true; 5932 } 5933 } 5934 5935 if (gone) { 5936 Slog.w(TAG, "Process " + app + " failed to attach"); 5937 EventLog.writeEvent(EventLogTags.AM_PROCESS_START_TIMEOUT, app.userId, 5938 pid, app.uid, app.processName); 5939 mProcessNames.remove(app.processName, app.uid); 5940 mIsolatedProcesses.remove(app.uid); 5941 if (mHeavyWeightProcess == app) { 5942 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 5943 mHeavyWeightProcess.userId, 0)); 5944 mHeavyWeightProcess = null; 5945 } 5946 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 5947 if (app.isolated) { 5948 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 5949 } 5950 // Take care of any launching providers waiting for this process. 5951 checkAppInLaunchingProvidersLocked(app, true); 5952 // Take care of any services that are waiting for the process. 5953 mServices.processStartTimedOutLocked(app); 5954 app.kill("start timeout", true); 5955 if (mBackupTarget != null && mBackupTarget.app.pid == pid) { 5956 Slog.w(TAG, "Unattached app died before backup, skipping"); 5957 try { 5958 IBackupManager bm = IBackupManager.Stub.asInterface( 5959 ServiceManager.getService(Context.BACKUP_SERVICE)); 5960 bm.agentDisconnected(app.info.packageName); 5961 } catch (RemoteException e) { 5962 // Can't happen; the backup manager is local 5963 } 5964 } 5965 if (isPendingBroadcastProcessLocked(pid)) { 5966 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); 5967 skipPendingBroadcastLocked(pid); 5968 } 5969 } else { 5970 Slog.w(TAG, "Spurious process start timeout - pid not known for " + app); 5971 } 5972 } 5973 5974 private final boolean attachApplicationLocked(IApplicationThread thread, 5975 int pid) { 5976 5977 // Find the application record that is being attached... either via 5978 // the pid if we are running in multiple processes, or just pull the 5979 // next app record if we are emulating process with anonymous threads. 5980 ProcessRecord app; 5981 if (pid != MY_PID && pid >= 0) { 5982 synchronized (mPidsSelfLocked) { 5983 app = mPidsSelfLocked.get(pid); 5984 } 5985 } else { 5986 app = null; 5987 } 5988 5989 if (app == null) { 5990 Slog.w(TAG, "No pending application record for pid " + pid 5991 + " (IApplicationThread " + thread + "); dropping process"); 5992 EventLog.writeEvent(EventLogTags.AM_DROP_PROCESS, pid); 5993 if (pid > 0 && pid != MY_PID) { 5994 Process.killProcessQuiet(pid); 5995 //TODO: Process.killProcessGroup(app.info.uid, pid); 5996 } else { 5997 try { 5998 thread.scheduleExit(); 5999 } catch (Exception e) { 6000 // Ignore exceptions. 6001 } 6002 } 6003 return false; 6004 } 6005 6006 // If this application record is still attached to a previous 6007 // process, clean it up now. 6008 if (app.thread != null) { 6009 handleAppDiedLocked(app, true, true); 6010 } 6011 6012 // Tell the process all about itself. 6013 6014 if (localLOGV) Slog.v( 6015 TAG, "Binding process pid " + pid + " to record " + app); 6016 6017 final String processName = app.processName; 6018 try { 6019 AppDeathRecipient adr = new AppDeathRecipient( 6020 app, pid, thread); 6021 thread.asBinder().linkToDeath(adr, 0); 6022 app.deathRecipient = adr; 6023 } catch (RemoteException e) { 6024 app.resetPackageList(mProcessStats); 6025 startProcessLocked(app, "link fail", processName); 6026 return false; 6027 } 6028 6029 EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName); 6030 6031 app.makeActive(thread, mProcessStats); 6032 app.curAdj = app.setAdj = -100; 6033 app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT; 6034 app.forcingToForeground = null; 6035 updateProcessForegroundLocked(app, false, false); 6036 app.hasShownUi = false; 6037 app.debugging = false; 6038 app.cached = false; 6039 6040 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 6041 6042 boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info); 6043 List<ProviderInfo> providers = normalMode ? generateApplicationProvidersLocked(app) : null; 6044 6045 if (!normalMode) { 6046 Slog.i(TAG, "Launching preboot mode app: " + app); 6047 } 6048 6049 if (localLOGV) Slog.v( 6050 TAG, "New app record " + app 6051 + " thread=" + thread.asBinder() + " pid=" + pid); 6052 try { 6053 int testMode = IApplicationThread.DEBUG_OFF; 6054 if (mDebugApp != null && mDebugApp.equals(processName)) { 6055 testMode = mWaitForDebugger 6056 ? IApplicationThread.DEBUG_WAIT 6057 : IApplicationThread.DEBUG_ON; 6058 app.debugging = true; 6059 if (mDebugTransient) { 6060 mDebugApp = mOrigDebugApp; 6061 mWaitForDebugger = mOrigWaitForDebugger; 6062 } 6063 } 6064 String profileFile = app.instrumentationProfileFile; 6065 ParcelFileDescriptor profileFd = null; 6066 int samplingInterval = 0; 6067 boolean profileAutoStop = false; 6068 if (mProfileApp != null && mProfileApp.equals(processName)) { 6069 mProfileProc = app; 6070 profileFile = mProfileFile; 6071 profileFd = mProfileFd; 6072 samplingInterval = mSamplingInterval; 6073 profileAutoStop = mAutoStopProfiler; 6074 } 6075 boolean enableOpenGlTrace = false; 6076 if (mOpenGlTraceApp != null && mOpenGlTraceApp.equals(processName)) { 6077 enableOpenGlTrace = true; 6078 mOpenGlTraceApp = null; 6079 } 6080 6081 // If the app is being launched for restore or full backup, set it up specially 6082 boolean isRestrictedBackupMode = false; 6083 if (mBackupTarget != null && mBackupAppName.equals(processName)) { 6084 isRestrictedBackupMode = (mBackupTarget.backupMode == BackupRecord.RESTORE) 6085 || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL) 6086 || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL); 6087 } 6088 6089 ensurePackageDexOpt(app.instrumentationInfo != null 6090 ? app.instrumentationInfo.packageName 6091 : app.info.packageName); 6092 if (app.instrumentationClass != null) { 6093 ensurePackageDexOpt(app.instrumentationClass.getPackageName()); 6094 } 6095 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Binding proc " 6096 + processName + " with config " + mConfiguration); 6097 ApplicationInfo appInfo = app.instrumentationInfo != null 6098 ? app.instrumentationInfo : app.info; 6099 app.compat = compatibilityInfoForPackageLocked(appInfo); 6100 if (profileFd != null) { 6101 profileFd = profileFd.dup(); 6102 } 6103 ProfilerInfo profilerInfo = profileFile == null ? null 6104 : new ProfilerInfo(profileFile, profileFd, samplingInterval, profileAutoStop); 6105 thread.bindApplication(processName, appInfo, providers, app.instrumentationClass, 6106 profilerInfo, app.instrumentationArguments, app.instrumentationWatcher, 6107 app.instrumentationUiAutomationConnection, testMode, enableOpenGlTrace, 6108 isRestrictedBackupMode || !normalMode, app.persistent, 6109 new Configuration(mConfiguration), app.compat, getCommonServicesLocked(), 6110 mCoreSettingsObserver.getCoreSettingsLocked()); 6111 updateLruProcessLocked(app, false, null); 6112 app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis(); 6113 } catch (Exception e) { 6114 // todo: Yikes! What should we do? For now we will try to 6115 // start another process, but that could easily get us in 6116 // an infinite loop of restarting processes... 6117 Slog.w(TAG, "Exception thrown during bind!", e); 6118 6119 app.resetPackageList(mProcessStats); 6120 app.unlinkDeathRecipient(); 6121 startProcessLocked(app, "bind fail", processName); 6122 return false; 6123 } 6124 6125 // Remove this record from the list of starting applications. 6126 mPersistentStartingProcesses.remove(app); 6127 if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, 6128 "Attach application locked removing on hold: " + app); 6129 mProcessesOnHold.remove(app); 6130 6131 boolean badApp = false; 6132 boolean didSomething = false; 6133 6134 // See if the top visible activity is waiting to run in this process... 6135 if (normalMode) { 6136 try { 6137 if (mStackSupervisor.attachApplicationLocked(app)) { 6138 didSomething = true; 6139 } 6140 } catch (Exception e) { 6141 badApp = true; 6142 } 6143 } 6144 6145 // Find any services that should be running in this process... 6146 if (!badApp) { 6147 try { 6148 didSomething |= mServices.attachApplicationLocked(app, processName); 6149 } catch (Exception e) { 6150 badApp = true; 6151 } 6152 } 6153 6154 // Check if a next-broadcast receiver is in this process... 6155 if (!badApp && isPendingBroadcastProcessLocked(pid)) { 6156 try { 6157 didSomething |= sendPendingBroadcastsLocked(app); 6158 } catch (Exception e) { 6159 // If the app died trying to launch the receiver we declare it 'bad' 6160 badApp = true; 6161 } 6162 } 6163 6164 // Check whether the next backup agent is in this process... 6165 if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.uid) { 6166 if (DEBUG_BACKUP) Slog.v(TAG, "New app is backup target, launching agent for " + app); 6167 ensurePackageDexOpt(mBackupTarget.appInfo.packageName); 6168 try { 6169 thread.scheduleCreateBackupAgent(mBackupTarget.appInfo, 6170 compatibilityInfoForPackageLocked(mBackupTarget.appInfo), 6171 mBackupTarget.backupMode); 6172 } catch (Exception e) { 6173 Slog.w(TAG, "Exception scheduling backup agent creation: "); 6174 e.printStackTrace(); 6175 } 6176 } 6177 6178 if (badApp) { 6179 // todo: Also need to kill application to deal with all 6180 // kinds of exceptions. 6181 handleAppDiedLocked(app, false, true); 6182 return false; 6183 } 6184 6185 if (!didSomething) { 6186 updateOomAdjLocked(); 6187 } 6188 6189 return true; 6190 } 6191 6192 @Override 6193 public final void attachApplication(IApplicationThread thread) { 6194 synchronized (this) { 6195 int callingPid = Binder.getCallingPid(); 6196 final long origId = Binder.clearCallingIdentity(); 6197 attachApplicationLocked(thread, callingPid); 6198 Binder.restoreCallingIdentity(origId); 6199 } 6200 } 6201 6202 @Override 6203 public final void activityIdle(IBinder token, Configuration config, boolean stopProfiling) { 6204 final long origId = Binder.clearCallingIdentity(); 6205 synchronized (this) { 6206 ActivityStack stack = ActivityRecord.getStackLocked(token); 6207 if (stack != null) { 6208 ActivityRecord r = 6209 mStackSupervisor.activityIdleInternalLocked(token, false, config); 6210 if (stopProfiling) { 6211 if ((mProfileProc == r.app) && (mProfileFd != null)) { 6212 try { 6213 mProfileFd.close(); 6214 } catch (IOException e) { 6215 } 6216 clearProfilerLocked(); 6217 } 6218 } 6219 } 6220 } 6221 Binder.restoreCallingIdentity(origId); 6222 } 6223 6224 void postEnableScreenAfterBootLocked() { 6225 mHandler.sendEmptyMessage(ENABLE_SCREEN_AFTER_BOOT_MSG); 6226 } 6227 6228 void enableScreenAfterBoot() { 6229 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_ENABLE_SCREEN, 6230 SystemClock.uptimeMillis()); 6231 mWindowManager.enableScreenAfterBoot(); 6232 6233 synchronized (this) { 6234 updateEventDispatchingLocked(); 6235 } 6236 } 6237 6238 @Override 6239 public void showBootMessage(final CharSequence msg, final boolean always) { 6240 enforceNotIsolatedCaller("showBootMessage"); 6241 mWindowManager.showBootMessage(msg, always); 6242 } 6243 6244 @Override 6245 public void keyguardWaitingForActivityDrawn() { 6246 enforceNotIsolatedCaller("keyguardWaitingForActivityDrawn"); 6247 final long token = Binder.clearCallingIdentity(); 6248 try { 6249 synchronized (this) { 6250 if (DEBUG_LOCKSCREEN) logLockScreen(""); 6251 mWindowManager.keyguardWaitingForActivityDrawn(); 6252 mKeyguardWaitingForDraw = true; 6253 } 6254 } finally { 6255 Binder.restoreCallingIdentity(token); 6256 } 6257 } 6258 6259 final void finishBooting() { 6260 synchronized (this) { 6261 if (!mBootAnimationComplete) { 6262 mCallFinishBooting = true; 6263 return; 6264 } 6265 mCallFinishBooting = false; 6266 } 6267 6268 // Register receivers to handle package update events 6269 mPackageMonitor.register(mContext, Looper.getMainLooper(), false); 6270 6271 // Let system services know. 6272 mSystemServiceManager.startBootPhase(SystemService.PHASE_BOOT_COMPLETED); 6273 6274 synchronized (this) { 6275 // Ensure that any processes we had put on hold are now started 6276 // up. 6277 final int NP = mProcessesOnHold.size(); 6278 if (NP > 0) { 6279 ArrayList<ProcessRecord> procs = 6280 new ArrayList<ProcessRecord>(mProcessesOnHold); 6281 for (int ip=0; ip<NP; ip++) { 6282 if (DEBUG_PROCESSES) Slog.v(TAG, "Starting process on hold: " 6283 + procs.get(ip)); 6284 startProcessLocked(procs.get(ip), "on-hold", null); 6285 } 6286 } 6287 6288 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 6289 // Start looking for apps that are abusing wake locks. 6290 Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 6291 mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 6292 // Tell anyone interested that we are done booting! 6293 SystemProperties.set("sys.boot_completed", "1"); 6294 SystemProperties.set("dev.bootcomplete", "1"); 6295 for (int i=0; i<mStartedUsers.size(); i++) { 6296 UserStartedState uss = mStartedUsers.valueAt(i); 6297 if (uss.mState == UserStartedState.STATE_BOOTING) { 6298 uss.mState = UserStartedState.STATE_RUNNING; 6299 final int userId = mStartedUsers.keyAt(i); 6300 Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); 6301 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 6302 intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT); 6303 broadcastIntentLocked(null, null, intent, null, 6304 new IIntentReceiver.Stub() { 6305 @Override 6306 public void performReceive(Intent intent, int resultCode, 6307 String data, Bundle extras, boolean ordered, 6308 boolean sticky, int sendingUser) { 6309 synchronized (ActivityManagerService.this) { 6310 requestPssAllProcsLocked(SystemClock.uptimeMillis(), 6311 true, false); 6312 } 6313 } 6314 }, 6315 0, null, null, 6316 android.Manifest.permission.RECEIVE_BOOT_COMPLETED, 6317 AppOpsManager.OP_NONE, true, false, MY_PID, Process.SYSTEM_UID, 6318 userId); 6319 } 6320 } 6321 scheduleStartProfilesLocked(); 6322 } 6323 } 6324 } 6325 6326 @Override 6327 public void bootAnimationComplete() { 6328 final boolean callFinishBooting; 6329 synchronized (this) { 6330 callFinishBooting = mCallFinishBooting; 6331 mBootAnimationComplete = true; 6332 } 6333 if (callFinishBooting) { 6334 finishBooting(); 6335 } 6336 } 6337 6338 final void ensureBootCompleted() { 6339 boolean booting; 6340 boolean enableScreen; 6341 synchronized (this) { 6342 booting = mBooting; 6343 mBooting = false; 6344 enableScreen = !mBooted; 6345 mBooted = true; 6346 } 6347 6348 if (booting) { 6349 finishBooting(); 6350 } 6351 6352 if (enableScreen) { 6353 enableScreenAfterBoot(); 6354 } 6355 } 6356 6357 @Override 6358 public final void activityResumed(IBinder token) { 6359 final long origId = Binder.clearCallingIdentity(); 6360 synchronized(this) { 6361 ActivityStack stack = ActivityRecord.getStackLocked(token); 6362 if (stack != null) { 6363 ActivityRecord.activityResumedLocked(token); 6364 } 6365 } 6366 Binder.restoreCallingIdentity(origId); 6367 } 6368 6369 @Override 6370 public final void activityPaused(IBinder token) { 6371 final long origId = Binder.clearCallingIdentity(); 6372 synchronized(this) { 6373 ActivityStack stack = ActivityRecord.getStackLocked(token); 6374 if (stack != null) { 6375 stack.activityPausedLocked(token, false); 6376 } 6377 } 6378 Binder.restoreCallingIdentity(origId); 6379 } 6380 6381 @Override 6382 public final void activityStopped(IBinder token, Bundle icicle, 6383 PersistableBundle persistentState, CharSequence description) { 6384 if (localLOGV) Slog.v(TAG, "Activity stopped: token=" + token); 6385 6386 // Refuse possible leaked file descriptors 6387 if (icicle != null && icicle.hasFileDescriptors()) { 6388 throw new IllegalArgumentException("File descriptors passed in Bundle"); 6389 } 6390 6391 final long origId = Binder.clearCallingIdentity(); 6392 6393 synchronized (this) { 6394 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6395 if (r != null) { 6396 r.task.stack.activityStoppedLocked(r, icicle, persistentState, description); 6397 } 6398 } 6399 6400 trimApplications(); 6401 6402 Binder.restoreCallingIdentity(origId); 6403 } 6404 6405 @Override 6406 public final void activityDestroyed(IBinder token) { 6407 if (DEBUG_SWITCH) Slog.v(TAG, "ACTIVITY DESTROYED: " + token); 6408 synchronized (this) { 6409 ActivityStack stack = ActivityRecord.getStackLocked(token); 6410 if (stack != null) { 6411 stack.activityDestroyedLocked(token); 6412 } 6413 } 6414 } 6415 6416 @Override 6417 public final void backgroundResourcesReleased(IBinder token) { 6418 final long origId = Binder.clearCallingIdentity(); 6419 try { 6420 synchronized (this) { 6421 ActivityStack stack = ActivityRecord.getStackLocked(token); 6422 if (stack != null) { 6423 stack.backgroundResourcesReleased(token); 6424 } 6425 } 6426 } finally { 6427 Binder.restoreCallingIdentity(origId); 6428 } 6429 } 6430 6431 @Override 6432 public final void notifyLaunchTaskBehindComplete(IBinder token) { 6433 mStackSupervisor.scheduleLaunchTaskBehindComplete(token); 6434 } 6435 6436 @Override 6437 public final void notifyEnterAnimationComplete(IBinder token) { 6438 mHandler.sendMessage(mHandler.obtainMessage(ENTER_ANIMATION_COMPLETE_MSG, token)); 6439 } 6440 6441 @Override 6442 public String getCallingPackage(IBinder token) { 6443 synchronized (this) { 6444 ActivityRecord r = getCallingRecordLocked(token); 6445 return r != null ? r.info.packageName : null; 6446 } 6447 } 6448 6449 @Override 6450 public ComponentName getCallingActivity(IBinder token) { 6451 synchronized (this) { 6452 ActivityRecord r = getCallingRecordLocked(token); 6453 return r != null ? r.intent.getComponent() : null; 6454 } 6455 } 6456 6457 private ActivityRecord getCallingRecordLocked(IBinder token) { 6458 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6459 if (r == null) { 6460 return null; 6461 } 6462 return r.resultTo; 6463 } 6464 6465 @Override 6466 public ComponentName getActivityClassForToken(IBinder token) { 6467 synchronized(this) { 6468 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6469 if (r == null) { 6470 return null; 6471 } 6472 return r.intent.getComponent(); 6473 } 6474 } 6475 6476 @Override 6477 public String getPackageForToken(IBinder token) { 6478 synchronized(this) { 6479 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6480 if (r == null) { 6481 return null; 6482 } 6483 return r.packageName; 6484 } 6485 } 6486 6487 @Override 6488 public IIntentSender getIntentSender(int type, 6489 String packageName, IBinder token, String resultWho, 6490 int requestCode, Intent[] intents, String[] resolvedTypes, 6491 int flags, Bundle options, int userId) { 6492 enforceNotIsolatedCaller("getIntentSender"); 6493 // Refuse possible leaked file descriptors 6494 if (intents != null) { 6495 if (intents.length < 1) { 6496 throw new IllegalArgumentException("Intents array length must be >= 1"); 6497 } 6498 for (int i=0; i<intents.length; i++) { 6499 Intent intent = intents[i]; 6500 if (intent != null) { 6501 if (intent.hasFileDescriptors()) { 6502 throw new IllegalArgumentException("File descriptors passed in Intent"); 6503 } 6504 if (type == ActivityManager.INTENT_SENDER_BROADCAST && 6505 (intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { 6506 throw new IllegalArgumentException( 6507 "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); 6508 } 6509 intents[i] = new Intent(intent); 6510 } 6511 } 6512 if (resolvedTypes != null && resolvedTypes.length != intents.length) { 6513 throw new IllegalArgumentException( 6514 "Intent array length does not match resolvedTypes length"); 6515 } 6516 } 6517 if (options != null) { 6518 if (options.hasFileDescriptors()) { 6519 throw new IllegalArgumentException("File descriptors passed in options"); 6520 } 6521 } 6522 6523 synchronized(this) { 6524 int callingUid = Binder.getCallingUid(); 6525 int origUserId = userId; 6526 userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, 6527 type == ActivityManager.INTENT_SENDER_BROADCAST, 6528 ALLOW_NON_FULL, "getIntentSender", null); 6529 if (origUserId == UserHandle.USER_CURRENT) { 6530 // We don't want to evaluate this until the pending intent is 6531 // actually executed. However, we do want to always do the 6532 // security checking for it above. 6533 userId = UserHandle.USER_CURRENT; 6534 } 6535 try { 6536 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 6537 int uid = AppGlobals.getPackageManager() 6538 .getPackageUid(packageName, UserHandle.getUserId(callingUid)); 6539 if (!UserHandle.isSameApp(callingUid, uid)) { 6540 String msg = "Permission Denial: getIntentSender() from pid=" 6541 + Binder.getCallingPid() 6542 + ", uid=" + Binder.getCallingUid() 6543 + ", (need uid=" + uid + ")" 6544 + " is not allowed to send as package " + packageName; 6545 Slog.w(TAG, msg); 6546 throw new SecurityException(msg); 6547 } 6548 } 6549 6550 return getIntentSenderLocked(type, packageName, callingUid, userId, 6551 token, resultWho, requestCode, intents, resolvedTypes, flags, options); 6552 6553 } catch (RemoteException e) { 6554 throw new SecurityException(e); 6555 } 6556 } 6557 } 6558 6559 IIntentSender getIntentSenderLocked(int type, String packageName, 6560 int callingUid, int userId, IBinder token, String resultWho, 6561 int requestCode, Intent[] intents, String[] resolvedTypes, int flags, 6562 Bundle options) { 6563 if (DEBUG_MU) 6564 Slog.v(TAG_MU, "getIntentSenderLocked(): uid=" + callingUid); 6565 ActivityRecord activity = null; 6566 if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { 6567 activity = ActivityRecord.isInStackLocked(token); 6568 if (activity == null) { 6569 return null; 6570 } 6571 if (activity.finishing) { 6572 return null; 6573 } 6574 } 6575 6576 final boolean noCreate = (flags&PendingIntent.FLAG_NO_CREATE) != 0; 6577 final boolean cancelCurrent = (flags&PendingIntent.FLAG_CANCEL_CURRENT) != 0; 6578 final boolean updateCurrent = (flags&PendingIntent.FLAG_UPDATE_CURRENT) != 0; 6579 flags &= ~(PendingIntent.FLAG_NO_CREATE|PendingIntent.FLAG_CANCEL_CURRENT 6580 |PendingIntent.FLAG_UPDATE_CURRENT); 6581 6582 PendingIntentRecord.Key key = new PendingIntentRecord.Key( 6583 type, packageName, activity, resultWho, 6584 requestCode, intents, resolvedTypes, flags, options, userId); 6585 WeakReference<PendingIntentRecord> ref; 6586 ref = mIntentSenderRecords.get(key); 6587 PendingIntentRecord rec = ref != null ? ref.get() : null; 6588 if (rec != null) { 6589 if (!cancelCurrent) { 6590 if (updateCurrent) { 6591 if (rec.key.requestIntent != null) { 6592 rec.key.requestIntent.replaceExtras(intents != null ? 6593 intents[intents.length - 1] : null); 6594 } 6595 if (intents != null) { 6596 intents[intents.length-1] = rec.key.requestIntent; 6597 rec.key.allIntents = intents; 6598 rec.key.allResolvedTypes = resolvedTypes; 6599 } else { 6600 rec.key.allIntents = null; 6601 rec.key.allResolvedTypes = null; 6602 } 6603 } 6604 return rec; 6605 } 6606 rec.canceled = true; 6607 mIntentSenderRecords.remove(key); 6608 } 6609 if (noCreate) { 6610 return rec; 6611 } 6612 rec = new PendingIntentRecord(this, key, callingUid); 6613 mIntentSenderRecords.put(key, rec.ref); 6614 if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { 6615 if (activity.pendingResults == null) { 6616 activity.pendingResults 6617 = new HashSet<WeakReference<PendingIntentRecord>>(); 6618 } 6619 activity.pendingResults.add(rec.ref); 6620 } 6621 return rec; 6622 } 6623 6624 @Override 6625 public void cancelIntentSender(IIntentSender sender) { 6626 if (!(sender instanceof PendingIntentRecord)) { 6627 return; 6628 } 6629 synchronized(this) { 6630 PendingIntentRecord rec = (PendingIntentRecord)sender; 6631 try { 6632 int uid = AppGlobals.getPackageManager() 6633 .getPackageUid(rec.key.packageName, UserHandle.getCallingUserId()); 6634 if (!UserHandle.isSameApp(uid, Binder.getCallingUid())) { 6635 String msg = "Permission Denial: cancelIntentSender() from pid=" 6636 + Binder.getCallingPid() 6637 + ", uid=" + Binder.getCallingUid() 6638 + " is not allowed to cancel packges " 6639 + rec.key.packageName; 6640 Slog.w(TAG, msg); 6641 throw new SecurityException(msg); 6642 } 6643 } catch (RemoteException e) { 6644 throw new SecurityException(e); 6645 } 6646 cancelIntentSenderLocked(rec, true); 6647 } 6648 } 6649 6650 void cancelIntentSenderLocked(PendingIntentRecord rec, boolean cleanActivity) { 6651 rec.canceled = true; 6652 mIntentSenderRecords.remove(rec.key); 6653 if (cleanActivity && rec.key.activity != null) { 6654 rec.key.activity.pendingResults.remove(rec.ref); 6655 } 6656 } 6657 6658 @Override 6659 public String getPackageForIntentSender(IIntentSender pendingResult) { 6660 if (!(pendingResult instanceof PendingIntentRecord)) { 6661 return null; 6662 } 6663 try { 6664 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6665 return res.key.packageName; 6666 } catch (ClassCastException e) { 6667 } 6668 return null; 6669 } 6670 6671 @Override 6672 public int getUidForIntentSender(IIntentSender sender) { 6673 if (sender instanceof PendingIntentRecord) { 6674 try { 6675 PendingIntentRecord res = (PendingIntentRecord)sender; 6676 return res.uid; 6677 } catch (ClassCastException e) { 6678 } 6679 } 6680 return -1; 6681 } 6682 6683 @Override 6684 public boolean isIntentSenderTargetedToPackage(IIntentSender pendingResult) { 6685 if (!(pendingResult instanceof PendingIntentRecord)) { 6686 return false; 6687 } 6688 try { 6689 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6690 if (res.key.allIntents == null) { 6691 return false; 6692 } 6693 for (int i=0; i<res.key.allIntents.length; i++) { 6694 Intent intent = res.key.allIntents[i]; 6695 if (intent.getPackage() != null && intent.getComponent() != null) { 6696 return false; 6697 } 6698 } 6699 return true; 6700 } catch (ClassCastException e) { 6701 } 6702 return false; 6703 } 6704 6705 @Override 6706 public boolean isIntentSenderAnActivity(IIntentSender pendingResult) { 6707 if (!(pendingResult instanceof PendingIntentRecord)) { 6708 return false; 6709 } 6710 try { 6711 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6712 if (res.key.type == ActivityManager.INTENT_SENDER_ACTIVITY) { 6713 return true; 6714 } 6715 return false; 6716 } catch (ClassCastException e) { 6717 } 6718 return false; 6719 } 6720 6721 @Override 6722 public Intent getIntentForIntentSender(IIntentSender pendingResult) { 6723 if (!(pendingResult instanceof PendingIntentRecord)) { 6724 return null; 6725 } 6726 try { 6727 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6728 return res.key.requestIntent != null ? new Intent(res.key.requestIntent) : null; 6729 } catch (ClassCastException e) { 6730 } 6731 return null; 6732 } 6733 6734 @Override 6735 public String getTagForIntentSender(IIntentSender pendingResult, String prefix) { 6736 if (!(pendingResult instanceof PendingIntentRecord)) { 6737 return null; 6738 } 6739 try { 6740 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6741 Intent intent = res.key.requestIntent; 6742 if (intent != null) { 6743 if (res.lastTag != null && res.lastTagPrefix == prefix && (res.lastTagPrefix == null 6744 || res.lastTagPrefix.equals(prefix))) { 6745 return res.lastTag; 6746 } 6747 res.lastTagPrefix = prefix; 6748 StringBuilder sb = new StringBuilder(128); 6749 if (prefix != null) { 6750 sb.append(prefix); 6751 } 6752 if (intent.getAction() != null) { 6753 sb.append(intent.getAction()); 6754 } else if (intent.getComponent() != null) { 6755 intent.getComponent().appendShortString(sb); 6756 } else { 6757 sb.append("?"); 6758 } 6759 return res.lastTag = sb.toString(); 6760 } 6761 } catch (ClassCastException e) { 6762 } 6763 return null; 6764 } 6765 6766 @Override 6767 public void setProcessLimit(int max) { 6768 enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, 6769 "setProcessLimit()"); 6770 synchronized (this) { 6771 mProcessLimit = max < 0 ? ProcessList.MAX_CACHED_APPS : max; 6772 mProcessLimitOverride = max; 6773 } 6774 trimApplications(); 6775 } 6776 6777 @Override 6778 public int getProcessLimit() { 6779 synchronized (this) { 6780 return mProcessLimitOverride; 6781 } 6782 } 6783 6784 void foregroundTokenDied(ForegroundToken token) { 6785 synchronized (ActivityManagerService.this) { 6786 synchronized (mPidsSelfLocked) { 6787 ForegroundToken cur 6788 = mForegroundProcesses.get(token.pid); 6789 if (cur != token) { 6790 return; 6791 } 6792 mForegroundProcesses.remove(token.pid); 6793 ProcessRecord pr = mPidsSelfLocked.get(token.pid); 6794 if (pr == null) { 6795 return; 6796 } 6797 pr.forcingToForeground = null; 6798 updateProcessForegroundLocked(pr, false, false); 6799 } 6800 updateOomAdjLocked(); 6801 } 6802 } 6803 6804 @Override 6805 public void setProcessForeground(IBinder token, int pid, boolean isForeground) { 6806 enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, 6807 "setProcessForeground()"); 6808 synchronized(this) { 6809 boolean changed = false; 6810 6811 synchronized (mPidsSelfLocked) { 6812 ProcessRecord pr = mPidsSelfLocked.get(pid); 6813 if (pr == null && isForeground) { 6814 Slog.w(TAG, "setProcessForeground called on unknown pid: " + pid); 6815 return; 6816 } 6817 ForegroundToken oldToken = mForegroundProcesses.get(pid); 6818 if (oldToken != null) { 6819 oldToken.token.unlinkToDeath(oldToken, 0); 6820 mForegroundProcesses.remove(pid); 6821 if (pr != null) { 6822 pr.forcingToForeground = null; 6823 } 6824 changed = true; 6825 } 6826 if (isForeground && token != null) { 6827 ForegroundToken newToken = new ForegroundToken() { 6828 @Override 6829 public void binderDied() { 6830 foregroundTokenDied(this); 6831 } 6832 }; 6833 newToken.pid = pid; 6834 newToken.token = token; 6835 try { 6836 token.linkToDeath(newToken, 0); 6837 mForegroundProcesses.put(pid, newToken); 6838 pr.forcingToForeground = token; 6839 changed = true; 6840 } catch (RemoteException e) { 6841 // If the process died while doing this, we will later 6842 // do the cleanup with the process death link. 6843 } 6844 } 6845 } 6846 6847 if (changed) { 6848 updateOomAdjLocked(); 6849 } 6850 } 6851 } 6852 6853 // ========================================================= 6854 // PERMISSIONS 6855 // ========================================================= 6856 6857 static class PermissionController extends IPermissionController.Stub { 6858 ActivityManagerService mActivityManagerService; 6859 PermissionController(ActivityManagerService activityManagerService) { 6860 mActivityManagerService = activityManagerService; 6861 } 6862 6863 @Override 6864 public boolean checkPermission(String permission, int pid, int uid) { 6865 return mActivityManagerService.checkPermission(permission, pid, 6866 uid) == PackageManager.PERMISSION_GRANTED; 6867 } 6868 } 6869 6870 class IntentFirewallInterface implements IntentFirewall.AMSInterface { 6871 @Override 6872 public int checkComponentPermission(String permission, int pid, int uid, 6873 int owningUid, boolean exported) { 6874 return ActivityManagerService.this.checkComponentPermission(permission, pid, uid, 6875 owningUid, exported); 6876 } 6877 6878 @Override 6879 public Object getAMSLock() { 6880 return ActivityManagerService.this; 6881 } 6882 } 6883 6884 /** 6885 * This can be called with or without the global lock held. 6886 */ 6887 int checkComponentPermission(String permission, int pid, int uid, 6888 int owningUid, boolean exported) { 6889 // We might be performing an operation on behalf of an indirect binder 6890 // invocation, e.g. via {@link #openContentUri}. Check and adjust the 6891 // client identity accordingly before proceeding. 6892 Identity tlsIdentity = sCallerIdentity.get(); 6893 if (tlsIdentity != null) { 6894 Slog.d(TAG, "checkComponentPermission() adjusting {pid,uid} to {" 6895 + tlsIdentity.pid + "," + tlsIdentity.uid + "}"); 6896 uid = tlsIdentity.uid; 6897 pid = tlsIdentity.pid; 6898 } 6899 6900 if (pid == MY_PID) { 6901 return PackageManager.PERMISSION_GRANTED; 6902 } 6903 6904 return ActivityManager.checkComponentPermission(permission, uid, 6905 owningUid, exported); 6906 } 6907 6908 /** 6909 * As the only public entry point for permissions checking, this method 6910 * can enforce the semantic that requesting a check on a null global 6911 * permission is automatically denied. (Internally a null permission 6912 * string is used when calling {@link #checkComponentPermission} in cases 6913 * when only uid-based security is needed.) 6914 * 6915 * This can be called with or without the global lock held. 6916 */ 6917 @Override 6918 public int checkPermission(String permission, int pid, int uid) { 6919 if (permission == null) { 6920 return PackageManager.PERMISSION_DENIED; 6921 } 6922 return checkComponentPermission(permission, pid, UserHandle.getAppId(uid), -1, true); 6923 } 6924 6925 /** 6926 * Binder IPC calls go through the public entry point. 6927 * This can be called with or without the global lock held. 6928 */ 6929 int checkCallingPermission(String permission) { 6930 return checkPermission(permission, 6931 Binder.getCallingPid(), 6932 UserHandle.getAppId(Binder.getCallingUid())); 6933 } 6934 6935 /** 6936 * This can be called with or without the global lock held. 6937 */ 6938 void enforceCallingPermission(String permission, String func) { 6939 if (checkCallingPermission(permission) 6940 == PackageManager.PERMISSION_GRANTED) { 6941 return; 6942 } 6943 6944 String msg = "Permission Denial: " + func + " from pid=" 6945 + Binder.getCallingPid() 6946 + ", uid=" + Binder.getCallingUid() 6947 + " requires " + permission; 6948 Slog.w(TAG, msg); 6949 throw new SecurityException(msg); 6950 } 6951 6952 /** 6953 * Determine if UID is holding permissions required to access {@link Uri} in 6954 * the given {@link ProviderInfo}. Final permission checking is always done 6955 * in {@link ContentProvider}. 6956 */ 6957 private final boolean checkHoldingPermissionsLocked( 6958 IPackageManager pm, ProviderInfo pi, GrantUri grantUri, int uid, final int modeFlags) { 6959 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6960 "checkHoldingPermissionsLocked: uri=" + grantUri + " uid=" + uid); 6961 if (UserHandle.getUserId(uid) != grantUri.sourceUserId) { 6962 if (ActivityManager.checkComponentPermission(INTERACT_ACROSS_USERS, uid, -1, true) 6963 != PERMISSION_GRANTED) { 6964 return false; 6965 } 6966 } 6967 return checkHoldingPermissionsInternalLocked(pm, pi, grantUri, uid, modeFlags, true); 6968 } 6969 6970 private final boolean checkHoldingPermissionsInternalLocked(IPackageManager pm, ProviderInfo pi, 6971 GrantUri grantUri, int uid, final int modeFlags, boolean considerUidPermissions) { 6972 if (pi.applicationInfo.uid == uid) { 6973 return true; 6974 } else if (!pi.exported) { 6975 return false; 6976 } 6977 6978 boolean readMet = (modeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) == 0; 6979 boolean writeMet = (modeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) == 0; 6980 try { 6981 // check if target holds top-level <provider> permissions 6982 if (!readMet && pi.readPermission != null && considerUidPermissions 6983 && (pm.checkUidPermission(pi.readPermission, uid) == PERMISSION_GRANTED)) { 6984 readMet = true; 6985 } 6986 if (!writeMet && pi.writePermission != null && considerUidPermissions 6987 && (pm.checkUidPermission(pi.writePermission, uid) == PERMISSION_GRANTED)) { 6988 writeMet = true; 6989 } 6990 6991 // track if unprotected read/write is allowed; any denied 6992 // <path-permission> below removes this ability 6993 boolean allowDefaultRead = pi.readPermission == null; 6994 boolean allowDefaultWrite = pi.writePermission == null; 6995 6996 // check if target holds any <path-permission> that match uri 6997 final PathPermission[] pps = pi.pathPermissions; 6998 if (pps != null) { 6999 final String path = grantUri.uri.getPath(); 7000 int i = pps.length; 7001 while (i > 0 && (!readMet || !writeMet)) { 7002 i--; 7003 PathPermission pp = pps[i]; 7004 if (pp.match(path)) { 7005 if (!readMet) { 7006 final String pprperm = pp.getReadPermission(); 7007 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking read perm for " 7008 + pprperm + " for " + pp.getPath() 7009 + ": match=" + pp.match(path) 7010 + " check=" + pm.checkUidPermission(pprperm, uid)); 7011 if (pprperm != null) { 7012 if (considerUidPermissions && pm.checkUidPermission(pprperm, uid) 7013 == PERMISSION_GRANTED) { 7014 readMet = true; 7015 } else { 7016 allowDefaultRead = false; 7017 } 7018 } 7019 } 7020 if (!writeMet) { 7021 final String ppwperm = pp.getWritePermission(); 7022 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking write perm " 7023 + ppwperm + " for " + pp.getPath() 7024 + ": match=" + pp.match(path) 7025 + " check=" + pm.checkUidPermission(ppwperm, uid)); 7026 if (ppwperm != null) { 7027 if (considerUidPermissions && pm.checkUidPermission(ppwperm, uid) 7028 == PERMISSION_GRANTED) { 7029 writeMet = true; 7030 } else { 7031 allowDefaultWrite = false; 7032 } 7033 } 7034 } 7035 } 7036 } 7037 } 7038 7039 // grant unprotected <provider> read/write, if not blocked by 7040 // <path-permission> above 7041 if (allowDefaultRead) readMet = true; 7042 if (allowDefaultWrite) writeMet = true; 7043 7044 } catch (RemoteException e) { 7045 return false; 7046 } 7047 7048 return readMet && writeMet; 7049 } 7050 7051 private ProviderInfo getProviderInfoLocked(String authority, int userHandle) { 7052 ProviderInfo pi = null; 7053 ContentProviderRecord cpr = mProviderMap.getProviderByName(authority, userHandle); 7054 if (cpr != null) { 7055 pi = cpr.info; 7056 } else { 7057 try { 7058 pi = AppGlobals.getPackageManager().resolveContentProvider( 7059 authority, PackageManager.GET_URI_PERMISSION_PATTERNS, userHandle); 7060 } catch (RemoteException ex) { 7061 } 7062 } 7063 return pi; 7064 } 7065 7066 private UriPermission findUriPermissionLocked(int targetUid, GrantUri grantUri) { 7067 final ArrayMap<GrantUri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); 7068 if (targetUris != null) { 7069 return targetUris.get(grantUri); 7070 } 7071 return null; 7072 } 7073 7074 private UriPermission findOrCreateUriPermissionLocked(String sourcePkg, 7075 String targetPkg, int targetUid, GrantUri grantUri) { 7076 ArrayMap<GrantUri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); 7077 if (targetUris == null) { 7078 targetUris = Maps.newArrayMap(); 7079 mGrantedUriPermissions.put(targetUid, targetUris); 7080 } 7081 7082 UriPermission perm = targetUris.get(grantUri); 7083 if (perm == null) { 7084 perm = new UriPermission(sourcePkg, targetPkg, targetUid, grantUri); 7085 targetUris.put(grantUri, perm); 7086 } 7087 7088 return perm; 7089 } 7090 7091 private final boolean checkUriPermissionLocked(GrantUri grantUri, int uid, 7092 final int modeFlags) { 7093 final boolean persistable = (modeFlags & Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION) != 0; 7094 final int minStrength = persistable ? UriPermission.STRENGTH_PERSISTABLE 7095 : UriPermission.STRENGTH_OWNED; 7096 7097 // Root gets to do everything. 7098 if (uid == 0) { 7099 return true; 7100 } 7101 7102 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(uid); 7103 if (perms == null) return false; 7104 7105 // First look for exact match 7106 final UriPermission exactPerm = perms.get(grantUri); 7107 if (exactPerm != null && exactPerm.getStrength(modeFlags) >= minStrength) { 7108 return true; 7109 } 7110 7111 // No exact match, look for prefixes 7112 final int N = perms.size(); 7113 for (int i = 0; i < N; i++) { 7114 final UriPermission perm = perms.valueAt(i); 7115 if (perm.uri.prefix && grantUri.uri.isPathPrefixMatch(perm.uri.uri) 7116 && perm.getStrength(modeFlags) >= minStrength) { 7117 return true; 7118 } 7119 } 7120 7121 return false; 7122 } 7123 7124 /** 7125 * @param uri This uri must NOT contain an embedded userId. 7126 * @param userId The userId in which the uri is to be resolved. 7127 */ 7128 @Override 7129 public int checkUriPermission(Uri uri, int pid, int uid, 7130 final int modeFlags, int userId) { 7131 enforceNotIsolatedCaller("checkUriPermission"); 7132 7133 // Another redirected-binder-call permissions check as in 7134 // {@link checkComponentPermission}. 7135 Identity tlsIdentity = sCallerIdentity.get(); 7136 if (tlsIdentity != null) { 7137 uid = tlsIdentity.uid; 7138 pid = tlsIdentity.pid; 7139 } 7140 7141 // Our own process gets to do everything. 7142 if (pid == MY_PID) { 7143 return PackageManager.PERMISSION_GRANTED; 7144 } 7145 synchronized (this) { 7146 return checkUriPermissionLocked(new GrantUri(userId, uri, false), uid, modeFlags) 7147 ? PackageManager.PERMISSION_GRANTED 7148 : PackageManager.PERMISSION_DENIED; 7149 } 7150 } 7151 7152 /** 7153 * Check if the targetPkg can be granted permission to access uri by 7154 * the callingUid using the given modeFlags. Throws a security exception 7155 * if callingUid is not allowed to do this. Returns the uid of the target 7156 * if the URI permission grant should be performed; returns -1 if it is not 7157 * needed (for example targetPkg already has permission to access the URI). 7158 * If you already know the uid of the target, you can supply it in 7159 * lastTargetUid else set that to -1. 7160 */ 7161 int checkGrantUriPermissionLocked(int callingUid, String targetPkg, GrantUri grantUri, 7162 final int modeFlags, int lastTargetUid) { 7163 if (!Intent.isAccessUriMode(modeFlags)) { 7164 return -1; 7165 } 7166 7167 if (targetPkg != null) { 7168 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7169 "Checking grant " + targetPkg + " permission to " + grantUri); 7170 } 7171 7172 final IPackageManager pm = AppGlobals.getPackageManager(); 7173 7174 // If this is not a content: uri, we can't do anything with it. 7175 if (!ContentResolver.SCHEME_CONTENT.equals(grantUri.uri.getScheme())) { 7176 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7177 "Can't grant URI permission for non-content URI: " + grantUri); 7178 return -1; 7179 } 7180 7181 final String authority = grantUri.uri.getAuthority(); 7182 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 7183 if (pi == null) { 7184 Slog.w(TAG, "No content provider found for permission check: " + 7185 grantUri.uri.toSafeString()); 7186 return -1; 7187 } 7188 7189 int targetUid = lastTargetUid; 7190 if (targetUid < 0 && targetPkg != null) { 7191 try { 7192 targetUid = pm.getPackageUid(targetPkg, UserHandle.getUserId(callingUid)); 7193 if (targetUid < 0) { 7194 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7195 "Can't grant URI permission no uid for: " + targetPkg); 7196 return -1; 7197 } 7198 } catch (RemoteException ex) { 7199 return -1; 7200 } 7201 } 7202 7203 if (targetUid >= 0) { 7204 // First... does the target actually need this permission? 7205 if (checkHoldingPermissionsLocked(pm, pi, grantUri, targetUid, modeFlags)) { 7206 // No need to grant the target this permission. 7207 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7208 "Target " + targetPkg + " already has full permission to " + grantUri); 7209 return -1; 7210 } 7211 } else { 7212 // First... there is no target package, so can anyone access it? 7213 boolean allowed = pi.exported; 7214 if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { 7215 if (pi.readPermission != null) { 7216 allowed = false; 7217 } 7218 } 7219 if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { 7220 if (pi.writePermission != null) { 7221 allowed = false; 7222 } 7223 } 7224 if (allowed) { 7225 return -1; 7226 } 7227 } 7228 7229 /* There is a special cross user grant if: 7230 * - The target is on another user. 7231 * - Apps on the current user can access the uri without any uid permissions. 7232 * In this case, we grant a uri permission, even if the ContentProvider does not normally 7233 * grant uri permissions. 7234 */ 7235 boolean specialCrossUserGrant = UserHandle.getUserId(targetUid) != grantUri.sourceUserId 7236 && checkHoldingPermissionsInternalLocked(pm, pi, grantUri, callingUid, 7237 modeFlags, false /*without considering the uid permissions*/); 7238 7239 // Second... is the provider allowing granting of URI permissions? 7240 if (!specialCrossUserGrant) { 7241 if (!pi.grantUriPermissions) { 7242 throw new SecurityException("Provider " + pi.packageName 7243 + "/" + pi.name 7244 + " does not allow granting of Uri permissions (uri " 7245 + grantUri + ")"); 7246 } 7247 if (pi.uriPermissionPatterns != null) { 7248 final int N = pi.uriPermissionPatterns.length; 7249 boolean allowed = false; 7250 for (int i=0; i<N; i++) { 7251 if (pi.uriPermissionPatterns[i] != null 7252 && pi.uriPermissionPatterns[i].match(grantUri.uri.getPath())) { 7253 allowed = true; 7254 break; 7255 } 7256 } 7257 if (!allowed) { 7258 throw new SecurityException("Provider " + pi.packageName 7259 + "/" + pi.name 7260 + " does not allow granting of permission to path of Uri " 7261 + grantUri); 7262 } 7263 } 7264 } 7265 7266 // Third... does the caller itself have permission to access 7267 // this uri? 7268 if (UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { 7269 if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) { 7270 // Require they hold a strong enough Uri permission 7271 if (!checkUriPermissionLocked(grantUri, callingUid, modeFlags)) { 7272 throw new SecurityException("Uid " + callingUid 7273 + " does not have permission to uri " + grantUri); 7274 } 7275 } 7276 } 7277 return targetUid; 7278 } 7279 7280 /** 7281 * @param uri This uri must NOT contain an embedded userId. 7282 * @param userId The userId in which the uri is to be resolved. 7283 */ 7284 @Override 7285 public int checkGrantUriPermission(int callingUid, String targetPkg, Uri uri, 7286 final int modeFlags, int userId) { 7287 enforceNotIsolatedCaller("checkGrantUriPermission"); 7288 synchronized(this) { 7289 return checkGrantUriPermissionLocked(callingUid, targetPkg, 7290 new GrantUri(userId, uri, false), modeFlags, -1); 7291 } 7292 } 7293 7294 void grantUriPermissionUncheckedLocked(int targetUid, String targetPkg, GrantUri grantUri, 7295 final int modeFlags, UriPermissionOwner owner) { 7296 if (!Intent.isAccessUriMode(modeFlags)) { 7297 return; 7298 } 7299 7300 // So here we are: the caller has the assumed permission 7301 // to the uri, and the target doesn't. Let's now give this to 7302 // the target. 7303 7304 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7305 "Granting " + targetPkg + "/" + targetUid + " permission to " + grantUri); 7306 7307 final String authority = grantUri.uri.getAuthority(); 7308 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 7309 if (pi == null) { 7310 Slog.w(TAG, "No content provider found for grant: " + grantUri.toSafeString()); 7311 return; 7312 } 7313 7314 if ((modeFlags & Intent.FLAG_GRANT_PREFIX_URI_PERMISSION) != 0) { 7315 grantUri.prefix = true; 7316 } 7317 final UriPermission perm = findOrCreateUriPermissionLocked( 7318 pi.packageName, targetPkg, targetUid, grantUri); 7319 perm.grantModes(modeFlags, owner); 7320 } 7321 7322 void grantUriPermissionLocked(int callingUid, String targetPkg, GrantUri grantUri, 7323 final int modeFlags, UriPermissionOwner owner, int targetUserId) { 7324 if (targetPkg == null) { 7325 throw new NullPointerException("targetPkg"); 7326 } 7327 int targetUid; 7328 final IPackageManager pm = AppGlobals.getPackageManager(); 7329 try { 7330 targetUid = pm.getPackageUid(targetPkg, targetUserId); 7331 } catch (RemoteException ex) { 7332 return; 7333 } 7334 7335 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, modeFlags, 7336 targetUid); 7337 if (targetUid < 0) { 7338 return; 7339 } 7340 7341 grantUriPermissionUncheckedLocked(targetUid, targetPkg, grantUri, modeFlags, 7342 owner); 7343 } 7344 7345 static class NeededUriGrants extends ArrayList<GrantUri> { 7346 final String targetPkg; 7347 final int targetUid; 7348 final int flags; 7349 7350 NeededUriGrants(String targetPkg, int targetUid, int flags) { 7351 this.targetPkg = targetPkg; 7352 this.targetUid = targetUid; 7353 this.flags = flags; 7354 } 7355 } 7356 7357 /** 7358 * Like checkGrantUriPermissionLocked, but takes an Intent. 7359 */ 7360 NeededUriGrants checkGrantUriPermissionFromIntentLocked(int callingUid, 7361 String targetPkg, Intent intent, int mode, NeededUriGrants needed, int targetUserId) { 7362 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7363 "Checking URI perm to data=" + (intent != null ? intent.getData() : null) 7364 + " clip=" + (intent != null ? intent.getClipData() : null) 7365 + " from " + intent + "; flags=0x" 7366 + Integer.toHexString(intent != null ? intent.getFlags() : 0)); 7367 7368 if (targetPkg == null) { 7369 throw new NullPointerException("targetPkg"); 7370 } 7371 7372 if (intent == null) { 7373 return null; 7374 } 7375 Uri data = intent.getData(); 7376 ClipData clip = intent.getClipData(); 7377 if (data == null && clip == null) { 7378 return null; 7379 } 7380 // Default userId for uris in the intent (if they don't specify it themselves) 7381 int contentUserHint = intent.getContentUserHint(); 7382 if (contentUserHint == UserHandle.USER_CURRENT) { 7383 contentUserHint = UserHandle.getUserId(callingUid); 7384 } 7385 final IPackageManager pm = AppGlobals.getPackageManager(); 7386 int targetUid; 7387 if (needed != null) { 7388 targetUid = needed.targetUid; 7389 } else { 7390 try { 7391 targetUid = pm.getPackageUid(targetPkg, targetUserId); 7392 } catch (RemoteException ex) { 7393 return null; 7394 } 7395 if (targetUid < 0) { 7396 if (DEBUG_URI_PERMISSION) { 7397 Slog.v(TAG, "Can't grant URI permission no uid for: " + targetPkg 7398 + " on user " + targetUserId); 7399 } 7400 return null; 7401 } 7402 } 7403 if (data != null) { 7404 GrantUri grantUri = GrantUri.resolve(contentUserHint, data); 7405 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode, 7406 targetUid); 7407 if (targetUid > 0) { 7408 if (needed == null) { 7409 needed = new NeededUriGrants(targetPkg, targetUid, mode); 7410 } 7411 needed.add(grantUri); 7412 } 7413 } 7414 if (clip != null) { 7415 for (int i=0; i<clip.getItemCount(); i++) { 7416 Uri uri = clip.getItemAt(i).getUri(); 7417 if (uri != null) { 7418 GrantUri grantUri = GrantUri.resolve(contentUserHint, uri); 7419 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode, 7420 targetUid); 7421 if (targetUid > 0) { 7422 if (needed == null) { 7423 needed = new NeededUriGrants(targetPkg, targetUid, mode); 7424 } 7425 needed.add(grantUri); 7426 } 7427 } else { 7428 Intent clipIntent = clip.getItemAt(i).getIntent(); 7429 if (clipIntent != null) { 7430 NeededUriGrants newNeeded = checkGrantUriPermissionFromIntentLocked( 7431 callingUid, targetPkg, clipIntent, mode, needed, targetUserId); 7432 if (newNeeded != null) { 7433 needed = newNeeded; 7434 } 7435 } 7436 } 7437 } 7438 } 7439 7440 return needed; 7441 } 7442 7443 /** 7444 * Like grantUriPermissionUncheckedLocked, but takes an Intent. 7445 */ 7446 void grantUriPermissionUncheckedFromIntentLocked(NeededUriGrants needed, 7447 UriPermissionOwner owner) { 7448 if (needed != null) { 7449 for (int i=0; i<needed.size(); i++) { 7450 GrantUri grantUri = needed.get(i); 7451 grantUriPermissionUncheckedLocked(needed.targetUid, needed.targetPkg, 7452 grantUri, needed.flags, owner); 7453 } 7454 } 7455 } 7456 7457 void grantUriPermissionFromIntentLocked(int callingUid, 7458 String targetPkg, Intent intent, UriPermissionOwner owner, int targetUserId) { 7459 NeededUriGrants needed = checkGrantUriPermissionFromIntentLocked(callingUid, targetPkg, 7460 intent, intent != null ? intent.getFlags() : 0, null, targetUserId); 7461 if (needed == null) { 7462 return; 7463 } 7464 7465 grantUriPermissionUncheckedFromIntentLocked(needed, owner); 7466 } 7467 7468 /** 7469 * @param uri This uri must NOT contain an embedded userId. 7470 * @param userId The userId in which the uri is to be resolved. 7471 */ 7472 @Override 7473 public void grantUriPermission(IApplicationThread caller, String targetPkg, Uri uri, 7474 final int modeFlags, int userId) { 7475 enforceNotIsolatedCaller("grantUriPermission"); 7476 GrantUri grantUri = new GrantUri(userId, uri, false); 7477 synchronized(this) { 7478 final ProcessRecord r = getRecordForAppLocked(caller); 7479 if (r == null) { 7480 throw new SecurityException("Unable to find app for caller " 7481 + caller 7482 + " when granting permission to uri " + grantUri); 7483 } 7484 if (targetPkg == null) { 7485 throw new IllegalArgumentException("null target"); 7486 } 7487 if (grantUri == null) { 7488 throw new IllegalArgumentException("null uri"); 7489 } 7490 7491 Preconditions.checkFlagsArgument(modeFlags, Intent.FLAG_GRANT_READ_URI_PERMISSION 7492 | Intent.FLAG_GRANT_WRITE_URI_PERMISSION 7493 | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION 7494 | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION); 7495 7496 grantUriPermissionLocked(r.uid, targetPkg, grantUri, modeFlags, null, 7497 UserHandle.getUserId(r.uid)); 7498 } 7499 } 7500 7501 void removeUriPermissionIfNeededLocked(UriPermission perm) { 7502 if (perm.modeFlags == 0) { 7503 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get( 7504 perm.targetUid); 7505 if (perms != null) { 7506 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7507 "Removing " + perm.targetUid + " permission to " + perm.uri); 7508 7509 perms.remove(perm.uri); 7510 if (perms.isEmpty()) { 7511 mGrantedUriPermissions.remove(perm.targetUid); 7512 } 7513 } 7514 } 7515 } 7516 7517 private void revokeUriPermissionLocked(int callingUid, GrantUri grantUri, final int modeFlags) { 7518 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Revoking all granted permissions to " + grantUri); 7519 7520 final IPackageManager pm = AppGlobals.getPackageManager(); 7521 final String authority = grantUri.uri.getAuthority(); 7522 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 7523 if (pi == null) { 7524 Slog.w(TAG, "No content provider found for permission revoke: " 7525 + grantUri.toSafeString()); 7526 return; 7527 } 7528 7529 // Does the caller have this permission on the URI? 7530 if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) { 7531 // Have they don't have direct access to the URI, then revoke any URI 7532 // permissions that have been granted to them. 7533 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(callingUid); 7534 if (perms != null) { 7535 boolean persistChanged = false; 7536 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 7537 final UriPermission perm = it.next(); 7538 if (perm.uri.sourceUserId == grantUri.sourceUserId 7539 && perm.uri.uri.isPathPrefixMatch(grantUri.uri)) { 7540 if (DEBUG_URI_PERMISSION) 7541 Slog.v(TAG, 7542 "Revoking " + perm.targetUid + " permission to " + perm.uri); 7543 persistChanged |= perm.revokeModes( 7544 modeFlags | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 7545 if (perm.modeFlags == 0) { 7546 it.remove(); 7547 } 7548 } 7549 } 7550 if (perms.isEmpty()) { 7551 mGrantedUriPermissions.remove(callingUid); 7552 } 7553 if (persistChanged) { 7554 schedulePersistUriGrants(); 7555 } 7556 } 7557 return; 7558 } 7559 7560 boolean persistChanged = false; 7561 7562 // Go through all of the permissions and remove any that match. 7563 int N = mGrantedUriPermissions.size(); 7564 for (int i = 0; i < N; i++) { 7565 final int targetUid = mGrantedUriPermissions.keyAt(i); 7566 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7567 7568 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 7569 final UriPermission perm = it.next(); 7570 if (perm.uri.sourceUserId == grantUri.sourceUserId 7571 && perm.uri.uri.isPathPrefixMatch(grantUri.uri)) { 7572 if (DEBUG_URI_PERMISSION) 7573 Slog.v(TAG, 7574 "Revoking " + perm.targetUid + " permission to " + perm.uri); 7575 persistChanged |= perm.revokeModes( 7576 modeFlags | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 7577 if (perm.modeFlags == 0) { 7578 it.remove(); 7579 } 7580 } 7581 } 7582 7583 if (perms.isEmpty()) { 7584 mGrantedUriPermissions.remove(targetUid); 7585 N--; 7586 i--; 7587 } 7588 } 7589 7590 if (persistChanged) { 7591 schedulePersistUriGrants(); 7592 } 7593 } 7594 7595 /** 7596 * @param uri This uri must NOT contain an embedded userId. 7597 * @param userId The userId in which the uri is to be resolved. 7598 */ 7599 @Override 7600 public void revokeUriPermission(IApplicationThread caller, Uri uri, final int modeFlags, 7601 int userId) { 7602 enforceNotIsolatedCaller("revokeUriPermission"); 7603 synchronized(this) { 7604 final ProcessRecord r = getRecordForAppLocked(caller); 7605 if (r == null) { 7606 throw new SecurityException("Unable to find app for caller " 7607 + caller 7608 + " when revoking permission to uri " + uri); 7609 } 7610 if (uri == null) { 7611 Slog.w(TAG, "revokeUriPermission: null uri"); 7612 return; 7613 } 7614 7615 if (!Intent.isAccessUriMode(modeFlags)) { 7616 return; 7617 } 7618 7619 final IPackageManager pm = AppGlobals.getPackageManager(); 7620 final String authority = uri.getAuthority(); 7621 final ProviderInfo pi = getProviderInfoLocked(authority, userId); 7622 if (pi == null) { 7623 Slog.w(TAG, "No content provider found for permission revoke: " 7624 + uri.toSafeString()); 7625 return; 7626 } 7627 7628 revokeUriPermissionLocked(r.uid, new GrantUri(userId, uri, false), modeFlags); 7629 } 7630 } 7631 7632 /** 7633 * Remove any {@link UriPermission} granted <em>from</em> or <em>to</em> the 7634 * given package. 7635 * 7636 * @param packageName Package name to match, or {@code null} to apply to all 7637 * packages. 7638 * @param userHandle User to match, or {@link UserHandle#USER_ALL} to apply 7639 * to all users. 7640 * @param persistable If persistable grants should be removed. 7641 */ 7642 private void removeUriPermissionsForPackageLocked( 7643 String packageName, int userHandle, boolean persistable) { 7644 if (userHandle == UserHandle.USER_ALL && packageName == null) { 7645 throw new IllegalArgumentException("Must narrow by either package or user"); 7646 } 7647 7648 boolean persistChanged = false; 7649 7650 int N = mGrantedUriPermissions.size(); 7651 for (int i = 0; i < N; i++) { 7652 final int targetUid = mGrantedUriPermissions.keyAt(i); 7653 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7654 7655 // Only inspect grants matching user 7656 if (userHandle == UserHandle.USER_ALL 7657 || userHandle == UserHandle.getUserId(targetUid)) { 7658 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 7659 final UriPermission perm = it.next(); 7660 7661 // Only inspect grants matching package 7662 if (packageName == null || perm.sourcePkg.equals(packageName) 7663 || perm.targetPkg.equals(packageName)) { 7664 persistChanged |= perm.revokeModes( 7665 persistable ? ~0 : ~Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 7666 7667 // Only remove when no modes remain; any persisted grants 7668 // will keep this alive. 7669 if (perm.modeFlags == 0) { 7670 it.remove(); 7671 } 7672 } 7673 } 7674 7675 if (perms.isEmpty()) { 7676 mGrantedUriPermissions.remove(targetUid); 7677 N--; 7678 i--; 7679 } 7680 } 7681 } 7682 7683 if (persistChanged) { 7684 schedulePersistUriGrants(); 7685 } 7686 } 7687 7688 @Override 7689 public IBinder newUriPermissionOwner(String name) { 7690 enforceNotIsolatedCaller("newUriPermissionOwner"); 7691 synchronized(this) { 7692 UriPermissionOwner owner = new UriPermissionOwner(this, name); 7693 return owner.getExternalTokenLocked(); 7694 } 7695 } 7696 7697 /** 7698 * @param uri This uri must NOT contain an embedded userId. 7699 * @param sourceUserId The userId in which the uri is to be resolved. 7700 * @param targetUserId The userId of the app that receives the grant. 7701 */ 7702 @Override 7703 public void grantUriPermissionFromOwner(IBinder token, int fromUid, String targetPkg, Uri uri, 7704 final int modeFlags, int sourceUserId, int targetUserId) { 7705 targetUserId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 7706 targetUserId, false, ALLOW_FULL_ONLY, "grantUriPermissionFromOwner", null); 7707 synchronized(this) { 7708 UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); 7709 if (owner == null) { 7710 throw new IllegalArgumentException("Unknown owner: " + token); 7711 } 7712 if (fromUid != Binder.getCallingUid()) { 7713 if (Binder.getCallingUid() != Process.myUid()) { 7714 // Only system code can grant URI permissions on behalf 7715 // of other users. 7716 throw new SecurityException("nice try"); 7717 } 7718 } 7719 if (targetPkg == null) { 7720 throw new IllegalArgumentException("null target"); 7721 } 7722 if (uri == null) { 7723 throw new IllegalArgumentException("null uri"); 7724 } 7725 7726 grantUriPermissionLocked(fromUid, targetPkg, new GrantUri(sourceUserId, uri, false), 7727 modeFlags, owner, targetUserId); 7728 } 7729 } 7730 7731 /** 7732 * @param uri This uri must NOT contain an embedded userId. 7733 * @param userId The userId in which the uri is to be resolved. 7734 */ 7735 @Override 7736 public void revokeUriPermissionFromOwner(IBinder token, Uri uri, int mode, int userId) { 7737 synchronized(this) { 7738 UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); 7739 if (owner == null) { 7740 throw new IllegalArgumentException("Unknown owner: " + token); 7741 } 7742 7743 if (uri == null) { 7744 owner.removeUriPermissionsLocked(mode); 7745 } else { 7746 owner.removeUriPermissionLocked(new GrantUri(userId, uri, false), mode); 7747 } 7748 } 7749 } 7750 7751 private void schedulePersistUriGrants() { 7752 if (!mHandler.hasMessages(PERSIST_URI_GRANTS_MSG)) { 7753 mHandler.sendMessageDelayed(mHandler.obtainMessage(PERSIST_URI_GRANTS_MSG), 7754 10 * DateUtils.SECOND_IN_MILLIS); 7755 } 7756 } 7757 7758 private void writeGrantedUriPermissions() { 7759 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "writeGrantedUriPermissions()"); 7760 7761 // Snapshot permissions so we can persist without lock 7762 ArrayList<UriPermission.Snapshot> persist = Lists.newArrayList(); 7763 synchronized (this) { 7764 final int size = mGrantedUriPermissions.size(); 7765 for (int i = 0; i < size; i++) { 7766 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7767 for (UriPermission perm : perms.values()) { 7768 if (perm.persistedModeFlags != 0) { 7769 persist.add(perm.snapshot()); 7770 } 7771 } 7772 } 7773 } 7774 7775 FileOutputStream fos = null; 7776 try { 7777 fos = mGrantFile.startWrite(); 7778 7779 XmlSerializer out = new FastXmlSerializer(); 7780 out.setOutput(fos, "utf-8"); 7781 out.startDocument(null, true); 7782 out.startTag(null, TAG_URI_GRANTS); 7783 for (UriPermission.Snapshot perm : persist) { 7784 out.startTag(null, TAG_URI_GRANT); 7785 writeIntAttribute(out, ATTR_SOURCE_USER_ID, perm.uri.sourceUserId); 7786 writeIntAttribute(out, ATTR_TARGET_USER_ID, perm.targetUserId); 7787 out.attribute(null, ATTR_SOURCE_PKG, perm.sourcePkg); 7788 out.attribute(null, ATTR_TARGET_PKG, perm.targetPkg); 7789 out.attribute(null, ATTR_URI, String.valueOf(perm.uri.uri)); 7790 writeBooleanAttribute(out, ATTR_PREFIX, perm.uri.prefix); 7791 writeIntAttribute(out, ATTR_MODE_FLAGS, perm.persistedModeFlags); 7792 writeLongAttribute(out, ATTR_CREATED_TIME, perm.persistedCreateTime); 7793 out.endTag(null, TAG_URI_GRANT); 7794 } 7795 out.endTag(null, TAG_URI_GRANTS); 7796 out.endDocument(); 7797 7798 mGrantFile.finishWrite(fos); 7799 } catch (IOException e) { 7800 if (fos != null) { 7801 mGrantFile.failWrite(fos); 7802 } 7803 } 7804 } 7805 7806 private void readGrantedUriPermissionsLocked() { 7807 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "readGrantedUriPermissions()"); 7808 7809 final long now = System.currentTimeMillis(); 7810 7811 FileInputStream fis = null; 7812 try { 7813 fis = mGrantFile.openRead(); 7814 final XmlPullParser in = Xml.newPullParser(); 7815 in.setInput(fis, null); 7816 7817 int type; 7818 while ((type = in.next()) != END_DOCUMENT) { 7819 final String tag = in.getName(); 7820 if (type == START_TAG) { 7821 if (TAG_URI_GRANT.equals(tag)) { 7822 final int sourceUserId; 7823 final int targetUserId; 7824 final int userHandle = readIntAttribute(in, 7825 ATTR_USER_HANDLE, UserHandle.USER_NULL); 7826 if (userHandle != UserHandle.USER_NULL) { 7827 // For backwards compatibility. 7828 sourceUserId = userHandle; 7829 targetUserId = userHandle; 7830 } else { 7831 sourceUserId = readIntAttribute(in, ATTR_SOURCE_USER_ID); 7832 targetUserId = readIntAttribute(in, ATTR_TARGET_USER_ID); 7833 } 7834 final String sourcePkg = in.getAttributeValue(null, ATTR_SOURCE_PKG); 7835 final String targetPkg = in.getAttributeValue(null, ATTR_TARGET_PKG); 7836 final Uri uri = Uri.parse(in.getAttributeValue(null, ATTR_URI)); 7837 final boolean prefix = readBooleanAttribute(in, ATTR_PREFIX); 7838 final int modeFlags = readIntAttribute(in, ATTR_MODE_FLAGS); 7839 final long createdTime = readLongAttribute(in, ATTR_CREATED_TIME, now); 7840 7841 // Sanity check that provider still belongs to source package 7842 final ProviderInfo pi = getProviderInfoLocked( 7843 uri.getAuthority(), sourceUserId); 7844 if (pi != null && sourcePkg.equals(pi.packageName)) { 7845 int targetUid = -1; 7846 try { 7847 targetUid = AppGlobals.getPackageManager() 7848 .getPackageUid(targetPkg, targetUserId); 7849 } catch (RemoteException e) { 7850 } 7851 if (targetUid != -1) { 7852 final UriPermission perm = findOrCreateUriPermissionLocked( 7853 sourcePkg, targetPkg, targetUid, 7854 new GrantUri(sourceUserId, uri, prefix)); 7855 perm.initPersistedModes(modeFlags, createdTime); 7856 } 7857 } else { 7858 Slog.w(TAG, "Persisted grant for " + uri + " had source " + sourcePkg 7859 + " but instead found " + pi); 7860 } 7861 } 7862 } 7863 } 7864 } catch (FileNotFoundException e) { 7865 // Missing grants is okay 7866 } catch (IOException e) { 7867 Log.wtf(TAG, "Failed reading Uri grants", e); 7868 } catch (XmlPullParserException e) { 7869 Log.wtf(TAG, "Failed reading Uri grants", e); 7870 } finally { 7871 IoUtils.closeQuietly(fis); 7872 } 7873 } 7874 7875 /** 7876 * @param uri This uri must NOT contain an embedded userId. 7877 * @param userId The userId in which the uri is to be resolved. 7878 */ 7879 @Override 7880 public void takePersistableUriPermission(Uri uri, final int modeFlags, int userId) { 7881 enforceNotIsolatedCaller("takePersistableUriPermission"); 7882 7883 Preconditions.checkFlagsArgument(modeFlags, 7884 Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); 7885 7886 synchronized (this) { 7887 final int callingUid = Binder.getCallingUid(); 7888 boolean persistChanged = false; 7889 GrantUri grantUri = new GrantUri(userId, uri, false); 7890 7891 UriPermission exactPerm = findUriPermissionLocked(callingUid, 7892 new GrantUri(userId, uri, false)); 7893 UriPermission prefixPerm = findUriPermissionLocked(callingUid, 7894 new GrantUri(userId, uri, true)); 7895 7896 final boolean exactValid = (exactPerm != null) 7897 && ((modeFlags & exactPerm.persistableModeFlags) == modeFlags); 7898 final boolean prefixValid = (prefixPerm != null) 7899 && ((modeFlags & prefixPerm.persistableModeFlags) == modeFlags); 7900 7901 if (!(exactValid || prefixValid)) { 7902 throw new SecurityException("No persistable permission grants found for UID " 7903 + callingUid + " and Uri " + grantUri.toSafeString()); 7904 } 7905 7906 if (exactValid) { 7907 persistChanged |= exactPerm.takePersistableModes(modeFlags); 7908 } 7909 if (prefixValid) { 7910 persistChanged |= prefixPerm.takePersistableModes(modeFlags); 7911 } 7912 7913 persistChanged |= maybePrunePersistedUriGrantsLocked(callingUid); 7914 7915 if (persistChanged) { 7916 schedulePersistUriGrants(); 7917 } 7918 } 7919 } 7920 7921 /** 7922 * @param uri This uri must NOT contain an embedded userId. 7923 * @param userId The userId in which the uri is to be resolved. 7924 */ 7925 @Override 7926 public void releasePersistableUriPermission(Uri uri, final int modeFlags, int userId) { 7927 enforceNotIsolatedCaller("releasePersistableUriPermission"); 7928 7929 Preconditions.checkFlagsArgument(modeFlags, 7930 Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); 7931 7932 synchronized (this) { 7933 final int callingUid = Binder.getCallingUid(); 7934 boolean persistChanged = false; 7935 7936 UriPermission exactPerm = findUriPermissionLocked(callingUid, 7937 new GrantUri(userId, uri, false)); 7938 UriPermission prefixPerm = findUriPermissionLocked(callingUid, 7939 new GrantUri(userId, uri, true)); 7940 if (exactPerm == null && prefixPerm == null) { 7941 throw new SecurityException("No permission grants found for UID " + callingUid 7942 + " and Uri " + uri.toSafeString()); 7943 } 7944 7945 if (exactPerm != null) { 7946 persistChanged |= exactPerm.releasePersistableModes(modeFlags); 7947 removeUriPermissionIfNeededLocked(exactPerm); 7948 } 7949 if (prefixPerm != null) { 7950 persistChanged |= prefixPerm.releasePersistableModes(modeFlags); 7951 removeUriPermissionIfNeededLocked(prefixPerm); 7952 } 7953 7954 if (persistChanged) { 7955 schedulePersistUriGrants(); 7956 } 7957 } 7958 } 7959 7960 /** 7961 * Prune any older {@link UriPermission} for the given UID until outstanding 7962 * persisted grants are below {@link #MAX_PERSISTED_URI_GRANTS}. 7963 * 7964 * @return if any mutations occured that require persisting. 7965 */ 7966 private boolean maybePrunePersistedUriGrantsLocked(int uid) { 7967 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(uid); 7968 if (perms == null) return false; 7969 if (perms.size() < MAX_PERSISTED_URI_GRANTS) return false; 7970 7971 final ArrayList<UriPermission> persisted = Lists.newArrayList(); 7972 for (UriPermission perm : perms.values()) { 7973 if (perm.persistedModeFlags != 0) { 7974 persisted.add(perm); 7975 } 7976 } 7977 7978 final int trimCount = persisted.size() - MAX_PERSISTED_URI_GRANTS; 7979 if (trimCount <= 0) return false; 7980 7981 Collections.sort(persisted, new UriPermission.PersistedTimeComparator()); 7982 for (int i = 0; i < trimCount; i++) { 7983 final UriPermission perm = persisted.get(i); 7984 7985 if (DEBUG_URI_PERMISSION) { 7986 Slog.v(TAG, "Trimming grant created at " + perm.persistedCreateTime); 7987 } 7988 7989 perm.releasePersistableModes(~0); 7990 removeUriPermissionIfNeededLocked(perm); 7991 } 7992 7993 return true; 7994 } 7995 7996 @Override 7997 public ParceledListSlice<android.content.UriPermission> getPersistedUriPermissions( 7998 String packageName, boolean incoming) { 7999 enforceNotIsolatedCaller("getPersistedUriPermissions"); 8000 Preconditions.checkNotNull(packageName, "packageName"); 8001 8002 final int callingUid = Binder.getCallingUid(); 8003 final IPackageManager pm = AppGlobals.getPackageManager(); 8004 try { 8005 final int packageUid = pm.getPackageUid(packageName, UserHandle.getUserId(callingUid)); 8006 if (packageUid != callingUid) { 8007 throw new SecurityException( 8008 "Package " + packageName + " does not belong to calling UID " + callingUid); 8009 } 8010 } catch (RemoteException e) { 8011 throw new SecurityException("Failed to verify package name ownership"); 8012 } 8013 8014 final ArrayList<android.content.UriPermission> result = Lists.newArrayList(); 8015 synchronized (this) { 8016 if (incoming) { 8017 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get( 8018 callingUid); 8019 if (perms == null) { 8020 Slog.w(TAG, "No permission grants found for " + packageName); 8021 } else { 8022 for (UriPermission perm : perms.values()) { 8023 if (packageName.equals(perm.targetPkg) && perm.persistedModeFlags != 0) { 8024 result.add(perm.buildPersistedPublicApiObject()); 8025 } 8026 } 8027 } 8028 } else { 8029 final int size = mGrantedUriPermissions.size(); 8030 for (int i = 0; i < size; i++) { 8031 final ArrayMap<GrantUri, UriPermission> perms = 8032 mGrantedUriPermissions.valueAt(i); 8033 for (UriPermission perm : perms.values()) { 8034 if (packageName.equals(perm.sourcePkg) && perm.persistedModeFlags != 0) { 8035 result.add(perm.buildPersistedPublicApiObject()); 8036 } 8037 } 8038 } 8039 } 8040 } 8041 return new ParceledListSlice<android.content.UriPermission>(result); 8042 } 8043 8044 @Override 8045 public void showWaitingForDebugger(IApplicationThread who, boolean waiting) { 8046 synchronized (this) { 8047 ProcessRecord app = 8048 who != null ? getRecordForAppLocked(who) : null; 8049 if (app == null) return; 8050 8051 Message msg = Message.obtain(); 8052 msg.what = WAIT_FOR_DEBUGGER_MSG; 8053 msg.obj = app; 8054 msg.arg1 = waiting ? 1 : 0; 8055 mHandler.sendMessage(msg); 8056 } 8057 } 8058 8059 @Override 8060 public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) { 8061 final long homeAppMem = mProcessList.getMemLevel(ProcessList.HOME_APP_ADJ); 8062 final long cachedAppMem = mProcessList.getMemLevel(ProcessList.CACHED_APP_MIN_ADJ); 8063 outInfo.availMem = Process.getFreeMemory(); 8064 outInfo.totalMem = Process.getTotalMemory(); 8065 outInfo.threshold = homeAppMem; 8066 outInfo.lowMemory = outInfo.availMem < (homeAppMem + ((cachedAppMem-homeAppMem)/2)); 8067 outInfo.hiddenAppThreshold = cachedAppMem; 8068 outInfo.secondaryServerThreshold = mProcessList.getMemLevel( 8069 ProcessList.SERVICE_ADJ); 8070 outInfo.visibleAppThreshold = mProcessList.getMemLevel( 8071 ProcessList.VISIBLE_APP_ADJ); 8072 outInfo.foregroundAppThreshold = mProcessList.getMemLevel( 8073 ProcessList.FOREGROUND_APP_ADJ); 8074 } 8075 8076 // ========================================================= 8077 // TASK MANAGEMENT 8078 // ========================================================= 8079 8080 @Override 8081 public List<IAppTask> getAppTasks(String callingPackage) { 8082 int callingUid = Binder.getCallingUid(); 8083 long ident = Binder.clearCallingIdentity(); 8084 8085 synchronized(this) { 8086 ArrayList<IAppTask> list = new ArrayList<IAppTask>(); 8087 try { 8088 if (localLOGV) Slog.v(TAG, "getAppTasks"); 8089 8090 final int N = mRecentTasks.size(); 8091 for (int i = 0; i < N; i++) { 8092 TaskRecord tr = mRecentTasks.get(i); 8093 // Skip tasks that do not match the caller. We don't need to verify 8094 // callingPackage, because we are also limiting to callingUid and know 8095 // that will limit to the correct security sandbox. 8096 if (tr.effectiveUid != callingUid) { 8097 continue; 8098 } 8099 Intent intent = tr.getBaseIntent(); 8100 if (intent == null || 8101 !callingPackage.equals(intent.getComponent().getPackageName())) { 8102 continue; 8103 } 8104 ActivityManager.RecentTaskInfo taskInfo = 8105 createRecentTaskInfoFromTaskRecord(tr); 8106 AppTaskImpl taskImpl = new AppTaskImpl(taskInfo.persistentId, callingUid); 8107 list.add(taskImpl); 8108 } 8109 } finally { 8110 Binder.restoreCallingIdentity(ident); 8111 } 8112 return list; 8113 } 8114 } 8115 8116 @Override 8117 public List<RunningTaskInfo> getTasks(int maxNum, int flags) { 8118 final int callingUid = Binder.getCallingUid(); 8119 ArrayList<RunningTaskInfo> list = new ArrayList<RunningTaskInfo>(); 8120 8121 synchronized(this) { 8122 if (localLOGV) Slog.v( 8123 TAG, "getTasks: max=" + maxNum + ", flags=" + flags); 8124 8125 final boolean allowed = checkCallingPermission( 8126 android.Manifest.permission.GET_TASKS) 8127 == PackageManager.PERMISSION_GRANTED; 8128 if (!allowed) { 8129 Slog.w(TAG, "getTasks: caller " + callingUid 8130 + " does not hold GET_TASKS; limiting output"); 8131 } 8132 8133 // TODO: Improve with MRU list from all ActivityStacks. 8134 mStackSupervisor.getTasksLocked(maxNum, list, callingUid, allowed); 8135 } 8136 8137 return list; 8138 } 8139 8140 TaskRecord getMostRecentTask() { 8141 return mRecentTasks.get(0); 8142 } 8143 8144 /** 8145 * Creates a new RecentTaskInfo from a TaskRecord. 8146 */ 8147 private ActivityManager.RecentTaskInfo createRecentTaskInfoFromTaskRecord(TaskRecord tr) { 8148 // Update the task description to reflect any changes in the task stack 8149 tr.updateTaskDescription(); 8150 8151 // Compose the recent task info 8152 ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo(); 8153 rti.id = tr.getTopActivity() == null ? -1 : tr.taskId; 8154 rti.persistentId = tr.taskId; 8155 rti.baseIntent = new Intent(tr.getBaseIntent()); 8156 rti.origActivity = tr.origActivity; 8157 rti.description = tr.lastDescription; 8158 rti.stackId = tr.stack != null ? tr.stack.mStackId : -1; 8159 rti.userId = tr.userId; 8160 rti.taskDescription = new ActivityManager.TaskDescription(tr.lastTaskDescription); 8161 rti.firstActiveTime = tr.firstActiveTime; 8162 rti.lastActiveTime = tr.lastActiveTime; 8163 rti.affiliatedTaskId = tr.mAffiliatedTaskId; 8164 rti.affiliatedTaskColor = tr.mAffiliatedTaskColor; 8165 return rti; 8166 } 8167 8168 @Override 8169 public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum, int flags, int userId) { 8170 final int callingUid = Binder.getCallingUid(); 8171 userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, 8172 false, ALLOW_FULL_ONLY, "getRecentTasks", null); 8173 8174 final boolean includeProfiles = (flags & ActivityManager.RECENT_INCLUDE_PROFILES) != 0; 8175 final boolean withExcluded = (flags&ActivityManager.RECENT_WITH_EXCLUDED) != 0; 8176 synchronized (this) { 8177 final boolean allowed = checkCallingPermission(android.Manifest.permission.GET_TASKS) 8178 == PackageManager.PERMISSION_GRANTED; 8179 if (!allowed) { 8180 Slog.w(TAG, "getRecentTasks: caller " + callingUid 8181 + " does not hold GET_TASKS; limiting output"); 8182 } 8183 final boolean detailed = checkCallingPermission( 8184 android.Manifest.permission.GET_DETAILED_TASKS) 8185 == PackageManager.PERMISSION_GRANTED; 8186 8187 final int N = mRecentTasks.size(); 8188 ArrayList<ActivityManager.RecentTaskInfo> res 8189 = new ArrayList<ActivityManager.RecentTaskInfo>( 8190 maxNum < N ? maxNum : N); 8191 8192 final Set<Integer> includedUsers; 8193 if (includeProfiles) { 8194 includedUsers = getProfileIdsLocked(userId); 8195 } else { 8196 includedUsers = new HashSet<Integer>(); 8197 } 8198 includedUsers.add(Integer.valueOf(userId)); 8199 8200 for (int i=0; i<N && maxNum > 0; i++) { 8201 TaskRecord tr = mRecentTasks.get(i); 8202 // Only add calling user or related users recent tasks 8203 if (!includedUsers.contains(Integer.valueOf(tr.userId))) { 8204 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, not user: " + tr); 8205 continue; 8206 } 8207 8208 // Return the entry if desired by the caller. We always return 8209 // the first entry, because callers always expect this to be the 8210 // foreground app. We may filter others if the caller has 8211 // not supplied RECENT_WITH_EXCLUDED and there is some reason 8212 // we should exclude the entry. 8213 8214 if (i == 0 8215 || withExcluded 8216 || (tr.intent == null) 8217 || ((tr.intent.getFlags() & Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS) 8218 == 0)) { 8219 if (!allowed) { 8220 // If the caller doesn't have the GET_TASKS permission, then only 8221 // allow them to see a small subset of tasks -- their own and home. 8222 if (!tr.isHomeTask() && tr.effectiveUid != callingUid) { 8223 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, not allowed: " + tr); 8224 continue; 8225 } 8226 } 8227 if ((flags & ActivityManager.RECENT_IGNORE_HOME_STACK_TASKS) != 0) { 8228 if (tr.stack != null && tr.stack.isHomeStack()) { 8229 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, home stack task: " + tr); 8230 continue; 8231 } 8232 } 8233 if (tr.autoRemoveRecents && tr.getTopActivity() == null) { 8234 // Don't include auto remove tasks that are finished or finishing. 8235 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, auto-remove without activity: " 8236 + tr); 8237 continue; 8238 } 8239 if ((flags&ActivityManager.RECENT_IGNORE_UNAVAILABLE) != 0 8240 && !tr.isAvailable) { 8241 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, unavail real act: " + tr); 8242 continue; 8243 } 8244 8245 ActivityManager.RecentTaskInfo rti = createRecentTaskInfoFromTaskRecord(tr); 8246 if (!detailed) { 8247 rti.baseIntent.replaceExtras((Bundle)null); 8248 } 8249 8250 res.add(rti); 8251 maxNum--; 8252 } 8253 } 8254 return res; 8255 } 8256 } 8257 8258 private TaskRecord recentTaskForIdLocked(int id) { 8259 final int N = mRecentTasks.size(); 8260 for (int i=0; i<N; i++) { 8261 TaskRecord tr = mRecentTasks.get(i); 8262 if (tr.taskId == id) { 8263 return tr; 8264 } 8265 } 8266 return null; 8267 } 8268 8269 @Override 8270 public ActivityManager.TaskThumbnail getTaskThumbnail(int id) { 8271 synchronized (this) { 8272 enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, 8273 "getTaskThumbnail()"); 8274 TaskRecord tr = recentTaskForIdLocked(id); 8275 if (tr != null) { 8276 return tr.getTaskThumbnailLocked(); 8277 } 8278 } 8279 return null; 8280 } 8281 8282 @Override 8283 public int addAppTask(IBinder activityToken, Intent intent, 8284 ActivityManager.TaskDescription description, Bitmap thumbnail) throws RemoteException { 8285 final int callingUid = Binder.getCallingUid(); 8286 final long callingIdent = Binder.clearCallingIdentity(); 8287 8288 try { 8289 synchronized (this) { 8290 ActivityRecord r = ActivityRecord.isInStackLocked(activityToken); 8291 if (r == null) { 8292 throw new IllegalArgumentException("Activity does not exist; token=" 8293 + activityToken); 8294 } 8295 ComponentName comp = intent.getComponent(); 8296 if (comp == null) { 8297 throw new IllegalArgumentException("Intent " + intent 8298 + " must specify explicit component"); 8299 } 8300 if (thumbnail.getWidth() != mThumbnailWidth 8301 || thumbnail.getHeight() != mThumbnailHeight) { 8302 throw new IllegalArgumentException("Bad thumbnail size: got " 8303 + thumbnail.getWidth() + "x" + thumbnail.getHeight() + ", require " 8304 + mThumbnailWidth + "x" + mThumbnailHeight); 8305 } 8306 if (intent.getSelector() != null) { 8307 intent.setSelector(null); 8308 } 8309 if (intent.getSourceBounds() != null) { 8310 intent.setSourceBounds(null); 8311 } 8312 if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0) { 8313 if ((intent.getFlags()&Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS) == 0) { 8314 // The caller has added this as an auto-remove task... that makes no 8315 // sense, so turn off auto-remove. 8316 intent.addFlags(Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS); 8317 } 8318 } else if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 8319 // Must be a new task. 8320 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8321 } 8322 if (!comp.equals(mLastAddedTaskComponent) || callingUid != mLastAddedTaskUid) { 8323 mLastAddedTaskActivity = null; 8324 } 8325 ActivityInfo ainfo = mLastAddedTaskActivity; 8326 if (ainfo == null) { 8327 ainfo = mLastAddedTaskActivity = AppGlobals.getPackageManager().getActivityInfo( 8328 comp, 0, UserHandle.getUserId(callingUid)); 8329 if (ainfo.applicationInfo.uid != callingUid) { 8330 throw new SecurityException( 8331 "Can't add task for another application: target uid=" 8332 + ainfo.applicationInfo.uid + ", calling uid=" + callingUid); 8333 } 8334 } 8335 8336 TaskRecord task = new TaskRecord(this, mStackSupervisor.getNextTaskId(), ainfo, 8337 intent, description); 8338 8339 int trimIdx = trimRecentsForTask(task, false); 8340 if (trimIdx >= 0) { 8341 // If this would have caused a trim, then we'll abort because that 8342 // means it would be added at the end of the list but then just removed. 8343 return -1; 8344 } 8345 8346 final int N = mRecentTasks.size(); 8347 if (N >= (ActivityManager.getMaxRecentTasksStatic()-1)) { 8348 final TaskRecord tr = mRecentTasks.remove(N - 1); 8349 tr.removedFromRecents(mTaskPersister); 8350 } 8351 8352 task.inRecents = true; 8353 mRecentTasks.add(task); 8354 r.task.stack.addTask(task, false, false); 8355 8356 task.setLastThumbnail(thumbnail); 8357 task.freeLastThumbnail(); 8358 8359 return task.taskId; 8360 } 8361 } finally { 8362 Binder.restoreCallingIdentity(callingIdent); 8363 } 8364 } 8365 8366 @Override 8367 public Point getAppTaskThumbnailSize() { 8368 synchronized (this) { 8369 return new Point(mThumbnailWidth, mThumbnailHeight); 8370 } 8371 } 8372 8373 @Override 8374 public void setTaskDescription(IBinder token, ActivityManager.TaskDescription td) { 8375 synchronized (this) { 8376 ActivityRecord r = ActivityRecord.isInStackLocked(token); 8377 if (r != null) { 8378 r.taskDescription = td; 8379 r.task.updateTaskDescription(); 8380 } 8381 } 8382 } 8383 8384 private void cleanUpRemovedTaskLocked(TaskRecord tr, int flags) { 8385 mRecentTasks.remove(tr); 8386 tr.removedFromRecents(mTaskPersister); 8387 final boolean killProcesses = (flags&ActivityManager.REMOVE_TASK_KILL_PROCESS) != 0; 8388 Intent baseIntent = new Intent( 8389 tr.intent != null ? tr.intent : tr.affinityIntent); 8390 ComponentName component = baseIntent.getComponent(); 8391 if (component == null) { 8392 Slog.w(TAG, "Now component for base intent of task: " + tr); 8393 return; 8394 } 8395 8396 // Find any running services associated with this app. 8397 mServices.cleanUpRemovedTaskLocked(tr, component, baseIntent); 8398 8399 if (killProcesses) { 8400 // Find any running processes associated with this app. 8401 final String pkg = component.getPackageName(); 8402 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 8403 ArrayMap<String, SparseArray<ProcessRecord>> pmap = mProcessNames.getMap(); 8404 for (int i=0; i<pmap.size(); i++) { 8405 SparseArray<ProcessRecord> uids = pmap.valueAt(i); 8406 for (int j=0; j<uids.size(); j++) { 8407 ProcessRecord proc = uids.valueAt(j); 8408 if (proc.userId != tr.userId) { 8409 continue; 8410 } 8411 if (!proc.pkgList.containsKey(pkg)) { 8412 continue; 8413 } 8414 procs.add(proc); 8415 } 8416 } 8417 8418 // Kill the running processes. 8419 for (int i=0; i<procs.size(); i++) { 8420 ProcessRecord pr = procs.get(i); 8421 if (pr == mHomeProcess) { 8422 // Don't kill the home process along with tasks from the same package. 8423 continue; 8424 } 8425 if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { 8426 pr.kill("remove task", true); 8427 } else { 8428 pr.waitingToKill = "remove task"; 8429 } 8430 } 8431 } 8432 } 8433 8434 /** 8435 * Removes the task with the specified task id. 8436 * 8437 * @param taskId Identifier of the task to be removed. 8438 * @param flags Additional operational flags. May be 0 or 8439 * {@link ActivityManager#REMOVE_TASK_KILL_PROCESS}. 8440 * @return Returns true if the given task was found and removed. 8441 */ 8442 private boolean removeTaskByIdLocked(int taskId, int flags) { 8443 TaskRecord tr = recentTaskForIdLocked(taskId); 8444 if (tr != null) { 8445 tr.removeTaskActivitiesLocked(); 8446 cleanUpRemovedTaskLocked(tr, flags); 8447 if (tr.isPersistable) { 8448 notifyTaskPersisterLocked(null, true); 8449 } 8450 return true; 8451 } 8452 return false; 8453 } 8454 8455 @Override 8456 public boolean removeTask(int taskId, int flags) { 8457 synchronized (this) { 8458 enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, 8459 "removeTask()"); 8460 long ident = Binder.clearCallingIdentity(); 8461 try { 8462 return removeTaskByIdLocked(taskId, flags); 8463 } finally { 8464 Binder.restoreCallingIdentity(ident); 8465 } 8466 } 8467 } 8468 8469 /** 8470 * TODO: Add mController hook 8471 */ 8472 @Override 8473 public void moveTaskToFront(int taskId, int flags, Bundle options) { 8474 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 8475 "moveTaskToFront()"); 8476 8477 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToFront: moving taskId=" + taskId); 8478 synchronized(this) { 8479 moveTaskToFrontLocked(taskId, flags, options); 8480 } 8481 } 8482 8483 void moveTaskToFrontLocked(int taskId, int flags, Bundle options) { 8484 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 8485 Binder.getCallingUid(), -1, -1, "Task to front")) { 8486 ActivityOptions.abort(options); 8487 return; 8488 } 8489 final long origId = Binder.clearCallingIdentity(); 8490 try { 8491 final TaskRecord task = mStackSupervisor.anyTaskForIdLocked(taskId); 8492 if (task == null) { 8493 return; 8494 } 8495 if (mStackSupervisor.isLockTaskModeViolation(task)) { 8496 mStackSupervisor.showLockTaskToast(); 8497 Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode"); 8498 return; 8499 } 8500 final ActivityRecord prev = mStackSupervisor.topRunningActivityLocked(); 8501 if (prev != null && prev.isRecentsActivity()) { 8502 task.setTaskToReturnTo(ActivityRecord.RECENTS_ACTIVITY_TYPE); 8503 } 8504 mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options); 8505 } finally { 8506 Binder.restoreCallingIdentity(origId); 8507 } 8508 ActivityOptions.abort(options); 8509 } 8510 8511 @Override 8512 public void moveTaskToBack(int taskId) { 8513 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 8514 "moveTaskToBack()"); 8515 8516 synchronized(this) { 8517 TaskRecord tr = recentTaskForIdLocked(taskId); 8518 if (tr != null) { 8519 if (tr == mStackSupervisor.mLockTaskModeTask) { 8520 mStackSupervisor.showLockTaskToast(); 8521 return; 8522 } 8523 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToBack: moving task=" + tr); 8524 ActivityStack stack = tr.stack; 8525 if (stack.mResumedActivity != null && stack.mResumedActivity.task == tr) { 8526 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 8527 Binder.getCallingUid(), -1, -1, "Task to back")) { 8528 return; 8529 } 8530 } 8531 final long origId = Binder.clearCallingIdentity(); 8532 try { 8533 stack.moveTaskToBackLocked(taskId, null); 8534 } finally { 8535 Binder.restoreCallingIdentity(origId); 8536 } 8537 } 8538 } 8539 } 8540 8541 /** 8542 * Moves an activity, and all of the other activities within the same task, to the bottom 8543 * of the history stack. The activity's order within the task is unchanged. 8544 * 8545 * @param token A reference to the activity we wish to move 8546 * @param nonRoot If false then this only works if the activity is the root 8547 * of a task; if true it will work for any activity in a task. 8548 * @return Returns true if the move completed, false if not. 8549 */ 8550 @Override 8551 public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) { 8552 enforceNotIsolatedCaller("moveActivityTaskToBack"); 8553 synchronized(this) { 8554 final long origId = Binder.clearCallingIdentity(); 8555 try { 8556 int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot); 8557 if (taskId >= 0) { 8558 if ((mStackSupervisor.mLockTaskModeTask != null) 8559 && (mStackSupervisor.mLockTaskModeTask.taskId == taskId)) { 8560 mStackSupervisor.showLockTaskToast(); 8561 return false; 8562 } 8563 return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId, null); 8564 } 8565 } finally { 8566 Binder.restoreCallingIdentity(origId); 8567 } 8568 } 8569 return false; 8570 } 8571 8572 @Override 8573 public void moveTaskBackwards(int task) { 8574 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 8575 "moveTaskBackwards()"); 8576 8577 synchronized(this) { 8578 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 8579 Binder.getCallingUid(), -1, -1, "Task backwards")) { 8580 return; 8581 } 8582 final long origId = Binder.clearCallingIdentity(); 8583 moveTaskBackwardsLocked(task); 8584 Binder.restoreCallingIdentity(origId); 8585 } 8586 } 8587 8588 private final void moveTaskBackwardsLocked(int task) { 8589 Slog.e(TAG, "moveTaskBackwards not yet implemented!"); 8590 } 8591 8592 @Override 8593 public IBinder getHomeActivityToken() throws RemoteException { 8594 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8595 "getHomeActivityToken()"); 8596 synchronized (this) { 8597 return mStackSupervisor.getHomeActivityToken(); 8598 } 8599 } 8600 8601 @Override 8602 public IActivityContainer createActivityContainer(IBinder parentActivityToken, 8603 IActivityContainerCallback callback) throws RemoteException { 8604 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8605 "createActivityContainer()"); 8606 synchronized (this) { 8607 if (parentActivityToken == null) { 8608 throw new IllegalArgumentException("parent token must not be null"); 8609 } 8610 ActivityRecord r = ActivityRecord.forToken(parentActivityToken); 8611 if (r == null) { 8612 return null; 8613 } 8614 if (callback == null) { 8615 throw new IllegalArgumentException("callback must not be null"); 8616 } 8617 return mStackSupervisor.createActivityContainer(r, callback); 8618 } 8619 } 8620 8621 @Override 8622 public void deleteActivityContainer(IActivityContainer container) throws RemoteException { 8623 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8624 "deleteActivityContainer()"); 8625 synchronized (this) { 8626 mStackSupervisor.deleteActivityContainer(container); 8627 } 8628 } 8629 8630 @Override 8631 public IActivityContainer getEnclosingActivityContainer(IBinder activityToken) 8632 throws RemoteException { 8633 synchronized (this) { 8634 ActivityStack stack = ActivityRecord.getStackLocked(activityToken); 8635 if (stack != null) { 8636 return stack.mActivityContainer; 8637 } 8638 return null; 8639 } 8640 } 8641 8642 @Override 8643 public void moveTaskToStack(int taskId, int stackId, boolean toTop) { 8644 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8645 "moveTaskToStack()"); 8646 if (stackId == HOME_STACK_ID) { 8647 Slog.e(TAG, "moveTaskToStack: Attempt to move task " + taskId + " to home stack", 8648 new RuntimeException("here").fillInStackTrace()); 8649 } 8650 synchronized (this) { 8651 long ident = Binder.clearCallingIdentity(); 8652 try { 8653 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToStack: moving task=" + taskId + " to stackId=" 8654 + stackId + " toTop=" + toTop); 8655 mStackSupervisor.moveTaskToStack(taskId, stackId, toTop); 8656 } finally { 8657 Binder.restoreCallingIdentity(ident); 8658 } 8659 } 8660 } 8661 8662 @Override 8663 public void resizeStack(int stackBoxId, Rect bounds) { 8664 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8665 "resizeStackBox()"); 8666 long ident = Binder.clearCallingIdentity(); 8667 try { 8668 mWindowManager.resizeStack(stackBoxId, bounds); 8669 } finally { 8670 Binder.restoreCallingIdentity(ident); 8671 } 8672 } 8673 8674 @Override 8675 public List<StackInfo> getAllStackInfos() { 8676 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8677 "getAllStackInfos()"); 8678 long ident = Binder.clearCallingIdentity(); 8679 try { 8680 synchronized (this) { 8681 return mStackSupervisor.getAllStackInfosLocked(); 8682 } 8683 } finally { 8684 Binder.restoreCallingIdentity(ident); 8685 } 8686 } 8687 8688 @Override 8689 public StackInfo getStackInfo(int stackId) { 8690 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8691 "getStackInfo()"); 8692 long ident = Binder.clearCallingIdentity(); 8693 try { 8694 synchronized (this) { 8695 return mStackSupervisor.getStackInfoLocked(stackId); 8696 } 8697 } finally { 8698 Binder.restoreCallingIdentity(ident); 8699 } 8700 } 8701 8702 @Override 8703 public boolean isInHomeStack(int taskId) { 8704 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8705 "getStackInfo()"); 8706 long ident = Binder.clearCallingIdentity(); 8707 try { 8708 synchronized (this) { 8709 TaskRecord tr = recentTaskForIdLocked(taskId); 8710 return tr != null && tr.stack != null && tr.stack.isHomeStack(); 8711 } 8712 } finally { 8713 Binder.restoreCallingIdentity(ident); 8714 } 8715 } 8716 8717 @Override 8718 public int getTaskForActivity(IBinder token, boolean onlyRoot) { 8719 synchronized(this) { 8720 return ActivityRecord.getTaskForActivityLocked(token, onlyRoot); 8721 } 8722 } 8723 8724 private boolean isLockTaskAuthorized(String pkg) { 8725 final DevicePolicyManager dpm = (DevicePolicyManager) 8726 mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); 8727 try { 8728 int uid = mContext.getPackageManager().getPackageUid(pkg, 8729 Binder.getCallingUserHandle().getIdentifier()); 8730 return (uid == Binder.getCallingUid()) && dpm != null && dpm.isLockTaskPermitted(pkg); 8731 } catch (NameNotFoundException e) { 8732 return false; 8733 } 8734 } 8735 8736 void startLockTaskMode(TaskRecord task) { 8737 final String pkg; 8738 synchronized (this) { 8739 pkg = task.intent.getComponent().getPackageName(); 8740 } 8741 boolean isSystemInitiated = Binder.getCallingUid() == Process.SYSTEM_UID; 8742 if (!isSystemInitiated && !isLockTaskAuthorized(pkg)) { 8743 final TaskRecord taskRecord = task; 8744 mHandler.post(new Runnable() { 8745 @Override 8746 public void run() { 8747 mLockToAppRequest.showLockTaskPrompt(taskRecord); 8748 } 8749 }); 8750 return; 8751 } 8752 long ident = Binder.clearCallingIdentity(); 8753 try { 8754 synchronized (this) { 8755 // Since we lost lock on task, make sure it is still there. 8756 task = mStackSupervisor.anyTaskForIdLocked(task.taskId); 8757 if (task != null) { 8758 if (!isSystemInitiated 8759 && ((mFocusedActivity == null) || (task != mFocusedActivity.task))) { 8760 throw new IllegalArgumentException("Invalid task, not in foreground"); 8761 } 8762 mStackSupervisor.setLockTaskModeLocked(task, !isSystemInitiated); 8763 } 8764 } 8765 } finally { 8766 Binder.restoreCallingIdentity(ident); 8767 } 8768 } 8769 8770 @Override 8771 public void startLockTaskMode(int taskId) { 8772 final TaskRecord task; 8773 long ident = Binder.clearCallingIdentity(); 8774 try { 8775 synchronized (this) { 8776 task = mStackSupervisor.anyTaskForIdLocked(taskId); 8777 } 8778 } finally { 8779 Binder.restoreCallingIdentity(ident); 8780 } 8781 if (task != null) { 8782 startLockTaskMode(task); 8783 } 8784 } 8785 8786 @Override 8787 public void startLockTaskMode(IBinder token) { 8788 final TaskRecord task; 8789 long ident = Binder.clearCallingIdentity(); 8790 try { 8791 synchronized (this) { 8792 final ActivityRecord r = ActivityRecord.forToken(token); 8793 if (r == null) { 8794 return; 8795 } 8796 task = r.task; 8797 } 8798 } finally { 8799 Binder.restoreCallingIdentity(ident); 8800 } 8801 if (task != null) { 8802 startLockTaskMode(task); 8803 } 8804 } 8805 8806 @Override 8807 public void startLockTaskModeOnCurrent() throws RemoteException { 8808 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8809 "startLockTaskModeOnCurrent"); 8810 ActivityRecord r = null; 8811 synchronized (this) { 8812 r = mStackSupervisor.topRunningActivityLocked(); 8813 } 8814 startLockTaskMode(r.task); 8815 } 8816 8817 @Override 8818 public void stopLockTaskMode() { 8819 // Verify that the user matches the package of the intent for the TaskRecord 8820 // we are locked to or systtem. This will ensure the same caller for startLockTaskMode 8821 // and stopLockTaskMode. 8822 final int callingUid = Binder.getCallingUid(); 8823 if (callingUid != Process.SYSTEM_UID) { 8824 try { 8825 String pkg = 8826 mStackSupervisor.mLockTaskModeTask.intent.getComponent().getPackageName(); 8827 int uid = mContext.getPackageManager().getPackageUid(pkg, 8828 Binder.getCallingUserHandle().getIdentifier()); 8829 if (uid != callingUid) { 8830 throw new SecurityException("Invalid uid, expected " + uid); 8831 } 8832 } catch (NameNotFoundException e) { 8833 Log.d(TAG, "stopLockTaskMode " + e); 8834 return; 8835 } 8836 } 8837 long ident = Binder.clearCallingIdentity(); 8838 try { 8839 Log.d(TAG, "stopLockTaskMode"); 8840 // Stop lock task 8841 synchronized (this) { 8842 mStackSupervisor.setLockTaskModeLocked(null, false); 8843 } 8844 } finally { 8845 Binder.restoreCallingIdentity(ident); 8846 } 8847 } 8848 8849 @Override 8850 public void stopLockTaskModeOnCurrent() throws RemoteException { 8851 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8852 "stopLockTaskModeOnCurrent"); 8853 long ident = Binder.clearCallingIdentity(); 8854 try { 8855 stopLockTaskMode(); 8856 } finally { 8857 Binder.restoreCallingIdentity(ident); 8858 } 8859 } 8860 8861 @Override 8862 public boolean isInLockTaskMode() { 8863 synchronized (this) { 8864 return mStackSupervisor.isInLockTaskMode(); 8865 } 8866 } 8867 8868 // ========================================================= 8869 // CONTENT PROVIDERS 8870 // ========================================================= 8871 8872 private final List<ProviderInfo> generateApplicationProvidersLocked(ProcessRecord app) { 8873 List<ProviderInfo> providers = null; 8874 try { 8875 providers = AppGlobals.getPackageManager(). 8876 queryContentProviders(app.processName, app.uid, 8877 STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS); 8878 } catch (RemoteException ex) { 8879 } 8880 if (DEBUG_MU) 8881 Slog.v(TAG_MU, "generateApplicationProvidersLocked, app.info.uid = " + app.uid); 8882 int userId = app.userId; 8883 if (providers != null) { 8884 int N = providers.size(); 8885 app.pubProviders.ensureCapacity(N + app.pubProviders.size()); 8886 for (int i=0; i<N; i++) { 8887 ProviderInfo cpi = 8888 (ProviderInfo)providers.get(i); 8889 boolean singleton = isSingleton(cpi.processName, cpi.applicationInfo, 8890 cpi.name, cpi.flags); 8891 if (singleton && UserHandle.getUserId(app.uid) != 0) { 8892 // This is a singleton provider, but a user besides the 8893 // default user is asking to initialize a process it runs 8894 // in... well, no, it doesn't actually run in this process, 8895 // it runs in the process of the default user. Get rid of it. 8896 providers.remove(i); 8897 N--; 8898 i--; 8899 continue; 8900 } 8901 8902 ComponentName comp = new ComponentName(cpi.packageName, cpi.name); 8903 ContentProviderRecord cpr = mProviderMap.getProviderByClass(comp, userId); 8904 if (cpr == null) { 8905 cpr = new ContentProviderRecord(this, cpi, app.info, comp, singleton); 8906 mProviderMap.putProviderByClass(comp, cpr); 8907 } 8908 if (DEBUG_MU) 8909 Slog.v(TAG_MU, "generateApplicationProvidersLocked, cpi.uid = " + cpr.uid); 8910 app.pubProviders.put(cpi.name, cpr); 8911 if (!cpi.multiprocess || !"android".equals(cpi.packageName)) { 8912 // Don't add this if it is a platform component that is marked 8913 // to run in multiple processes, because this is actually 8914 // part of the framework so doesn't make sense to track as a 8915 // separate apk in the process. 8916 app.addPackage(cpi.applicationInfo.packageName, cpi.applicationInfo.versionCode, 8917 mProcessStats); 8918 } 8919 ensurePackageDexOpt(cpi.applicationInfo.packageName); 8920 } 8921 } 8922 return providers; 8923 } 8924 8925 /** 8926 * Check if {@link ProcessRecord} has a possible chance at accessing the 8927 * given {@link ProviderInfo}. Final permission checking is always done 8928 * in {@link ContentProvider}. 8929 */ 8930 private final String checkContentProviderPermissionLocked( 8931 ProviderInfo cpi, ProcessRecord r, int userId, boolean checkUser) { 8932 final int callingPid = (r != null) ? r.pid : Binder.getCallingPid(); 8933 final int callingUid = (r != null) ? r.uid : Binder.getCallingUid(); 8934 boolean checkedGrants = false; 8935 if (checkUser) { 8936 // Looking for cross-user grants before enforcing the typical cross-users permissions 8937 int tmpTargetUserId = unsafeConvertIncomingUser(userId); 8938 if (tmpTargetUserId != UserHandle.getUserId(callingUid)) { 8939 if (checkAuthorityGrants(callingUid, cpi, tmpTargetUserId, checkUser)) { 8940 return null; 8941 } 8942 checkedGrants = true; 8943 } 8944 userId = handleIncomingUser(callingPid, callingUid, userId, 8945 false, ALLOW_NON_FULL, 8946 "checkContentProviderPermissionLocked " + cpi.authority, null); 8947 if (userId != tmpTargetUserId) { 8948 // When we actually went to determine the final targer user ID, this ended 8949 // up different than our initial check for the authority. This is because 8950 // they had asked for USER_CURRENT_OR_SELF and we ended up switching to 8951 // SELF. So we need to re-check the grants again. 8952 checkedGrants = false; 8953 } 8954 } 8955 if (checkComponentPermission(cpi.readPermission, callingPid, callingUid, 8956 cpi.applicationInfo.uid, cpi.exported) 8957 == PackageManager.PERMISSION_GRANTED) { 8958 return null; 8959 } 8960 if (checkComponentPermission(cpi.writePermission, callingPid, callingUid, 8961 cpi.applicationInfo.uid, cpi.exported) 8962 == PackageManager.PERMISSION_GRANTED) { 8963 return null; 8964 } 8965 8966 PathPermission[] pps = cpi.pathPermissions; 8967 if (pps != null) { 8968 int i = pps.length; 8969 while (i > 0) { 8970 i--; 8971 PathPermission pp = pps[i]; 8972 String pprperm = pp.getReadPermission(); 8973 if (pprperm != null && checkComponentPermission(pprperm, callingPid, callingUid, 8974 cpi.applicationInfo.uid, cpi.exported) 8975 == PackageManager.PERMISSION_GRANTED) { 8976 return null; 8977 } 8978 String ppwperm = pp.getWritePermission(); 8979 if (ppwperm != null && checkComponentPermission(ppwperm, callingPid, callingUid, 8980 cpi.applicationInfo.uid, cpi.exported) 8981 == PackageManager.PERMISSION_GRANTED) { 8982 return null; 8983 } 8984 } 8985 } 8986 if (!checkedGrants && checkAuthorityGrants(callingUid, cpi, userId, checkUser)) { 8987 return null; 8988 } 8989 8990 String msg; 8991 if (!cpi.exported) { 8992 msg = "Permission Denial: opening provider " + cpi.name 8993 + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid 8994 + ", uid=" + callingUid + ") that is not exported from uid " 8995 + cpi.applicationInfo.uid; 8996 } else { 8997 msg = "Permission Denial: opening provider " + cpi.name 8998 + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid 8999 + ", uid=" + callingUid + ") requires " 9000 + cpi.readPermission + " or " + cpi.writePermission; 9001 } 9002 Slog.w(TAG, msg); 9003 return msg; 9004 } 9005 9006 /** 9007 * Returns if the ContentProvider has granted a uri to callingUid 9008 */ 9009 boolean checkAuthorityGrants(int callingUid, ProviderInfo cpi, int userId, boolean checkUser) { 9010 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(callingUid); 9011 if (perms != null) { 9012 for (int i=perms.size()-1; i>=0; i--) { 9013 GrantUri grantUri = perms.keyAt(i); 9014 if (grantUri.sourceUserId == userId || !checkUser) { 9015 if (matchesProvider(grantUri.uri, cpi)) { 9016 return true; 9017 } 9018 } 9019 } 9020 } 9021 return false; 9022 } 9023 9024 /** 9025 * Returns true if the uri authority is one of the authorities specified in the provider. 9026 */ 9027 boolean matchesProvider(Uri uri, ProviderInfo cpi) { 9028 String uriAuth = uri.getAuthority(); 9029 String cpiAuth = cpi.authority; 9030 if (cpiAuth.indexOf(';') == -1) { 9031 return cpiAuth.equals(uriAuth); 9032 } 9033 String[] cpiAuths = cpiAuth.split(";"); 9034 int length = cpiAuths.length; 9035 for (int i = 0; i < length; i++) { 9036 if (cpiAuths[i].equals(uriAuth)) return true; 9037 } 9038 return false; 9039 } 9040 9041 ContentProviderConnection incProviderCountLocked(ProcessRecord r, 9042 final ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { 9043 if (r != null) { 9044 for (int i=0; i<r.conProviders.size(); i++) { 9045 ContentProviderConnection conn = r.conProviders.get(i); 9046 if (conn.provider == cpr) { 9047 if (DEBUG_PROVIDER) Slog.v(TAG, 9048 "Adding provider requested by " 9049 + r.processName + " from process " 9050 + cpr.info.processName + ": " + cpr.name.flattenToShortString() 9051 + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); 9052 if (stable) { 9053 conn.stableCount++; 9054 conn.numStableIncs++; 9055 } else { 9056 conn.unstableCount++; 9057 conn.numUnstableIncs++; 9058 } 9059 return conn; 9060 } 9061 } 9062 ContentProviderConnection conn = new ContentProviderConnection(cpr, r); 9063 if (stable) { 9064 conn.stableCount = 1; 9065 conn.numStableIncs = 1; 9066 } else { 9067 conn.unstableCount = 1; 9068 conn.numUnstableIncs = 1; 9069 } 9070 cpr.connections.add(conn); 9071 r.conProviders.add(conn); 9072 return conn; 9073 } 9074 cpr.addExternalProcessHandleLocked(externalProcessToken); 9075 return null; 9076 } 9077 9078 boolean decProviderCountLocked(ContentProviderConnection conn, 9079 ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { 9080 if (conn != null) { 9081 cpr = conn.provider; 9082 if (DEBUG_PROVIDER) Slog.v(TAG, 9083 "Removing provider requested by " 9084 + conn.client.processName + " from process " 9085 + cpr.info.processName + ": " + cpr.name.flattenToShortString() 9086 + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); 9087 if (stable) { 9088 conn.stableCount--; 9089 } else { 9090 conn.unstableCount--; 9091 } 9092 if (conn.stableCount == 0 && conn.unstableCount == 0) { 9093 cpr.connections.remove(conn); 9094 conn.client.conProviders.remove(conn); 9095 return true; 9096 } 9097 return false; 9098 } 9099 cpr.removeExternalProcessHandleLocked(externalProcessToken); 9100 return false; 9101 } 9102 9103 private void checkTime(long startTime, String where) { 9104 long now = SystemClock.elapsedRealtime(); 9105 if ((now-startTime) > 1000) { 9106 // If we are taking more than a second, log about it. 9107 Slog.w(TAG, "Slow operation: " + (now-startTime) + "ms so far, now at " + where); 9108 } 9109 } 9110 9111 private final ContentProviderHolder getContentProviderImpl(IApplicationThread caller, 9112 String name, IBinder token, boolean stable, int userId) { 9113 ContentProviderRecord cpr; 9114 ContentProviderConnection conn = null; 9115 ProviderInfo cpi = null; 9116 9117 synchronized(this) { 9118 long startTime = SystemClock.elapsedRealtime(); 9119 9120 ProcessRecord r = null; 9121 if (caller != null) { 9122 r = getRecordForAppLocked(caller); 9123 if (r == null) { 9124 throw new SecurityException( 9125 "Unable to find app for caller " + caller 9126 + " (pid=" + Binder.getCallingPid() 9127 + ") when getting content provider " + name); 9128 } 9129 } 9130 9131 boolean checkCrossUser = true; 9132 9133 checkTime(startTime, "getContentProviderImpl: getProviderByName"); 9134 9135 // First check if this content provider has been published... 9136 cpr = mProviderMap.getProviderByName(name, userId); 9137 // If that didn't work, check if it exists for user 0 and then 9138 // verify that it's a singleton provider before using it. 9139 if (cpr == null && userId != UserHandle.USER_OWNER) { 9140 cpr = mProviderMap.getProviderByName(name, UserHandle.USER_OWNER); 9141 if (cpr != null) { 9142 cpi = cpr.info; 9143 if (isSingleton(cpi.processName, cpi.applicationInfo, 9144 cpi.name, cpi.flags) 9145 && isValidSingletonCall(r.uid, cpi.applicationInfo.uid)) { 9146 userId = UserHandle.USER_OWNER; 9147 checkCrossUser = false; 9148 } else { 9149 cpr = null; 9150 cpi = null; 9151 } 9152 } 9153 } 9154 9155 boolean providerRunning = cpr != null; 9156 if (providerRunning) { 9157 cpi = cpr.info; 9158 String msg; 9159 checkTime(startTime, "getContentProviderImpl: before checkContentProviderPermission"); 9160 if ((msg = checkContentProviderPermissionLocked(cpi, r, userId, checkCrossUser)) 9161 != null) { 9162 throw new SecurityException(msg); 9163 } 9164 checkTime(startTime, "getContentProviderImpl: after checkContentProviderPermission"); 9165 9166 if (r != null && cpr.canRunHere(r)) { 9167 // This provider has been published or is in the process 9168 // of being published... but it is also allowed to run 9169 // in the caller's process, so don't make a connection 9170 // and just let the caller instantiate its own instance. 9171 ContentProviderHolder holder = cpr.newHolder(null); 9172 // don't give caller the provider object, it needs 9173 // to make its own. 9174 holder.provider = null; 9175 return holder; 9176 } 9177 9178 final long origId = Binder.clearCallingIdentity(); 9179 9180 checkTime(startTime, "getContentProviderImpl: incProviderCountLocked"); 9181 9182 // In this case the provider instance already exists, so we can 9183 // return it right away. 9184 conn = incProviderCountLocked(r, cpr, token, stable); 9185 if (conn != null && (conn.stableCount+conn.unstableCount) == 1) { 9186 if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { 9187 // If this is a perceptible app accessing the provider, 9188 // make sure to count it as being accessed and thus 9189 // back up on the LRU list. This is good because 9190 // content providers are often expensive to start. 9191 checkTime(startTime, "getContentProviderImpl: before updateLruProcess"); 9192 updateLruProcessLocked(cpr.proc, false, null); 9193 checkTime(startTime, "getContentProviderImpl: after updateLruProcess"); 9194 } 9195 } 9196 9197 if (cpr.proc != null) { 9198 if (false) { 9199 if (cpr.name.flattenToShortString().equals( 9200 "com.android.providers.calendar/.CalendarProvider2")) { 9201 Slog.v(TAG, "****************** KILLING " 9202 + cpr.name.flattenToShortString()); 9203 Process.killProcess(cpr.proc.pid); 9204 } 9205 } 9206 checkTime(startTime, "getContentProviderImpl: before updateOomAdj"); 9207 boolean success = updateOomAdjLocked(cpr.proc); 9208 checkTime(startTime, "getContentProviderImpl: after updateOomAdj"); 9209 if (DEBUG_PROVIDER) Slog.i(TAG, "Adjust success: " + success); 9210 // NOTE: there is still a race here where a signal could be 9211 // pending on the process even though we managed to update its 9212 // adj level. Not sure what to do about this, but at least 9213 // the race is now smaller. 9214 if (!success) { 9215 // Uh oh... it looks like the provider's process 9216 // has been killed on us. We need to wait for a new 9217 // process to be started, and make sure its death 9218 // doesn't kill our process. 9219 Slog.i(TAG, 9220 "Existing provider " + cpr.name.flattenToShortString() 9221 + " is crashing; detaching " + r); 9222 boolean lastRef = decProviderCountLocked(conn, cpr, token, stable); 9223 checkTime(startTime, "getContentProviderImpl: before appDied"); 9224 appDiedLocked(cpr.proc); 9225 checkTime(startTime, "getContentProviderImpl: after appDied"); 9226 if (!lastRef) { 9227 // This wasn't the last ref our process had on 9228 // the provider... we have now been killed, bail. 9229 return null; 9230 } 9231 providerRunning = false; 9232 conn = null; 9233 } 9234 } 9235 9236 Binder.restoreCallingIdentity(origId); 9237 } 9238 9239 boolean singleton; 9240 if (!providerRunning) { 9241 try { 9242 checkTime(startTime, "getContentProviderImpl: before resolveContentProvider"); 9243 cpi = AppGlobals.getPackageManager(). 9244 resolveContentProvider(name, 9245 STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS, userId); 9246 checkTime(startTime, "getContentProviderImpl: after resolveContentProvider"); 9247 } catch (RemoteException ex) { 9248 } 9249 if (cpi == null) { 9250 return null; 9251 } 9252 // If the provider is a singleton AND 9253 // (it's a call within the same user || the provider is a 9254 // privileged app) 9255 // Then allow connecting to the singleton provider 9256 singleton = isSingleton(cpi.processName, cpi.applicationInfo, 9257 cpi.name, cpi.flags) 9258 && isValidSingletonCall(r.uid, cpi.applicationInfo.uid); 9259 if (singleton) { 9260 userId = UserHandle.USER_OWNER; 9261 } 9262 cpi.applicationInfo = getAppInfoForUser(cpi.applicationInfo, userId); 9263 checkTime(startTime, "getContentProviderImpl: got app info for user"); 9264 9265 String msg; 9266 checkTime(startTime, "getContentProviderImpl: before checkContentProviderPermission"); 9267 if ((msg = checkContentProviderPermissionLocked(cpi, r, userId, !singleton)) 9268 != null) { 9269 throw new SecurityException(msg); 9270 } 9271 checkTime(startTime, "getContentProviderImpl: after checkContentProviderPermission"); 9272 9273 if (!mProcessesReady && !mDidUpdate && !mWaitingUpdate 9274 && !cpi.processName.equals("system")) { 9275 // If this content provider does not run in the system 9276 // process, and the system is not yet ready to run other 9277 // processes, then fail fast instead of hanging. 9278 throw new IllegalArgumentException( 9279 "Attempt to launch content provider before system ready"); 9280 } 9281 9282 // Make sure that the user who owns this provider is started. If not, 9283 // we don't want to allow it to run. 9284 if (mStartedUsers.get(userId) == null) { 9285 Slog.w(TAG, "Unable to launch app " 9286 + cpi.applicationInfo.packageName + "/" 9287 + cpi.applicationInfo.uid + " for provider " 9288 + name + ": user " + userId + " is stopped"); 9289 return null; 9290 } 9291 9292 ComponentName comp = new ComponentName(cpi.packageName, cpi.name); 9293 checkTime(startTime, "getContentProviderImpl: before getProviderByClass"); 9294 cpr = mProviderMap.getProviderByClass(comp, userId); 9295 checkTime(startTime, "getContentProviderImpl: after getProviderByClass"); 9296 final boolean firstClass = cpr == null; 9297 if (firstClass) { 9298 try { 9299 checkTime(startTime, "getContentProviderImpl: before getApplicationInfo"); 9300 ApplicationInfo ai = 9301 AppGlobals.getPackageManager(). 9302 getApplicationInfo( 9303 cpi.applicationInfo.packageName, 9304 STOCK_PM_FLAGS, userId); 9305 checkTime(startTime, "getContentProviderImpl: after getApplicationInfo"); 9306 if (ai == null) { 9307 Slog.w(TAG, "No package info for content provider " 9308 + cpi.name); 9309 return null; 9310 } 9311 ai = getAppInfoForUser(ai, userId); 9312 cpr = new ContentProviderRecord(this, cpi, ai, comp, singleton); 9313 } catch (RemoteException ex) { 9314 // pm is in same process, this will never happen. 9315 } 9316 } 9317 9318 checkTime(startTime, "getContentProviderImpl: now have ContentProviderRecord"); 9319 9320 if (r != null && cpr.canRunHere(r)) { 9321 // If this is a multiprocess provider, then just return its 9322 // info and allow the caller to instantiate it. Only do 9323 // this if the provider is the same user as the caller's 9324 // process, or can run as root (so can be in any process). 9325 return cpr.newHolder(null); 9326 } 9327 9328 if (DEBUG_PROVIDER) { 9329 RuntimeException e = new RuntimeException("here"); 9330 Slog.w(TAG, "LAUNCHING REMOTE PROVIDER (myuid " + (r != null ? r.uid : null) 9331 + " pruid " + cpr.appInfo.uid + "): " + cpr.info.name, e); 9332 } 9333 9334 // This is single process, and our app is now connecting to it. 9335 // See if we are already in the process of launching this 9336 // provider. 9337 final int N = mLaunchingProviders.size(); 9338 int i; 9339 for (i=0; i<N; i++) { 9340 if (mLaunchingProviders.get(i) == cpr) { 9341 break; 9342 } 9343 } 9344 9345 // If the provider is not already being launched, then get it 9346 // started. 9347 if (i >= N) { 9348 final long origId = Binder.clearCallingIdentity(); 9349 9350 try { 9351 // Content provider is now in use, its package can't be stopped. 9352 try { 9353 checkTime(startTime, "getContentProviderImpl: before set stopped state"); 9354 AppGlobals.getPackageManager().setPackageStoppedState( 9355 cpr.appInfo.packageName, false, userId); 9356 checkTime(startTime, "getContentProviderImpl: after set stopped state"); 9357 } catch (RemoteException e) { 9358 } catch (IllegalArgumentException e) { 9359 Slog.w(TAG, "Failed trying to unstop package " 9360 + cpr.appInfo.packageName + ": " + e); 9361 } 9362 9363 // Use existing process if already started 9364 checkTime(startTime, "getContentProviderImpl: looking for process record"); 9365 ProcessRecord proc = getProcessRecordLocked( 9366 cpi.processName, cpr.appInfo.uid, false); 9367 if (proc != null && proc.thread != null) { 9368 if (DEBUG_PROVIDER) { 9369 Slog.d(TAG, "Installing in existing process " + proc); 9370 } 9371 checkTime(startTime, "getContentProviderImpl: scheduling install"); 9372 proc.pubProviders.put(cpi.name, cpr); 9373 try { 9374 proc.thread.scheduleInstallProvider(cpi); 9375 } catch (RemoteException e) { 9376 } 9377 } else { 9378 checkTime(startTime, "getContentProviderImpl: before start process"); 9379 proc = startProcessLocked(cpi.processName, 9380 cpr.appInfo, false, 0, "content provider", 9381 new ComponentName(cpi.applicationInfo.packageName, 9382 cpi.name), false, false, false); 9383 checkTime(startTime, "getContentProviderImpl: after start process"); 9384 if (proc == null) { 9385 Slog.w(TAG, "Unable to launch app " 9386 + cpi.applicationInfo.packageName + "/" 9387 + cpi.applicationInfo.uid + " for provider " 9388 + name + ": process is bad"); 9389 return null; 9390 } 9391 } 9392 cpr.launchingApp = proc; 9393 mLaunchingProviders.add(cpr); 9394 } finally { 9395 Binder.restoreCallingIdentity(origId); 9396 } 9397 } 9398 9399 checkTime(startTime, "getContentProviderImpl: updating data structures"); 9400 9401 // Make sure the provider is published (the same provider class 9402 // may be published under multiple names). 9403 if (firstClass) { 9404 mProviderMap.putProviderByClass(comp, cpr); 9405 } 9406 9407 mProviderMap.putProviderByName(name, cpr); 9408 conn = incProviderCountLocked(r, cpr, token, stable); 9409 if (conn != null) { 9410 conn.waiting = true; 9411 } 9412 } 9413 checkTime(startTime, "getContentProviderImpl: done!"); 9414 } 9415 9416 // Wait for the provider to be published... 9417 synchronized (cpr) { 9418 while (cpr.provider == null) { 9419 if (cpr.launchingApp == null) { 9420 Slog.w(TAG, "Unable to launch app " 9421 + cpi.applicationInfo.packageName + "/" 9422 + cpi.applicationInfo.uid + " for provider " 9423 + name + ": launching app became null"); 9424 EventLog.writeEvent(EventLogTags.AM_PROVIDER_LOST_PROCESS, 9425 UserHandle.getUserId(cpi.applicationInfo.uid), 9426 cpi.applicationInfo.packageName, 9427 cpi.applicationInfo.uid, name); 9428 return null; 9429 } 9430 try { 9431 if (DEBUG_MU) { 9432 Slog.v(TAG_MU, "Waiting to start provider " + cpr + " launchingApp=" 9433 + cpr.launchingApp); 9434 } 9435 if (conn != null) { 9436 conn.waiting = true; 9437 } 9438 cpr.wait(); 9439 } catch (InterruptedException ex) { 9440 } finally { 9441 if (conn != null) { 9442 conn.waiting = false; 9443 } 9444 } 9445 } 9446 } 9447 return cpr != null ? cpr.newHolder(conn) : null; 9448 } 9449 9450 @Override 9451 public final ContentProviderHolder getContentProvider( 9452 IApplicationThread caller, String name, int userId, boolean stable) { 9453 enforceNotIsolatedCaller("getContentProvider"); 9454 if (caller == null) { 9455 String msg = "null IApplicationThread when getting content provider " 9456 + name; 9457 Slog.w(TAG, msg); 9458 throw new SecurityException(msg); 9459 } 9460 // The incoming user check is now handled in checkContentProviderPermissionLocked() to deal 9461 // with cross-user grant. 9462 return getContentProviderImpl(caller, name, null, stable, userId); 9463 } 9464 9465 public ContentProviderHolder getContentProviderExternal( 9466 String name, int userId, IBinder token) { 9467 enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, 9468 "Do not have permission in call getContentProviderExternal()"); 9469 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 9470 false, ALLOW_FULL_ONLY, "getContentProvider", null); 9471 return getContentProviderExternalUnchecked(name, token, userId); 9472 } 9473 9474 private ContentProviderHolder getContentProviderExternalUnchecked(String name, 9475 IBinder token, int userId) { 9476 return getContentProviderImpl(null, name, token, true, userId); 9477 } 9478 9479 /** 9480 * Drop a content provider from a ProcessRecord's bookkeeping 9481 */ 9482 public void removeContentProvider(IBinder connection, boolean stable) { 9483 enforceNotIsolatedCaller("removeContentProvider"); 9484 long ident = Binder.clearCallingIdentity(); 9485 try { 9486 synchronized (this) { 9487 ContentProviderConnection conn; 9488 try { 9489 conn = (ContentProviderConnection)connection; 9490 } catch (ClassCastException e) { 9491 String msg ="removeContentProvider: " + connection 9492 + " not a ContentProviderConnection"; 9493 Slog.w(TAG, msg); 9494 throw new IllegalArgumentException(msg); 9495 } 9496 if (conn == null) { 9497 throw new NullPointerException("connection is null"); 9498 } 9499 if (decProviderCountLocked(conn, null, null, stable)) { 9500 updateOomAdjLocked(); 9501 } 9502 } 9503 } finally { 9504 Binder.restoreCallingIdentity(ident); 9505 } 9506 } 9507 9508 public void removeContentProviderExternal(String name, IBinder token) { 9509 enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, 9510 "Do not have permission in call removeContentProviderExternal()"); 9511 removeContentProviderExternalUnchecked(name, token, UserHandle.getCallingUserId()); 9512 } 9513 9514 private void removeContentProviderExternalUnchecked(String name, IBinder token, int userId) { 9515 synchronized (this) { 9516 ContentProviderRecord cpr = mProviderMap.getProviderByName(name, userId); 9517 if(cpr == null) { 9518 //remove from mProvidersByClass 9519 if(localLOGV) Slog.v(TAG, name+" content provider not found in providers list"); 9520 return; 9521 } 9522 9523 //update content provider record entry info 9524 ComponentName comp = new ComponentName(cpr.info.packageName, cpr.info.name); 9525 ContentProviderRecord localCpr = mProviderMap.getProviderByClass(comp, userId); 9526 if (localCpr.hasExternalProcessHandles()) { 9527 if (localCpr.removeExternalProcessHandleLocked(token)) { 9528 updateOomAdjLocked(); 9529 } else { 9530 Slog.e(TAG, "Attmpt to remove content provider " + localCpr 9531 + " with no external reference for token: " 9532 + token + "."); 9533 } 9534 } else { 9535 Slog.e(TAG, "Attmpt to remove content provider: " + localCpr 9536 + " with no external references."); 9537 } 9538 } 9539 } 9540 9541 public final void publishContentProviders(IApplicationThread caller, 9542 List<ContentProviderHolder> providers) { 9543 if (providers == null) { 9544 return; 9545 } 9546 9547 enforceNotIsolatedCaller("publishContentProviders"); 9548 synchronized (this) { 9549 final ProcessRecord r = getRecordForAppLocked(caller); 9550 if (DEBUG_MU) 9551 Slog.v(TAG_MU, "ProcessRecord uid = " + r.uid); 9552 if (r == null) { 9553 throw new SecurityException( 9554 "Unable to find app for caller " + caller 9555 + " (pid=" + Binder.getCallingPid() 9556 + ") when publishing content providers"); 9557 } 9558 9559 final long origId = Binder.clearCallingIdentity(); 9560 9561 final int N = providers.size(); 9562 for (int i=0; i<N; i++) { 9563 ContentProviderHolder src = providers.get(i); 9564 if (src == null || src.info == null || src.provider == null) { 9565 continue; 9566 } 9567 ContentProviderRecord dst = r.pubProviders.get(src.info.name); 9568 if (DEBUG_MU) 9569 Slog.v(TAG_MU, "ContentProviderRecord uid = " + dst.uid); 9570 if (dst != null) { 9571 ComponentName comp = new ComponentName(dst.info.packageName, dst.info.name); 9572 mProviderMap.putProviderByClass(comp, dst); 9573 String names[] = dst.info.authority.split(";"); 9574 for (int j = 0; j < names.length; j++) { 9575 mProviderMap.putProviderByName(names[j], dst); 9576 } 9577 9578 int NL = mLaunchingProviders.size(); 9579 int j; 9580 for (j=0; j<NL; j++) { 9581 if (mLaunchingProviders.get(j) == dst) { 9582 mLaunchingProviders.remove(j); 9583 j--; 9584 NL--; 9585 } 9586 } 9587 synchronized (dst) { 9588 dst.provider = src.provider; 9589 dst.proc = r; 9590 dst.notifyAll(); 9591 } 9592 updateOomAdjLocked(r); 9593 } 9594 } 9595 9596 Binder.restoreCallingIdentity(origId); 9597 } 9598 } 9599 9600 public boolean refContentProvider(IBinder connection, int stable, int unstable) { 9601 ContentProviderConnection conn; 9602 try { 9603 conn = (ContentProviderConnection)connection; 9604 } catch (ClassCastException e) { 9605 String msg ="refContentProvider: " + connection 9606 + " not a ContentProviderConnection"; 9607 Slog.w(TAG, msg); 9608 throw new IllegalArgumentException(msg); 9609 } 9610 if (conn == null) { 9611 throw new NullPointerException("connection is null"); 9612 } 9613 9614 synchronized (this) { 9615 if (stable > 0) { 9616 conn.numStableIncs += stable; 9617 } 9618 stable = conn.stableCount + stable; 9619 if (stable < 0) { 9620 throw new IllegalStateException("stableCount < 0: " + stable); 9621 } 9622 9623 if (unstable > 0) { 9624 conn.numUnstableIncs += unstable; 9625 } 9626 unstable = conn.unstableCount + unstable; 9627 if (unstable < 0) { 9628 throw new IllegalStateException("unstableCount < 0: " + unstable); 9629 } 9630 9631 if ((stable+unstable) <= 0) { 9632 throw new IllegalStateException("ref counts can't go to zero here: stable=" 9633 + stable + " unstable=" + unstable); 9634 } 9635 conn.stableCount = stable; 9636 conn.unstableCount = unstable; 9637 return !conn.dead; 9638 } 9639 } 9640 9641 public void unstableProviderDied(IBinder connection) { 9642 ContentProviderConnection conn; 9643 try { 9644 conn = (ContentProviderConnection)connection; 9645 } catch (ClassCastException e) { 9646 String msg ="refContentProvider: " + connection 9647 + " not a ContentProviderConnection"; 9648 Slog.w(TAG, msg); 9649 throw new IllegalArgumentException(msg); 9650 } 9651 if (conn == null) { 9652 throw new NullPointerException("connection is null"); 9653 } 9654 9655 // Safely retrieve the content provider associated with the connection. 9656 IContentProvider provider; 9657 synchronized (this) { 9658 provider = conn.provider.provider; 9659 } 9660 9661 if (provider == null) { 9662 // Um, yeah, we're way ahead of you. 9663 return; 9664 } 9665 9666 // Make sure the caller is being honest with us. 9667 if (provider.asBinder().pingBinder()) { 9668 // Er, no, still looks good to us. 9669 synchronized (this) { 9670 Slog.w(TAG, "unstableProviderDied: caller " + Binder.getCallingUid() 9671 + " says " + conn + " died, but we don't agree"); 9672 return; 9673 } 9674 } 9675 9676 // Well look at that! It's dead! 9677 synchronized (this) { 9678 if (conn.provider.provider != provider) { 9679 // But something changed... good enough. 9680 return; 9681 } 9682 9683 ProcessRecord proc = conn.provider.proc; 9684 if (proc == null || proc.thread == null) { 9685 // Seems like the process is already cleaned up. 9686 return; 9687 } 9688 9689 // As far as we're concerned, this is just like receiving a 9690 // death notification... just a bit prematurely. 9691 Slog.i(TAG, "Process " + proc.processName + " (pid " + proc.pid 9692 + ") early provider death"); 9693 final long ident = Binder.clearCallingIdentity(); 9694 try { 9695 appDiedLocked(proc); 9696 } finally { 9697 Binder.restoreCallingIdentity(ident); 9698 } 9699 } 9700 } 9701 9702 @Override 9703 public void appNotRespondingViaProvider(IBinder connection) { 9704 enforceCallingPermission( 9705 android.Manifest.permission.REMOVE_TASKS, "appNotRespondingViaProvider()"); 9706 9707 final ContentProviderConnection conn = (ContentProviderConnection) connection; 9708 if (conn == null) { 9709 Slog.w(TAG, "ContentProviderConnection is null"); 9710 return; 9711 } 9712 9713 final ProcessRecord host = conn.provider.proc; 9714 if (host == null) { 9715 Slog.w(TAG, "Failed to find hosting ProcessRecord"); 9716 return; 9717 } 9718 9719 final long token = Binder.clearCallingIdentity(); 9720 try { 9721 appNotResponding(host, null, null, false, "ContentProvider not responding"); 9722 } finally { 9723 Binder.restoreCallingIdentity(token); 9724 } 9725 } 9726 9727 public final void installSystemProviders() { 9728 List<ProviderInfo> providers; 9729 synchronized (this) { 9730 ProcessRecord app = mProcessNames.get("system", Process.SYSTEM_UID); 9731 providers = generateApplicationProvidersLocked(app); 9732 if (providers != null) { 9733 for (int i=providers.size()-1; i>=0; i--) { 9734 ProviderInfo pi = (ProviderInfo)providers.get(i); 9735 if ((pi.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9736 Slog.w(TAG, "Not installing system proc provider " + pi.name 9737 + ": not system .apk"); 9738 providers.remove(i); 9739 } 9740 } 9741 } 9742 } 9743 if (providers != null) { 9744 mSystemThread.installSystemProviders(providers); 9745 } 9746 9747 mCoreSettingsObserver = new CoreSettingsObserver(this); 9748 9749 //mUsageStatsService.monitorPackages(); 9750 } 9751 9752 /** 9753 * Allows apps to retrieve the MIME type of a URI. 9754 * If an app is in the same user as the ContentProvider, or if it is allowed to interact across 9755 * users, then it does not need permission to access the ContentProvider. 9756 * Either, it needs cross-user uri grants. 9757 * 9758 * CTS tests for this functionality can be run with "runtest cts-appsecurity". 9759 * 9760 * Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/ 9761 * src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java 9762 */ 9763 public String getProviderMimeType(Uri uri, int userId) { 9764 enforceNotIsolatedCaller("getProviderMimeType"); 9765 final String name = uri.getAuthority(); 9766 int callingUid = Binder.getCallingUid(); 9767 int callingPid = Binder.getCallingPid(); 9768 long ident = 0; 9769 boolean clearedIdentity = false; 9770 userId = unsafeConvertIncomingUser(userId); 9771 if (canClearIdentity(callingPid, callingUid, userId)) { 9772 clearedIdentity = true; 9773 ident = Binder.clearCallingIdentity(); 9774 } 9775 ContentProviderHolder holder = null; 9776 try { 9777 holder = getContentProviderExternalUnchecked(name, null, userId); 9778 if (holder != null) { 9779 return holder.provider.getType(uri); 9780 } 9781 } catch (RemoteException e) { 9782 Log.w(TAG, "Content provider dead retrieving " + uri, e); 9783 return null; 9784 } finally { 9785 // We need to clear the identity to call removeContentProviderExternalUnchecked 9786 if (!clearedIdentity) { 9787 ident = Binder.clearCallingIdentity(); 9788 } 9789 try { 9790 if (holder != null) { 9791 removeContentProviderExternalUnchecked(name, null, userId); 9792 } 9793 } finally { 9794 Binder.restoreCallingIdentity(ident); 9795 } 9796 } 9797 9798 return null; 9799 } 9800 9801 private boolean canClearIdentity(int callingPid, int callingUid, int userId) { 9802 if (UserHandle.getUserId(callingUid) == userId) { 9803 return true; 9804 } 9805 if (checkComponentPermission(INTERACT_ACROSS_USERS, callingPid, 9806 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED 9807 || checkComponentPermission(INTERACT_ACROSS_USERS_FULL, callingPid, 9808 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED) { 9809 return true; 9810 } 9811 return false; 9812 } 9813 9814 // ========================================================= 9815 // GLOBAL MANAGEMENT 9816 // ========================================================= 9817 9818 final ProcessRecord newProcessRecordLocked(ApplicationInfo info, String customProcess, 9819 boolean isolated, int isolatedUid) { 9820 String proc = customProcess != null ? customProcess : info.processName; 9821 BatteryStatsImpl.Uid.Proc ps = null; 9822 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 9823 int uid = info.uid; 9824 if (isolated) { 9825 if (isolatedUid == 0) { 9826 int userId = UserHandle.getUserId(uid); 9827 int stepsLeft = Process.LAST_ISOLATED_UID - Process.FIRST_ISOLATED_UID + 1; 9828 while (true) { 9829 if (mNextIsolatedProcessUid < Process.FIRST_ISOLATED_UID 9830 || mNextIsolatedProcessUid > Process.LAST_ISOLATED_UID) { 9831 mNextIsolatedProcessUid = Process.FIRST_ISOLATED_UID; 9832 } 9833 uid = UserHandle.getUid(userId, mNextIsolatedProcessUid); 9834 mNextIsolatedProcessUid++; 9835 if (mIsolatedProcesses.indexOfKey(uid) < 0) { 9836 // No process for this uid, use it. 9837 break; 9838 } 9839 stepsLeft--; 9840 if (stepsLeft <= 0) { 9841 return null; 9842 } 9843 } 9844 } else { 9845 // Special case for startIsolatedProcess (internal only), where 9846 // the uid of the isolated process is specified by the caller. 9847 uid = isolatedUid; 9848 } 9849 } 9850 return new ProcessRecord(stats, info, proc, uid); 9851 } 9852 9853 final ProcessRecord addAppLocked(ApplicationInfo info, boolean isolated, 9854 String abiOverride) { 9855 ProcessRecord app; 9856 if (!isolated) { 9857 app = getProcessRecordLocked(info.processName, info.uid, true); 9858 } else { 9859 app = null; 9860 } 9861 9862 if (app == null) { 9863 app = newProcessRecordLocked(info, null, isolated, 0); 9864 mProcessNames.put(info.processName, app.uid, app); 9865 if (isolated) { 9866 mIsolatedProcesses.put(app.uid, app); 9867 } 9868 updateLruProcessLocked(app, false, null); 9869 updateOomAdjLocked(); 9870 } 9871 9872 // This package really, really can not be stopped. 9873 try { 9874 AppGlobals.getPackageManager().setPackageStoppedState( 9875 info.packageName, false, UserHandle.getUserId(app.uid)); 9876 } catch (RemoteException e) { 9877 } catch (IllegalArgumentException e) { 9878 Slog.w(TAG, "Failed trying to unstop package " 9879 + info.packageName + ": " + e); 9880 } 9881 9882 if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) 9883 == (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) { 9884 app.persistent = true; 9885 app.maxAdj = ProcessList.PERSISTENT_PROC_ADJ; 9886 } 9887 if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) { 9888 mPersistentStartingProcesses.add(app); 9889 startProcessLocked(app, "added application", app.processName, abiOverride, 9890 null /* entryPoint */, null /* entryPointArgs */); 9891 } 9892 9893 return app; 9894 } 9895 9896 public void unhandledBack() { 9897 enforceCallingPermission(android.Manifest.permission.FORCE_BACK, 9898 "unhandledBack()"); 9899 9900 synchronized(this) { 9901 final long origId = Binder.clearCallingIdentity(); 9902 try { 9903 getFocusedStack().unhandledBackLocked(); 9904 } finally { 9905 Binder.restoreCallingIdentity(origId); 9906 } 9907 } 9908 } 9909 9910 public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException { 9911 enforceNotIsolatedCaller("openContentUri"); 9912 final int userId = UserHandle.getCallingUserId(); 9913 String name = uri.getAuthority(); 9914 ContentProviderHolder cph = getContentProviderExternalUnchecked(name, null, userId); 9915 ParcelFileDescriptor pfd = null; 9916 if (cph != null) { 9917 // We record the binder invoker's uid in thread-local storage before 9918 // going to the content provider to open the file. Later, in the code 9919 // that handles all permissions checks, we look for this uid and use 9920 // that rather than the Activity Manager's own uid. The effect is that 9921 // we do the check against the caller's permissions even though it looks 9922 // to the content provider like the Activity Manager itself is making 9923 // the request. 9924 sCallerIdentity.set(new Identity( 9925 Binder.getCallingPid(), Binder.getCallingUid())); 9926 try { 9927 pfd = cph.provider.openFile(null, uri, "r", null); 9928 } catch (FileNotFoundException e) { 9929 // do nothing; pfd will be returned null 9930 } finally { 9931 // Ensure that whatever happens, we clean up the identity state 9932 sCallerIdentity.remove(); 9933 } 9934 9935 // We've got the fd now, so we're done with the provider. 9936 removeContentProviderExternalUnchecked(name, null, userId); 9937 } else { 9938 Slog.d(TAG, "Failed to get provider for authority '" + name + "'"); 9939 } 9940 return pfd; 9941 } 9942 9943 // Actually is sleeping or shutting down or whatever else in the future 9944 // is an inactive state. 9945 public boolean isSleepingOrShuttingDown() { 9946 return isSleeping() || mShuttingDown; 9947 } 9948 9949 public boolean isSleeping() { 9950 return mSleeping && !mKeyguardWaitingForDraw; 9951 } 9952 9953 void goingToSleep() { 9954 synchronized(this) { 9955 mWentToSleep = true; 9956 updateEventDispatchingLocked(); 9957 goToSleepIfNeededLocked(); 9958 } 9959 } 9960 9961 void finishRunningVoiceLocked() { 9962 if (mRunningVoice) { 9963 mRunningVoice = false; 9964 goToSleepIfNeededLocked(); 9965 } 9966 } 9967 9968 void goToSleepIfNeededLocked() { 9969 if (mWentToSleep && !mRunningVoice) { 9970 if (!mSleeping) { 9971 mSleeping = true; 9972 mKeyguardWaitingForDraw = false; 9973 mStackSupervisor.goingToSleepLocked(); 9974 9975 // Initialize the wake times of all processes. 9976 checkExcessivePowerUsageLocked(false); 9977 mHandler.removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 9978 Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 9979 mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 9980 } 9981 } 9982 } 9983 9984 void notifyTaskPersisterLocked(TaskRecord task, boolean flush) { 9985 if (task != null && task.stack != null && task.stack.isHomeStack()) { 9986 // Never persist the home stack. 9987 return; 9988 } 9989 mTaskPersister.wakeup(task, flush); 9990 } 9991 9992 @Override 9993 public boolean shutdown(int timeout) { 9994 if (checkCallingPermission(android.Manifest.permission.SHUTDOWN) 9995 != PackageManager.PERMISSION_GRANTED) { 9996 throw new SecurityException("Requires permission " 9997 + android.Manifest.permission.SHUTDOWN); 9998 } 9999 10000 boolean timedout = false; 10001 10002 synchronized(this) { 10003 mShuttingDown = true; 10004 updateEventDispatchingLocked(); 10005 timedout = mStackSupervisor.shutdownLocked(timeout); 10006 } 10007 10008 mAppOpsService.shutdown(); 10009 if (mUsageStatsService != null) { 10010 mUsageStatsService.prepareShutdown(); 10011 } 10012 mBatteryStatsService.shutdown(); 10013 synchronized (this) { 10014 mProcessStats.shutdownLocked(); 10015 } 10016 notifyTaskPersisterLocked(null, true); 10017 10018 return timedout; 10019 } 10020 10021 public final void activitySlept(IBinder token) { 10022 if (localLOGV) Slog.v(TAG, "Activity slept: token=" + token); 10023 10024 final long origId = Binder.clearCallingIdentity(); 10025 10026 synchronized (this) { 10027 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10028 if (r != null) { 10029 mStackSupervisor.activitySleptLocked(r); 10030 } 10031 } 10032 10033 Binder.restoreCallingIdentity(origId); 10034 } 10035 10036 void logLockScreen(String msg) { 10037 if (DEBUG_LOCKSCREEN) Slog.d(TAG, Debug.getCallers(2) + ":" + msg + 10038 " mLockScreenShown=" + mLockScreenShown + " mWentToSleep=" + 10039 mWentToSleep + " mSleeping=" + mSleeping); 10040 } 10041 10042 private void comeOutOfSleepIfNeededLocked() { 10043 if ((!mWentToSleep && !mLockScreenShown) || mRunningVoice) { 10044 if (mSleeping) { 10045 mSleeping = false; 10046 mStackSupervisor.comeOutOfSleepIfNeededLocked(); 10047 } 10048 } 10049 } 10050 10051 void wakingUp() { 10052 synchronized(this) { 10053 mWentToSleep = false; 10054 updateEventDispatchingLocked(); 10055 comeOutOfSleepIfNeededLocked(); 10056 } 10057 } 10058 10059 void startRunningVoiceLocked() { 10060 if (!mRunningVoice) { 10061 mRunningVoice = true; 10062 comeOutOfSleepIfNeededLocked(); 10063 } 10064 } 10065 10066 private void updateEventDispatchingLocked() { 10067 mWindowManager.setEventDispatching(mBooted && !mShuttingDown); 10068 } 10069 10070 public void setLockScreenShown(boolean shown) { 10071 if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER) 10072 != PackageManager.PERMISSION_GRANTED) { 10073 throw new SecurityException("Requires permission " 10074 + android.Manifest.permission.DEVICE_POWER); 10075 } 10076 10077 synchronized(this) { 10078 long ident = Binder.clearCallingIdentity(); 10079 try { 10080 if (DEBUG_LOCKSCREEN) logLockScreen(" shown=" + shown); 10081 mLockScreenShown = shown; 10082 mKeyguardWaitingForDraw = false; 10083 comeOutOfSleepIfNeededLocked(); 10084 } finally { 10085 Binder.restoreCallingIdentity(ident); 10086 } 10087 } 10088 } 10089 10090 @Override 10091 public void stopAppSwitches() { 10092 if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) 10093 != PackageManager.PERMISSION_GRANTED) { 10094 throw new SecurityException("Requires permission " 10095 + android.Manifest.permission.STOP_APP_SWITCHES); 10096 } 10097 10098 synchronized(this) { 10099 mAppSwitchesAllowedTime = SystemClock.uptimeMillis() 10100 + APP_SWITCH_DELAY_TIME; 10101 mDidAppSwitch = false; 10102 mHandler.removeMessages(DO_PENDING_ACTIVITY_LAUNCHES_MSG); 10103 Message msg = mHandler.obtainMessage(DO_PENDING_ACTIVITY_LAUNCHES_MSG); 10104 mHandler.sendMessageDelayed(msg, APP_SWITCH_DELAY_TIME); 10105 } 10106 } 10107 10108 public void resumeAppSwitches() { 10109 if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) 10110 != PackageManager.PERMISSION_GRANTED) { 10111 throw new SecurityException("Requires permission " 10112 + android.Manifest.permission.STOP_APP_SWITCHES); 10113 } 10114 10115 synchronized(this) { 10116 // Note that we don't execute any pending app switches... we will 10117 // let those wait until either the timeout, or the next start 10118 // activity request. 10119 mAppSwitchesAllowedTime = 0; 10120 } 10121 } 10122 10123 boolean checkAppSwitchAllowedLocked(int sourcePid, int sourceUid, 10124 int callingPid, int callingUid, String name) { 10125 if (mAppSwitchesAllowedTime < SystemClock.uptimeMillis()) { 10126 return true; 10127 } 10128 10129 int perm = checkComponentPermission( 10130 android.Manifest.permission.STOP_APP_SWITCHES, sourcePid, 10131 sourceUid, -1, true); 10132 if (perm == PackageManager.PERMISSION_GRANTED) { 10133 return true; 10134 } 10135 10136 // If the actual IPC caller is different from the logical source, then 10137 // also see if they are allowed to control app switches. 10138 if (callingUid != -1 && callingUid != sourceUid) { 10139 perm = checkComponentPermission( 10140 android.Manifest.permission.STOP_APP_SWITCHES, callingPid, 10141 callingUid, -1, true); 10142 if (perm == PackageManager.PERMISSION_GRANTED) { 10143 return true; 10144 } 10145 } 10146 10147 Slog.w(TAG, name + " request from " + sourceUid + " stopped"); 10148 return false; 10149 } 10150 10151 public void setDebugApp(String packageName, boolean waitForDebugger, 10152 boolean persistent) { 10153 enforceCallingPermission(android.Manifest.permission.SET_DEBUG_APP, 10154 "setDebugApp()"); 10155 10156 long ident = Binder.clearCallingIdentity(); 10157 try { 10158 // Note that this is not really thread safe if there are multiple 10159 // callers into it at the same time, but that's not a situation we 10160 // care about. 10161 if (persistent) { 10162 final ContentResolver resolver = mContext.getContentResolver(); 10163 Settings.Global.putString( 10164 resolver, Settings.Global.DEBUG_APP, 10165 packageName); 10166 Settings.Global.putInt( 10167 resolver, Settings.Global.WAIT_FOR_DEBUGGER, 10168 waitForDebugger ? 1 : 0); 10169 } 10170 10171 synchronized (this) { 10172 if (!persistent) { 10173 mOrigDebugApp = mDebugApp; 10174 mOrigWaitForDebugger = mWaitForDebugger; 10175 } 10176 mDebugApp = packageName; 10177 mWaitForDebugger = waitForDebugger; 10178 mDebugTransient = !persistent; 10179 if (packageName != null) { 10180 forceStopPackageLocked(packageName, -1, false, false, true, true, 10181 false, UserHandle.USER_ALL, "set debug app"); 10182 } 10183 } 10184 } finally { 10185 Binder.restoreCallingIdentity(ident); 10186 } 10187 } 10188 10189 void setOpenGlTraceApp(ApplicationInfo app, String processName) { 10190 synchronized (this) { 10191 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 10192 if (!isDebuggable) { 10193 if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 10194 throw new SecurityException("Process not debuggable: " + app.packageName); 10195 } 10196 } 10197 10198 mOpenGlTraceApp = processName; 10199 } 10200 } 10201 10202 void setProfileApp(ApplicationInfo app, String processName, ProfilerInfo profilerInfo) { 10203 synchronized (this) { 10204 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 10205 if (!isDebuggable) { 10206 if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 10207 throw new SecurityException("Process not debuggable: " + app.packageName); 10208 } 10209 } 10210 mProfileApp = processName; 10211 mProfileFile = profilerInfo.profileFile; 10212 if (mProfileFd != null) { 10213 try { 10214 mProfileFd.close(); 10215 } catch (IOException e) { 10216 } 10217 mProfileFd = null; 10218 } 10219 mProfileFd = profilerInfo.profileFd; 10220 mSamplingInterval = profilerInfo.samplingInterval; 10221 mAutoStopProfiler = profilerInfo.autoStopProfiler; 10222 mProfileType = 0; 10223 } 10224 } 10225 10226 @Override 10227 public void setAlwaysFinish(boolean enabled) { 10228 enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH, 10229 "setAlwaysFinish()"); 10230 10231 Settings.Global.putInt( 10232 mContext.getContentResolver(), 10233 Settings.Global.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0); 10234 10235 synchronized (this) { 10236 mAlwaysFinishActivities = enabled; 10237 } 10238 } 10239 10240 @Override 10241 public void setActivityController(IActivityController controller) { 10242 enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, 10243 "setActivityController()"); 10244 synchronized (this) { 10245 mController = controller; 10246 Watchdog.getInstance().setActivityController(controller); 10247 } 10248 } 10249 10250 @Override 10251 public void setUserIsMonkey(boolean userIsMonkey) { 10252 synchronized (this) { 10253 synchronized (mPidsSelfLocked) { 10254 final int callingPid = Binder.getCallingPid(); 10255 ProcessRecord precessRecord = mPidsSelfLocked.get(callingPid); 10256 if (precessRecord == null) { 10257 throw new SecurityException("Unknown process: " + callingPid); 10258 } 10259 if (precessRecord.instrumentationUiAutomationConnection == null) { 10260 throw new SecurityException("Only an instrumentation process " 10261 + "with a UiAutomation can call setUserIsMonkey"); 10262 } 10263 } 10264 mUserIsMonkey = userIsMonkey; 10265 } 10266 } 10267 10268 @Override 10269 public boolean isUserAMonkey() { 10270 synchronized (this) { 10271 // If there is a controller also implies the user is a monkey. 10272 return (mUserIsMonkey || mController != null); 10273 } 10274 } 10275 10276 public void requestBugReport() { 10277 enforceCallingPermission(android.Manifest.permission.DUMP, "requestBugReport"); 10278 SystemProperties.set("ctl.start", "bugreport"); 10279 } 10280 10281 public static long getInputDispatchingTimeoutLocked(ActivityRecord r) { 10282 return r != null ? getInputDispatchingTimeoutLocked(r.app) : KEY_DISPATCHING_TIMEOUT; 10283 } 10284 10285 public static long getInputDispatchingTimeoutLocked(ProcessRecord r) { 10286 if (r != null && (r.instrumentationClass != null || r.usingWrapper)) { 10287 return INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT; 10288 } 10289 return KEY_DISPATCHING_TIMEOUT; 10290 } 10291 10292 @Override 10293 public long inputDispatchingTimedOut(int pid, final boolean aboveSystem, String reason) { 10294 if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) 10295 != PackageManager.PERMISSION_GRANTED) { 10296 throw new SecurityException("Requires permission " 10297 + android.Manifest.permission.FILTER_EVENTS); 10298 } 10299 ProcessRecord proc; 10300 long timeout; 10301 synchronized (this) { 10302 synchronized (mPidsSelfLocked) { 10303 proc = mPidsSelfLocked.get(pid); 10304 } 10305 timeout = getInputDispatchingTimeoutLocked(proc); 10306 } 10307 10308 if (!inputDispatchingTimedOut(proc, null, null, aboveSystem, reason)) { 10309 return -1; 10310 } 10311 10312 return timeout; 10313 } 10314 10315 /** 10316 * Handle input dispatching timeouts. 10317 * Returns whether input dispatching should be aborted or not. 10318 */ 10319 public boolean inputDispatchingTimedOut(final ProcessRecord proc, 10320 final ActivityRecord activity, final ActivityRecord parent, 10321 final boolean aboveSystem, String reason) { 10322 if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) 10323 != PackageManager.PERMISSION_GRANTED) { 10324 throw new SecurityException("Requires permission " 10325 + android.Manifest.permission.FILTER_EVENTS); 10326 } 10327 10328 final String annotation; 10329 if (reason == null) { 10330 annotation = "Input dispatching timed out"; 10331 } else { 10332 annotation = "Input dispatching timed out (" + reason + ")"; 10333 } 10334 10335 if (proc != null) { 10336 synchronized (this) { 10337 if (proc.debugging) { 10338 return false; 10339 } 10340 10341 if (mDidDexOpt) { 10342 // Give more time since we were dexopting. 10343 mDidDexOpt = false; 10344 return false; 10345 } 10346 10347 if (proc.instrumentationClass != null) { 10348 Bundle info = new Bundle(); 10349 info.putString("shortMsg", "keyDispatchingTimedOut"); 10350 info.putString("longMsg", annotation); 10351 finishInstrumentationLocked(proc, Activity.RESULT_CANCELED, info); 10352 return true; 10353 } 10354 } 10355 mHandler.post(new Runnable() { 10356 @Override 10357 public void run() { 10358 appNotResponding(proc, activity, parent, aboveSystem, annotation); 10359 } 10360 }); 10361 } 10362 10363 return true; 10364 } 10365 10366 public Bundle getAssistContextExtras(int requestType) { 10367 enforceCallingPermission(android.Manifest.permission.GET_TOP_ACTIVITY_INFO, 10368 "getAssistContextExtras()"); 10369 PendingAssistExtras pae; 10370 Bundle extras = new Bundle(); 10371 synchronized (this) { 10372 ActivityRecord activity = getFocusedStack().mResumedActivity; 10373 if (activity == null) { 10374 Slog.w(TAG, "getAssistContextExtras failed: no resumed activity"); 10375 return null; 10376 } 10377 extras.putString(Intent.EXTRA_ASSIST_PACKAGE, activity.packageName); 10378 if (activity.app == null || activity.app.thread == null) { 10379 Slog.w(TAG, "getAssistContextExtras failed: no process for " + activity); 10380 return extras; 10381 } 10382 if (activity.app.pid == Binder.getCallingPid()) { 10383 Slog.w(TAG, "getAssistContextExtras failed: request process same as " + activity); 10384 return extras; 10385 } 10386 pae = new PendingAssistExtras(activity); 10387 try { 10388 activity.app.thread.requestAssistContextExtras(activity.appToken, pae, 10389 requestType); 10390 mPendingAssistExtras.add(pae); 10391 mHandler.postDelayed(pae, PENDING_ASSIST_EXTRAS_TIMEOUT); 10392 } catch (RemoteException e) { 10393 Slog.w(TAG, "getAssistContextExtras failed: crash calling " + activity); 10394 return extras; 10395 } 10396 } 10397 synchronized (pae) { 10398 while (!pae.haveResult) { 10399 try { 10400 pae.wait(); 10401 } catch (InterruptedException e) { 10402 } 10403 } 10404 if (pae.result != null) { 10405 extras.putBundle(Intent.EXTRA_ASSIST_CONTEXT, pae.result); 10406 } 10407 } 10408 synchronized (this) { 10409 mPendingAssistExtras.remove(pae); 10410 mHandler.removeCallbacks(pae); 10411 } 10412 return extras; 10413 } 10414 10415 public void reportAssistContextExtras(IBinder token, Bundle extras) { 10416 PendingAssistExtras pae = (PendingAssistExtras)token; 10417 synchronized (pae) { 10418 pae.result = extras; 10419 pae.haveResult = true; 10420 pae.notifyAll(); 10421 } 10422 } 10423 10424 public void registerProcessObserver(IProcessObserver observer) { 10425 enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, 10426 "registerProcessObserver()"); 10427 synchronized (this) { 10428 mProcessObservers.register(observer); 10429 } 10430 } 10431 10432 @Override 10433 public void unregisterProcessObserver(IProcessObserver observer) { 10434 synchronized (this) { 10435 mProcessObservers.unregister(observer); 10436 } 10437 } 10438 10439 @Override 10440 public boolean convertFromTranslucent(IBinder token) { 10441 final long origId = Binder.clearCallingIdentity(); 10442 try { 10443 synchronized (this) { 10444 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10445 if (r == null) { 10446 return false; 10447 } 10448 final boolean translucentChanged = r.changeWindowTranslucency(true); 10449 if (translucentChanged) { 10450 r.task.stack.releaseBackgroundResources(); 10451 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 10452 } 10453 mWindowManager.setAppFullscreen(token, true); 10454 return translucentChanged; 10455 } 10456 } finally { 10457 Binder.restoreCallingIdentity(origId); 10458 } 10459 } 10460 10461 @Override 10462 public boolean convertToTranslucent(IBinder token, ActivityOptions options) { 10463 final long origId = Binder.clearCallingIdentity(); 10464 try { 10465 synchronized (this) { 10466 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10467 if (r == null) { 10468 return false; 10469 } 10470 int index = r.task.mActivities.lastIndexOf(r); 10471 if (index > 0) { 10472 ActivityRecord under = r.task.mActivities.get(index - 1); 10473 under.returningOptions = options; 10474 } 10475 final boolean translucentChanged = r.changeWindowTranslucency(false); 10476 if (translucentChanged) { 10477 r.task.stack.convertToTranslucent(r); 10478 } 10479 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 10480 mWindowManager.setAppFullscreen(token, false); 10481 return translucentChanged; 10482 } 10483 } finally { 10484 Binder.restoreCallingIdentity(origId); 10485 } 10486 } 10487 10488 @Override 10489 public boolean requestVisibleBehind(IBinder token, boolean visible) { 10490 final long origId = Binder.clearCallingIdentity(); 10491 try { 10492 synchronized (this) { 10493 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10494 if (r != null) { 10495 return mStackSupervisor.requestVisibleBehindLocked(r, visible); 10496 } 10497 } 10498 return false; 10499 } finally { 10500 Binder.restoreCallingIdentity(origId); 10501 } 10502 } 10503 10504 @Override 10505 public boolean isBackgroundVisibleBehind(IBinder token) { 10506 final long origId = Binder.clearCallingIdentity(); 10507 try { 10508 synchronized (this) { 10509 final ActivityStack stack = ActivityRecord.getStackLocked(token); 10510 final boolean visible = stack == null ? false : stack.hasVisibleBehindActivity(); 10511 if (ActivityStackSupervisor.DEBUG_VISIBLE_BEHIND) Slog.d(TAG, 10512 "isBackgroundVisibleBehind: stack=" + stack + " visible=" + visible); 10513 return visible; 10514 } 10515 } finally { 10516 Binder.restoreCallingIdentity(origId); 10517 } 10518 } 10519 10520 @Override 10521 public ActivityOptions getActivityOptions(IBinder token) { 10522 final long origId = Binder.clearCallingIdentity(); 10523 try { 10524 synchronized (this) { 10525 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10526 if (r != null) { 10527 final ActivityOptions activityOptions = r.pendingOptions; 10528 r.pendingOptions = null; 10529 return activityOptions; 10530 } 10531 return null; 10532 } 10533 } finally { 10534 Binder.restoreCallingIdentity(origId); 10535 } 10536 } 10537 10538 @Override 10539 public void setImmersive(IBinder token, boolean immersive) { 10540 synchronized(this) { 10541 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10542 if (r == null) { 10543 throw new IllegalArgumentException(); 10544 } 10545 r.immersive = immersive; 10546 10547 // update associated state if we're frontmost 10548 if (r == mFocusedActivity) { 10549 if (DEBUG_IMMERSIVE) { 10550 Slog.d(TAG, "Frontmost changed immersion: "+ r); 10551 } 10552 applyUpdateLockStateLocked(r); 10553 } 10554 } 10555 } 10556 10557 @Override 10558 public boolean isImmersive(IBinder token) { 10559 synchronized (this) { 10560 ActivityRecord r = ActivityRecord.isInStackLocked(token); 10561 if (r == null) { 10562 throw new IllegalArgumentException(); 10563 } 10564 return r.immersive; 10565 } 10566 } 10567 10568 public boolean isTopActivityImmersive() { 10569 enforceNotIsolatedCaller("startActivity"); 10570 synchronized (this) { 10571 ActivityRecord r = getFocusedStack().topRunningActivityLocked(null); 10572 return (r != null) ? r.immersive : false; 10573 } 10574 } 10575 10576 @Override 10577 public boolean isTopOfTask(IBinder token) { 10578 synchronized (this) { 10579 ActivityRecord r = ActivityRecord.isInStackLocked(token); 10580 if (r == null) { 10581 throw new IllegalArgumentException(); 10582 } 10583 return r.task.getTopActivity() == r; 10584 } 10585 } 10586 10587 public final void enterSafeMode() { 10588 synchronized(this) { 10589 // It only makes sense to do this before the system is ready 10590 // and started launching other packages. 10591 if (!mSystemReady) { 10592 try { 10593 AppGlobals.getPackageManager().enterSafeMode(); 10594 } catch (RemoteException e) { 10595 } 10596 } 10597 10598 mSafeMode = true; 10599 } 10600 } 10601 10602 public final void showSafeModeOverlay() { 10603 View v = LayoutInflater.from(mContext).inflate( 10604 com.android.internal.R.layout.safe_mode, null); 10605 WindowManager.LayoutParams lp = new WindowManager.LayoutParams(); 10606 lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY; 10607 lp.width = WindowManager.LayoutParams.WRAP_CONTENT; 10608 lp.height = WindowManager.LayoutParams.WRAP_CONTENT; 10609 lp.gravity = Gravity.BOTTOM | Gravity.START; 10610 lp.format = v.getBackground().getOpacity(); 10611 lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 10612 | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 10613 lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 10614 ((WindowManager)mContext.getSystemService( 10615 Context.WINDOW_SERVICE)).addView(v, lp); 10616 } 10617 10618 public void noteWakeupAlarm(IIntentSender sender, int sourceUid, String sourcePkg) { 10619 if (!(sender instanceof PendingIntentRecord)) { 10620 return; 10621 } 10622 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 10623 synchronized (stats) { 10624 if (mBatteryStatsService.isOnBattery()) { 10625 mBatteryStatsService.enforceCallingPermission(); 10626 PendingIntentRecord rec = (PendingIntentRecord)sender; 10627 int MY_UID = Binder.getCallingUid(); 10628 int uid = rec.uid == MY_UID ? Process.SYSTEM_UID : rec.uid; 10629 BatteryStatsImpl.Uid.Pkg pkg = 10630 stats.getPackageStatsLocked(sourceUid >= 0 ? sourceUid : uid, 10631 sourcePkg != null ? sourcePkg : rec.key.packageName); 10632 pkg.incWakeupsLocked(); 10633 } 10634 } 10635 } 10636 10637 public boolean killPids(int[] pids, String pReason, boolean secure) { 10638 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10639 throw new SecurityException("killPids only available to the system"); 10640 } 10641 String reason = (pReason == null) ? "Unknown" : pReason; 10642 // XXX Note: don't acquire main activity lock here, because the window 10643 // manager calls in with its locks held. 10644 10645 boolean killed = false; 10646 synchronized (mPidsSelfLocked) { 10647 int[] types = new int[pids.length]; 10648 int worstType = 0; 10649 for (int i=0; i<pids.length; i++) { 10650 ProcessRecord proc = mPidsSelfLocked.get(pids[i]); 10651 if (proc != null) { 10652 int type = proc.setAdj; 10653 types[i] = type; 10654 if (type > worstType) { 10655 worstType = type; 10656 } 10657 } 10658 } 10659 10660 // If the worst oom_adj is somewhere in the cached proc LRU range, 10661 // then constrain it so we will kill all cached procs. 10662 if (worstType < ProcessList.CACHED_APP_MAX_ADJ 10663 && worstType > ProcessList.CACHED_APP_MIN_ADJ) { 10664 worstType = ProcessList.CACHED_APP_MIN_ADJ; 10665 } 10666 10667 // If this is not a secure call, don't let it kill processes that 10668 // are important. 10669 if (!secure && worstType < ProcessList.SERVICE_ADJ) { 10670 worstType = ProcessList.SERVICE_ADJ; 10671 } 10672 10673 Slog.w(TAG, "Killing processes " + reason + " at adjustment " + worstType); 10674 for (int i=0; i<pids.length; i++) { 10675 ProcessRecord proc = mPidsSelfLocked.get(pids[i]); 10676 if (proc == null) { 10677 continue; 10678 } 10679 int adj = proc.setAdj; 10680 if (adj >= worstType && !proc.killedByAm) { 10681 proc.kill(reason, true); 10682 killed = true; 10683 } 10684 } 10685 } 10686 return killed; 10687 } 10688 10689 @Override 10690 public void killUid(int uid, String reason) { 10691 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10692 throw new SecurityException("killUid only available to the system"); 10693 } 10694 synchronized (this) { 10695 killPackageProcessesLocked(null, UserHandle.getAppId(uid), UserHandle.getUserId(uid), 10696 ProcessList.FOREGROUND_APP_ADJ-1, false, true, true, false, 10697 reason != null ? reason : "kill uid"); 10698 } 10699 } 10700 10701 @Override 10702 public boolean killProcessesBelowForeground(String reason) { 10703 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10704 throw new SecurityException("killProcessesBelowForeground() only available to system"); 10705 } 10706 10707 return killProcessesBelowAdj(ProcessList.FOREGROUND_APP_ADJ, reason); 10708 } 10709 10710 private boolean killProcessesBelowAdj(int belowAdj, String reason) { 10711 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10712 throw new SecurityException("killProcessesBelowAdj() only available to system"); 10713 } 10714 10715 boolean killed = false; 10716 synchronized (mPidsSelfLocked) { 10717 final int size = mPidsSelfLocked.size(); 10718 for (int i = 0; i < size; i++) { 10719 final int pid = mPidsSelfLocked.keyAt(i); 10720 final ProcessRecord proc = mPidsSelfLocked.valueAt(i); 10721 if (proc == null) continue; 10722 10723 final int adj = proc.setAdj; 10724 if (adj > belowAdj && !proc.killedByAm) { 10725 proc.kill(reason, true); 10726 killed = true; 10727 } 10728 } 10729 } 10730 return killed; 10731 } 10732 10733 @Override 10734 public void hang(final IBinder who, boolean allowRestart) { 10735 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 10736 != PackageManager.PERMISSION_GRANTED) { 10737 throw new SecurityException("Requires permission " 10738 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 10739 } 10740 10741 final IBinder.DeathRecipient death = new DeathRecipient() { 10742 @Override 10743 public void binderDied() { 10744 synchronized (this) { 10745 notifyAll(); 10746 } 10747 } 10748 }; 10749 10750 try { 10751 who.linkToDeath(death, 0); 10752 } catch (RemoteException e) { 10753 Slog.w(TAG, "hang: given caller IBinder is already dead."); 10754 return; 10755 } 10756 10757 synchronized (this) { 10758 Watchdog.getInstance().setAllowRestart(allowRestart); 10759 Slog.i(TAG, "Hanging system process at request of pid " + Binder.getCallingPid()); 10760 synchronized (death) { 10761 while (who.isBinderAlive()) { 10762 try { 10763 death.wait(); 10764 } catch (InterruptedException e) { 10765 } 10766 } 10767 } 10768 Watchdog.getInstance().setAllowRestart(true); 10769 } 10770 } 10771 10772 @Override 10773 public void restart() { 10774 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 10775 != PackageManager.PERMISSION_GRANTED) { 10776 throw new SecurityException("Requires permission " 10777 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 10778 } 10779 10780 Log.i(TAG, "Sending shutdown broadcast..."); 10781 10782 BroadcastReceiver br = new BroadcastReceiver() { 10783 @Override public void onReceive(Context context, Intent intent) { 10784 // Now the broadcast is done, finish up the low-level shutdown. 10785 Log.i(TAG, "Shutting down activity manager..."); 10786 shutdown(10000); 10787 Log.i(TAG, "Shutdown complete, restarting!"); 10788 Process.killProcess(Process.myPid()); 10789 System.exit(10); 10790 } 10791 }; 10792 10793 // First send the high-level shut down broadcast. 10794 Intent intent = new Intent(Intent.ACTION_SHUTDOWN); 10795 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10796 intent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true); 10797 /* For now we are not doing a clean shutdown, because things seem to get unhappy. 10798 mContext.sendOrderedBroadcastAsUser(intent, 10799 UserHandle.ALL, null, br, mHandler, 0, null, null); 10800 */ 10801 br.onReceive(mContext, intent); 10802 } 10803 10804 private long getLowRamTimeSinceIdle(long now) { 10805 return mLowRamTimeSinceLastIdle + (mLowRamStartTime > 0 ? (now-mLowRamStartTime) : 0); 10806 } 10807 10808 @Override 10809 public void performIdleMaintenance() { 10810 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 10811 != PackageManager.PERMISSION_GRANTED) { 10812 throw new SecurityException("Requires permission " 10813 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 10814 } 10815 10816 synchronized (this) { 10817 final long now = SystemClock.uptimeMillis(); 10818 final long timeSinceLastIdle = now - mLastIdleTime; 10819 final long lowRamSinceLastIdle = getLowRamTimeSinceIdle(now); 10820 mLastIdleTime = now; 10821 mLowRamTimeSinceLastIdle = 0; 10822 if (mLowRamStartTime != 0) { 10823 mLowRamStartTime = now; 10824 } 10825 10826 StringBuilder sb = new StringBuilder(128); 10827 sb.append("Idle maintenance over "); 10828 TimeUtils.formatDuration(timeSinceLastIdle, sb); 10829 sb.append(" low RAM for "); 10830 TimeUtils.formatDuration(lowRamSinceLastIdle, sb); 10831 Slog.i(TAG, sb.toString()); 10832 10833 // If at least 1/3 of our time since the last idle period has been spent 10834 // with RAM low, then we want to kill processes. 10835 boolean doKilling = lowRamSinceLastIdle > (timeSinceLastIdle/3); 10836 10837 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 10838 ProcessRecord proc = mLruProcesses.get(i); 10839 if (proc.notCachedSinceIdle) { 10840 if (proc.setProcState > ActivityManager.PROCESS_STATE_TOP 10841 && proc.setProcState <= ActivityManager.PROCESS_STATE_SERVICE) { 10842 if (doKilling && proc.initialIdlePss != 0 10843 && proc.lastPss > ((proc.initialIdlePss*3)/2)) { 10844 proc.kill("idle maint (pss " + proc.lastPss 10845 + " from " + proc.initialIdlePss + ")", true); 10846 } 10847 } 10848 } else if (proc.setProcState < ActivityManager.PROCESS_STATE_HOME) { 10849 proc.notCachedSinceIdle = true; 10850 proc.initialIdlePss = 0; 10851 proc.nextPssTime = ProcessList.computeNextPssTime(proc.curProcState, true, 10852 isSleeping(), now); 10853 } 10854 } 10855 10856 mHandler.removeMessages(REQUEST_ALL_PSS_MSG); 10857 mHandler.sendEmptyMessageDelayed(REQUEST_ALL_PSS_MSG, 2*60*1000); 10858 } 10859 } 10860 10861 private void retrieveSettings() { 10862 final ContentResolver resolver = mContext.getContentResolver(); 10863 String debugApp = Settings.Global.getString( 10864 resolver, Settings.Global.DEBUG_APP); 10865 boolean waitForDebugger = Settings.Global.getInt( 10866 resolver, Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0; 10867 boolean alwaysFinishActivities = Settings.Global.getInt( 10868 resolver, Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0; 10869 boolean forceRtl = Settings.Global.getInt( 10870 resolver, Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0; 10871 // Transfer any global setting for forcing RTL layout, into a System Property 10872 SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, forceRtl ? "1":"0"); 10873 10874 Configuration configuration = new Configuration(); 10875 Settings.System.getConfiguration(resolver, configuration); 10876 if (forceRtl) { 10877 // This will take care of setting the correct layout direction flags 10878 configuration.setLayoutDirection(configuration.locale); 10879 } 10880 10881 synchronized (this) { 10882 mDebugApp = mOrigDebugApp = debugApp; 10883 mWaitForDebugger = mOrigWaitForDebugger = waitForDebugger; 10884 mAlwaysFinishActivities = alwaysFinishActivities; 10885 // This happens before any activities are started, so we can 10886 // change mConfiguration in-place. 10887 updateConfigurationLocked(configuration, null, false, true); 10888 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Initial config: " + mConfiguration); 10889 } 10890 } 10891 10892 /** Loads resources after the current configuration has been set. */ 10893 private void loadResourcesOnSystemReady() { 10894 final Resources res = mContext.getResources(); 10895 mHasRecents = res.getBoolean(com.android.internal.R.bool.config_hasRecents); 10896 mThumbnailWidth = res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width); 10897 mThumbnailHeight = res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height); 10898 } 10899 10900 public boolean testIsSystemReady() { 10901 // no need to synchronize(this) just to read & return the value 10902 return mSystemReady; 10903 } 10904 10905 private static File getCalledPreBootReceiversFile() { 10906 File dataDir = Environment.getDataDirectory(); 10907 File systemDir = new File(dataDir, "system"); 10908 File fname = new File(systemDir, CALLED_PRE_BOOTS_FILENAME); 10909 return fname; 10910 } 10911 10912 private static ArrayList<ComponentName> readLastDonePreBootReceivers() { 10913 ArrayList<ComponentName> lastDoneReceivers = new ArrayList<ComponentName>(); 10914 File file = getCalledPreBootReceiversFile(); 10915 FileInputStream fis = null; 10916 try { 10917 fis = new FileInputStream(file); 10918 DataInputStream dis = new DataInputStream(new BufferedInputStream(fis, 2048)); 10919 int fvers = dis.readInt(); 10920 if (fvers == LAST_PREBOOT_DELIVERED_FILE_VERSION) { 10921 String vers = dis.readUTF(); 10922 String codename = dis.readUTF(); 10923 String build = dis.readUTF(); 10924 if (android.os.Build.VERSION.RELEASE.equals(vers) 10925 && android.os.Build.VERSION.CODENAME.equals(codename) 10926 && android.os.Build.VERSION.INCREMENTAL.equals(build)) { 10927 int num = dis.readInt(); 10928 while (num > 0) { 10929 num--; 10930 String pkg = dis.readUTF(); 10931 String cls = dis.readUTF(); 10932 lastDoneReceivers.add(new ComponentName(pkg, cls)); 10933 } 10934 } 10935 } 10936 } catch (FileNotFoundException e) { 10937 } catch (IOException e) { 10938 Slog.w(TAG, "Failure reading last done pre-boot receivers", e); 10939 } finally { 10940 if (fis != null) { 10941 try { 10942 fis.close(); 10943 } catch (IOException e) { 10944 } 10945 } 10946 } 10947 return lastDoneReceivers; 10948 } 10949 10950 private static void writeLastDonePreBootReceivers(ArrayList<ComponentName> list) { 10951 File file = getCalledPreBootReceiversFile(); 10952 FileOutputStream fos = null; 10953 DataOutputStream dos = null; 10954 try { 10955 fos = new FileOutputStream(file); 10956 dos = new DataOutputStream(new BufferedOutputStream(fos, 2048)); 10957 dos.writeInt(LAST_PREBOOT_DELIVERED_FILE_VERSION); 10958 dos.writeUTF(android.os.Build.VERSION.RELEASE); 10959 dos.writeUTF(android.os.Build.VERSION.CODENAME); 10960 dos.writeUTF(android.os.Build.VERSION.INCREMENTAL); 10961 dos.writeInt(list.size()); 10962 for (int i=0; i<list.size(); i++) { 10963 dos.writeUTF(list.get(i).getPackageName()); 10964 dos.writeUTF(list.get(i).getClassName()); 10965 } 10966 } catch (IOException e) { 10967 Slog.w(TAG, "Failure writing last done pre-boot receivers", e); 10968 file.delete(); 10969 } finally { 10970 FileUtils.sync(fos); 10971 if (dos != null) { 10972 try { 10973 dos.close(); 10974 } catch (IOException e) { 10975 // TODO Auto-generated catch block 10976 e.printStackTrace(); 10977 } 10978 } 10979 } 10980 } 10981 10982 private boolean deliverPreBootCompleted(final Runnable onFinishCallback, 10983 ArrayList<ComponentName> doneReceivers, int userId) { 10984 boolean waitingUpdate = false; 10985 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 10986 List<ResolveInfo> ris = null; 10987 try { 10988 ris = AppGlobals.getPackageManager().queryIntentReceivers( 10989 intent, null, 0, userId); 10990 } catch (RemoteException e) { 10991 } 10992 if (ris != null) { 10993 for (int i=ris.size()-1; i>=0; i--) { 10994 if ((ris.get(i).activityInfo.applicationInfo.flags 10995 &ApplicationInfo.FLAG_SYSTEM) == 0) { 10996 ris.remove(i); 10997 } 10998 } 10999 intent.addFlags(Intent.FLAG_RECEIVER_BOOT_UPGRADE); 11000 11001 // For User 0, load the version number. When delivering to a new user, deliver 11002 // to all receivers. 11003 if (userId == UserHandle.USER_OWNER) { 11004 ArrayList<ComponentName> lastDoneReceivers = readLastDonePreBootReceivers(); 11005 for (int i=0; i<ris.size(); i++) { 11006 ActivityInfo ai = ris.get(i).activityInfo; 11007 ComponentName comp = new ComponentName(ai.packageName, ai.name); 11008 if (lastDoneReceivers.contains(comp)) { 11009 // We already did the pre boot receiver for this app with the current 11010 // platform version, so don't do it again... 11011 ris.remove(i); 11012 i--; 11013 // ...however, do keep it as one that has been done, so we don't 11014 // forget about it when rewriting the file of last done receivers. 11015 doneReceivers.add(comp); 11016 } 11017 } 11018 } 11019 11020 // If primary user, send broadcast to all available users, else just to userId 11021 final int[] users = userId == UserHandle.USER_OWNER ? getUsersLocked() 11022 : new int[] { userId }; 11023 for (int i = 0; i < ris.size(); i++) { 11024 ActivityInfo ai = ris.get(i).activityInfo; 11025 ComponentName comp = new ComponentName(ai.packageName, ai.name); 11026 doneReceivers.add(comp); 11027 intent.setComponent(comp); 11028 for (int j=0; j<users.length; j++) { 11029 IIntentReceiver finisher = null; 11030 // On last receiver and user, set up a completion callback 11031 if (i == ris.size() - 1 && j == users.length - 1 && onFinishCallback != null) { 11032 finisher = new IIntentReceiver.Stub() { 11033 public void performReceive(Intent intent, int resultCode, 11034 String data, Bundle extras, boolean ordered, 11035 boolean sticky, int sendingUser) { 11036 // The raw IIntentReceiver interface is called 11037 // with the AM lock held, so redispatch to 11038 // execute our code without the lock. 11039 mHandler.post(onFinishCallback); 11040 } 11041 }; 11042 } 11043 Slog.i(TAG, "Sending system update to " + intent.getComponent() 11044 + " for user " + users[j]); 11045 broadcastIntentLocked(null, null, intent, null, finisher, 11046 0, null, null, null, AppOpsManager.OP_NONE, 11047 true, false, MY_PID, Process.SYSTEM_UID, 11048 users[j]); 11049 if (finisher != null) { 11050 waitingUpdate = true; 11051 } 11052 } 11053 } 11054 } 11055 11056 return waitingUpdate; 11057 } 11058 11059 public void systemReady(final Runnable goingCallback) { 11060 synchronized(this) { 11061 if (mSystemReady) { 11062 // If we're done calling all the receivers, run the next "boot phase" passed in 11063 // by the SystemServer 11064 if (goingCallback != null) { 11065 goingCallback.run(); 11066 } 11067 return; 11068 } 11069 11070 // Make sure we have the current profile info, since it is needed for 11071 // security checks. 11072 updateCurrentProfileIdsLocked(); 11073 11074 if (mRecentTasks == null) { 11075 mRecentTasks = mTaskPersister.restoreTasksLocked(); 11076 if (!mRecentTasks.isEmpty()) { 11077 mStackSupervisor.createStackForRestoredTaskHistory(mRecentTasks); 11078 } 11079 cleanupRecentTasksLocked(UserHandle.USER_ALL); 11080 mTaskPersister.startPersisting(); 11081 } 11082 11083 // Check to see if there are any update receivers to run. 11084 if (!mDidUpdate) { 11085 if (mWaitingUpdate) { 11086 return; 11087 } 11088 final ArrayList<ComponentName> doneReceivers = new ArrayList<ComponentName>(); 11089 mWaitingUpdate = deliverPreBootCompleted(new Runnable() { 11090 public void run() { 11091 synchronized (ActivityManagerService.this) { 11092 mDidUpdate = true; 11093 } 11094 writeLastDonePreBootReceivers(doneReceivers); 11095 showBootMessage(mContext.getText( 11096 R.string.android_upgrading_complete), 11097 false); 11098 systemReady(goingCallback); 11099 } 11100 }, doneReceivers, UserHandle.USER_OWNER); 11101 11102 if (mWaitingUpdate) { 11103 return; 11104 } 11105 mDidUpdate = true; 11106 } 11107 11108 mAppOpsService.systemReady(); 11109 mSystemReady = true; 11110 } 11111 11112 ArrayList<ProcessRecord> procsToKill = null; 11113 synchronized(mPidsSelfLocked) { 11114 for (int i=mPidsSelfLocked.size()-1; i>=0; i--) { 11115 ProcessRecord proc = mPidsSelfLocked.valueAt(i); 11116 if (!isAllowedWhileBooting(proc.info)){ 11117 if (procsToKill == null) { 11118 procsToKill = new ArrayList<ProcessRecord>(); 11119 } 11120 procsToKill.add(proc); 11121 } 11122 } 11123 } 11124 11125 synchronized(this) { 11126 if (procsToKill != null) { 11127 for (int i=procsToKill.size()-1; i>=0; i--) { 11128 ProcessRecord proc = procsToKill.get(i); 11129 Slog.i(TAG, "Removing system update proc: " + proc); 11130 removeProcessLocked(proc, true, false, "system update done"); 11131 } 11132 } 11133 11134 // Now that we have cleaned up any update processes, we 11135 // are ready to start launching real processes and know that 11136 // we won't trample on them any more. 11137 mProcessesReady = true; 11138 } 11139 11140 Slog.i(TAG, "System now ready"); 11141 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_AMS_READY, 11142 SystemClock.uptimeMillis()); 11143 11144 synchronized(this) { 11145 // Make sure we have no pre-ready processes sitting around. 11146 11147 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL) { 11148 ResolveInfo ri = mContext.getPackageManager() 11149 .resolveActivity(new Intent(Intent.ACTION_FACTORY_TEST), 11150 STOCK_PM_FLAGS); 11151 CharSequence errorMsg = null; 11152 if (ri != null) { 11153 ActivityInfo ai = ri.activityInfo; 11154 ApplicationInfo app = ai.applicationInfo; 11155 if ((app.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11156 mTopAction = Intent.ACTION_FACTORY_TEST; 11157 mTopData = null; 11158 mTopComponent = new ComponentName(app.packageName, 11159 ai.name); 11160 } else { 11161 errorMsg = mContext.getResources().getText( 11162 com.android.internal.R.string.factorytest_not_system); 11163 } 11164 } else { 11165 errorMsg = mContext.getResources().getText( 11166 com.android.internal.R.string.factorytest_no_action); 11167 } 11168 if (errorMsg != null) { 11169 mTopAction = null; 11170 mTopData = null; 11171 mTopComponent = null; 11172 Message msg = Message.obtain(); 11173 msg.what = SHOW_FACTORY_ERROR_MSG; 11174 msg.getData().putCharSequence("msg", errorMsg); 11175 mHandler.sendMessage(msg); 11176 } 11177 } 11178 } 11179 11180 retrieveSettings(); 11181 loadResourcesOnSystemReady(); 11182 11183 synchronized (this) { 11184 readGrantedUriPermissionsLocked(); 11185 } 11186 11187 if (goingCallback != null) goingCallback.run(); 11188 11189 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START, 11190 Integer.toString(mCurrentUserId), mCurrentUserId); 11191 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START, 11192 Integer.toString(mCurrentUserId), mCurrentUserId); 11193 mSystemServiceManager.startUser(mCurrentUserId); 11194 11195 synchronized (this) { 11196 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 11197 try { 11198 List apps = AppGlobals.getPackageManager(). 11199 getPersistentApplications(STOCK_PM_FLAGS); 11200 if (apps != null) { 11201 int N = apps.size(); 11202 int i; 11203 for (i=0; i<N; i++) { 11204 ApplicationInfo info 11205 = (ApplicationInfo)apps.get(i); 11206 if (info != null && 11207 !info.packageName.equals("android")) { 11208 addAppLocked(info, false, null /* ABI override */); 11209 } 11210 } 11211 } 11212 } catch (RemoteException ex) { 11213 // pm is in same process, this will never happen. 11214 } 11215 } 11216 11217 // Start up initial activity. 11218 mBooting = true; 11219 11220 try { 11221 if (AppGlobals.getPackageManager().hasSystemUidErrors()) { 11222 Message msg = Message.obtain(); 11223 msg.what = SHOW_UID_ERROR_MSG; 11224 mHandler.sendMessage(msg); 11225 } 11226 } catch (RemoteException e) { 11227 } 11228 11229 long ident = Binder.clearCallingIdentity(); 11230 try { 11231 Intent intent = new Intent(Intent.ACTION_USER_STARTED); 11232 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 11233 | Intent.FLAG_RECEIVER_FOREGROUND); 11234 intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); 11235 broadcastIntentLocked(null, null, intent, 11236 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 11237 false, false, MY_PID, Process.SYSTEM_UID, mCurrentUserId); 11238 intent = new Intent(Intent.ACTION_USER_STARTING); 11239 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 11240 intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); 11241 broadcastIntentLocked(null, null, intent, 11242 null, new IIntentReceiver.Stub() { 11243 @Override 11244 public void performReceive(Intent intent, int resultCode, String data, 11245 Bundle extras, boolean ordered, boolean sticky, int sendingUser) 11246 throws RemoteException { 11247 } 11248 }, 0, null, null, 11249 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 11250 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 11251 } catch (Throwable t) { 11252 Slog.wtf(TAG, "Failed sending first user broadcasts", t); 11253 } finally { 11254 Binder.restoreCallingIdentity(ident); 11255 } 11256 mStackSupervisor.resumeTopActivitiesLocked(); 11257 sendUserSwitchBroadcastsLocked(-1, mCurrentUserId); 11258 } 11259 } 11260 11261 private boolean makeAppCrashingLocked(ProcessRecord app, 11262 String shortMsg, String longMsg, String stackTrace) { 11263 app.crashing = true; 11264 app.crashingReport = generateProcessError(app, 11265 ActivityManager.ProcessErrorStateInfo.CRASHED, null, shortMsg, longMsg, stackTrace); 11266 startAppProblemLocked(app); 11267 app.stopFreezingAllLocked(); 11268 return handleAppCrashLocked(app, shortMsg, longMsg, stackTrace); 11269 } 11270 11271 private void makeAppNotRespondingLocked(ProcessRecord app, 11272 String activity, String shortMsg, String longMsg) { 11273 app.notResponding = true; 11274 app.notRespondingReport = generateProcessError(app, 11275 ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING, 11276 activity, shortMsg, longMsg, null); 11277 startAppProblemLocked(app); 11278 app.stopFreezingAllLocked(); 11279 } 11280 11281 /** 11282 * Generate a process error record, suitable for attachment to a ProcessRecord. 11283 * 11284 * @param app The ProcessRecord in which the error occurred. 11285 * @param condition Crashing, Application Not Responding, etc. Values are defined in 11286 * ActivityManager.AppErrorStateInfo 11287 * @param activity The activity associated with the crash, if known. 11288 * @param shortMsg Short message describing the crash. 11289 * @param longMsg Long message describing the crash. 11290 * @param stackTrace Full crash stack trace, may be null. 11291 * 11292 * @return Returns a fully-formed AppErrorStateInfo record. 11293 */ 11294 private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app, 11295 int condition, String activity, String shortMsg, String longMsg, String stackTrace) { 11296 ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo(); 11297 11298 report.condition = condition; 11299 report.processName = app.processName; 11300 report.pid = app.pid; 11301 report.uid = app.info.uid; 11302 report.tag = activity; 11303 report.shortMsg = shortMsg; 11304 report.longMsg = longMsg; 11305 report.stackTrace = stackTrace; 11306 11307 return report; 11308 } 11309 11310 void killAppAtUsersRequest(ProcessRecord app, Dialog fromDialog) { 11311 synchronized (this) { 11312 app.crashing = false; 11313 app.crashingReport = null; 11314 app.notResponding = false; 11315 app.notRespondingReport = null; 11316 if (app.anrDialog == fromDialog) { 11317 app.anrDialog = null; 11318 } 11319 if (app.waitDialog == fromDialog) { 11320 app.waitDialog = null; 11321 } 11322 if (app.pid > 0 && app.pid != MY_PID) { 11323 handleAppCrashLocked(app, null, null, null); 11324 app.kill("user request after error", true); 11325 } 11326 } 11327 } 11328 11329 private boolean handleAppCrashLocked(ProcessRecord app, String shortMsg, String longMsg, 11330 String stackTrace) { 11331 long now = SystemClock.uptimeMillis(); 11332 11333 Long crashTime; 11334 if (!app.isolated) { 11335 crashTime = mProcessCrashTimes.get(app.info.processName, app.uid); 11336 } else { 11337 crashTime = null; 11338 } 11339 if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) { 11340 // This process loses! 11341 Slog.w(TAG, "Process " + app.info.processName 11342 + " has crashed too many times: killing!"); 11343 EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH, 11344 app.userId, app.info.processName, app.uid); 11345 mStackSupervisor.handleAppCrashLocked(app); 11346 if (!app.persistent) { 11347 // We don't want to start this process again until the user 11348 // explicitly does so... but for persistent process, we really 11349 // need to keep it running. If a persistent process is actually 11350 // repeatedly crashing, then badness for everyone. 11351 EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid, 11352 app.info.processName); 11353 if (!app.isolated) { 11354 // XXX We don't have a way to mark isolated processes 11355 // as bad, since they don't have a peristent identity. 11356 mBadProcesses.put(app.info.processName, app.uid, 11357 new BadProcessInfo(now, shortMsg, longMsg, stackTrace)); 11358 mProcessCrashTimes.remove(app.info.processName, app.uid); 11359 } 11360 app.bad = true; 11361 app.removed = true; 11362 // Don't let services in this process be restarted and potentially 11363 // annoy the user repeatedly. Unless it is persistent, since those 11364 // processes run critical code. 11365 removeProcessLocked(app, false, false, "crash"); 11366 mStackSupervisor.resumeTopActivitiesLocked(); 11367 return false; 11368 } 11369 mStackSupervisor.resumeTopActivitiesLocked(); 11370 } else { 11371 mStackSupervisor.finishTopRunningActivityLocked(app); 11372 } 11373 11374 // Bump up the crash count of any services currently running in the proc. 11375 for (int i=app.services.size()-1; i>=0; i--) { 11376 // Any services running in the application need to be placed 11377 // back in the pending list. 11378 ServiceRecord sr = app.services.valueAt(i); 11379 sr.crashCount++; 11380 } 11381 11382 // If the crashing process is what we consider to be the "home process" and it has been 11383 // replaced by a third-party app, clear the package preferred activities from packages 11384 // with a home activity running in the process to prevent a repeatedly crashing app 11385 // from blocking the user to manually clear the list. 11386 final ArrayList<ActivityRecord> activities = app.activities; 11387 if (app == mHomeProcess && activities.size() > 0 11388 && (mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { 11389 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 11390 final ActivityRecord r = activities.get(activityNdx); 11391 if (r.isHomeActivity()) { 11392 Log.i(TAG, "Clearing package preferred activities from " + r.packageName); 11393 try { 11394 ActivityThread.getPackageManager() 11395 .clearPackagePreferredActivities(r.packageName); 11396 } catch (RemoteException c) { 11397 // pm is in same process, this will never happen. 11398 } 11399 } 11400 } 11401 } 11402 11403 if (!app.isolated) { 11404 // XXX Can't keep track of crash times for isolated processes, 11405 // because they don't have a perisistent identity. 11406 mProcessCrashTimes.put(app.info.processName, app.uid, now); 11407 } 11408 11409 if (app.crashHandler != null) mHandler.post(app.crashHandler); 11410 return true; 11411 } 11412 11413 void startAppProblemLocked(ProcessRecord app) { 11414 // If this app is not running under the current user, then we 11415 // can't give it a report button because that would require 11416 // launching the report UI under a different user. 11417 app.errorReportReceiver = null; 11418 11419 for (int userId : mCurrentProfileIds) { 11420 if (app.userId == userId) { 11421 app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver( 11422 mContext, app.info.packageName, app.info.flags); 11423 } 11424 } 11425 skipCurrentReceiverLocked(app); 11426 } 11427 11428 void skipCurrentReceiverLocked(ProcessRecord app) { 11429 for (BroadcastQueue queue : mBroadcastQueues) { 11430 queue.skipCurrentReceiverLocked(app); 11431 } 11432 } 11433 11434 /** 11435 * Used by {@link com.android.internal.os.RuntimeInit} to report when an application crashes. 11436 * The application process will exit immediately after this call returns. 11437 * @param app object of the crashing app, null for the system server 11438 * @param crashInfo describing the exception 11439 */ 11440 public void handleApplicationCrash(IBinder app, ApplicationErrorReport.CrashInfo crashInfo) { 11441 ProcessRecord r = findAppProcess(app, "Crash"); 11442 final String processName = app == null ? "system_server" 11443 : (r == null ? "unknown" : r.processName); 11444 11445 handleApplicationCrashInner("crash", r, processName, crashInfo); 11446 } 11447 11448 /* Native crash reporting uses this inner version because it needs to be somewhat 11449 * decoupled from the AM-managed cleanup lifecycle 11450 */ 11451 void handleApplicationCrashInner(String eventType, ProcessRecord r, String processName, 11452 ApplicationErrorReport.CrashInfo crashInfo) { 11453 EventLog.writeEvent(EventLogTags.AM_CRASH, Binder.getCallingPid(), 11454 UserHandle.getUserId(Binder.getCallingUid()), processName, 11455 r == null ? -1 : r.info.flags, 11456 crashInfo.exceptionClassName, 11457 crashInfo.exceptionMessage, 11458 crashInfo.throwFileName, 11459 crashInfo.throwLineNumber); 11460 11461 addErrorToDropBox(eventType, r, processName, null, null, null, null, null, crashInfo); 11462 11463 crashApplication(r, crashInfo); 11464 } 11465 11466 public void handleApplicationStrictModeViolation( 11467 IBinder app, 11468 int violationMask, 11469 StrictMode.ViolationInfo info) { 11470 ProcessRecord r = findAppProcess(app, "StrictMode"); 11471 if (r == null) { 11472 return; 11473 } 11474 11475 if ((violationMask & StrictMode.PENALTY_DROPBOX) != 0) { 11476 Integer stackFingerprint = info.hashCode(); 11477 boolean logIt = true; 11478 synchronized (mAlreadyLoggedViolatedStacks) { 11479 if (mAlreadyLoggedViolatedStacks.contains(stackFingerprint)) { 11480 logIt = false; 11481 // TODO: sub-sample into EventLog for these, with 11482 // the info.durationMillis? Then we'd get 11483 // the relative pain numbers, without logging all 11484 // the stack traces repeatedly. We'd want to do 11485 // likewise in the client code, which also does 11486 // dup suppression, before the Binder call. 11487 } else { 11488 if (mAlreadyLoggedViolatedStacks.size() >= MAX_DUP_SUPPRESSED_STACKS) { 11489 mAlreadyLoggedViolatedStacks.clear(); 11490 } 11491 mAlreadyLoggedViolatedStacks.add(stackFingerprint); 11492 } 11493 } 11494 if (logIt) { 11495 logStrictModeViolationToDropBox(r, info); 11496 } 11497 } 11498 11499 if ((violationMask & StrictMode.PENALTY_DIALOG) != 0) { 11500 AppErrorResult result = new AppErrorResult(); 11501 synchronized (this) { 11502 final long origId = Binder.clearCallingIdentity(); 11503 11504 Message msg = Message.obtain(); 11505 msg.what = SHOW_STRICT_MODE_VIOLATION_MSG; 11506 HashMap<String, Object> data = new HashMap<String, Object>(); 11507 data.put("result", result); 11508 data.put("app", r); 11509 data.put("violationMask", violationMask); 11510 data.put("info", info); 11511 msg.obj = data; 11512 mHandler.sendMessage(msg); 11513 11514 Binder.restoreCallingIdentity(origId); 11515 } 11516 int res = result.get(); 11517 Slog.w(TAG, "handleApplicationStrictModeViolation; res=" + res); 11518 } 11519 } 11520 11521 // Depending on the policy in effect, there could be a bunch of 11522 // these in quick succession so we try to batch these together to 11523 // minimize disk writes, number of dropbox entries, and maximize 11524 // compression, by having more fewer, larger records. 11525 private void logStrictModeViolationToDropBox( 11526 ProcessRecord process, 11527 StrictMode.ViolationInfo info) { 11528 if (info == null) { 11529 return; 11530 } 11531 final boolean isSystemApp = process == null || 11532 (process.info.flags & (ApplicationInfo.FLAG_SYSTEM | 11533 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0; 11534 final String processName = process == null ? "unknown" : process.processName; 11535 final String dropboxTag = isSystemApp ? "system_app_strictmode" : "data_app_strictmode"; 11536 final DropBoxManager dbox = (DropBoxManager) 11537 mContext.getSystemService(Context.DROPBOX_SERVICE); 11538 11539 // Exit early if the dropbox isn't configured to accept this report type. 11540 if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; 11541 11542 boolean bufferWasEmpty; 11543 boolean needsFlush; 11544 final StringBuilder sb = isSystemApp ? mStrictModeBuffer : new StringBuilder(1024); 11545 synchronized (sb) { 11546 bufferWasEmpty = sb.length() == 0; 11547 appendDropBoxProcessHeaders(process, processName, sb); 11548 sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); 11549 sb.append("System-App: ").append(isSystemApp).append("\n"); 11550 sb.append("Uptime-Millis: ").append(info.violationUptimeMillis).append("\n"); 11551 if (info.violationNumThisLoop != 0) { 11552 sb.append("Loop-Violation-Number: ").append(info.violationNumThisLoop).append("\n"); 11553 } 11554 if (info.numAnimationsRunning != 0) { 11555 sb.append("Animations-Running: ").append(info.numAnimationsRunning).append("\n"); 11556 } 11557 if (info.broadcastIntentAction != null) { 11558 sb.append("Broadcast-Intent-Action: ").append(info.broadcastIntentAction).append("\n"); 11559 } 11560 if (info.durationMillis != -1) { 11561 sb.append("Duration-Millis: ").append(info.durationMillis).append("\n"); 11562 } 11563 if (info.numInstances != -1) { 11564 sb.append("Instance-Count: ").append(info.numInstances).append("\n"); 11565 } 11566 if (info.tags != null) { 11567 for (String tag : info.tags) { 11568 sb.append("Span-Tag: ").append(tag).append("\n"); 11569 } 11570 } 11571 sb.append("\n"); 11572 if (info.crashInfo != null && info.crashInfo.stackTrace != null) { 11573 sb.append(info.crashInfo.stackTrace); 11574 } 11575 sb.append("\n"); 11576 11577 // Only buffer up to ~64k. Various logging bits truncate 11578 // things at 128k. 11579 needsFlush = (sb.length() > 64 * 1024); 11580 } 11581 11582 // Flush immediately if the buffer's grown too large, or this 11583 // is a non-system app. Non-system apps are isolated with a 11584 // different tag & policy and not batched. 11585 // 11586 // Batching is useful during internal testing with 11587 // StrictMode settings turned up high. Without batching, 11588 // thousands of separate files could be created on boot. 11589 if (!isSystemApp || needsFlush) { 11590 new Thread("Error dump: " + dropboxTag) { 11591 @Override 11592 public void run() { 11593 String report; 11594 synchronized (sb) { 11595 report = sb.toString(); 11596 sb.delete(0, sb.length()); 11597 sb.trimToSize(); 11598 } 11599 if (report.length() != 0) { 11600 dbox.addText(dropboxTag, report); 11601 } 11602 } 11603 }.start(); 11604 return; 11605 } 11606 11607 // System app batching: 11608 if (!bufferWasEmpty) { 11609 // An existing dropbox-writing thread is outstanding, so 11610 // we don't need to start it up. The existing thread will 11611 // catch the buffer appends we just did. 11612 return; 11613 } 11614 11615 // Worker thread to both batch writes and to avoid blocking the caller on I/O. 11616 // (After this point, we shouldn't access AMS internal data structures.) 11617 new Thread("Error dump: " + dropboxTag) { 11618 @Override 11619 public void run() { 11620 // 5 second sleep to let stacks arrive and be batched together 11621 try { 11622 Thread.sleep(5000); // 5 seconds 11623 } catch (InterruptedException e) {} 11624 11625 String errorReport; 11626 synchronized (mStrictModeBuffer) { 11627 errorReport = mStrictModeBuffer.toString(); 11628 if (errorReport.length() == 0) { 11629 return; 11630 } 11631 mStrictModeBuffer.delete(0, mStrictModeBuffer.length()); 11632 mStrictModeBuffer.trimToSize(); 11633 } 11634 dbox.addText(dropboxTag, errorReport); 11635 } 11636 }.start(); 11637 } 11638 11639 /** 11640 * Used by {@link Log} via {@link com.android.internal.os.RuntimeInit} to report serious errors. 11641 * @param app object of the crashing app, null for the system server 11642 * @param tag reported by the caller 11643 * @param system whether this wtf is coming from the system 11644 * @param crashInfo describing the context of the error 11645 * @return true if the process should exit immediately (WTF is fatal) 11646 */ 11647 public boolean handleApplicationWtf(IBinder app, final String tag, boolean system, 11648 final ApplicationErrorReport.CrashInfo crashInfo) { 11649 final ProcessRecord r = findAppProcess(app, "WTF"); 11650 final String processName = app == null ? "system_server" 11651 : (r == null ? "unknown" : r.processName); 11652 11653 EventLog.writeEvent(EventLogTags.AM_WTF, 11654 UserHandle.getUserId(Binder.getCallingUid()), Binder.getCallingPid(), 11655 processName, 11656 r == null ? -1 : r.info.flags, 11657 tag, crashInfo.exceptionMessage); 11658 11659 if (system) { 11660 // If this is coming from the system, we could very well have low-level 11661 // system locks held, so we want to do this all asynchronously. And we 11662 // never want this to become fatal, so there is that too. 11663 mHandler.post(new Runnable() { 11664 @Override public void run() { 11665 addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, 11666 crashInfo); 11667 } 11668 }); 11669 return false; 11670 } 11671 11672 addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, crashInfo); 11673 11674 if (r != null && r.pid != Process.myPid() && 11675 Settings.Global.getInt(mContext.getContentResolver(), 11676 Settings.Global.WTF_IS_FATAL, 0) != 0) { 11677 crashApplication(r, crashInfo); 11678 return true; 11679 } else { 11680 return false; 11681 } 11682 } 11683 11684 /** 11685 * @param app object of some object (as stored in {@link com.android.internal.os.RuntimeInit}) 11686 * @return the corresponding {@link ProcessRecord} object, or null if none could be found 11687 */ 11688 private ProcessRecord findAppProcess(IBinder app, String reason) { 11689 if (app == null) { 11690 return null; 11691 } 11692 11693 synchronized (this) { 11694 final int NP = mProcessNames.getMap().size(); 11695 for (int ip=0; ip<NP; ip++) { 11696 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 11697 final int NA = apps.size(); 11698 for (int ia=0; ia<NA; ia++) { 11699 ProcessRecord p = apps.valueAt(ia); 11700 if (p.thread != null && p.thread.asBinder() == app) { 11701 return p; 11702 } 11703 } 11704 } 11705 11706 Slog.w(TAG, "Can't find mystery application for " + reason 11707 + " from pid=" + Binder.getCallingPid() 11708 + " uid=" + Binder.getCallingUid() + ": " + app); 11709 return null; 11710 } 11711 } 11712 11713 /** 11714 * Utility function for addErrorToDropBox and handleStrictModeViolation's logging 11715 * to append various headers to the dropbox log text. 11716 */ 11717 private void appendDropBoxProcessHeaders(ProcessRecord process, String processName, 11718 StringBuilder sb) { 11719 // Watchdog thread ends up invoking this function (with 11720 // a null ProcessRecord) to add the stack file to dropbox. 11721 // Do not acquire a lock on this (am) in such cases, as it 11722 // could cause a potential deadlock, if and when watchdog 11723 // is invoked due to unavailability of lock on am and it 11724 // would prevent watchdog from killing system_server. 11725 if (process == null) { 11726 sb.append("Process: ").append(processName).append("\n"); 11727 return; 11728 } 11729 // Note: ProcessRecord 'process' is guarded by the service 11730 // instance. (notably process.pkgList, which could otherwise change 11731 // concurrently during execution of this method) 11732 synchronized (this) { 11733 sb.append("Process: ").append(processName).append("\n"); 11734 int flags = process.info.flags; 11735 IPackageManager pm = AppGlobals.getPackageManager(); 11736 sb.append("Flags: 0x").append(Integer.toString(flags, 16)).append("\n"); 11737 for (int ip=0; ip<process.pkgList.size(); ip++) { 11738 String pkg = process.pkgList.keyAt(ip); 11739 sb.append("Package: ").append(pkg); 11740 try { 11741 PackageInfo pi = pm.getPackageInfo(pkg, 0, UserHandle.getCallingUserId()); 11742 if (pi != null) { 11743 sb.append(" v").append(pi.versionCode); 11744 if (pi.versionName != null) { 11745 sb.append(" (").append(pi.versionName).append(")"); 11746 } 11747 } 11748 } catch (RemoteException e) { 11749 Slog.e(TAG, "Error getting package info: " + pkg, e); 11750 } 11751 sb.append("\n"); 11752 } 11753 } 11754 } 11755 11756 private static String processClass(ProcessRecord process) { 11757 if (process == null || process.pid == MY_PID) { 11758 return "system_server"; 11759 } else if ((process.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11760 return "system_app"; 11761 } else { 11762 return "data_app"; 11763 } 11764 } 11765 11766 /** 11767 * Write a description of an error (crash, WTF, ANR) to the drop box. 11768 * @param eventType to include in the drop box tag ("crash", "wtf", etc.) 11769 * @param process which caused the error, null means the system server 11770 * @param activity which triggered the error, null if unknown 11771 * @param parent activity related to the error, null if unknown 11772 * @param subject line related to the error, null if absent 11773 * @param report in long form describing the error, null if absent 11774 * @param logFile to include in the report, null if none 11775 * @param crashInfo giving an application stack trace, null if absent 11776 */ 11777 public void addErrorToDropBox(String eventType, 11778 ProcessRecord process, String processName, ActivityRecord activity, 11779 ActivityRecord parent, String subject, 11780 final String report, final File logFile, 11781 final ApplicationErrorReport.CrashInfo crashInfo) { 11782 // NOTE -- this must never acquire the ActivityManagerService lock, 11783 // otherwise the watchdog may be prevented from resetting the system. 11784 11785 final String dropboxTag = processClass(process) + "_" + eventType; 11786 final DropBoxManager dbox = (DropBoxManager) 11787 mContext.getSystemService(Context.DROPBOX_SERVICE); 11788 11789 // Exit early if the dropbox isn't configured to accept this report type. 11790 if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; 11791 11792 final StringBuilder sb = new StringBuilder(1024); 11793 appendDropBoxProcessHeaders(process, processName, sb); 11794 if (activity != null) { 11795 sb.append("Activity: ").append(activity.shortComponentName).append("\n"); 11796 } 11797 if (parent != null && parent.app != null && parent.app.pid != process.pid) { 11798 sb.append("Parent-Process: ").append(parent.app.processName).append("\n"); 11799 } 11800 if (parent != null && parent != activity) { 11801 sb.append("Parent-Activity: ").append(parent.shortComponentName).append("\n"); 11802 } 11803 if (subject != null) { 11804 sb.append("Subject: ").append(subject).append("\n"); 11805 } 11806 sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); 11807 if (Debug.isDebuggerConnected()) { 11808 sb.append("Debugger: Connected\n"); 11809 } 11810 sb.append("\n"); 11811 11812 // Do the rest in a worker thread to avoid blocking the caller on I/O 11813 // (After this point, we shouldn't access AMS internal data structures.) 11814 Thread worker = new Thread("Error dump: " + dropboxTag) { 11815 @Override 11816 public void run() { 11817 if (report != null) { 11818 sb.append(report); 11819 } 11820 if (logFile != null) { 11821 try { 11822 sb.append(FileUtils.readTextFile(logFile, DROPBOX_MAX_SIZE, 11823 "\n\n[[TRUNCATED]]")); 11824 } catch (IOException e) { 11825 Slog.e(TAG, "Error reading " + logFile, e); 11826 } 11827 } 11828 if (crashInfo != null && crashInfo.stackTrace != null) { 11829 sb.append(crashInfo.stackTrace); 11830 } 11831 11832 String setting = Settings.Global.ERROR_LOGCAT_PREFIX + dropboxTag; 11833 int lines = Settings.Global.getInt(mContext.getContentResolver(), setting, 0); 11834 if (lines > 0) { 11835 sb.append("\n"); 11836 11837 // Merge several logcat streams, and take the last N lines 11838 InputStreamReader input = null; 11839 try { 11840 java.lang.Process logcat = new ProcessBuilder("/system/bin/logcat", 11841 "-v", "time", "-b", "events", "-b", "system", "-b", "main", 11842 "-b", "crash", 11843 "-t", String.valueOf(lines)).redirectErrorStream(true).start(); 11844 11845 try { logcat.getOutputStream().close(); } catch (IOException e) {} 11846 try { logcat.getErrorStream().close(); } catch (IOException e) {} 11847 input = new InputStreamReader(logcat.getInputStream()); 11848 11849 int num; 11850 char[] buf = new char[8192]; 11851 while ((num = input.read(buf)) > 0) sb.append(buf, 0, num); 11852 } catch (IOException e) { 11853 Slog.e(TAG, "Error running logcat", e); 11854 } finally { 11855 if (input != null) try { input.close(); } catch (IOException e) {} 11856 } 11857 } 11858 11859 dbox.addText(dropboxTag, sb.toString()); 11860 } 11861 }; 11862 11863 if (process == null) { 11864 // If process is null, we are being called from some internal code 11865 // and may be about to die -- run this synchronously. 11866 worker.run(); 11867 } else { 11868 worker.start(); 11869 } 11870 } 11871 11872 /** 11873 * Bring up the "unexpected error" dialog box for a crashing app. 11874 * Deal with edge cases (intercepts from instrumented applications, 11875 * ActivityController, error intent receivers, that sort of thing). 11876 * @param r the application crashing 11877 * @param crashInfo describing the failure 11878 */ 11879 private void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) { 11880 long timeMillis = System.currentTimeMillis(); 11881 String shortMsg = crashInfo.exceptionClassName; 11882 String longMsg = crashInfo.exceptionMessage; 11883 String stackTrace = crashInfo.stackTrace; 11884 if (shortMsg != null && longMsg != null) { 11885 longMsg = shortMsg + ": " + longMsg; 11886 } else if (shortMsg != null) { 11887 longMsg = shortMsg; 11888 } 11889 11890 AppErrorResult result = new AppErrorResult(); 11891 synchronized (this) { 11892 if (mController != null) { 11893 try { 11894 String name = r != null ? r.processName : null; 11895 int pid = r != null ? r.pid : Binder.getCallingPid(); 11896 int uid = r != null ? r.info.uid : Binder.getCallingUid(); 11897 if (!mController.appCrashed(name, pid, 11898 shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) { 11899 if ("1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")) 11900 && "Native crash".equals(crashInfo.exceptionClassName)) { 11901 Slog.w(TAG, "Skip killing native crashed app " + name 11902 + "(" + pid + ") during testing"); 11903 } else { 11904 Slog.w(TAG, "Force-killing crashed app " + name 11905 + " at watcher's request"); 11906 if (r != null) { 11907 r.kill("crash", true); 11908 } else { 11909 // Huh. 11910 Process.killProcess(pid); 11911 Process.killProcessGroup(uid, pid); 11912 } 11913 } 11914 return; 11915 } 11916 } catch (RemoteException e) { 11917 mController = null; 11918 Watchdog.getInstance().setActivityController(null); 11919 } 11920 } 11921 11922 final long origId = Binder.clearCallingIdentity(); 11923 11924 // If this process is running instrumentation, finish it. 11925 if (r != null && r.instrumentationClass != null) { 11926 Slog.w(TAG, "Error in app " + r.processName 11927 + " running instrumentation " + r.instrumentationClass + ":"); 11928 if (shortMsg != null) Slog.w(TAG, " " + shortMsg); 11929 if (longMsg != null) Slog.w(TAG, " " + longMsg); 11930 Bundle info = new Bundle(); 11931 info.putString("shortMsg", shortMsg); 11932 info.putString("longMsg", longMsg); 11933 finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info); 11934 Binder.restoreCallingIdentity(origId); 11935 return; 11936 } 11937 11938 // If we can't identify the process or it's already exceeded its crash quota, 11939 // quit right away without showing a crash dialog. 11940 if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace)) { 11941 Binder.restoreCallingIdentity(origId); 11942 return; 11943 } 11944 11945 Message msg = Message.obtain(); 11946 msg.what = SHOW_ERROR_MSG; 11947 HashMap data = new HashMap(); 11948 data.put("result", result); 11949 data.put("app", r); 11950 msg.obj = data; 11951 mHandler.sendMessage(msg); 11952 11953 Binder.restoreCallingIdentity(origId); 11954 } 11955 11956 int res = result.get(); 11957 11958 Intent appErrorIntent = null; 11959 synchronized (this) { 11960 if (r != null && !r.isolated) { 11961 // XXX Can't keep track of crash time for isolated processes, 11962 // since they don't have a persistent identity. 11963 mProcessCrashTimes.put(r.info.processName, r.uid, 11964 SystemClock.uptimeMillis()); 11965 } 11966 if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) { 11967 appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo); 11968 } 11969 } 11970 11971 if (appErrorIntent != null) { 11972 try { 11973 mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId)); 11974 } catch (ActivityNotFoundException e) { 11975 Slog.w(TAG, "bug report receiver dissappeared", e); 11976 } 11977 } 11978 } 11979 11980 Intent createAppErrorIntentLocked(ProcessRecord r, 11981 long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { 11982 ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo); 11983 if (report == null) { 11984 return null; 11985 } 11986 Intent result = new Intent(Intent.ACTION_APP_ERROR); 11987 result.setComponent(r.errorReportReceiver); 11988 result.putExtra(Intent.EXTRA_BUG_REPORT, report); 11989 result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 11990 return result; 11991 } 11992 11993 private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r, 11994 long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { 11995 if (r.errorReportReceiver == null) { 11996 return null; 11997 } 11998 11999 if (!r.crashing && !r.notResponding && !r.forceCrashReport) { 12000 return null; 12001 } 12002 12003 ApplicationErrorReport report = new ApplicationErrorReport(); 12004 report.packageName = r.info.packageName; 12005 report.installerPackageName = r.errorReportReceiver.getPackageName(); 12006 report.processName = r.processName; 12007 report.time = timeMillis; 12008 report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12009 12010 if (r.crashing || r.forceCrashReport) { 12011 report.type = ApplicationErrorReport.TYPE_CRASH; 12012 report.crashInfo = crashInfo; 12013 } else if (r.notResponding) { 12014 report.type = ApplicationErrorReport.TYPE_ANR; 12015 report.anrInfo = new ApplicationErrorReport.AnrInfo(); 12016 12017 report.anrInfo.activity = r.notRespondingReport.tag; 12018 report.anrInfo.cause = r.notRespondingReport.shortMsg; 12019 report.anrInfo.info = r.notRespondingReport.longMsg; 12020 } 12021 12022 return report; 12023 } 12024 12025 public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState() { 12026 enforceNotIsolatedCaller("getProcessesInErrorState"); 12027 // assume our apps are happy - lazy create the list 12028 List<ActivityManager.ProcessErrorStateInfo> errList = null; 12029 12030 final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, 12031 Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; 12032 int userId = UserHandle.getUserId(Binder.getCallingUid()); 12033 12034 synchronized (this) { 12035 12036 // iterate across all processes 12037 for (int i=mLruProcesses.size()-1; i>=0; i--) { 12038 ProcessRecord app = mLruProcesses.get(i); 12039 if (!allUsers && app.userId != userId) { 12040 continue; 12041 } 12042 if ((app.thread != null) && (app.crashing || app.notResponding)) { 12043 // This one's in trouble, so we'll generate a report for it 12044 // crashes are higher priority (in case there's a crash *and* an anr) 12045 ActivityManager.ProcessErrorStateInfo report = null; 12046 if (app.crashing) { 12047 report = app.crashingReport; 12048 } else if (app.notResponding) { 12049 report = app.notRespondingReport; 12050 } 12051 12052 if (report != null) { 12053 if (errList == null) { 12054 errList = new ArrayList<ActivityManager.ProcessErrorStateInfo>(1); 12055 } 12056 errList.add(report); 12057 } else { 12058 Slog.w(TAG, "Missing app error report, app = " + app.processName + 12059 " crashing = " + app.crashing + 12060 " notResponding = " + app.notResponding); 12061 } 12062 } 12063 } 12064 } 12065 12066 return errList; 12067 } 12068 12069 static int procStateToImportance(int procState, int memAdj, 12070 ActivityManager.RunningAppProcessInfo currApp) { 12071 int imp = ActivityManager.RunningAppProcessInfo.procStateToImportance(procState); 12072 if (imp == ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) { 12073 currApp.lru = memAdj; 12074 } else { 12075 currApp.lru = 0; 12076 } 12077 return imp; 12078 } 12079 12080 private void fillInProcMemInfo(ProcessRecord app, 12081 ActivityManager.RunningAppProcessInfo outInfo) { 12082 outInfo.pid = app.pid; 12083 outInfo.uid = app.info.uid; 12084 if (mHeavyWeightProcess == app) { 12085 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE; 12086 } 12087 if (app.persistent) { 12088 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT; 12089 } 12090 if (app.activities.size() > 0) { 12091 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HAS_ACTIVITIES; 12092 } 12093 outInfo.lastTrimLevel = app.trimMemoryLevel; 12094 int adj = app.curAdj; 12095 int procState = app.curProcState; 12096 outInfo.importance = procStateToImportance(procState, adj, outInfo); 12097 outInfo.importanceReasonCode = app.adjTypeCode; 12098 outInfo.processState = app.curProcState; 12099 } 12100 12101 public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() { 12102 enforceNotIsolatedCaller("getRunningAppProcesses"); 12103 // Lazy instantiation of list 12104 List<ActivityManager.RunningAppProcessInfo> runList = null; 12105 final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, 12106 Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; 12107 int userId = UserHandle.getUserId(Binder.getCallingUid()); 12108 synchronized (this) { 12109 // Iterate across all processes 12110 for (int i=mLruProcesses.size()-1; i>=0; i--) { 12111 ProcessRecord app = mLruProcesses.get(i); 12112 if (!allUsers && app.userId != userId) { 12113 continue; 12114 } 12115 if ((app.thread != null) && (!app.crashing && !app.notResponding)) { 12116 // Generate process state info for running application 12117 ActivityManager.RunningAppProcessInfo currApp = 12118 new ActivityManager.RunningAppProcessInfo(app.processName, 12119 app.pid, app.getPackageList()); 12120 fillInProcMemInfo(app, currApp); 12121 if (app.adjSource instanceof ProcessRecord) { 12122 currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid; 12123 currApp.importanceReasonImportance = 12124 ActivityManager.RunningAppProcessInfo.procStateToImportance( 12125 app.adjSourceProcState); 12126 } else if (app.adjSource instanceof ActivityRecord) { 12127 ActivityRecord r = (ActivityRecord)app.adjSource; 12128 if (r.app != null) currApp.importanceReasonPid = r.app.pid; 12129 } 12130 if (app.adjTarget instanceof ComponentName) { 12131 currApp.importanceReasonComponent = (ComponentName)app.adjTarget; 12132 } 12133 //Slog.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance 12134 // + " lru=" + currApp.lru); 12135 if (runList == null) { 12136 runList = new ArrayList<ActivityManager.RunningAppProcessInfo>(); 12137 } 12138 runList.add(currApp); 12139 } 12140 } 12141 } 12142 return runList; 12143 } 12144 12145 public List<ApplicationInfo> getRunningExternalApplications() { 12146 enforceNotIsolatedCaller("getRunningExternalApplications"); 12147 List<ActivityManager.RunningAppProcessInfo> runningApps = getRunningAppProcesses(); 12148 List<ApplicationInfo> retList = new ArrayList<ApplicationInfo>(); 12149 if (runningApps != null && runningApps.size() > 0) { 12150 Set<String> extList = new HashSet<String>(); 12151 for (ActivityManager.RunningAppProcessInfo app : runningApps) { 12152 if (app.pkgList != null) { 12153 for (String pkg : app.pkgList) { 12154 extList.add(pkg); 12155 } 12156 } 12157 } 12158 IPackageManager pm = AppGlobals.getPackageManager(); 12159 for (String pkg : extList) { 12160 try { 12161 ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserHandle.getCallingUserId()); 12162 if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { 12163 retList.add(info); 12164 } 12165 } catch (RemoteException e) { 12166 } 12167 } 12168 } 12169 return retList; 12170 } 12171 12172 @Override 12173 public void getMyMemoryState(ActivityManager.RunningAppProcessInfo outInfo) { 12174 enforceNotIsolatedCaller("getMyMemoryState"); 12175 synchronized (this) { 12176 ProcessRecord proc; 12177 synchronized (mPidsSelfLocked) { 12178 proc = mPidsSelfLocked.get(Binder.getCallingPid()); 12179 } 12180 fillInProcMemInfo(proc, outInfo); 12181 } 12182 } 12183 12184 @Override 12185 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12186 if (checkCallingPermission(android.Manifest.permission.DUMP) 12187 != PackageManager.PERMISSION_GRANTED) { 12188 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12189 + Binder.getCallingPid() 12190 + ", uid=" + Binder.getCallingUid() 12191 + " without permission " 12192 + android.Manifest.permission.DUMP); 12193 return; 12194 } 12195 12196 boolean dumpAll = false; 12197 boolean dumpClient = false; 12198 String dumpPackage = null; 12199 12200 int opti = 0; 12201 while (opti < args.length) { 12202 String opt = args[opti]; 12203 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12204 break; 12205 } 12206 opti++; 12207 if ("-a".equals(opt)) { 12208 dumpAll = true; 12209 } else if ("-c".equals(opt)) { 12210 dumpClient = true; 12211 } else if ("-h".equals(opt)) { 12212 pw.println("Activity manager dump options:"); 12213 pw.println(" [-a] [-c] [-h] [cmd] ..."); 12214 pw.println(" cmd may be one of:"); 12215 pw.println(" a[ctivities]: activity stack state"); 12216 pw.println(" r[recents]: recent activities state"); 12217 pw.println(" b[roadcasts] [PACKAGE_NAME] [history [-s]]: broadcast state"); 12218 pw.println(" i[ntents] [PACKAGE_NAME]: pending intent state"); 12219 pw.println(" p[rocesses] [PACKAGE_NAME]: process state"); 12220 pw.println(" o[om]: out of memory management"); 12221 pw.println(" prov[iders] [COMP_SPEC ...]: content provider state"); 12222 pw.println(" provider [COMP_SPEC]: provider client-side state"); 12223 pw.println(" s[ervices] [COMP_SPEC ...]: service state"); 12224 pw.println(" service [COMP_SPEC]: service client-side state"); 12225 pw.println(" package [PACKAGE_NAME]: all state related to given package"); 12226 pw.println(" all: dump all activities"); 12227 pw.println(" top: dump the top activity"); 12228 pw.println(" cmd may also be a COMP_SPEC to dump activities."); 12229 pw.println(" COMP_SPEC may be a component name (com.foo/.myApp),"); 12230 pw.println(" a partial substring in a component name, a"); 12231 pw.println(" hex object identifier."); 12232 pw.println(" -a: include all available server state."); 12233 pw.println(" -c: include client state."); 12234 return; 12235 } else { 12236 pw.println("Unknown argument: " + opt + "; use -h for help"); 12237 } 12238 } 12239 12240 long origId = Binder.clearCallingIdentity(); 12241 boolean more = false; 12242 // Is the caller requesting to dump a particular piece of data? 12243 if (opti < args.length) { 12244 String cmd = args[opti]; 12245 opti++; 12246 if ("activities".equals(cmd) || "a".equals(cmd)) { 12247 synchronized (this) { 12248 dumpActivitiesLocked(fd, pw, args, opti, true, dumpClient, null); 12249 } 12250 } else if ("recents".equals(cmd) || "r".equals(cmd)) { 12251 synchronized (this) { 12252 dumpRecentsLocked(fd, pw, args, opti, true, null); 12253 } 12254 } else if ("broadcasts".equals(cmd) || "b".equals(cmd)) { 12255 String[] newArgs; 12256 String name; 12257 if (opti >= args.length) { 12258 name = null; 12259 newArgs = EMPTY_STRING_ARRAY; 12260 } else { 12261 name = args[opti]; 12262 opti++; 12263 newArgs = new String[args.length - opti]; 12264 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12265 args.length - opti); 12266 } 12267 synchronized (this) { 12268 dumpBroadcastsLocked(fd, pw, args, opti, true, name); 12269 } 12270 } else if ("intents".equals(cmd) || "i".equals(cmd)) { 12271 String[] newArgs; 12272 String name; 12273 if (opti >= args.length) { 12274 name = null; 12275 newArgs = EMPTY_STRING_ARRAY; 12276 } else { 12277 name = args[opti]; 12278 opti++; 12279 newArgs = new String[args.length - opti]; 12280 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12281 args.length - opti); 12282 } 12283 synchronized (this) { 12284 dumpPendingIntentsLocked(fd, pw, args, opti, true, name); 12285 } 12286 } else if ("processes".equals(cmd) || "p".equals(cmd)) { 12287 String[] newArgs; 12288 String name; 12289 if (opti >= args.length) { 12290 name = null; 12291 newArgs = EMPTY_STRING_ARRAY; 12292 } else { 12293 name = args[opti]; 12294 opti++; 12295 newArgs = new String[args.length - opti]; 12296 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12297 args.length - opti); 12298 } 12299 synchronized (this) { 12300 dumpProcessesLocked(fd, pw, args, opti, true, name); 12301 } 12302 } else if ("oom".equals(cmd) || "o".equals(cmd)) { 12303 synchronized (this) { 12304 dumpOomLocked(fd, pw, args, opti, true); 12305 } 12306 } else if ("provider".equals(cmd)) { 12307 String[] newArgs; 12308 String name; 12309 if (opti >= args.length) { 12310 name = null; 12311 newArgs = EMPTY_STRING_ARRAY; 12312 } else { 12313 name = args[opti]; 12314 opti++; 12315 newArgs = new String[args.length - opti]; 12316 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, args.length - opti); 12317 } 12318 if (!dumpProvider(fd, pw, name, newArgs, 0, dumpAll)) { 12319 pw.println("No providers match: " + name); 12320 pw.println("Use -h for help."); 12321 } 12322 } else if ("providers".equals(cmd) || "prov".equals(cmd)) { 12323 synchronized (this) { 12324 dumpProvidersLocked(fd, pw, args, opti, true, null); 12325 } 12326 } else if ("service".equals(cmd)) { 12327 String[] newArgs; 12328 String name; 12329 if (opti >= args.length) { 12330 name = null; 12331 newArgs = EMPTY_STRING_ARRAY; 12332 } else { 12333 name = args[opti]; 12334 opti++; 12335 newArgs = new String[args.length - opti]; 12336 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12337 args.length - opti); 12338 } 12339 if (!mServices.dumpService(fd, pw, name, newArgs, 0, dumpAll)) { 12340 pw.println("No services match: " + name); 12341 pw.println("Use -h for help."); 12342 } 12343 } else if ("package".equals(cmd)) { 12344 String[] newArgs; 12345 if (opti >= args.length) { 12346 pw.println("package: no package name specified"); 12347 pw.println("Use -h for help."); 12348 } else { 12349 dumpPackage = args[opti]; 12350 opti++; 12351 newArgs = new String[args.length - opti]; 12352 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12353 args.length - opti); 12354 args = newArgs; 12355 opti = 0; 12356 more = true; 12357 } 12358 } else if ("services".equals(cmd) || "s".equals(cmd)) { 12359 synchronized (this) { 12360 mServices.dumpServicesLocked(fd, pw, args, opti, true, dumpClient, null); 12361 } 12362 } else { 12363 // Dumping a single activity? 12364 if (!dumpActivity(fd, pw, cmd, args, opti, dumpAll)) { 12365 pw.println("Bad activity command, or no activities match: " + cmd); 12366 pw.println("Use -h for help."); 12367 } 12368 } 12369 if (!more) { 12370 Binder.restoreCallingIdentity(origId); 12371 return; 12372 } 12373 } 12374 12375 // No piece of data specified, dump everything. 12376 synchronized (this) { 12377 dumpPendingIntentsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12378 pw.println(); 12379 if (dumpAll) { 12380 pw.println("-------------------------------------------------------------------------------"); 12381 } 12382 dumpBroadcastsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12383 pw.println(); 12384 if (dumpAll) { 12385 pw.println("-------------------------------------------------------------------------------"); 12386 } 12387 dumpProvidersLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12388 pw.println(); 12389 if (dumpAll) { 12390 pw.println("-------------------------------------------------------------------------------"); 12391 } 12392 mServices.dumpServicesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); 12393 pw.println(); 12394 if (dumpAll) { 12395 pw.println("-------------------------------------------------------------------------------"); 12396 } 12397 dumpRecentsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12398 pw.println(); 12399 if (dumpAll) { 12400 pw.println("-------------------------------------------------------------------------------"); 12401 } 12402 dumpActivitiesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); 12403 pw.println(); 12404 if (dumpAll) { 12405 pw.println("-------------------------------------------------------------------------------"); 12406 } 12407 dumpProcessesLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12408 } 12409 Binder.restoreCallingIdentity(origId); 12410 } 12411 12412 void dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12413 int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) { 12414 pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)"); 12415 12416 boolean printedAnything = mStackSupervisor.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, 12417 dumpPackage); 12418 boolean needSep = printedAnything; 12419 12420 boolean printed = ActivityStackSupervisor.printThisActivity(pw, mFocusedActivity, 12421 dumpPackage, needSep, " mFocusedActivity: "); 12422 if (printed) { 12423 printedAnything = true; 12424 needSep = false; 12425 } 12426 12427 if (dumpPackage == null) { 12428 if (needSep) { 12429 pw.println(); 12430 } 12431 needSep = true; 12432 printedAnything = true; 12433 mStackSupervisor.dump(pw, " "); 12434 } 12435 12436 if (!printedAnything) { 12437 pw.println(" (nothing)"); 12438 } 12439 } 12440 12441 void dumpRecentsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12442 int opti, boolean dumpAll, String dumpPackage) { 12443 pw.println("ACTIVITY MANAGER RECENT ACTIVITIES (dumpsys activity recents)"); 12444 12445 boolean printedAnything = false; 12446 12447 if (mRecentTasks.size() > 0) { 12448 boolean printedHeader = false; 12449 12450 final int N = mRecentTasks.size(); 12451 for (int i=0; i<N; i++) { 12452 TaskRecord tr = mRecentTasks.get(i); 12453 if (dumpPackage != null) { 12454 if (tr.realActivity == null || 12455 !dumpPackage.equals(tr.realActivity)) { 12456 continue; 12457 } 12458 } 12459 if (!printedHeader) { 12460 pw.println(" Recent tasks:"); 12461 printedHeader = true; 12462 printedAnything = true; 12463 } 12464 pw.print(" * Recent #"); pw.print(i); pw.print(": "); 12465 pw.println(tr); 12466 if (dumpAll) { 12467 mRecentTasks.get(i).dump(pw, " "); 12468 } 12469 } 12470 } 12471 12472 if (!printedAnything) { 12473 pw.println(" (nothing)"); 12474 } 12475 } 12476 12477 void dumpProcessesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12478 int opti, boolean dumpAll, String dumpPackage) { 12479 boolean needSep = false; 12480 boolean printedAnything = false; 12481 int numPers = 0; 12482 12483 pw.println("ACTIVITY MANAGER RUNNING PROCESSES (dumpsys activity processes)"); 12484 12485 if (dumpAll) { 12486 final int NP = mProcessNames.getMap().size(); 12487 for (int ip=0; ip<NP; ip++) { 12488 SparseArray<ProcessRecord> procs = mProcessNames.getMap().valueAt(ip); 12489 final int NA = procs.size(); 12490 for (int ia=0; ia<NA; ia++) { 12491 ProcessRecord r = procs.valueAt(ia); 12492 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12493 continue; 12494 } 12495 if (!needSep) { 12496 pw.println(" All known processes:"); 12497 needSep = true; 12498 printedAnything = true; 12499 } 12500 pw.print(r.persistent ? " *PERS*" : " *APP*"); 12501 pw.print(" UID "); pw.print(procs.keyAt(ia)); 12502 pw.print(" "); pw.println(r); 12503 r.dump(pw, " "); 12504 if (r.persistent) { 12505 numPers++; 12506 } 12507 } 12508 } 12509 } 12510 12511 if (mIsolatedProcesses.size() > 0) { 12512 boolean printed = false; 12513 for (int i=0; i<mIsolatedProcesses.size(); i++) { 12514 ProcessRecord r = mIsolatedProcesses.valueAt(i); 12515 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12516 continue; 12517 } 12518 if (!printed) { 12519 if (needSep) { 12520 pw.println(); 12521 } 12522 pw.println(" Isolated process list (sorted by uid):"); 12523 printedAnything = true; 12524 printed = true; 12525 needSep = true; 12526 } 12527 pw.println(String.format("%sIsolated #%2d: %s", 12528 " ", i, r.toString())); 12529 } 12530 } 12531 12532 if (mLruProcesses.size() > 0) { 12533 if (needSep) { 12534 pw.println(); 12535 } 12536 pw.print(" Process LRU list (sorted by oom_adj, "); pw.print(mLruProcesses.size()); 12537 pw.print(" total, non-act at "); 12538 pw.print(mLruProcesses.size()-mLruProcessActivityStart); 12539 pw.print(", non-svc at "); 12540 pw.print(mLruProcesses.size()-mLruProcessServiceStart); 12541 pw.println("):"); 12542 dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", false, dumpPackage); 12543 needSep = true; 12544 printedAnything = true; 12545 } 12546 12547 if (dumpAll || dumpPackage != null) { 12548 synchronized (mPidsSelfLocked) { 12549 boolean printed = false; 12550 for (int i=0; i<mPidsSelfLocked.size(); i++) { 12551 ProcessRecord r = mPidsSelfLocked.valueAt(i); 12552 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12553 continue; 12554 } 12555 if (!printed) { 12556 if (needSep) pw.println(); 12557 needSep = true; 12558 pw.println(" PID mappings:"); 12559 printed = true; 12560 printedAnything = true; 12561 } 12562 pw.print(" PID #"); pw.print(mPidsSelfLocked.keyAt(i)); 12563 pw.print(": "); pw.println(mPidsSelfLocked.valueAt(i)); 12564 } 12565 } 12566 } 12567 12568 if (mForegroundProcesses.size() > 0) { 12569 synchronized (mPidsSelfLocked) { 12570 boolean printed = false; 12571 for (int i=0; i<mForegroundProcesses.size(); i++) { 12572 ProcessRecord r = mPidsSelfLocked.get( 12573 mForegroundProcesses.valueAt(i).pid); 12574 if (dumpPackage != null && (r == null 12575 || !r.pkgList.containsKey(dumpPackage))) { 12576 continue; 12577 } 12578 if (!printed) { 12579 if (needSep) pw.println(); 12580 needSep = true; 12581 pw.println(" Foreground Processes:"); 12582 printed = true; 12583 printedAnything = true; 12584 } 12585 pw.print(" PID #"); pw.print(mForegroundProcesses.keyAt(i)); 12586 pw.print(": "); pw.println(mForegroundProcesses.valueAt(i)); 12587 } 12588 } 12589 } 12590 12591 if (mPersistentStartingProcesses.size() > 0) { 12592 if (needSep) pw.println(); 12593 needSep = true; 12594 printedAnything = true; 12595 pw.println(" Persisent processes that are starting:"); 12596 dumpProcessList(pw, this, mPersistentStartingProcesses, " ", 12597 "Starting Norm", "Restarting PERS", dumpPackage); 12598 } 12599 12600 if (mRemovedProcesses.size() > 0) { 12601 if (needSep) pw.println(); 12602 needSep = true; 12603 printedAnything = true; 12604 pw.println(" Processes that are being removed:"); 12605 dumpProcessList(pw, this, mRemovedProcesses, " ", 12606 "Removed Norm", "Removed PERS", dumpPackage); 12607 } 12608 12609 if (mProcessesOnHold.size() > 0) { 12610 if (needSep) pw.println(); 12611 needSep = true; 12612 printedAnything = true; 12613 pw.println(" Processes that are on old until the system is ready:"); 12614 dumpProcessList(pw, this, mProcessesOnHold, " ", 12615 "OnHold Norm", "OnHold PERS", dumpPackage); 12616 } 12617 12618 needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, dumpPackage); 12619 12620 if (mProcessCrashTimes.getMap().size() > 0) { 12621 boolean printed = false; 12622 long now = SystemClock.uptimeMillis(); 12623 final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap(); 12624 final int NP = pmap.size(); 12625 for (int ip=0; ip<NP; ip++) { 12626 String pname = pmap.keyAt(ip); 12627 SparseArray<Long> uids = pmap.valueAt(ip); 12628 final int N = uids.size(); 12629 for (int i=0; i<N; i++) { 12630 int puid = uids.keyAt(i); 12631 ProcessRecord r = mProcessNames.get(pname, puid); 12632 if (dumpPackage != null && (r == null 12633 || !r.pkgList.containsKey(dumpPackage))) { 12634 continue; 12635 } 12636 if (!printed) { 12637 if (needSep) pw.println(); 12638 needSep = true; 12639 pw.println(" Time since processes crashed:"); 12640 printed = true; 12641 printedAnything = true; 12642 } 12643 pw.print(" Process "); pw.print(pname); 12644 pw.print(" uid "); pw.print(puid); 12645 pw.print(": last crashed "); 12646 TimeUtils.formatDuration(now-uids.valueAt(i), pw); 12647 pw.println(" ago"); 12648 } 12649 } 12650 } 12651 12652 if (mBadProcesses.getMap().size() > 0) { 12653 boolean printed = false; 12654 final ArrayMap<String, SparseArray<BadProcessInfo>> pmap = mBadProcesses.getMap(); 12655 final int NP = pmap.size(); 12656 for (int ip=0; ip<NP; ip++) { 12657 String pname = pmap.keyAt(ip); 12658 SparseArray<BadProcessInfo> uids = pmap.valueAt(ip); 12659 final int N = uids.size(); 12660 for (int i=0; i<N; i++) { 12661 int puid = uids.keyAt(i); 12662 ProcessRecord r = mProcessNames.get(pname, puid); 12663 if (dumpPackage != null && (r == null 12664 || !r.pkgList.containsKey(dumpPackage))) { 12665 continue; 12666 } 12667 if (!printed) { 12668 if (needSep) pw.println(); 12669 needSep = true; 12670 pw.println(" Bad processes:"); 12671 printedAnything = true; 12672 } 12673 BadProcessInfo info = uids.valueAt(i); 12674 pw.print(" Bad process "); pw.print(pname); 12675 pw.print(" uid "); pw.print(puid); 12676 pw.print(": crashed at time "); pw.println(info.time); 12677 if (info.shortMsg != null) { 12678 pw.print(" Short msg: "); pw.println(info.shortMsg); 12679 } 12680 if (info.longMsg != null) { 12681 pw.print(" Long msg: "); pw.println(info.longMsg); 12682 } 12683 if (info.stack != null) { 12684 pw.println(" Stack:"); 12685 int lastPos = 0; 12686 for (int pos=0; pos<info.stack.length(); pos++) { 12687 if (info.stack.charAt(pos) == '\n') { 12688 pw.print(" "); 12689 pw.write(info.stack, lastPos, pos-lastPos); 12690 pw.println(); 12691 lastPos = pos+1; 12692 } 12693 } 12694 if (lastPos < info.stack.length()) { 12695 pw.print(" "); 12696 pw.write(info.stack, lastPos, info.stack.length()-lastPos); 12697 pw.println(); 12698 } 12699 } 12700 } 12701 } 12702 } 12703 12704 if (dumpPackage == null) { 12705 pw.println(); 12706 needSep = false; 12707 pw.println(" mStartedUsers:"); 12708 for (int i=0; i<mStartedUsers.size(); i++) { 12709 UserStartedState uss = mStartedUsers.valueAt(i); 12710 pw.print(" User #"); pw.print(uss.mHandle.getIdentifier()); 12711 pw.print(": "); uss.dump("", pw); 12712 } 12713 pw.print(" mStartedUserArray: ["); 12714 for (int i=0; i<mStartedUserArray.length; i++) { 12715 if (i > 0) pw.print(", "); 12716 pw.print(mStartedUserArray[i]); 12717 } 12718 pw.println("]"); 12719 pw.print(" mUserLru: ["); 12720 for (int i=0; i<mUserLru.size(); i++) { 12721 if (i > 0) pw.print(", "); 12722 pw.print(mUserLru.get(i)); 12723 } 12724 pw.println("]"); 12725 if (dumpAll) { 12726 pw.print(" mStartedUserArray: "); pw.println(Arrays.toString(mStartedUserArray)); 12727 } 12728 synchronized (mUserProfileGroupIdsSelfLocked) { 12729 if (mUserProfileGroupIdsSelfLocked.size() > 0) { 12730 pw.println(" mUserProfileGroupIds:"); 12731 for (int i=0; i<mUserProfileGroupIdsSelfLocked.size(); i++) { 12732 pw.print(" User #"); 12733 pw.print(mUserProfileGroupIdsSelfLocked.keyAt(i)); 12734 pw.print(" -> profile #"); 12735 pw.println(mUserProfileGroupIdsSelfLocked.valueAt(i)); 12736 } 12737 } 12738 } 12739 } 12740 if (mHomeProcess != null && (dumpPackage == null 12741 || mHomeProcess.pkgList.containsKey(dumpPackage))) { 12742 if (needSep) { 12743 pw.println(); 12744 needSep = false; 12745 } 12746 pw.println(" mHomeProcess: " + mHomeProcess); 12747 } 12748 if (mPreviousProcess != null && (dumpPackage == null 12749 || mPreviousProcess.pkgList.containsKey(dumpPackage))) { 12750 if (needSep) { 12751 pw.println(); 12752 needSep = false; 12753 } 12754 pw.println(" mPreviousProcess: " + mPreviousProcess); 12755 } 12756 if (dumpAll) { 12757 StringBuilder sb = new StringBuilder(128); 12758 sb.append(" mPreviousProcessVisibleTime: "); 12759 TimeUtils.formatDuration(mPreviousProcessVisibleTime, sb); 12760 pw.println(sb); 12761 } 12762 if (mHeavyWeightProcess != null && (dumpPackage == null 12763 || mHeavyWeightProcess.pkgList.containsKey(dumpPackage))) { 12764 if (needSep) { 12765 pw.println(); 12766 needSep = false; 12767 } 12768 pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); 12769 } 12770 if (dumpPackage == null) { 12771 pw.println(" mConfiguration: " + mConfiguration); 12772 } 12773 if (dumpAll) { 12774 pw.println(" mConfigWillChange: " + getFocusedStack().mConfigWillChange); 12775 if (mCompatModePackages.getPackages().size() > 0) { 12776 boolean printed = false; 12777 for (Map.Entry<String, Integer> entry 12778 : mCompatModePackages.getPackages().entrySet()) { 12779 String pkg = entry.getKey(); 12780 int mode = entry.getValue(); 12781 if (dumpPackage != null && !dumpPackage.equals(pkg)) { 12782 continue; 12783 } 12784 if (!printed) { 12785 pw.println(" mScreenCompatPackages:"); 12786 printed = true; 12787 } 12788 pw.print(" "); pw.print(pkg); pw.print(": "); 12789 pw.print(mode); pw.println(); 12790 } 12791 } 12792 } 12793 if (dumpPackage == null) { 12794 if (mSleeping || mWentToSleep || mLockScreenShown) { 12795 pw.println(" mSleeping=" + mSleeping + " mWentToSleep=" + mWentToSleep 12796 + " mLockScreenShown " + mLockScreenShown); 12797 } 12798 if (mShuttingDown || mRunningVoice) { 12799 pw.print(" mShuttingDown=" + mShuttingDown + " mRunningVoice=" + mRunningVoice); 12800 } 12801 } 12802 if (mDebugApp != null || mOrigDebugApp != null || mDebugTransient 12803 || mOrigWaitForDebugger) { 12804 if (dumpPackage == null || dumpPackage.equals(mDebugApp) 12805 || dumpPackage.equals(mOrigDebugApp)) { 12806 if (needSep) { 12807 pw.println(); 12808 needSep = false; 12809 } 12810 pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp 12811 + " mDebugTransient=" + mDebugTransient 12812 + " mOrigWaitForDebugger=" + mOrigWaitForDebugger); 12813 } 12814 } 12815 if (mOpenGlTraceApp != null) { 12816 if (dumpPackage == null || dumpPackage.equals(mOpenGlTraceApp)) { 12817 if (needSep) { 12818 pw.println(); 12819 needSep = false; 12820 } 12821 pw.println(" mOpenGlTraceApp=" + mOpenGlTraceApp); 12822 } 12823 } 12824 if (mProfileApp != null || mProfileProc != null || mProfileFile != null 12825 || mProfileFd != null) { 12826 if (dumpPackage == null || dumpPackage.equals(mProfileApp)) { 12827 if (needSep) { 12828 pw.println(); 12829 needSep = false; 12830 } 12831 pw.println(" mProfileApp=" + mProfileApp + " mProfileProc=" + mProfileProc); 12832 pw.println(" mProfileFile=" + mProfileFile + " mProfileFd=" + mProfileFd); 12833 pw.println(" mSamplingInterval=" + mSamplingInterval + " mAutoStopProfiler=" 12834 + mAutoStopProfiler); 12835 pw.println(" mProfileType=" + mProfileType); 12836 } 12837 } 12838 if (dumpPackage == null) { 12839 if (mAlwaysFinishActivities || mController != null) { 12840 pw.println(" mAlwaysFinishActivities=" + mAlwaysFinishActivities 12841 + " mController=" + mController); 12842 } 12843 if (dumpAll) { 12844 pw.println(" Total persistent processes: " + numPers); 12845 pw.println(" mProcessesReady=" + mProcessesReady 12846 + " mSystemReady=" + mSystemReady); 12847 pw.println(" mBooting=" + mBooting 12848 + " mBooted=" + mBooted 12849 + " mFactoryTest=" + mFactoryTest); 12850 pw.print(" mLastPowerCheckRealtime="); 12851 TimeUtils.formatDuration(mLastPowerCheckRealtime, pw); 12852 pw.println(""); 12853 pw.print(" mLastPowerCheckUptime="); 12854 TimeUtils.formatDuration(mLastPowerCheckUptime, pw); 12855 pw.println(""); 12856 pw.println(" mGoingToSleep=" + mStackSupervisor.mGoingToSleep); 12857 pw.println(" mLaunchingActivity=" + mStackSupervisor.mLaunchingActivity); 12858 pw.println(" mAdjSeq=" + mAdjSeq + " mLruSeq=" + mLruSeq); 12859 pw.println(" mNumNonCachedProcs=" + mNumNonCachedProcs 12860 + " (" + mLruProcesses.size() + " total)" 12861 + " mNumCachedHiddenProcs=" + mNumCachedHiddenProcs 12862 + " mNumServiceProcs=" + mNumServiceProcs 12863 + " mNewNumServiceProcs=" + mNewNumServiceProcs); 12864 pw.println(" mAllowLowerMemLevel=" + mAllowLowerMemLevel 12865 + " mLastMemoryLevel" + mLastMemoryLevel 12866 + " mLastNumProcesses" + mLastNumProcesses); 12867 long now = SystemClock.uptimeMillis(); 12868 pw.print(" mLastIdleTime="); 12869 TimeUtils.formatDuration(now, mLastIdleTime, pw); 12870 pw.print(" mLowRamSinceLastIdle="); 12871 TimeUtils.formatDuration(getLowRamTimeSinceIdle(now), pw); 12872 pw.println(); 12873 } 12874 } 12875 12876 if (!printedAnything) { 12877 pw.println(" (nothing)"); 12878 } 12879 } 12880 12881 boolean dumpProcessesToGc(FileDescriptor fd, PrintWriter pw, String[] args, 12882 int opti, boolean needSep, boolean dumpAll, String dumpPackage) { 12883 if (mProcessesToGc.size() > 0) { 12884 boolean printed = false; 12885 long now = SystemClock.uptimeMillis(); 12886 for (int i=0; i<mProcessesToGc.size(); i++) { 12887 ProcessRecord proc = mProcessesToGc.get(i); 12888 if (dumpPackage != null && !dumpPackage.equals(proc.info.packageName)) { 12889 continue; 12890 } 12891 if (!printed) { 12892 if (needSep) pw.println(); 12893 needSep = true; 12894 pw.println(" Processes that are waiting to GC:"); 12895 printed = true; 12896 } 12897 pw.print(" Process "); pw.println(proc); 12898 pw.print(" lowMem="); pw.print(proc.reportLowMemory); 12899 pw.print(", last gced="); 12900 pw.print(now-proc.lastRequestedGc); 12901 pw.print(" ms ago, last lowMem="); 12902 pw.print(now-proc.lastLowMemory); 12903 pw.println(" ms ago"); 12904 12905 } 12906 } 12907 return needSep; 12908 } 12909 12910 void printOomLevel(PrintWriter pw, String name, int adj) { 12911 pw.print(" "); 12912 if (adj >= 0) { 12913 pw.print(' '); 12914 if (adj < 10) pw.print(' '); 12915 } else { 12916 if (adj > -10) pw.print(' '); 12917 } 12918 pw.print(adj); 12919 pw.print(": "); 12920 pw.print(name); 12921 pw.print(" ("); 12922 pw.print(mProcessList.getMemLevel(adj)/1024); 12923 pw.println(" kB)"); 12924 } 12925 12926 boolean dumpOomLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12927 int opti, boolean dumpAll) { 12928 boolean needSep = false; 12929 12930 if (mLruProcesses.size() > 0) { 12931 if (needSep) pw.println(); 12932 needSep = true; 12933 pw.println(" OOM levels:"); 12934 printOomLevel(pw, "SYSTEM_ADJ", ProcessList.SYSTEM_ADJ); 12935 printOomLevel(pw, "PERSISTENT_PROC_ADJ", ProcessList.PERSISTENT_PROC_ADJ); 12936 printOomLevel(pw, "FOREGROUND_APP_ADJ", ProcessList.FOREGROUND_APP_ADJ); 12937 printOomLevel(pw, "VISIBLE_APP_ADJ", ProcessList.VISIBLE_APP_ADJ); 12938 printOomLevel(pw, "PERCEPTIBLE_APP_ADJ", ProcessList.PERCEPTIBLE_APP_ADJ); 12939 printOomLevel(pw, "BACKUP_APP_ADJ", ProcessList.BACKUP_APP_ADJ); 12940 printOomLevel(pw, "HEAVY_WEIGHT_APP_ADJ", ProcessList.HEAVY_WEIGHT_APP_ADJ); 12941 printOomLevel(pw, "SERVICE_ADJ", ProcessList.SERVICE_ADJ); 12942 printOomLevel(pw, "HOME_APP_ADJ", ProcessList.HOME_APP_ADJ); 12943 printOomLevel(pw, "PREVIOUS_APP_ADJ", ProcessList.PREVIOUS_APP_ADJ); 12944 printOomLevel(pw, "SERVICE_B_ADJ", ProcessList.SERVICE_B_ADJ); 12945 printOomLevel(pw, "CACHED_APP_MIN_ADJ", ProcessList.CACHED_APP_MIN_ADJ); 12946 printOomLevel(pw, "CACHED_APP_MAX_ADJ", ProcessList.CACHED_APP_MAX_ADJ); 12947 12948 if (needSep) pw.println(); 12949 pw.print(" Process OOM control ("); pw.print(mLruProcesses.size()); 12950 pw.print(" total, non-act at "); 12951 pw.print(mLruProcesses.size()-mLruProcessActivityStart); 12952 pw.print(", non-svc at "); 12953 pw.print(mLruProcesses.size()-mLruProcessServiceStart); 12954 pw.println("):"); 12955 dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", true, null); 12956 needSep = true; 12957 } 12958 12959 dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, null); 12960 12961 pw.println(); 12962 pw.println(" mHomeProcess: " + mHomeProcess); 12963 pw.println(" mPreviousProcess: " + mPreviousProcess); 12964 if (mHeavyWeightProcess != null) { 12965 pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); 12966 } 12967 12968 return true; 12969 } 12970 12971 /** 12972 * There are three ways to call this: 12973 * - no provider specified: dump all the providers 12974 * - a flattened component name that matched an existing provider was specified as the 12975 * first arg: dump that one provider 12976 * - the first arg isn't the flattened component name of an existing provider: 12977 * dump all providers whose component contains the first arg as a substring 12978 */ 12979 protected boolean dumpProvider(FileDescriptor fd, PrintWriter pw, String name, String[] args, 12980 int opti, boolean dumpAll) { 12981 return mProviderMap.dumpProvider(fd, pw, name, args, opti, dumpAll); 12982 } 12983 12984 static class ItemMatcher { 12985 ArrayList<ComponentName> components; 12986 ArrayList<String> strings; 12987 ArrayList<Integer> objects; 12988 boolean all; 12989 12990 ItemMatcher() { 12991 all = true; 12992 } 12993 12994 void build(String name) { 12995 ComponentName componentName = ComponentName.unflattenFromString(name); 12996 if (componentName != null) { 12997 if (components == null) { 12998 components = new ArrayList<ComponentName>(); 12999 } 13000 components.add(componentName); 13001 all = false; 13002 } else { 13003 int objectId = 0; 13004 // Not a '/' separated full component name; maybe an object ID? 13005 try { 13006 objectId = Integer.parseInt(name, 16); 13007 if (objects == null) { 13008 objects = new ArrayList<Integer>(); 13009 } 13010 objects.add(objectId); 13011 all = false; 13012 } catch (RuntimeException e) { 13013 // Not an integer; just do string match. 13014 if (strings == null) { 13015 strings = new ArrayList<String>(); 13016 } 13017 strings.add(name); 13018 all = false; 13019 } 13020 } 13021 } 13022 13023 int build(String[] args, int opti) { 13024 for (; opti<args.length; opti++) { 13025 String name = args[opti]; 13026 if ("--".equals(name)) { 13027 return opti+1; 13028 } 13029 build(name); 13030 } 13031 return opti; 13032 } 13033 13034 boolean match(Object object, ComponentName comp) { 13035 if (all) { 13036 return true; 13037 } 13038 if (components != null) { 13039 for (int i=0; i<components.size(); i++) { 13040 if (components.get(i).equals(comp)) { 13041 return true; 13042 } 13043 } 13044 } 13045 if (objects != null) { 13046 for (int i=0; i<objects.size(); i++) { 13047 if (System.identityHashCode(object) == objects.get(i)) { 13048 return true; 13049 } 13050 } 13051 } 13052 if (strings != null) { 13053 String flat = comp.flattenToString(); 13054 for (int i=0; i<strings.size(); i++) { 13055 if (flat.contains(strings.get(i))) { 13056 return true; 13057 } 13058 } 13059 } 13060 return false; 13061 } 13062 } 13063 13064 /** 13065 * There are three things that cmd can be: 13066 * - a flattened component name that matches an existing activity 13067 * - the cmd arg isn't the flattened component name of an existing activity: 13068 * dump all activity whose component contains the cmd as a substring 13069 * - A hex number of the ActivityRecord object instance. 13070 */ 13071 protected boolean dumpActivity(FileDescriptor fd, PrintWriter pw, String name, String[] args, 13072 int opti, boolean dumpAll) { 13073 ArrayList<ActivityRecord> activities; 13074 13075 synchronized (this) { 13076 activities = mStackSupervisor.getDumpActivitiesLocked(name); 13077 } 13078 13079 if (activities.size() <= 0) { 13080 return false; 13081 } 13082 13083 String[] newArgs = new String[args.length - opti]; 13084 System.arraycopy(args, opti, newArgs, 0, args.length - opti); 13085 13086 TaskRecord lastTask = null; 13087 boolean needSep = false; 13088 for (int i=activities.size()-1; i>=0; i--) { 13089 ActivityRecord r = activities.get(i); 13090 if (needSep) { 13091 pw.println(); 13092 } 13093 needSep = true; 13094 synchronized (this) { 13095 if (lastTask != r.task) { 13096 lastTask = r.task; 13097 pw.print("TASK "); pw.print(lastTask.affinity); 13098 pw.print(" id="); pw.println(lastTask.taskId); 13099 if (dumpAll) { 13100 lastTask.dump(pw, " "); 13101 } 13102 } 13103 } 13104 dumpActivity(" ", fd, pw, activities.get(i), newArgs, dumpAll); 13105 } 13106 return true; 13107 } 13108 13109 /** 13110 * Invokes IApplicationThread.dumpActivity() on the thread of the specified activity if 13111 * there is a thread associated with the activity. 13112 */ 13113 private void dumpActivity(String prefix, FileDescriptor fd, PrintWriter pw, 13114 final ActivityRecord r, String[] args, boolean dumpAll) { 13115 String innerPrefix = prefix + " "; 13116 synchronized (this) { 13117 pw.print(prefix); pw.print("ACTIVITY "); pw.print(r.shortComponentName); 13118 pw.print(" "); pw.print(Integer.toHexString(System.identityHashCode(r))); 13119 pw.print(" pid="); 13120 if (r.app != null) pw.println(r.app.pid); 13121 else pw.println("(not running)"); 13122 if (dumpAll) { 13123 r.dump(pw, innerPrefix); 13124 } 13125 } 13126 if (r.app != null && r.app.thread != null) { 13127 // flush anything that is already in the PrintWriter since the thread is going 13128 // to write to the file descriptor directly 13129 pw.flush(); 13130 try { 13131 TransferPipe tp = new TransferPipe(); 13132 try { 13133 r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), 13134 r.appToken, innerPrefix, args); 13135 tp.go(fd); 13136 } finally { 13137 tp.kill(); 13138 } 13139 } catch (IOException e) { 13140 pw.println(innerPrefix + "Failure while dumping the activity: " + e); 13141 } catch (RemoteException e) { 13142 pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); 13143 } 13144 } 13145 } 13146 13147 void dumpBroadcastsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 13148 int opti, boolean dumpAll, String dumpPackage) { 13149 boolean needSep = false; 13150 boolean onlyHistory = false; 13151 boolean printedAnything = false; 13152 13153 if ("history".equals(dumpPackage)) { 13154 if (opti < args.length && "-s".equals(args[opti])) { 13155 dumpAll = false; 13156 } 13157 onlyHistory = true; 13158 dumpPackage = null; 13159 } 13160 13161 pw.println("ACTIVITY MANAGER BROADCAST STATE (dumpsys activity broadcasts)"); 13162 if (!onlyHistory && dumpAll) { 13163 if (mRegisteredReceivers.size() > 0) { 13164 boolean printed = false; 13165 Iterator it = mRegisteredReceivers.values().iterator(); 13166 while (it.hasNext()) { 13167 ReceiverList r = (ReceiverList)it.next(); 13168 if (dumpPackage != null && (r.app == null || 13169 !dumpPackage.equals(r.app.info.packageName))) { 13170 continue; 13171 } 13172 if (!printed) { 13173 pw.println(" Registered Receivers:"); 13174 needSep = true; 13175 printed = true; 13176 printedAnything = true; 13177 } 13178 pw.print(" * "); pw.println(r); 13179 r.dump(pw, " "); 13180 } 13181 } 13182 13183 if (mReceiverResolver.dump(pw, needSep ? 13184 "\n Receiver Resolver Table:" : " Receiver Resolver Table:", 13185 " ", dumpPackage, false)) { 13186 needSep = true; 13187 printedAnything = true; 13188 } 13189 } 13190 13191 for (BroadcastQueue q : mBroadcastQueues) { 13192 needSep = q.dumpLocked(fd, pw, args, opti, dumpAll, dumpPackage, needSep); 13193 printedAnything |= needSep; 13194 } 13195 13196 needSep = true; 13197 13198 if (!onlyHistory && mStickyBroadcasts != null && dumpPackage == null) { 13199 for (int user=0; user<mStickyBroadcasts.size(); user++) { 13200 if (needSep) { 13201 pw.println(); 13202 } 13203 needSep = true; 13204 printedAnything = true; 13205 pw.print(" Sticky broadcasts for user "); 13206 pw.print(mStickyBroadcasts.keyAt(user)); pw.println(":"); 13207 StringBuilder sb = new StringBuilder(128); 13208 for (Map.Entry<String, ArrayList<Intent>> ent 13209 : mStickyBroadcasts.valueAt(user).entrySet()) { 13210 pw.print(" * Sticky action "); pw.print(ent.getKey()); 13211 if (dumpAll) { 13212 pw.println(":"); 13213 ArrayList<Intent> intents = ent.getValue(); 13214 final int N = intents.size(); 13215 for (int i=0; i<N; i++) { 13216 sb.setLength(0); 13217 sb.append(" Intent: "); 13218 intents.get(i).toShortString(sb, false, true, false, false); 13219 pw.println(sb.toString()); 13220 Bundle bundle = intents.get(i).getExtras(); 13221 if (bundle != null) { 13222 pw.print(" "); 13223 pw.println(bundle.toString()); 13224 } 13225 } 13226 } else { 13227 pw.println(""); 13228 } 13229 } 13230 } 13231 } 13232 13233 if (!onlyHistory && dumpAll) { 13234 pw.println(); 13235 for (BroadcastQueue queue : mBroadcastQueues) { 13236 pw.println(" mBroadcastsScheduled [" + queue.mQueueName + "]=" 13237 + queue.mBroadcastsScheduled); 13238 } 13239 pw.println(" mHandler:"); 13240 mHandler.dump(new PrintWriterPrinter(pw), " "); 13241 needSep = true; 13242 printedAnything = true; 13243 } 13244 13245 if (!printedAnything) { 13246 pw.println(" (nothing)"); 13247 } 13248 } 13249 13250 void dumpProvidersLocked(FileDescriptor fd, PrintWriter pw, String[] args, 13251 int opti, boolean dumpAll, String dumpPackage) { 13252 boolean needSep; 13253 boolean printedAnything = false; 13254 13255 ItemMatcher matcher = new ItemMatcher(); 13256 matcher.build(args, opti); 13257 13258 pw.println("ACTIVITY MANAGER CONTENT PROVIDERS (dumpsys activity providers)"); 13259 13260 needSep = mProviderMap.dumpProvidersLocked(pw, dumpAll, dumpPackage); 13261 printedAnything |= needSep; 13262 13263 if (mLaunchingProviders.size() > 0) { 13264 boolean printed = false; 13265 for (int i=mLaunchingProviders.size()-1; i>=0; i--) { 13266 ContentProviderRecord r = mLaunchingProviders.get(i); 13267 if (dumpPackage != null && !dumpPackage.equals(r.name.getPackageName())) { 13268 continue; 13269 } 13270 if (!printed) { 13271 if (needSep) pw.println(); 13272 needSep = true; 13273 pw.println(" Launching content providers:"); 13274 printed = true; 13275 printedAnything = true; 13276 } 13277 pw.print(" Launching #"); pw.print(i); pw.print(": "); 13278 pw.println(r); 13279 } 13280 } 13281 13282 if (mGrantedUriPermissions.size() > 0) { 13283 boolean printed = false; 13284 int dumpUid = -2; 13285 if (dumpPackage != null) { 13286 try { 13287 dumpUid = mContext.getPackageManager().getPackageUid(dumpPackage, 0); 13288 } catch (NameNotFoundException e) { 13289 dumpUid = -1; 13290 } 13291 } 13292 for (int i=0; i<mGrantedUriPermissions.size(); i++) { 13293 int uid = mGrantedUriPermissions.keyAt(i); 13294 if (dumpUid >= -1 && UserHandle.getAppId(uid) != dumpUid) { 13295 continue; 13296 } 13297 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 13298 if (!printed) { 13299 if (needSep) pw.println(); 13300 needSep = true; 13301 pw.println(" Granted Uri Permissions:"); 13302 printed = true; 13303 printedAnything = true; 13304 } 13305 pw.print(" * UID "); pw.print(uid); pw.println(" holds:"); 13306 for (UriPermission perm : perms.values()) { 13307 pw.print(" "); pw.println(perm); 13308 if (dumpAll) { 13309 perm.dump(pw, " "); 13310 } 13311 } 13312 } 13313 } 13314 13315 if (!printedAnything) { 13316 pw.println(" (nothing)"); 13317 } 13318 } 13319 13320 void dumpPendingIntentsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 13321 int opti, boolean dumpAll, String dumpPackage) { 13322 boolean printed = false; 13323 13324 pw.println("ACTIVITY MANAGER PENDING INTENTS (dumpsys activity intents)"); 13325 13326 if (mIntentSenderRecords.size() > 0) { 13327 Iterator<WeakReference<PendingIntentRecord>> it 13328 = mIntentSenderRecords.values().iterator(); 13329 while (it.hasNext()) { 13330 WeakReference<PendingIntentRecord> ref = it.next(); 13331 PendingIntentRecord rec = ref != null ? ref.get(): null; 13332 if (dumpPackage != null && (rec == null 13333 || !dumpPackage.equals(rec.key.packageName))) { 13334 continue; 13335 } 13336 printed = true; 13337 if (rec != null) { 13338 pw.print(" * "); pw.println(rec); 13339 if (dumpAll) { 13340 rec.dump(pw, " "); 13341 } 13342 } else { 13343 pw.print(" * "); pw.println(ref); 13344 } 13345 } 13346 } 13347 13348 if (!printed) { 13349 pw.println(" (nothing)"); 13350 } 13351 } 13352 13353 private static final int dumpProcessList(PrintWriter pw, 13354 ActivityManagerService service, List list, 13355 String prefix, String normalLabel, String persistentLabel, 13356 String dumpPackage) { 13357 int numPers = 0; 13358 final int N = list.size()-1; 13359 for (int i=N; i>=0; i--) { 13360 ProcessRecord r = (ProcessRecord)list.get(i); 13361 if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { 13362 continue; 13363 } 13364 pw.println(String.format("%s%s #%2d: %s", 13365 prefix, (r.persistent ? persistentLabel : normalLabel), 13366 i, r.toString())); 13367 if (r.persistent) { 13368 numPers++; 13369 } 13370 } 13371 return numPers; 13372 } 13373 13374 private static final boolean dumpProcessOomList(PrintWriter pw, 13375 ActivityManagerService service, List<ProcessRecord> origList, 13376 String prefix, String normalLabel, String persistentLabel, 13377 boolean inclDetails, String dumpPackage) { 13378 13379 ArrayList<Pair<ProcessRecord, Integer>> list 13380 = new ArrayList<Pair<ProcessRecord, Integer>>(origList.size()); 13381 for (int i=0; i<origList.size(); i++) { 13382 ProcessRecord r = origList.get(i); 13383 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 13384 continue; 13385 } 13386 list.add(new Pair<ProcessRecord, Integer>(origList.get(i), i)); 13387 } 13388 13389 if (list.size() <= 0) { 13390 return false; 13391 } 13392 13393 Comparator<Pair<ProcessRecord, Integer>> comparator 13394 = new Comparator<Pair<ProcessRecord, Integer>>() { 13395 @Override 13396 public int compare(Pair<ProcessRecord, Integer> object1, 13397 Pair<ProcessRecord, Integer> object2) { 13398 if (object1.first.setAdj != object2.first.setAdj) { 13399 return object1.first.setAdj > object2.first.setAdj ? -1 : 1; 13400 } 13401 if (object1.second.intValue() != object2.second.intValue()) { 13402 return object1.second.intValue() > object2.second.intValue() ? -1 : 1; 13403 } 13404 return 0; 13405 } 13406 }; 13407 13408 Collections.sort(list, comparator); 13409 13410 final long curRealtime = SystemClock.elapsedRealtime(); 13411 final long realtimeSince = curRealtime - service.mLastPowerCheckRealtime; 13412 final long curUptime = SystemClock.uptimeMillis(); 13413 final long uptimeSince = curUptime - service.mLastPowerCheckUptime; 13414 13415 for (int i=list.size()-1; i>=0; i--) { 13416 ProcessRecord r = list.get(i).first; 13417 String oomAdj = ProcessList.makeOomAdjString(r.setAdj); 13418 char schedGroup; 13419 switch (r.setSchedGroup) { 13420 case Process.THREAD_GROUP_BG_NONINTERACTIVE: 13421 schedGroup = 'B'; 13422 break; 13423 case Process.THREAD_GROUP_DEFAULT: 13424 schedGroup = 'F'; 13425 break; 13426 default: 13427 schedGroup = '?'; 13428 break; 13429 } 13430 char foreground; 13431 if (r.foregroundActivities) { 13432 foreground = 'A'; 13433 } else if (r.foregroundServices) { 13434 foreground = 'S'; 13435 } else { 13436 foreground = ' '; 13437 } 13438 String procState = ProcessList.makeProcStateString(r.curProcState); 13439 pw.print(prefix); 13440 pw.print(r.persistent ? persistentLabel : normalLabel); 13441 pw.print(" #"); 13442 int num = (origList.size()-1)-list.get(i).second; 13443 if (num < 10) pw.print(' '); 13444 pw.print(num); 13445 pw.print(": "); 13446 pw.print(oomAdj); 13447 pw.print(' '); 13448 pw.print(schedGroup); 13449 pw.print('/'); 13450 pw.print(foreground); 13451 pw.print('/'); 13452 pw.print(procState); 13453 pw.print(" trm:"); 13454 if (r.trimMemoryLevel < 10) pw.print(' '); 13455 pw.print(r.trimMemoryLevel); 13456 pw.print(' '); 13457 pw.print(r.toShortString()); 13458 pw.print(" ("); 13459 pw.print(r.adjType); 13460 pw.println(')'); 13461 if (r.adjSource != null || r.adjTarget != null) { 13462 pw.print(prefix); 13463 pw.print(" "); 13464 if (r.adjTarget instanceof ComponentName) { 13465 pw.print(((ComponentName)r.adjTarget).flattenToShortString()); 13466 } else if (r.adjTarget != null) { 13467 pw.print(r.adjTarget.toString()); 13468 } else { 13469 pw.print("{null}"); 13470 } 13471 pw.print("<="); 13472 if (r.adjSource instanceof ProcessRecord) { 13473 pw.print("Proc{"); 13474 pw.print(((ProcessRecord)r.adjSource).toShortString()); 13475 pw.println("}"); 13476 } else if (r.adjSource != null) { 13477 pw.println(r.adjSource.toString()); 13478 } else { 13479 pw.println("{null}"); 13480 } 13481 } 13482 if (inclDetails) { 13483 pw.print(prefix); 13484 pw.print(" "); 13485 pw.print("oom: max="); pw.print(r.maxAdj); 13486 pw.print(" curRaw="); pw.print(r.curRawAdj); 13487 pw.print(" setRaw="); pw.print(r.setRawAdj); 13488 pw.print(" cur="); pw.print(r.curAdj); 13489 pw.print(" set="); pw.println(r.setAdj); 13490 pw.print(prefix); 13491 pw.print(" "); 13492 pw.print("state: cur="); pw.print(ProcessList.makeProcStateString(r.curProcState)); 13493 pw.print(" set="); pw.print(ProcessList.makeProcStateString(r.setProcState)); 13494 pw.print(" lastPss="); pw.print(r.lastPss); 13495 pw.print(" lastCachedPss="); pw.println(r.lastCachedPss); 13496 pw.print(prefix); 13497 pw.print(" "); 13498 pw.print("cached="); pw.print(r.cached); 13499 pw.print(" empty="); pw.print(r.empty); 13500 pw.print(" hasAboveClient="); pw.println(r.hasAboveClient); 13501 13502 if (r.setProcState >= ActivityManager.PROCESS_STATE_SERVICE) { 13503 if (r.lastWakeTime != 0) { 13504 long wtime; 13505 BatteryStatsImpl stats = service.mBatteryStatsService.getActiveStatistics(); 13506 synchronized (stats) { 13507 wtime = stats.getProcessWakeTime(r.info.uid, 13508 r.pid, curRealtime); 13509 } 13510 long timeUsed = wtime - r.lastWakeTime; 13511 pw.print(prefix); 13512 pw.print(" "); 13513 pw.print("keep awake over "); 13514 TimeUtils.formatDuration(realtimeSince, pw); 13515 pw.print(" used "); 13516 TimeUtils.formatDuration(timeUsed, pw); 13517 pw.print(" ("); 13518 pw.print((timeUsed*100)/realtimeSince); 13519 pw.println("%)"); 13520 } 13521 if (r.lastCpuTime != 0) { 13522 long timeUsed = r.curCpuTime - r.lastCpuTime; 13523 pw.print(prefix); 13524 pw.print(" "); 13525 pw.print("run cpu over "); 13526 TimeUtils.formatDuration(uptimeSince, pw); 13527 pw.print(" used "); 13528 TimeUtils.formatDuration(timeUsed, pw); 13529 pw.print(" ("); 13530 pw.print((timeUsed*100)/uptimeSince); 13531 pw.println("%)"); 13532 } 13533 } 13534 } 13535 } 13536 return true; 13537 } 13538 13539 ArrayList<ProcessRecord> collectProcesses(PrintWriter pw, int start, String[] args) { 13540 ArrayList<ProcessRecord> procs; 13541 synchronized (this) { 13542 if (args != null && args.length > start 13543 && args[start].charAt(0) != '-') { 13544 procs = new ArrayList<ProcessRecord>(); 13545 int pid = -1; 13546 try { 13547 pid = Integer.parseInt(args[start]); 13548 } catch (NumberFormatException e) { 13549 } 13550 for (int i=mLruProcesses.size()-1; i>=0; i--) { 13551 ProcessRecord proc = mLruProcesses.get(i); 13552 if (proc.pid == pid) { 13553 procs.add(proc); 13554 } else if (proc.processName.equals(args[start])) { 13555 procs.add(proc); 13556 } 13557 } 13558 if (procs.size() <= 0) { 13559 return null; 13560 } 13561 } else { 13562 procs = new ArrayList<ProcessRecord>(mLruProcesses); 13563 } 13564 } 13565 return procs; 13566 } 13567 13568 final void dumpGraphicsHardwareUsage(FileDescriptor fd, 13569 PrintWriter pw, String[] args) { 13570 ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); 13571 if (procs == null) { 13572 pw.println("No process found for: " + args[0]); 13573 return; 13574 } 13575 13576 long uptime = SystemClock.uptimeMillis(); 13577 long realtime = SystemClock.elapsedRealtime(); 13578 pw.println("Applications Graphics Acceleration Info:"); 13579 pw.println("Uptime: " + uptime + " Realtime: " + realtime); 13580 13581 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13582 ProcessRecord r = procs.get(i); 13583 if (r.thread != null) { 13584 pw.println("\n** Graphics info for pid " + r.pid + " [" + r.processName + "] **"); 13585 pw.flush(); 13586 try { 13587 TransferPipe tp = new TransferPipe(); 13588 try { 13589 r.thread.dumpGfxInfo(tp.getWriteFd().getFileDescriptor(), args); 13590 tp.go(fd); 13591 } finally { 13592 tp.kill(); 13593 } 13594 } catch (IOException e) { 13595 pw.println("Failure while dumping the app: " + r); 13596 pw.flush(); 13597 } catch (RemoteException e) { 13598 pw.println("Got a RemoteException while dumping the app " + r); 13599 pw.flush(); 13600 } 13601 } 13602 } 13603 } 13604 13605 final void dumpDbInfo(FileDescriptor fd, PrintWriter pw, String[] args) { 13606 ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); 13607 if (procs == null) { 13608 pw.println("No process found for: " + args[0]); 13609 return; 13610 } 13611 13612 pw.println("Applications Database Info:"); 13613 13614 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13615 ProcessRecord r = procs.get(i); 13616 if (r.thread != null) { 13617 pw.println("\n** Database info for pid " + r.pid + " [" + r.processName + "] **"); 13618 pw.flush(); 13619 try { 13620 TransferPipe tp = new TransferPipe(); 13621 try { 13622 r.thread.dumpDbInfo(tp.getWriteFd().getFileDescriptor(), args); 13623 tp.go(fd); 13624 } finally { 13625 tp.kill(); 13626 } 13627 } catch (IOException e) { 13628 pw.println("Failure while dumping the app: " + r); 13629 pw.flush(); 13630 } catch (RemoteException e) { 13631 pw.println("Got a RemoteException while dumping the app " + r); 13632 pw.flush(); 13633 } 13634 } 13635 } 13636 } 13637 13638 final static class MemItem { 13639 final boolean isProc; 13640 final String label; 13641 final String shortLabel; 13642 final long pss; 13643 final int id; 13644 final boolean hasActivities; 13645 ArrayList<MemItem> subitems; 13646 13647 public MemItem(String _label, String _shortLabel, long _pss, int _id, 13648 boolean _hasActivities) { 13649 isProc = true; 13650 label = _label; 13651 shortLabel = _shortLabel; 13652 pss = _pss; 13653 id = _id; 13654 hasActivities = _hasActivities; 13655 } 13656 13657 public MemItem(String _label, String _shortLabel, long _pss, int _id) { 13658 isProc = false; 13659 label = _label; 13660 shortLabel = _shortLabel; 13661 pss = _pss; 13662 id = _id; 13663 hasActivities = false; 13664 } 13665 } 13666 13667 static final void dumpMemItems(PrintWriter pw, String prefix, String tag, 13668 ArrayList<MemItem> items, boolean sort, boolean isCompact) { 13669 if (sort && !isCompact) { 13670 Collections.sort(items, new Comparator<MemItem>() { 13671 @Override 13672 public int compare(MemItem lhs, MemItem rhs) { 13673 if (lhs.pss < rhs.pss) { 13674 return 1; 13675 } else if (lhs.pss > rhs.pss) { 13676 return -1; 13677 } 13678 return 0; 13679 } 13680 }); 13681 } 13682 13683 for (int i=0; i<items.size(); i++) { 13684 MemItem mi = items.get(i); 13685 if (!isCompact) { 13686 pw.print(prefix); pw.printf("%7d kB: ", mi.pss); pw.println(mi.label); 13687 } else if (mi.isProc) { 13688 pw.print("proc,"); pw.print(tag); pw.print(","); pw.print(mi.shortLabel); 13689 pw.print(","); pw.print(mi.id); pw.print(","); pw.print(mi.pss); 13690 pw.println(mi.hasActivities ? ",a" : ",e"); 13691 } else { 13692 pw.print(tag); pw.print(","); pw.print(mi.shortLabel); pw.print(","); 13693 pw.println(mi.pss); 13694 } 13695 if (mi.subitems != null) { 13696 dumpMemItems(pw, prefix + " ", mi.shortLabel, mi.subitems, 13697 true, isCompact); 13698 } 13699 } 13700 } 13701 13702 // These are in KB. 13703 static final long[] DUMP_MEM_BUCKETS = new long[] { 13704 5*1024, 7*1024, 10*1024, 15*1024, 20*1024, 30*1024, 40*1024, 80*1024, 13705 120*1024, 160*1024, 200*1024, 13706 250*1024, 300*1024, 350*1024, 400*1024, 500*1024, 600*1024, 800*1024, 13707 1*1024*1024, 2*1024*1024, 5*1024*1024, 10*1024*1024, 20*1024*1024 13708 }; 13709 13710 static final void appendMemBucket(StringBuilder out, long memKB, String label, 13711 boolean stackLike) { 13712 int start = label.lastIndexOf('.'); 13713 if (start >= 0) start++; 13714 else start = 0; 13715 int end = label.length(); 13716 for (int i=0; i<DUMP_MEM_BUCKETS.length; i++) { 13717 if (DUMP_MEM_BUCKETS[i] >= memKB) { 13718 long bucket = DUMP_MEM_BUCKETS[i]/1024; 13719 out.append(bucket); 13720 out.append(stackLike ? "MB." : "MB "); 13721 out.append(label, start, end); 13722 return; 13723 } 13724 } 13725 out.append(memKB/1024); 13726 out.append(stackLike ? "MB." : "MB "); 13727 out.append(label, start, end); 13728 } 13729 13730 static final int[] DUMP_MEM_OOM_ADJ = new int[] { 13731 ProcessList.NATIVE_ADJ, 13732 ProcessList.SYSTEM_ADJ, ProcessList.PERSISTENT_PROC_ADJ, ProcessList.FOREGROUND_APP_ADJ, 13733 ProcessList.VISIBLE_APP_ADJ, ProcessList.PERCEPTIBLE_APP_ADJ, 13734 ProcessList.BACKUP_APP_ADJ, ProcessList.HEAVY_WEIGHT_APP_ADJ, 13735 ProcessList.SERVICE_ADJ, ProcessList.HOME_APP_ADJ, 13736 ProcessList.PREVIOUS_APP_ADJ, ProcessList.SERVICE_B_ADJ, ProcessList.CACHED_APP_MAX_ADJ 13737 }; 13738 static final String[] DUMP_MEM_OOM_LABEL = new String[] { 13739 "Native", 13740 "System", "Persistent", "Foreground", 13741 "Visible", "Perceptible", 13742 "Heavy Weight", "Backup", 13743 "A Services", "Home", 13744 "Previous", "B Services", "Cached" 13745 }; 13746 static final String[] DUMP_MEM_OOM_COMPACT_LABEL = new String[] { 13747 "native", 13748 "sys", "pers", "fore", 13749 "vis", "percept", 13750 "heavy", "backup", 13751 "servicea", "home", 13752 "prev", "serviceb", "cached" 13753 }; 13754 13755 private final void dumpApplicationMemoryUsageHeader(PrintWriter pw, long uptime, 13756 long realtime, boolean isCheckinRequest, boolean isCompact) { 13757 if (isCheckinRequest || isCompact) { 13758 // short checkin version 13759 pw.print("time,"); pw.print(uptime); pw.print(","); pw.println(realtime); 13760 } else { 13761 pw.println("Applications Memory Usage (kB):"); 13762 pw.println("Uptime: " + uptime + " Realtime: " + realtime); 13763 } 13764 } 13765 13766 final void dumpApplicationMemoryUsage(FileDescriptor fd, 13767 PrintWriter pw, String prefix, String[] args, boolean brief, PrintWriter categoryPw) { 13768 boolean dumpDetails = false; 13769 boolean dumpFullDetails = false; 13770 boolean dumpDalvik = false; 13771 boolean oomOnly = false; 13772 boolean isCompact = false; 13773 boolean localOnly = false; 13774 13775 int opti = 0; 13776 while (opti < args.length) { 13777 String opt = args[opti]; 13778 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 13779 break; 13780 } 13781 opti++; 13782 if ("-a".equals(opt)) { 13783 dumpDetails = true; 13784 dumpFullDetails = true; 13785 dumpDalvik = true; 13786 } else if ("-d".equals(opt)) { 13787 dumpDalvik = true; 13788 } else if ("-c".equals(opt)) { 13789 isCompact = true; 13790 } else if ("--oom".equals(opt)) { 13791 oomOnly = true; 13792 } else if ("--local".equals(opt)) { 13793 localOnly = true; 13794 } else if ("-h".equals(opt)) { 13795 pw.println("meminfo dump options: [-a] [-d] [-c] [--oom] [process]"); 13796 pw.println(" -a: include all available information for each process."); 13797 pw.println(" -d: include dalvik details when dumping process details."); 13798 pw.println(" -c: dump in a compact machine-parseable representation."); 13799 pw.println(" --oom: only show processes organized by oom adj."); 13800 pw.println(" --local: only collect details locally, don't call process."); 13801 pw.println("If [process] is specified it can be the name or "); 13802 pw.println("pid of a specific process to dump."); 13803 return; 13804 } else { 13805 pw.println("Unknown argument: " + opt + "; use -h for help"); 13806 } 13807 } 13808 13809 final boolean isCheckinRequest = scanArgs(args, "--checkin"); 13810 long uptime = SystemClock.uptimeMillis(); 13811 long realtime = SystemClock.elapsedRealtime(); 13812 final long[] tmpLong = new long[1]; 13813 13814 ArrayList<ProcessRecord> procs = collectProcesses(pw, opti, args); 13815 if (procs == null) { 13816 // No Java processes. Maybe they want to print a native process. 13817 if (args != null && args.length > opti 13818 && args[opti].charAt(0) != '-') { 13819 ArrayList<ProcessCpuTracker.Stats> nativeProcs 13820 = new ArrayList<ProcessCpuTracker.Stats>(); 13821 updateCpuStatsNow(); 13822 int findPid = -1; 13823 try { 13824 findPid = Integer.parseInt(args[opti]); 13825 } catch (NumberFormatException e) { 13826 } 13827 synchronized (mProcessCpuTracker) { 13828 final int N = mProcessCpuTracker.countStats(); 13829 for (int i=0; i<N; i++) { 13830 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 13831 if (st.pid == findPid || (st.baseName != null 13832 && st.baseName.equals(args[opti]))) { 13833 nativeProcs.add(st); 13834 } 13835 } 13836 } 13837 if (nativeProcs.size() > 0) { 13838 dumpApplicationMemoryUsageHeader(pw, uptime, realtime, isCheckinRequest, 13839 isCompact); 13840 Debug.MemoryInfo mi = null; 13841 for (int i = nativeProcs.size() - 1 ; i >= 0 ; i--) { 13842 final ProcessCpuTracker.Stats r = nativeProcs.get(i); 13843 final int pid = r.pid; 13844 if (!isCheckinRequest && dumpDetails) { 13845 pw.println("\n** MEMINFO in pid " + pid + " [" + r.baseName + "] **"); 13846 } 13847 if (mi == null) { 13848 mi = new Debug.MemoryInfo(); 13849 } 13850 if (dumpDetails || (!brief && !oomOnly)) { 13851 Debug.getMemoryInfo(pid, mi); 13852 } else { 13853 mi.dalvikPss = (int)Debug.getPss(pid, tmpLong); 13854 mi.dalvikPrivateDirty = (int)tmpLong[0]; 13855 } 13856 ActivityThread.dumpMemInfoTable(pw, mi, isCheckinRequest, dumpFullDetails, 13857 dumpDalvik, pid, r.baseName, 0, 0, 0, 0, 0, 0); 13858 if (isCheckinRequest) { 13859 pw.println(); 13860 } 13861 } 13862 return; 13863 } 13864 } 13865 pw.println("No process found for: " + args[opti]); 13866 return; 13867 } 13868 13869 if (!brief && !oomOnly && (procs.size() == 1 || isCheckinRequest)) { 13870 dumpDetails = true; 13871 } 13872 13873 dumpApplicationMemoryUsageHeader(pw, uptime, realtime, isCheckinRequest, isCompact); 13874 13875 String[] innerArgs = new String[args.length-opti]; 13876 System.arraycopy(args, opti, innerArgs, 0, args.length-opti); 13877 13878 ArrayList<MemItem> procMems = new ArrayList<MemItem>(); 13879 final SparseArray<MemItem> procMemsMap = new SparseArray<MemItem>(); 13880 long nativePss=0, dalvikPss=0, otherPss=0; 13881 long[] miscPss = new long[Debug.MemoryInfo.NUM_OTHER_STATS]; 13882 13883 long oomPss[] = new long[DUMP_MEM_OOM_LABEL.length]; 13884 ArrayList<MemItem>[] oomProcs = (ArrayList<MemItem>[]) 13885 new ArrayList[DUMP_MEM_OOM_LABEL.length]; 13886 13887 long totalPss = 0; 13888 long cachedPss = 0; 13889 13890 Debug.MemoryInfo mi = null; 13891 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13892 final ProcessRecord r = procs.get(i); 13893 final IApplicationThread thread; 13894 final int pid; 13895 final int oomAdj; 13896 final boolean hasActivities; 13897 synchronized (this) { 13898 thread = r.thread; 13899 pid = r.pid; 13900 oomAdj = r.getSetAdjWithServices(); 13901 hasActivities = r.activities.size() > 0; 13902 } 13903 if (thread != null) { 13904 if (!isCheckinRequest && dumpDetails) { 13905 pw.println("\n** MEMINFO in pid " + pid + " [" + r.processName + "] **"); 13906 } 13907 if (mi == null) { 13908 mi = new Debug.MemoryInfo(); 13909 } 13910 if (dumpDetails || (!brief && !oomOnly)) { 13911 Debug.getMemoryInfo(pid, mi); 13912 } else { 13913 mi.dalvikPss = (int)Debug.getPss(pid, tmpLong); 13914 mi.dalvikPrivateDirty = (int)tmpLong[0]; 13915 } 13916 if (dumpDetails) { 13917 if (localOnly) { 13918 ActivityThread.dumpMemInfoTable(pw, mi, isCheckinRequest, dumpFullDetails, 13919 dumpDalvik, pid, r.processName, 0, 0, 0, 0, 0, 0); 13920 if (isCheckinRequest) { 13921 pw.println(); 13922 } 13923 } else { 13924 try { 13925 pw.flush(); 13926 thread.dumpMemInfo(fd, mi, isCheckinRequest, dumpFullDetails, 13927 dumpDalvik, innerArgs); 13928 } catch (RemoteException e) { 13929 if (!isCheckinRequest) { 13930 pw.println("Got RemoteException!"); 13931 pw.flush(); 13932 } 13933 } 13934 } 13935 } 13936 13937 final long myTotalPss = mi.getTotalPss(); 13938 final long myTotalUss = mi.getTotalUss(); 13939 13940 synchronized (this) { 13941 if (r.thread != null && oomAdj == r.getSetAdjWithServices()) { 13942 // Record this for posterity if the process has been stable. 13943 r.baseProcessTracker.addPss(myTotalPss, myTotalUss, true, r.pkgList); 13944 } 13945 } 13946 13947 if (!isCheckinRequest && mi != null) { 13948 totalPss += myTotalPss; 13949 MemItem pssItem = new MemItem(r.processName + " (pid " + pid + 13950 (hasActivities ? " / activities)" : ")"), 13951 r.processName, myTotalPss, pid, hasActivities); 13952 procMems.add(pssItem); 13953 procMemsMap.put(pid, pssItem); 13954 13955 nativePss += mi.nativePss; 13956 dalvikPss += mi.dalvikPss; 13957 otherPss += mi.otherPss; 13958 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13959 long mem = mi.getOtherPss(j); 13960 miscPss[j] += mem; 13961 otherPss -= mem; 13962 } 13963 13964 if (oomAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 13965 cachedPss += myTotalPss; 13966 } 13967 13968 for (int oomIndex=0; oomIndex<oomPss.length; oomIndex++) { 13969 if (oomAdj <= DUMP_MEM_OOM_ADJ[oomIndex] 13970 || oomIndex == (oomPss.length-1)) { 13971 oomPss[oomIndex] += myTotalPss; 13972 if (oomProcs[oomIndex] == null) { 13973 oomProcs[oomIndex] = new ArrayList<MemItem>(); 13974 } 13975 oomProcs[oomIndex].add(pssItem); 13976 break; 13977 } 13978 } 13979 } 13980 } 13981 } 13982 13983 long nativeProcTotalPss = 0; 13984 13985 if (!isCheckinRequest && procs.size() > 1) { 13986 // If we are showing aggregations, also look for native processes to 13987 // include so that our aggregations are more accurate. 13988 updateCpuStatsNow(); 13989 synchronized (mProcessCpuTracker) { 13990 final int N = mProcessCpuTracker.countStats(); 13991 for (int i=0; i<N; i++) { 13992 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 13993 if (st.vsize > 0 && procMemsMap.indexOfKey(st.pid) < 0) { 13994 if (mi == null) { 13995 mi = new Debug.MemoryInfo(); 13996 } 13997 if (!brief && !oomOnly) { 13998 Debug.getMemoryInfo(st.pid, mi); 13999 } else { 14000 mi.nativePss = (int)Debug.getPss(st.pid, tmpLong); 14001 mi.nativePrivateDirty = (int)tmpLong[0]; 14002 } 14003 14004 final long myTotalPss = mi.getTotalPss(); 14005 totalPss += myTotalPss; 14006 nativeProcTotalPss += myTotalPss; 14007 14008 MemItem pssItem = new MemItem(st.name + " (pid " + st.pid + ")", 14009 st.name, myTotalPss, st.pid, false); 14010 procMems.add(pssItem); 14011 14012 nativePss += mi.nativePss; 14013 dalvikPss += mi.dalvikPss; 14014 otherPss += mi.otherPss; 14015 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 14016 long mem = mi.getOtherPss(j); 14017 miscPss[j] += mem; 14018 otherPss -= mem; 14019 } 14020 oomPss[0] += myTotalPss; 14021 if (oomProcs[0] == null) { 14022 oomProcs[0] = new ArrayList<MemItem>(); 14023 } 14024 oomProcs[0].add(pssItem); 14025 } 14026 } 14027 } 14028 14029 ArrayList<MemItem> catMems = new ArrayList<MemItem>(); 14030 14031 catMems.add(new MemItem("Native", "Native", nativePss, -1)); 14032 catMems.add(new MemItem("Dalvik", "Dalvik", dalvikPss, -2)); 14033 catMems.add(new MemItem("Unknown", "Unknown", otherPss, -3)); 14034 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 14035 String label = Debug.MemoryInfo.getOtherLabel(j); 14036 catMems.add(new MemItem(label, label, miscPss[j], j)); 14037 } 14038 14039 ArrayList<MemItem> oomMems = new ArrayList<MemItem>(); 14040 for (int j=0; j<oomPss.length; j++) { 14041 if (oomPss[j] != 0) { 14042 String label = isCompact ? DUMP_MEM_OOM_COMPACT_LABEL[j] 14043 : DUMP_MEM_OOM_LABEL[j]; 14044 MemItem item = new MemItem(label, label, oomPss[j], 14045 DUMP_MEM_OOM_ADJ[j]); 14046 item.subitems = oomProcs[j]; 14047 oomMems.add(item); 14048 } 14049 } 14050 14051 if (!brief && !oomOnly && !isCompact) { 14052 pw.println(); 14053 pw.println("Total PSS by process:"); 14054 dumpMemItems(pw, " ", "proc", procMems, true, isCompact); 14055 pw.println(); 14056 } 14057 if (!isCompact) { 14058 pw.println("Total PSS by OOM adjustment:"); 14059 } 14060 dumpMemItems(pw, " ", "oom", oomMems, false, isCompact); 14061 if (!brief && !oomOnly) { 14062 PrintWriter out = categoryPw != null ? categoryPw : pw; 14063 if (!isCompact) { 14064 out.println(); 14065 out.println("Total PSS by category:"); 14066 } 14067 dumpMemItems(out, " ", "cat", catMems, true, isCompact); 14068 } 14069 if (!isCompact) { 14070 pw.println(); 14071 } 14072 MemInfoReader memInfo = new MemInfoReader(); 14073 memInfo.readMemInfo(); 14074 if (nativeProcTotalPss > 0) { 14075 synchronized (this) { 14076 mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(), 14077 memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(), 14078 memInfo.getBuffersSizeKb()+memInfo.getShmemSizeKb()+memInfo.getSlabSizeKb(), 14079 nativeProcTotalPss); 14080 } 14081 } 14082 if (!brief) { 14083 if (!isCompact) { 14084 pw.print("Total RAM: "); pw.print(memInfo.getTotalSizeKb()); 14085 pw.print(" kB (status "); 14086 switch (mLastMemoryLevel) { 14087 case ProcessStats.ADJ_MEM_FACTOR_NORMAL: 14088 pw.println("normal)"); 14089 break; 14090 case ProcessStats.ADJ_MEM_FACTOR_MODERATE: 14091 pw.println("moderate)"); 14092 break; 14093 case ProcessStats.ADJ_MEM_FACTOR_LOW: 14094 pw.println("low)"); 14095 break; 14096 case ProcessStats.ADJ_MEM_FACTOR_CRITICAL: 14097 pw.println("critical)"); 14098 break; 14099 default: 14100 pw.print(mLastMemoryLevel); 14101 pw.println(")"); 14102 break; 14103 } 14104 pw.print(" Free RAM: "); pw.print(cachedPss + memInfo.getCachedSizeKb() 14105 + memInfo.getFreeSizeKb()); pw.print(" kB ("); 14106 pw.print(cachedPss); pw.print(" cached pss + "); 14107 pw.print(memInfo.getCachedSizeKb()); pw.print(" cached + "); 14108 pw.print(memInfo.getFreeSizeKb()); pw.println(" free)"); 14109 } else { 14110 pw.print("ram,"); pw.print(memInfo.getTotalSizeKb()); pw.print(","); 14111 pw.print(cachedPss + memInfo.getCachedSizeKb() 14112 + memInfo.getFreeSizeKb()); pw.print(","); 14113 pw.println(totalPss - cachedPss); 14114 } 14115 } 14116 if (!isCompact) { 14117 pw.print(" Used RAM: "); pw.print(totalPss - cachedPss 14118 + memInfo.getBuffersSizeKb() + memInfo.getShmemSizeKb() 14119 + memInfo.getSlabSizeKb()); pw.print(" kB ("); 14120 pw.print(totalPss - cachedPss); pw.print(" used pss + "); 14121 pw.print(memInfo.getBuffersSizeKb()); pw.print(" buffers + "); 14122 pw.print(memInfo.getShmemSizeKb()); pw.print(" shmem + "); 14123 pw.print(memInfo.getSlabSizeKb()); pw.println(" slab)"); 14124 pw.print(" Lost RAM: "); pw.print(memInfo.getTotalSizeKb() 14125 - totalPss - memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb() 14126 - memInfo.getBuffersSizeKb() - memInfo.getShmemSizeKb() 14127 - memInfo.getSlabSizeKb()); pw.println(" kB"); 14128 } 14129 if (!brief) { 14130 if (memInfo.getZramTotalSizeKb() != 0) { 14131 if (!isCompact) { 14132 pw.print(" ZRAM: "); pw.print(memInfo.getZramTotalSizeKb()); 14133 pw.print(" kB physical used for "); 14134 pw.print(memInfo.getSwapTotalSizeKb() 14135 - memInfo.getSwapFreeSizeKb()); 14136 pw.print(" kB in swap ("); 14137 pw.print(memInfo.getSwapTotalSizeKb()); 14138 pw.println(" kB total swap)"); 14139 } else { 14140 pw.print("zram,"); pw.print(memInfo.getZramTotalSizeKb()); pw.print(","); 14141 pw.print(memInfo.getSwapTotalSizeKb()); pw.print(","); 14142 pw.println(memInfo.getSwapFreeSizeKb()); 14143 } 14144 } 14145 final int[] SINGLE_LONG_FORMAT = new int[] { 14146 Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG 14147 }; 14148 long[] longOut = new long[1]; 14149 Process.readProcFile("/sys/kernel/mm/ksm/pages_shared", 14150 SINGLE_LONG_FORMAT, null, longOut, null); 14151 long shared = longOut[0] * ProcessList.PAGE_SIZE / 1024; 14152 longOut[0] = 0; 14153 Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing", 14154 SINGLE_LONG_FORMAT, null, longOut, null); 14155 long sharing = longOut[0] * ProcessList.PAGE_SIZE / 1024; 14156 longOut[0] = 0; 14157 Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared", 14158 SINGLE_LONG_FORMAT, null, longOut, null); 14159 long unshared = longOut[0] * ProcessList.PAGE_SIZE / 1024; 14160 longOut[0] = 0; 14161 Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile", 14162 SINGLE_LONG_FORMAT, null, longOut, null); 14163 long voltile = longOut[0] * ProcessList.PAGE_SIZE / 1024; 14164 if (!isCompact) { 14165 if (sharing != 0 || shared != 0 || unshared != 0 || voltile != 0) { 14166 pw.print(" KSM: "); pw.print(sharing); 14167 pw.print(" kB saved from shared "); 14168 pw.print(shared); pw.println(" kB"); 14169 pw.print(" "); pw.print(unshared); pw.print(" kB unshared; "); 14170 pw.print(voltile); pw.println(" kB volatile"); 14171 } 14172 pw.print(" Tuning: "); 14173 pw.print(ActivityManager.staticGetMemoryClass()); 14174 pw.print(" (large "); 14175 pw.print(ActivityManager.staticGetLargeMemoryClass()); 14176 pw.print("), oom "); 14177 pw.print(mProcessList.getMemLevel(ProcessList.CACHED_APP_MAX_ADJ)/1024); 14178 pw.print(" kB"); 14179 pw.print(", restore limit "); 14180 pw.print(mProcessList.getCachedRestoreThresholdKb()); 14181 pw.print(" kB"); 14182 if (ActivityManager.isLowRamDeviceStatic()) { 14183 pw.print(" (low-ram)"); 14184 } 14185 if (ActivityManager.isHighEndGfx()) { 14186 pw.print(" (high-end-gfx)"); 14187 } 14188 pw.println(); 14189 } else { 14190 pw.print("ksm,"); pw.print(sharing); pw.print(","); 14191 pw.print(shared); pw.print(","); pw.print(unshared); pw.print(","); 14192 pw.println(voltile); 14193 pw.print("tuning,"); 14194 pw.print(ActivityManager.staticGetMemoryClass()); 14195 pw.print(','); 14196 pw.print(ActivityManager.staticGetLargeMemoryClass()); 14197 pw.print(','); 14198 pw.print(mProcessList.getMemLevel(ProcessList.CACHED_APP_MAX_ADJ)/1024); 14199 if (ActivityManager.isLowRamDeviceStatic()) { 14200 pw.print(",low-ram"); 14201 } 14202 if (ActivityManager.isHighEndGfx()) { 14203 pw.print(",high-end-gfx"); 14204 } 14205 pw.println(); 14206 } 14207 } 14208 } 14209 } 14210 14211 /** 14212 * Searches array of arguments for the specified string 14213 * @param args array of argument strings 14214 * @param value value to search for 14215 * @return true if the value is contained in the array 14216 */ 14217 private static boolean scanArgs(String[] args, String value) { 14218 if (args != null) { 14219 for (String arg : args) { 14220 if (value.equals(arg)) { 14221 return true; 14222 } 14223 } 14224 } 14225 return false; 14226 } 14227 14228 private final boolean removeDyingProviderLocked(ProcessRecord proc, 14229 ContentProviderRecord cpr, boolean always) { 14230 final boolean inLaunching = mLaunchingProviders.contains(cpr); 14231 14232 if (!inLaunching || always) { 14233 synchronized (cpr) { 14234 cpr.launchingApp = null; 14235 cpr.notifyAll(); 14236 } 14237 mProviderMap.removeProviderByClass(cpr.name, UserHandle.getUserId(cpr.uid)); 14238 String names[] = cpr.info.authority.split(";"); 14239 for (int j = 0; j < names.length; j++) { 14240 mProviderMap.removeProviderByName(names[j], UserHandle.getUserId(cpr.uid)); 14241 } 14242 } 14243 14244 for (int i=0; i<cpr.connections.size(); i++) { 14245 ContentProviderConnection conn = cpr.connections.get(i); 14246 if (conn.waiting) { 14247 // If this connection is waiting for the provider, then we don't 14248 // need to mess with its process unless we are always removing 14249 // or for some reason the provider is not currently launching. 14250 if (inLaunching && !always) { 14251 continue; 14252 } 14253 } 14254 ProcessRecord capp = conn.client; 14255 conn.dead = true; 14256 if (conn.stableCount > 0) { 14257 if (!capp.persistent && capp.thread != null 14258 && capp.pid != 0 14259 && capp.pid != MY_PID) { 14260 capp.kill("depends on provider " 14261 + cpr.name.flattenToShortString() 14262 + " in dying proc " + (proc != null ? proc.processName : "??"), true); 14263 } 14264 } else if (capp.thread != null && conn.provider.provider != null) { 14265 try { 14266 capp.thread.unstableProviderDied(conn.provider.provider.asBinder()); 14267 } catch (RemoteException e) { 14268 } 14269 // In the protocol here, we don't expect the client to correctly 14270 // clean up this connection, we'll just remove it. 14271 cpr.connections.remove(i); 14272 conn.client.conProviders.remove(conn); 14273 } 14274 } 14275 14276 if (inLaunching && always) { 14277 mLaunchingProviders.remove(cpr); 14278 } 14279 return inLaunching; 14280 } 14281 14282 /** 14283 * Main code for cleaning up a process when it has gone away. This is 14284 * called both as a result of the process dying, or directly when stopping 14285 * a process when running in single process mode. 14286 */ 14287 private final void cleanUpApplicationRecordLocked(ProcessRecord app, 14288 boolean restarting, boolean allowRestart, int index) { 14289 if (index >= 0) { 14290 removeLruProcessLocked(app); 14291 ProcessList.remove(app.pid); 14292 } 14293 14294 mProcessesToGc.remove(app); 14295 mPendingPssProcesses.remove(app); 14296 14297 // Dismiss any open dialogs. 14298 if (app.crashDialog != null && !app.forceCrashReport) { 14299 app.crashDialog.dismiss(); 14300 app.crashDialog = null; 14301 } 14302 if (app.anrDialog != null) { 14303 app.anrDialog.dismiss(); 14304 app.anrDialog = null; 14305 } 14306 if (app.waitDialog != null) { 14307 app.waitDialog.dismiss(); 14308 app.waitDialog = null; 14309 } 14310 14311 app.crashing = false; 14312 app.notResponding = false; 14313 14314 app.resetPackageList(mProcessStats); 14315 app.unlinkDeathRecipient(); 14316 app.makeInactive(mProcessStats); 14317 app.waitingToKill = null; 14318 app.forcingToForeground = null; 14319 updateProcessForegroundLocked(app, false, false); 14320 app.foregroundActivities = false; 14321 app.hasShownUi = false; 14322 app.treatLikeActivity = false; 14323 app.hasAboveClient = false; 14324 app.hasClientActivities = false; 14325 14326 mServices.killServicesLocked(app, allowRestart); 14327 14328 boolean restart = false; 14329 14330 // Remove published content providers. 14331 for (int i=app.pubProviders.size()-1; i>=0; i--) { 14332 ContentProviderRecord cpr = app.pubProviders.valueAt(i); 14333 final boolean always = app.bad || !allowRestart; 14334 if (removeDyingProviderLocked(app, cpr, always) || always) { 14335 // We left the provider in the launching list, need to 14336 // restart it. 14337 restart = true; 14338 } 14339 14340 cpr.provider = null; 14341 cpr.proc = null; 14342 } 14343 app.pubProviders.clear(); 14344 14345 // Take care of any launching providers waiting for this process. 14346 if (checkAppInLaunchingProvidersLocked(app, false)) { 14347 restart = true; 14348 } 14349 14350 // Unregister from connected content providers. 14351 if (!app.conProviders.isEmpty()) { 14352 for (int i=0; i<app.conProviders.size(); i++) { 14353 ContentProviderConnection conn = app.conProviders.get(i); 14354 conn.provider.connections.remove(conn); 14355 } 14356 app.conProviders.clear(); 14357 } 14358 14359 // At this point there may be remaining entries in mLaunchingProviders 14360 // where we were the only one waiting, so they are no longer of use. 14361 // Look for these and clean up if found. 14362 // XXX Commented out for now. Trying to figure out a way to reproduce 14363 // the actual situation to identify what is actually going on. 14364 if (false) { 14365 for (int i=0; i<mLaunchingProviders.size(); i++) { 14366 ContentProviderRecord cpr = (ContentProviderRecord) 14367 mLaunchingProviders.get(i); 14368 if (cpr.connections.size() <= 0 && !cpr.hasExternalProcessHandles()) { 14369 synchronized (cpr) { 14370 cpr.launchingApp = null; 14371 cpr.notifyAll(); 14372 } 14373 } 14374 } 14375 } 14376 14377 skipCurrentReceiverLocked(app); 14378 14379 // Unregister any receivers. 14380 for (int i=app.receivers.size()-1; i>=0; i--) { 14381 removeReceiverLocked(app.receivers.valueAt(i)); 14382 } 14383 app.receivers.clear(); 14384 14385 // If the app is undergoing backup, tell the backup manager about it 14386 if (mBackupTarget != null && app.pid == mBackupTarget.app.pid) { 14387 if (DEBUG_BACKUP || DEBUG_CLEANUP) Slog.d(TAG, "App " 14388 + mBackupTarget.appInfo + " died during backup"); 14389 try { 14390 IBackupManager bm = IBackupManager.Stub.asInterface( 14391 ServiceManager.getService(Context.BACKUP_SERVICE)); 14392 bm.agentDisconnected(app.info.packageName); 14393 } catch (RemoteException e) { 14394 // can't happen; backup manager is local 14395 } 14396 } 14397 14398 for (int i = mPendingProcessChanges.size()-1; i>=0; i--) { 14399 ProcessChangeItem item = mPendingProcessChanges.get(i); 14400 if (item.pid == app.pid) { 14401 mPendingProcessChanges.remove(i); 14402 mAvailProcessChanges.add(item); 14403 } 14404 } 14405 mHandler.obtainMessage(DISPATCH_PROCESS_DIED, app.pid, app.info.uid, null).sendToTarget(); 14406 14407 // If the caller is restarting this app, then leave it in its 14408 // current lists and let the caller take care of it. 14409 if (restarting) { 14410 return; 14411 } 14412 14413 if (!app.persistent || app.isolated) { 14414 if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, 14415 "Removing non-persistent process during cleanup: " + app); 14416 mProcessNames.remove(app.processName, app.uid); 14417 mIsolatedProcesses.remove(app.uid); 14418 if (mHeavyWeightProcess == app) { 14419 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 14420 mHeavyWeightProcess.userId, 0)); 14421 mHeavyWeightProcess = null; 14422 } 14423 } else if (!app.removed) { 14424 // This app is persistent, so we need to keep its record around. 14425 // If it is not already on the pending app list, add it there 14426 // and start a new process for it. 14427 if (mPersistentStartingProcesses.indexOf(app) < 0) { 14428 mPersistentStartingProcesses.add(app); 14429 restart = true; 14430 } 14431 } 14432 if ((DEBUG_PROCESSES || DEBUG_CLEANUP) && mProcessesOnHold.contains(app)) Slog.v(TAG, 14433 "Clean-up removing on hold: " + app); 14434 mProcessesOnHold.remove(app); 14435 14436 if (app == mHomeProcess) { 14437 mHomeProcess = null; 14438 } 14439 if (app == mPreviousProcess) { 14440 mPreviousProcess = null; 14441 } 14442 14443 if (restart && !app.isolated) { 14444 // We have components that still need to be running in the 14445 // process, so re-launch it. 14446 mProcessNames.put(app.processName, app.uid, app); 14447 startProcessLocked(app, "restart", app.processName); 14448 } else if (app.pid > 0 && app.pid != MY_PID) { 14449 // Goodbye! 14450 boolean removed; 14451 synchronized (mPidsSelfLocked) { 14452 mPidsSelfLocked.remove(app.pid); 14453 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 14454 } 14455 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 14456 if (app.isolated) { 14457 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 14458 } 14459 app.setPid(0); 14460 } 14461 } 14462 14463 boolean checkAppInLaunchingProvidersLocked(ProcessRecord app, boolean alwaysBad) { 14464 // Look through the content providers we are waiting to have launched, 14465 // and if any run in this process then either schedule a restart of 14466 // the process or kill the client waiting for it if this process has 14467 // gone bad. 14468 int NL = mLaunchingProviders.size(); 14469 boolean restart = false; 14470 for (int i=0; i<NL; i++) { 14471 ContentProviderRecord cpr = mLaunchingProviders.get(i); 14472 if (cpr.launchingApp == app) { 14473 if (!alwaysBad && !app.bad) { 14474 restart = true; 14475 } else { 14476 removeDyingProviderLocked(app, cpr, true); 14477 // cpr should have been removed from mLaunchingProviders 14478 NL = mLaunchingProviders.size(); 14479 i--; 14480 } 14481 } 14482 } 14483 return restart; 14484 } 14485 14486 // ========================================================= 14487 // SERVICES 14488 // ========================================================= 14489 14490 @Override 14491 public List<ActivityManager.RunningServiceInfo> getServices(int maxNum, 14492 int flags) { 14493 enforceNotIsolatedCaller("getServices"); 14494 synchronized (this) { 14495 return mServices.getRunningServiceInfoLocked(maxNum, flags); 14496 } 14497 } 14498 14499 @Override 14500 public PendingIntent getRunningServiceControlPanel(ComponentName name) { 14501 enforceNotIsolatedCaller("getRunningServiceControlPanel"); 14502 synchronized (this) { 14503 return mServices.getRunningServiceControlPanelLocked(name); 14504 } 14505 } 14506 14507 @Override 14508 public ComponentName startService(IApplicationThread caller, Intent service, 14509 String resolvedType, int userId) { 14510 enforceNotIsolatedCaller("startService"); 14511 // Refuse possible leaked file descriptors 14512 if (service != null && service.hasFileDescriptors() == true) { 14513 throw new IllegalArgumentException("File descriptors passed in Intent"); 14514 } 14515 14516 if (DEBUG_SERVICE) 14517 Slog.v(TAG, "startService: " + service + " type=" + resolvedType); 14518 synchronized(this) { 14519 final int callingPid = Binder.getCallingPid(); 14520 final int callingUid = Binder.getCallingUid(); 14521 final long origId = Binder.clearCallingIdentity(); 14522 ComponentName res = mServices.startServiceLocked(caller, service, 14523 resolvedType, callingPid, callingUid, userId); 14524 Binder.restoreCallingIdentity(origId); 14525 return res; 14526 } 14527 } 14528 14529 ComponentName startServiceInPackage(int uid, 14530 Intent service, String resolvedType, int userId) { 14531 synchronized(this) { 14532 if (DEBUG_SERVICE) 14533 Slog.v(TAG, "startServiceInPackage: " + service + " type=" + resolvedType); 14534 final long origId = Binder.clearCallingIdentity(); 14535 ComponentName res = mServices.startServiceLocked(null, service, 14536 resolvedType, -1, uid, userId); 14537 Binder.restoreCallingIdentity(origId); 14538 return res; 14539 } 14540 } 14541 14542 @Override 14543 public int stopService(IApplicationThread caller, Intent service, 14544 String resolvedType, int userId) { 14545 enforceNotIsolatedCaller("stopService"); 14546 // Refuse possible leaked file descriptors 14547 if (service != null && service.hasFileDescriptors() == true) { 14548 throw new IllegalArgumentException("File descriptors passed in Intent"); 14549 } 14550 14551 synchronized(this) { 14552 return mServices.stopServiceLocked(caller, service, resolvedType, userId); 14553 } 14554 } 14555 14556 @Override 14557 public IBinder peekService(Intent service, String resolvedType) { 14558 enforceNotIsolatedCaller("peekService"); 14559 // Refuse possible leaked file descriptors 14560 if (service != null && service.hasFileDescriptors() == true) { 14561 throw new IllegalArgumentException("File descriptors passed in Intent"); 14562 } 14563 synchronized(this) { 14564 return mServices.peekServiceLocked(service, resolvedType); 14565 } 14566 } 14567 14568 @Override 14569 public boolean stopServiceToken(ComponentName className, IBinder token, 14570 int startId) { 14571 synchronized(this) { 14572 return mServices.stopServiceTokenLocked(className, token, startId); 14573 } 14574 } 14575 14576 @Override 14577 public void setServiceForeground(ComponentName className, IBinder token, 14578 int id, Notification notification, boolean removeNotification) { 14579 synchronized(this) { 14580 mServices.setServiceForegroundLocked(className, token, id, notification, 14581 removeNotification); 14582 } 14583 } 14584 14585 @Override 14586 public int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, 14587 boolean requireFull, String name, String callerPackage) { 14588 return handleIncomingUser(callingPid, callingUid, userId, allowAll, 14589 requireFull ? ALLOW_FULL_ONLY : ALLOW_NON_FULL, name, callerPackage); 14590 } 14591 14592 int unsafeConvertIncomingUser(int userId) { 14593 return (userId == UserHandle.USER_CURRENT || userId == UserHandle.USER_CURRENT_OR_SELF) 14594 ? mCurrentUserId : userId; 14595 } 14596 14597 int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, 14598 int allowMode, String name, String callerPackage) { 14599 final int callingUserId = UserHandle.getUserId(callingUid); 14600 if (callingUserId == userId) { 14601 return userId; 14602 } 14603 14604 // Note that we may be accessing mCurrentUserId outside of a lock... 14605 // shouldn't be a big deal, if this is being called outside 14606 // of a locked context there is intrinsically a race with 14607 // the value the caller will receive and someone else changing it. 14608 // We assume that USER_CURRENT_OR_SELF will use the current user; later 14609 // we will switch to the calling user if access to the current user fails. 14610 int targetUserId = unsafeConvertIncomingUser(userId); 14611 14612 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 14613 final boolean allow; 14614 if (checkComponentPermission(INTERACT_ACROSS_USERS_FULL, callingPid, 14615 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED) { 14616 // If the caller has this permission, they always pass go. And collect $200. 14617 allow = true; 14618 } else if (allowMode == ALLOW_FULL_ONLY) { 14619 // We require full access, sucks to be you. 14620 allow = false; 14621 } else if (checkComponentPermission(INTERACT_ACROSS_USERS, callingPid, 14622 callingUid, -1, true) != PackageManager.PERMISSION_GRANTED) { 14623 // If the caller does not have either permission, they are always doomed. 14624 allow = false; 14625 } else if (allowMode == ALLOW_NON_FULL) { 14626 // We are blanket allowing non-full access, you lucky caller! 14627 allow = true; 14628 } else if (allowMode == ALLOW_NON_FULL_IN_PROFILE) { 14629 // We may or may not allow this depending on whether the two users are 14630 // in the same profile. 14631 synchronized (mUserProfileGroupIdsSelfLocked) { 14632 int callingProfile = mUserProfileGroupIdsSelfLocked.get(callingUserId, 14633 UserInfo.NO_PROFILE_GROUP_ID); 14634 int targetProfile = mUserProfileGroupIdsSelfLocked.get(targetUserId, 14635 UserInfo.NO_PROFILE_GROUP_ID); 14636 allow = callingProfile != UserInfo.NO_PROFILE_GROUP_ID 14637 && callingProfile == targetProfile; 14638 } 14639 } else { 14640 throw new IllegalArgumentException("Unknown mode: " + allowMode); 14641 } 14642 if (!allow) { 14643 if (userId == UserHandle.USER_CURRENT_OR_SELF) { 14644 // In this case, they would like to just execute as their 14645 // owner user instead of failing. 14646 targetUserId = callingUserId; 14647 } else { 14648 StringBuilder builder = new StringBuilder(128); 14649 builder.append("Permission Denial: "); 14650 builder.append(name); 14651 if (callerPackage != null) { 14652 builder.append(" from "); 14653 builder.append(callerPackage); 14654 } 14655 builder.append(" asks to run as user "); 14656 builder.append(userId); 14657 builder.append(" but is calling from user "); 14658 builder.append(UserHandle.getUserId(callingUid)); 14659 builder.append("; this requires "); 14660 builder.append(INTERACT_ACROSS_USERS_FULL); 14661 if (allowMode != ALLOW_FULL_ONLY) { 14662 builder.append(" or "); 14663 builder.append(INTERACT_ACROSS_USERS); 14664 } 14665 String msg = builder.toString(); 14666 Slog.w(TAG, msg); 14667 throw new SecurityException(msg); 14668 } 14669 } 14670 } 14671 if (!allowAll && targetUserId < 0) { 14672 throw new IllegalArgumentException( 14673 "Call does not support special user #" + targetUserId); 14674 } 14675 // Check shell permission 14676 if (callingUid == Process.SHELL_UID && targetUserId >= UserHandle.USER_OWNER) { 14677 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, 14678 targetUserId)) { 14679 throw new SecurityException("Shell does not have permission to access user " 14680 + targetUserId + "\n " + Debug.getCallers(3)); 14681 } 14682 } 14683 return targetUserId; 14684 } 14685 14686 boolean isSingleton(String componentProcessName, ApplicationInfo aInfo, 14687 String className, int flags) { 14688 boolean result = false; 14689 // For apps that don't have pre-defined UIDs, check for permission 14690 if (UserHandle.getAppId(aInfo.uid) >= Process.FIRST_APPLICATION_UID) { 14691 if ((flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 14692 if (ActivityManager.checkUidPermission( 14693 INTERACT_ACROSS_USERS, 14694 aInfo.uid) != PackageManager.PERMISSION_GRANTED) { 14695 ComponentName comp = new ComponentName(aInfo.packageName, className); 14696 String msg = "Permission Denial: Component " + comp.flattenToShortString() 14697 + " requests FLAG_SINGLE_USER, but app does not hold " 14698 + INTERACT_ACROSS_USERS; 14699 Slog.w(TAG, msg); 14700 throw new SecurityException(msg); 14701 } 14702 // Permission passed 14703 result = true; 14704 } 14705 } else if ("system".equals(componentProcessName)) { 14706 result = true; 14707 } else if ((flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 14708 // Phone app and persistent apps are allowed to export singleuser providers. 14709 result = UserHandle.isSameApp(aInfo.uid, Process.PHONE_UID) 14710 || (aInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0; 14711 } 14712 if (DEBUG_MU) { 14713 Slog.v(TAG, "isSingleton(" + componentProcessName + ", " + aInfo 14714 + ", " + className + ", 0x" + Integer.toHexString(flags) + ") = " + result); 14715 } 14716 return result; 14717 } 14718 14719 /** 14720 * Checks to see if the caller is in the same app as the singleton 14721 * component, or the component is in a special app. It allows special apps 14722 * to export singleton components but prevents exporting singleton 14723 * components for regular apps. 14724 */ 14725 boolean isValidSingletonCall(int callingUid, int componentUid) { 14726 int componentAppId = UserHandle.getAppId(componentUid); 14727 return UserHandle.isSameApp(callingUid, componentUid) 14728 || componentAppId == Process.SYSTEM_UID 14729 || componentAppId == Process.PHONE_UID 14730 || ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, componentUid) 14731 == PackageManager.PERMISSION_GRANTED; 14732 } 14733 14734 public int bindService(IApplicationThread caller, IBinder token, 14735 Intent service, String resolvedType, 14736 IServiceConnection connection, int flags, int userId) { 14737 enforceNotIsolatedCaller("bindService"); 14738 14739 // Refuse possible leaked file descriptors 14740 if (service != null && service.hasFileDescriptors() == true) { 14741 throw new IllegalArgumentException("File descriptors passed in Intent"); 14742 } 14743 14744 synchronized(this) { 14745 return mServices.bindServiceLocked(caller, token, service, resolvedType, 14746 connection, flags, userId); 14747 } 14748 } 14749 14750 public boolean unbindService(IServiceConnection connection) { 14751 synchronized (this) { 14752 return mServices.unbindServiceLocked(connection); 14753 } 14754 } 14755 14756 public void publishService(IBinder token, Intent intent, IBinder service) { 14757 // Refuse possible leaked file descriptors 14758 if (intent != null && intent.hasFileDescriptors() == true) { 14759 throw new IllegalArgumentException("File descriptors passed in Intent"); 14760 } 14761 14762 synchronized(this) { 14763 if (!(token instanceof ServiceRecord)) { 14764 throw new IllegalArgumentException("Invalid service token"); 14765 } 14766 mServices.publishServiceLocked((ServiceRecord)token, intent, service); 14767 } 14768 } 14769 14770 public void unbindFinished(IBinder token, Intent intent, boolean doRebind) { 14771 // Refuse possible leaked file descriptors 14772 if (intent != null && intent.hasFileDescriptors() == true) { 14773 throw new IllegalArgumentException("File descriptors passed in Intent"); 14774 } 14775 14776 synchronized(this) { 14777 mServices.unbindFinishedLocked((ServiceRecord)token, intent, doRebind); 14778 } 14779 } 14780 14781 public void serviceDoneExecuting(IBinder token, int type, int startId, int res) { 14782 synchronized(this) { 14783 if (!(token instanceof ServiceRecord)) { 14784 throw new IllegalArgumentException("Invalid service token"); 14785 } 14786 mServices.serviceDoneExecutingLocked((ServiceRecord)token, type, startId, res); 14787 } 14788 } 14789 14790 // ========================================================= 14791 // BACKUP AND RESTORE 14792 // ========================================================= 14793 14794 // Cause the target app to be launched if necessary and its backup agent 14795 // instantiated. The backup agent will invoke backupAgentCreated() on the 14796 // activity manager to announce its creation. 14797 public boolean bindBackupAgent(ApplicationInfo app, int backupMode) { 14798 if (DEBUG_BACKUP) Slog.v(TAG, "bindBackupAgent: app=" + app + " mode=" + backupMode); 14799 enforceCallingPermission("android.permission.CONFIRM_FULL_BACKUP", "bindBackupAgent"); 14800 14801 synchronized(this) { 14802 // !!! TODO: currently no check here that we're already bound 14803 BatteryStatsImpl.Uid.Pkg.Serv ss = null; 14804 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 14805 synchronized (stats) { 14806 ss = stats.getServiceStatsLocked(app.uid, app.packageName, app.name); 14807 } 14808 14809 // Backup agent is now in use, its package can't be stopped. 14810 try { 14811 AppGlobals.getPackageManager().setPackageStoppedState( 14812 app.packageName, false, UserHandle.getUserId(app.uid)); 14813 } catch (RemoteException e) { 14814 } catch (IllegalArgumentException e) { 14815 Slog.w(TAG, "Failed trying to unstop package " 14816 + app.packageName + ": " + e); 14817 } 14818 14819 BackupRecord r = new BackupRecord(ss, app, backupMode); 14820 ComponentName hostingName = (backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) 14821 ? new ComponentName(app.packageName, app.backupAgentName) 14822 : new ComponentName("android", "FullBackupAgent"); 14823 // startProcessLocked() returns existing proc's record if it's already running 14824 ProcessRecord proc = startProcessLocked(app.processName, app, 14825 false, 0, "backup", hostingName, false, false, false); 14826 if (proc == null) { 14827 Slog.e(TAG, "Unable to start backup agent process " + r); 14828 return false; 14829 } 14830 14831 r.app = proc; 14832 mBackupTarget = r; 14833 mBackupAppName = app.packageName; 14834 14835 // Try not to kill the process during backup 14836 updateOomAdjLocked(proc); 14837 14838 // If the process is already attached, schedule the creation of the backup agent now. 14839 // If it is not yet live, this will be done when it attaches to the framework. 14840 if (proc.thread != null) { 14841 if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc already running: " + proc); 14842 try { 14843 proc.thread.scheduleCreateBackupAgent(app, 14844 compatibilityInfoForPackageLocked(app), backupMode); 14845 } catch (RemoteException e) { 14846 // Will time out on the backup manager side 14847 } 14848 } else { 14849 if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc not running, waiting for attach"); 14850 } 14851 // Invariants: at this point, the target app process exists and the application 14852 // is either already running or in the process of coming up. mBackupTarget and 14853 // mBackupAppName describe the app, so that when it binds back to the AM we 14854 // know that it's scheduled for a backup-agent operation. 14855 } 14856 14857 return true; 14858 } 14859 14860 @Override 14861 public void clearPendingBackup() { 14862 if (DEBUG_BACKUP) Slog.v(TAG, "clearPendingBackup"); 14863 enforceCallingPermission("android.permission.BACKUP", "clearPendingBackup"); 14864 14865 synchronized (this) { 14866 mBackupTarget = null; 14867 mBackupAppName = null; 14868 } 14869 } 14870 14871 // A backup agent has just come up 14872 public void backupAgentCreated(String agentPackageName, IBinder agent) { 14873 if (DEBUG_BACKUP) Slog.v(TAG, "backupAgentCreated: " + agentPackageName 14874 + " = " + agent); 14875 14876 synchronized(this) { 14877 if (!agentPackageName.equals(mBackupAppName)) { 14878 Slog.e(TAG, "Backup agent created for " + agentPackageName + " but not requested!"); 14879 return; 14880 } 14881 } 14882 14883 long oldIdent = Binder.clearCallingIdentity(); 14884 try { 14885 IBackupManager bm = IBackupManager.Stub.asInterface( 14886 ServiceManager.getService(Context.BACKUP_SERVICE)); 14887 bm.agentConnected(agentPackageName, agent); 14888 } catch (RemoteException e) { 14889 // can't happen; the backup manager service is local 14890 } catch (Exception e) { 14891 Slog.w(TAG, "Exception trying to deliver BackupAgent binding: "); 14892 e.printStackTrace(); 14893 } finally { 14894 Binder.restoreCallingIdentity(oldIdent); 14895 } 14896 } 14897 14898 // done with this agent 14899 public void unbindBackupAgent(ApplicationInfo appInfo) { 14900 if (DEBUG_BACKUP) Slog.v(TAG, "unbindBackupAgent: " + appInfo); 14901 if (appInfo == null) { 14902 Slog.w(TAG, "unbind backup agent for null app"); 14903 return; 14904 } 14905 14906 synchronized(this) { 14907 try { 14908 if (mBackupAppName == null) { 14909 Slog.w(TAG, "Unbinding backup agent with no active backup"); 14910 return; 14911 } 14912 14913 if (!mBackupAppName.equals(appInfo.packageName)) { 14914 Slog.e(TAG, "Unbind of " + appInfo + " but is not the current backup target"); 14915 return; 14916 } 14917 14918 // Not backing this app up any more; reset its OOM adjustment 14919 final ProcessRecord proc = mBackupTarget.app; 14920 updateOomAdjLocked(proc); 14921 14922 // If the app crashed during backup, 'thread' will be null here 14923 if (proc.thread != null) { 14924 try { 14925 proc.thread.scheduleDestroyBackupAgent(appInfo, 14926 compatibilityInfoForPackageLocked(appInfo)); 14927 } catch (Exception e) { 14928 Slog.e(TAG, "Exception when unbinding backup agent:"); 14929 e.printStackTrace(); 14930 } 14931 } 14932 } finally { 14933 mBackupTarget = null; 14934 mBackupAppName = null; 14935 } 14936 } 14937 } 14938 // ========================================================= 14939 // BROADCASTS 14940 // ========================================================= 14941 14942 private final List getStickiesLocked(String action, IntentFilter filter, 14943 List cur, int userId) { 14944 final ContentResolver resolver = mContext.getContentResolver(); 14945 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 14946 if (stickies == null) { 14947 return cur; 14948 } 14949 final ArrayList<Intent> list = stickies.get(action); 14950 if (list == null) { 14951 return cur; 14952 } 14953 int N = list.size(); 14954 for (int i=0; i<N; i++) { 14955 Intent intent = list.get(i); 14956 if (filter.match(resolver, intent, true, TAG) >= 0) { 14957 if (cur == null) { 14958 cur = new ArrayList<Intent>(); 14959 } 14960 cur.add(intent); 14961 } 14962 } 14963 return cur; 14964 } 14965 14966 boolean isPendingBroadcastProcessLocked(int pid) { 14967 return mFgBroadcastQueue.isPendingBroadcastProcessLocked(pid) 14968 || mBgBroadcastQueue.isPendingBroadcastProcessLocked(pid); 14969 } 14970 14971 void skipPendingBroadcastLocked(int pid) { 14972 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); 14973 for (BroadcastQueue queue : mBroadcastQueues) { 14974 queue.skipPendingBroadcastLocked(pid); 14975 } 14976 } 14977 14978 // The app just attached; send any pending broadcasts that it should receive 14979 boolean sendPendingBroadcastsLocked(ProcessRecord app) { 14980 boolean didSomething = false; 14981 for (BroadcastQueue queue : mBroadcastQueues) { 14982 didSomething |= queue.sendPendingBroadcastsLocked(app); 14983 } 14984 return didSomething; 14985 } 14986 14987 public Intent registerReceiver(IApplicationThread caller, String callerPackage, 14988 IIntentReceiver receiver, IntentFilter filter, String permission, int userId) { 14989 enforceNotIsolatedCaller("registerReceiver"); 14990 int callingUid; 14991 int callingPid; 14992 synchronized(this) { 14993 ProcessRecord callerApp = null; 14994 if (caller != null) { 14995 callerApp = getRecordForAppLocked(caller); 14996 if (callerApp == null) { 14997 throw new SecurityException( 14998 "Unable to find app for caller " + caller 14999 + " (pid=" + Binder.getCallingPid() 15000 + ") when registering receiver " + receiver); 15001 } 15002 if (callerApp.info.uid != Process.SYSTEM_UID && 15003 !callerApp.pkgList.containsKey(callerPackage) && 15004 !"android".equals(callerPackage)) { 15005 throw new SecurityException("Given caller package " + callerPackage 15006 + " is not running in process " + callerApp); 15007 } 15008 callingUid = callerApp.info.uid; 15009 callingPid = callerApp.pid; 15010 } else { 15011 callerPackage = null; 15012 callingUid = Binder.getCallingUid(); 15013 callingPid = Binder.getCallingPid(); 15014 } 15015 15016 userId = this.handleIncomingUser(callingPid, callingUid, userId, 15017 true, ALLOW_FULL_ONLY, "registerReceiver", callerPackage); 15018 15019 List allSticky = null; 15020 15021 // Look for any matching sticky broadcasts... 15022 Iterator actions = filter.actionsIterator(); 15023 if (actions != null) { 15024 while (actions.hasNext()) { 15025 String action = (String)actions.next(); 15026 allSticky = getStickiesLocked(action, filter, allSticky, 15027 UserHandle.USER_ALL); 15028 allSticky = getStickiesLocked(action, filter, allSticky, 15029 UserHandle.getUserId(callingUid)); 15030 } 15031 } else { 15032 allSticky = getStickiesLocked(null, filter, allSticky, 15033 UserHandle.USER_ALL); 15034 allSticky = getStickiesLocked(null, filter, allSticky, 15035 UserHandle.getUserId(callingUid)); 15036 } 15037 15038 // The first sticky in the list is returned directly back to 15039 // the client. 15040 Intent sticky = allSticky != null ? (Intent)allSticky.get(0) : null; 15041 15042 if (DEBUG_BROADCAST) Slog.v(TAG, "Register receiver " + filter 15043 + ": " + sticky); 15044 15045 if (receiver == null) { 15046 return sticky; 15047 } 15048 15049 ReceiverList rl 15050 = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); 15051 if (rl == null) { 15052 rl = new ReceiverList(this, callerApp, callingPid, callingUid, 15053 userId, receiver); 15054 if (rl.app != null) { 15055 rl.app.receivers.add(rl); 15056 } else { 15057 try { 15058 receiver.asBinder().linkToDeath(rl, 0); 15059 } catch (RemoteException e) { 15060 return sticky; 15061 } 15062 rl.linkedToDeath = true; 15063 } 15064 mRegisteredReceivers.put(receiver.asBinder(), rl); 15065 } else if (rl.uid != callingUid) { 15066 throw new IllegalArgumentException( 15067 "Receiver requested to register for uid " + callingUid 15068 + " was previously registered for uid " + rl.uid); 15069 } else if (rl.pid != callingPid) { 15070 throw new IllegalArgumentException( 15071 "Receiver requested to register for pid " + callingPid 15072 + " was previously registered for pid " + rl.pid); 15073 } else if (rl.userId != userId) { 15074 throw new IllegalArgumentException( 15075 "Receiver requested to register for user " + userId 15076 + " was previously registered for user " + rl.userId); 15077 } 15078 BroadcastFilter bf = new BroadcastFilter(filter, rl, callerPackage, 15079 permission, callingUid, userId); 15080 rl.add(bf); 15081 if (!bf.debugCheck()) { 15082 Slog.w(TAG, "==> For Dynamic broadast"); 15083 } 15084 mReceiverResolver.addFilter(bf); 15085 15086 // Enqueue broadcasts for all existing stickies that match 15087 // this filter. 15088 if (allSticky != null) { 15089 ArrayList receivers = new ArrayList(); 15090 receivers.add(bf); 15091 15092 int N = allSticky.size(); 15093 for (int i=0; i<N; i++) { 15094 Intent intent = (Intent)allSticky.get(i); 15095 BroadcastQueue queue = broadcastQueueForIntent(intent); 15096 BroadcastRecord r = new BroadcastRecord(queue, intent, null, 15097 null, -1, -1, null, null, AppOpsManager.OP_NONE, receivers, null, 0, 15098 null, null, false, true, true, -1); 15099 queue.enqueueParallelBroadcastLocked(r); 15100 queue.scheduleBroadcastsLocked(); 15101 } 15102 } 15103 15104 return sticky; 15105 } 15106 } 15107 15108 public void unregisterReceiver(IIntentReceiver receiver) { 15109 if (DEBUG_BROADCAST) Slog.v(TAG, "Unregister receiver: " + receiver); 15110 15111 final long origId = Binder.clearCallingIdentity(); 15112 try { 15113 boolean doTrim = false; 15114 15115 synchronized(this) { 15116 ReceiverList rl = mRegisteredReceivers.get(receiver.asBinder()); 15117 if (rl != null) { 15118 if (rl.curBroadcast != null) { 15119 BroadcastRecord r = rl.curBroadcast; 15120 final boolean doNext = finishReceiverLocked( 15121 receiver.asBinder(), r.resultCode, r.resultData, 15122 r.resultExtras, r.resultAbort); 15123 if (doNext) { 15124 doTrim = true; 15125 r.queue.processNextBroadcast(false); 15126 } 15127 } 15128 15129 if (rl.app != null) { 15130 rl.app.receivers.remove(rl); 15131 } 15132 removeReceiverLocked(rl); 15133 if (rl.linkedToDeath) { 15134 rl.linkedToDeath = false; 15135 rl.receiver.asBinder().unlinkToDeath(rl, 0); 15136 } 15137 } 15138 } 15139 15140 // If we actually concluded any broadcasts, we might now be able 15141 // to trim the recipients' apps from our working set 15142 if (doTrim) { 15143 trimApplications(); 15144 return; 15145 } 15146 15147 } finally { 15148 Binder.restoreCallingIdentity(origId); 15149 } 15150 } 15151 15152 void removeReceiverLocked(ReceiverList rl) { 15153 mRegisteredReceivers.remove(rl.receiver.asBinder()); 15154 int N = rl.size(); 15155 for (int i=0; i<N; i++) { 15156 mReceiverResolver.removeFilter(rl.get(i)); 15157 } 15158 } 15159 15160 private final void sendPackageBroadcastLocked(int cmd, String[] packages, int userId) { 15161 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 15162 ProcessRecord r = mLruProcesses.get(i); 15163 if (r.thread != null && (userId == UserHandle.USER_ALL || r.userId == userId)) { 15164 try { 15165 r.thread.dispatchPackageBroadcast(cmd, packages); 15166 } catch (RemoteException ex) { 15167 } 15168 } 15169 } 15170 } 15171 15172 private List<ResolveInfo> collectReceiverComponents(Intent intent, String resolvedType, 15173 int callingUid, int[] users) { 15174 List<ResolveInfo> receivers = null; 15175 try { 15176 HashSet<ComponentName> singleUserReceivers = null; 15177 boolean scannedFirstReceivers = false; 15178 for (int user : users) { 15179 // Skip users that have Shell restrictions 15180 if (callingUid == Process.SHELL_UID 15181 && getUserManagerLocked().hasUserRestriction( 15182 UserManager.DISALLOW_DEBUGGING_FEATURES, user)) { 15183 continue; 15184 } 15185 List<ResolveInfo> newReceivers = AppGlobals.getPackageManager() 15186 .queryIntentReceivers(intent, resolvedType, STOCK_PM_FLAGS, user); 15187 if (user != 0 && newReceivers != null) { 15188 // If this is not the primary user, we need to check for 15189 // any receivers that should be filtered out. 15190 for (int i=0; i<newReceivers.size(); i++) { 15191 ResolveInfo ri = newReceivers.get(i); 15192 if ((ri.activityInfo.flags&ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 15193 newReceivers.remove(i); 15194 i--; 15195 } 15196 } 15197 } 15198 if (newReceivers != null && newReceivers.size() == 0) { 15199 newReceivers = null; 15200 } 15201 if (receivers == null) { 15202 receivers = newReceivers; 15203 } else if (newReceivers != null) { 15204 // We need to concatenate the additional receivers 15205 // found with what we have do far. This would be easy, 15206 // but we also need to de-dup any receivers that are 15207 // singleUser. 15208 if (!scannedFirstReceivers) { 15209 // Collect any single user receivers we had already retrieved. 15210 scannedFirstReceivers = true; 15211 for (int i=0; i<receivers.size(); i++) { 15212 ResolveInfo ri = receivers.get(i); 15213 if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 15214 ComponentName cn = new ComponentName( 15215 ri.activityInfo.packageName, ri.activityInfo.name); 15216 if (singleUserReceivers == null) { 15217 singleUserReceivers = new HashSet<ComponentName>(); 15218 } 15219 singleUserReceivers.add(cn); 15220 } 15221 } 15222 } 15223 // Add the new results to the existing results, tracking 15224 // and de-dupping single user receivers. 15225 for (int i=0; i<newReceivers.size(); i++) { 15226 ResolveInfo ri = newReceivers.get(i); 15227 if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 15228 ComponentName cn = new ComponentName( 15229 ri.activityInfo.packageName, ri.activityInfo.name); 15230 if (singleUserReceivers == null) { 15231 singleUserReceivers = new HashSet<ComponentName>(); 15232 } 15233 if (!singleUserReceivers.contains(cn)) { 15234 singleUserReceivers.add(cn); 15235 receivers.add(ri); 15236 } 15237 } else { 15238 receivers.add(ri); 15239 } 15240 } 15241 } 15242 } 15243 } catch (RemoteException ex) { 15244 // pm is in same process, this will never happen. 15245 } 15246 return receivers; 15247 } 15248 15249 private final int broadcastIntentLocked(ProcessRecord callerApp, 15250 String callerPackage, Intent intent, String resolvedType, 15251 IIntentReceiver resultTo, int resultCode, String resultData, 15252 Bundle map, String requiredPermission, int appOp, 15253 boolean ordered, boolean sticky, int callingPid, int callingUid, 15254 int userId) { 15255 intent = new Intent(intent); 15256 15257 // By default broadcasts do not go to stopped apps. 15258 intent.addFlags(Intent.FLAG_EXCLUDE_STOPPED_PACKAGES); 15259 15260 if (DEBUG_BROADCAST_LIGHT) Slog.v( 15261 TAG, (sticky ? "Broadcast sticky: ": "Broadcast: ") + intent 15262 + " ordered=" + ordered + " userid=" + userId); 15263 if ((resultTo != null) && !ordered) { 15264 Slog.w(TAG, "Broadcast " + intent + " not ordered but result callback requested!"); 15265 } 15266 15267 userId = handleIncomingUser(callingPid, callingUid, userId, 15268 true, ALLOW_NON_FULL, "broadcast", callerPackage); 15269 15270 // Make sure that the user who is receiving this broadcast is started. 15271 // If not, we will just skip it. 15272 15273 if (userId != UserHandle.USER_ALL && mStartedUsers.get(userId) == null) { 15274 if (callingUid != Process.SYSTEM_UID || (intent.getFlags() 15275 & Intent.FLAG_RECEIVER_BOOT_UPGRADE) == 0) { 15276 Slog.w(TAG, "Skipping broadcast of " + intent 15277 + ": user " + userId + " is stopped"); 15278 return ActivityManager.BROADCAST_SUCCESS; 15279 } 15280 } 15281 15282 /* 15283 * Prevent non-system code (defined here to be non-persistent 15284 * processes) from sending protected broadcasts. 15285 */ 15286 int callingAppId = UserHandle.getAppId(callingUid); 15287 if (callingAppId == Process.SYSTEM_UID || callingAppId == Process.PHONE_UID 15288 || callingAppId == Process.SHELL_UID || callingAppId == Process.BLUETOOTH_UID 15289 || callingAppId == Process.NFC_UID || callingUid == 0) { 15290 // Always okay. 15291 } else if (callerApp == null || !callerApp.persistent) { 15292 try { 15293 if (AppGlobals.getPackageManager().isProtectedBroadcast( 15294 intent.getAction())) { 15295 String msg = "Permission Denial: not allowed to send broadcast " 15296 + intent.getAction() + " from pid=" 15297 + callingPid + ", uid=" + callingUid; 15298 Slog.w(TAG, msg); 15299 throw new SecurityException(msg); 15300 } else if (AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(intent.getAction())) { 15301 // Special case for compatibility: we don't want apps to send this, 15302 // but historically it has not been protected and apps may be using it 15303 // to poke their own app widget. So, instead of making it protected, 15304 // just limit it to the caller. 15305 if (callerApp == null) { 15306 String msg = "Permission Denial: not allowed to send broadcast " 15307 + intent.getAction() + " from unknown caller."; 15308 Slog.w(TAG, msg); 15309 throw new SecurityException(msg); 15310 } else if (intent.getComponent() != null) { 15311 // They are good enough to send to an explicit component... verify 15312 // it is being sent to the calling app. 15313 if (!intent.getComponent().getPackageName().equals( 15314 callerApp.info.packageName)) { 15315 String msg = "Permission Denial: not allowed to send broadcast " 15316 + intent.getAction() + " to " 15317 + intent.getComponent().getPackageName() + " from " 15318 + callerApp.info.packageName; 15319 Slog.w(TAG, msg); 15320 throw new SecurityException(msg); 15321 } 15322 } else { 15323 // Limit broadcast to their own package. 15324 intent.setPackage(callerApp.info.packageName); 15325 } 15326 } 15327 } catch (RemoteException e) { 15328 Slog.w(TAG, "Remote exception", e); 15329 return ActivityManager.BROADCAST_SUCCESS; 15330 } 15331 } 15332 15333 // Handle special intents: if this broadcast is from the package 15334 // manager about a package being removed, we need to remove all of 15335 // its activities from the history stack. 15336 final boolean uidRemoved = Intent.ACTION_UID_REMOVED.equals( 15337 intent.getAction()); 15338 if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction()) 15339 || Intent.ACTION_PACKAGE_CHANGED.equals(intent.getAction()) 15340 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction()) 15341 || Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(intent.getAction()) 15342 || uidRemoved) { 15343 if (checkComponentPermission( 15344 android.Manifest.permission.BROADCAST_PACKAGE_REMOVED, 15345 callingPid, callingUid, -1, true) 15346 == PackageManager.PERMISSION_GRANTED) { 15347 if (uidRemoved) { 15348 final Bundle intentExtras = intent.getExtras(); 15349 final int uid = intentExtras != null 15350 ? intentExtras.getInt(Intent.EXTRA_UID) : -1; 15351 if (uid >= 0) { 15352 BatteryStatsImpl bs = mBatteryStatsService.getActiveStatistics(); 15353 synchronized (bs) { 15354 bs.removeUidStatsLocked(uid); 15355 } 15356 mAppOpsService.uidRemoved(uid); 15357 } 15358 } else { 15359 // If resources are unavailable just force stop all 15360 // those packages and flush the attribute cache as well. 15361 if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction())) { 15362 String list[] = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 15363 if (list != null && (list.length > 0)) { 15364 for (String pkg : list) { 15365 forceStopPackageLocked(pkg, -1, false, true, true, false, false, userId, 15366 "storage unmount"); 15367 } 15368 cleanupRecentTasksLocked(UserHandle.USER_ALL); 15369 sendPackageBroadcastLocked( 15370 IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE, list, userId); 15371 } 15372 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals( 15373 intent.getAction())) { 15374 cleanupRecentTasksLocked(UserHandle.USER_ALL); 15375 } else { 15376 Uri data = intent.getData(); 15377 String ssp; 15378 if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { 15379 boolean removed = Intent.ACTION_PACKAGE_REMOVED.equals( 15380 intent.getAction()); 15381 boolean fullUninstall = removed && 15382 !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 15383 if (!intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false)) { 15384 forceStopPackageLocked(ssp, UserHandle.getAppId( 15385 intent.getIntExtra(Intent.EXTRA_UID, -1)), false, true, true, 15386 false, fullUninstall, userId, 15387 removed ? "pkg removed" : "pkg changed"); 15388 } 15389 if (removed) { 15390 sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED, 15391 new String[] {ssp}, userId); 15392 if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 15393 mAppOpsService.packageRemoved( 15394 intent.getIntExtra(Intent.EXTRA_UID, -1), ssp); 15395 15396 // Remove all permissions granted from/to this package 15397 removeUriPermissionsForPackageLocked(ssp, userId, true); 15398 } 15399 } 15400 } 15401 } 15402 } 15403 } else { 15404 String msg = "Permission Denial: " + intent.getAction() 15405 + " broadcast from " + callerPackage + " (pid=" + callingPid 15406 + ", uid=" + callingUid + ")" 15407 + " requires " 15408 + android.Manifest.permission.BROADCAST_PACKAGE_REMOVED; 15409 Slog.w(TAG, msg); 15410 throw new SecurityException(msg); 15411 } 15412 15413 // Special case for adding a package: by default turn on compatibility 15414 // mode. 15415 } else if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction())) { 15416 Uri data = intent.getData(); 15417 String ssp; 15418 if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { 15419 mCompatModePackages.handlePackageAddedLocked(ssp, 15420 intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)); 15421 } 15422 } 15423 15424 /* 15425 * If this is the time zone changed action, queue up a message that will reset the timezone 15426 * of all currently running processes. This message will get queued up before the broadcast 15427 * happens. 15428 */ 15429 if (Intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) { 15430 mHandler.sendEmptyMessage(UPDATE_TIME_ZONE); 15431 } 15432 15433 /* 15434 * If the user set the time, let all running processes know. 15435 */ 15436 if (Intent.ACTION_TIME_CHANGED.equals(intent.getAction())) { 15437 final int is24Hour = intent.getBooleanExtra( 15438 Intent.EXTRA_TIME_PREF_24_HOUR_FORMAT, false) ? 1 : 0; 15439 mHandler.sendMessage(mHandler.obtainMessage(UPDATE_TIME, is24Hour, 0)); 15440 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 15441 synchronized (stats) { 15442 stats.noteCurrentTimeChangedLocked(); 15443 } 15444 } 15445 15446 if (Intent.ACTION_CLEAR_DNS_CACHE.equals(intent.getAction())) { 15447 mHandler.sendEmptyMessage(CLEAR_DNS_CACHE_MSG); 15448 } 15449 15450 if (Proxy.PROXY_CHANGE_ACTION.equals(intent.getAction())) { 15451 ProxyInfo proxy = intent.getParcelableExtra(Proxy.EXTRA_PROXY_INFO); 15452 mHandler.sendMessage(mHandler.obtainMessage(UPDATE_HTTP_PROXY_MSG, proxy)); 15453 } 15454 15455 // Add to the sticky list if requested. 15456 if (sticky) { 15457 if (checkPermission(android.Manifest.permission.BROADCAST_STICKY, 15458 callingPid, callingUid) 15459 != PackageManager.PERMISSION_GRANTED) { 15460 String msg = "Permission Denial: broadcastIntent() requesting a sticky broadcast from pid=" 15461 + callingPid + ", uid=" + callingUid 15462 + " requires " + android.Manifest.permission.BROADCAST_STICKY; 15463 Slog.w(TAG, msg); 15464 throw new SecurityException(msg); 15465 } 15466 if (requiredPermission != null) { 15467 Slog.w(TAG, "Can't broadcast sticky intent " + intent 15468 + " and enforce permission " + requiredPermission); 15469 return ActivityManager.BROADCAST_STICKY_CANT_HAVE_PERMISSION; 15470 } 15471 if (intent.getComponent() != null) { 15472 throw new SecurityException( 15473 "Sticky broadcasts can't target a specific component"); 15474 } 15475 // We use userId directly here, since the "all" target is maintained 15476 // as a separate set of sticky broadcasts. 15477 if (userId != UserHandle.USER_ALL) { 15478 // But first, if this is not a broadcast to all users, then 15479 // make sure it doesn't conflict with an existing broadcast to 15480 // all users. 15481 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get( 15482 UserHandle.USER_ALL); 15483 if (stickies != null) { 15484 ArrayList<Intent> list = stickies.get(intent.getAction()); 15485 if (list != null) { 15486 int N = list.size(); 15487 int i; 15488 for (i=0; i<N; i++) { 15489 if (intent.filterEquals(list.get(i))) { 15490 throw new IllegalArgumentException( 15491 "Sticky broadcast " + intent + " for user " 15492 + userId + " conflicts with existing global broadcast"); 15493 } 15494 } 15495 } 15496 } 15497 } 15498 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 15499 if (stickies == null) { 15500 stickies = new ArrayMap<String, ArrayList<Intent>>(); 15501 mStickyBroadcasts.put(userId, stickies); 15502 } 15503 ArrayList<Intent> list = stickies.get(intent.getAction()); 15504 if (list == null) { 15505 list = new ArrayList<Intent>(); 15506 stickies.put(intent.getAction(), list); 15507 } 15508 int N = list.size(); 15509 int i; 15510 for (i=0; i<N; i++) { 15511 if (intent.filterEquals(list.get(i))) { 15512 // This sticky already exists, replace it. 15513 list.set(i, new Intent(intent)); 15514 break; 15515 } 15516 } 15517 if (i >= N) { 15518 list.add(new Intent(intent)); 15519 } 15520 } 15521 15522 int[] users; 15523 if (userId == UserHandle.USER_ALL) { 15524 // Caller wants broadcast to go to all started users. 15525 users = mStartedUserArray; 15526 } else { 15527 // Caller wants broadcast to go to one specific user. 15528 users = new int[] {userId}; 15529 } 15530 15531 // Figure out who all will receive this broadcast. 15532 List receivers = null; 15533 List<BroadcastFilter> registeredReceivers = null; 15534 // Need to resolve the intent to interested receivers... 15535 if ((intent.getFlags()&Intent.FLAG_RECEIVER_REGISTERED_ONLY) 15536 == 0) { 15537 receivers = collectReceiverComponents(intent, resolvedType, callingUid, users); 15538 } 15539 if (intent.getComponent() == null) { 15540 if (userId == UserHandle.USER_ALL && callingUid == Process.SHELL_UID) { 15541 // Query one target user at a time, excluding shell-restricted users 15542 UserManagerService ums = getUserManagerLocked(); 15543 for (int i = 0; i < users.length; i++) { 15544 if (ums.hasUserRestriction( 15545 UserManager.DISALLOW_DEBUGGING_FEATURES, users[i])) { 15546 continue; 15547 } 15548 List<BroadcastFilter> registeredReceiversForUser = 15549 mReceiverResolver.queryIntent(intent, 15550 resolvedType, false, users[i]); 15551 if (registeredReceivers == null) { 15552 registeredReceivers = registeredReceiversForUser; 15553 } else if (registeredReceiversForUser != null) { 15554 registeredReceivers.addAll(registeredReceiversForUser); 15555 } 15556 } 15557 } else { 15558 registeredReceivers = mReceiverResolver.queryIntent(intent, 15559 resolvedType, false, userId); 15560 } 15561 } 15562 15563 final boolean replacePending = 15564 (intent.getFlags()&Intent.FLAG_RECEIVER_REPLACE_PENDING) != 0; 15565 15566 if (DEBUG_BROADCAST) Slog.v(TAG, "Enqueing broadcast: " + intent.getAction() 15567 + " replacePending=" + replacePending); 15568 15569 int NR = registeredReceivers != null ? registeredReceivers.size() : 0; 15570 if (!ordered && NR > 0) { 15571 // If we are not serializing this broadcast, then send the 15572 // registered receivers separately so they don't wait for the 15573 // components to be launched. 15574 final BroadcastQueue queue = broadcastQueueForIntent(intent); 15575 BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, 15576 callerPackage, callingPid, callingUid, resolvedType, requiredPermission, 15577 appOp, registeredReceivers, resultTo, resultCode, resultData, map, 15578 ordered, sticky, false, userId); 15579 if (DEBUG_BROADCAST) Slog.v( 15580 TAG, "Enqueueing parallel broadcast " + r); 15581 final boolean replaced = replacePending && queue.replaceParallelBroadcastLocked(r); 15582 if (!replaced) { 15583 queue.enqueueParallelBroadcastLocked(r); 15584 queue.scheduleBroadcastsLocked(); 15585 } 15586 registeredReceivers = null; 15587 NR = 0; 15588 } 15589 15590 // Merge into one list. 15591 int ir = 0; 15592 if (receivers != null) { 15593 // A special case for PACKAGE_ADDED: do not allow the package 15594 // being added to see this broadcast. This prevents them from 15595 // using this as a back door to get run as soon as they are 15596 // installed. Maybe in the future we want to have a special install 15597 // broadcast or such for apps, but we'd like to deliberately make 15598 // this decision. 15599 String skipPackages[] = null; 15600 if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction()) 15601 || Intent.ACTION_PACKAGE_RESTARTED.equals(intent.getAction()) 15602 || Intent.ACTION_PACKAGE_DATA_CLEARED.equals(intent.getAction())) { 15603 Uri data = intent.getData(); 15604 if (data != null) { 15605 String pkgName = data.getSchemeSpecificPart(); 15606 if (pkgName != null) { 15607 skipPackages = new String[] { pkgName }; 15608 } 15609 } 15610 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(intent.getAction())) { 15611 skipPackages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 15612 } 15613 if (skipPackages != null && (skipPackages.length > 0)) { 15614 for (String skipPackage : skipPackages) { 15615 if (skipPackage != null) { 15616 int NT = receivers.size(); 15617 for (int it=0; it<NT; it++) { 15618 ResolveInfo curt = (ResolveInfo)receivers.get(it); 15619 if (curt.activityInfo.packageName.equals(skipPackage)) { 15620 receivers.remove(it); 15621 it--; 15622 NT--; 15623 } 15624 } 15625 } 15626 } 15627 } 15628 15629 int NT = receivers != null ? receivers.size() : 0; 15630 int it = 0; 15631 ResolveInfo curt = null; 15632 BroadcastFilter curr = null; 15633 while (it < NT && ir < NR) { 15634 if (curt == null) { 15635 curt = (ResolveInfo)receivers.get(it); 15636 } 15637 if (curr == null) { 15638 curr = registeredReceivers.get(ir); 15639 } 15640 if (curr.getPriority() >= curt.priority) { 15641 // Insert this broadcast record into the final list. 15642 receivers.add(it, curr); 15643 ir++; 15644 curr = null; 15645 it++; 15646 NT++; 15647 } else { 15648 // Skip to the next ResolveInfo in the final list. 15649 it++; 15650 curt = null; 15651 } 15652 } 15653 } 15654 while (ir < NR) { 15655 if (receivers == null) { 15656 receivers = new ArrayList(); 15657 } 15658 receivers.add(registeredReceivers.get(ir)); 15659 ir++; 15660 } 15661 15662 if ((receivers != null && receivers.size() > 0) 15663 || resultTo != null) { 15664 BroadcastQueue queue = broadcastQueueForIntent(intent); 15665 BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, 15666 callerPackage, callingPid, callingUid, resolvedType, 15667 requiredPermission, appOp, receivers, resultTo, resultCode, 15668 resultData, map, ordered, sticky, false, userId); 15669 if (DEBUG_BROADCAST) Slog.v( 15670 TAG, "Enqueueing ordered broadcast " + r 15671 + ": prev had " + queue.mOrderedBroadcasts.size()); 15672 if (DEBUG_BROADCAST) { 15673 int seq = r.intent.getIntExtra("seq", -1); 15674 Slog.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq); 15675 } 15676 boolean replaced = replacePending && queue.replaceOrderedBroadcastLocked(r); 15677 if (!replaced) { 15678 queue.enqueueOrderedBroadcastLocked(r); 15679 queue.scheduleBroadcastsLocked(); 15680 } 15681 } 15682 15683 return ActivityManager.BROADCAST_SUCCESS; 15684 } 15685 15686 final Intent verifyBroadcastLocked(Intent intent) { 15687 // Refuse possible leaked file descriptors 15688 if (intent != null && intent.hasFileDescriptors() == true) { 15689 throw new IllegalArgumentException("File descriptors passed in Intent"); 15690 } 15691 15692 int flags = intent.getFlags(); 15693 15694 if (!mProcessesReady) { 15695 // if the caller really truly claims to know what they're doing, go 15696 // ahead and allow the broadcast without launching any receivers 15697 if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT) != 0) { 15698 intent = new Intent(intent); 15699 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 15700 } else if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY) == 0) { 15701 Slog.e(TAG, "Attempt to launch receivers of broadcast intent " + intent 15702 + " before boot completion"); 15703 throw new IllegalStateException("Cannot broadcast before boot completed"); 15704 } 15705 } 15706 15707 if ((flags&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { 15708 throw new IllegalArgumentException( 15709 "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); 15710 } 15711 15712 return intent; 15713 } 15714 15715 public final int broadcastIntent(IApplicationThread caller, 15716 Intent intent, String resolvedType, IIntentReceiver resultTo, 15717 int resultCode, String resultData, Bundle map, 15718 String requiredPermission, int appOp, boolean serialized, boolean sticky, int userId) { 15719 enforceNotIsolatedCaller("broadcastIntent"); 15720 synchronized(this) { 15721 intent = verifyBroadcastLocked(intent); 15722 15723 final ProcessRecord callerApp = getRecordForAppLocked(caller); 15724 final int callingPid = Binder.getCallingPid(); 15725 final int callingUid = Binder.getCallingUid(); 15726 final long origId = Binder.clearCallingIdentity(); 15727 int res = broadcastIntentLocked(callerApp, 15728 callerApp != null ? callerApp.info.packageName : null, 15729 intent, resolvedType, resultTo, 15730 resultCode, resultData, map, requiredPermission, appOp, serialized, sticky, 15731 callingPid, callingUid, userId); 15732 Binder.restoreCallingIdentity(origId); 15733 return res; 15734 } 15735 } 15736 15737 int broadcastIntentInPackage(String packageName, int uid, 15738 Intent intent, String resolvedType, IIntentReceiver resultTo, 15739 int resultCode, String resultData, Bundle map, 15740 String requiredPermission, boolean serialized, boolean sticky, int userId) { 15741 synchronized(this) { 15742 intent = verifyBroadcastLocked(intent); 15743 15744 final long origId = Binder.clearCallingIdentity(); 15745 int res = broadcastIntentLocked(null, packageName, intent, resolvedType, 15746 resultTo, resultCode, resultData, map, requiredPermission, 15747 AppOpsManager.OP_NONE, serialized, sticky, -1, uid, userId); 15748 Binder.restoreCallingIdentity(origId); 15749 return res; 15750 } 15751 } 15752 15753 public final void unbroadcastIntent(IApplicationThread caller, Intent intent, int userId) { 15754 // Refuse possible leaked file descriptors 15755 if (intent != null && intent.hasFileDescriptors() == true) { 15756 throw new IllegalArgumentException("File descriptors passed in Intent"); 15757 } 15758 15759 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 15760 userId, true, ALLOW_NON_FULL, "removeStickyBroadcast", null); 15761 15762 synchronized(this) { 15763 if (checkCallingPermission(android.Manifest.permission.BROADCAST_STICKY) 15764 != PackageManager.PERMISSION_GRANTED) { 15765 String msg = "Permission Denial: unbroadcastIntent() from pid=" 15766 + Binder.getCallingPid() 15767 + ", uid=" + Binder.getCallingUid() 15768 + " requires " + android.Manifest.permission.BROADCAST_STICKY; 15769 Slog.w(TAG, msg); 15770 throw new SecurityException(msg); 15771 } 15772 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 15773 if (stickies != null) { 15774 ArrayList<Intent> list = stickies.get(intent.getAction()); 15775 if (list != null) { 15776 int N = list.size(); 15777 int i; 15778 for (i=0; i<N; i++) { 15779 if (intent.filterEquals(list.get(i))) { 15780 list.remove(i); 15781 break; 15782 } 15783 } 15784 if (list.size() <= 0) { 15785 stickies.remove(intent.getAction()); 15786 } 15787 } 15788 if (stickies.size() <= 0) { 15789 mStickyBroadcasts.remove(userId); 15790 } 15791 } 15792 } 15793 } 15794 15795 private final boolean finishReceiverLocked(IBinder receiver, int resultCode, 15796 String resultData, Bundle resultExtras, boolean resultAbort) { 15797 final BroadcastRecord r = broadcastRecordForReceiverLocked(receiver); 15798 if (r == null) { 15799 Slog.w(TAG, "finishReceiver called but not found on queue"); 15800 return false; 15801 } 15802 15803 return r.queue.finishReceiverLocked(r, resultCode, resultData, resultExtras, resultAbort, false); 15804 } 15805 15806 void backgroundServicesFinishedLocked(int userId) { 15807 for (BroadcastQueue queue : mBroadcastQueues) { 15808 queue.backgroundServicesFinishedLocked(userId); 15809 } 15810 } 15811 15812 public void finishReceiver(IBinder who, int resultCode, String resultData, 15813 Bundle resultExtras, boolean resultAbort) { 15814 if (DEBUG_BROADCAST) Slog.v(TAG, "Finish receiver: " + who); 15815 15816 // Refuse possible leaked file descriptors 15817 if (resultExtras != null && resultExtras.hasFileDescriptors()) { 15818 throw new IllegalArgumentException("File descriptors passed in Bundle"); 15819 } 15820 15821 final long origId = Binder.clearCallingIdentity(); 15822 try { 15823 boolean doNext = false; 15824 BroadcastRecord r; 15825 15826 synchronized(this) { 15827 r = broadcastRecordForReceiverLocked(who); 15828 if (r != null) { 15829 doNext = r.queue.finishReceiverLocked(r, resultCode, 15830 resultData, resultExtras, resultAbort, true); 15831 } 15832 } 15833 15834 if (doNext) { 15835 r.queue.processNextBroadcast(false); 15836 } 15837 trimApplications(); 15838 } finally { 15839 Binder.restoreCallingIdentity(origId); 15840 } 15841 } 15842 15843 // ========================================================= 15844 // INSTRUMENTATION 15845 // ========================================================= 15846 15847 public boolean startInstrumentation(ComponentName className, 15848 String profileFile, int flags, Bundle arguments, 15849 IInstrumentationWatcher watcher, IUiAutomationConnection uiAutomationConnection, 15850 int userId, String abiOverride) { 15851 enforceNotIsolatedCaller("startInstrumentation"); 15852 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 15853 userId, false, ALLOW_FULL_ONLY, "startInstrumentation", null); 15854 // Refuse possible leaked file descriptors 15855 if (arguments != null && arguments.hasFileDescriptors()) { 15856 throw new IllegalArgumentException("File descriptors passed in Bundle"); 15857 } 15858 15859 synchronized(this) { 15860 InstrumentationInfo ii = null; 15861 ApplicationInfo ai = null; 15862 try { 15863 ii = mContext.getPackageManager().getInstrumentationInfo( 15864 className, STOCK_PM_FLAGS); 15865 ai = AppGlobals.getPackageManager().getApplicationInfo( 15866 ii.targetPackage, STOCK_PM_FLAGS, userId); 15867 } catch (PackageManager.NameNotFoundException e) { 15868 } catch (RemoteException e) { 15869 } 15870 if (ii == null) { 15871 reportStartInstrumentationFailure(watcher, className, 15872 "Unable to find instrumentation info for: " + className); 15873 return false; 15874 } 15875 if (ai == null) { 15876 reportStartInstrumentationFailure(watcher, className, 15877 "Unable to find instrumentation target package: " + ii.targetPackage); 15878 return false; 15879 } 15880 15881 int match = mContext.getPackageManager().checkSignatures( 15882 ii.targetPackage, ii.packageName); 15883 if (match < 0 && match != PackageManager.SIGNATURE_FIRST_NOT_SIGNED) { 15884 String msg = "Permission Denial: starting instrumentation " 15885 + className + " from pid=" 15886 + Binder.getCallingPid() 15887 + ", uid=" + Binder.getCallingPid() 15888 + " not allowed because package " + ii.packageName 15889 + " does not have a signature matching the target " 15890 + ii.targetPackage; 15891 reportStartInstrumentationFailure(watcher, className, msg); 15892 throw new SecurityException(msg); 15893 } 15894 15895 final long origId = Binder.clearCallingIdentity(); 15896 // Instrumentation can kill and relaunch even persistent processes 15897 forceStopPackageLocked(ii.targetPackage, -1, true, false, true, true, false, userId, 15898 "start instr"); 15899 ProcessRecord app = addAppLocked(ai, false, abiOverride); 15900 app.instrumentationClass = className; 15901 app.instrumentationInfo = ai; 15902 app.instrumentationProfileFile = profileFile; 15903 app.instrumentationArguments = arguments; 15904 app.instrumentationWatcher = watcher; 15905 app.instrumentationUiAutomationConnection = uiAutomationConnection; 15906 app.instrumentationResultClass = className; 15907 Binder.restoreCallingIdentity(origId); 15908 } 15909 15910 return true; 15911 } 15912 15913 /** 15914 * Report errors that occur while attempting to start Instrumentation. Always writes the 15915 * error to the logs, but if somebody is watching, send the report there too. This enables 15916 * the "am" command to report errors with more information. 15917 * 15918 * @param watcher The IInstrumentationWatcher. Null if there isn't one. 15919 * @param cn The component name of the instrumentation. 15920 * @param report The error report. 15921 */ 15922 private void reportStartInstrumentationFailure(IInstrumentationWatcher watcher, 15923 ComponentName cn, String report) { 15924 Slog.w(TAG, report); 15925 try { 15926 if (watcher != null) { 15927 Bundle results = new Bundle(); 15928 results.putString(Instrumentation.REPORT_KEY_IDENTIFIER, "ActivityManagerService"); 15929 results.putString("Error", report); 15930 watcher.instrumentationStatus(cn, -1, results); 15931 } 15932 } catch (RemoteException e) { 15933 Slog.w(TAG, e); 15934 } 15935 } 15936 15937 void finishInstrumentationLocked(ProcessRecord app, int resultCode, Bundle results) { 15938 if (app.instrumentationWatcher != null) { 15939 try { 15940 // NOTE: IInstrumentationWatcher *must* be oneway here 15941 app.instrumentationWatcher.instrumentationFinished( 15942 app.instrumentationClass, 15943 resultCode, 15944 results); 15945 } catch (RemoteException e) { 15946 } 15947 } 15948 if (app.instrumentationUiAutomationConnection != null) { 15949 try { 15950 app.instrumentationUiAutomationConnection.shutdown(); 15951 } catch (RemoteException re) { 15952 /* ignore */ 15953 } 15954 // Only a UiAutomation can set this flag and now that 15955 // it is finished we make sure it is reset to its default. 15956 mUserIsMonkey = false; 15957 } 15958 app.instrumentationWatcher = null; 15959 app.instrumentationUiAutomationConnection = null; 15960 app.instrumentationClass = null; 15961 app.instrumentationInfo = null; 15962 app.instrumentationProfileFile = null; 15963 app.instrumentationArguments = null; 15964 15965 forceStopPackageLocked(app.info.packageName, -1, false, false, true, true, false, app.userId, 15966 "finished inst"); 15967 } 15968 15969 public void finishInstrumentation(IApplicationThread target, 15970 int resultCode, Bundle results) { 15971 int userId = UserHandle.getCallingUserId(); 15972 // Refuse possible leaked file descriptors 15973 if (results != null && results.hasFileDescriptors()) { 15974 throw new IllegalArgumentException("File descriptors passed in Intent"); 15975 } 15976 15977 synchronized(this) { 15978 ProcessRecord app = getRecordForAppLocked(target); 15979 if (app == null) { 15980 Slog.w(TAG, "finishInstrumentation: no app for " + target); 15981 return; 15982 } 15983 final long origId = Binder.clearCallingIdentity(); 15984 finishInstrumentationLocked(app, resultCode, results); 15985 Binder.restoreCallingIdentity(origId); 15986 } 15987 } 15988 15989 // ========================================================= 15990 // CONFIGURATION 15991 // ========================================================= 15992 15993 public ConfigurationInfo getDeviceConfigurationInfo() { 15994 ConfigurationInfo config = new ConfigurationInfo(); 15995 synchronized (this) { 15996 config.reqTouchScreen = mConfiguration.touchscreen; 15997 config.reqKeyboardType = mConfiguration.keyboard; 15998 config.reqNavigation = mConfiguration.navigation; 15999 if (mConfiguration.navigation == Configuration.NAVIGATION_DPAD 16000 || mConfiguration.navigation == Configuration.NAVIGATION_TRACKBALL) { 16001 config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV; 16002 } 16003 if (mConfiguration.keyboard != Configuration.KEYBOARD_UNDEFINED 16004 && mConfiguration.keyboard != Configuration.KEYBOARD_NOKEYS) { 16005 config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD; 16006 } 16007 config.reqGlEsVersion = GL_ES_VERSION; 16008 } 16009 return config; 16010 } 16011 16012 ActivityStack getFocusedStack() { 16013 return mStackSupervisor.getFocusedStack(); 16014 } 16015 16016 public Configuration getConfiguration() { 16017 Configuration ci; 16018 synchronized(this) { 16019 ci = new Configuration(mConfiguration); 16020 } 16021 return ci; 16022 } 16023 16024 public void updatePersistentConfiguration(Configuration values) { 16025 enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 16026 "updateConfiguration()"); 16027 enforceCallingPermission(android.Manifest.permission.WRITE_SETTINGS, 16028 "updateConfiguration()"); 16029 if (values == null) { 16030 throw new NullPointerException("Configuration must not be null"); 16031 } 16032 16033 synchronized(this) { 16034 final long origId = Binder.clearCallingIdentity(); 16035 updateConfigurationLocked(values, null, true, false); 16036 Binder.restoreCallingIdentity(origId); 16037 } 16038 } 16039 16040 public void updateConfiguration(Configuration values) { 16041 enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 16042 "updateConfiguration()"); 16043 16044 synchronized(this) { 16045 if (values == null && mWindowManager != null) { 16046 // sentinel: fetch the current configuration from the window manager 16047 values = mWindowManager.computeNewConfiguration(); 16048 } 16049 16050 if (mWindowManager != null) { 16051 mProcessList.applyDisplaySize(mWindowManager); 16052 } 16053 16054 final long origId = Binder.clearCallingIdentity(); 16055 if (values != null) { 16056 Settings.System.clearConfiguration(values); 16057 } 16058 updateConfigurationLocked(values, null, false, false); 16059 Binder.restoreCallingIdentity(origId); 16060 } 16061 } 16062 16063 /** 16064 * Do either or both things: (1) change the current configuration, and (2) 16065 * make sure the given activity is running with the (now) current 16066 * configuration. Returns true if the activity has been left running, or 16067 * false if <var>starting</var> is being destroyed to match the new 16068 * configuration. 16069 * @param persistent TODO 16070 */ 16071 boolean updateConfigurationLocked(Configuration values, 16072 ActivityRecord starting, boolean persistent, boolean initLocale) { 16073 int changes = 0; 16074 16075 if (values != null) { 16076 Configuration newConfig = new Configuration(mConfiguration); 16077 changes = newConfig.updateFrom(values); 16078 if (changes != 0) { 16079 if (DEBUG_SWITCH || DEBUG_CONFIGURATION) { 16080 Slog.i(TAG, "Updating configuration to: " + values); 16081 } 16082 16083 EventLog.writeEvent(EventLogTags.CONFIGURATION_CHANGED, changes); 16084 16085 if (values.locale != null && !initLocale) { 16086 saveLocaleLocked(values.locale, 16087 !values.locale.equals(mConfiguration.locale), 16088 values.userSetLocale); 16089 } 16090 16091 mConfigurationSeq++; 16092 if (mConfigurationSeq <= 0) { 16093 mConfigurationSeq = 1; 16094 } 16095 newConfig.seq = mConfigurationSeq; 16096 mConfiguration = newConfig; 16097 Slog.i(TAG, "Config changes=" + Integer.toHexString(changes) + " " + newConfig); 16098 mUsageStatsService.reportConfigurationChange(newConfig, mCurrentUserId); 16099 //mUsageStatsService.noteStartConfig(newConfig); 16100 16101 final Configuration configCopy = new Configuration(mConfiguration); 16102 16103 // TODO: If our config changes, should we auto dismiss any currently 16104 // showing dialogs? 16105 mShowDialogs = shouldShowDialogs(newConfig); 16106 16107 AttributeCache ac = AttributeCache.instance(); 16108 if (ac != null) { 16109 ac.updateConfiguration(configCopy); 16110 } 16111 16112 // Make sure all resources in our process are updated 16113 // right now, so that anyone who is going to retrieve 16114 // resource values after we return will be sure to get 16115 // the new ones. This is especially important during 16116 // boot, where the first config change needs to guarantee 16117 // all resources have that config before following boot 16118 // code is executed. 16119 mSystemThread.applyConfigurationToResources(configCopy); 16120 16121 if (persistent && Settings.System.hasInterestingConfigurationChanges(changes)) { 16122 Message msg = mHandler.obtainMessage(UPDATE_CONFIGURATION_MSG); 16123 msg.obj = new Configuration(configCopy); 16124 mHandler.sendMessage(msg); 16125 } 16126 16127 for (int i=mLruProcesses.size()-1; i>=0; i--) { 16128 ProcessRecord app = mLruProcesses.get(i); 16129 try { 16130 if (app.thread != null) { 16131 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Sending to proc " 16132 + app.processName + " new config " + mConfiguration); 16133 app.thread.scheduleConfigurationChanged(configCopy); 16134 } 16135 } catch (Exception e) { 16136 } 16137 } 16138 Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); 16139 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 16140 | Intent.FLAG_RECEIVER_REPLACE_PENDING 16141 | Intent.FLAG_RECEIVER_FOREGROUND); 16142 broadcastIntentLocked(null, null, intent, null, null, 0, null, null, 16143 null, AppOpsManager.OP_NONE, false, false, MY_PID, 16144 Process.SYSTEM_UID, UserHandle.USER_ALL); 16145 if ((changes&ActivityInfo.CONFIG_LOCALE) != 0) { 16146 intent = new Intent(Intent.ACTION_LOCALE_CHANGED); 16147 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 16148 broadcastIntentLocked(null, null, intent, 16149 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 16150 false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 16151 } 16152 } 16153 } 16154 16155 boolean kept = true; 16156 final ActivityStack mainStack = mStackSupervisor.getFocusedStack(); 16157 // mainStack is null during startup. 16158 if (mainStack != null) { 16159 if (changes != 0 && starting == null) { 16160 // If the configuration changed, and the caller is not already 16161 // in the process of starting an activity, then find the top 16162 // activity to check if its configuration needs to change. 16163 starting = mainStack.topRunningActivityLocked(null); 16164 } 16165 16166 if (starting != null) { 16167 kept = mainStack.ensureActivityConfigurationLocked(starting, changes); 16168 // And we need to make sure at this point that all other activities 16169 // are made visible with the correct configuration. 16170 mStackSupervisor.ensureActivitiesVisibleLocked(starting, changes); 16171 } 16172 } 16173 16174 if (values != null && mWindowManager != null) { 16175 mWindowManager.setNewConfiguration(mConfiguration); 16176 } 16177 16178 return kept; 16179 } 16180 16181 /** 16182 * Decide based on the configuration whether we should shouw the ANR, 16183 * crash, etc dialogs. The idea is that if there is no affordnace to 16184 * press the on-screen buttons, we shouldn't show the dialog. 16185 * 16186 * A thought: SystemUI might also want to get told about this, the Power 16187 * dialog / global actions also might want different behaviors. 16188 */ 16189 private static final boolean shouldShowDialogs(Configuration config) { 16190 return !(config.keyboard == Configuration.KEYBOARD_NOKEYS 16191 && config.touchscreen == Configuration.TOUCHSCREEN_NOTOUCH); 16192 } 16193 16194 /** 16195 * Save the locale. You must be inside a synchronized (this) block. 16196 */ 16197 private void saveLocaleLocked(Locale l, boolean isDiff, boolean isPersist) { 16198 if(isDiff) { 16199 SystemProperties.set("user.language", l.getLanguage()); 16200 SystemProperties.set("user.region", l.getCountry()); 16201 } 16202 16203 if(isPersist) { 16204 SystemProperties.set("persist.sys.language", l.getLanguage()); 16205 SystemProperties.set("persist.sys.country", l.getCountry()); 16206 SystemProperties.set("persist.sys.localevar", l.getVariant()); 16207 } 16208 } 16209 16210 @Override 16211 public boolean shouldUpRecreateTask(IBinder token, String destAffinity) { 16212 synchronized (this) { 16213 ActivityRecord srec = ActivityRecord.forToken(token); 16214 if (srec.task != null && srec.task.stack != null) { 16215 return srec.task.stack.shouldUpRecreateTaskLocked(srec, destAffinity); 16216 } 16217 } 16218 return false; 16219 } 16220 16221 public boolean navigateUpTo(IBinder token, Intent destIntent, int resultCode, 16222 Intent resultData) { 16223 16224 synchronized (this) { 16225 final ActivityStack stack = ActivityRecord.getStackLocked(token); 16226 if (stack != null) { 16227 return stack.navigateUpToLocked(token, destIntent, resultCode, resultData); 16228 } 16229 return false; 16230 } 16231 } 16232 16233 public int getLaunchedFromUid(IBinder activityToken) { 16234 ActivityRecord srec = ActivityRecord.forToken(activityToken); 16235 if (srec == null) { 16236 return -1; 16237 } 16238 return srec.launchedFromUid; 16239 } 16240 16241 public String getLaunchedFromPackage(IBinder activityToken) { 16242 ActivityRecord srec = ActivityRecord.forToken(activityToken); 16243 if (srec == null) { 16244 return null; 16245 } 16246 return srec.launchedFromPackage; 16247 } 16248 16249 // ========================================================= 16250 // LIFETIME MANAGEMENT 16251 // ========================================================= 16252 16253 // Returns which broadcast queue the app is the current [or imminent] receiver 16254 // on, or 'null' if the app is not an active broadcast recipient. 16255 private BroadcastQueue isReceivingBroadcast(ProcessRecord app) { 16256 BroadcastRecord r = app.curReceiver; 16257 if (r != null) { 16258 return r.queue; 16259 } 16260 16261 // It's not the current receiver, but it might be starting up to become one 16262 synchronized (this) { 16263 for (BroadcastQueue queue : mBroadcastQueues) { 16264 r = queue.mPendingBroadcast; 16265 if (r != null && r.curApp == app) { 16266 // found it; report which queue it's in 16267 return queue; 16268 } 16269 } 16270 } 16271 16272 return null; 16273 } 16274 16275 private final int computeOomAdjLocked(ProcessRecord app, int cachedAdj, ProcessRecord TOP_APP, 16276 boolean doingAll, long now) { 16277 if (mAdjSeq == app.adjSeq) { 16278 // This adjustment has already been computed. 16279 return app.curRawAdj; 16280 } 16281 16282 if (app.thread == null) { 16283 app.adjSeq = mAdjSeq; 16284 app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16285 app.curProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16286 return (app.curAdj=app.curRawAdj=ProcessList.CACHED_APP_MAX_ADJ); 16287 } 16288 16289 app.adjTypeCode = ActivityManager.RunningAppProcessInfo.REASON_UNKNOWN; 16290 app.adjSource = null; 16291 app.adjTarget = null; 16292 app.empty = false; 16293 app.cached = false; 16294 16295 final int activitiesSize = app.activities.size(); 16296 16297 if (app.maxAdj <= ProcessList.FOREGROUND_APP_ADJ) { 16298 // The max adjustment doesn't allow this app to be anything 16299 // below foreground, so it is not worth doing work for it. 16300 app.adjType = "fixed"; 16301 app.adjSeq = mAdjSeq; 16302 app.curRawAdj = app.maxAdj; 16303 app.foregroundActivities = false; 16304 app.curSchedGroup = Process.THREAD_GROUP_DEFAULT; 16305 app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT; 16306 // System processes can do UI, and when they do we want to have 16307 // them trim their memory after the user leaves the UI. To 16308 // facilitate this, here we need to determine whether or not it 16309 // is currently showing UI. 16310 app.systemNoUi = true; 16311 if (app == TOP_APP) { 16312 app.systemNoUi = false; 16313 } else if (activitiesSize > 0) { 16314 for (int j = 0; j < activitiesSize; j++) { 16315 final ActivityRecord r = app.activities.get(j); 16316 if (r.visible) { 16317 app.systemNoUi = false; 16318 } 16319 } 16320 } 16321 if (!app.systemNoUi) { 16322 app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT_UI; 16323 } 16324 return (app.curAdj=app.maxAdj); 16325 } 16326 16327 app.systemNoUi = false; 16328 16329 // Determine the importance of the process, starting with most 16330 // important to least, and assign an appropriate OOM adjustment. 16331 int adj; 16332 int schedGroup; 16333 int procState; 16334 boolean foregroundActivities = false; 16335 BroadcastQueue queue; 16336 if (app == TOP_APP) { 16337 // The last app on the list is the foreground app. 16338 adj = ProcessList.FOREGROUND_APP_ADJ; 16339 schedGroup = Process.THREAD_GROUP_DEFAULT; 16340 app.adjType = "top-activity"; 16341 foregroundActivities = true; 16342 procState = ActivityManager.PROCESS_STATE_TOP; 16343 } else if (app.instrumentationClass != null) { 16344 // Don't want to kill running instrumentation. 16345 adj = ProcessList.FOREGROUND_APP_ADJ; 16346 schedGroup = Process.THREAD_GROUP_DEFAULT; 16347 app.adjType = "instrumentation"; 16348 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16349 } else if ((queue = isReceivingBroadcast(app)) != null) { 16350 // An app that is currently receiving a broadcast also 16351 // counts as being in the foreground for OOM killer purposes. 16352 // It's placed in a sched group based on the nature of the 16353 // broadcast as reflected by which queue it's active in. 16354 adj = ProcessList.FOREGROUND_APP_ADJ; 16355 schedGroup = (queue == mFgBroadcastQueue) 16356 ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; 16357 app.adjType = "broadcast"; 16358 procState = ActivityManager.PROCESS_STATE_RECEIVER; 16359 } else if (app.executingServices.size() > 0) { 16360 // An app that is currently executing a service callback also 16361 // counts as being in the foreground. 16362 adj = ProcessList.FOREGROUND_APP_ADJ; 16363 schedGroup = app.execServicesFg ? 16364 Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; 16365 app.adjType = "exec-service"; 16366 procState = ActivityManager.PROCESS_STATE_SERVICE; 16367 //Slog.i(TAG, "EXEC " + (app.execServicesFg ? "FG" : "BG") + ": " + app); 16368 } else { 16369 // As far as we know the process is empty. We may change our mind later. 16370 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16371 // At this point we don't actually know the adjustment. Use the cached adj 16372 // value that the caller wants us to. 16373 adj = cachedAdj; 16374 procState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16375 app.cached = true; 16376 app.empty = true; 16377 app.adjType = "cch-empty"; 16378 } 16379 16380 // Examine all activities if not already foreground. 16381 if (!foregroundActivities && activitiesSize > 0) { 16382 for (int j = 0; j < activitiesSize; j++) { 16383 final ActivityRecord r = app.activities.get(j); 16384 if (r.app != app) { 16385 Slog.w(TAG, "Wtf, activity " + r + " in proc activity list not using proc " 16386 + app + "?!?"); 16387 continue; 16388 } 16389 if (r.visible) { 16390 // App has a visible activity; only upgrade adjustment. 16391 if (adj > ProcessList.VISIBLE_APP_ADJ) { 16392 adj = ProcessList.VISIBLE_APP_ADJ; 16393 app.adjType = "visible"; 16394 } 16395 if (procState > ActivityManager.PROCESS_STATE_TOP) { 16396 procState = ActivityManager.PROCESS_STATE_TOP; 16397 } 16398 schedGroup = Process.THREAD_GROUP_DEFAULT; 16399 app.cached = false; 16400 app.empty = false; 16401 foregroundActivities = true; 16402 break; 16403 } else if (r.state == ActivityState.PAUSING || r.state == ActivityState.PAUSED) { 16404 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16405 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16406 app.adjType = "pausing"; 16407 } 16408 if (procState > ActivityManager.PROCESS_STATE_TOP) { 16409 procState = ActivityManager.PROCESS_STATE_TOP; 16410 } 16411 schedGroup = Process.THREAD_GROUP_DEFAULT; 16412 app.cached = false; 16413 app.empty = false; 16414 foregroundActivities = true; 16415 } else if (r.state == ActivityState.STOPPING) { 16416 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16417 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16418 app.adjType = "stopping"; 16419 } 16420 // For the process state, we will at this point consider the 16421 // process to be cached. It will be cached either as an activity 16422 // or empty depending on whether the activity is finishing. We do 16423 // this so that we can treat the process as cached for purposes of 16424 // memory trimming (determing current memory level, trim command to 16425 // send to process) since there can be an arbitrary number of stopping 16426 // processes and they should soon all go into the cached state. 16427 if (!r.finishing) { 16428 if (procState > ActivityManager.PROCESS_STATE_LAST_ACTIVITY) { 16429 procState = ActivityManager.PROCESS_STATE_LAST_ACTIVITY; 16430 } 16431 } 16432 app.cached = false; 16433 app.empty = false; 16434 foregroundActivities = true; 16435 } else { 16436 if (procState > ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16437 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 16438 app.adjType = "cch-act"; 16439 } 16440 } 16441 } 16442 } 16443 16444 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16445 if (app.foregroundServices) { 16446 // The user is aware of this app, so make it visible. 16447 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16448 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16449 app.cached = false; 16450 app.adjType = "fg-service"; 16451 schedGroup = Process.THREAD_GROUP_DEFAULT; 16452 } else if (app.forcingToForeground != null) { 16453 // The user is aware of this app, so make it visible. 16454 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16455 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16456 app.cached = false; 16457 app.adjType = "force-fg"; 16458 app.adjSource = app.forcingToForeground; 16459 schedGroup = Process.THREAD_GROUP_DEFAULT; 16460 } 16461 } 16462 16463 if (app == mHeavyWeightProcess) { 16464 if (adj > ProcessList.HEAVY_WEIGHT_APP_ADJ) { 16465 // We don't want to kill the current heavy-weight process. 16466 adj = ProcessList.HEAVY_WEIGHT_APP_ADJ; 16467 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16468 app.cached = false; 16469 app.adjType = "heavy"; 16470 } 16471 if (procState > ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) { 16472 procState = ActivityManager.PROCESS_STATE_HEAVY_WEIGHT; 16473 } 16474 } 16475 16476 if (app == mHomeProcess) { 16477 if (adj > ProcessList.HOME_APP_ADJ) { 16478 // This process is hosting what we currently consider to be the 16479 // home app, so we don't want to let it go into the background. 16480 adj = ProcessList.HOME_APP_ADJ; 16481 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16482 app.cached = false; 16483 app.adjType = "home"; 16484 } 16485 if (procState > ActivityManager.PROCESS_STATE_HOME) { 16486 procState = ActivityManager.PROCESS_STATE_HOME; 16487 } 16488 } 16489 16490 if (app == mPreviousProcess && app.activities.size() > 0) { 16491 if (adj > ProcessList.PREVIOUS_APP_ADJ) { 16492 // This was the previous process that showed UI to the user. 16493 // We want to try to keep it around more aggressively, to give 16494 // a good experience around switching between two apps. 16495 adj = ProcessList.PREVIOUS_APP_ADJ; 16496 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16497 app.cached = false; 16498 app.adjType = "previous"; 16499 } 16500 if (procState > ActivityManager.PROCESS_STATE_LAST_ACTIVITY) { 16501 procState = ActivityManager.PROCESS_STATE_LAST_ACTIVITY; 16502 } 16503 } 16504 16505 if (false) Slog.i(TAG, "OOM " + app + ": initial adj=" + adj 16506 + " reason=" + app.adjType); 16507 16508 // By default, we use the computed adjustment. It may be changed if 16509 // there are applications dependent on our services or providers, but 16510 // this gives us a baseline and makes sure we don't get into an 16511 // infinite recursion. 16512 app.adjSeq = mAdjSeq; 16513 app.curRawAdj = adj; 16514 app.hasStartedServices = false; 16515 16516 if (mBackupTarget != null && app == mBackupTarget.app) { 16517 // If possible we want to avoid killing apps while they're being backed up 16518 if (adj > ProcessList.BACKUP_APP_ADJ) { 16519 if (DEBUG_BACKUP) Slog.v(TAG, "oom BACKUP_APP_ADJ for " + app); 16520 adj = ProcessList.BACKUP_APP_ADJ; 16521 if (procState > ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND) { 16522 procState = ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND; 16523 } 16524 app.adjType = "backup"; 16525 app.cached = false; 16526 } 16527 if (procState > ActivityManager.PROCESS_STATE_BACKUP) { 16528 procState = ActivityManager.PROCESS_STATE_BACKUP; 16529 } 16530 } 16531 16532 boolean mayBeTop = false; 16533 16534 for (int is = app.services.size()-1; 16535 is >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16536 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16537 || procState > ActivityManager.PROCESS_STATE_TOP); 16538 is--) { 16539 ServiceRecord s = app.services.valueAt(is); 16540 if (s.startRequested) { 16541 app.hasStartedServices = true; 16542 if (procState > ActivityManager.PROCESS_STATE_SERVICE) { 16543 procState = ActivityManager.PROCESS_STATE_SERVICE; 16544 } 16545 if (app.hasShownUi && app != mHomeProcess) { 16546 // If this process has shown some UI, let it immediately 16547 // go to the LRU list because it may be pretty heavy with 16548 // UI stuff. We'll tag it with a label just to help 16549 // debug and understand what is going on. 16550 if (adj > ProcessList.SERVICE_ADJ) { 16551 app.adjType = "cch-started-ui-services"; 16552 } 16553 } else { 16554 if (now < (s.lastActivity + ActiveServices.MAX_SERVICE_INACTIVITY)) { 16555 // This service has seen some activity within 16556 // recent memory, so we will keep its process ahead 16557 // of the background processes. 16558 if (adj > ProcessList.SERVICE_ADJ) { 16559 adj = ProcessList.SERVICE_ADJ; 16560 app.adjType = "started-services"; 16561 app.cached = false; 16562 } 16563 } 16564 // If we have let the service slide into the background 16565 // state, still have some text describing what it is doing 16566 // even though the service no longer has an impact. 16567 if (adj > ProcessList.SERVICE_ADJ) { 16568 app.adjType = "cch-started-services"; 16569 } 16570 } 16571 } 16572 for (int conni = s.connections.size()-1; 16573 conni >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16574 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16575 || procState > ActivityManager.PROCESS_STATE_TOP); 16576 conni--) { 16577 ArrayList<ConnectionRecord> clist = s.connections.valueAt(conni); 16578 for (int i = 0; 16579 i < clist.size() && (adj > ProcessList.FOREGROUND_APP_ADJ 16580 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16581 || procState > ActivityManager.PROCESS_STATE_TOP); 16582 i++) { 16583 // XXX should compute this based on the max of 16584 // all connected clients. 16585 ConnectionRecord cr = clist.get(i); 16586 if (cr.binding.client == app) { 16587 // Binding to ourself is not interesting. 16588 continue; 16589 } 16590 if ((cr.flags&Context.BIND_WAIVE_PRIORITY) == 0) { 16591 ProcessRecord client = cr.binding.client; 16592 int clientAdj = computeOomAdjLocked(client, cachedAdj, 16593 TOP_APP, doingAll, now); 16594 int clientProcState = client.curProcState; 16595 if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16596 // If the other app is cached for any reason, for purposes here 16597 // we are going to consider it empty. The specific cached state 16598 // doesn't propagate except under certain conditions. 16599 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16600 } 16601 String adjType = null; 16602 if ((cr.flags&Context.BIND_ALLOW_OOM_MANAGEMENT) != 0) { 16603 // Not doing bind OOM management, so treat 16604 // this guy more like a started service. 16605 if (app.hasShownUi && app != mHomeProcess) { 16606 // If this process has shown some UI, let it immediately 16607 // go to the LRU list because it may be pretty heavy with 16608 // UI stuff. We'll tag it with a label just to help 16609 // debug and understand what is going on. 16610 if (adj > clientAdj) { 16611 adjType = "cch-bound-ui-services"; 16612 } 16613 app.cached = false; 16614 clientAdj = adj; 16615 clientProcState = procState; 16616 } else { 16617 if (now >= (s.lastActivity 16618 + ActiveServices.MAX_SERVICE_INACTIVITY)) { 16619 // This service has not seen activity within 16620 // recent memory, so allow it to drop to the 16621 // LRU list if there is no other reason to keep 16622 // it around. We'll also tag it with a label just 16623 // to help debug and undertand what is going on. 16624 if (adj > clientAdj) { 16625 adjType = "cch-bound-services"; 16626 } 16627 clientAdj = adj; 16628 } 16629 } 16630 } 16631 if (adj > clientAdj) { 16632 // If this process has recently shown UI, and 16633 // the process that is binding to it is less 16634 // important than being visible, then we don't 16635 // care about the binding as much as we care 16636 // about letting this process get into the LRU 16637 // list to be killed and restarted if needed for 16638 // memory. 16639 if (app.hasShownUi && app != mHomeProcess 16640 && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16641 adjType = "cch-bound-ui-services"; 16642 } else { 16643 if ((cr.flags&(Context.BIND_ABOVE_CLIENT 16644 |Context.BIND_IMPORTANT)) != 0) { 16645 adj = clientAdj; 16646 } else if ((cr.flags&Context.BIND_NOT_VISIBLE) != 0 16647 && clientAdj < ProcessList.PERCEPTIBLE_APP_ADJ 16648 && adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16649 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16650 } else if (clientAdj > ProcessList.VISIBLE_APP_ADJ) { 16651 adj = clientAdj; 16652 } else { 16653 if (adj > ProcessList.VISIBLE_APP_ADJ) { 16654 adj = ProcessList.VISIBLE_APP_ADJ; 16655 } 16656 } 16657 if (!client.cached) { 16658 app.cached = false; 16659 } 16660 adjType = "service"; 16661 } 16662 } 16663 if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { 16664 if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { 16665 schedGroup = Process.THREAD_GROUP_DEFAULT; 16666 } 16667 if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) { 16668 if (clientProcState == ActivityManager.PROCESS_STATE_TOP) { 16669 // Special handling of clients who are in the top state. 16670 // We *may* want to consider this process to be in the 16671 // top state as well, but only if there is not another 16672 // reason for it to be running. Being on the top is a 16673 // special state, meaning you are specifically running 16674 // for the current top app. If the process is already 16675 // running in the background for some other reason, it 16676 // is more important to continue considering it to be 16677 // in the background state. 16678 mayBeTop = true; 16679 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16680 } else { 16681 // Special handling for above-top states (persistent 16682 // processes). These should not bring the current process 16683 // into the top state, since they are not on top. Instead 16684 // give them the best state after that. 16685 clientProcState = 16686 ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16687 } 16688 } 16689 } else { 16690 if (clientProcState < 16691 ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND) { 16692 clientProcState = 16693 ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND; 16694 } 16695 } 16696 if (procState > clientProcState) { 16697 procState = clientProcState; 16698 } 16699 if (procState < ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 16700 && (cr.flags&Context.BIND_SHOWING_UI) != 0) { 16701 app.pendingUiClean = true; 16702 } 16703 if (adjType != null) { 16704 app.adjType = adjType; 16705 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 16706 .REASON_SERVICE_IN_USE; 16707 app.adjSource = cr.binding.client; 16708 app.adjSourceProcState = clientProcState; 16709 app.adjTarget = s.name; 16710 } 16711 } 16712 if ((cr.flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 16713 app.treatLikeActivity = true; 16714 } 16715 final ActivityRecord a = cr.activity; 16716 if ((cr.flags&Context.BIND_ADJUST_WITH_ACTIVITY) != 0) { 16717 if (a != null && adj > ProcessList.FOREGROUND_APP_ADJ && 16718 (a.visible || a.state == ActivityState.RESUMED 16719 || a.state == ActivityState.PAUSING)) { 16720 adj = ProcessList.FOREGROUND_APP_ADJ; 16721 if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { 16722 schedGroup = Process.THREAD_GROUP_DEFAULT; 16723 } 16724 app.cached = false; 16725 app.adjType = "service"; 16726 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 16727 .REASON_SERVICE_IN_USE; 16728 app.adjSource = a; 16729 app.adjSourceProcState = procState; 16730 app.adjTarget = s.name; 16731 } 16732 } 16733 } 16734 } 16735 } 16736 16737 for (int provi = app.pubProviders.size()-1; 16738 provi >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16739 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16740 || procState > ActivityManager.PROCESS_STATE_TOP); 16741 provi--) { 16742 ContentProviderRecord cpr = app.pubProviders.valueAt(provi); 16743 for (int i = cpr.connections.size()-1; 16744 i >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16745 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16746 || procState > ActivityManager.PROCESS_STATE_TOP); 16747 i--) { 16748 ContentProviderConnection conn = cpr.connections.get(i); 16749 ProcessRecord client = conn.client; 16750 if (client == app) { 16751 // Being our own client is not interesting. 16752 continue; 16753 } 16754 int clientAdj = computeOomAdjLocked(client, cachedAdj, TOP_APP, doingAll, now); 16755 int clientProcState = client.curProcState; 16756 if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16757 // If the other app is cached for any reason, for purposes here 16758 // we are going to consider it empty. 16759 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16760 } 16761 if (adj > clientAdj) { 16762 if (app.hasShownUi && app != mHomeProcess 16763 && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16764 app.adjType = "cch-ui-provider"; 16765 } else { 16766 adj = clientAdj > ProcessList.FOREGROUND_APP_ADJ 16767 ? clientAdj : ProcessList.FOREGROUND_APP_ADJ; 16768 app.adjType = "provider"; 16769 } 16770 app.cached &= client.cached; 16771 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 16772 .REASON_PROVIDER_IN_USE; 16773 app.adjSource = client; 16774 app.adjSourceProcState = clientProcState; 16775 app.adjTarget = cpr.name; 16776 } 16777 if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) { 16778 if (clientProcState == ActivityManager.PROCESS_STATE_TOP) { 16779 // Special handling of clients who are in the top state. 16780 // We *may* want to consider this process to be in the 16781 // top state as well, but only if there is not another 16782 // reason for it to be running. Being on the top is a 16783 // special state, meaning you are specifically running 16784 // for the current top app. If the process is already 16785 // running in the background for some other reason, it 16786 // is more important to continue considering it to be 16787 // in the background state. 16788 mayBeTop = true; 16789 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16790 } else { 16791 // Special handling for above-top states (persistent 16792 // processes). These should not bring the current process 16793 // into the top state, since they are not on top. Instead 16794 // give them the best state after that. 16795 clientProcState = 16796 ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16797 } 16798 } 16799 if (procState > clientProcState) { 16800 procState = clientProcState; 16801 } 16802 if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { 16803 schedGroup = Process.THREAD_GROUP_DEFAULT; 16804 } 16805 } 16806 // If the provider has external (non-framework) process 16807 // dependencies, ensure that its adjustment is at least 16808 // FOREGROUND_APP_ADJ. 16809 if (cpr.hasExternalProcessHandles()) { 16810 if (adj > ProcessList.FOREGROUND_APP_ADJ) { 16811 adj = ProcessList.FOREGROUND_APP_ADJ; 16812 schedGroup = Process.THREAD_GROUP_DEFAULT; 16813 app.cached = false; 16814 app.adjType = "provider"; 16815 app.adjTarget = cpr.name; 16816 } 16817 if (procState > ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND) { 16818 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16819 } 16820 } 16821 } 16822 16823 if (mayBeTop && procState > ActivityManager.PROCESS_STATE_TOP) { 16824 // A client of one of our services or providers is in the top state. We 16825 // *may* want to be in the top state, but not if we are already running in 16826 // the background for some other reason. For the decision here, we are going 16827 // to pick out a few specific states that we want to remain in when a client 16828 // is top (states that tend to be longer-term) and otherwise allow it to go 16829 // to the top state. 16830 switch (procState) { 16831 case ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND: 16832 case ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND: 16833 case ActivityManager.PROCESS_STATE_SERVICE: 16834 // These all are longer-term states, so pull them up to the top 16835 // of the background states, but not all the way to the top state. 16836 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16837 break; 16838 default: 16839 // Otherwise, top is a better choice, so take it. 16840 procState = ActivityManager.PROCESS_STATE_TOP; 16841 break; 16842 } 16843 } 16844 16845 if (procState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { 16846 if (app.hasClientActivities) { 16847 // This is a cached process, but with client activities. Mark it so. 16848 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; 16849 app.adjType = "cch-client-act"; 16850 } else if (app.treatLikeActivity) { 16851 // This is a cached process, but somebody wants us to treat it like it has 16852 // an activity, okay! 16853 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 16854 app.adjType = "cch-as-act"; 16855 } 16856 } 16857 16858 if (adj == ProcessList.SERVICE_ADJ) { 16859 if (doingAll) { 16860 app.serviceb = mNewNumAServiceProcs > (mNumServiceProcs/3); 16861 mNewNumServiceProcs++; 16862 //Slog.i(TAG, "ADJ " + app + " serviceb=" + app.serviceb); 16863 if (!app.serviceb) { 16864 // This service isn't far enough down on the LRU list to 16865 // normally be a B service, but if we are low on RAM and it 16866 // is large we want to force it down since we would prefer to 16867 // keep launcher over it. 16868 if (mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL 16869 && app.lastPss >= mProcessList.getCachedRestoreThresholdKb()) { 16870 app.serviceHighRam = true; 16871 app.serviceb = true; 16872 //Slog.i(TAG, "ADJ " + app + " high ram!"); 16873 } else { 16874 mNewNumAServiceProcs++; 16875 //Slog.i(TAG, "ADJ " + app + " not high ram!"); 16876 } 16877 } else { 16878 app.serviceHighRam = false; 16879 } 16880 } 16881 if (app.serviceb) { 16882 adj = ProcessList.SERVICE_B_ADJ; 16883 } 16884 } 16885 16886 app.curRawAdj = adj; 16887 16888 //Slog.i(TAG, "OOM ADJ " + app + ": pid=" + app.pid + 16889 // " adj=" + adj + " curAdj=" + app.curAdj + " maxAdj=" + app.maxAdj); 16890 if (adj > app.maxAdj) { 16891 adj = app.maxAdj; 16892 if (app.maxAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { 16893 schedGroup = Process.THREAD_GROUP_DEFAULT; 16894 } 16895 } 16896 16897 // Do final modification to adj. Everything we do between here and applying 16898 // the final setAdj must be done in this function, because we will also use 16899 // it when computing the final cached adj later. Note that we don't need to 16900 // worry about this for max adj above, since max adj will always be used to 16901 // keep it out of the cached vaues. 16902 app.curAdj = app.modifyRawOomAdj(adj); 16903 app.curSchedGroup = schedGroup; 16904 app.curProcState = procState; 16905 app.foregroundActivities = foregroundActivities; 16906 16907 return app.curRawAdj; 16908 } 16909 16910 /** 16911 * Schedule PSS collection of a process. 16912 */ 16913 void requestPssLocked(ProcessRecord proc, int procState) { 16914 if (mPendingPssProcesses.contains(proc)) { 16915 return; 16916 } 16917 if (mPendingPssProcesses.size() == 0) { 16918 mBgHandler.sendEmptyMessage(COLLECT_PSS_BG_MSG); 16919 } 16920 if (DEBUG_PSS) Slog.d(TAG, "Requesting PSS of: " + proc); 16921 proc.pssProcState = procState; 16922 mPendingPssProcesses.add(proc); 16923 } 16924 16925 /** 16926 * Schedule PSS collection of all processes. 16927 */ 16928 void requestPssAllProcsLocked(long now, boolean always, boolean memLowered) { 16929 if (!always) { 16930 if (now < (mLastFullPssTime + 16931 (memLowered ? FULL_PSS_LOWERED_INTERVAL : FULL_PSS_MIN_INTERVAL))) { 16932 return; 16933 } 16934 } 16935 if (DEBUG_PSS) Slog.d(TAG, "Requesting PSS of all procs! memLowered=" + memLowered); 16936 mLastFullPssTime = now; 16937 mFullPssPending = true; 16938 mPendingPssProcesses.ensureCapacity(mLruProcesses.size()); 16939 mPendingPssProcesses.clear(); 16940 for (int i=mLruProcesses.size()-1; i>=0; i--) { 16941 ProcessRecord app = mLruProcesses.get(i); 16942 if (memLowered || now > (app.lastStateTime+ProcessList.PSS_ALL_INTERVAL)) { 16943 app.pssProcState = app.setProcState; 16944 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, true, 16945 isSleeping(), now); 16946 mPendingPssProcesses.add(app); 16947 } 16948 } 16949 mBgHandler.sendEmptyMessage(COLLECT_PSS_BG_MSG); 16950 } 16951 16952 /** 16953 * Ask a given process to GC right now. 16954 */ 16955 final void performAppGcLocked(ProcessRecord app) { 16956 try { 16957 app.lastRequestedGc = SystemClock.uptimeMillis(); 16958 if (app.thread != null) { 16959 if (app.reportLowMemory) { 16960 app.reportLowMemory = false; 16961 app.thread.scheduleLowMemory(); 16962 } else { 16963 app.thread.processInBackground(); 16964 } 16965 } 16966 } catch (Exception e) { 16967 // whatever. 16968 } 16969 } 16970 16971 /** 16972 * Returns true if things are idle enough to perform GCs. 16973 */ 16974 private final boolean canGcNowLocked() { 16975 boolean processingBroadcasts = false; 16976 for (BroadcastQueue q : mBroadcastQueues) { 16977 if (q.mParallelBroadcasts.size() != 0 || q.mOrderedBroadcasts.size() != 0) { 16978 processingBroadcasts = true; 16979 } 16980 } 16981 return !processingBroadcasts 16982 && (isSleeping() || mStackSupervisor.allResumedActivitiesIdle()); 16983 } 16984 16985 /** 16986 * Perform GCs on all processes that are waiting for it, but only 16987 * if things are idle. 16988 */ 16989 final void performAppGcsLocked() { 16990 final int N = mProcessesToGc.size(); 16991 if (N <= 0) { 16992 return; 16993 } 16994 if (canGcNowLocked()) { 16995 while (mProcessesToGc.size() > 0) { 16996 ProcessRecord proc = mProcessesToGc.remove(0); 16997 if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ || proc.reportLowMemory) { 16998 if ((proc.lastRequestedGc+GC_MIN_INTERVAL) 16999 <= SystemClock.uptimeMillis()) { 17000 // To avoid spamming the system, we will GC processes one 17001 // at a time, waiting a few seconds between each. 17002 performAppGcLocked(proc); 17003 scheduleAppGcsLocked(); 17004 return; 17005 } else { 17006 // It hasn't been long enough since we last GCed this 17007 // process... put it in the list to wait for its time. 17008 addProcessToGcListLocked(proc); 17009 break; 17010 } 17011 } 17012 } 17013 17014 scheduleAppGcsLocked(); 17015 } 17016 } 17017 17018 /** 17019 * If all looks good, perform GCs on all processes waiting for them. 17020 */ 17021 final void performAppGcsIfAppropriateLocked() { 17022 if (canGcNowLocked()) { 17023 performAppGcsLocked(); 17024 return; 17025 } 17026 // Still not idle, wait some more. 17027 scheduleAppGcsLocked(); 17028 } 17029 17030 /** 17031 * Schedule the execution of all pending app GCs. 17032 */ 17033 final void scheduleAppGcsLocked() { 17034 mHandler.removeMessages(GC_BACKGROUND_PROCESSES_MSG); 17035 17036 if (mProcessesToGc.size() > 0) { 17037 // Schedule a GC for the time to the next process. 17038 ProcessRecord proc = mProcessesToGc.get(0); 17039 Message msg = mHandler.obtainMessage(GC_BACKGROUND_PROCESSES_MSG); 17040 17041 long when = proc.lastRequestedGc + GC_MIN_INTERVAL; 17042 long now = SystemClock.uptimeMillis(); 17043 if (when < (now+GC_TIMEOUT)) { 17044 when = now + GC_TIMEOUT; 17045 } 17046 mHandler.sendMessageAtTime(msg, when); 17047 } 17048 } 17049 17050 /** 17051 * Add a process to the array of processes waiting to be GCed. Keeps the 17052 * list in sorted order by the last GC time. The process can't already be 17053 * on the list. 17054 */ 17055 final void addProcessToGcListLocked(ProcessRecord proc) { 17056 boolean added = false; 17057 for (int i=mProcessesToGc.size()-1; i>=0; i--) { 17058 if (mProcessesToGc.get(i).lastRequestedGc < 17059 proc.lastRequestedGc) { 17060 added = true; 17061 mProcessesToGc.add(i+1, proc); 17062 break; 17063 } 17064 } 17065 if (!added) { 17066 mProcessesToGc.add(0, proc); 17067 } 17068 } 17069 17070 /** 17071 * Set up to ask a process to GC itself. This will either do it 17072 * immediately, or put it on the list of processes to gc the next 17073 * time things are idle. 17074 */ 17075 final void scheduleAppGcLocked(ProcessRecord app) { 17076 long now = SystemClock.uptimeMillis(); 17077 if ((app.lastRequestedGc+GC_MIN_INTERVAL) > now) { 17078 return; 17079 } 17080 if (!mProcessesToGc.contains(app)) { 17081 addProcessToGcListLocked(app); 17082 scheduleAppGcsLocked(); 17083 } 17084 } 17085 17086 final void checkExcessivePowerUsageLocked(boolean doKills) { 17087 updateCpuStatsNow(); 17088 17089 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 17090 boolean doWakeKills = doKills; 17091 boolean doCpuKills = doKills; 17092 if (mLastPowerCheckRealtime == 0) { 17093 doWakeKills = false; 17094 } 17095 if (mLastPowerCheckUptime == 0) { 17096 doCpuKills = false; 17097 } 17098 if (stats.isScreenOn()) { 17099 doWakeKills = false; 17100 } 17101 final long curRealtime = SystemClock.elapsedRealtime(); 17102 final long realtimeSince = curRealtime - mLastPowerCheckRealtime; 17103 final long curUptime = SystemClock.uptimeMillis(); 17104 final long uptimeSince = curUptime - mLastPowerCheckUptime; 17105 mLastPowerCheckRealtime = curRealtime; 17106 mLastPowerCheckUptime = curUptime; 17107 if (realtimeSince < WAKE_LOCK_MIN_CHECK_DURATION) { 17108 doWakeKills = false; 17109 } 17110 if (uptimeSince < CPU_MIN_CHECK_DURATION) { 17111 doCpuKills = false; 17112 } 17113 int i = mLruProcesses.size(); 17114 while (i > 0) { 17115 i--; 17116 ProcessRecord app = mLruProcesses.get(i); 17117 if (app.setProcState >= ActivityManager.PROCESS_STATE_HOME) { 17118 long wtime; 17119 synchronized (stats) { 17120 wtime = stats.getProcessWakeTime(app.info.uid, 17121 app.pid, curRealtime); 17122 } 17123 long wtimeUsed = wtime - app.lastWakeTime; 17124 long cputimeUsed = app.curCpuTime - app.lastCpuTime; 17125 if (DEBUG_POWER) { 17126 StringBuilder sb = new StringBuilder(128); 17127 sb.append("Wake for "); 17128 app.toShortString(sb); 17129 sb.append(": over "); 17130 TimeUtils.formatDuration(realtimeSince, sb); 17131 sb.append(" used "); 17132 TimeUtils.formatDuration(wtimeUsed, sb); 17133 sb.append(" ("); 17134 sb.append((wtimeUsed*100)/realtimeSince); 17135 sb.append("%)"); 17136 Slog.i(TAG, sb.toString()); 17137 sb.setLength(0); 17138 sb.append("CPU for "); 17139 app.toShortString(sb); 17140 sb.append(": over "); 17141 TimeUtils.formatDuration(uptimeSince, sb); 17142 sb.append(" used "); 17143 TimeUtils.formatDuration(cputimeUsed, sb); 17144 sb.append(" ("); 17145 sb.append((cputimeUsed*100)/uptimeSince); 17146 sb.append("%)"); 17147 Slog.i(TAG, sb.toString()); 17148 } 17149 // If a process has held a wake lock for more 17150 // than 50% of the time during this period, 17151 // that sounds bad. Kill! 17152 if (doWakeKills && realtimeSince > 0 17153 && ((wtimeUsed*100)/realtimeSince) >= 50) { 17154 synchronized (stats) { 17155 stats.reportExcessiveWakeLocked(app.info.uid, app.processName, 17156 realtimeSince, wtimeUsed); 17157 } 17158 app.kill("excessive wake held " + wtimeUsed + " during " + realtimeSince, true); 17159 app.baseProcessTracker.reportExcessiveWake(app.pkgList); 17160 } else if (doCpuKills && uptimeSince > 0 17161 && ((cputimeUsed*100)/uptimeSince) >= 25) { 17162 synchronized (stats) { 17163 stats.reportExcessiveCpuLocked(app.info.uid, app.processName, 17164 uptimeSince, cputimeUsed); 17165 } 17166 app.kill("excessive cpu " + cputimeUsed + " during " + uptimeSince, true); 17167 app.baseProcessTracker.reportExcessiveCpu(app.pkgList); 17168 } else { 17169 app.lastWakeTime = wtime; 17170 app.lastCpuTime = app.curCpuTime; 17171 } 17172 } 17173 } 17174 } 17175 17176 private final boolean applyOomAdjLocked(ProcessRecord app, 17177 ProcessRecord TOP_APP, boolean doingAll, long now) { 17178 boolean success = true; 17179 17180 if (app.curRawAdj != app.setRawAdj) { 17181 app.setRawAdj = app.curRawAdj; 17182 } 17183 17184 int changes = 0; 17185 17186 if (app.curAdj != app.setAdj) { 17187 ProcessList.setOomAdj(app.pid, app.info.uid, app.curAdj); 17188 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v( 17189 TAG, "Set " + app.pid + " " + app.processName + 17190 " adj " + app.curAdj + ": " + app.adjType); 17191 app.setAdj = app.curAdj; 17192 } 17193 17194 if (app.setSchedGroup != app.curSchedGroup) { 17195 app.setSchedGroup = app.curSchedGroup; 17196 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17197 "Setting process group of " + app.processName 17198 + " to " + app.curSchedGroup); 17199 if (app.waitingToKill != null && 17200 app.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { 17201 app.kill(app.waitingToKill, true); 17202 success = false; 17203 } else { 17204 if (true) { 17205 long oldId = Binder.clearCallingIdentity(); 17206 try { 17207 Process.setProcessGroup(app.pid, app.curSchedGroup); 17208 } catch (Exception e) { 17209 Slog.w(TAG, "Failed setting process group of " + app.pid 17210 + " to " + app.curSchedGroup); 17211 e.printStackTrace(); 17212 } finally { 17213 Binder.restoreCallingIdentity(oldId); 17214 } 17215 } else { 17216 if (app.thread != null) { 17217 try { 17218 app.thread.setSchedulingGroup(app.curSchedGroup); 17219 } catch (RemoteException e) { 17220 } 17221 } 17222 } 17223 Process.setSwappiness(app.pid, 17224 app.curSchedGroup <= Process.THREAD_GROUP_BG_NONINTERACTIVE); 17225 } 17226 } 17227 if (app.repForegroundActivities != app.foregroundActivities) { 17228 app.repForegroundActivities = app.foregroundActivities; 17229 changes |= ProcessChangeItem.CHANGE_ACTIVITIES; 17230 } 17231 if (app.repProcState != app.curProcState) { 17232 app.repProcState = app.curProcState; 17233 changes |= ProcessChangeItem.CHANGE_PROCESS_STATE; 17234 if (app.thread != null) { 17235 try { 17236 if (false) { 17237 //RuntimeException h = new RuntimeException("here"); 17238 Slog.i(TAG, "Sending new process state " + app.repProcState 17239 + " to " + app /*, h*/); 17240 } 17241 app.thread.setProcessState(app.repProcState); 17242 } catch (RemoteException e) { 17243 } 17244 } 17245 } 17246 if (app.setProcState < 0 || ProcessList.procStatesDifferForMem(app.curProcState, 17247 app.setProcState)) { 17248 app.lastStateTime = now; 17249 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, true, 17250 isSleeping(), now); 17251 if (DEBUG_PSS) Slog.d(TAG, "Process state change from " 17252 + ProcessList.makeProcStateString(app.setProcState) + " to " 17253 + ProcessList.makeProcStateString(app.curProcState) + " next pss in " 17254 + (app.nextPssTime-now) + ": " + app); 17255 } else { 17256 if (now > app.nextPssTime || (now > (app.lastPssTime+ProcessList.PSS_MAX_INTERVAL) 17257 && now > (app.lastStateTime+ProcessList.PSS_MIN_TIME_FROM_STATE_CHANGE))) { 17258 requestPssLocked(app, app.setProcState); 17259 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, false, 17260 isSleeping(), now); 17261 } else if (false && DEBUG_PSS) { 17262 Slog.d(TAG, "Not requesting PSS of " + app + ": next=" + (app.nextPssTime-now)); 17263 } 17264 } 17265 if (app.setProcState != app.curProcState) { 17266 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17267 "Proc state change of " + app.processName 17268 + " to " + app.curProcState); 17269 boolean setImportant = app.setProcState < ActivityManager.PROCESS_STATE_SERVICE; 17270 boolean curImportant = app.curProcState < ActivityManager.PROCESS_STATE_SERVICE; 17271 if (setImportant && !curImportant) { 17272 // This app is no longer something we consider important enough to allow to 17273 // use arbitrary amounts of battery power. Note 17274 // its current wake lock time to later know to kill it if 17275 // it is not behaving well. 17276 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 17277 synchronized (stats) { 17278 app.lastWakeTime = stats.getProcessWakeTime(app.info.uid, 17279 app.pid, SystemClock.elapsedRealtime()); 17280 } 17281 app.lastCpuTime = app.curCpuTime; 17282 17283 } 17284 app.setProcState = app.curProcState; 17285 if (app.setProcState >= ActivityManager.PROCESS_STATE_HOME) { 17286 app.notCachedSinceIdle = false; 17287 } 17288 if (!doingAll) { 17289 setProcessTrackerStateLocked(app, mProcessStats.getMemFactorLocked(), now); 17290 } else { 17291 app.procStateChanged = true; 17292 } 17293 } 17294 17295 if (changes != 0) { 17296 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Changes in " + app + ": " + changes); 17297 int i = mPendingProcessChanges.size()-1; 17298 ProcessChangeItem item = null; 17299 while (i >= 0) { 17300 item = mPendingProcessChanges.get(i); 17301 if (item.pid == app.pid) { 17302 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Re-using existing item: " + item); 17303 break; 17304 } 17305 i--; 17306 } 17307 if (i < 0) { 17308 // No existing item in pending changes; need a new one. 17309 final int NA = mAvailProcessChanges.size(); 17310 if (NA > 0) { 17311 item = mAvailProcessChanges.remove(NA-1); 17312 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Retreiving available item: " + item); 17313 } else { 17314 item = new ProcessChangeItem(); 17315 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Allocating new item: " + item); 17316 } 17317 item.changes = 0; 17318 item.pid = app.pid; 17319 item.uid = app.info.uid; 17320 if (mPendingProcessChanges.size() == 0) { 17321 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, 17322 "*** Enqueueing dispatch processes changed!"); 17323 mHandler.obtainMessage(DISPATCH_PROCESSES_CHANGED).sendToTarget(); 17324 } 17325 mPendingProcessChanges.add(item); 17326 } 17327 item.changes |= changes; 17328 item.processState = app.repProcState; 17329 item.foregroundActivities = app.repForegroundActivities; 17330 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Item " 17331 + Integer.toHexString(System.identityHashCode(item)) 17332 + " " + app.toShortString() + ": changes=" + item.changes 17333 + " procState=" + item.processState 17334 + " foreground=" + item.foregroundActivities 17335 + " type=" + app.adjType + " source=" + app.adjSource 17336 + " target=" + app.adjTarget); 17337 } 17338 17339 return success; 17340 } 17341 17342 private final void setProcessTrackerStateLocked(ProcessRecord proc, int memFactor, long now) { 17343 if (proc.thread != null) { 17344 if (proc.baseProcessTracker != null) { 17345 proc.baseProcessTracker.setState(proc.repProcState, memFactor, now, proc.pkgList); 17346 } 17347 if (proc.repProcState >= 0) { 17348 mBatteryStatsService.noteProcessState(proc.processName, proc.info.uid, 17349 proc.repProcState); 17350 } 17351 } 17352 } 17353 17354 private final boolean updateOomAdjLocked(ProcessRecord app, int cachedAdj, 17355 ProcessRecord TOP_APP, boolean doingAll, long now) { 17356 if (app.thread == null) { 17357 return false; 17358 } 17359 17360 computeOomAdjLocked(app, cachedAdj, TOP_APP, doingAll, now); 17361 17362 return applyOomAdjLocked(app, TOP_APP, doingAll, now); 17363 } 17364 17365 final void updateProcessForegroundLocked(ProcessRecord proc, boolean isForeground, 17366 boolean oomAdj) { 17367 if (isForeground != proc.foregroundServices) { 17368 proc.foregroundServices = isForeground; 17369 ArrayList<ProcessRecord> curProcs = mForegroundPackages.get(proc.info.packageName, 17370 proc.info.uid); 17371 if (isForeground) { 17372 if (curProcs == null) { 17373 curProcs = new ArrayList<ProcessRecord>(); 17374 mForegroundPackages.put(proc.info.packageName, proc.info.uid, curProcs); 17375 } 17376 if (!curProcs.contains(proc)) { 17377 curProcs.add(proc); 17378 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_FOREGROUND_START, 17379 proc.info.packageName, proc.info.uid); 17380 } 17381 } else { 17382 if (curProcs != null) { 17383 if (curProcs.remove(proc)) { 17384 mBatteryStatsService.noteEvent( 17385 BatteryStats.HistoryItem.EVENT_FOREGROUND_FINISH, 17386 proc.info.packageName, proc.info.uid); 17387 if (curProcs.size() <= 0) { 17388 mForegroundPackages.remove(proc.info.packageName, proc.info.uid); 17389 } 17390 } 17391 } 17392 } 17393 if (oomAdj) { 17394 updateOomAdjLocked(); 17395 } 17396 } 17397 } 17398 17399 private final ActivityRecord resumedAppLocked() { 17400 ActivityRecord act = mStackSupervisor.resumedAppLocked(); 17401 String pkg; 17402 int uid; 17403 if (act != null) { 17404 pkg = act.packageName; 17405 uid = act.info.applicationInfo.uid; 17406 } else { 17407 pkg = null; 17408 uid = -1; 17409 } 17410 // Has the UID or resumed package name changed? 17411 if (uid != mCurResumedUid || (pkg != mCurResumedPackage 17412 && (pkg == null || !pkg.equals(mCurResumedPackage)))) { 17413 if (mCurResumedPackage != null) { 17414 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_TOP_FINISH, 17415 mCurResumedPackage, mCurResumedUid); 17416 } 17417 mCurResumedPackage = pkg; 17418 mCurResumedUid = uid; 17419 if (mCurResumedPackage != null) { 17420 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_TOP_START, 17421 mCurResumedPackage, mCurResumedUid); 17422 } 17423 } 17424 return act; 17425 } 17426 17427 final boolean updateOomAdjLocked(ProcessRecord app) { 17428 final ActivityRecord TOP_ACT = resumedAppLocked(); 17429 final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; 17430 final boolean wasCached = app.cached; 17431 17432 mAdjSeq++; 17433 17434 // This is the desired cached adjusment we want to tell it to use. 17435 // If our app is currently cached, we know it, and that is it. Otherwise, 17436 // we don't know it yet, and it needs to now be cached we will then 17437 // need to do a complete oom adj. 17438 final int cachedAdj = app.curRawAdj >= ProcessList.CACHED_APP_MIN_ADJ 17439 ? app.curRawAdj : ProcessList.UNKNOWN_ADJ; 17440 boolean success = updateOomAdjLocked(app, cachedAdj, TOP_APP, false, 17441 SystemClock.uptimeMillis()); 17442 if (wasCached != app.cached || app.curRawAdj == ProcessList.UNKNOWN_ADJ) { 17443 // Changed to/from cached state, so apps after it in the LRU 17444 // list may also be changed. 17445 updateOomAdjLocked(); 17446 } 17447 return success; 17448 } 17449 17450 final void updateOomAdjLocked() { 17451 final ActivityRecord TOP_ACT = resumedAppLocked(); 17452 final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; 17453 final long now = SystemClock.uptimeMillis(); 17454 final long oldTime = now - ProcessList.MAX_EMPTY_TIME; 17455 final int N = mLruProcesses.size(); 17456 17457 if (false) { 17458 RuntimeException e = new RuntimeException(); 17459 e.fillInStackTrace(); 17460 Slog.i(TAG, "updateOomAdj: top=" + TOP_ACT, e); 17461 } 17462 17463 mAdjSeq++; 17464 mNewNumServiceProcs = 0; 17465 mNewNumAServiceProcs = 0; 17466 17467 final int emptyProcessLimit; 17468 final int cachedProcessLimit; 17469 if (mProcessLimit <= 0) { 17470 emptyProcessLimit = cachedProcessLimit = 0; 17471 } else if (mProcessLimit == 1) { 17472 emptyProcessLimit = 1; 17473 cachedProcessLimit = 0; 17474 } else { 17475 emptyProcessLimit = ProcessList.computeEmptyProcessLimit(mProcessLimit); 17476 cachedProcessLimit = mProcessLimit - emptyProcessLimit; 17477 } 17478 17479 // Let's determine how many processes we have running vs. 17480 // how many slots we have for background processes; we may want 17481 // to put multiple processes in a slot of there are enough of 17482 // them. 17483 int numSlots = (ProcessList.CACHED_APP_MAX_ADJ 17484 - ProcessList.CACHED_APP_MIN_ADJ + 1) / 2; 17485 int numEmptyProcs = N - mNumNonCachedProcs - mNumCachedHiddenProcs; 17486 if (numEmptyProcs > cachedProcessLimit) { 17487 // If there are more empty processes than our limit on cached 17488 // processes, then use the cached process limit for the factor. 17489 // This ensures that the really old empty processes get pushed 17490 // down to the bottom, so if we are running low on memory we will 17491 // have a better chance at keeping around more cached processes 17492 // instead of a gazillion empty processes. 17493 numEmptyProcs = cachedProcessLimit; 17494 } 17495 int emptyFactor = numEmptyProcs/numSlots; 17496 if (emptyFactor < 1) emptyFactor = 1; 17497 int cachedFactor = (mNumCachedHiddenProcs > 0 ? mNumCachedHiddenProcs : 1)/numSlots; 17498 if (cachedFactor < 1) cachedFactor = 1; 17499 int stepCached = 0; 17500 int stepEmpty = 0; 17501 int numCached = 0; 17502 int numEmpty = 0; 17503 int numTrimming = 0; 17504 17505 mNumNonCachedProcs = 0; 17506 mNumCachedHiddenProcs = 0; 17507 17508 // First update the OOM adjustment for each of the 17509 // application processes based on their current state. 17510 int curCachedAdj = ProcessList.CACHED_APP_MIN_ADJ; 17511 int nextCachedAdj = curCachedAdj+1; 17512 int curEmptyAdj = ProcessList.CACHED_APP_MIN_ADJ; 17513 int nextEmptyAdj = curEmptyAdj+2; 17514 for (int i=N-1; i>=0; i--) { 17515 ProcessRecord app = mLruProcesses.get(i); 17516 if (!app.killedByAm && app.thread != null) { 17517 app.procStateChanged = false; 17518 computeOomAdjLocked(app, ProcessList.UNKNOWN_ADJ, TOP_APP, true, now); 17519 17520 // If we haven't yet assigned the final cached adj 17521 // to the process, do that now. 17522 if (app.curAdj >= ProcessList.UNKNOWN_ADJ) { 17523 switch (app.curProcState) { 17524 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: 17525 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 17526 // This process is a cached process holding activities... 17527 // assign it the next cached value for that type, and then 17528 // step that cached level. 17529 app.curRawAdj = curCachedAdj; 17530 app.curAdj = app.modifyRawOomAdj(curCachedAdj); 17531 if (DEBUG_LRU && false) Slog.d(TAG, "Assigning activity LRU #" + i 17532 + " adj: " + app.curAdj + " (curCachedAdj=" + curCachedAdj 17533 + ")"); 17534 if (curCachedAdj != nextCachedAdj) { 17535 stepCached++; 17536 if (stepCached >= cachedFactor) { 17537 stepCached = 0; 17538 curCachedAdj = nextCachedAdj; 17539 nextCachedAdj += 2; 17540 if (nextCachedAdj > ProcessList.CACHED_APP_MAX_ADJ) { 17541 nextCachedAdj = ProcessList.CACHED_APP_MAX_ADJ; 17542 } 17543 } 17544 } 17545 break; 17546 default: 17547 // For everything else, assign next empty cached process 17548 // level and bump that up. Note that this means that 17549 // long-running services that have dropped down to the 17550 // cached level will be treated as empty (since their process 17551 // state is still as a service), which is what we want. 17552 app.curRawAdj = curEmptyAdj; 17553 app.curAdj = app.modifyRawOomAdj(curEmptyAdj); 17554 if (DEBUG_LRU && false) Slog.d(TAG, "Assigning empty LRU #" + i 17555 + " adj: " + app.curAdj + " (curEmptyAdj=" + curEmptyAdj 17556 + ")"); 17557 if (curEmptyAdj != nextEmptyAdj) { 17558 stepEmpty++; 17559 if (stepEmpty >= emptyFactor) { 17560 stepEmpty = 0; 17561 curEmptyAdj = nextEmptyAdj; 17562 nextEmptyAdj += 2; 17563 if (nextEmptyAdj > ProcessList.CACHED_APP_MAX_ADJ) { 17564 nextEmptyAdj = ProcessList.CACHED_APP_MAX_ADJ; 17565 } 17566 } 17567 } 17568 break; 17569 } 17570 } 17571 17572 applyOomAdjLocked(app, TOP_APP, true, now); 17573 17574 // Count the number of process types. 17575 switch (app.curProcState) { 17576 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: 17577 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 17578 mNumCachedHiddenProcs++; 17579 numCached++; 17580 if (numCached > cachedProcessLimit) { 17581 app.kill("cached #" + numCached, true); 17582 } 17583 break; 17584 case ActivityManager.PROCESS_STATE_CACHED_EMPTY: 17585 if (numEmpty > ProcessList.TRIM_EMPTY_APPS 17586 && app.lastActivityTime < oldTime) { 17587 app.kill("empty for " 17588 + ((oldTime + ProcessList.MAX_EMPTY_TIME - app.lastActivityTime) 17589 / 1000) + "s", true); 17590 } else { 17591 numEmpty++; 17592 if (numEmpty > emptyProcessLimit) { 17593 app.kill("empty #" + numEmpty, true); 17594 } 17595 } 17596 break; 17597 default: 17598 mNumNonCachedProcs++; 17599 break; 17600 } 17601 17602 if (app.isolated && app.services.size() <= 0) { 17603 // If this is an isolated process, and there are no 17604 // services running in it, then the process is no longer 17605 // needed. We agressively kill these because we can by 17606 // definition not re-use the same process again, and it is 17607 // good to avoid having whatever code was running in them 17608 // left sitting around after no longer needed. 17609 app.kill("isolated not needed", true); 17610 } 17611 17612 if (app.curProcState >= ActivityManager.PROCESS_STATE_HOME 17613 && !app.killedByAm) { 17614 numTrimming++; 17615 } 17616 } 17617 } 17618 17619 mNumServiceProcs = mNewNumServiceProcs; 17620 17621 // Now determine the memory trimming level of background processes. 17622 // Unfortunately we need to start at the back of the list to do this 17623 // properly. We only do this if the number of background apps we 17624 // are managing to keep around is less than half the maximum we desire; 17625 // if we are keeping a good number around, we'll let them use whatever 17626 // memory they want. 17627 final int numCachedAndEmpty = numCached + numEmpty; 17628 int memFactor; 17629 if (numCached <= ProcessList.TRIM_CACHED_APPS 17630 && numEmpty <= ProcessList.TRIM_EMPTY_APPS) { 17631 if (numCachedAndEmpty <= ProcessList.TRIM_CRITICAL_THRESHOLD) { 17632 memFactor = ProcessStats.ADJ_MEM_FACTOR_CRITICAL; 17633 } else if (numCachedAndEmpty <= ProcessList.TRIM_LOW_THRESHOLD) { 17634 memFactor = ProcessStats.ADJ_MEM_FACTOR_LOW; 17635 } else { 17636 memFactor = ProcessStats.ADJ_MEM_FACTOR_MODERATE; 17637 } 17638 } else { 17639 memFactor = ProcessStats.ADJ_MEM_FACTOR_NORMAL; 17640 } 17641 // We always allow the memory level to go up (better). We only allow it to go 17642 // down if we are in a state where that is allowed, *and* the total number of processes 17643 // has gone down since last time. 17644 if (DEBUG_OOM_ADJ) Slog.d(TAG, "oom: memFactor=" + memFactor + " last=" + mLastMemoryLevel 17645 + " allowLow=" + mAllowLowerMemLevel + " numProcs=" + mLruProcesses.size() 17646 + " last=" + mLastNumProcesses); 17647 if (memFactor > mLastMemoryLevel) { 17648 if (!mAllowLowerMemLevel || mLruProcesses.size() >= mLastNumProcesses) { 17649 memFactor = mLastMemoryLevel; 17650 if (DEBUG_OOM_ADJ) Slog.d(TAG, "Keeping last mem factor!"); 17651 } 17652 } 17653 mLastMemoryLevel = memFactor; 17654 mLastNumProcesses = mLruProcesses.size(); 17655 boolean allChanged = mProcessStats.setMemFactorLocked(memFactor, !isSleeping(), now); 17656 final int trackerMemFactor = mProcessStats.getMemFactorLocked(); 17657 if (memFactor != ProcessStats.ADJ_MEM_FACTOR_NORMAL) { 17658 if (mLowRamStartTime == 0) { 17659 mLowRamStartTime = now; 17660 } 17661 int step = 0; 17662 int fgTrimLevel; 17663 switch (memFactor) { 17664 case ProcessStats.ADJ_MEM_FACTOR_CRITICAL: 17665 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_CRITICAL; 17666 break; 17667 case ProcessStats.ADJ_MEM_FACTOR_LOW: 17668 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW; 17669 break; 17670 default: 17671 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_MODERATE; 17672 break; 17673 } 17674 int factor = numTrimming/3; 17675 int minFactor = 2; 17676 if (mHomeProcess != null) minFactor++; 17677 if (mPreviousProcess != null) minFactor++; 17678 if (factor < minFactor) factor = minFactor; 17679 int curLevel = ComponentCallbacks2.TRIM_MEMORY_COMPLETE; 17680 for (int i=N-1; i>=0; i--) { 17681 ProcessRecord app = mLruProcesses.get(i); 17682 if (allChanged || app.procStateChanged) { 17683 setProcessTrackerStateLocked(app, trackerMemFactor, now); 17684 app.procStateChanged = false; 17685 } 17686 if (app.curProcState >= ActivityManager.PROCESS_STATE_HOME 17687 && !app.killedByAm) { 17688 if (app.trimMemoryLevel < curLevel && app.thread != null) { 17689 try { 17690 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17691 "Trimming memory of " + app.processName 17692 + " to " + curLevel); 17693 app.thread.scheduleTrimMemory(curLevel); 17694 } catch (RemoteException e) { 17695 } 17696 if (false) { 17697 // For now we won't do this; our memory trimming seems 17698 // to be good enough at this point that destroying 17699 // activities causes more harm than good. 17700 if (curLevel >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE 17701 && app != mHomeProcess && app != mPreviousProcess) { 17702 // Need to do this on its own message because the stack may not 17703 // be in a consistent state at this point. 17704 // For these apps we will also finish their activities 17705 // to help them free memory. 17706 mStackSupervisor.scheduleDestroyAllActivities(app, "trim"); 17707 } 17708 } 17709 } 17710 app.trimMemoryLevel = curLevel; 17711 step++; 17712 if (step >= factor) { 17713 step = 0; 17714 switch (curLevel) { 17715 case ComponentCallbacks2.TRIM_MEMORY_COMPLETE: 17716 curLevel = ComponentCallbacks2.TRIM_MEMORY_MODERATE; 17717 break; 17718 case ComponentCallbacks2.TRIM_MEMORY_MODERATE: 17719 curLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; 17720 break; 17721 } 17722 } 17723 } else if (app.curProcState == ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) { 17724 if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_BACKGROUND 17725 && app.thread != null) { 17726 try { 17727 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17728 "Trimming memory of heavy-weight " + app.processName 17729 + " to " + ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); 17730 app.thread.scheduleTrimMemory( 17731 ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); 17732 } catch (RemoteException e) { 17733 } 17734 } 17735 app.trimMemoryLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; 17736 } else { 17737 if ((app.curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 17738 || app.systemNoUi) && app.pendingUiClean) { 17739 // If this application is now in the background and it 17740 // had done UI, then give it the special trim level to 17741 // have it free UI resources. 17742 final int level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN; 17743 if (app.trimMemoryLevel < level && app.thread != null) { 17744 try { 17745 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17746 "Trimming memory of bg-ui " + app.processName 17747 + " to " + level); 17748 app.thread.scheduleTrimMemory(level); 17749 } catch (RemoteException e) { 17750 } 17751 } 17752 app.pendingUiClean = false; 17753 } 17754 if (app.trimMemoryLevel < fgTrimLevel && app.thread != null) { 17755 try { 17756 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17757 "Trimming memory of fg " + app.processName 17758 + " to " + fgTrimLevel); 17759 app.thread.scheduleTrimMemory(fgTrimLevel); 17760 } catch (RemoteException e) { 17761 } 17762 } 17763 app.trimMemoryLevel = fgTrimLevel; 17764 } 17765 } 17766 } else { 17767 if (mLowRamStartTime != 0) { 17768 mLowRamTimeSinceLastIdle += now - mLowRamStartTime; 17769 mLowRamStartTime = 0; 17770 } 17771 for (int i=N-1; i>=0; i--) { 17772 ProcessRecord app = mLruProcesses.get(i); 17773 if (allChanged || app.procStateChanged) { 17774 setProcessTrackerStateLocked(app, trackerMemFactor, now); 17775 app.procStateChanged = false; 17776 } 17777 if ((app.curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 17778 || app.systemNoUi) && app.pendingUiClean) { 17779 if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN 17780 && app.thread != null) { 17781 try { 17782 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17783 "Trimming memory of ui hidden " + app.processName 17784 + " to " + ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); 17785 app.thread.scheduleTrimMemory( 17786 ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); 17787 } catch (RemoteException e) { 17788 } 17789 } 17790 app.pendingUiClean = false; 17791 } 17792 app.trimMemoryLevel = 0; 17793 } 17794 } 17795 17796 if (mAlwaysFinishActivities) { 17797 // Need to do this on its own message because the stack may not 17798 // be in a consistent state at this point. 17799 mStackSupervisor.scheduleDestroyAllActivities(null, "always-finish"); 17800 } 17801 17802 if (allChanged) { 17803 requestPssAllProcsLocked(now, false, mProcessStats.isMemFactorLowered()); 17804 } 17805 17806 if (mProcessStats.shouldWriteNowLocked(now)) { 17807 mHandler.post(new Runnable() { 17808 @Override public void run() { 17809 synchronized (ActivityManagerService.this) { 17810 mProcessStats.writeStateAsyncLocked(); 17811 } 17812 } 17813 }); 17814 } 17815 17816 if (DEBUG_OOM_ADJ) { 17817 if (false) { 17818 RuntimeException here = new RuntimeException("here"); 17819 here.fillInStackTrace(); 17820 Slog.d(TAG, "Did OOM ADJ in " + (SystemClock.uptimeMillis()-now) + "ms", here); 17821 } else { 17822 Slog.d(TAG, "Did OOM ADJ in " + (SystemClock.uptimeMillis()-now) + "ms"); 17823 } 17824 } 17825 } 17826 17827 final void trimApplications() { 17828 synchronized (this) { 17829 int i; 17830 17831 // First remove any unused application processes whose package 17832 // has been removed. 17833 for (i=mRemovedProcesses.size()-1; i>=0; i--) { 17834 final ProcessRecord app = mRemovedProcesses.get(i); 17835 if (app.activities.size() == 0 17836 && app.curReceiver == null && app.services.size() == 0) { 17837 Slog.i( 17838 TAG, "Exiting empty application process " 17839 + app.processName + " (" 17840 + (app.thread != null ? app.thread.asBinder() : null) 17841 + ")\n"); 17842 if (app.pid > 0 && app.pid != MY_PID) { 17843 app.kill("empty", false); 17844 } else { 17845 try { 17846 app.thread.scheduleExit(); 17847 } catch (Exception e) { 17848 // Ignore exceptions. 17849 } 17850 } 17851 cleanUpApplicationRecordLocked(app, false, true, -1); 17852 mRemovedProcesses.remove(i); 17853 17854 if (app.persistent) { 17855 addAppLocked(app.info, false, null /* ABI override */); 17856 } 17857 } 17858 } 17859 17860 // Now update the oom adj for all processes. 17861 updateOomAdjLocked(); 17862 } 17863 } 17864 17865 /** This method sends the specified signal to each of the persistent apps */ 17866 public void signalPersistentProcesses(int sig) throws RemoteException { 17867 if (sig != Process.SIGNAL_USR1) { 17868 throw new SecurityException("Only SIGNAL_USR1 is allowed"); 17869 } 17870 17871 synchronized (this) { 17872 if (checkCallingPermission(android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES) 17873 != PackageManager.PERMISSION_GRANTED) { 17874 throw new SecurityException("Requires permission " 17875 + android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES); 17876 } 17877 17878 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 17879 ProcessRecord r = mLruProcesses.get(i); 17880 if (r.thread != null && r.persistent) { 17881 Process.sendSignal(r.pid, sig); 17882 } 17883 } 17884 } 17885 } 17886 17887 private void stopProfilerLocked(ProcessRecord proc, int profileType) { 17888 if (proc == null || proc == mProfileProc) { 17889 proc = mProfileProc; 17890 profileType = mProfileType; 17891 clearProfilerLocked(); 17892 } 17893 if (proc == null) { 17894 return; 17895 } 17896 try { 17897 proc.thread.profilerControl(false, null, profileType); 17898 } catch (RemoteException e) { 17899 throw new IllegalStateException("Process disappeared"); 17900 } 17901 } 17902 17903 private void clearProfilerLocked() { 17904 if (mProfileFd != null) { 17905 try { 17906 mProfileFd.close(); 17907 } catch (IOException e) { 17908 } 17909 } 17910 mProfileApp = null; 17911 mProfileProc = null; 17912 mProfileFile = null; 17913 mProfileType = 0; 17914 mAutoStopProfiler = false; 17915 mSamplingInterval = 0; 17916 } 17917 17918 public boolean profileControl(String process, int userId, boolean start, 17919 ProfilerInfo profilerInfo, int profileType) throws RemoteException { 17920 17921 try { 17922 synchronized (this) { 17923 // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to 17924 // its own permission. 17925 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 17926 != PackageManager.PERMISSION_GRANTED) { 17927 throw new SecurityException("Requires permission " 17928 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 17929 } 17930 17931 if (start && (profilerInfo == null || profilerInfo.profileFd == null)) { 17932 throw new IllegalArgumentException("null profile info or fd"); 17933 } 17934 17935 ProcessRecord proc = null; 17936 if (process != null) { 17937 proc = findProcessLocked(process, userId, "profileControl"); 17938 } 17939 17940 if (start && (proc == null || proc.thread == null)) { 17941 throw new IllegalArgumentException("Unknown process: " + process); 17942 } 17943 17944 if (start) { 17945 stopProfilerLocked(null, 0); 17946 setProfileApp(proc.info, proc.processName, profilerInfo); 17947 mProfileProc = proc; 17948 mProfileType = profileType; 17949 ParcelFileDescriptor fd = profilerInfo.profileFd; 17950 try { 17951 fd = fd.dup(); 17952 } catch (IOException e) { 17953 fd = null; 17954 } 17955 profilerInfo.profileFd = fd; 17956 proc.thread.profilerControl(start, profilerInfo, profileType); 17957 fd = null; 17958 mProfileFd = null; 17959 } else { 17960 stopProfilerLocked(proc, profileType); 17961 if (profilerInfo != null && profilerInfo.profileFd != null) { 17962 try { 17963 profilerInfo.profileFd.close(); 17964 } catch (IOException e) { 17965 } 17966 } 17967 } 17968 17969 return true; 17970 } 17971 } catch (RemoteException e) { 17972 throw new IllegalStateException("Process disappeared"); 17973 } finally { 17974 if (profilerInfo != null && profilerInfo.profileFd != null) { 17975 try { 17976 profilerInfo.profileFd.close(); 17977 } catch (IOException e) { 17978 } 17979 } 17980 } 17981 } 17982 17983 private ProcessRecord findProcessLocked(String process, int userId, String callName) { 17984 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 17985 userId, true, ALLOW_FULL_ONLY, callName, null); 17986 ProcessRecord proc = null; 17987 try { 17988 int pid = Integer.parseInt(process); 17989 synchronized (mPidsSelfLocked) { 17990 proc = mPidsSelfLocked.get(pid); 17991 } 17992 } catch (NumberFormatException e) { 17993 } 17994 17995 if (proc == null) { 17996 ArrayMap<String, SparseArray<ProcessRecord>> all 17997 = mProcessNames.getMap(); 17998 SparseArray<ProcessRecord> procs = all.get(process); 17999 if (procs != null && procs.size() > 0) { 18000 proc = procs.valueAt(0); 18001 if (userId != UserHandle.USER_ALL && proc.userId != userId) { 18002 for (int i=1; i<procs.size(); i++) { 18003 ProcessRecord thisProc = procs.valueAt(i); 18004 if (thisProc.userId == userId) { 18005 proc = thisProc; 18006 break; 18007 } 18008 } 18009 } 18010 } 18011 } 18012 18013 return proc; 18014 } 18015 18016 public boolean dumpHeap(String process, int userId, boolean managed, 18017 String path, ParcelFileDescriptor fd) throws RemoteException { 18018 18019 try { 18020 synchronized (this) { 18021 // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to 18022 // its own permission (same as profileControl). 18023 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 18024 != PackageManager.PERMISSION_GRANTED) { 18025 throw new SecurityException("Requires permission " 18026 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 18027 } 18028 18029 if (fd == null) { 18030 throw new IllegalArgumentException("null fd"); 18031 } 18032 18033 ProcessRecord proc = findProcessLocked(process, userId, "dumpHeap"); 18034 if (proc == null || proc.thread == null) { 18035 throw new IllegalArgumentException("Unknown process: " + process); 18036 } 18037 18038 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 18039 if (!isDebuggable) { 18040 if ((proc.info.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 18041 throw new SecurityException("Process not debuggable: " + proc); 18042 } 18043 } 18044 18045 proc.thread.dumpHeap(managed, path, fd); 18046 fd = null; 18047 return true; 18048 } 18049 } catch (RemoteException e) { 18050 throw new IllegalStateException("Process disappeared"); 18051 } finally { 18052 if (fd != null) { 18053 try { 18054 fd.close(); 18055 } catch (IOException e) { 18056 } 18057 } 18058 } 18059 } 18060 18061 /** In this method we try to acquire our lock to make sure that we have not deadlocked */ 18062 public void monitor() { 18063 synchronized (this) { } 18064 } 18065 18066 void onCoreSettingsChange(Bundle settings) { 18067 for (int i = mLruProcesses.size() - 1; i >= 0; i--) { 18068 ProcessRecord processRecord = mLruProcesses.get(i); 18069 try { 18070 if (processRecord.thread != null) { 18071 processRecord.thread.setCoreSettings(settings); 18072 } 18073 } catch (RemoteException re) { 18074 /* ignore */ 18075 } 18076 } 18077 } 18078 18079 // Multi-user methods 18080 18081 /** 18082 * Start user, if its not already running, but don't bring it to foreground. 18083 */ 18084 @Override 18085 public boolean startUserInBackground(final int userId) { 18086 return startUser(userId, /* foreground */ false); 18087 } 18088 18089 /** 18090 * Start user, if its not already running, and bring it to foreground. 18091 */ 18092 boolean startUserInForeground(final int userId, Dialog dlg) { 18093 boolean result = startUser(userId, /* foreground */ true); 18094 dlg.dismiss(); 18095 return result; 18096 } 18097 18098 /** 18099 * Refreshes the list of users related to the current user when either a 18100 * user switch happens or when a new related user is started in the 18101 * background. 18102 */ 18103 private void updateCurrentProfileIdsLocked() { 18104 final List<UserInfo> profiles = getUserManagerLocked().getProfiles( 18105 mCurrentUserId, false /* enabledOnly */); 18106 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 18107 for (int i = 0; i < currentProfileIds.length; i++) { 18108 currentProfileIds[i] = profiles.get(i).id; 18109 } 18110 mCurrentProfileIds = currentProfileIds; 18111 18112 synchronized (mUserProfileGroupIdsSelfLocked) { 18113 mUserProfileGroupIdsSelfLocked.clear(); 18114 final List<UserInfo> users = getUserManagerLocked().getUsers(false); 18115 for (int i = 0; i < users.size(); i++) { 18116 UserInfo user = users.get(i); 18117 if (user.profileGroupId != UserInfo.NO_PROFILE_GROUP_ID) { 18118 mUserProfileGroupIdsSelfLocked.put(user.id, user.profileGroupId); 18119 } 18120 } 18121 } 18122 } 18123 18124 private Set getProfileIdsLocked(int userId) { 18125 Set userIds = new HashSet<Integer>(); 18126 final List<UserInfo> profiles = getUserManagerLocked().getProfiles( 18127 userId, false /* enabledOnly */); 18128 for (UserInfo user : profiles) { 18129 userIds.add(Integer.valueOf(user.id)); 18130 } 18131 return userIds; 18132 } 18133 18134 @Override 18135 public boolean switchUser(final int userId) { 18136 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, userId); 18137 String userName; 18138 synchronized (this) { 18139 UserInfo userInfo = getUserManagerLocked().getUserInfo(userId); 18140 if (userInfo == null) { 18141 Slog.w(TAG, "No user info for user #" + userId); 18142 return false; 18143 } 18144 if (userInfo.isManagedProfile()) { 18145 Slog.w(TAG, "Cannot switch to User #" + userId + ": not a full user"); 18146 return false; 18147 } 18148 userName = userInfo.name; 18149 mTargetUserId = userId; 18150 } 18151 mHandler.removeMessages(START_USER_SWITCH_MSG); 18152 mHandler.sendMessage(mHandler.obtainMessage(START_USER_SWITCH_MSG, userId, 0, userName)); 18153 return true; 18154 } 18155 18156 private void showUserSwitchDialog(int userId, String userName) { 18157 // The dialog will show and then initiate the user switch by calling startUserInForeground 18158 Dialog d = new UserSwitchingDialog(this, mContext, userId, userName, 18159 true /* above system */); 18160 d.show(); 18161 } 18162 18163 private boolean startUser(final int userId, final boolean foreground) { 18164 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18165 != PackageManager.PERMISSION_GRANTED) { 18166 String msg = "Permission Denial: switchUser() from pid=" 18167 + Binder.getCallingPid() 18168 + ", uid=" + Binder.getCallingUid() 18169 + " requires " + INTERACT_ACROSS_USERS_FULL; 18170 Slog.w(TAG, msg); 18171 throw new SecurityException(msg); 18172 } 18173 18174 if (DEBUG_MU) Slog.i(TAG_MU, "starting userid:" + userId + " fore:" + foreground); 18175 18176 final long ident = Binder.clearCallingIdentity(); 18177 try { 18178 synchronized (this) { 18179 final int oldUserId = mCurrentUserId; 18180 if (oldUserId == userId) { 18181 return true; 18182 } 18183 18184 mStackSupervisor.setLockTaskModeLocked(null, false); 18185 18186 final UserInfo userInfo = getUserManagerLocked().getUserInfo(userId); 18187 if (userInfo == null) { 18188 Slog.w(TAG, "No user info for user #" + userId); 18189 return false; 18190 } 18191 if (foreground && userInfo.isManagedProfile()) { 18192 Slog.w(TAG, "Cannot switch to User #" + userId + ": not a full user"); 18193 return false; 18194 } 18195 18196 if (foreground) { 18197 mWindowManager.startFreezingScreen(R.anim.screen_user_exit, 18198 R.anim.screen_user_enter); 18199 } 18200 18201 boolean needStart = false; 18202 18203 // If the user we are switching to is not currently started, then 18204 // we need to start it now. 18205 if (mStartedUsers.get(userId) == null) { 18206 mStartedUsers.put(userId, new UserStartedState(new UserHandle(userId), false)); 18207 updateStartedUserArrayLocked(); 18208 needStart = true; 18209 } 18210 18211 final Integer userIdInt = Integer.valueOf(userId); 18212 mUserLru.remove(userIdInt); 18213 mUserLru.add(userIdInt); 18214 18215 if (foreground) { 18216 mCurrentUserId = userId; 18217 mTargetUserId = UserHandle.USER_NULL; // reset, mCurrentUserId has caught up 18218 updateCurrentProfileIdsLocked(); 18219 mWindowManager.setCurrentUser(userId, mCurrentProfileIds); 18220 // Once the internal notion of the active user has switched, we lock the device 18221 // with the option to show the user switcher on the keyguard. 18222 mWindowManager.lockNow(null); 18223 } else { 18224 final Integer currentUserIdInt = Integer.valueOf(mCurrentUserId); 18225 updateCurrentProfileIdsLocked(); 18226 mWindowManager.setCurrentProfileIds(mCurrentProfileIds); 18227 mUserLru.remove(currentUserIdInt); 18228 mUserLru.add(currentUserIdInt); 18229 } 18230 18231 final UserStartedState uss = mStartedUsers.get(userId); 18232 18233 // Make sure user is in the started state. If it is currently 18234 // stopping, we need to knock that off. 18235 if (uss.mState == UserStartedState.STATE_STOPPING) { 18236 // If we are stopping, we haven't sent ACTION_SHUTDOWN, 18237 // so we can just fairly silently bring the user back from 18238 // the almost-dead. 18239 uss.mState = UserStartedState.STATE_RUNNING; 18240 updateStartedUserArrayLocked(); 18241 needStart = true; 18242 } else if (uss.mState == UserStartedState.STATE_SHUTDOWN) { 18243 // This means ACTION_SHUTDOWN has been sent, so we will 18244 // need to treat this as a new boot of the user. 18245 uss.mState = UserStartedState.STATE_BOOTING; 18246 updateStartedUserArrayLocked(); 18247 needStart = true; 18248 } 18249 18250 if (uss.mState == UserStartedState.STATE_BOOTING) { 18251 // Booting up a new user, need to tell system services about it. 18252 // Note that this is on the same handler as scheduling of broadcasts, 18253 // which is important because it needs to go first. 18254 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_START_MSG, userId, 0)); 18255 } 18256 18257 if (foreground) { 18258 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_CURRENT_MSG, userId, 18259 oldUserId)); 18260 mHandler.removeMessages(REPORT_USER_SWITCH_MSG); 18261 mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); 18262 mHandler.sendMessage(mHandler.obtainMessage(REPORT_USER_SWITCH_MSG, 18263 oldUserId, userId, uss)); 18264 mHandler.sendMessageDelayed(mHandler.obtainMessage(USER_SWITCH_TIMEOUT_MSG, 18265 oldUserId, userId, uss), USER_SWITCH_TIMEOUT); 18266 } 18267 18268 if (needStart) { 18269 // Send USER_STARTED broadcast 18270 Intent intent = new Intent(Intent.ACTION_USER_STARTED); 18271 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18272 | Intent.FLAG_RECEIVER_FOREGROUND); 18273 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18274 broadcastIntentLocked(null, null, intent, 18275 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 18276 false, false, MY_PID, Process.SYSTEM_UID, userId); 18277 } 18278 18279 if ((userInfo.flags&UserInfo.FLAG_INITIALIZED) == 0) { 18280 if (userId != UserHandle.USER_OWNER) { 18281 Intent intent = new Intent(Intent.ACTION_USER_INITIALIZE); 18282 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 18283 broadcastIntentLocked(null, null, intent, null, 18284 new IIntentReceiver.Stub() { 18285 public void performReceive(Intent intent, int resultCode, 18286 String data, Bundle extras, boolean ordered, 18287 boolean sticky, int sendingUser) { 18288 onUserInitialized(uss, foreground, oldUserId, userId); 18289 } 18290 }, 0, null, null, null, AppOpsManager.OP_NONE, 18291 true, false, MY_PID, Process.SYSTEM_UID, 18292 userId); 18293 uss.initializing = true; 18294 } else { 18295 getUserManagerLocked().makeInitialized(userInfo.id); 18296 } 18297 } 18298 18299 if (foreground) { 18300 if (!uss.initializing) { 18301 moveUserToForeground(uss, oldUserId, userId); 18302 } 18303 } else { 18304 mStackSupervisor.startBackgroundUserLocked(userId, uss); 18305 } 18306 18307 if (needStart) { 18308 Intent intent = new Intent(Intent.ACTION_USER_STARTING); 18309 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 18310 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18311 broadcastIntentLocked(null, null, intent, 18312 null, new IIntentReceiver.Stub() { 18313 @Override 18314 public void performReceive(Intent intent, int resultCode, String data, 18315 Bundle extras, boolean ordered, boolean sticky, int sendingUser) 18316 throws RemoteException { 18317 } 18318 }, 0, null, null, 18319 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 18320 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 18321 } 18322 } 18323 } finally { 18324 Binder.restoreCallingIdentity(ident); 18325 } 18326 18327 return true; 18328 } 18329 18330 void sendUserSwitchBroadcastsLocked(int oldUserId, int newUserId) { 18331 long ident = Binder.clearCallingIdentity(); 18332 try { 18333 Intent intent; 18334 if (oldUserId >= 0) { 18335 // Send USER_BACKGROUND broadcast to all profiles of the outgoing user 18336 List<UserInfo> profiles = mUserManager.getProfiles(oldUserId, false); 18337 int count = profiles.size(); 18338 for (int i = 0; i < count; i++) { 18339 int profileUserId = profiles.get(i).id; 18340 intent = new Intent(Intent.ACTION_USER_BACKGROUND); 18341 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18342 | Intent.FLAG_RECEIVER_FOREGROUND); 18343 intent.putExtra(Intent.EXTRA_USER_HANDLE, profileUserId); 18344 broadcastIntentLocked(null, null, intent, 18345 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 18346 false, false, MY_PID, Process.SYSTEM_UID, profileUserId); 18347 } 18348 } 18349 if (newUserId >= 0) { 18350 // Send USER_FOREGROUND broadcast to all profiles of the incoming user 18351 List<UserInfo> profiles = mUserManager.getProfiles(newUserId, false); 18352 int count = profiles.size(); 18353 for (int i = 0; i < count; i++) { 18354 int profileUserId = profiles.get(i).id; 18355 intent = new Intent(Intent.ACTION_USER_FOREGROUND); 18356 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18357 | Intent.FLAG_RECEIVER_FOREGROUND); 18358 intent.putExtra(Intent.EXTRA_USER_HANDLE, profileUserId); 18359 broadcastIntentLocked(null, null, intent, 18360 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 18361 false, false, MY_PID, Process.SYSTEM_UID, profileUserId); 18362 } 18363 intent = new Intent(Intent.ACTION_USER_SWITCHED); 18364 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18365 | Intent.FLAG_RECEIVER_FOREGROUND); 18366 intent.putExtra(Intent.EXTRA_USER_HANDLE, newUserId); 18367 broadcastIntentLocked(null, null, intent, 18368 null, null, 0, null, null, 18369 android.Manifest.permission.MANAGE_USERS, AppOpsManager.OP_NONE, 18370 false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 18371 } 18372 } finally { 18373 Binder.restoreCallingIdentity(ident); 18374 } 18375 } 18376 18377 void dispatchUserSwitch(final UserStartedState uss, final int oldUserId, 18378 final int newUserId) { 18379 final int N = mUserSwitchObservers.beginBroadcast(); 18380 if (N > 0) { 18381 final IRemoteCallback callback = new IRemoteCallback.Stub() { 18382 int mCount = 0; 18383 @Override 18384 public void sendResult(Bundle data) throws RemoteException { 18385 synchronized (ActivityManagerService.this) { 18386 if (mCurUserSwitchCallback == this) { 18387 mCount++; 18388 if (mCount == N) { 18389 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 18390 } 18391 } 18392 } 18393 } 18394 }; 18395 synchronized (this) { 18396 uss.switching = true; 18397 mCurUserSwitchCallback = callback; 18398 } 18399 for (int i=0; i<N; i++) { 18400 try { 18401 mUserSwitchObservers.getBroadcastItem(i).onUserSwitching( 18402 newUserId, callback); 18403 } catch (RemoteException e) { 18404 } 18405 } 18406 } else { 18407 synchronized (this) { 18408 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 18409 } 18410 } 18411 mUserSwitchObservers.finishBroadcast(); 18412 } 18413 18414 void timeoutUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { 18415 synchronized (this) { 18416 Slog.w(TAG, "User switch timeout: from " + oldUserId + " to " + newUserId); 18417 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 18418 } 18419 } 18420 18421 void sendContinueUserSwitchLocked(UserStartedState uss, int oldUserId, int newUserId) { 18422 mCurUserSwitchCallback = null; 18423 mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); 18424 mHandler.sendMessage(mHandler.obtainMessage(CONTINUE_USER_SWITCH_MSG, 18425 oldUserId, newUserId, uss)); 18426 } 18427 18428 void onUserInitialized(UserStartedState uss, boolean foreground, int oldUserId, int newUserId) { 18429 synchronized (this) { 18430 if (foreground) { 18431 moveUserToForeground(uss, oldUserId, newUserId); 18432 } 18433 } 18434 18435 completeSwitchAndInitalize(uss, newUserId, true, false); 18436 } 18437 18438 void moveUserToForeground(UserStartedState uss, int oldUserId, int newUserId) { 18439 boolean homeInFront = mStackSupervisor.switchUserLocked(newUserId, uss); 18440 if (homeInFront) { 18441 startHomeActivityLocked(newUserId); 18442 } else { 18443 mStackSupervisor.resumeTopActivitiesLocked(); 18444 } 18445 EventLogTags.writeAmSwitchUser(newUserId); 18446 getUserManagerLocked().userForeground(newUserId); 18447 sendUserSwitchBroadcastsLocked(oldUserId, newUserId); 18448 } 18449 18450 void continueUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { 18451 completeSwitchAndInitalize(uss, newUserId, false, true); 18452 } 18453 18454 void completeSwitchAndInitalize(UserStartedState uss, int newUserId, 18455 boolean clearInitializing, boolean clearSwitching) { 18456 boolean unfrozen = false; 18457 synchronized (this) { 18458 if (clearInitializing) { 18459 uss.initializing = false; 18460 getUserManagerLocked().makeInitialized(uss.mHandle.getIdentifier()); 18461 } 18462 if (clearSwitching) { 18463 uss.switching = false; 18464 } 18465 if (!uss.switching && !uss.initializing) { 18466 mWindowManager.stopFreezingScreen(); 18467 unfrozen = true; 18468 } 18469 } 18470 if (unfrozen) { 18471 final int N = mUserSwitchObservers.beginBroadcast(); 18472 for (int i=0; i<N; i++) { 18473 try { 18474 mUserSwitchObservers.getBroadcastItem(i).onUserSwitchComplete(newUserId); 18475 } catch (RemoteException e) { 18476 } 18477 } 18478 mUserSwitchObservers.finishBroadcast(); 18479 } 18480 } 18481 18482 void scheduleStartProfilesLocked() { 18483 if (!mHandler.hasMessages(START_PROFILES_MSG)) { 18484 mHandler.sendMessageDelayed(mHandler.obtainMessage(START_PROFILES_MSG), 18485 DateUtils.SECOND_IN_MILLIS); 18486 } 18487 } 18488 18489 void startProfilesLocked() { 18490 if (DEBUG_MU) Slog.i(TAG_MU, "startProfilesLocked"); 18491 List<UserInfo> profiles = getUserManagerLocked().getProfiles( 18492 mCurrentUserId, false /* enabledOnly */); 18493 List<UserInfo> toStart = new ArrayList<UserInfo>(profiles.size()); 18494 for (UserInfo user : profiles) { 18495 if ((user.flags & UserInfo.FLAG_INITIALIZED) == UserInfo.FLAG_INITIALIZED 18496 && user.id != mCurrentUserId) { 18497 toStart.add(user); 18498 } 18499 } 18500 final int n = toStart.size(); 18501 int i = 0; 18502 for (; i < n && i < (MAX_RUNNING_USERS - 1); ++i) { 18503 startUserInBackground(toStart.get(i).id); 18504 } 18505 if (i < n) { 18506 Slog.w(TAG_MU, "More profiles than MAX_RUNNING_USERS"); 18507 } 18508 } 18509 18510 void finishUserBoot(UserStartedState uss) { 18511 synchronized (this) { 18512 if (uss.mState == UserStartedState.STATE_BOOTING 18513 && mStartedUsers.get(uss.mHandle.getIdentifier()) == uss) { 18514 uss.mState = UserStartedState.STATE_RUNNING; 18515 final int userId = uss.mHandle.getIdentifier(); 18516 Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); 18517 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18518 intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT); 18519 broadcastIntentLocked(null, null, intent, 18520 null, null, 0, null, null, 18521 android.Manifest.permission.RECEIVE_BOOT_COMPLETED, AppOpsManager.OP_NONE, 18522 true, false, MY_PID, Process.SYSTEM_UID, userId); 18523 } 18524 } 18525 } 18526 18527 void finishUserSwitch(UserStartedState uss) { 18528 synchronized (this) { 18529 finishUserBoot(uss); 18530 18531 startProfilesLocked(); 18532 18533 int num = mUserLru.size(); 18534 int i = 0; 18535 while (num > MAX_RUNNING_USERS && i < mUserLru.size()) { 18536 Integer oldUserId = mUserLru.get(i); 18537 UserStartedState oldUss = mStartedUsers.get(oldUserId); 18538 if (oldUss == null) { 18539 // Shouldn't happen, but be sane if it does. 18540 mUserLru.remove(i); 18541 num--; 18542 continue; 18543 } 18544 if (oldUss.mState == UserStartedState.STATE_STOPPING 18545 || oldUss.mState == UserStartedState.STATE_SHUTDOWN) { 18546 // This user is already stopping, doesn't count. 18547 num--; 18548 i++; 18549 continue; 18550 } 18551 if (oldUserId == UserHandle.USER_OWNER || oldUserId == mCurrentUserId) { 18552 // Owner and current can't be stopped, but count as running. 18553 i++; 18554 continue; 18555 } 18556 // This is a user to be stopped. 18557 stopUserLocked(oldUserId, null); 18558 num--; 18559 i++; 18560 } 18561 } 18562 } 18563 18564 @Override 18565 public int stopUser(final int userId, final IStopUserCallback callback) { 18566 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18567 != PackageManager.PERMISSION_GRANTED) { 18568 String msg = "Permission Denial: switchUser() from pid=" 18569 + Binder.getCallingPid() 18570 + ", uid=" + Binder.getCallingUid() 18571 + " requires " + INTERACT_ACROSS_USERS_FULL; 18572 Slog.w(TAG, msg); 18573 throw new SecurityException(msg); 18574 } 18575 if (userId <= 0) { 18576 throw new IllegalArgumentException("Can't stop primary user " + userId); 18577 } 18578 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, userId); 18579 synchronized (this) { 18580 return stopUserLocked(userId, callback); 18581 } 18582 } 18583 18584 private int stopUserLocked(final int userId, final IStopUserCallback callback) { 18585 if (DEBUG_MU) Slog.i(TAG_MU, "stopUserLocked userId=" + userId); 18586 if (mCurrentUserId == userId && mTargetUserId == UserHandle.USER_NULL) { 18587 return ActivityManager.USER_OP_IS_CURRENT; 18588 } 18589 18590 final UserStartedState uss = mStartedUsers.get(userId); 18591 if (uss == null) { 18592 // User is not started, nothing to do... but we do need to 18593 // callback if requested. 18594 if (callback != null) { 18595 mHandler.post(new Runnable() { 18596 @Override 18597 public void run() { 18598 try { 18599 callback.userStopped(userId); 18600 } catch (RemoteException e) { 18601 } 18602 } 18603 }); 18604 } 18605 return ActivityManager.USER_OP_SUCCESS; 18606 } 18607 18608 if (callback != null) { 18609 uss.mStopCallbacks.add(callback); 18610 } 18611 18612 if (uss.mState != UserStartedState.STATE_STOPPING 18613 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 18614 uss.mState = UserStartedState.STATE_STOPPING; 18615 updateStartedUserArrayLocked(); 18616 18617 long ident = Binder.clearCallingIdentity(); 18618 try { 18619 // We are going to broadcast ACTION_USER_STOPPING and then 18620 // once that is done send a final ACTION_SHUTDOWN and then 18621 // stop the user. 18622 final Intent stoppingIntent = new Intent(Intent.ACTION_USER_STOPPING); 18623 stoppingIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 18624 stoppingIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18625 stoppingIntent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true); 18626 final Intent shutdownIntent = new Intent(Intent.ACTION_SHUTDOWN); 18627 // This is the result receiver for the final shutdown broadcast. 18628 final IIntentReceiver shutdownReceiver = new IIntentReceiver.Stub() { 18629 @Override 18630 public void performReceive(Intent intent, int resultCode, String data, 18631 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 18632 finishUserStop(uss); 18633 } 18634 }; 18635 // This is the result receiver for the initial stopping broadcast. 18636 final IIntentReceiver stoppingReceiver = new IIntentReceiver.Stub() { 18637 @Override 18638 public void performReceive(Intent intent, int resultCode, String data, 18639 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 18640 // On to the next. 18641 synchronized (ActivityManagerService.this) { 18642 if (uss.mState != UserStartedState.STATE_STOPPING) { 18643 // Whoops, we are being started back up. Abort, abort! 18644 return; 18645 } 18646 uss.mState = UserStartedState.STATE_SHUTDOWN; 18647 } 18648 mBatteryStatsService.noteEvent( 18649 BatteryStats.HistoryItem.EVENT_USER_RUNNING_FINISH, 18650 Integer.toString(userId), userId); 18651 mSystemServiceManager.stopUser(userId); 18652 broadcastIntentLocked(null, null, shutdownIntent, 18653 null, shutdownReceiver, 0, null, null, null, AppOpsManager.OP_NONE, 18654 true, false, MY_PID, Process.SYSTEM_UID, userId); 18655 } 18656 }; 18657 // Kick things off. 18658 broadcastIntentLocked(null, null, stoppingIntent, 18659 null, stoppingReceiver, 0, null, null, 18660 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 18661 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 18662 } finally { 18663 Binder.restoreCallingIdentity(ident); 18664 } 18665 } 18666 18667 return ActivityManager.USER_OP_SUCCESS; 18668 } 18669 18670 void finishUserStop(UserStartedState uss) { 18671 final int userId = uss.mHandle.getIdentifier(); 18672 boolean stopped; 18673 ArrayList<IStopUserCallback> callbacks; 18674 synchronized (this) { 18675 callbacks = new ArrayList<IStopUserCallback>(uss.mStopCallbacks); 18676 if (mStartedUsers.get(userId) != uss) { 18677 stopped = false; 18678 } else if (uss.mState != UserStartedState.STATE_SHUTDOWN) { 18679 stopped = false; 18680 } else { 18681 stopped = true; 18682 // User can no longer run. 18683 mStartedUsers.remove(userId); 18684 mUserLru.remove(Integer.valueOf(userId)); 18685 updateStartedUserArrayLocked(); 18686 18687 // Clean up all state and processes associated with the user. 18688 // Kill all the processes for the user. 18689 forceStopUserLocked(userId, "finish user"); 18690 } 18691 18692 // Explicitly remove the old information in mRecentTasks. 18693 removeRecentTasksForUserLocked(userId); 18694 } 18695 18696 for (int i=0; i<callbacks.size(); i++) { 18697 try { 18698 if (stopped) callbacks.get(i).userStopped(userId); 18699 else callbacks.get(i).userStopAborted(userId); 18700 } catch (RemoteException e) { 18701 } 18702 } 18703 18704 if (stopped) { 18705 mSystemServiceManager.cleanupUser(userId); 18706 synchronized (this) { 18707 mStackSupervisor.removeUserLocked(userId); 18708 } 18709 } 18710 } 18711 18712 @Override 18713 public UserInfo getCurrentUser() { 18714 if ((checkCallingPermission(INTERACT_ACROSS_USERS) 18715 != PackageManager.PERMISSION_GRANTED) && ( 18716 checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18717 != PackageManager.PERMISSION_GRANTED)) { 18718 String msg = "Permission Denial: getCurrentUser() from pid=" 18719 + Binder.getCallingPid() 18720 + ", uid=" + Binder.getCallingUid() 18721 + " requires " + INTERACT_ACROSS_USERS; 18722 Slog.w(TAG, msg); 18723 throw new SecurityException(msg); 18724 } 18725 synchronized (this) { 18726 int userId = mTargetUserId != UserHandle.USER_NULL ? mTargetUserId : mCurrentUserId; 18727 return getUserManagerLocked().getUserInfo(userId); 18728 } 18729 } 18730 18731 int getCurrentUserIdLocked() { 18732 return mTargetUserId != UserHandle.USER_NULL ? mTargetUserId : mCurrentUserId; 18733 } 18734 18735 @Override 18736 public boolean isUserRunning(int userId, boolean orStopped) { 18737 if (checkCallingPermission(INTERACT_ACROSS_USERS) 18738 != PackageManager.PERMISSION_GRANTED) { 18739 String msg = "Permission Denial: isUserRunning() from pid=" 18740 + Binder.getCallingPid() 18741 + ", uid=" + Binder.getCallingUid() 18742 + " requires " + INTERACT_ACROSS_USERS; 18743 Slog.w(TAG, msg); 18744 throw new SecurityException(msg); 18745 } 18746 synchronized (this) { 18747 return isUserRunningLocked(userId, orStopped); 18748 } 18749 } 18750 18751 boolean isUserRunningLocked(int userId, boolean orStopped) { 18752 UserStartedState state = mStartedUsers.get(userId); 18753 if (state == null) { 18754 return false; 18755 } 18756 if (orStopped) { 18757 return true; 18758 } 18759 return state.mState != UserStartedState.STATE_STOPPING 18760 && state.mState != UserStartedState.STATE_SHUTDOWN; 18761 } 18762 18763 @Override 18764 public int[] getRunningUserIds() { 18765 if (checkCallingPermission(INTERACT_ACROSS_USERS) 18766 != PackageManager.PERMISSION_GRANTED) { 18767 String msg = "Permission Denial: isUserRunning() from pid=" 18768 + Binder.getCallingPid() 18769 + ", uid=" + Binder.getCallingUid() 18770 + " requires " + INTERACT_ACROSS_USERS; 18771 Slog.w(TAG, msg); 18772 throw new SecurityException(msg); 18773 } 18774 synchronized (this) { 18775 return mStartedUserArray; 18776 } 18777 } 18778 18779 private void updateStartedUserArrayLocked() { 18780 int num = 0; 18781 for (int i=0; i<mStartedUsers.size(); i++) { 18782 UserStartedState uss = mStartedUsers.valueAt(i); 18783 // This list does not include stopping users. 18784 if (uss.mState != UserStartedState.STATE_STOPPING 18785 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 18786 num++; 18787 } 18788 } 18789 mStartedUserArray = new int[num]; 18790 num = 0; 18791 for (int i=0; i<mStartedUsers.size(); i++) { 18792 UserStartedState uss = mStartedUsers.valueAt(i); 18793 if (uss.mState != UserStartedState.STATE_STOPPING 18794 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 18795 mStartedUserArray[num] = mStartedUsers.keyAt(i); 18796 num++; 18797 } 18798 } 18799 } 18800 18801 @Override 18802 public void registerUserSwitchObserver(IUserSwitchObserver observer) { 18803 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18804 != PackageManager.PERMISSION_GRANTED) { 18805 String msg = "Permission Denial: registerUserSwitchObserver() from pid=" 18806 + Binder.getCallingPid() 18807 + ", uid=" + Binder.getCallingUid() 18808 + " requires " + INTERACT_ACROSS_USERS_FULL; 18809 Slog.w(TAG, msg); 18810 throw new SecurityException(msg); 18811 } 18812 18813 mUserSwitchObservers.register(observer); 18814 } 18815 18816 @Override 18817 public void unregisterUserSwitchObserver(IUserSwitchObserver observer) { 18818 mUserSwitchObservers.unregister(observer); 18819 } 18820 18821 private boolean userExists(int userId) { 18822 if (userId == 0) { 18823 return true; 18824 } 18825 UserManagerService ums = getUserManagerLocked(); 18826 return ums != null ? (ums.getUserInfo(userId) != null) : false; 18827 } 18828 18829 int[] getUsersLocked() { 18830 UserManagerService ums = getUserManagerLocked(); 18831 return ums != null ? ums.getUserIds() : new int[] { 0 }; 18832 } 18833 18834 UserManagerService getUserManagerLocked() { 18835 if (mUserManager == null) { 18836 IBinder b = ServiceManager.getService(Context.USER_SERVICE); 18837 mUserManager = (UserManagerService)IUserManager.Stub.asInterface(b); 18838 } 18839 return mUserManager; 18840 } 18841 18842 private int applyUserId(int uid, int userId) { 18843 return UserHandle.getUid(userId, uid); 18844 } 18845 18846 ApplicationInfo getAppInfoForUser(ApplicationInfo info, int userId) { 18847 if (info == null) return null; 18848 ApplicationInfo newInfo = new ApplicationInfo(info); 18849 newInfo.uid = applyUserId(info.uid, userId); 18850 newInfo.dataDir = USER_DATA_DIR + userId + "/" 18851 + info.packageName; 18852 return newInfo; 18853 } 18854 18855 ActivityInfo getActivityInfoForUser(ActivityInfo aInfo, int userId) { 18856 if (aInfo == null 18857 || (userId < 1 && aInfo.applicationInfo.uid < UserHandle.PER_USER_RANGE)) { 18858 return aInfo; 18859 } 18860 18861 ActivityInfo info = new ActivityInfo(aInfo); 18862 info.applicationInfo = getAppInfoForUser(info.applicationInfo, userId); 18863 return info; 18864 } 18865 18866 private final class LocalService extends ActivityManagerInternal { 18867 @Override 18868 public void goingToSleep() { 18869 ActivityManagerService.this.goingToSleep(); 18870 } 18871 18872 @Override 18873 public void wakingUp() { 18874 ActivityManagerService.this.wakingUp(); 18875 } 18876 18877 @Override 18878 public int startIsolatedProcess(String entryPoint, String[] entryPointArgs, 18879 String processName, String abiOverride, int uid, Runnable crashHandler) { 18880 return ActivityManagerService.this.startIsolatedProcess(entryPoint, entryPointArgs, 18881 processName, abiOverride, uid, crashHandler); 18882 } 18883 } 18884 18885 /** 18886 * An implementation of IAppTask, that allows an app to manage its own tasks via 18887 * {@link android.app.ActivityManager.AppTask}. We keep track of the callingUid to ensure that 18888 * only the process that calls getAppTasks() can call the AppTask methods. 18889 */ 18890 class AppTaskImpl extends IAppTask.Stub { 18891 private int mTaskId; 18892 private int mCallingUid; 18893 18894 public AppTaskImpl(int taskId, int callingUid) { 18895 mTaskId = taskId; 18896 mCallingUid = callingUid; 18897 } 18898 18899 private void checkCaller() { 18900 if (mCallingUid != Binder.getCallingUid()) { 18901 throw new SecurityException("Caller " + mCallingUid 18902 + " does not match caller of getAppTasks(): " + Binder.getCallingUid()); 18903 } 18904 } 18905 18906 @Override 18907 public void finishAndRemoveTask() { 18908 checkCaller(); 18909 18910 synchronized (ActivityManagerService.this) { 18911 long origId = Binder.clearCallingIdentity(); 18912 try { 18913 TaskRecord tr = recentTaskForIdLocked(mTaskId); 18914 if (tr == null) { 18915 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18916 } 18917 // Only kill the process if we are not a new document 18918 int flags = tr.getBaseIntent().getFlags(); 18919 boolean isDocument = (flags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) == 18920 Intent.FLAG_ACTIVITY_NEW_DOCUMENT; 18921 removeTaskByIdLocked(mTaskId, 18922 !isDocument ? ActivityManager.REMOVE_TASK_KILL_PROCESS : 0); 18923 } finally { 18924 Binder.restoreCallingIdentity(origId); 18925 } 18926 } 18927 } 18928 18929 @Override 18930 public ActivityManager.RecentTaskInfo getTaskInfo() { 18931 checkCaller(); 18932 18933 synchronized (ActivityManagerService.this) { 18934 long origId = Binder.clearCallingIdentity(); 18935 try { 18936 TaskRecord tr = recentTaskForIdLocked(mTaskId); 18937 if (tr == null) { 18938 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18939 } 18940 return createRecentTaskInfoFromTaskRecord(tr); 18941 } finally { 18942 Binder.restoreCallingIdentity(origId); 18943 } 18944 } 18945 } 18946 18947 @Override 18948 public void moveToFront() { 18949 checkCaller(); 18950 18951 final TaskRecord tr; 18952 synchronized (ActivityManagerService.this) { 18953 tr = recentTaskForIdLocked(mTaskId); 18954 if (tr == null) { 18955 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18956 } 18957 if (tr.getRootActivity() != null) { 18958 moveTaskToFrontLocked(tr.taskId, 0, null); 18959 } 18960 } 18961 18962 startActivityFromRecentsInner(tr.taskId, null); 18963 } 18964 18965 @Override 18966 public int startActivity(IBinder whoThread, String callingPackage, 18967 Intent intent, String resolvedType, Bundle options) { 18968 checkCaller(); 18969 18970 int callingUser = UserHandle.getCallingUserId(); 18971 TaskRecord tr; 18972 IApplicationThread appThread; 18973 synchronized (ActivityManagerService.this) { 18974 tr = recentTaskForIdLocked(mTaskId); 18975 if (tr == null) { 18976 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18977 } 18978 appThread = ApplicationThreadNative.asInterface(whoThread); 18979 if (appThread == null) { 18980 throw new IllegalArgumentException("Bad app thread " + appThread); 18981 } 18982 } 18983 return mStackSupervisor.startActivityMayWait(appThread, -1, callingPackage, intent, 18984 resolvedType, null, null, null, null, 0, 0, null, null, 18985 null, options, callingUser, null, tr); 18986 } 18987 18988 @Override 18989 public void setExcludeFromRecents(boolean exclude) { 18990 checkCaller(); 18991 18992 synchronized (ActivityManagerService.this) { 18993 long origId = Binder.clearCallingIdentity(); 18994 try { 18995 TaskRecord tr = recentTaskForIdLocked(mTaskId); 18996 if (tr == null) { 18997 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18998 } 18999 Intent intent = tr.getBaseIntent(); 19000 if (exclude) { 19001 intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 19002 } else { 19003 intent.setFlags(intent.getFlags() 19004 & ~Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 19005 } 19006 } finally { 19007 Binder.restoreCallingIdentity(origId); 19008 } 19009 } 19010 } 19011 } 19012} 19013