ActivityManagerService.java revision 85b764e22babfe5508286fbad5d7fee12345704f
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.provider.Settings; 184import android.text.format.DateUtils; 185import android.text.format.Time; 186import android.util.AtomicFile; 187import android.util.EventLog; 188import android.util.Log; 189import android.util.Pair; 190import android.util.PrintWriterPrinter; 191import android.util.Slog; 192import android.util.SparseArray; 193import android.util.TimeUtils; 194import android.util.Xml; 195import android.view.Gravity; 196import android.view.LayoutInflater; 197import android.view.View; 198import android.view.WindowManager; 199 200import java.io.BufferedInputStream; 201import java.io.BufferedOutputStream; 202import java.io.DataInputStream; 203import java.io.DataOutputStream; 204import java.io.File; 205import java.io.FileDescriptor; 206import java.io.FileInputStream; 207import java.io.FileNotFoundException; 208import java.io.FileOutputStream; 209import java.io.IOException; 210import java.io.InputStreamReader; 211import java.io.PrintWriter; 212import java.io.StringWriter; 213import java.lang.ref.WeakReference; 214import java.util.ArrayList; 215import java.util.Arrays; 216import java.util.Collections; 217import java.util.Comparator; 218import java.util.HashMap; 219import java.util.HashSet; 220import java.util.Iterator; 221import java.util.List; 222import java.util.Locale; 223import java.util.Map; 224import java.util.Set; 225import java.util.concurrent.atomic.AtomicBoolean; 226import java.util.concurrent.atomic.AtomicLong; 227 228public final class ActivityManagerService extends ActivityManagerNative 229 implements Watchdog.Monitor, BatteryStatsImpl.BatteryCallback { 230 231 private static final String USER_DATA_DIR = "/data/user/"; 232 // File that stores last updated system version and called preboot receivers 233 static final String CALLED_PRE_BOOTS_FILENAME = "called_pre_boots.dat"; 234 235 static final String TAG = "ActivityManager"; 236 static final String TAG_MU = "ActivityManagerServiceMU"; 237 static final boolean DEBUG = false; 238 static final boolean localLOGV = DEBUG; 239 static final boolean DEBUG_BACKUP = localLOGV || false; 240 static final boolean DEBUG_BROADCAST = localLOGV || false; 241 static final boolean DEBUG_BROADCAST_LIGHT = DEBUG_BROADCAST || false; 242 static final boolean DEBUG_BACKGROUND_BROADCAST = DEBUG_BROADCAST || false; 243 static final boolean DEBUG_CLEANUP = localLOGV || false; 244 static final boolean DEBUG_CONFIGURATION = localLOGV || false; 245 static final boolean DEBUG_FOCUS = false; 246 static final boolean DEBUG_IMMERSIVE = localLOGV || false; 247 static final boolean DEBUG_MU = localLOGV || false; 248 static final boolean DEBUG_OOM_ADJ = localLOGV || false; 249 static final boolean DEBUG_LRU = localLOGV || false; 250 static final boolean DEBUG_PAUSE = localLOGV || false; 251 static final boolean DEBUG_POWER = localLOGV || false; 252 static final boolean DEBUG_POWER_QUICK = DEBUG_POWER || false; 253 static final boolean DEBUG_PROCESS_OBSERVERS = localLOGV || false; 254 static final boolean DEBUG_PROCESSES = localLOGV || false; 255 static final boolean DEBUG_PROVIDER = localLOGV || false; 256 static final boolean DEBUG_RESULTS = localLOGV || false; 257 static final boolean DEBUG_SERVICE = localLOGV || false; 258 static final boolean DEBUG_SERVICE_EXECUTING = localLOGV || false; 259 static final boolean DEBUG_STACK = localLOGV || false; 260 static final boolean DEBUG_SWITCH = localLOGV || false; 261 static final boolean DEBUG_TASKS = localLOGV || false; 262 static final boolean DEBUG_THUMBNAILS = localLOGV || false; 263 static final boolean DEBUG_TRANSITION = localLOGV || false; 264 static final boolean DEBUG_URI_PERMISSION = localLOGV || false; 265 static final boolean DEBUG_USER_LEAVING = localLOGV || false; 266 static final boolean DEBUG_VISBILITY = localLOGV || false; 267 static final boolean DEBUG_PSS = localLOGV || false; 268 static final boolean DEBUG_LOCKSCREEN = localLOGV || false; 269 static final boolean DEBUG_RECENTS = localLOGV || false; 270 static final boolean VALIDATE_TOKENS = false; 271 static final boolean SHOW_ACTIVITY_START_TIME = true; 272 273 // Control over CPU and battery monitoring. 274 static final long BATTERY_STATS_TIME = 30*60*1000; // write battery stats every 30 minutes. 275 static final boolean MONITOR_CPU_USAGE = true; 276 static final long MONITOR_CPU_MIN_TIME = 5*1000; // don't sample cpu less than every 5 seconds. 277 static final long MONITOR_CPU_MAX_TIME = 0x0fffffff; // wait possibly forever for next cpu sample. 278 static final boolean MONITOR_THREAD_CPU_USAGE = false; 279 280 // The flags that are set for all calls we make to the package manager. 281 static final int STOCK_PM_FLAGS = PackageManager.GET_SHARED_LIBRARY_FILES; 282 283 private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; 284 285 static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); 286 287 // Maximum number recent bitmaps to keep in memory. 288 static final int MAX_RECENT_BITMAPS = 5; 289 290 // Amount of time after a call to stopAppSwitches() during which we will 291 // prevent further untrusted switches from happening. 292 static final long APP_SWITCH_DELAY_TIME = 5*1000; 293 294 // How long we wait for a launched process to attach to the activity manager 295 // before we decide it's never going to come up for real. 296 static final int PROC_START_TIMEOUT = 10*1000; 297 298 // How long we wait for a launched process to attach to the activity manager 299 // before we decide it's never going to come up for real, when the process was 300 // started with a wrapper for instrumentation (such as Valgrind) because it 301 // could take much longer than usual. 302 static final int PROC_START_TIMEOUT_WITH_WRAPPER = 1200*1000; 303 304 // How long to wait after going idle before forcing apps to GC. 305 static final int GC_TIMEOUT = 5*1000; 306 307 // The minimum amount of time between successive GC requests for a process. 308 static final int GC_MIN_INTERVAL = 60*1000; 309 310 // The minimum amount of time between successive PSS requests for a process. 311 static final int FULL_PSS_MIN_INTERVAL = 10*60*1000; 312 313 // The minimum amount of time between successive PSS requests for a process 314 // when the request is due to the memory state being lowered. 315 static final int FULL_PSS_LOWERED_INTERVAL = 2*60*1000; 316 317 // The rate at which we check for apps using excessive power -- 15 mins. 318 static final int POWER_CHECK_DELAY = (DEBUG_POWER_QUICK ? 2 : 15) * 60*1000; 319 320 // The minimum sample duration we will allow before deciding we have 321 // enough data on wake locks to start killing things. 322 static final int WAKE_LOCK_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; 323 324 // The minimum sample duration we will allow before deciding we have 325 // enough data on CPU usage to start killing things. 326 static final int CPU_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; 327 328 // How long we allow a receiver to run before giving up on it. 329 static final int BROADCAST_FG_TIMEOUT = 10*1000; 330 static final int BROADCAST_BG_TIMEOUT = 60*1000; 331 332 // How long we wait until we timeout on key dispatching. 333 static final int KEY_DISPATCHING_TIMEOUT = 5*1000; 334 335 // How long we wait until we timeout on key dispatching during instrumentation. 336 static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000; 337 338 // Amount of time we wait for observers to handle a user switch before 339 // giving up on them and unfreezing the screen. 340 static final int USER_SWITCH_TIMEOUT = 2*1000; 341 342 // Maximum number of users we allow to be running at a time. 343 static final int MAX_RUNNING_USERS = 3; 344 345 // How long to wait in getAssistContextExtras for the activity and foreground services 346 // to respond with the result. 347 static final int PENDING_ASSIST_EXTRAS_TIMEOUT = 500; 348 349 // Maximum number of persisted Uri grants a package is allowed 350 static final int MAX_PERSISTED_URI_GRANTS = 128; 351 352 static final int MY_PID = Process.myPid(); 353 354 static final String[] EMPTY_STRING_ARRAY = new String[0]; 355 356 // How many bytes to write into the dropbox log before truncating 357 static final int DROPBOX_MAX_SIZE = 256 * 1024; 358 359 // Access modes for handleIncomingUser. 360 static final int ALLOW_NON_FULL = 0; 361 static final int ALLOW_NON_FULL_IN_PROFILE = 1; 362 static final int ALLOW_FULL_ONLY = 2; 363 364 static final int LAST_PREBOOT_DELIVERED_FILE_VERSION = 10000; 365 366 /** All system services */ 367 SystemServiceManager mSystemServiceManager; 368 369 /** Run all ActivityStacks through this */ 370 ActivityStackSupervisor mStackSupervisor; 371 372 public IntentFirewall mIntentFirewall; 373 374 // Whether we should show our dialogs (ANR, crash, etc) or just perform their 375 // default actuion automatically. Important for devices without direct input 376 // devices. 377 private boolean mShowDialogs = true; 378 379 BroadcastQueue mFgBroadcastQueue; 380 BroadcastQueue mBgBroadcastQueue; 381 // Convenient for easy iteration over the queues. Foreground is first 382 // so that dispatch of foreground broadcasts gets precedence. 383 final BroadcastQueue[] mBroadcastQueues = new BroadcastQueue[2]; 384 385 BroadcastQueue broadcastQueueForIntent(Intent intent) { 386 final boolean isFg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0; 387 if (DEBUG_BACKGROUND_BROADCAST) { 388 Slog.i(TAG, "Broadcast intent " + intent + " on " 389 + (isFg ? "foreground" : "background") 390 + " queue"); 391 } 392 return (isFg) ? mFgBroadcastQueue : mBgBroadcastQueue; 393 } 394 395 BroadcastRecord broadcastRecordForReceiverLocked(IBinder receiver) { 396 for (BroadcastQueue queue : mBroadcastQueues) { 397 BroadcastRecord r = queue.getMatchingOrderedReceiver(receiver); 398 if (r != null) { 399 return r; 400 } 401 } 402 return null; 403 } 404 405 /** 406 * Activity we have told the window manager to have key focus. 407 */ 408 ActivityRecord mFocusedActivity = null; 409 410 /** 411 * List of intents that were used to start the most recent tasks. 412 */ 413 ArrayList<TaskRecord> mRecentTasks; 414 ArraySet<TaskRecord> mTmpRecents = new ArraySet<TaskRecord>(); 415 416 /** 417 * For addAppTask: cached of the last activity component that was added. 418 */ 419 ComponentName mLastAddedTaskComponent; 420 421 /** 422 * For addAppTask: cached of the last activity uid that was added. 423 */ 424 int mLastAddedTaskUid; 425 426 /** 427 * For addAppTask: cached of the last ActivityInfo that was added. 428 */ 429 ActivityInfo mLastAddedTaskActivity; 430 431 public class PendingAssistExtras extends Binder implements Runnable { 432 public final ActivityRecord activity; 433 public boolean haveResult = false; 434 public Bundle result = null; 435 public PendingAssistExtras(ActivityRecord _activity) { 436 activity = _activity; 437 } 438 @Override 439 public void run() { 440 Slog.w(TAG, "getAssistContextExtras failed: timeout retrieving from " + activity); 441 synchronized (this) { 442 haveResult = true; 443 notifyAll(); 444 } 445 } 446 } 447 448 final ArrayList<PendingAssistExtras> mPendingAssistExtras 449 = new ArrayList<PendingAssistExtras>(); 450 451 /** 452 * Process management. 453 */ 454 final ProcessList mProcessList = new ProcessList(); 455 456 /** 457 * All of the applications we currently have running organized by name. 458 * The keys are strings of the application package name (as 459 * returned by the package manager), and the keys are ApplicationRecord 460 * objects. 461 */ 462 final ProcessMap<ProcessRecord> mProcessNames = new ProcessMap<ProcessRecord>(); 463 464 /** 465 * Tracking long-term execution of processes to look for abuse and other 466 * bad app behavior. 467 */ 468 final ProcessStatsService mProcessStats; 469 470 /** 471 * The currently running isolated processes. 472 */ 473 final SparseArray<ProcessRecord> mIsolatedProcesses = new SparseArray<ProcessRecord>(); 474 475 /** 476 * Counter for assigning isolated process uids, to avoid frequently reusing the 477 * same ones. 478 */ 479 int mNextIsolatedProcessUid = 0; 480 481 /** 482 * The currently running heavy-weight process, if any. 483 */ 484 ProcessRecord mHeavyWeightProcess = null; 485 486 /** 487 * The last time that various processes have crashed. 488 */ 489 final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<Long>(); 490 491 /** 492 * Information about a process that is currently marked as bad. 493 */ 494 static final class BadProcessInfo { 495 BadProcessInfo(long time, String shortMsg, String longMsg, String stack) { 496 this.time = time; 497 this.shortMsg = shortMsg; 498 this.longMsg = longMsg; 499 this.stack = stack; 500 } 501 502 final long time; 503 final String shortMsg; 504 final String longMsg; 505 final String stack; 506 } 507 508 /** 509 * Set of applications that we consider to be bad, and will reject 510 * incoming broadcasts from (which the user has no control over). 511 * Processes are added to this set when they have crashed twice within 512 * a minimum amount of time; they are removed from it when they are 513 * later restarted (hopefully due to some user action). The value is the 514 * time it was added to the list. 515 */ 516 final ProcessMap<BadProcessInfo> mBadProcesses = new ProcessMap<BadProcessInfo>(); 517 518 /** 519 * All of the processes we currently have running organized by pid. 520 * The keys are the pid running the application. 521 * 522 * <p>NOTE: This object is protected by its own lock, NOT the global 523 * activity manager lock! 524 */ 525 final SparseArray<ProcessRecord> mPidsSelfLocked = new SparseArray<ProcessRecord>(); 526 527 /** 528 * All of the processes that have been forced to be foreground. The key 529 * is the pid of the caller who requested it (we hold a death 530 * link on it). 531 */ 532 abstract class ForegroundToken implements IBinder.DeathRecipient { 533 int pid; 534 IBinder token; 535 } 536 final SparseArray<ForegroundToken> mForegroundProcesses = new SparseArray<ForegroundToken>(); 537 538 /** 539 * List of records for processes that someone had tried to start before the 540 * system was ready. We don't start them at that point, but ensure they 541 * are started by the time booting is complete. 542 */ 543 final ArrayList<ProcessRecord> mProcessesOnHold = new ArrayList<ProcessRecord>(); 544 545 /** 546 * List of persistent applications that are in the process 547 * of being started. 548 */ 549 final ArrayList<ProcessRecord> mPersistentStartingProcesses = new ArrayList<ProcessRecord>(); 550 551 /** 552 * Processes that are being forcibly torn down. 553 */ 554 final ArrayList<ProcessRecord> mRemovedProcesses = new ArrayList<ProcessRecord>(); 555 556 /** 557 * List of running applications, sorted by recent usage. 558 * The first entry in the list is the least recently used. 559 */ 560 final ArrayList<ProcessRecord> mLruProcesses = new ArrayList<ProcessRecord>(); 561 562 /** 563 * Where in mLruProcesses that the processes hosting activities start. 564 */ 565 int mLruProcessActivityStart = 0; 566 567 /** 568 * Where in mLruProcesses that the processes hosting services start. 569 * This is after (lower index) than mLruProcessesActivityStart. 570 */ 571 int mLruProcessServiceStart = 0; 572 573 /** 574 * List of processes that should gc as soon as things are idle. 575 */ 576 final ArrayList<ProcessRecord> mProcessesToGc = new ArrayList<ProcessRecord>(); 577 578 /** 579 * Processes we want to collect PSS data from. 580 */ 581 final ArrayList<ProcessRecord> mPendingPssProcesses = new ArrayList<ProcessRecord>(); 582 583 /** 584 * Last time we requested PSS data of all processes. 585 */ 586 long mLastFullPssTime = SystemClock.uptimeMillis(); 587 588 /** 589 * If set, the next time we collect PSS data we should do a full collection 590 * with data from native processes and the kernel. 591 */ 592 boolean mFullPssPending = false; 593 594 /** 595 * This is the process holding what we currently consider to be 596 * the "home" activity. 597 */ 598 ProcessRecord mHomeProcess; 599 600 /** 601 * This is the process holding the activity the user last visited that 602 * is in a different process from the one they are currently in. 603 */ 604 ProcessRecord mPreviousProcess; 605 606 /** 607 * The time at which the previous process was last visible. 608 */ 609 long mPreviousProcessVisibleTime; 610 611 /** 612 * Which uses have been started, so are allowed to run code. 613 */ 614 final SparseArray<UserStartedState> mStartedUsers = new SparseArray<UserStartedState>(); 615 616 /** 617 * LRU list of history of current users. Most recently current is at the end. 618 */ 619 final ArrayList<Integer> mUserLru = new ArrayList<Integer>(); 620 621 /** 622 * Constant array of the users that are currently started. 623 */ 624 int[] mStartedUserArray = new int[] { 0 }; 625 626 /** 627 * Registered observers of the user switching mechanics. 628 */ 629 final RemoteCallbackList<IUserSwitchObserver> mUserSwitchObservers 630 = new RemoteCallbackList<IUserSwitchObserver>(); 631 632 /** 633 * Currently active user switch. 634 */ 635 Object mCurUserSwitchCallback; 636 637 /** 638 * Packages that the user has asked to have run in screen size 639 * compatibility mode instead of filling the screen. 640 */ 641 final CompatModePackages mCompatModePackages; 642 643 /** 644 * Set of IntentSenderRecord objects that are currently active. 645 */ 646 final HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>> mIntentSenderRecords 647 = new HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>>(); 648 649 /** 650 * Fingerprints (hashCode()) of stack traces that we've 651 * already logged DropBox entries for. Guarded by itself. If 652 * something (rogue user app) forces this over 653 * MAX_DUP_SUPPRESSED_STACKS entries, the contents are cleared. 654 */ 655 private final HashSet<Integer> mAlreadyLoggedViolatedStacks = new HashSet<Integer>(); 656 private static final int MAX_DUP_SUPPRESSED_STACKS = 5000; 657 658 /** 659 * Strict Mode background batched logging state. 660 * 661 * The string buffer is guarded by itself, and its lock is also 662 * used to determine if another batched write is already 663 * in-flight. 664 */ 665 private final StringBuilder mStrictModeBuffer = new StringBuilder(); 666 667 /** 668 * Keeps track of all IIntentReceivers that have been registered for 669 * broadcasts. Hash keys are the receiver IBinder, hash value is 670 * a ReceiverList. 671 */ 672 final HashMap<IBinder, ReceiverList> mRegisteredReceivers = 673 new HashMap<IBinder, ReceiverList>(); 674 675 /** 676 * Resolver for broadcast intents to registered receivers. 677 * Holds BroadcastFilter (subclass of IntentFilter). 678 */ 679 final IntentResolver<BroadcastFilter, BroadcastFilter> mReceiverResolver 680 = new IntentResolver<BroadcastFilter, BroadcastFilter>() { 681 @Override 682 protected boolean allowFilterResult( 683 BroadcastFilter filter, List<BroadcastFilter> dest) { 684 IBinder target = filter.receiverList.receiver.asBinder(); 685 for (int i=dest.size()-1; i>=0; i--) { 686 if (dest.get(i).receiverList.receiver.asBinder() == target) { 687 return false; 688 } 689 } 690 return true; 691 } 692 693 @Override 694 protected BroadcastFilter newResult(BroadcastFilter filter, int match, int userId) { 695 if (userId == UserHandle.USER_ALL || filter.owningUserId == UserHandle.USER_ALL 696 || userId == filter.owningUserId) { 697 return super.newResult(filter, match, userId); 698 } 699 return null; 700 } 701 702 @Override 703 protected BroadcastFilter[] newArray(int size) { 704 return new BroadcastFilter[size]; 705 } 706 707 @Override 708 protected boolean isPackageForFilter(String packageName, BroadcastFilter filter) { 709 return packageName.equals(filter.packageName); 710 } 711 }; 712 713 /** 714 * State of all active sticky broadcasts per user. Keys are the action of the 715 * sticky Intent, values are an ArrayList of all broadcasted intents with 716 * that action (which should usually be one). The SparseArray is keyed 717 * by the user ID the sticky is for, and can include UserHandle.USER_ALL 718 * for stickies that are sent to all users. 719 */ 720 final SparseArray<ArrayMap<String, ArrayList<Intent>>> mStickyBroadcasts = 721 new SparseArray<ArrayMap<String, ArrayList<Intent>>>(); 722 723 final ActiveServices mServices; 724 725 /** 726 * Backup/restore process management 727 */ 728 String mBackupAppName = null; 729 BackupRecord mBackupTarget = null; 730 731 final ProviderMap mProviderMap; 732 733 /** 734 * List of content providers who have clients waiting for them. The 735 * application is currently being launched and the provider will be 736 * removed from this list once it is published. 737 */ 738 final ArrayList<ContentProviderRecord> mLaunchingProviders 739 = new ArrayList<ContentProviderRecord>(); 740 741 /** 742 * File storing persisted {@link #mGrantedUriPermissions}. 743 */ 744 private final AtomicFile mGrantFile; 745 746 /** XML constants used in {@link #mGrantFile} */ 747 private static final String TAG_URI_GRANTS = "uri-grants"; 748 private static final String TAG_URI_GRANT = "uri-grant"; 749 private static final String ATTR_USER_HANDLE = "userHandle"; 750 private static final String ATTR_SOURCE_USER_ID = "sourceUserId"; 751 private static final String ATTR_TARGET_USER_ID = "targetUserId"; 752 private static final String ATTR_SOURCE_PKG = "sourcePkg"; 753 private static final String ATTR_TARGET_PKG = "targetPkg"; 754 private static final String ATTR_URI = "uri"; 755 private static final String ATTR_MODE_FLAGS = "modeFlags"; 756 private static final String ATTR_CREATED_TIME = "createdTime"; 757 private static final String ATTR_PREFIX = "prefix"; 758 759 /** 760 * Global set of specific {@link Uri} permissions that have been granted. 761 * This optimized lookup structure maps from {@link UriPermission#targetUid} 762 * to {@link UriPermission#uri} to {@link UriPermission}. 763 */ 764 @GuardedBy("this") 765 private final SparseArray<ArrayMap<GrantUri, UriPermission>> 766 mGrantedUriPermissions = new SparseArray<ArrayMap<GrantUri, UriPermission>>(); 767 768 public static class GrantUri { 769 public final int sourceUserId; 770 public final Uri uri; 771 public boolean prefix; 772 773 public GrantUri(int sourceUserId, Uri uri, boolean prefix) { 774 this.sourceUserId = sourceUserId; 775 this.uri = uri; 776 this.prefix = prefix; 777 } 778 779 @Override 780 public int hashCode() { 781 return toString().hashCode(); 782 } 783 784 @Override 785 public boolean equals(Object o) { 786 if (o instanceof GrantUri) { 787 GrantUri other = (GrantUri) o; 788 return uri.equals(other.uri) && (sourceUserId == other.sourceUserId) 789 && prefix == other.prefix; 790 } 791 return false; 792 } 793 794 @Override 795 public String toString() { 796 String result = Integer.toString(sourceUserId) + " @ " + uri.toString(); 797 if (prefix) result += " [prefix]"; 798 return result; 799 } 800 801 public String toSafeString() { 802 String result = Integer.toString(sourceUserId) + " @ " + uri.toSafeString(); 803 if (prefix) result += " [prefix]"; 804 return result; 805 } 806 807 public static GrantUri resolve(int defaultSourceUserHandle, Uri uri) { 808 return new GrantUri(ContentProvider.getUserIdFromUri(uri, defaultSourceUserHandle), 809 ContentProvider.getUriWithoutUserId(uri), false); 810 } 811 } 812 813 CoreSettingsObserver mCoreSettingsObserver; 814 815 /** 816 * Thread-local storage used to carry caller permissions over through 817 * indirect content-provider access. 818 */ 819 private class Identity { 820 public int pid; 821 public int uid; 822 823 Identity(int _pid, int _uid) { 824 pid = _pid; 825 uid = _uid; 826 } 827 } 828 829 private static final ThreadLocal<Identity> sCallerIdentity = new ThreadLocal<Identity>(); 830 831 /** 832 * All information we have collected about the runtime performance of 833 * any user id that can impact battery performance. 834 */ 835 final BatteryStatsService mBatteryStatsService; 836 837 /** 838 * Information about component usage 839 */ 840 UsageStatsManagerInternal mUsageStatsService; 841 842 /** 843 * Information about and control over application operations 844 */ 845 final AppOpsService mAppOpsService; 846 847 /** 848 * Save recent tasks information across reboots. 849 */ 850 final TaskPersister mTaskPersister; 851 852 /** 853 * Current configuration information. HistoryRecord objects are given 854 * a reference to this object to indicate which configuration they are 855 * currently running in, so this object must be kept immutable. 856 */ 857 Configuration mConfiguration = new Configuration(); 858 859 /** 860 * Current sequencing integer of the configuration, for skipping old 861 * configurations. 862 */ 863 int mConfigurationSeq = 0; 864 865 /** 866 * Hardware-reported OpenGLES version. 867 */ 868 final int GL_ES_VERSION; 869 870 /** 871 * List of initialization arguments to pass to all processes when binding applications to them. 872 * For example, references to the commonly used services. 873 */ 874 HashMap<String, IBinder> mAppBindArgs; 875 876 /** 877 * Temporary to avoid allocations. Protected by main lock. 878 */ 879 final StringBuilder mStringBuilder = new StringBuilder(256); 880 881 /** 882 * Used to control how we initialize the service. 883 */ 884 ComponentName mTopComponent; 885 String mTopAction = Intent.ACTION_MAIN; 886 String mTopData; 887 boolean mProcessesReady = false; 888 boolean mSystemReady = false; 889 boolean mBooting = false; 890 boolean mWaitingUpdate = false; 891 boolean mDidUpdate = false; 892 boolean mOnBattery = false; 893 boolean mLaunchWarningShown = false; 894 895 Context mContext; 896 897 int mFactoryTest; 898 899 boolean mCheckedForSetup; 900 901 /** 902 * The time at which we will allow normal application switches again, 903 * after a call to {@link #stopAppSwitches()}. 904 */ 905 long mAppSwitchesAllowedTime; 906 907 /** 908 * This is set to true after the first switch after mAppSwitchesAllowedTime 909 * is set; any switches after that will clear the time. 910 */ 911 boolean mDidAppSwitch; 912 913 /** 914 * Last time (in realtime) at which we checked for power usage. 915 */ 916 long mLastPowerCheckRealtime; 917 918 /** 919 * Last time (in uptime) at which we checked for power usage. 920 */ 921 long mLastPowerCheckUptime; 922 923 /** 924 * Set while we are wanting to sleep, to prevent any 925 * activities from being started/resumed. 926 */ 927 private boolean mSleeping = false; 928 929 /** 930 * Set while we are running a voice interaction. This overrides 931 * sleeping while it is active. 932 */ 933 private boolean mRunningVoice = false; 934 935 /** 936 * State of external calls telling us if the device is asleep. 937 */ 938 private boolean mWentToSleep = false; 939 940 /** 941 * State of external call telling us if the lock screen is shown. 942 */ 943 private boolean mLockScreenShown = false; 944 945 /** 946 * Set if we are shutting down the system, similar to sleeping. 947 */ 948 boolean mShuttingDown = false; 949 950 /** 951 * Current sequence id for oom_adj computation traversal. 952 */ 953 int mAdjSeq = 0; 954 955 /** 956 * Current sequence id for process LRU updating. 957 */ 958 int mLruSeq = 0; 959 960 /** 961 * Keep track of the non-cached/empty process we last found, to help 962 * determine how to distribute cached/empty processes next time. 963 */ 964 int mNumNonCachedProcs = 0; 965 966 /** 967 * Keep track of the number of cached hidden procs, to balance oom adj 968 * distribution between those and empty procs. 969 */ 970 int mNumCachedHiddenProcs = 0; 971 972 /** 973 * Keep track of the number of service processes we last found, to 974 * determine on the next iteration which should be B services. 975 */ 976 int mNumServiceProcs = 0; 977 int mNewNumAServiceProcs = 0; 978 int mNewNumServiceProcs = 0; 979 980 /** 981 * Allow the current computed overall memory level of the system to go down? 982 * This is set to false when we are killing processes for reasons other than 983 * memory management, so that the now smaller process list will not be taken as 984 * an indication that memory is tighter. 985 */ 986 boolean mAllowLowerMemLevel = false; 987 988 /** 989 * The last computed memory level, for holding when we are in a state that 990 * processes are going away for other reasons. 991 */ 992 int mLastMemoryLevel = ProcessStats.ADJ_MEM_FACTOR_NORMAL; 993 994 /** 995 * The last total number of process we have, to determine if changes actually look 996 * like a shrinking number of process due to lower RAM. 997 */ 998 int mLastNumProcesses; 999 1000 /** 1001 * The uptime of the last time we performed idle maintenance. 1002 */ 1003 long mLastIdleTime = SystemClock.uptimeMillis(); 1004 1005 /** 1006 * Total time spent with RAM that has been added in the past since the last idle time. 1007 */ 1008 long mLowRamTimeSinceLastIdle = 0; 1009 1010 /** 1011 * If RAM is currently low, when that horrible situation started. 1012 */ 1013 long mLowRamStartTime = 0; 1014 1015 /** 1016 * For reporting to battery stats the current top application. 1017 */ 1018 private String mCurResumedPackage = null; 1019 private int mCurResumedUid = -1; 1020 1021 /** 1022 * For reporting to battery stats the apps currently running foreground 1023 * service. The ProcessMap is package/uid tuples; each of these contain 1024 * an array of the currently foreground processes. 1025 */ 1026 final ProcessMap<ArrayList<ProcessRecord>> mForegroundPackages 1027 = new ProcessMap<ArrayList<ProcessRecord>>(); 1028 1029 /** 1030 * This is set if we had to do a delayed dexopt of an app before launching 1031 * it, to increase the ANR timeouts in that case. 1032 */ 1033 boolean mDidDexOpt; 1034 1035 /** 1036 * Set if the systemServer made a call to enterSafeMode. 1037 */ 1038 boolean mSafeMode; 1039 1040 String mDebugApp = null; 1041 boolean mWaitForDebugger = false; 1042 boolean mDebugTransient = false; 1043 String mOrigDebugApp = null; 1044 boolean mOrigWaitForDebugger = false; 1045 boolean mAlwaysFinishActivities = false; 1046 IActivityController mController = null; 1047 String mProfileApp = null; 1048 ProcessRecord mProfileProc = null; 1049 String mProfileFile; 1050 ParcelFileDescriptor mProfileFd; 1051 int mSamplingInterval = 0; 1052 boolean mAutoStopProfiler = false; 1053 int mProfileType = 0; 1054 String mOpenGlTraceApp = null; 1055 1056 static class ProcessChangeItem { 1057 static final int CHANGE_ACTIVITIES = 1<<0; 1058 static final int CHANGE_PROCESS_STATE = 1<<1; 1059 int changes; 1060 int uid; 1061 int pid; 1062 int processState; 1063 boolean foregroundActivities; 1064 } 1065 1066 final RemoteCallbackList<IProcessObserver> mProcessObservers 1067 = new RemoteCallbackList<IProcessObserver>(); 1068 ProcessChangeItem[] mActiveProcessChanges = new ProcessChangeItem[5]; 1069 1070 final ArrayList<ProcessChangeItem> mPendingProcessChanges 1071 = new ArrayList<ProcessChangeItem>(); 1072 final ArrayList<ProcessChangeItem> mAvailProcessChanges 1073 = new ArrayList<ProcessChangeItem>(); 1074 1075 /** 1076 * Runtime CPU use collection thread. This object's lock is used to 1077 * protect all related state. 1078 */ 1079 final Thread mProcessCpuThread; 1080 1081 /** 1082 * Used to collect process stats when showing not responding dialog. 1083 * Protected by mProcessCpuThread. 1084 */ 1085 final ProcessCpuTracker mProcessCpuTracker = new ProcessCpuTracker( 1086 MONITOR_THREAD_CPU_USAGE); 1087 final AtomicLong mLastCpuTime = new AtomicLong(0); 1088 final AtomicBoolean mProcessCpuMutexFree = new AtomicBoolean(true); 1089 1090 long mLastWriteTime = 0; 1091 1092 /** 1093 * Used to retain an update lock when the foreground activity is in 1094 * immersive mode. 1095 */ 1096 final UpdateLock mUpdateLock = new UpdateLock("immersive"); 1097 1098 /** 1099 * Set to true after the system has finished booting. 1100 */ 1101 boolean mBooted = false; 1102 1103 int mProcessLimit = ProcessList.MAX_CACHED_APPS; 1104 int mProcessLimitOverride = -1; 1105 1106 WindowManagerService mWindowManager; 1107 1108 final ActivityThread mSystemThread; 1109 1110 int mCurrentUserId = 0; 1111 int[] mCurrentProfileIds = new int[] {UserHandle.USER_OWNER}; // Accessed by ActivityStack 1112 1113 /** 1114 * Mapping from each known user ID to the profile group ID it is associated with. 1115 */ 1116 SparseIntArray mUserProfileGroupIdsSelfLocked = new SparseIntArray(); 1117 1118 private UserManagerService mUserManager; 1119 1120 private final class AppDeathRecipient implements IBinder.DeathRecipient { 1121 final ProcessRecord mApp; 1122 final int mPid; 1123 final IApplicationThread mAppThread; 1124 1125 AppDeathRecipient(ProcessRecord app, int pid, 1126 IApplicationThread thread) { 1127 if (localLOGV) Slog.v( 1128 TAG, "New death recipient " + this 1129 + " for thread " + thread.asBinder()); 1130 mApp = app; 1131 mPid = pid; 1132 mAppThread = thread; 1133 } 1134 1135 @Override 1136 public void binderDied() { 1137 if (localLOGV) Slog.v( 1138 TAG, "Death received in " + this 1139 + " for thread " + mAppThread.asBinder()); 1140 synchronized(ActivityManagerService.this) { 1141 appDiedLocked(mApp, mPid, mAppThread); 1142 } 1143 } 1144 } 1145 1146 static final int SHOW_ERROR_MSG = 1; 1147 static final int SHOW_NOT_RESPONDING_MSG = 2; 1148 static final int SHOW_FACTORY_ERROR_MSG = 3; 1149 static final int UPDATE_CONFIGURATION_MSG = 4; 1150 static final int GC_BACKGROUND_PROCESSES_MSG = 5; 1151 static final int WAIT_FOR_DEBUGGER_MSG = 6; 1152 static final int SERVICE_TIMEOUT_MSG = 12; 1153 static final int UPDATE_TIME_ZONE = 13; 1154 static final int SHOW_UID_ERROR_MSG = 14; 1155 static final int IM_FEELING_LUCKY_MSG = 15; 1156 static final int PROC_START_TIMEOUT_MSG = 20; 1157 static final int DO_PENDING_ACTIVITY_LAUNCHES_MSG = 21; 1158 static final int KILL_APPLICATION_MSG = 22; 1159 static final int FINALIZE_PENDING_INTENT_MSG = 23; 1160 static final int POST_HEAVY_NOTIFICATION_MSG = 24; 1161 static final int CANCEL_HEAVY_NOTIFICATION_MSG = 25; 1162 static final int SHOW_STRICT_MODE_VIOLATION_MSG = 26; 1163 static final int CHECK_EXCESSIVE_WAKE_LOCKS_MSG = 27; 1164 static final int CLEAR_DNS_CACHE_MSG = 28; 1165 static final int UPDATE_HTTP_PROXY_MSG = 29; 1166 static final int SHOW_COMPAT_MODE_DIALOG_MSG = 30; 1167 static final int DISPATCH_PROCESSES_CHANGED = 31; 1168 static final int DISPATCH_PROCESS_DIED = 32; 1169 static final int REPORT_MEM_USAGE_MSG = 33; 1170 static final int REPORT_USER_SWITCH_MSG = 34; 1171 static final int CONTINUE_USER_SWITCH_MSG = 35; 1172 static final int USER_SWITCH_TIMEOUT_MSG = 36; 1173 static final int IMMERSIVE_MODE_LOCK_MSG = 37; 1174 static final int PERSIST_URI_GRANTS_MSG = 38; 1175 static final int REQUEST_ALL_PSS_MSG = 39; 1176 static final int START_PROFILES_MSG = 40; 1177 static final int UPDATE_TIME = 41; 1178 static final int SYSTEM_USER_START_MSG = 42; 1179 static final int SYSTEM_USER_CURRENT_MSG = 43; 1180 static final int ENTER_ANIMATION_COMPLETE_MSG = 44; 1181 static final int ENABLE_SCREEN_AFTER_BOOT_MSG = 45; 1182 static final int START_USER_SWITCH_MSG = 46; 1183 1184 static final int FIRST_ACTIVITY_STACK_MSG = 100; 1185 static final int FIRST_BROADCAST_QUEUE_MSG = 200; 1186 static final int FIRST_COMPAT_MODE_MSG = 300; 1187 static final int FIRST_SUPERVISOR_STACK_MSG = 100; 1188 1189 AlertDialog mUidAlert; 1190 CompatModeDialog mCompatModeDialog; 1191 long mLastMemUsageReportTime = 0; 1192 1193 private LockToAppRequestDialog mLockToAppRequest; 1194 1195 /** 1196 * Flag whether the current user is a "monkey", i.e. whether 1197 * the UI is driven by a UI automation tool. 1198 */ 1199 private boolean mUserIsMonkey; 1200 1201 /** Flag whether the device has a recents UI */ 1202 final boolean mHasRecents; 1203 1204 final int mThumbnailWidth; 1205 final int mThumbnailHeight; 1206 1207 final ServiceThread mHandlerThread; 1208 final MainHandler mHandler; 1209 1210 final class MainHandler extends Handler { 1211 public MainHandler(Looper looper) { 1212 super(looper, null, true); 1213 } 1214 1215 @Override 1216 public void handleMessage(Message msg) { 1217 switch (msg.what) { 1218 case SHOW_ERROR_MSG: { 1219 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1220 boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), 1221 Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; 1222 synchronized (ActivityManagerService.this) { 1223 ProcessRecord proc = (ProcessRecord)data.get("app"); 1224 AppErrorResult res = (AppErrorResult) data.get("result"); 1225 if (proc != null && proc.crashDialog != null) { 1226 Slog.e(TAG, "App already has crash dialog: " + proc); 1227 if (res != null) { 1228 res.set(0); 1229 } 1230 return; 1231 } 1232 boolean isBackground = (UserHandle.getAppId(proc.uid) 1233 >= Process.FIRST_APPLICATION_UID 1234 && proc.pid != MY_PID); 1235 for (int userId : mCurrentProfileIds) { 1236 isBackground &= (proc.userId != userId); 1237 } 1238 if (isBackground && !showBackground) { 1239 Slog.w(TAG, "Skipping crash dialog of " + proc + ": background"); 1240 if (res != null) { 1241 res.set(0); 1242 } 1243 return; 1244 } 1245 if (mShowDialogs && !mSleeping && !mShuttingDown) { 1246 Dialog d = new AppErrorDialog(mContext, 1247 ActivityManagerService.this, res, proc); 1248 d.show(); 1249 proc.crashDialog = d; 1250 } else { 1251 // The device is asleep, so just pretend that the user 1252 // saw a crash dialog and hit "force quit". 1253 if (res != null) { 1254 res.set(0); 1255 } 1256 } 1257 } 1258 1259 ensureBootCompleted(); 1260 } break; 1261 case SHOW_NOT_RESPONDING_MSG: { 1262 synchronized (ActivityManagerService.this) { 1263 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1264 ProcessRecord proc = (ProcessRecord)data.get("app"); 1265 if (proc != null && proc.anrDialog != null) { 1266 Slog.e(TAG, "App already has anr dialog: " + proc); 1267 return; 1268 } 1269 1270 Intent intent = new Intent("android.intent.action.ANR"); 1271 if (!mProcessesReady) { 1272 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 1273 | Intent.FLAG_RECEIVER_FOREGROUND); 1274 } 1275 broadcastIntentLocked(null, null, intent, 1276 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 1277 false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */); 1278 1279 if (mShowDialogs) { 1280 Dialog d = new AppNotRespondingDialog(ActivityManagerService.this, 1281 mContext, proc, (ActivityRecord)data.get("activity"), 1282 msg.arg1 != 0); 1283 d.show(); 1284 proc.anrDialog = d; 1285 } else { 1286 // Just kill the app if there is no dialog to be shown. 1287 killAppAtUsersRequest(proc, null); 1288 } 1289 } 1290 1291 ensureBootCompleted(); 1292 } break; 1293 case SHOW_STRICT_MODE_VIOLATION_MSG: { 1294 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1295 synchronized (ActivityManagerService.this) { 1296 ProcessRecord proc = (ProcessRecord) data.get("app"); 1297 if (proc == null) { 1298 Slog.e(TAG, "App not found when showing strict mode dialog."); 1299 break; 1300 } 1301 if (proc.crashDialog != null) { 1302 Slog.e(TAG, "App already has strict mode dialog: " + proc); 1303 return; 1304 } 1305 AppErrorResult res = (AppErrorResult) data.get("result"); 1306 if (mShowDialogs && !mSleeping && !mShuttingDown) { 1307 Dialog d = new StrictModeViolationDialog(mContext, 1308 ActivityManagerService.this, res, proc); 1309 d.show(); 1310 proc.crashDialog = d; 1311 } else { 1312 // The device is asleep, so just pretend that the user 1313 // saw a crash dialog and hit "force quit". 1314 res.set(0); 1315 } 1316 } 1317 ensureBootCompleted(); 1318 } break; 1319 case SHOW_FACTORY_ERROR_MSG: { 1320 Dialog d = new FactoryErrorDialog( 1321 mContext, msg.getData().getCharSequence("msg")); 1322 d.show(); 1323 ensureBootCompleted(); 1324 } break; 1325 case UPDATE_CONFIGURATION_MSG: { 1326 final ContentResolver resolver = mContext.getContentResolver(); 1327 Settings.System.putConfiguration(resolver, (Configuration)msg.obj); 1328 } break; 1329 case GC_BACKGROUND_PROCESSES_MSG: { 1330 synchronized (ActivityManagerService.this) { 1331 performAppGcsIfAppropriateLocked(); 1332 } 1333 } break; 1334 case WAIT_FOR_DEBUGGER_MSG: { 1335 synchronized (ActivityManagerService.this) { 1336 ProcessRecord app = (ProcessRecord)msg.obj; 1337 if (msg.arg1 != 0) { 1338 if (!app.waitedForDebugger) { 1339 Dialog d = new AppWaitingForDebuggerDialog( 1340 ActivityManagerService.this, 1341 mContext, app); 1342 app.waitDialog = d; 1343 app.waitedForDebugger = true; 1344 d.show(); 1345 } 1346 } else { 1347 if (app.waitDialog != null) { 1348 app.waitDialog.dismiss(); 1349 app.waitDialog = null; 1350 } 1351 } 1352 } 1353 } break; 1354 case SERVICE_TIMEOUT_MSG: { 1355 if (mDidDexOpt) { 1356 mDidDexOpt = false; 1357 Message nmsg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); 1358 nmsg.obj = msg.obj; 1359 mHandler.sendMessageDelayed(nmsg, ActiveServices.SERVICE_TIMEOUT); 1360 return; 1361 } 1362 mServices.serviceTimeout((ProcessRecord)msg.obj); 1363 } break; 1364 case UPDATE_TIME_ZONE: { 1365 synchronized (ActivityManagerService.this) { 1366 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1367 ProcessRecord r = mLruProcesses.get(i); 1368 if (r.thread != null) { 1369 try { 1370 r.thread.updateTimeZone(); 1371 } catch (RemoteException ex) { 1372 Slog.w(TAG, "Failed to update time zone for: " + r.info.processName); 1373 } 1374 } 1375 } 1376 } 1377 } break; 1378 case CLEAR_DNS_CACHE_MSG: { 1379 synchronized (ActivityManagerService.this) { 1380 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1381 ProcessRecord r = mLruProcesses.get(i); 1382 if (r.thread != null) { 1383 try { 1384 r.thread.clearDnsCache(); 1385 } catch (RemoteException ex) { 1386 Slog.w(TAG, "Failed to clear dns cache for: " + r.info.processName); 1387 } 1388 } 1389 } 1390 } 1391 } break; 1392 case UPDATE_HTTP_PROXY_MSG: { 1393 ProxyInfo proxy = (ProxyInfo)msg.obj; 1394 String host = ""; 1395 String port = ""; 1396 String exclList = ""; 1397 Uri pacFileUrl = Uri.EMPTY; 1398 if (proxy != null) { 1399 host = proxy.getHost(); 1400 port = Integer.toString(proxy.getPort()); 1401 exclList = proxy.getExclusionListAsString(); 1402 pacFileUrl = proxy.getPacFileUrl(); 1403 } 1404 synchronized (ActivityManagerService.this) { 1405 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1406 ProcessRecord r = mLruProcesses.get(i); 1407 if (r.thread != null) { 1408 try { 1409 r.thread.setHttpProxy(host, port, exclList, pacFileUrl); 1410 } catch (RemoteException ex) { 1411 Slog.w(TAG, "Failed to update http proxy for: " + 1412 r.info.processName); 1413 } 1414 } 1415 } 1416 } 1417 } break; 1418 case SHOW_UID_ERROR_MSG: { 1419 String title = "System UIDs Inconsistent"; 1420 String text = "UIDs on the system are inconsistent, you need to wipe your" 1421 + " data partition or your device will be unstable."; 1422 Log.e(TAG, title + ": " + text); 1423 if (mShowDialogs) { 1424 // XXX This is a temporary dialog, no need to localize. 1425 AlertDialog d = new BaseErrorDialog(mContext); 1426 d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR); 1427 d.setCancelable(false); 1428 d.setTitle(title); 1429 d.setMessage(text); 1430 d.setButton(DialogInterface.BUTTON_POSITIVE, "I'm Feeling Lucky", 1431 mHandler.obtainMessage(IM_FEELING_LUCKY_MSG)); 1432 mUidAlert = d; 1433 d.show(); 1434 } 1435 } break; 1436 case IM_FEELING_LUCKY_MSG: { 1437 if (mUidAlert != null) { 1438 mUidAlert.dismiss(); 1439 mUidAlert = null; 1440 } 1441 } break; 1442 case PROC_START_TIMEOUT_MSG: { 1443 if (mDidDexOpt) { 1444 mDidDexOpt = false; 1445 Message nmsg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); 1446 nmsg.obj = msg.obj; 1447 mHandler.sendMessageDelayed(nmsg, PROC_START_TIMEOUT); 1448 return; 1449 } 1450 ProcessRecord app = (ProcessRecord)msg.obj; 1451 synchronized (ActivityManagerService.this) { 1452 processStartTimedOutLocked(app); 1453 } 1454 } break; 1455 case DO_PENDING_ACTIVITY_LAUNCHES_MSG: { 1456 synchronized (ActivityManagerService.this) { 1457 mStackSupervisor.doPendingActivityLaunchesLocked(true); 1458 } 1459 } break; 1460 case KILL_APPLICATION_MSG: { 1461 synchronized (ActivityManagerService.this) { 1462 int appid = msg.arg1; 1463 boolean restart = (msg.arg2 == 1); 1464 Bundle bundle = (Bundle)msg.obj; 1465 String pkg = bundle.getString("pkg"); 1466 String reason = bundle.getString("reason"); 1467 forceStopPackageLocked(pkg, appid, restart, false, true, false, 1468 false, UserHandle.USER_ALL, reason); 1469 } 1470 } break; 1471 case FINALIZE_PENDING_INTENT_MSG: { 1472 ((PendingIntentRecord)msg.obj).completeFinalize(); 1473 } break; 1474 case POST_HEAVY_NOTIFICATION_MSG: { 1475 INotificationManager inm = NotificationManager.getService(); 1476 if (inm == null) { 1477 return; 1478 } 1479 1480 ActivityRecord root = (ActivityRecord)msg.obj; 1481 ProcessRecord process = root.app; 1482 if (process == null) { 1483 return; 1484 } 1485 1486 try { 1487 Context context = mContext.createPackageContext(process.info.packageName, 0); 1488 String text = mContext.getString(R.string.heavy_weight_notification, 1489 context.getApplicationInfo().loadLabel(context.getPackageManager())); 1490 Notification notification = new Notification(); 1491 notification.icon = com.android.internal.R.drawable.stat_sys_adb; //context.getApplicationInfo().icon; 1492 notification.when = 0; 1493 notification.flags = Notification.FLAG_ONGOING_EVENT; 1494 notification.tickerText = text; 1495 notification.defaults = 0; // please be quiet 1496 notification.sound = null; 1497 notification.vibrate = null; 1498 notification.color = mContext.getResources().getColor( 1499 com.android.internal.R.color.system_notification_accent_color); 1500 notification.setLatestEventInfo(context, text, 1501 mContext.getText(R.string.heavy_weight_notification_detail), 1502 PendingIntent.getActivityAsUser(mContext, 0, root.intent, 1503 PendingIntent.FLAG_CANCEL_CURRENT, null, 1504 new UserHandle(root.userId))); 1505 1506 try { 1507 int[] outId = new int[1]; 1508 inm.enqueueNotificationWithTag("android", "android", null, 1509 R.string.heavy_weight_notification, 1510 notification, outId, root.userId); 1511 } catch (RuntimeException e) { 1512 Slog.w(ActivityManagerService.TAG, 1513 "Error showing notification for heavy-weight app", e); 1514 } catch (RemoteException e) { 1515 } 1516 } catch (NameNotFoundException e) { 1517 Slog.w(TAG, "Unable to create context for heavy notification", e); 1518 } 1519 } break; 1520 case CANCEL_HEAVY_NOTIFICATION_MSG: { 1521 INotificationManager inm = NotificationManager.getService(); 1522 if (inm == null) { 1523 return; 1524 } 1525 try { 1526 inm.cancelNotificationWithTag("android", null, 1527 R.string.heavy_weight_notification, msg.arg1); 1528 } catch (RuntimeException e) { 1529 Slog.w(ActivityManagerService.TAG, 1530 "Error canceling notification for service", e); 1531 } catch (RemoteException e) { 1532 } 1533 } break; 1534 case CHECK_EXCESSIVE_WAKE_LOCKS_MSG: { 1535 synchronized (ActivityManagerService.this) { 1536 checkExcessivePowerUsageLocked(true); 1537 removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 1538 Message nmsg = obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 1539 sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 1540 } 1541 } break; 1542 case SHOW_COMPAT_MODE_DIALOG_MSG: { 1543 synchronized (ActivityManagerService.this) { 1544 ActivityRecord ar = (ActivityRecord)msg.obj; 1545 if (mCompatModeDialog != null) { 1546 if (mCompatModeDialog.mAppInfo.packageName.equals( 1547 ar.info.applicationInfo.packageName)) { 1548 return; 1549 } 1550 mCompatModeDialog.dismiss(); 1551 mCompatModeDialog = null; 1552 } 1553 if (ar != null && false) { 1554 if (mCompatModePackages.getPackageAskCompatModeLocked( 1555 ar.packageName)) { 1556 int mode = mCompatModePackages.computeCompatModeLocked( 1557 ar.info.applicationInfo); 1558 if (mode == ActivityManager.COMPAT_MODE_DISABLED 1559 || mode == ActivityManager.COMPAT_MODE_ENABLED) { 1560 mCompatModeDialog = new CompatModeDialog( 1561 ActivityManagerService.this, mContext, 1562 ar.info.applicationInfo); 1563 mCompatModeDialog.show(); 1564 } 1565 } 1566 } 1567 } 1568 break; 1569 } 1570 case DISPATCH_PROCESSES_CHANGED: { 1571 dispatchProcessesChanged(); 1572 break; 1573 } 1574 case DISPATCH_PROCESS_DIED: { 1575 final int pid = msg.arg1; 1576 final int uid = msg.arg2; 1577 dispatchProcessDied(pid, uid); 1578 break; 1579 } 1580 case REPORT_MEM_USAGE_MSG: { 1581 final ArrayList<ProcessMemInfo> memInfos = (ArrayList<ProcessMemInfo>)msg.obj; 1582 Thread thread = new Thread() { 1583 @Override public void run() { 1584 final SparseArray<ProcessMemInfo> infoMap 1585 = new SparseArray<ProcessMemInfo>(memInfos.size()); 1586 for (int i=0, N=memInfos.size(); i<N; i++) { 1587 ProcessMemInfo mi = memInfos.get(i); 1588 infoMap.put(mi.pid, mi); 1589 } 1590 updateCpuStatsNow(); 1591 synchronized (mProcessCpuThread) { 1592 final int N = mProcessCpuTracker.countStats(); 1593 for (int i=0; i<N; i++) { 1594 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 1595 if (st.vsize > 0) { 1596 long pss = Debug.getPss(st.pid, null); 1597 if (pss > 0) { 1598 if (infoMap.indexOfKey(st.pid) < 0) { 1599 ProcessMemInfo mi = new ProcessMemInfo(st.name, st.pid, 1600 ProcessList.NATIVE_ADJ, -1, "native", null); 1601 mi.pss = pss; 1602 memInfos.add(mi); 1603 } 1604 } 1605 } 1606 } 1607 } 1608 1609 long totalPss = 0; 1610 for (int i=0, N=memInfos.size(); i<N; i++) { 1611 ProcessMemInfo mi = memInfos.get(i); 1612 if (mi.pss == 0) { 1613 mi.pss = Debug.getPss(mi.pid, null); 1614 } 1615 totalPss += mi.pss; 1616 } 1617 Collections.sort(memInfos, new Comparator<ProcessMemInfo>() { 1618 @Override public int compare(ProcessMemInfo lhs, ProcessMemInfo rhs) { 1619 if (lhs.oomAdj != rhs.oomAdj) { 1620 return lhs.oomAdj < rhs.oomAdj ? -1 : 1; 1621 } 1622 if (lhs.pss != rhs.pss) { 1623 return lhs.pss < rhs.pss ? 1 : -1; 1624 } 1625 return 0; 1626 } 1627 }); 1628 1629 StringBuilder tag = new StringBuilder(128); 1630 StringBuilder stack = new StringBuilder(128); 1631 tag.append("Low on memory -- "); 1632 appendMemBucket(tag, totalPss, "total", false); 1633 appendMemBucket(stack, totalPss, "total", true); 1634 1635 StringBuilder logBuilder = new StringBuilder(1024); 1636 logBuilder.append("Low on memory:\n"); 1637 1638 boolean firstLine = true; 1639 int lastOomAdj = Integer.MIN_VALUE; 1640 for (int i=0, N=memInfos.size(); i<N; i++) { 1641 ProcessMemInfo mi = memInfos.get(i); 1642 1643 if (mi.oomAdj != ProcessList.NATIVE_ADJ 1644 && (mi.oomAdj < ProcessList.SERVICE_ADJ 1645 || mi.oomAdj == ProcessList.HOME_APP_ADJ 1646 || mi.oomAdj == ProcessList.PREVIOUS_APP_ADJ)) { 1647 if (lastOomAdj != mi.oomAdj) { 1648 lastOomAdj = mi.oomAdj; 1649 if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) { 1650 tag.append(" / "); 1651 } 1652 if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ) { 1653 if (firstLine) { 1654 stack.append(":"); 1655 firstLine = false; 1656 } 1657 stack.append("\n\t at "); 1658 } else { 1659 stack.append("$"); 1660 } 1661 } else { 1662 tag.append(" "); 1663 stack.append("$"); 1664 } 1665 if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) { 1666 appendMemBucket(tag, mi.pss, mi.name, false); 1667 } 1668 appendMemBucket(stack, mi.pss, mi.name, true); 1669 if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ 1670 && ((i+1) >= N || memInfos.get(i+1).oomAdj != lastOomAdj)) { 1671 stack.append("("); 1672 for (int k=0; k<DUMP_MEM_OOM_ADJ.length; k++) { 1673 if (DUMP_MEM_OOM_ADJ[k] == mi.oomAdj) { 1674 stack.append(DUMP_MEM_OOM_LABEL[k]); 1675 stack.append(":"); 1676 stack.append(DUMP_MEM_OOM_ADJ[k]); 1677 } 1678 } 1679 stack.append(")"); 1680 } 1681 } 1682 1683 logBuilder.append(" "); 1684 logBuilder.append(ProcessList.makeOomAdjString(mi.oomAdj)); 1685 logBuilder.append(' '); 1686 logBuilder.append(ProcessList.makeProcStateString(mi.procState)); 1687 logBuilder.append(' '); 1688 ProcessList.appendRamKb(logBuilder, mi.pss); 1689 logBuilder.append(" kB: "); 1690 logBuilder.append(mi.name); 1691 logBuilder.append(" ("); 1692 logBuilder.append(mi.pid); 1693 logBuilder.append(") "); 1694 logBuilder.append(mi.adjType); 1695 logBuilder.append('\n'); 1696 if (mi.adjReason != null) { 1697 logBuilder.append(" "); 1698 logBuilder.append(mi.adjReason); 1699 logBuilder.append('\n'); 1700 } 1701 } 1702 1703 logBuilder.append(" "); 1704 ProcessList.appendRamKb(logBuilder, totalPss); 1705 logBuilder.append(" kB: TOTAL\n"); 1706 1707 long[] infos = new long[Debug.MEMINFO_COUNT]; 1708 Debug.getMemInfo(infos); 1709 logBuilder.append(" MemInfo: "); 1710 logBuilder.append(infos[Debug.MEMINFO_SLAB]).append(" kB slab, "); 1711 logBuilder.append(infos[Debug.MEMINFO_SHMEM]).append(" kB shmem, "); 1712 logBuilder.append(infos[Debug.MEMINFO_BUFFERS]).append(" kB buffers, "); 1713 logBuilder.append(infos[Debug.MEMINFO_CACHED]).append(" kB cached, "); 1714 logBuilder.append(infos[Debug.MEMINFO_FREE]).append(" kB free\n"); 1715 if (infos[Debug.MEMINFO_ZRAM_TOTAL] != 0) { 1716 logBuilder.append(" ZRAM: "); 1717 logBuilder.append(infos[Debug.MEMINFO_ZRAM_TOTAL]); 1718 logBuilder.append(" kB RAM, "); 1719 logBuilder.append(infos[Debug.MEMINFO_SWAP_TOTAL]); 1720 logBuilder.append(" kB swap total, "); 1721 logBuilder.append(infos[Debug.MEMINFO_SWAP_FREE]); 1722 logBuilder.append(" kB swap free\n"); 1723 } 1724 Slog.i(TAG, logBuilder.toString()); 1725 1726 StringBuilder dropBuilder = new StringBuilder(1024); 1727 /* 1728 StringWriter oomSw = new StringWriter(); 1729 PrintWriter oomPw = new FastPrintWriter(oomSw, false, 256); 1730 StringWriter catSw = new StringWriter(); 1731 PrintWriter catPw = new FastPrintWriter(catSw, false, 256); 1732 String[] emptyArgs = new String[] { }; 1733 dumpApplicationMemoryUsage(null, oomPw, " ", emptyArgs, true, catPw); 1734 oomPw.flush(); 1735 String oomString = oomSw.toString(); 1736 */ 1737 dropBuilder.append(stack); 1738 dropBuilder.append('\n'); 1739 dropBuilder.append('\n'); 1740 dropBuilder.append(logBuilder); 1741 dropBuilder.append('\n'); 1742 /* 1743 dropBuilder.append(oomString); 1744 dropBuilder.append('\n'); 1745 */ 1746 StringWriter catSw = new StringWriter(); 1747 synchronized (ActivityManagerService.this) { 1748 PrintWriter catPw = new FastPrintWriter(catSw, false, 256); 1749 String[] emptyArgs = new String[] { }; 1750 catPw.println(); 1751 dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null); 1752 catPw.println(); 1753 mServices.dumpServicesLocked(null, catPw, emptyArgs, 0, 1754 false, false, null); 1755 catPw.println(); 1756 dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null); 1757 catPw.flush(); 1758 } 1759 dropBuilder.append(catSw.toString()); 1760 addErrorToDropBox("lowmem", null, "system_server", null, 1761 null, tag.toString(), dropBuilder.toString(), null, null); 1762 //Slog.i(TAG, "Sent to dropbox:"); 1763 //Slog.i(TAG, dropBuilder.toString()); 1764 synchronized (ActivityManagerService.this) { 1765 long now = SystemClock.uptimeMillis(); 1766 if (mLastMemUsageReportTime < now) { 1767 mLastMemUsageReportTime = now; 1768 } 1769 } 1770 } 1771 }; 1772 thread.start(); 1773 break; 1774 } 1775 case START_USER_SWITCH_MSG: { 1776 showUserSwitchDialog(msg.arg1, (String) msg.obj); 1777 break; 1778 } 1779 case REPORT_USER_SWITCH_MSG: { 1780 dispatchUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1781 break; 1782 } 1783 case CONTINUE_USER_SWITCH_MSG: { 1784 continueUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1785 break; 1786 } 1787 case USER_SWITCH_TIMEOUT_MSG: { 1788 timeoutUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1789 break; 1790 } 1791 case IMMERSIVE_MODE_LOCK_MSG: { 1792 final boolean nextState = (msg.arg1 != 0); 1793 if (mUpdateLock.isHeld() != nextState) { 1794 if (DEBUG_IMMERSIVE) { 1795 final ActivityRecord r = (ActivityRecord) msg.obj; 1796 Slog.d(TAG, "Applying new update lock state '" + nextState + "' for " + r); 1797 } 1798 if (nextState) { 1799 mUpdateLock.acquire(); 1800 } else { 1801 mUpdateLock.release(); 1802 } 1803 } 1804 break; 1805 } 1806 case PERSIST_URI_GRANTS_MSG: { 1807 writeGrantedUriPermissions(); 1808 break; 1809 } 1810 case REQUEST_ALL_PSS_MSG: { 1811 requestPssAllProcsLocked(SystemClock.uptimeMillis(), true, false); 1812 break; 1813 } 1814 case START_PROFILES_MSG: { 1815 synchronized (ActivityManagerService.this) { 1816 startProfilesLocked(); 1817 } 1818 break; 1819 } 1820 case UPDATE_TIME: { 1821 synchronized (ActivityManagerService.this) { 1822 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1823 ProcessRecord r = mLruProcesses.get(i); 1824 if (r.thread != null) { 1825 try { 1826 r.thread.updateTimePrefs(msg.arg1 == 0 ? false : true); 1827 } catch (RemoteException ex) { 1828 Slog.w(TAG, "Failed to update preferences for: " + r.info.processName); 1829 } 1830 } 1831 } 1832 } 1833 break; 1834 } 1835 case SYSTEM_USER_START_MSG: { 1836 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START, 1837 Integer.toString(msg.arg1), msg.arg1); 1838 mSystemServiceManager.startUser(msg.arg1); 1839 break; 1840 } 1841 case SYSTEM_USER_CURRENT_MSG: { 1842 mBatteryStatsService.noteEvent( 1843 BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_FINISH, 1844 Integer.toString(msg.arg2), msg.arg2); 1845 mBatteryStatsService.noteEvent( 1846 BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START, 1847 Integer.toString(msg.arg1), msg.arg1); 1848 mSystemServiceManager.switchUser(msg.arg1); 1849 mLockToAppRequest.clearPrompt(); 1850 break; 1851 } 1852 case ENTER_ANIMATION_COMPLETE_MSG: { 1853 synchronized (ActivityManagerService.this) { 1854 ActivityRecord r = ActivityRecord.forToken((IBinder) msg.obj); 1855 if (r != null && r.app != null && r.app.thread != null) { 1856 try { 1857 r.app.thread.scheduleEnterAnimationComplete(r.appToken); 1858 } catch (RemoteException e) { 1859 } 1860 } 1861 } 1862 break; 1863 } 1864 case ENABLE_SCREEN_AFTER_BOOT_MSG: { 1865 enableScreenAfterBoot(); 1866 break; 1867 } 1868 } 1869 } 1870 }; 1871 1872 static final int COLLECT_PSS_BG_MSG = 1; 1873 1874 final Handler mBgHandler = new Handler(BackgroundThread.getHandler().getLooper()) { 1875 @Override 1876 public void handleMessage(Message msg) { 1877 switch (msg.what) { 1878 case COLLECT_PSS_BG_MSG: { 1879 long start = SystemClock.uptimeMillis(); 1880 MemInfoReader memInfo = null; 1881 synchronized (ActivityManagerService.this) { 1882 if (mFullPssPending) { 1883 mFullPssPending = false; 1884 memInfo = new MemInfoReader(); 1885 } 1886 } 1887 if (memInfo != null) { 1888 updateCpuStatsNow(); 1889 long nativeTotalPss = 0; 1890 synchronized (mProcessCpuThread) { 1891 final int N = mProcessCpuTracker.countStats(); 1892 for (int j=0; j<N; j++) { 1893 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(j); 1894 if (st.vsize <= 0 || st.uid >= Process.FIRST_APPLICATION_UID) { 1895 // This is definitely an application process; skip it. 1896 continue; 1897 } 1898 synchronized (mPidsSelfLocked) { 1899 if (mPidsSelfLocked.indexOfKey(st.pid) >= 0) { 1900 // This is one of our own processes; skip it. 1901 continue; 1902 } 1903 } 1904 nativeTotalPss += Debug.getPss(st.pid, null); 1905 } 1906 } 1907 memInfo.readMemInfo(); 1908 synchronized (this) { 1909 if (DEBUG_PSS) Slog.d(TAG, "Collected native and kernel memory in " 1910 + (SystemClock.uptimeMillis()-start) + "ms"); 1911 mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(), 1912 memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(), 1913 memInfo.getBuffersSizeKb()+memInfo.getShmemSizeKb() 1914 +memInfo.getSlabSizeKb(), 1915 nativeTotalPss); 1916 } 1917 } 1918 1919 int i=0, num=0; 1920 long[] tmp = new long[1]; 1921 do { 1922 ProcessRecord proc; 1923 int procState; 1924 int pid; 1925 synchronized (ActivityManagerService.this) { 1926 if (i >= mPendingPssProcesses.size()) { 1927 if (DEBUG_PSS) Slog.d(TAG, "Collected PSS of " + num + " of " + i 1928 + " processes in " + (SystemClock.uptimeMillis()-start) + "ms"); 1929 mPendingPssProcesses.clear(); 1930 return; 1931 } 1932 proc = mPendingPssProcesses.get(i); 1933 procState = proc.pssProcState; 1934 if (proc.thread != null && procState == proc.setProcState) { 1935 pid = proc.pid; 1936 } else { 1937 proc = null; 1938 pid = 0; 1939 } 1940 i++; 1941 } 1942 if (proc != null) { 1943 long pss = Debug.getPss(pid, tmp); 1944 synchronized (ActivityManagerService.this) { 1945 if (proc.thread != null && proc.setProcState == procState 1946 && proc.pid == pid) { 1947 num++; 1948 proc.lastPssTime = SystemClock.uptimeMillis(); 1949 proc.baseProcessTracker.addPss(pss, tmp[0], true, proc.pkgList); 1950 if (DEBUG_PSS) Slog.d(TAG, "PSS of " + proc.toShortString() 1951 + ": " + pss + " lastPss=" + proc.lastPss 1952 + " state=" + ProcessList.makeProcStateString(procState)); 1953 if (proc.initialIdlePss == 0) { 1954 proc.initialIdlePss = pss; 1955 } 1956 proc.lastPss = pss; 1957 if (procState >= ActivityManager.PROCESS_STATE_HOME) { 1958 proc.lastCachedPss = pss; 1959 } 1960 } 1961 } 1962 } 1963 } while (true); 1964 } 1965 } 1966 } 1967 }; 1968 1969 /** 1970 * Monitor for package changes and update our internal state. 1971 */ 1972 private final PackageMonitor mPackageMonitor = new PackageMonitor() { 1973 @Override 1974 public void onPackageRemoved(String packageName, int uid) { 1975 // Remove all tasks with activities in the specified package from the list of recent tasks 1976 synchronized (ActivityManagerService.this) { 1977 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 1978 TaskRecord tr = mRecentTasks.get(i); 1979 ComponentName cn = tr.intent.getComponent(); 1980 if (cn != null && cn.getPackageName().equals(packageName)) { 1981 // If the package name matches, remove the task and kill the process 1982 removeTaskByIdLocked(tr.taskId, ActivityManager.REMOVE_TASK_KILL_PROCESS); 1983 } 1984 } 1985 } 1986 } 1987 1988 @Override 1989 public boolean onPackageChanged(String packageName, int uid, String[] components) { 1990 onPackageModified(packageName); 1991 return true; 1992 } 1993 1994 @Override 1995 public void onPackageModified(String packageName) { 1996 final PackageManager pm = mContext.getPackageManager(); 1997 final ArrayList<Pair<Intent, Integer>> recentTaskIntents = 1998 new ArrayList<Pair<Intent, Integer>>(); 1999 final ArrayList<Integer> tasksToRemove = new ArrayList<Integer>(); 2000 // Copy the list of recent tasks so that we don't hold onto the lock on 2001 // ActivityManagerService for long periods while checking if components exist. 2002 synchronized (ActivityManagerService.this) { 2003 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 2004 TaskRecord tr = mRecentTasks.get(i); 2005 recentTaskIntents.add(new Pair<Intent, Integer>(tr.intent, tr.taskId)); 2006 } 2007 } 2008 // Check the recent tasks and filter out all tasks with components that no longer exist. 2009 Intent tmpI = new Intent(); 2010 for (int i = recentTaskIntents.size() - 1; i >= 0; i--) { 2011 Pair<Intent, Integer> p = recentTaskIntents.get(i); 2012 ComponentName cn = p.first.getComponent(); 2013 if (cn != null && cn.getPackageName().equals(packageName)) { 2014 try { 2015 // Add the task to the list to remove if the component no longer exists 2016 tmpI.setComponent(cn); 2017 if (pm.queryIntentActivities(tmpI, PackageManager.MATCH_DEFAULT_ONLY).isEmpty()) { 2018 tasksToRemove.add(p.second); 2019 } 2020 } catch (Exception e) {} 2021 } 2022 } 2023 // Prune all the tasks with removed components from the list of recent tasks 2024 synchronized (ActivityManagerService.this) { 2025 for (int i = tasksToRemove.size() - 1; i >= 0; i--) { 2026 // Remove the task but don't kill the process (since other components in that 2027 // package may still be running and in the background) 2028 removeTaskByIdLocked(tasksToRemove.get(i), 0); 2029 } 2030 } 2031 } 2032 2033 @Override 2034 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 2035 // Force stop the specified packages 2036 if (packages != null) { 2037 for (String pkg : packages) { 2038 synchronized (ActivityManagerService.this) { 2039 if (forceStopPackageLocked(pkg, -1, false, false, false, false, false, 0, 2040 "finished booting")) { 2041 return true; 2042 } 2043 } 2044 } 2045 } 2046 return false; 2047 } 2048 }; 2049 2050 public void setSystemProcess() { 2051 try { 2052 ServiceManager.addService(Context.ACTIVITY_SERVICE, this, true); 2053 ServiceManager.addService(ProcessStats.SERVICE_NAME, mProcessStats); 2054 ServiceManager.addService("meminfo", new MemBinder(this)); 2055 ServiceManager.addService("gfxinfo", new GraphicsBinder(this)); 2056 ServiceManager.addService("dbinfo", new DbBinder(this)); 2057 if (MONITOR_CPU_USAGE) { 2058 ServiceManager.addService("cpuinfo", new CpuBinder(this)); 2059 } 2060 ServiceManager.addService("permission", new PermissionController(this)); 2061 2062 ApplicationInfo info = mContext.getPackageManager().getApplicationInfo( 2063 "android", STOCK_PM_FLAGS); 2064 mSystemThread.installSystemApplicationInfo(info, getClass().getClassLoader()); 2065 2066 synchronized (this) { 2067 ProcessRecord app = newProcessRecordLocked(info, info.processName, false, 0); 2068 app.persistent = true; 2069 app.pid = MY_PID; 2070 app.maxAdj = ProcessList.SYSTEM_ADJ; 2071 app.makeActive(mSystemThread.getApplicationThread(), mProcessStats); 2072 mProcessNames.put(app.processName, app.uid, app); 2073 synchronized (mPidsSelfLocked) { 2074 mPidsSelfLocked.put(app.pid, app); 2075 } 2076 updateLruProcessLocked(app, false, null); 2077 updateOomAdjLocked(); 2078 } 2079 } catch (PackageManager.NameNotFoundException e) { 2080 throw new RuntimeException( 2081 "Unable to find android system package", e); 2082 } 2083 } 2084 2085 public void setWindowManager(WindowManagerService wm) { 2086 mWindowManager = wm; 2087 mStackSupervisor.setWindowManager(wm); 2088 } 2089 2090 public void setUsageStatsManager(UsageStatsManagerInternal usageStatsManager) { 2091 mUsageStatsService = usageStatsManager; 2092 } 2093 2094 public void startObservingNativeCrashes() { 2095 final NativeCrashListener ncl = new NativeCrashListener(this); 2096 ncl.start(); 2097 } 2098 2099 public IAppOpsService getAppOpsService() { 2100 return mAppOpsService; 2101 } 2102 2103 static class MemBinder extends Binder { 2104 ActivityManagerService mActivityManagerService; 2105 MemBinder(ActivityManagerService activityManagerService) { 2106 mActivityManagerService = activityManagerService; 2107 } 2108 2109 @Override 2110 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2111 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2112 != PackageManager.PERMISSION_GRANTED) { 2113 pw.println("Permission Denial: can't dump meminfo from from pid=" 2114 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2115 + " without permission " + android.Manifest.permission.DUMP); 2116 return; 2117 } 2118 2119 mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args, false, null); 2120 } 2121 } 2122 2123 static class GraphicsBinder extends Binder { 2124 ActivityManagerService mActivityManagerService; 2125 GraphicsBinder(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 gfxinfo from from pid=" 2134 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2135 + " without permission " + android.Manifest.permission.DUMP); 2136 return; 2137 } 2138 2139 mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args); 2140 } 2141 } 2142 2143 static class DbBinder extends Binder { 2144 ActivityManagerService mActivityManagerService; 2145 DbBinder(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 dbinfo from from pid=" 2154 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2155 + " without permission " + android.Manifest.permission.DUMP); 2156 return; 2157 } 2158 2159 mActivityManagerService.dumpDbInfo(fd, pw, args); 2160 } 2161 } 2162 2163 static class CpuBinder extends Binder { 2164 ActivityManagerService mActivityManagerService; 2165 CpuBinder(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 cpuinfo from from pid=" 2174 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2175 + " without permission " + android.Manifest.permission.DUMP); 2176 return; 2177 } 2178 2179 synchronized (mActivityManagerService.mProcessCpuThread) { 2180 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentLoad()); 2181 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentState( 2182 SystemClock.uptimeMillis())); 2183 } 2184 } 2185 } 2186 2187 public static final class Lifecycle extends SystemService { 2188 private final ActivityManagerService mService; 2189 2190 public Lifecycle(Context context) { 2191 super(context); 2192 mService = new ActivityManagerService(context); 2193 } 2194 2195 @Override 2196 public void onStart() { 2197 mService.start(); 2198 } 2199 2200 public ActivityManagerService getService() { 2201 return mService; 2202 } 2203 } 2204 2205 // Note: This method is invoked on the main thread but may need to attach various 2206 // handlers to other threads. So take care to be explicit about the looper. 2207 public ActivityManagerService(Context systemContext) { 2208 mContext = systemContext; 2209 mFactoryTest = FactoryTest.getMode(); 2210 mSystemThread = ActivityThread.currentActivityThread(); 2211 2212 Slog.i(TAG, "Memory class: " + ActivityManager.staticGetMemoryClass()); 2213 2214 mHandlerThread = new ServiceThread(TAG, 2215 android.os.Process.THREAD_PRIORITY_FOREGROUND, false /*allowIo*/); 2216 mHandlerThread.start(); 2217 mHandler = new MainHandler(mHandlerThread.getLooper()); 2218 2219 mFgBroadcastQueue = new BroadcastQueue(this, mHandler, 2220 "foreground", BROADCAST_FG_TIMEOUT, false); 2221 mBgBroadcastQueue = new BroadcastQueue(this, mHandler, 2222 "background", BROADCAST_BG_TIMEOUT, true); 2223 mBroadcastQueues[0] = mFgBroadcastQueue; 2224 mBroadcastQueues[1] = mBgBroadcastQueue; 2225 2226 mServices = new ActiveServices(this); 2227 mProviderMap = new ProviderMap(this); 2228 2229 // TODO: Move creation of battery stats service outside of activity manager service. 2230 File dataDir = Environment.getDataDirectory(); 2231 File systemDir = new File(dataDir, "system"); 2232 systemDir.mkdirs(); 2233 mBatteryStatsService = new BatteryStatsService(systemDir, mHandler); 2234 mBatteryStatsService.getActiveStatistics().readLocked(); 2235 mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); 2236 mOnBattery = DEBUG_POWER ? true 2237 : mBatteryStatsService.getActiveStatistics().getIsOnBattery(); 2238 mBatteryStatsService.getActiveStatistics().setCallback(this); 2239 2240 mProcessStats = new ProcessStatsService(this, new File(systemDir, "procstats")); 2241 2242 mAppOpsService = new AppOpsService(new File(systemDir, "appops.xml"), mHandler); 2243 2244 mGrantFile = new AtomicFile(new File(systemDir, "urigrants.xml")); 2245 2246 // User 0 is the first and only user that runs at boot. 2247 mStartedUsers.put(0, new UserStartedState(new UserHandle(0), true)); 2248 mUserLru.add(Integer.valueOf(0)); 2249 updateStartedUserArrayLocked(); 2250 2251 GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version", 2252 ConfigurationInfo.GL_ES_VERSION_UNDEFINED); 2253 2254 mConfiguration.setToDefaults(); 2255 mConfiguration.setLocale(Locale.getDefault()); 2256 2257 mConfigurationSeq = mConfiguration.seq = 1; 2258 mProcessCpuTracker.init(); 2259 2260 final Resources res = mContext.getResources(); 2261 mHasRecents = res.getBoolean(com.android.internal.R.bool.config_hasRecents); 2262 mThumbnailWidth = res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width); 2263 mThumbnailHeight = res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height); 2264 2265 mCompatModePackages = new CompatModePackages(this, systemDir, mHandler); 2266 mIntentFirewall = new IntentFirewall(new IntentFirewallInterface(), mHandler); 2267 mStackSupervisor = new ActivityStackSupervisor(this); 2268 mTaskPersister = new TaskPersister(systemDir, mStackSupervisor); 2269 2270 mProcessCpuThread = new Thread("CpuTracker") { 2271 @Override 2272 public void run() { 2273 while (true) { 2274 try { 2275 try { 2276 synchronized(this) { 2277 final long now = SystemClock.uptimeMillis(); 2278 long nextCpuDelay = (mLastCpuTime.get()+MONITOR_CPU_MAX_TIME)-now; 2279 long nextWriteDelay = (mLastWriteTime+BATTERY_STATS_TIME)-now; 2280 //Slog.i(TAG, "Cpu delay=" + nextCpuDelay 2281 // + ", write delay=" + nextWriteDelay); 2282 if (nextWriteDelay < nextCpuDelay) { 2283 nextCpuDelay = nextWriteDelay; 2284 } 2285 if (nextCpuDelay > 0) { 2286 mProcessCpuMutexFree.set(true); 2287 this.wait(nextCpuDelay); 2288 } 2289 } 2290 } catch (InterruptedException e) { 2291 } 2292 updateCpuStatsNow(); 2293 } catch (Exception e) { 2294 Slog.e(TAG, "Unexpected exception collecting process stats", e); 2295 } 2296 } 2297 } 2298 }; 2299 2300 mLockToAppRequest = new LockToAppRequestDialog(mContext, this); 2301 2302 Watchdog.getInstance().addMonitor(this); 2303 Watchdog.getInstance().addThread(mHandler); 2304 } 2305 2306 public void setSystemServiceManager(SystemServiceManager mgr) { 2307 mSystemServiceManager = mgr; 2308 } 2309 2310 private void start() { 2311 Process.removeAllProcessGroups(); 2312 mProcessCpuThread.start(); 2313 2314 mBatteryStatsService.publish(mContext); 2315 mAppOpsService.publish(mContext); 2316 Slog.d("AppOps", "AppOpsService published"); 2317 LocalServices.addService(ActivityManagerInternal.class, new LocalService()); 2318 } 2319 2320 public void initPowerManagement() { 2321 mStackSupervisor.initPowerManagement(); 2322 mBatteryStatsService.initPowerManagement(); 2323 } 2324 2325 @Override 2326 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2327 throws RemoteException { 2328 if (code == SYSPROPS_TRANSACTION) { 2329 // We need to tell all apps about the system property change. 2330 ArrayList<IBinder> procs = new ArrayList<IBinder>(); 2331 synchronized(this) { 2332 final int NP = mProcessNames.getMap().size(); 2333 for (int ip=0; ip<NP; ip++) { 2334 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 2335 final int NA = apps.size(); 2336 for (int ia=0; ia<NA; ia++) { 2337 ProcessRecord app = apps.valueAt(ia); 2338 if (app.thread != null) { 2339 procs.add(app.thread.asBinder()); 2340 } 2341 } 2342 } 2343 } 2344 2345 int N = procs.size(); 2346 for (int i=0; i<N; i++) { 2347 Parcel data2 = Parcel.obtain(); 2348 try { 2349 procs.get(i).transact(IBinder.SYSPROPS_TRANSACTION, data2, null, 0); 2350 } catch (RemoteException e) { 2351 } 2352 data2.recycle(); 2353 } 2354 } 2355 try { 2356 return super.onTransact(code, data, reply, flags); 2357 } catch (RuntimeException e) { 2358 // The activity manager only throws security exceptions, so let's 2359 // log all others. 2360 if (!(e instanceof SecurityException)) { 2361 Slog.wtf(TAG, "Activity Manager Crash", e); 2362 } 2363 throw e; 2364 } 2365 } 2366 2367 void updateCpuStats() { 2368 final long now = SystemClock.uptimeMillis(); 2369 if (mLastCpuTime.get() >= now - MONITOR_CPU_MIN_TIME) { 2370 return; 2371 } 2372 if (mProcessCpuMutexFree.compareAndSet(true, false)) { 2373 synchronized (mProcessCpuThread) { 2374 mProcessCpuThread.notify(); 2375 } 2376 } 2377 } 2378 2379 void updateCpuStatsNow() { 2380 synchronized (mProcessCpuThread) { 2381 mProcessCpuMutexFree.set(false); 2382 final long now = SystemClock.uptimeMillis(); 2383 boolean haveNewCpuStats = false; 2384 2385 if (MONITOR_CPU_USAGE && 2386 mLastCpuTime.get() < (now-MONITOR_CPU_MIN_TIME)) { 2387 mLastCpuTime.set(now); 2388 haveNewCpuStats = true; 2389 mProcessCpuTracker.update(); 2390 //Slog.i(TAG, mProcessCpu.printCurrentState()); 2391 //Slog.i(TAG, "Total CPU usage: " 2392 // + mProcessCpu.getTotalCpuPercent() + "%"); 2393 2394 // Slog the cpu usage if the property is set. 2395 if ("true".equals(SystemProperties.get("events.cpu"))) { 2396 int user = mProcessCpuTracker.getLastUserTime(); 2397 int system = mProcessCpuTracker.getLastSystemTime(); 2398 int iowait = mProcessCpuTracker.getLastIoWaitTime(); 2399 int irq = mProcessCpuTracker.getLastIrqTime(); 2400 int softIrq = mProcessCpuTracker.getLastSoftIrqTime(); 2401 int idle = mProcessCpuTracker.getLastIdleTime(); 2402 2403 int total = user + system + iowait + irq + softIrq + idle; 2404 if (total == 0) total = 1; 2405 2406 EventLog.writeEvent(EventLogTags.CPU, 2407 ((user+system+iowait+irq+softIrq) * 100) / total, 2408 (user * 100) / total, 2409 (system * 100) / total, 2410 (iowait * 100) / total, 2411 (irq * 100) / total, 2412 (softIrq * 100) / total); 2413 } 2414 } 2415 2416 long[] cpuSpeedTimes = mProcessCpuTracker.getLastCpuSpeedTimes(); 2417 final BatteryStatsImpl bstats = mBatteryStatsService.getActiveStatistics(); 2418 synchronized(bstats) { 2419 synchronized(mPidsSelfLocked) { 2420 if (haveNewCpuStats) { 2421 if (mOnBattery) { 2422 int perc = bstats.startAddingCpuLocked(); 2423 int totalUTime = 0; 2424 int totalSTime = 0; 2425 final int N = mProcessCpuTracker.countStats(); 2426 for (int i=0; i<N; i++) { 2427 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 2428 if (!st.working) { 2429 continue; 2430 } 2431 ProcessRecord pr = mPidsSelfLocked.get(st.pid); 2432 int otherUTime = (st.rel_utime*perc)/100; 2433 int otherSTime = (st.rel_stime*perc)/100; 2434 totalUTime += otherUTime; 2435 totalSTime += otherSTime; 2436 if (pr != null) { 2437 BatteryStatsImpl.Uid.Proc ps = pr.curProcBatteryStats; 2438 if (ps == null || !ps.isActive()) { 2439 pr.curProcBatteryStats = ps = bstats.getProcessStatsLocked( 2440 pr.info.uid, pr.processName); 2441 } 2442 ps.addCpuTimeLocked(st.rel_utime-otherUTime, 2443 st.rel_stime-otherSTime); 2444 ps.addSpeedStepTimes(cpuSpeedTimes); 2445 pr.curCpuTime += (st.rel_utime+st.rel_stime) * 10; 2446 } else { 2447 BatteryStatsImpl.Uid.Proc ps = st.batteryStats; 2448 if (ps == null || !ps.isActive()) { 2449 st.batteryStats = ps = bstats.getProcessStatsLocked( 2450 bstats.mapUid(st.uid), st.name); 2451 } 2452 ps.addCpuTimeLocked(st.rel_utime-otherUTime, 2453 st.rel_stime-otherSTime); 2454 ps.addSpeedStepTimes(cpuSpeedTimes); 2455 } 2456 } 2457 bstats.finishAddingCpuLocked(perc, totalUTime, 2458 totalSTime, cpuSpeedTimes); 2459 } 2460 } 2461 } 2462 2463 if (mLastWriteTime < (now-BATTERY_STATS_TIME)) { 2464 mLastWriteTime = now; 2465 mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); 2466 } 2467 } 2468 } 2469 } 2470 2471 @Override 2472 public void batteryNeedsCpuUpdate() { 2473 updateCpuStatsNow(); 2474 } 2475 2476 @Override 2477 public void batteryPowerChanged(boolean onBattery) { 2478 // When plugging in, update the CPU stats first before changing 2479 // the plug state. 2480 updateCpuStatsNow(); 2481 synchronized (this) { 2482 synchronized(mPidsSelfLocked) { 2483 mOnBattery = DEBUG_POWER ? true : onBattery; 2484 } 2485 } 2486 } 2487 2488 /** 2489 * Initialize the application bind args. These are passed to each 2490 * process when the bindApplication() IPC is sent to the process. They're 2491 * lazily setup to make sure the services are running when they're asked for. 2492 */ 2493 private HashMap<String, IBinder> getCommonServicesLocked() { 2494 if (mAppBindArgs == null) { 2495 mAppBindArgs = new HashMap<String, IBinder>(); 2496 2497 // Setup the application init args 2498 mAppBindArgs.put("package", ServiceManager.getService("package")); 2499 mAppBindArgs.put("window", ServiceManager.getService("window")); 2500 mAppBindArgs.put(Context.ALARM_SERVICE, 2501 ServiceManager.getService(Context.ALARM_SERVICE)); 2502 } 2503 return mAppBindArgs; 2504 } 2505 2506 final void setFocusedActivityLocked(ActivityRecord r) { 2507 if (mFocusedActivity != r) { 2508 if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedActivityLocked: r=" + r); 2509 mFocusedActivity = r; 2510 if (r.task != null && r.task.voiceInteractor != null) { 2511 startRunningVoiceLocked(); 2512 } else { 2513 finishRunningVoiceLocked(); 2514 } 2515 mStackSupervisor.setFocusedStack(r); 2516 if (r != null) { 2517 mWindowManager.setFocusedApp(r.appToken, true); 2518 } 2519 applyUpdateLockStateLocked(r); 2520 } 2521 } 2522 2523 final void clearFocusedActivity(ActivityRecord r) { 2524 if (mFocusedActivity == r) { 2525 mFocusedActivity = null; 2526 } 2527 } 2528 2529 @Override 2530 public void setFocusedStack(int stackId) { 2531 if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedStack: stackId=" + stackId); 2532 synchronized (ActivityManagerService.this) { 2533 ActivityStack stack = mStackSupervisor.getStack(stackId); 2534 if (stack != null) { 2535 ActivityRecord r = stack.topRunningActivityLocked(null); 2536 if (r != null) { 2537 setFocusedActivityLocked(r); 2538 } 2539 } 2540 } 2541 } 2542 2543 @Override 2544 public void notifyActivityDrawn(IBinder token) { 2545 if (DEBUG_VISBILITY) Slog.d(TAG, "notifyActivityDrawn: token=" + token); 2546 synchronized (this) { 2547 ActivityRecord r= mStackSupervisor.isInAnyStackLocked(token); 2548 if (r != null) { 2549 r.task.stack.notifyActivityDrawnLocked(r); 2550 } 2551 } 2552 } 2553 2554 final void applyUpdateLockStateLocked(ActivityRecord r) { 2555 // Modifications to the UpdateLock state are done on our handler, outside 2556 // the activity manager's locks. The new state is determined based on the 2557 // state *now* of the relevant activity record. The object is passed to 2558 // the handler solely for logging detail, not to be consulted/modified. 2559 final boolean nextState = r != null && r.immersive; 2560 mHandler.sendMessage( 2561 mHandler.obtainMessage(IMMERSIVE_MODE_LOCK_MSG, (nextState) ? 1 : 0, 0, r)); 2562 } 2563 2564 final void showAskCompatModeDialogLocked(ActivityRecord r) { 2565 Message msg = Message.obtain(); 2566 msg.what = SHOW_COMPAT_MODE_DIALOG_MSG; 2567 msg.obj = r.task.askedCompatMode ? null : r; 2568 mHandler.sendMessage(msg); 2569 } 2570 2571 private final int updateLruProcessInternalLocked(ProcessRecord app, long now, int index, 2572 String what, Object obj, ProcessRecord srcApp) { 2573 app.lastActivityTime = now; 2574 2575 if (app.activities.size() > 0) { 2576 // Don't want to touch dependent processes that are hosting activities. 2577 return index; 2578 } 2579 2580 int lrui = mLruProcesses.lastIndexOf(app); 2581 if (lrui < 0) { 2582 Slog.wtf(TAG, "Adding dependent process " + app + " not on LRU list: " 2583 + what + " " + obj + " from " + srcApp); 2584 return index; 2585 } 2586 2587 if (lrui >= index) { 2588 // Don't want to cause this to move dependent processes *back* in the 2589 // list as if they were less frequently used. 2590 return index; 2591 } 2592 2593 if (lrui >= mLruProcessActivityStart) { 2594 // Don't want to touch dependent processes that are hosting activities. 2595 return index; 2596 } 2597 2598 mLruProcesses.remove(lrui); 2599 if (index > 0) { 2600 index--; 2601 } 2602 if (DEBUG_LRU) Slog.d(TAG, "Moving dep from " + lrui + " to " + index 2603 + " in LRU list: " + app); 2604 mLruProcesses.add(index, app); 2605 return index; 2606 } 2607 2608 final void removeLruProcessLocked(ProcessRecord app) { 2609 int lrui = mLruProcesses.lastIndexOf(app); 2610 if (lrui >= 0) { 2611 if (lrui <= mLruProcessActivityStart) { 2612 mLruProcessActivityStart--; 2613 } 2614 if (lrui <= mLruProcessServiceStart) { 2615 mLruProcessServiceStart--; 2616 } 2617 mLruProcesses.remove(lrui); 2618 } 2619 } 2620 2621 final void updateLruProcessLocked(ProcessRecord app, boolean activityChange, 2622 ProcessRecord client) { 2623 final boolean hasActivity = app.activities.size() > 0 || app.hasClientActivities 2624 || app.treatLikeActivity; 2625 final boolean hasService = false; // not impl yet. app.services.size() > 0; 2626 if (!activityChange && hasActivity) { 2627 // The process has activities, so we are only allowing activity-based adjustments 2628 // to move it. It should be kept in the front of the list with other 2629 // processes that have activities, and we don't want those to change their 2630 // order except due to activity operations. 2631 return; 2632 } 2633 2634 mLruSeq++; 2635 final long now = SystemClock.uptimeMillis(); 2636 app.lastActivityTime = now; 2637 2638 // First a quick reject: if the app is already at the position we will 2639 // put it, then there is nothing to do. 2640 if (hasActivity) { 2641 final int N = mLruProcesses.size(); 2642 if (N > 0 && mLruProcesses.get(N-1) == app) { 2643 if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top activity: " + app); 2644 return; 2645 } 2646 } else { 2647 if (mLruProcessServiceStart > 0 2648 && mLruProcesses.get(mLruProcessServiceStart-1) == app) { 2649 if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top other: " + app); 2650 return; 2651 } 2652 } 2653 2654 int lrui = mLruProcesses.lastIndexOf(app); 2655 2656 if (app.persistent && lrui >= 0) { 2657 // We don't care about the position of persistent processes, as long as 2658 // they are in the list. 2659 if (DEBUG_LRU) Slog.d(TAG, "Not moving, persistent: " + app); 2660 return; 2661 } 2662 2663 /* In progress: compute new position first, so we can avoid doing work 2664 if the process is not actually going to move. Not yet working. 2665 int addIndex; 2666 int nextIndex; 2667 boolean inActivity = false, inService = false; 2668 if (hasActivity) { 2669 // Process has activities, put it at the very tipsy-top. 2670 addIndex = mLruProcesses.size(); 2671 nextIndex = mLruProcessServiceStart; 2672 inActivity = true; 2673 } else if (hasService) { 2674 // Process has services, put it at the top of the service list. 2675 addIndex = mLruProcessActivityStart; 2676 nextIndex = mLruProcessServiceStart; 2677 inActivity = true; 2678 inService = true; 2679 } else { 2680 // Process not otherwise of interest, it goes to the top of the non-service area. 2681 addIndex = mLruProcessServiceStart; 2682 if (client != null) { 2683 int clientIndex = mLruProcesses.lastIndexOf(client); 2684 if (clientIndex < 0) Slog.d(TAG, "Unknown client " + client + " when updating " 2685 + app); 2686 if (clientIndex >= 0 && addIndex > clientIndex) { 2687 addIndex = clientIndex; 2688 } 2689 } 2690 nextIndex = addIndex > 0 ? addIndex-1 : addIndex; 2691 } 2692 2693 Slog.d(TAG, "Update LRU at " + lrui + " to " + addIndex + " (act=" 2694 + mLruProcessActivityStart + "): " + app); 2695 */ 2696 2697 if (lrui >= 0) { 2698 if (lrui < mLruProcessActivityStart) { 2699 mLruProcessActivityStart--; 2700 } 2701 if (lrui < mLruProcessServiceStart) { 2702 mLruProcessServiceStart--; 2703 } 2704 /* 2705 if (addIndex > lrui) { 2706 addIndex--; 2707 } 2708 if (nextIndex > lrui) { 2709 nextIndex--; 2710 } 2711 */ 2712 mLruProcesses.remove(lrui); 2713 } 2714 2715 /* 2716 mLruProcesses.add(addIndex, app); 2717 if (inActivity) { 2718 mLruProcessActivityStart++; 2719 } 2720 if (inService) { 2721 mLruProcessActivityStart++; 2722 } 2723 */ 2724 2725 int nextIndex; 2726 if (hasActivity) { 2727 final int N = mLruProcesses.size(); 2728 if (app.activities.size() == 0 && mLruProcessActivityStart < (N-1)) { 2729 // Process doesn't have activities, but has clients with 2730 // activities... move it up, but one below the top (the top 2731 // should always have a real activity). 2732 if (DEBUG_LRU) Slog.d(TAG, "Adding to second-top of LRU activity list: " + app); 2733 mLruProcesses.add(N-1, app); 2734 // To keep it from spamming the LRU list (by making a bunch of clients), 2735 // we will push down any other entries owned by the app. 2736 final int uid = app.info.uid; 2737 for (int i=N-2; i>mLruProcessActivityStart; i--) { 2738 ProcessRecord subProc = mLruProcesses.get(i); 2739 if (subProc.info.uid == uid) { 2740 // We want to push this one down the list. If the process after 2741 // it is for the same uid, however, don't do so, because we don't 2742 // want them internally to be re-ordered. 2743 if (mLruProcesses.get(i-1).info.uid != uid) { 2744 if (DEBUG_LRU) Slog.d(TAG, "Pushing uid " + uid + " swapping at " + i 2745 + ": " + mLruProcesses.get(i) + " : " + mLruProcesses.get(i-1)); 2746 ProcessRecord tmp = mLruProcesses.get(i); 2747 mLruProcesses.set(i, mLruProcesses.get(i-1)); 2748 mLruProcesses.set(i-1, tmp); 2749 i--; 2750 } 2751 } else { 2752 // A gap, we can stop here. 2753 break; 2754 } 2755 } 2756 } else { 2757 // Process has activities, put it at the very tipsy-top. 2758 if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU activity list: " + app); 2759 mLruProcesses.add(app); 2760 } 2761 nextIndex = mLruProcessServiceStart; 2762 } else if (hasService) { 2763 // Process has services, put it at the top of the service list. 2764 if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU service list: " + app); 2765 mLruProcesses.add(mLruProcessActivityStart, app); 2766 nextIndex = mLruProcessServiceStart; 2767 mLruProcessActivityStart++; 2768 } else { 2769 // Process not otherwise of interest, it goes to the top of the non-service area. 2770 int index = mLruProcessServiceStart; 2771 if (client != null) { 2772 // If there is a client, don't allow the process to be moved up higher 2773 // in the list than that client. 2774 int clientIndex = mLruProcesses.lastIndexOf(client); 2775 if (DEBUG_LRU && clientIndex < 0) Slog.d(TAG, "Unknown client " + client 2776 + " when updating " + app); 2777 if (clientIndex <= lrui) { 2778 // Don't allow the client index restriction to push it down farther in the 2779 // list than it already is. 2780 clientIndex = lrui; 2781 } 2782 if (clientIndex >= 0 && index > clientIndex) { 2783 index = clientIndex; 2784 } 2785 } 2786 if (DEBUG_LRU) Slog.d(TAG, "Adding at " + index + " of LRU list: " + app); 2787 mLruProcesses.add(index, app); 2788 nextIndex = index-1; 2789 mLruProcessActivityStart++; 2790 mLruProcessServiceStart++; 2791 } 2792 2793 // If the app is currently using a content provider or service, 2794 // bump those processes as well. 2795 for (int j=app.connections.size()-1; j>=0; j--) { 2796 ConnectionRecord cr = app.connections.valueAt(j); 2797 if (cr.binding != null && !cr.serviceDead && cr.binding.service != null 2798 && cr.binding.service.app != null 2799 && cr.binding.service.app.lruSeq != mLruSeq 2800 && !cr.binding.service.app.persistent) { 2801 nextIndex = updateLruProcessInternalLocked(cr.binding.service.app, now, nextIndex, 2802 "service connection", cr, app); 2803 } 2804 } 2805 for (int j=app.conProviders.size()-1; j>=0; j--) { 2806 ContentProviderRecord cpr = app.conProviders.get(j).provider; 2807 if (cpr.proc != null && cpr.proc.lruSeq != mLruSeq && !cpr.proc.persistent) { 2808 nextIndex = updateLruProcessInternalLocked(cpr.proc, now, nextIndex, 2809 "provider reference", cpr, app); 2810 } 2811 } 2812 } 2813 2814 final ProcessRecord getProcessRecordLocked(String processName, int uid, boolean keepIfLarge) { 2815 if (uid == Process.SYSTEM_UID) { 2816 // The system gets to run in any process. If there are multiple 2817 // processes with the same uid, just pick the first (this 2818 // should never happen). 2819 SparseArray<ProcessRecord> procs = mProcessNames.getMap().get(processName); 2820 if (procs == null) return null; 2821 final int N = procs.size(); 2822 for (int i = 0; i < N; i++) { 2823 if (UserHandle.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i); 2824 } 2825 } 2826 ProcessRecord proc = mProcessNames.get(processName, uid); 2827 if (false && proc != null && !keepIfLarge 2828 && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY 2829 && proc.lastCachedPss >= 4000) { 2830 // Turn this condition on to cause killing to happen regularly, for testing. 2831 if (proc.baseProcessTracker != null) { 2832 proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss); 2833 } 2834 proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true); 2835 } else if (proc != null && !keepIfLarge 2836 && mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL 2837 && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { 2838 if (DEBUG_PSS) Slog.d(TAG, "May not keep " + proc + ": pss=" + proc.lastCachedPss); 2839 if (proc.lastCachedPss >= mProcessList.getCachedRestoreThresholdKb()) { 2840 if (proc.baseProcessTracker != null) { 2841 proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss); 2842 } 2843 proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true); 2844 } 2845 } 2846 return proc; 2847 } 2848 2849 void ensurePackageDexOpt(String packageName) { 2850 IPackageManager pm = AppGlobals.getPackageManager(); 2851 try { 2852 if (pm.performDexOptIfNeeded(packageName, null /* instruction set */)) { 2853 mDidDexOpt = true; 2854 } 2855 } catch (RemoteException e) { 2856 } 2857 } 2858 2859 boolean isNextTransitionForward() { 2860 int transit = mWindowManager.getPendingAppTransition(); 2861 return transit == AppTransition.TRANSIT_ACTIVITY_OPEN 2862 || transit == AppTransition.TRANSIT_TASK_OPEN 2863 || transit == AppTransition.TRANSIT_TASK_TO_FRONT; 2864 } 2865 2866 int startIsolatedProcess(String entryPoint, String[] entryPointArgs, 2867 String processName, String abiOverride, int uid, Runnable crashHandler) { 2868 synchronized(this) { 2869 ApplicationInfo info = new ApplicationInfo(); 2870 // In general the ApplicationInfo.uid isn't neccesarily equal to ProcessRecord.uid. 2871 // For isolated processes, the former contains the parent's uid and the latter the 2872 // actual uid of the isolated process. 2873 // In the special case introduced by this method (which is, starting an isolated 2874 // process directly from the SystemServer without an actual parent app process) the 2875 // closest thing to a parent's uid is SYSTEM_UID. 2876 // The only important thing here is to keep AI.uid != PR.uid, in order to trigger 2877 // the |isolated| logic in the ProcessRecord constructor. 2878 info.uid = Process.SYSTEM_UID; 2879 info.processName = processName; 2880 info.className = entryPoint; 2881 info.packageName = "android"; 2882 ProcessRecord proc = startProcessLocked(processName, info /* info */, 2883 false /* knownToBeDead */, 0 /* intentFlags */, "" /* hostingType */, 2884 null /* hostingName */, true /* allowWhileBooting */, true /* isolated */, 2885 uid, true /* keepIfLarge */, abiOverride, entryPoint, entryPointArgs, 2886 crashHandler); 2887 return proc != null ? proc.pid : 0; 2888 } 2889 } 2890 2891 final ProcessRecord startProcessLocked(String processName, 2892 ApplicationInfo info, boolean knownToBeDead, int intentFlags, 2893 String hostingType, ComponentName hostingName, boolean allowWhileBooting, 2894 boolean isolated, boolean keepIfLarge) { 2895 return startProcessLocked(processName, info, knownToBeDead, intentFlags, hostingType, 2896 hostingName, allowWhileBooting, isolated, 0 /* isolatedUid */, keepIfLarge, 2897 null /* ABI override */, null /* entryPoint */, null /* entryPointArgs */, 2898 null /* crashHandler */); 2899 } 2900 2901 final ProcessRecord startProcessLocked(String processName, ApplicationInfo info, 2902 boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName, 2903 boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge, 2904 String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) { 2905 ProcessRecord app; 2906 if (!isolated) { 2907 app = getProcessRecordLocked(processName, info.uid, keepIfLarge); 2908 } else { 2909 // If this is an isolated process, it can't re-use an existing process. 2910 app = null; 2911 } 2912 // We don't have to do anything more if: 2913 // (1) There is an existing application record; and 2914 // (2) The caller doesn't think it is dead, OR there is no thread 2915 // object attached to it so we know it couldn't have crashed; and 2916 // (3) There is a pid assigned to it, so it is either starting or 2917 // already running. 2918 if (DEBUG_PROCESSES) Slog.v(TAG, "startProcess: name=" + processName 2919 + " app=" + app + " knownToBeDead=" + knownToBeDead 2920 + " thread=" + (app != null ? app.thread : null) 2921 + " pid=" + (app != null ? app.pid : -1)); 2922 if (app != null && app.pid > 0) { 2923 if (!knownToBeDead || app.thread == null) { 2924 // We already have the app running, or are waiting for it to 2925 // come up (we have a pid but not yet its thread), so keep it. 2926 if (DEBUG_PROCESSES) Slog.v(TAG, "App already running: " + app); 2927 // If this is a new package in the process, add the package to the list 2928 app.addPackage(info.packageName, info.versionCode, mProcessStats); 2929 return app; 2930 } 2931 2932 // An application record is attached to a previous process, 2933 // clean it up now. 2934 if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, "App died: " + app); 2935 Process.killProcessGroup(app.info.uid, app.pid); 2936 handleAppDiedLocked(app, true, true); 2937 } 2938 2939 String hostingNameStr = hostingName != null 2940 ? hostingName.flattenToShortString() : null; 2941 2942 if (!isolated) { 2943 if ((intentFlags&Intent.FLAG_FROM_BACKGROUND) != 0) { 2944 // If we are in the background, then check to see if this process 2945 // is bad. If so, we will just silently fail. 2946 if (mBadProcesses.get(info.processName, info.uid) != null) { 2947 if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid 2948 + "/" + info.processName); 2949 return null; 2950 } 2951 } else { 2952 // When the user is explicitly starting a process, then clear its 2953 // crash count so that we won't make it bad until they see at 2954 // least one crash dialog again, and make the process good again 2955 // if it had been bad. 2956 if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid 2957 + "/" + info.processName); 2958 mProcessCrashTimes.remove(info.processName, info.uid); 2959 if (mBadProcesses.get(info.processName, info.uid) != null) { 2960 EventLog.writeEvent(EventLogTags.AM_PROC_GOOD, 2961 UserHandle.getUserId(info.uid), info.uid, 2962 info.processName); 2963 mBadProcesses.remove(info.processName, info.uid); 2964 if (app != null) { 2965 app.bad = false; 2966 } 2967 } 2968 } 2969 } 2970 2971 if (app == null) { 2972 app = newProcessRecordLocked(info, processName, isolated, isolatedUid); 2973 app.crashHandler = crashHandler; 2974 if (app == null) { 2975 Slog.w(TAG, "Failed making new process record for " 2976 + processName + "/" + info.uid + " isolated=" + isolated); 2977 return null; 2978 } 2979 mProcessNames.put(processName, app.uid, app); 2980 if (isolated) { 2981 mIsolatedProcesses.put(app.uid, app); 2982 } 2983 } else { 2984 // If this is a new package in the process, add the package to the list 2985 app.addPackage(info.packageName, info.versionCode, mProcessStats); 2986 } 2987 2988 // If the system is not ready yet, then hold off on starting this 2989 // process until it is. 2990 if (!mProcessesReady 2991 && !isAllowedWhileBooting(info) 2992 && !allowWhileBooting) { 2993 if (!mProcessesOnHold.contains(app)) { 2994 mProcessesOnHold.add(app); 2995 } 2996 if (DEBUG_PROCESSES) Slog.v(TAG, "System not ready, putting on hold: " + app); 2997 return app; 2998 } 2999 3000 startProcessLocked( 3001 app, hostingType, hostingNameStr, abiOverride, entryPoint, entryPointArgs); 3002 return (app.pid != 0) ? app : null; 3003 } 3004 3005 boolean isAllowedWhileBooting(ApplicationInfo ai) { 3006 return (ai.flags&ApplicationInfo.FLAG_PERSISTENT) != 0; 3007 } 3008 3009 private final void startProcessLocked(ProcessRecord app, 3010 String hostingType, String hostingNameStr) { 3011 startProcessLocked(app, hostingType, hostingNameStr, null /* abiOverride */, 3012 null /* entryPoint */, null /* entryPointArgs */); 3013 } 3014 3015 private final void startProcessLocked(ProcessRecord app, String hostingType, 3016 String hostingNameStr, String abiOverride, String entryPoint, String[] entryPointArgs) { 3017 if (app.pid > 0 && app.pid != MY_PID) { 3018 synchronized (mPidsSelfLocked) { 3019 mPidsSelfLocked.remove(app.pid); 3020 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 3021 } 3022 app.setPid(0); 3023 } 3024 3025 if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, 3026 "startProcessLocked removing on hold: " + app); 3027 mProcessesOnHold.remove(app); 3028 3029 updateCpuStats(); 3030 3031 try { 3032 int uid = app.uid; 3033 3034 int[] gids = null; 3035 int mountExternal = Zygote.MOUNT_EXTERNAL_NONE; 3036 if (!app.isolated) { 3037 int[] permGids = null; 3038 try { 3039 final PackageManager pm = mContext.getPackageManager(); 3040 permGids = pm.getPackageGids(app.info.packageName); 3041 3042 if (Environment.isExternalStorageEmulated()) { 3043 if (pm.checkPermission( 3044 android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE, 3045 app.info.packageName) == PERMISSION_GRANTED) { 3046 mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER_ALL; 3047 } else { 3048 mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER; 3049 } 3050 } 3051 } catch (PackageManager.NameNotFoundException e) { 3052 Slog.w(TAG, "Unable to retrieve gids", e); 3053 } 3054 3055 /* 3056 * Add shared application and profile GIDs so applications can share some 3057 * resources like shared libraries and access user-wide resources 3058 */ 3059 if (permGids == null) { 3060 gids = new int[2]; 3061 } else { 3062 gids = new int[permGids.length + 2]; 3063 System.arraycopy(permGids, 0, gids, 2, permGids.length); 3064 } 3065 gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid)); 3066 gids[1] = UserHandle.getUserGid(UserHandle.getUserId(uid)); 3067 } 3068 if (mFactoryTest != FactoryTest.FACTORY_TEST_OFF) { 3069 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL 3070 && mTopComponent != null 3071 && app.processName.equals(mTopComponent.getPackageName())) { 3072 uid = 0; 3073 } 3074 if (mFactoryTest == FactoryTest.FACTORY_TEST_HIGH_LEVEL 3075 && (app.info.flags&ApplicationInfo.FLAG_FACTORY_TEST) != 0) { 3076 uid = 0; 3077 } 3078 } 3079 int debugFlags = 0; 3080 if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { 3081 debugFlags |= Zygote.DEBUG_ENABLE_DEBUGGER; 3082 // Also turn on CheckJNI for debuggable apps. It's quite 3083 // awkward to turn on otherwise. 3084 debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; 3085 } 3086 // Run the app in safe mode if its manifest requests so or the 3087 // system is booted in safe mode. 3088 if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 || 3089 mSafeMode == true) { 3090 debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE; 3091 } 3092 if ("1".equals(SystemProperties.get("debug.checkjni"))) { 3093 debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; 3094 } 3095 if ("1".equals(SystemProperties.get("debug.jni.logging"))) { 3096 debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING; 3097 } 3098 if ("1".equals(SystemProperties.get("debug.assert"))) { 3099 debugFlags |= Zygote.DEBUG_ENABLE_ASSERT; 3100 } 3101 3102 String requiredAbi = (abiOverride != null) ? abiOverride : app.info.primaryCpuAbi; 3103 if (requiredAbi == null) { 3104 requiredAbi = Build.SUPPORTED_ABIS[0]; 3105 } 3106 3107 // Start the process. It will either succeed and return a result containing 3108 // the PID of the new process, or else throw a RuntimeException. 3109 boolean isActivityProcess = (entryPoint == null); 3110 if (entryPoint == null) entryPoint = "android.app.ActivityThread"; 3111 Process.ProcessStartResult startResult = Process.start(entryPoint, 3112 app.processName, uid, uid, gids, debugFlags, mountExternal, 3113 app.info.targetSdkVersion, app.info.seinfo, requiredAbi, entryPointArgs); 3114 3115 if (app.isolated) { 3116 mBatteryStatsService.addIsolatedUid(app.uid, app.info.uid); 3117 } 3118 mBatteryStatsService.noteProcessStart(app.processName, app.info.uid); 3119 3120 EventLog.writeEvent(EventLogTags.AM_PROC_START, 3121 UserHandle.getUserId(uid), startResult.pid, uid, 3122 app.processName, hostingType, 3123 hostingNameStr != null ? hostingNameStr : ""); 3124 3125 if (app.persistent) { 3126 Watchdog.getInstance().processStarted(app.processName, startResult.pid); 3127 } 3128 3129 StringBuilder buf = mStringBuilder; 3130 buf.setLength(0); 3131 buf.append("Start proc "); 3132 buf.append(app.processName); 3133 if (!isActivityProcess) { 3134 buf.append(" ["); 3135 buf.append(entryPoint); 3136 buf.append("]"); 3137 } 3138 buf.append(" for "); 3139 buf.append(hostingType); 3140 if (hostingNameStr != null) { 3141 buf.append(" "); 3142 buf.append(hostingNameStr); 3143 } 3144 buf.append(": pid="); 3145 buf.append(startResult.pid); 3146 buf.append(" uid="); 3147 buf.append(uid); 3148 buf.append(" gids={"); 3149 if (gids != null) { 3150 for (int gi=0; gi<gids.length; gi++) { 3151 if (gi != 0) buf.append(", "); 3152 buf.append(gids[gi]); 3153 3154 } 3155 } 3156 buf.append("}"); 3157 if (requiredAbi != null) { 3158 buf.append(" abi="); 3159 buf.append(requiredAbi); 3160 } 3161 Slog.i(TAG, buf.toString()); 3162 app.setPid(startResult.pid); 3163 app.usingWrapper = startResult.usingWrapper; 3164 app.removed = false; 3165 app.killedByAm = false; 3166 synchronized (mPidsSelfLocked) { 3167 this.mPidsSelfLocked.put(startResult.pid, app); 3168 if (isActivityProcess) { 3169 Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); 3170 msg.obj = app; 3171 mHandler.sendMessageDelayed(msg, startResult.usingWrapper 3172 ? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT); 3173 } 3174 } 3175 } catch (RuntimeException e) { 3176 // XXX do better error recovery. 3177 app.setPid(0); 3178 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 3179 if (app.isolated) { 3180 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 3181 } 3182 Slog.e(TAG, "Failure starting process " + app.processName, e); 3183 } 3184 } 3185 3186 void updateUsageStats(ActivityRecord component, boolean resumed) { 3187 if (DEBUG_SWITCH) Slog.d(TAG, "updateUsageStats: comp=" + component + "res=" + resumed); 3188 final BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 3189 if (resumed) { 3190 if (mUsageStatsService != null) { 3191 mUsageStatsService.reportEvent(component.realActivity, component.userId, 3192 System.currentTimeMillis(), 3193 UsageEvents.Event.MOVE_TO_FOREGROUND); 3194 } 3195 synchronized (stats) { 3196 stats.noteActivityResumedLocked(component.app.uid); 3197 } 3198 } else { 3199 if (mUsageStatsService != null) { 3200 mUsageStatsService.reportEvent(component.realActivity, component.userId, 3201 System.currentTimeMillis(), 3202 UsageEvents.Event.MOVE_TO_BACKGROUND); 3203 } 3204 synchronized (stats) { 3205 stats.noteActivityPausedLocked(component.app.uid); 3206 } 3207 } 3208 } 3209 3210 Intent getHomeIntent() { 3211 Intent intent = new Intent(mTopAction, mTopData != null ? Uri.parse(mTopData) : null); 3212 intent.setComponent(mTopComponent); 3213 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 3214 intent.addCategory(Intent.CATEGORY_HOME); 3215 } 3216 return intent; 3217 } 3218 3219 boolean startHomeActivityLocked(int userId) { 3220 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL 3221 && mTopAction == null) { 3222 // We are running in factory test mode, but unable to find 3223 // the factory test app, so just sit around displaying the 3224 // error message and don't try to start anything. 3225 return false; 3226 } 3227 Intent intent = getHomeIntent(); 3228 ActivityInfo aInfo = 3229 resolveActivityInfo(intent, STOCK_PM_FLAGS, userId); 3230 if (aInfo != null) { 3231 intent.setComponent(new ComponentName( 3232 aInfo.applicationInfo.packageName, aInfo.name)); 3233 // Don't do this if the home app is currently being 3234 // instrumented. 3235 aInfo = new ActivityInfo(aInfo); 3236 aInfo.applicationInfo = getAppInfoForUser(aInfo.applicationInfo, userId); 3237 ProcessRecord app = getProcessRecordLocked(aInfo.processName, 3238 aInfo.applicationInfo.uid, true); 3239 if (app == null || app.instrumentationClass == null) { 3240 intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK); 3241 mStackSupervisor.startHomeActivity(intent, aInfo); 3242 } 3243 } 3244 3245 return true; 3246 } 3247 3248 private ActivityInfo resolveActivityInfo(Intent intent, int flags, int userId) { 3249 ActivityInfo ai = null; 3250 ComponentName comp = intent.getComponent(); 3251 try { 3252 if (comp != null) { 3253 ai = AppGlobals.getPackageManager().getActivityInfo(comp, flags, userId); 3254 } else { 3255 ResolveInfo info = AppGlobals.getPackageManager().resolveIntent( 3256 intent, 3257 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 3258 flags, userId); 3259 3260 if (info != null) { 3261 ai = info.activityInfo; 3262 } 3263 } 3264 } catch (RemoteException e) { 3265 // ignore 3266 } 3267 3268 return ai; 3269 } 3270 3271 /** 3272 * Starts the "new version setup screen" if appropriate. 3273 */ 3274 void startSetupActivityLocked() { 3275 // Only do this once per boot. 3276 if (mCheckedForSetup) { 3277 return; 3278 } 3279 3280 // We will show this screen if the current one is a different 3281 // version than the last one shown, and we are not running in 3282 // low-level factory test mode. 3283 final ContentResolver resolver = mContext.getContentResolver(); 3284 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL && 3285 Settings.Global.getInt(resolver, 3286 Settings.Global.DEVICE_PROVISIONED, 0) != 0) { 3287 mCheckedForSetup = true; 3288 3289 // See if we should be showing the platform update setup UI. 3290 Intent intent = new Intent(Intent.ACTION_UPGRADE_SETUP); 3291 List<ResolveInfo> ris = mContext.getPackageManager() 3292 .queryIntentActivities(intent, PackageManager.GET_META_DATA); 3293 3294 // We don't allow third party apps to replace this. 3295 ResolveInfo ri = null; 3296 for (int i=0; ris != null && i<ris.size(); i++) { 3297 if ((ris.get(i).activityInfo.applicationInfo.flags 3298 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3299 ri = ris.get(i); 3300 break; 3301 } 3302 } 3303 3304 if (ri != null) { 3305 String vers = ri.activityInfo.metaData != null 3306 ? ri.activityInfo.metaData.getString(Intent.METADATA_SETUP_VERSION) 3307 : null; 3308 if (vers == null && ri.activityInfo.applicationInfo.metaData != null) { 3309 vers = ri.activityInfo.applicationInfo.metaData.getString( 3310 Intent.METADATA_SETUP_VERSION); 3311 } 3312 String lastVers = Settings.Secure.getString( 3313 resolver, Settings.Secure.LAST_SETUP_SHOWN); 3314 if (vers != null && !vers.equals(lastVers)) { 3315 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 3316 intent.setComponent(new ComponentName( 3317 ri.activityInfo.packageName, ri.activityInfo.name)); 3318 mStackSupervisor.startActivityLocked(null, intent, null, ri.activityInfo, 3319 null, null, null, null, 0, 0, 0, null, 0, null, false, null, null, 3320 null); 3321 } 3322 } 3323 } 3324 } 3325 3326 CompatibilityInfo compatibilityInfoForPackageLocked(ApplicationInfo ai) { 3327 return mCompatModePackages.compatibilityInfoForPackageLocked(ai); 3328 } 3329 3330 void enforceNotIsolatedCaller(String caller) { 3331 if (UserHandle.isIsolated(Binder.getCallingUid())) { 3332 throw new SecurityException("Isolated process not allowed to call " + caller); 3333 } 3334 } 3335 3336 @Override 3337 public int getFrontActivityScreenCompatMode() { 3338 enforceNotIsolatedCaller("getFrontActivityScreenCompatMode"); 3339 synchronized (this) { 3340 return mCompatModePackages.getFrontActivityScreenCompatModeLocked(); 3341 } 3342 } 3343 3344 @Override 3345 public void setFrontActivityScreenCompatMode(int mode) { 3346 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3347 "setFrontActivityScreenCompatMode"); 3348 synchronized (this) { 3349 mCompatModePackages.setFrontActivityScreenCompatModeLocked(mode); 3350 } 3351 } 3352 3353 @Override 3354 public int getPackageScreenCompatMode(String packageName) { 3355 enforceNotIsolatedCaller("getPackageScreenCompatMode"); 3356 synchronized (this) { 3357 return mCompatModePackages.getPackageScreenCompatModeLocked(packageName); 3358 } 3359 } 3360 3361 @Override 3362 public void setPackageScreenCompatMode(String packageName, int mode) { 3363 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3364 "setPackageScreenCompatMode"); 3365 synchronized (this) { 3366 mCompatModePackages.setPackageScreenCompatModeLocked(packageName, mode); 3367 } 3368 } 3369 3370 @Override 3371 public boolean getPackageAskScreenCompat(String packageName) { 3372 enforceNotIsolatedCaller("getPackageAskScreenCompat"); 3373 synchronized (this) { 3374 return mCompatModePackages.getPackageAskCompatModeLocked(packageName); 3375 } 3376 } 3377 3378 @Override 3379 public void setPackageAskScreenCompat(String packageName, boolean ask) { 3380 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3381 "setPackageAskScreenCompat"); 3382 synchronized (this) { 3383 mCompatModePackages.setPackageAskCompatModeLocked(packageName, ask); 3384 } 3385 } 3386 3387 private void dispatchProcessesChanged() { 3388 int N; 3389 synchronized (this) { 3390 N = mPendingProcessChanges.size(); 3391 if (mActiveProcessChanges.length < N) { 3392 mActiveProcessChanges = new ProcessChangeItem[N]; 3393 } 3394 mPendingProcessChanges.toArray(mActiveProcessChanges); 3395 mAvailProcessChanges.addAll(mPendingProcessChanges); 3396 mPendingProcessChanges.clear(); 3397 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "*** Delivering " + N + " process changes"); 3398 } 3399 3400 int i = mProcessObservers.beginBroadcast(); 3401 while (i > 0) { 3402 i--; 3403 final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); 3404 if (observer != null) { 3405 try { 3406 for (int j=0; j<N; j++) { 3407 ProcessChangeItem item = mActiveProcessChanges[j]; 3408 if ((item.changes&ProcessChangeItem.CHANGE_ACTIVITIES) != 0) { 3409 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "ACTIVITIES CHANGED pid=" 3410 + item.pid + " uid=" + item.uid + ": " 3411 + item.foregroundActivities); 3412 observer.onForegroundActivitiesChanged(item.pid, item.uid, 3413 item.foregroundActivities); 3414 } 3415 if ((item.changes&ProcessChangeItem.CHANGE_PROCESS_STATE) != 0) { 3416 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "PROCSTATE CHANGED pid=" 3417 + item.pid + " uid=" + item.uid + ": " + item.processState); 3418 observer.onProcessStateChanged(item.pid, item.uid, item.processState); 3419 } 3420 } 3421 } catch (RemoteException e) { 3422 } 3423 } 3424 } 3425 mProcessObservers.finishBroadcast(); 3426 } 3427 3428 private void dispatchProcessDied(int pid, int uid) { 3429 int i = mProcessObservers.beginBroadcast(); 3430 while (i > 0) { 3431 i--; 3432 final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); 3433 if (observer != null) { 3434 try { 3435 observer.onProcessDied(pid, uid); 3436 } catch (RemoteException e) { 3437 } 3438 } 3439 } 3440 mProcessObservers.finishBroadcast(); 3441 } 3442 3443 @Override 3444 public final int startActivity(IApplicationThread caller, String callingPackage, 3445 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3446 int startFlags, ProfilerInfo profilerInfo, Bundle options) { 3447 return startActivityAsUser(caller, callingPackage, intent, resolvedType, resultTo, 3448 resultWho, requestCode, startFlags, profilerInfo, options, 3449 UserHandle.getCallingUserId()); 3450 } 3451 3452 @Override 3453 public final int startActivityAsUser(IApplicationThread caller, String callingPackage, 3454 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3455 int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) { 3456 enforceNotIsolatedCaller("startActivity"); 3457 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3458 false, ALLOW_FULL_ONLY, "startActivity", null); 3459 // TODO: Switch to user app stacks here. 3460 return mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, 3461 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3462 profilerInfo, null, null, options, userId, null, null); 3463 } 3464 3465 @Override 3466 public final int startActivityAsCaller(IApplicationThread caller, String callingPackage, 3467 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3468 int startFlags, ProfilerInfo profilerInfo, Bundle options) { 3469 3470 // This is very dangerous -- it allows you to perform a start activity (including 3471 // permission grants) as any app that may launch one of your own activities. So 3472 // we will only allow this to be done from activities that are part of the core framework, 3473 // and then only when they are running as the system. 3474 final ActivityRecord sourceRecord; 3475 final int targetUid; 3476 final String targetPackage; 3477 synchronized (this) { 3478 if (resultTo == null) { 3479 throw new SecurityException("Must be called from an activity"); 3480 } 3481 sourceRecord = mStackSupervisor.isInAnyStackLocked(resultTo); 3482 if (sourceRecord == null) { 3483 throw new SecurityException("Called with bad activity token: " + resultTo); 3484 } 3485 if (!sourceRecord.info.packageName.equals("android")) { 3486 throw new SecurityException( 3487 "Must be called from an activity that is declared in the android package"); 3488 } 3489 if (sourceRecord.app == null) { 3490 throw new SecurityException("Called without a process attached to activity"); 3491 } 3492 if (UserHandle.getAppId(sourceRecord.app.uid) != Process.SYSTEM_UID) { 3493 // This is still okay, as long as this activity is running under the 3494 // uid of the original calling activity. 3495 if (sourceRecord.app.uid != sourceRecord.launchedFromUid) { 3496 throw new SecurityException( 3497 "Calling activity in uid " + sourceRecord.app.uid 3498 + " must be system uid or original calling uid " 3499 + sourceRecord.launchedFromUid); 3500 } 3501 } 3502 targetUid = sourceRecord.launchedFromUid; 3503 targetPackage = sourceRecord.launchedFromPackage; 3504 } 3505 3506 // TODO: Switch to user app stacks here. 3507 try { 3508 int ret = mStackSupervisor.startActivityMayWait(null, targetUid, targetPackage, intent, 3509 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, null, 3510 null, null, options, UserHandle.getUserId(sourceRecord.app.uid), null, null); 3511 return ret; 3512 } catch (SecurityException e) { 3513 // XXX need to figure out how to propagate to original app. 3514 // A SecurityException here is generally actually a fault of the original 3515 // calling activity (such as a fairly granting permissions), so propagate it 3516 // back to them. 3517 /* 3518 StringBuilder msg = new StringBuilder(); 3519 msg.append("While launching"); 3520 msg.append(intent.toString()); 3521 msg.append(": "); 3522 msg.append(e.getMessage()); 3523 */ 3524 throw e; 3525 } 3526 } 3527 3528 @Override 3529 public final WaitResult startActivityAndWait(IApplicationThread caller, String callingPackage, 3530 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3531 int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) { 3532 enforceNotIsolatedCaller("startActivityAndWait"); 3533 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3534 false, ALLOW_FULL_ONLY, "startActivityAndWait", null); 3535 WaitResult res = new WaitResult(); 3536 // TODO: Switch to user app stacks here. 3537 mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType, 3538 null, null, resultTo, resultWho, requestCode, startFlags, profilerInfo, res, null, 3539 options, userId, null, null); 3540 return res; 3541 } 3542 3543 @Override 3544 public final int startActivityWithConfig(IApplicationThread caller, String callingPackage, 3545 Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, 3546 int startFlags, Configuration config, Bundle options, int userId) { 3547 enforceNotIsolatedCaller("startActivityWithConfig"); 3548 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3549 false, ALLOW_FULL_ONLY, "startActivityWithConfig", null); 3550 // TODO: Switch to user app stacks here. 3551 int ret = mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, 3552 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3553 null, null, config, options, userId, null, null); 3554 return ret; 3555 } 3556 3557 @Override 3558 public int startActivityIntentSender(IApplicationThread caller, 3559 IntentSender intent, Intent fillInIntent, String resolvedType, 3560 IBinder resultTo, String resultWho, int requestCode, 3561 int flagsMask, int flagsValues, Bundle options) { 3562 enforceNotIsolatedCaller("startActivityIntentSender"); 3563 // Refuse possible leaked file descriptors 3564 if (fillInIntent != null && fillInIntent.hasFileDescriptors()) { 3565 throw new IllegalArgumentException("File descriptors passed in Intent"); 3566 } 3567 3568 IIntentSender sender = intent.getTarget(); 3569 if (!(sender instanceof PendingIntentRecord)) { 3570 throw new IllegalArgumentException("Bad PendingIntent object"); 3571 } 3572 3573 PendingIntentRecord pir = (PendingIntentRecord)sender; 3574 3575 synchronized (this) { 3576 // If this is coming from the currently resumed activity, it is 3577 // effectively saying that app switches are allowed at this point. 3578 final ActivityStack stack = getFocusedStack(); 3579 if (stack.mResumedActivity != null && 3580 stack.mResumedActivity.info.applicationInfo.uid == Binder.getCallingUid()) { 3581 mAppSwitchesAllowedTime = 0; 3582 } 3583 } 3584 int ret = pir.sendInner(0, fillInIntent, resolvedType, null, null, 3585 resultTo, resultWho, requestCode, flagsMask, flagsValues, options, null); 3586 return ret; 3587 } 3588 3589 @Override 3590 public int startVoiceActivity(String callingPackage, int callingPid, int callingUid, 3591 Intent intent, String resolvedType, IVoiceInteractionSession session, 3592 IVoiceInteractor interactor, int startFlags, ProfilerInfo profilerInfo, 3593 Bundle options, int userId) { 3594 if (checkCallingPermission(Manifest.permission.BIND_VOICE_INTERACTION) 3595 != PackageManager.PERMISSION_GRANTED) { 3596 String msg = "Permission Denial: startVoiceActivity() from pid=" 3597 + Binder.getCallingPid() 3598 + ", uid=" + Binder.getCallingUid() 3599 + " requires " + android.Manifest.permission.BIND_VOICE_INTERACTION; 3600 Slog.w(TAG, msg); 3601 throw new SecurityException(msg); 3602 } 3603 if (session == null || interactor == null) { 3604 throw new NullPointerException("null session or interactor"); 3605 } 3606 userId = handleIncomingUser(callingPid, callingUid, userId, 3607 false, ALLOW_FULL_ONLY, "startVoiceActivity", null); 3608 // TODO: Switch to user app stacks here. 3609 return mStackSupervisor.startActivityMayWait(null, callingUid, callingPackage, intent, 3610 resolvedType, session, interactor, null, null, 0, startFlags, profilerInfo, null, 3611 null, options, userId, null, null); 3612 } 3613 3614 @Override 3615 public boolean startNextMatchingActivity(IBinder callingActivity, 3616 Intent intent, Bundle options) { 3617 // Refuse possible leaked file descriptors 3618 if (intent != null && intent.hasFileDescriptors() == true) { 3619 throw new IllegalArgumentException("File descriptors passed in Intent"); 3620 } 3621 3622 synchronized (this) { 3623 final ActivityRecord r = ActivityRecord.isInStackLocked(callingActivity); 3624 if (r == null) { 3625 ActivityOptions.abort(options); 3626 return false; 3627 } 3628 if (r.app == null || r.app.thread == null) { 3629 // The caller is not running... d'oh! 3630 ActivityOptions.abort(options); 3631 return false; 3632 } 3633 intent = new Intent(intent); 3634 // The caller is not allowed to change the data. 3635 intent.setDataAndType(r.intent.getData(), r.intent.getType()); 3636 // And we are resetting to find the next component... 3637 intent.setComponent(null); 3638 3639 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3640 3641 ActivityInfo aInfo = null; 3642 try { 3643 List<ResolveInfo> resolves = 3644 AppGlobals.getPackageManager().queryIntentActivities( 3645 intent, r.resolvedType, 3646 PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS, 3647 UserHandle.getCallingUserId()); 3648 3649 // Look for the original activity in the list... 3650 final int N = resolves != null ? resolves.size() : 0; 3651 for (int i=0; i<N; i++) { 3652 ResolveInfo rInfo = resolves.get(i); 3653 if (rInfo.activityInfo.packageName.equals(r.packageName) 3654 && rInfo.activityInfo.name.equals(r.info.name)) { 3655 // We found the current one... the next matching is 3656 // after it. 3657 i++; 3658 if (i<N) { 3659 aInfo = resolves.get(i).activityInfo; 3660 } 3661 if (debug) { 3662 Slog.v(TAG, "Next matching activity: found current " + r.packageName 3663 + "/" + r.info.name); 3664 Slog.v(TAG, "Next matching activity: next is " + aInfo.packageName 3665 + "/" + aInfo.name); 3666 } 3667 break; 3668 } 3669 } 3670 } catch (RemoteException e) { 3671 } 3672 3673 if (aInfo == null) { 3674 // Nobody who is next! 3675 ActivityOptions.abort(options); 3676 if (debug) Slog.d(TAG, "Next matching activity: nothing found"); 3677 return false; 3678 } 3679 3680 intent.setComponent(new ComponentName( 3681 aInfo.applicationInfo.packageName, aInfo.name)); 3682 intent.setFlags(intent.getFlags()&~( 3683 Intent.FLAG_ACTIVITY_FORWARD_RESULT| 3684 Intent.FLAG_ACTIVITY_CLEAR_TOP| 3685 Intent.FLAG_ACTIVITY_MULTIPLE_TASK| 3686 Intent.FLAG_ACTIVITY_NEW_TASK)); 3687 3688 // Okay now we need to start the new activity, replacing the 3689 // currently running activity. This is a little tricky because 3690 // we want to start the new one as if the current one is finished, 3691 // but not finish the current one first so that there is no flicker. 3692 // And thus... 3693 final boolean wasFinishing = r.finishing; 3694 r.finishing = true; 3695 3696 // Propagate reply information over to the new activity. 3697 final ActivityRecord resultTo = r.resultTo; 3698 final String resultWho = r.resultWho; 3699 final int requestCode = r.requestCode; 3700 r.resultTo = null; 3701 if (resultTo != null) { 3702 resultTo.removeResultsLocked(r, resultWho, requestCode); 3703 } 3704 3705 final long origId = Binder.clearCallingIdentity(); 3706 int res = mStackSupervisor.startActivityLocked(r.app.thread, intent, 3707 r.resolvedType, aInfo, null, null, resultTo != null ? resultTo.appToken : null, 3708 resultWho, requestCode, -1, r.launchedFromUid, r.launchedFromPackage, 0, 3709 options, false, null, null, null); 3710 Binder.restoreCallingIdentity(origId); 3711 3712 r.finishing = wasFinishing; 3713 if (res != ActivityManager.START_SUCCESS) { 3714 return false; 3715 } 3716 return true; 3717 } 3718 } 3719 3720 @Override 3721 public final int startActivityFromRecents(int taskId, Bundle options) { 3722 if (checkCallingPermission(START_TASKS_FROM_RECENTS) != PackageManager.PERMISSION_GRANTED) { 3723 String msg = "Permission Denial: startActivityFromRecents called without " + 3724 START_TASKS_FROM_RECENTS; 3725 Slog.w(TAG, msg); 3726 throw new SecurityException(msg); 3727 } 3728 return startActivityFromRecentsInner(taskId, options); 3729 } 3730 3731 final int startActivityFromRecentsInner(int taskId, Bundle options) { 3732 final TaskRecord task; 3733 final int callingUid; 3734 final String callingPackage; 3735 final Intent intent; 3736 final int userId; 3737 synchronized (this) { 3738 task = recentTaskForIdLocked(taskId); 3739 if (task == null) { 3740 throw new IllegalArgumentException("Task " + taskId + " not found."); 3741 } 3742 callingUid = task.mCallingUid; 3743 callingPackage = task.mCallingPackage; 3744 intent = task.intent; 3745 intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY); 3746 userId = task.userId; 3747 } 3748 return startActivityInPackage(callingUid, callingPackage, intent, null, null, null, 0, 0, 3749 options, userId, null, task); 3750 } 3751 3752 final int startActivityInPackage(int uid, String callingPackage, 3753 Intent intent, String resolvedType, IBinder resultTo, 3754 String resultWho, int requestCode, int startFlags, Bundle options, int userId, 3755 IActivityContainer container, TaskRecord inTask) { 3756 3757 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3758 false, ALLOW_FULL_ONLY, "startActivityInPackage", null); 3759 3760 // TODO: Switch to user app stacks here. 3761 int ret = mStackSupervisor.startActivityMayWait(null, uid, callingPackage, intent, 3762 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3763 null, null, null, options, userId, container, inTask); 3764 return ret; 3765 } 3766 3767 @Override 3768 public final int startActivities(IApplicationThread caller, String callingPackage, 3769 Intent[] intents, String[] resolvedTypes, IBinder resultTo, Bundle options, 3770 int userId) { 3771 enforceNotIsolatedCaller("startActivities"); 3772 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3773 false, ALLOW_FULL_ONLY, "startActivity", null); 3774 // TODO: Switch to user app stacks here. 3775 int ret = mStackSupervisor.startActivities(caller, -1, callingPackage, intents, 3776 resolvedTypes, resultTo, options, userId); 3777 return ret; 3778 } 3779 3780 final int startActivitiesInPackage(int uid, String callingPackage, 3781 Intent[] intents, String[] resolvedTypes, IBinder resultTo, 3782 Bundle options, int userId) { 3783 3784 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3785 false, ALLOW_FULL_ONLY, "startActivityInPackage", null); 3786 // TODO: Switch to user app stacks here. 3787 int ret = mStackSupervisor.startActivities(null, uid, callingPackage, intents, resolvedTypes, 3788 resultTo, options, userId); 3789 return ret; 3790 } 3791 3792 //explicitly remove thd old information in mRecentTasks when removing existing user. 3793 private void removeRecentTasksForUserLocked(int userId) { 3794 if(userId <= 0) { 3795 Slog.i(TAG, "Can't remove recent task on user " + userId); 3796 return; 3797 } 3798 3799 for (int i = mRecentTasks.size() - 1; i >= 0; --i) { 3800 TaskRecord tr = mRecentTasks.get(i); 3801 if (tr.userId == userId) { 3802 if(DEBUG_TASKS) Slog.i(TAG, "remove RecentTask " + tr 3803 + " when finishing user" + userId); 3804 mRecentTasks.remove(i); 3805 tr.removedFromRecents(mTaskPersister); 3806 } 3807 } 3808 3809 // Remove tasks from persistent storage. 3810 mTaskPersister.wakeup(null, true); 3811 } 3812 3813 /** 3814 * Update the recent tasks lists: make sure tasks should still be here (their 3815 * applications / activities still exist), update their availability, fixup ordering 3816 * of affiliations. 3817 */ 3818 void cleanupRecentTasksLocked(int userId) { 3819 final HashMap<ComponentName, ActivityInfo> availActCache = new HashMap<>(); 3820 final HashMap<String, ApplicationInfo> availAppCache = new HashMap<>(); 3821 final IPackageManager pm = AppGlobals.getPackageManager(); 3822 final ActivityInfo dummyAct = new ActivityInfo(); 3823 final ApplicationInfo dummyApp = new ApplicationInfo(); 3824 3825 int N = mRecentTasks.size(); 3826 3827 int[] users = userId == UserHandle.USER_ALL 3828 ? getUsersLocked() : new int[] { userId }; 3829 for (int user : users) { 3830 for (int i = 0; i < N; i++) { 3831 TaskRecord task = mRecentTasks.get(i); 3832 if (task.userId != user) { 3833 // Only look at tasks for the user ID of interest. 3834 continue; 3835 } 3836 if (task.autoRemoveRecents && task.getTopActivity() == null) { 3837 // This situation is broken, and we should just get rid of it now. 3838 mRecentTasks.remove(i); 3839 task.removedFromRecents(mTaskPersister); 3840 i--; 3841 N--; 3842 Slog.w(TAG, "Removing auto-remove without activity: " + task); 3843 continue; 3844 } 3845 // Check whether this activity is currently available. 3846 if (task.realActivity != null) { 3847 ActivityInfo ai = availActCache.get(task.realActivity); 3848 if (ai == null) { 3849 try { 3850 ai = pm.getActivityInfo(task.realActivity, 3851 PackageManager.GET_UNINSTALLED_PACKAGES 3852 | PackageManager.GET_DISABLED_COMPONENTS, user); 3853 } catch (RemoteException e) { 3854 // Will never happen. 3855 continue; 3856 } 3857 if (ai == null) { 3858 ai = dummyAct; 3859 } 3860 availActCache.put(task.realActivity, ai); 3861 } 3862 if (ai == dummyAct) { 3863 // This could be either because the activity no longer exists, or the 3864 // app is temporarily gone. For the former we want to remove the recents 3865 // entry; for the latter we want to mark it as unavailable. 3866 ApplicationInfo app = availAppCache.get(task.realActivity.getPackageName()); 3867 if (app == null) { 3868 try { 3869 app = pm.getApplicationInfo(task.realActivity.getPackageName(), 3870 PackageManager.GET_UNINSTALLED_PACKAGES 3871 | PackageManager.GET_DISABLED_COMPONENTS, user); 3872 } catch (RemoteException e) { 3873 // Will never happen. 3874 continue; 3875 } 3876 if (app == null) { 3877 app = dummyApp; 3878 } 3879 availAppCache.put(task.realActivity.getPackageName(), app); 3880 } 3881 if (app == dummyApp || (app.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { 3882 // Doesn't exist any more! Good-bye. 3883 mRecentTasks.remove(i); 3884 task.removedFromRecents(mTaskPersister); 3885 i--; 3886 N--; 3887 Slog.w(TAG, "Removing no longer valid recent: " + task); 3888 continue; 3889 } else { 3890 // Otherwise just not available for now. 3891 if (task.isAvailable) { 3892 if (DEBUG_RECENTS) Slog.d(TAG, "Making recent unavailable: " 3893 + task); 3894 } 3895 task.isAvailable = false; 3896 } 3897 } else { 3898 if (!ai.enabled || !ai.applicationInfo.enabled 3899 || (ai.applicationInfo.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { 3900 if (task.isAvailable) { 3901 if (DEBUG_RECENTS) Slog.d(TAG, "Making recent unavailable: " 3902 + task + " (enabled=" + ai.enabled + "/" 3903 + ai.applicationInfo.enabled + " flags=" 3904 + Integer.toHexString(ai.applicationInfo.flags) + ")"); 3905 } 3906 task.isAvailable = false; 3907 } else { 3908 if (!task.isAvailable) { 3909 if (DEBUG_RECENTS) Slog.d(TAG, "Making recent available: " 3910 + task); 3911 } 3912 task.isAvailable = true; 3913 } 3914 } 3915 } 3916 } 3917 } 3918 3919 // Verify the affiliate chain for each task. 3920 for (int i = 0; i < N; ) { 3921 TaskRecord task = mRecentTasks.remove(i); 3922 if (mTmpRecents.contains(task)) { 3923 continue; 3924 } 3925 int affiliatedTaskId = task.mAffiliatedTaskId; 3926 while (true) { 3927 TaskRecord next = task.mNextAffiliate; 3928 if (next == null) { 3929 break; 3930 } 3931 if (next.mAffiliatedTaskId != affiliatedTaskId) { 3932 Slog.e(TAG, "Error in Recents: next.affiliatedTaskId=" + 3933 next.mAffiliatedTaskId + " affiliatedTaskId=" + affiliatedTaskId); 3934 task.setNextAffiliate(null); 3935 if (next.mPrevAffiliate == task) { 3936 next.setPrevAffiliate(null); 3937 } 3938 break; 3939 } 3940 if (next.mPrevAffiliate != task) { 3941 Slog.e(TAG, "Error in Recents chain prev.mNextAffiliate=" + 3942 next.mPrevAffiliate + " task=" + task); 3943 next.setPrevAffiliate(null); 3944 task.setNextAffiliate(null); 3945 break; 3946 } 3947 if (!mRecentTasks.contains(next)) { 3948 Slog.e(TAG, "Error in Recents: next=" + next + " not in mRecentTasks"); 3949 task.setNextAffiliate(null); 3950 // We know that next.mPrevAffiliate is always task, from above, so clear 3951 // its previous affiliate. 3952 next.setPrevAffiliate(null); 3953 break; 3954 } 3955 task = next; 3956 } 3957 // task is now the end of the list 3958 do { 3959 mRecentTasks.remove(task); 3960 mRecentTasks.add(i++, task); 3961 mTmpRecents.add(task); 3962 task.inRecents = true; 3963 } while ((task = task.mPrevAffiliate) != null); 3964 } 3965 mTmpRecents.clear(); 3966 // mRecentTasks is now in sorted, affiliated order. 3967 } 3968 3969 private final boolean moveAffiliatedTasksToFront(TaskRecord task, int taskIndex) { 3970 int N = mRecentTasks.size(); 3971 TaskRecord top = task; 3972 int topIndex = taskIndex; 3973 while (top.mNextAffiliate != null && topIndex > 0) { 3974 top = top.mNextAffiliate; 3975 topIndex--; 3976 } 3977 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: adding affilliates starting at " 3978 + topIndex + " from intial " + taskIndex); 3979 // Find the end of the chain, doing a sanity check along the way. 3980 boolean sane = top.mAffiliatedTaskId == task.mAffiliatedTaskId; 3981 int endIndex = topIndex; 3982 TaskRecord prev = top; 3983 while (endIndex < N) { 3984 TaskRecord cur = mRecentTasks.get(endIndex); 3985 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: looking at next chain @" 3986 + endIndex + " " + cur); 3987 if (cur == top) { 3988 // Verify start of the chain. 3989 if (cur.mNextAffiliate != null || cur.mNextAffiliateTaskId != -1) { 3990 Slog.wtf(TAG, "Bad chain @" + endIndex 3991 + ": first task has next affiliate: " + prev); 3992 sane = false; 3993 break; 3994 } 3995 } else { 3996 // Verify middle of the chain's next points back to the one before. 3997 if (cur.mNextAffiliate != prev 3998 || cur.mNextAffiliateTaskId != prev.taskId) { 3999 Slog.wtf(TAG, "Bad chain @" + endIndex 4000 + ": middle task " + cur + " @" + endIndex 4001 + " has bad next affiliate " 4002 + cur.mNextAffiliate + " id " + cur.mNextAffiliateTaskId 4003 + ", expected " + prev); 4004 sane = false; 4005 break; 4006 } 4007 } 4008 if (cur.mPrevAffiliateTaskId == -1) { 4009 // Chain ends here. 4010 if (cur.mPrevAffiliate != null) { 4011 Slog.wtf(TAG, "Bad chain @" + endIndex 4012 + ": last task " + cur + " has previous affiliate " 4013 + cur.mPrevAffiliate); 4014 sane = false; 4015 } 4016 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: end of chain @" + endIndex); 4017 break; 4018 } else { 4019 // Verify middle of the chain's prev points to a valid item. 4020 if (cur.mPrevAffiliate == null) { 4021 Slog.wtf(TAG, "Bad chain @" + endIndex 4022 + ": task " + cur + " has previous affiliate " 4023 + cur.mPrevAffiliate + " but should be id " 4024 + cur.mPrevAffiliate); 4025 sane = false; 4026 break; 4027 } 4028 } 4029 if (cur.mAffiliatedTaskId != task.mAffiliatedTaskId) { 4030 Slog.wtf(TAG, "Bad chain @" + endIndex 4031 + ": task " + cur + " has affiliated id " 4032 + cur.mAffiliatedTaskId + " but should be " 4033 + task.mAffiliatedTaskId); 4034 sane = false; 4035 break; 4036 } 4037 prev = cur; 4038 endIndex++; 4039 if (endIndex >= N) { 4040 Slog.wtf(TAG, "Bad chain ran off index " + endIndex 4041 + ": last task " + prev); 4042 sane = false; 4043 break; 4044 } 4045 } 4046 if (sane) { 4047 if (endIndex < taskIndex) { 4048 Slog.wtf(TAG, "Bad chain @" + endIndex 4049 + ": did not extend to task " + task + " @" + taskIndex); 4050 sane = false; 4051 } 4052 } 4053 if (sane) { 4054 // All looks good, we can just move all of the affiliated tasks 4055 // to the top. 4056 for (int i=topIndex; i<=endIndex; i++) { 4057 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: moving affiliated " + task 4058 + " from " + i + " to " + (i-topIndex)); 4059 TaskRecord cur = mRecentTasks.remove(i); 4060 mRecentTasks.add(i-topIndex, cur); 4061 } 4062 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: done moving tasks " + topIndex 4063 + " to " + endIndex); 4064 return true; 4065 } 4066 4067 // Whoops, couldn't do it. 4068 return false; 4069 } 4070 4071 final void addRecentTaskLocked(TaskRecord task) { 4072 final boolean isAffiliated = task.mAffiliatedTaskId != task.taskId 4073 || task.mNextAffiliateTaskId != -1 || task.mPrevAffiliateTaskId != -1; 4074 4075 int N = mRecentTasks.size(); 4076 // Quick case: check if the top-most recent task is the same. 4077 if (!isAffiliated && N > 0 && mRecentTasks.get(0) == task) { 4078 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: already at top: " + task); 4079 return; 4080 } 4081 // Another quick case: check if this is part of a set of affiliated 4082 // tasks that are at the top. 4083 if (isAffiliated && N > 0 && task.inRecents 4084 && task.mAffiliatedTaskId == mRecentTasks.get(0).mAffiliatedTaskId) { 4085 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: affiliated " + mRecentTasks.get(0) 4086 + " at top when adding " + task); 4087 return; 4088 } 4089 // Another quick case: never add voice sessions. 4090 if (task.voiceSession != null) { 4091 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: not adding voice interaction " + task); 4092 return; 4093 } 4094 4095 boolean needAffiliationFix = false; 4096 4097 // Slightly less quick case: the task is already in recents, so all we need 4098 // to do is move it. 4099 if (task.inRecents) { 4100 int taskIndex = mRecentTasks.indexOf(task); 4101 if (taskIndex >= 0) { 4102 if (!isAffiliated) { 4103 // Simple case: this is not an affiliated task, so we just move it to the front. 4104 mRecentTasks.remove(taskIndex); 4105 mRecentTasks.add(0, task); 4106 notifyTaskPersisterLocked(task, false); 4107 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: moving to top " + task 4108 + " from " + taskIndex); 4109 return; 4110 } else { 4111 // More complicated: need to keep all affiliated tasks together. 4112 if (moveAffiliatedTasksToFront(task, taskIndex)) { 4113 // All went well. 4114 return; 4115 } 4116 4117 // Uh oh... something bad in the affiliation chain, try to rebuild 4118 // everything and then go through our general path of adding a new task. 4119 needAffiliationFix = true; 4120 } 4121 } else { 4122 Slog.wtf(TAG, "Task with inRecent not in recents: " + task); 4123 needAffiliationFix = true; 4124 } 4125 } 4126 4127 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: trimming tasks for " + task); 4128 trimRecentsForTask(task, true); 4129 4130 N = mRecentTasks.size(); 4131 while (N >= ActivityManager.getMaxRecentTasksStatic()) { 4132 final TaskRecord tr = mRecentTasks.remove(N - 1); 4133 tr.removedFromRecents(mTaskPersister); 4134 N--; 4135 } 4136 task.inRecents = true; 4137 if (!isAffiliated || needAffiliationFix) { 4138 // If this is a simple non-affiliated task, or we had some failure trying to 4139 // handle it as part of an affilated task, then just place it at the top. 4140 mRecentTasks.add(0, task); 4141 } else if (isAffiliated) { 4142 // If this is a new affiliated task, then move all of the affiliated tasks 4143 // to the front and insert this new one. 4144 TaskRecord other = task.mNextAffiliate; 4145 if (other == null) { 4146 other = task.mPrevAffiliate; 4147 } 4148 if (other != null) { 4149 int otherIndex = mRecentTasks.indexOf(other); 4150 if (otherIndex >= 0) { 4151 // Insert new task at appropriate location. 4152 int taskIndex; 4153 if (other == task.mNextAffiliate) { 4154 // We found the index of our next affiliation, which is who is 4155 // before us in the list, so add after that point. 4156 taskIndex = otherIndex+1; 4157 } else { 4158 // We found the index of our previous affiliation, which is who is 4159 // after us in the list, so add at their position. 4160 taskIndex = otherIndex; 4161 } 4162 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: new affiliated task added at " 4163 + taskIndex + ": " + task); 4164 mRecentTasks.add(taskIndex, task); 4165 4166 // Now move everything to the front. 4167 if (moveAffiliatedTasksToFront(task, taskIndex)) { 4168 // All went well. 4169 return; 4170 } 4171 4172 // Uh oh... something bad in the affiliation chain, try to rebuild 4173 // everything and then go through our general path of adding a new task. 4174 needAffiliationFix = true; 4175 } else { 4176 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: couldn't find other affiliation " 4177 + other); 4178 needAffiliationFix = true; 4179 } 4180 } else { 4181 if (DEBUG_RECENTS) Slog.d(TAG, 4182 "addRecent: adding affiliated task without next/prev:" + task); 4183 needAffiliationFix = true; 4184 } 4185 } 4186 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: adding " + task); 4187 4188 if (needAffiliationFix) { 4189 if (DEBUG_RECENTS) Slog.d(TAG, "addRecent: regrouping affiliations"); 4190 cleanupRecentTasksLocked(task.userId); 4191 } 4192 } 4193 4194 /** 4195 * If needed, remove oldest existing entries in recents that are for the same kind 4196 * of task as the given one. 4197 */ 4198 int trimRecentsForTask(TaskRecord task, boolean doTrim) { 4199 int N = mRecentTasks.size(); 4200 final Intent intent = task.intent; 4201 final boolean document = intent != null && intent.isDocument(); 4202 4203 int maxRecents = task.maxRecents - 1; 4204 for (int i=0; i<N; i++) { 4205 final TaskRecord tr = mRecentTasks.get(i); 4206 if (task != tr) { 4207 if (task.userId != tr.userId) { 4208 continue; 4209 } 4210 if (i > MAX_RECENT_BITMAPS) { 4211 tr.freeLastThumbnail(); 4212 } 4213 final Intent trIntent = tr.intent; 4214 if ((task.affinity == null || !task.affinity.equals(tr.affinity)) && 4215 (intent == null || !intent.filterEquals(trIntent))) { 4216 continue; 4217 } 4218 final boolean trIsDocument = trIntent != null && trIntent.isDocument(); 4219 if (document && trIsDocument) { 4220 // These are the same document activity (not necessarily the same doc). 4221 if (maxRecents > 0) { 4222 --maxRecents; 4223 continue; 4224 } 4225 // Hit the maximum number of documents for this task. Fall through 4226 // and remove this document from recents. 4227 } else if (document || trIsDocument) { 4228 // Only one of these is a document. Not the droid we're looking for. 4229 continue; 4230 } 4231 } 4232 4233 if (!doTrim) { 4234 // If the caller is not actually asking for a trim, just tell them we reached 4235 // a point where the trim would happen. 4236 return i; 4237 } 4238 4239 // Either task and tr are the same or, their affinities match or their intents match 4240 // and neither of them is a document, or they are documents using the same activity 4241 // and their maxRecents has been reached. 4242 tr.disposeThumbnail(); 4243 mRecentTasks.remove(i); 4244 if (task != tr) { 4245 tr.removedFromRecents(mTaskPersister); 4246 } 4247 i--; 4248 N--; 4249 if (task.intent == null) { 4250 // If the new recent task we are adding is not fully 4251 // specified, then replace it with the existing recent task. 4252 task = tr; 4253 } 4254 notifyTaskPersisterLocked(tr, false); 4255 } 4256 4257 return -1; 4258 } 4259 4260 @Override 4261 public void reportActivityFullyDrawn(IBinder token) { 4262 synchronized (this) { 4263 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4264 if (r == null) { 4265 return; 4266 } 4267 r.reportFullyDrawnLocked(); 4268 } 4269 } 4270 4271 @Override 4272 public void setRequestedOrientation(IBinder token, int requestedOrientation) { 4273 synchronized (this) { 4274 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4275 if (r == null) { 4276 return; 4277 } 4278 final long origId = Binder.clearCallingIdentity(); 4279 mWindowManager.setAppOrientation(r.appToken, requestedOrientation); 4280 Configuration config = mWindowManager.updateOrientationFromAppTokens( 4281 mConfiguration, r.mayFreezeScreenLocked(r.app) ? r.appToken : null); 4282 if (config != null) { 4283 r.frozenBeforeDestroy = true; 4284 if (!updateConfigurationLocked(config, r, false, false)) { 4285 mStackSupervisor.resumeTopActivitiesLocked(); 4286 } 4287 } 4288 Binder.restoreCallingIdentity(origId); 4289 } 4290 } 4291 4292 @Override 4293 public int getRequestedOrientation(IBinder token) { 4294 synchronized (this) { 4295 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4296 if (r == null) { 4297 return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 4298 } 4299 return mWindowManager.getAppOrientation(r.appToken); 4300 } 4301 } 4302 4303 /** 4304 * This is the internal entry point for handling Activity.finish(). 4305 * 4306 * @param token The Binder token referencing the Activity we want to finish. 4307 * @param resultCode Result code, if any, from this Activity. 4308 * @param resultData Result data (Intent), if any, from this Activity. 4309 * @param finishTask Whether to finish the task associated with this Activity. Only applies to 4310 * the root Activity in the task. 4311 * 4312 * @return Returns true if the activity successfully finished, or false if it is still running. 4313 */ 4314 @Override 4315 public final boolean finishActivity(IBinder token, int resultCode, Intent resultData, 4316 boolean finishTask) { 4317 // Refuse possible leaked file descriptors 4318 if (resultData != null && resultData.hasFileDescriptors() == true) { 4319 throw new IllegalArgumentException("File descriptors passed in Intent"); 4320 } 4321 4322 synchronized(this) { 4323 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4324 if (r == null) { 4325 return true; 4326 } 4327 // Keep track of the root activity of the task before we finish it 4328 TaskRecord tr = r.task; 4329 ActivityRecord rootR = tr.getRootActivity(); 4330 // Do not allow task to finish in Lock Task mode. 4331 if (tr == mStackSupervisor.mLockTaskModeTask) { 4332 if (rootR == r) { 4333 mStackSupervisor.showLockTaskToast(); 4334 return false; 4335 } 4336 } 4337 if (mController != null) { 4338 // Find the first activity that is not finishing. 4339 ActivityRecord next = r.task.stack.topRunningActivityLocked(token, 0); 4340 if (next != null) { 4341 // ask watcher if this is allowed 4342 boolean resumeOK = true; 4343 try { 4344 resumeOK = mController.activityResuming(next.packageName); 4345 } catch (RemoteException e) { 4346 mController = null; 4347 Watchdog.getInstance().setActivityController(null); 4348 } 4349 4350 if (!resumeOK) { 4351 return false; 4352 } 4353 } 4354 } 4355 final long origId = Binder.clearCallingIdentity(); 4356 try { 4357 boolean res; 4358 if (finishTask && r == rootR) { 4359 // If requested, remove the task that is associated to this activity only if it 4360 // was the root activity in the task. The result code and data is ignored because 4361 // we don't support returning them across task boundaries. 4362 res = removeTaskByIdLocked(tr.taskId, 0); 4363 } else { 4364 res = tr.stack.requestFinishActivityLocked(token, resultCode, 4365 resultData, "app-request", true); 4366 } 4367 return res; 4368 } finally { 4369 Binder.restoreCallingIdentity(origId); 4370 } 4371 } 4372 } 4373 4374 @Override 4375 public final void finishHeavyWeightApp() { 4376 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 4377 != PackageManager.PERMISSION_GRANTED) { 4378 String msg = "Permission Denial: finishHeavyWeightApp() from pid=" 4379 + Binder.getCallingPid() 4380 + ", uid=" + Binder.getCallingUid() 4381 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 4382 Slog.w(TAG, msg); 4383 throw new SecurityException(msg); 4384 } 4385 4386 synchronized(this) { 4387 if (mHeavyWeightProcess == null) { 4388 return; 4389 } 4390 4391 ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>( 4392 mHeavyWeightProcess.activities); 4393 for (int i=0; i<activities.size(); i++) { 4394 ActivityRecord r = activities.get(i); 4395 if (!r.finishing) { 4396 r.task.stack.finishActivityLocked(r, Activity.RESULT_CANCELED, 4397 null, "finish-heavy", true); 4398 } 4399 } 4400 4401 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 4402 mHeavyWeightProcess.userId, 0)); 4403 mHeavyWeightProcess = null; 4404 } 4405 } 4406 4407 @Override 4408 public void crashApplication(int uid, int initialPid, String packageName, 4409 String message) { 4410 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 4411 != PackageManager.PERMISSION_GRANTED) { 4412 String msg = "Permission Denial: crashApplication() from pid=" 4413 + Binder.getCallingPid() 4414 + ", uid=" + Binder.getCallingUid() 4415 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 4416 Slog.w(TAG, msg); 4417 throw new SecurityException(msg); 4418 } 4419 4420 synchronized(this) { 4421 ProcessRecord proc = null; 4422 4423 // Figure out which process to kill. We don't trust that initialPid 4424 // still has any relation to current pids, so must scan through the 4425 // list. 4426 synchronized (mPidsSelfLocked) { 4427 for (int i=0; i<mPidsSelfLocked.size(); i++) { 4428 ProcessRecord p = mPidsSelfLocked.valueAt(i); 4429 if (p.uid != uid) { 4430 continue; 4431 } 4432 if (p.pid == initialPid) { 4433 proc = p; 4434 break; 4435 } 4436 if (p.pkgList.containsKey(packageName)) { 4437 proc = p; 4438 } 4439 } 4440 } 4441 4442 if (proc == null) { 4443 Slog.w(TAG, "crashApplication: nothing for uid=" + uid 4444 + " initialPid=" + initialPid 4445 + " packageName=" + packageName); 4446 return; 4447 } 4448 4449 if (proc.thread != null) { 4450 if (proc.pid == Process.myPid()) { 4451 Log.w(TAG, "crashApplication: trying to crash self!"); 4452 return; 4453 } 4454 long ident = Binder.clearCallingIdentity(); 4455 try { 4456 proc.thread.scheduleCrash(message); 4457 } catch (RemoteException e) { 4458 } 4459 Binder.restoreCallingIdentity(ident); 4460 } 4461 } 4462 } 4463 4464 @Override 4465 public final void finishSubActivity(IBinder token, String resultWho, 4466 int requestCode) { 4467 synchronized(this) { 4468 final long origId = Binder.clearCallingIdentity(); 4469 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4470 if (r != null) { 4471 r.task.stack.finishSubActivityLocked(r, resultWho, requestCode); 4472 } 4473 Binder.restoreCallingIdentity(origId); 4474 } 4475 } 4476 4477 @Override 4478 public boolean finishActivityAffinity(IBinder token) { 4479 synchronized(this) { 4480 final long origId = Binder.clearCallingIdentity(); 4481 try { 4482 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4483 4484 ActivityRecord rootR = r.task.getRootActivity(); 4485 // Do not allow task to finish in Lock Task mode. 4486 if (r.task == mStackSupervisor.mLockTaskModeTask) { 4487 if (rootR == r) { 4488 mStackSupervisor.showLockTaskToast(); 4489 return false; 4490 } 4491 } 4492 boolean res = false; 4493 if (r != null) { 4494 res = r.task.stack.finishActivityAffinityLocked(r); 4495 } 4496 return res; 4497 } finally { 4498 Binder.restoreCallingIdentity(origId); 4499 } 4500 } 4501 } 4502 4503 @Override 4504 public void finishVoiceTask(IVoiceInteractionSession session) { 4505 synchronized(this) { 4506 final long origId = Binder.clearCallingIdentity(); 4507 try { 4508 mStackSupervisor.finishVoiceTask(session); 4509 } finally { 4510 Binder.restoreCallingIdentity(origId); 4511 } 4512 } 4513 4514 } 4515 4516 @Override 4517 public boolean releaseActivityInstance(IBinder token) { 4518 synchronized(this) { 4519 final long origId = Binder.clearCallingIdentity(); 4520 try { 4521 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4522 if (r.task == null || r.task.stack == null) { 4523 return false; 4524 } 4525 return r.task.stack.safelyDestroyActivityLocked(r, "app-req"); 4526 } finally { 4527 Binder.restoreCallingIdentity(origId); 4528 } 4529 } 4530 } 4531 4532 @Override 4533 public void releaseSomeActivities(IApplicationThread appInt) { 4534 synchronized(this) { 4535 final long origId = Binder.clearCallingIdentity(); 4536 try { 4537 ProcessRecord app = getRecordForAppLocked(appInt); 4538 mStackSupervisor.releaseSomeActivitiesLocked(app, "low-mem"); 4539 } finally { 4540 Binder.restoreCallingIdentity(origId); 4541 } 4542 } 4543 } 4544 4545 @Override 4546 public boolean willActivityBeVisible(IBinder token) { 4547 synchronized(this) { 4548 ActivityStack stack = ActivityRecord.getStackLocked(token); 4549 if (stack != null) { 4550 return stack.willActivityBeVisibleLocked(token); 4551 } 4552 return false; 4553 } 4554 } 4555 4556 @Override 4557 public void overridePendingTransition(IBinder token, String packageName, 4558 int enterAnim, int exitAnim) { 4559 synchronized(this) { 4560 ActivityRecord self = ActivityRecord.isInStackLocked(token); 4561 if (self == null) { 4562 return; 4563 } 4564 4565 final long origId = Binder.clearCallingIdentity(); 4566 4567 if (self.state == ActivityState.RESUMED 4568 || self.state == ActivityState.PAUSING) { 4569 mWindowManager.overridePendingAppTransition(packageName, 4570 enterAnim, exitAnim, null); 4571 } 4572 4573 Binder.restoreCallingIdentity(origId); 4574 } 4575 } 4576 4577 /** 4578 * Main function for removing an existing process from the activity manager 4579 * as a result of that process going away. Clears out all connections 4580 * to the process. 4581 */ 4582 private final void handleAppDiedLocked(ProcessRecord app, 4583 boolean restarting, boolean allowRestart) { 4584 int pid = app.pid; 4585 cleanUpApplicationRecordLocked(app, restarting, allowRestart, -1); 4586 if (!restarting) { 4587 removeLruProcessLocked(app); 4588 if (pid > 0) { 4589 ProcessList.remove(pid); 4590 } 4591 } 4592 4593 if (mProfileProc == app) { 4594 clearProfilerLocked(); 4595 } 4596 4597 // Remove this application's activities from active lists. 4598 boolean hasVisibleActivities = mStackSupervisor.handleAppDiedLocked(app); 4599 4600 app.activities.clear(); 4601 4602 if (app.instrumentationClass != null) { 4603 Slog.w(TAG, "Crash of app " + app.processName 4604 + " running instrumentation " + app.instrumentationClass); 4605 Bundle info = new Bundle(); 4606 info.putString("shortMsg", "Process crashed."); 4607 finishInstrumentationLocked(app, Activity.RESULT_CANCELED, info); 4608 } 4609 4610 if (!restarting) { 4611 if (!mStackSupervisor.resumeTopActivitiesLocked()) { 4612 // If there was nothing to resume, and we are not already 4613 // restarting this process, but there is a visible activity that 4614 // is hosted by the process... then make sure all visible 4615 // activities are running, taking care of restarting this 4616 // process. 4617 if (hasVisibleActivities) { 4618 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 4619 } 4620 } 4621 } 4622 } 4623 4624 private final int getLRURecordIndexForAppLocked(IApplicationThread thread) { 4625 IBinder threadBinder = thread.asBinder(); 4626 // Find the application record. 4627 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4628 ProcessRecord rec = mLruProcesses.get(i); 4629 if (rec.thread != null && rec.thread.asBinder() == threadBinder) { 4630 return i; 4631 } 4632 } 4633 return -1; 4634 } 4635 4636 final ProcessRecord getRecordForAppLocked( 4637 IApplicationThread thread) { 4638 if (thread == null) { 4639 return null; 4640 } 4641 4642 int appIndex = getLRURecordIndexForAppLocked(thread); 4643 return appIndex >= 0 ? mLruProcesses.get(appIndex) : null; 4644 } 4645 4646 final void doLowMemReportIfNeededLocked(ProcessRecord dyingProc) { 4647 // If there are no longer any background processes running, 4648 // and the app that died was not running instrumentation, 4649 // then tell everyone we are now low on memory. 4650 boolean haveBg = false; 4651 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4652 ProcessRecord rec = mLruProcesses.get(i); 4653 if (rec.thread != null 4654 && rec.setProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 4655 haveBg = true; 4656 break; 4657 } 4658 } 4659 4660 if (!haveBg) { 4661 boolean doReport = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 4662 if (doReport) { 4663 long now = SystemClock.uptimeMillis(); 4664 if (now < (mLastMemUsageReportTime+5*60*1000)) { 4665 doReport = false; 4666 } else { 4667 mLastMemUsageReportTime = now; 4668 } 4669 } 4670 final ArrayList<ProcessMemInfo> memInfos 4671 = doReport ? new ArrayList<ProcessMemInfo>(mLruProcesses.size()) : null; 4672 EventLog.writeEvent(EventLogTags.AM_LOW_MEMORY, mLruProcesses.size()); 4673 long now = SystemClock.uptimeMillis(); 4674 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4675 ProcessRecord rec = mLruProcesses.get(i); 4676 if (rec == dyingProc || rec.thread == null) { 4677 continue; 4678 } 4679 if (doReport) { 4680 memInfos.add(new ProcessMemInfo(rec.processName, rec.pid, rec.setAdj, 4681 rec.setProcState, rec.adjType, rec.makeAdjReason())); 4682 } 4683 if ((rec.lastLowMemory+GC_MIN_INTERVAL) <= now) { 4684 // The low memory report is overriding any current 4685 // state for a GC request. Make sure to do 4686 // heavy/important/visible/foreground processes first. 4687 if (rec.setAdj <= ProcessList.HEAVY_WEIGHT_APP_ADJ) { 4688 rec.lastRequestedGc = 0; 4689 } else { 4690 rec.lastRequestedGc = rec.lastLowMemory; 4691 } 4692 rec.reportLowMemory = true; 4693 rec.lastLowMemory = now; 4694 mProcessesToGc.remove(rec); 4695 addProcessToGcListLocked(rec); 4696 } 4697 } 4698 if (doReport) { 4699 Message msg = mHandler.obtainMessage(REPORT_MEM_USAGE_MSG, memInfos); 4700 mHandler.sendMessage(msg); 4701 } 4702 scheduleAppGcsLocked(); 4703 } 4704 } 4705 4706 final void appDiedLocked(ProcessRecord app) { 4707 appDiedLocked(app, app.pid, app.thread); 4708 } 4709 4710 final void appDiedLocked(ProcessRecord app, int pid, 4711 IApplicationThread thread) { 4712 4713 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 4714 synchronized (stats) { 4715 stats.noteProcessDiedLocked(app.info.uid, pid); 4716 } 4717 4718 Process.killProcessGroup(app.info.uid, pid); 4719 4720 // Clean up already done if the process has been re-started. 4721 if (app.pid == pid && app.thread != null && 4722 app.thread.asBinder() == thread.asBinder()) { 4723 boolean doLowMem = app.instrumentationClass == null; 4724 boolean doOomAdj = doLowMem; 4725 if (!app.killedByAm) { 4726 Slog.i(TAG, "Process " + app.processName + " (pid " + pid 4727 + ") has died."); 4728 mAllowLowerMemLevel = true; 4729 } else { 4730 // Note that we always want to do oom adj to update our state with the 4731 // new number of procs. 4732 mAllowLowerMemLevel = false; 4733 doLowMem = false; 4734 } 4735 EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); 4736 if (DEBUG_CLEANUP) Slog.v( 4737 TAG, "Dying app: " + app + ", pid: " + pid 4738 + ", thread: " + thread.asBinder()); 4739 handleAppDiedLocked(app, false, true); 4740 4741 if (doOomAdj) { 4742 updateOomAdjLocked(); 4743 } 4744 if (doLowMem) { 4745 doLowMemReportIfNeededLocked(app); 4746 } 4747 } else if (app.pid != pid) { 4748 // A new process has already been started. 4749 Slog.i(TAG, "Process " + app.processName + " (pid " + pid 4750 + ") has died and restarted (pid " + app.pid + ")."); 4751 EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); 4752 } else if (DEBUG_PROCESSES) { 4753 Slog.d(TAG, "Received spurious death notification for thread " 4754 + thread.asBinder()); 4755 } 4756 } 4757 4758 /** 4759 * If a stack trace dump file is configured, dump process stack traces. 4760 * @param clearTraces causes the dump file to be erased prior to the new 4761 * traces being written, if true; when false, the new traces will be 4762 * appended to any existing file content. 4763 * @param firstPids of dalvik VM processes to dump stack traces for first 4764 * @param lastPids of dalvik VM processes to dump stack traces for last 4765 * @param nativeProcs optional list of native process names to dump stack crawls 4766 * @return file containing stack traces, or null if no dump file is configured 4767 */ 4768 public static File dumpStackTraces(boolean clearTraces, ArrayList<Integer> firstPids, 4769 ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs) { 4770 String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); 4771 if (tracesPath == null || tracesPath.length() == 0) { 4772 return null; 4773 } 4774 4775 File tracesFile = new File(tracesPath); 4776 try { 4777 File tracesDir = tracesFile.getParentFile(); 4778 if (!tracesDir.exists()) { 4779 tracesFile.mkdirs(); 4780 if (!SELinux.restorecon(tracesDir)) { 4781 return null; 4782 } 4783 } 4784 FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x 4785 4786 if (clearTraces && tracesFile.exists()) tracesFile.delete(); 4787 tracesFile.createNewFile(); 4788 FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- 4789 } catch (IOException e) { 4790 Slog.w(TAG, "Unable to prepare ANR traces file: " + tracesPath, e); 4791 return null; 4792 } 4793 4794 dumpStackTraces(tracesPath, firstPids, processCpuTracker, lastPids, nativeProcs); 4795 return tracesFile; 4796 } 4797 4798 private static void dumpStackTraces(String tracesPath, ArrayList<Integer> firstPids, 4799 ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs) { 4800 // Use a FileObserver to detect when traces finish writing. 4801 // The order of traces is considered important to maintain for legibility. 4802 FileObserver observer = new FileObserver(tracesPath, FileObserver.CLOSE_WRITE) { 4803 @Override 4804 public synchronized void onEvent(int event, String path) { notify(); } 4805 }; 4806 4807 try { 4808 observer.startWatching(); 4809 4810 // First collect all of the stacks of the most important pids. 4811 if (firstPids != null) { 4812 try { 4813 int num = firstPids.size(); 4814 for (int i = 0; i < num; i++) { 4815 synchronized (observer) { 4816 Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT); 4817 observer.wait(200); // Wait for write-close, give up after 200msec 4818 } 4819 } 4820 } catch (InterruptedException e) { 4821 Log.wtf(TAG, e); 4822 } 4823 } 4824 4825 // Next collect the stacks of the native pids 4826 if (nativeProcs != null) { 4827 int[] pids = Process.getPidsForCommands(nativeProcs); 4828 if (pids != null) { 4829 for (int pid : pids) { 4830 Debug.dumpNativeBacktraceToFile(pid, tracesPath); 4831 } 4832 } 4833 } 4834 4835 // Lastly, measure CPU usage. 4836 if (processCpuTracker != null) { 4837 processCpuTracker.init(); 4838 System.gc(); 4839 processCpuTracker.update(); 4840 try { 4841 synchronized (processCpuTracker) { 4842 processCpuTracker.wait(500); // measure over 1/2 second. 4843 } 4844 } catch (InterruptedException e) { 4845 } 4846 processCpuTracker.update(); 4847 4848 // We'll take the stack crawls of just the top apps using CPU. 4849 final int N = processCpuTracker.countWorkingStats(); 4850 int numProcs = 0; 4851 for (int i=0; i<N && numProcs<5; i++) { 4852 ProcessCpuTracker.Stats stats = processCpuTracker.getWorkingStats(i); 4853 if (lastPids.indexOfKey(stats.pid) >= 0) { 4854 numProcs++; 4855 try { 4856 synchronized (observer) { 4857 Process.sendSignal(stats.pid, Process.SIGNAL_QUIT); 4858 observer.wait(200); // Wait for write-close, give up after 200msec 4859 } 4860 } catch (InterruptedException e) { 4861 Log.wtf(TAG, e); 4862 } 4863 4864 } 4865 } 4866 } 4867 } finally { 4868 observer.stopWatching(); 4869 } 4870 } 4871 4872 final void logAppTooSlow(ProcessRecord app, long startTime, String msg) { 4873 if (true || IS_USER_BUILD) { 4874 return; 4875 } 4876 String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); 4877 if (tracesPath == null || tracesPath.length() == 0) { 4878 return; 4879 } 4880 4881 StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); 4882 StrictMode.allowThreadDiskWrites(); 4883 try { 4884 final File tracesFile = new File(tracesPath); 4885 final File tracesDir = tracesFile.getParentFile(); 4886 final File tracesTmp = new File(tracesDir, "__tmp__"); 4887 try { 4888 if (!tracesDir.exists()) { 4889 tracesFile.mkdirs(); 4890 if (!SELinux.restorecon(tracesDir.getPath())) { 4891 return; 4892 } 4893 } 4894 FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x 4895 4896 if (tracesFile.exists()) { 4897 tracesTmp.delete(); 4898 tracesFile.renameTo(tracesTmp); 4899 } 4900 StringBuilder sb = new StringBuilder(); 4901 Time tobj = new Time(); 4902 tobj.set(System.currentTimeMillis()); 4903 sb.append(tobj.format("%Y-%m-%d %H:%M:%S")); 4904 sb.append(": "); 4905 TimeUtils.formatDuration(SystemClock.uptimeMillis()-startTime, sb); 4906 sb.append(" since "); 4907 sb.append(msg); 4908 FileOutputStream fos = new FileOutputStream(tracesFile); 4909 fos.write(sb.toString().getBytes()); 4910 if (app == null) { 4911 fos.write("\n*** No application process!".getBytes()); 4912 } 4913 fos.close(); 4914 FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- 4915 } catch (IOException e) { 4916 Slog.w(TAG, "Unable to prepare slow app traces file: " + tracesPath, e); 4917 return; 4918 } 4919 4920 if (app != null) { 4921 ArrayList<Integer> firstPids = new ArrayList<Integer>(); 4922 firstPids.add(app.pid); 4923 dumpStackTraces(tracesPath, firstPids, null, null, null); 4924 } 4925 4926 File lastTracesFile = null; 4927 File curTracesFile = null; 4928 for (int i=9; i>=0; i--) { 4929 String name = String.format(Locale.US, "slow%02d.txt", i); 4930 curTracesFile = new File(tracesDir, name); 4931 if (curTracesFile.exists()) { 4932 if (lastTracesFile != null) { 4933 curTracesFile.renameTo(lastTracesFile); 4934 } else { 4935 curTracesFile.delete(); 4936 } 4937 } 4938 lastTracesFile = curTracesFile; 4939 } 4940 tracesFile.renameTo(curTracesFile); 4941 if (tracesTmp.exists()) { 4942 tracesTmp.renameTo(tracesFile); 4943 } 4944 } finally { 4945 StrictMode.setThreadPolicy(oldPolicy); 4946 } 4947 } 4948 4949 final void appNotResponding(ProcessRecord app, ActivityRecord activity, 4950 ActivityRecord parent, boolean aboveSystem, final String annotation) { 4951 ArrayList<Integer> firstPids = new ArrayList<Integer>(5); 4952 SparseArray<Boolean> lastPids = new SparseArray<Boolean>(20); 4953 4954 if (mController != null) { 4955 try { 4956 // 0 == continue, -1 = kill process immediately 4957 int res = mController.appEarlyNotResponding(app.processName, app.pid, annotation); 4958 if (res < 0 && app.pid != MY_PID) { 4959 app.kill("anr", true); 4960 } 4961 } catch (RemoteException e) { 4962 mController = null; 4963 Watchdog.getInstance().setActivityController(null); 4964 } 4965 } 4966 4967 long anrTime = SystemClock.uptimeMillis(); 4968 if (MONITOR_CPU_USAGE) { 4969 updateCpuStatsNow(); 4970 } 4971 4972 synchronized (this) { 4973 // PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down. 4974 if (mShuttingDown) { 4975 Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation); 4976 return; 4977 } else if (app.notResponding) { 4978 Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation); 4979 return; 4980 } else if (app.crashing) { 4981 Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation); 4982 return; 4983 } 4984 4985 // In case we come through here for the same app before completing 4986 // this one, mark as anring now so we will bail out. 4987 app.notResponding = true; 4988 4989 // Log the ANR to the event log. 4990 EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid, 4991 app.processName, app.info.flags, annotation); 4992 4993 // Dump thread traces as quickly as we can, starting with "interesting" processes. 4994 firstPids.add(app.pid); 4995 4996 int parentPid = app.pid; 4997 if (parent != null && parent.app != null && parent.app.pid > 0) parentPid = parent.app.pid; 4998 if (parentPid != app.pid) firstPids.add(parentPid); 4999 5000 if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID); 5001 5002 for (int i = mLruProcesses.size() - 1; i >= 0; i--) { 5003 ProcessRecord r = mLruProcesses.get(i); 5004 if (r != null && r.thread != null) { 5005 int pid = r.pid; 5006 if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) { 5007 if (r.persistent) { 5008 firstPids.add(pid); 5009 } else { 5010 lastPids.put(pid, Boolean.TRUE); 5011 } 5012 } 5013 } 5014 } 5015 } 5016 5017 // Log the ANR to the main log. 5018 StringBuilder info = new StringBuilder(); 5019 info.setLength(0); 5020 info.append("ANR in ").append(app.processName); 5021 if (activity != null && activity.shortComponentName != null) { 5022 info.append(" (").append(activity.shortComponentName).append(")"); 5023 } 5024 info.append("\n"); 5025 info.append("PID: ").append(app.pid).append("\n"); 5026 if (annotation != null) { 5027 info.append("Reason: ").append(annotation).append("\n"); 5028 } 5029 if (parent != null && parent != activity) { 5030 info.append("Parent: ").append(parent.shortComponentName).append("\n"); 5031 } 5032 5033 final ProcessCpuTracker processCpuTracker = new ProcessCpuTracker(true); 5034 5035 File tracesFile = dumpStackTraces(true, firstPids, processCpuTracker, lastPids, 5036 NATIVE_STACKS_OF_INTEREST); 5037 5038 String cpuInfo = null; 5039 if (MONITOR_CPU_USAGE) { 5040 updateCpuStatsNow(); 5041 synchronized (mProcessCpuThread) { 5042 cpuInfo = mProcessCpuTracker.printCurrentState(anrTime); 5043 } 5044 info.append(processCpuTracker.printCurrentLoad()); 5045 info.append(cpuInfo); 5046 } 5047 5048 info.append(processCpuTracker.printCurrentState(anrTime)); 5049 5050 Slog.e(TAG, info.toString()); 5051 if (tracesFile == null) { 5052 // There is no trace file, so dump (only) the alleged culprit's threads to the log 5053 Process.sendSignal(app.pid, Process.SIGNAL_QUIT); 5054 } 5055 5056 addErrorToDropBox("anr", app, app.processName, activity, parent, annotation, 5057 cpuInfo, tracesFile, null); 5058 5059 if (mController != null) { 5060 try { 5061 // 0 == show dialog, 1 = keep waiting, -1 = kill process immediately 5062 int res = mController.appNotResponding(app.processName, app.pid, info.toString()); 5063 if (res != 0) { 5064 if (res < 0 && app.pid != MY_PID) { 5065 app.kill("anr", true); 5066 } else { 5067 synchronized (this) { 5068 mServices.scheduleServiceTimeoutLocked(app); 5069 } 5070 } 5071 return; 5072 } 5073 } catch (RemoteException e) { 5074 mController = null; 5075 Watchdog.getInstance().setActivityController(null); 5076 } 5077 } 5078 5079 // Unless configured otherwise, swallow ANRs in background processes & kill the process. 5080 boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), 5081 Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; 5082 5083 synchronized (this) { 5084 if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) { 5085 app.kill("bg anr", true); 5086 return; 5087 } 5088 5089 // Set the app's notResponding state, and look up the errorReportReceiver 5090 makeAppNotRespondingLocked(app, 5091 activity != null ? activity.shortComponentName : null, 5092 annotation != null ? "ANR " + annotation : "ANR", 5093 info.toString()); 5094 5095 // Bring up the infamous App Not Responding dialog 5096 Message msg = Message.obtain(); 5097 HashMap<String, Object> map = new HashMap<String, Object>(); 5098 msg.what = SHOW_NOT_RESPONDING_MSG; 5099 msg.obj = map; 5100 msg.arg1 = aboveSystem ? 1 : 0; 5101 map.put("app", app); 5102 if (activity != null) { 5103 map.put("activity", activity); 5104 } 5105 5106 mHandler.sendMessage(msg); 5107 } 5108 } 5109 5110 final void showLaunchWarningLocked(final ActivityRecord cur, final ActivityRecord next) { 5111 if (!mLaunchWarningShown) { 5112 mLaunchWarningShown = true; 5113 mHandler.post(new Runnable() { 5114 @Override 5115 public void run() { 5116 synchronized (ActivityManagerService.this) { 5117 final Dialog d = new LaunchWarningWindow(mContext, cur, next); 5118 d.show(); 5119 mHandler.postDelayed(new Runnable() { 5120 @Override 5121 public void run() { 5122 synchronized (ActivityManagerService.this) { 5123 d.dismiss(); 5124 mLaunchWarningShown = false; 5125 } 5126 } 5127 }, 4000); 5128 } 5129 } 5130 }); 5131 } 5132 } 5133 5134 @Override 5135 public boolean clearApplicationUserData(final String packageName, 5136 final IPackageDataObserver observer, int userId) { 5137 enforceNotIsolatedCaller("clearApplicationUserData"); 5138 int uid = Binder.getCallingUid(); 5139 int pid = Binder.getCallingPid(); 5140 userId = handleIncomingUser(pid, uid, 5141 userId, false, ALLOW_FULL_ONLY, "clearApplicationUserData", null); 5142 long callingId = Binder.clearCallingIdentity(); 5143 try { 5144 IPackageManager pm = AppGlobals.getPackageManager(); 5145 int pkgUid = -1; 5146 synchronized(this) { 5147 try { 5148 pkgUid = pm.getPackageUid(packageName, userId); 5149 } catch (RemoteException e) { 5150 } 5151 if (pkgUid == -1) { 5152 Slog.w(TAG, "Invalid packageName: " + packageName); 5153 if (observer != null) { 5154 try { 5155 observer.onRemoveCompleted(packageName, false); 5156 } catch (RemoteException e) { 5157 Slog.i(TAG, "Observer no longer exists."); 5158 } 5159 } 5160 return false; 5161 } 5162 if (uid == pkgUid || checkComponentPermission( 5163 android.Manifest.permission.CLEAR_APP_USER_DATA, 5164 pid, uid, -1, true) 5165 == PackageManager.PERMISSION_GRANTED) { 5166 forceStopPackageLocked(packageName, pkgUid, "clear data"); 5167 } else { 5168 throw new SecurityException("PID " + pid + " does not have permission " 5169 + android.Manifest.permission.CLEAR_APP_USER_DATA + " to clear data" 5170 + " of package " + packageName); 5171 } 5172 5173 // Remove all tasks match the cleared application package and user 5174 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 5175 final TaskRecord tr = mRecentTasks.get(i); 5176 final String taskPackageName = 5177 tr.getBaseIntent().getComponent().getPackageName(); 5178 if (tr.userId != userId) continue; 5179 if (!taskPackageName.equals(packageName)) continue; 5180 removeTaskByIdLocked(tr.taskId, 0); 5181 } 5182 } 5183 5184 try { 5185 // Clear application user data 5186 pm.clearApplicationUserData(packageName, observer, userId); 5187 5188 synchronized(this) { 5189 // Remove all permissions granted from/to this package 5190 removeUriPermissionsForPackageLocked(packageName, userId, true); 5191 } 5192 5193 Intent intent = new Intent(Intent.ACTION_PACKAGE_DATA_CLEARED, 5194 Uri.fromParts("package", packageName, null)); 5195 intent.putExtra(Intent.EXTRA_UID, pkgUid); 5196 broadcastIntentInPackage("android", Process.SYSTEM_UID, intent, 5197 null, null, 0, null, null, null, false, false, userId); 5198 } catch (RemoteException e) { 5199 } 5200 } finally { 5201 Binder.restoreCallingIdentity(callingId); 5202 } 5203 return true; 5204 } 5205 5206 @Override 5207 public void killBackgroundProcesses(final String packageName, int userId) { 5208 if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) 5209 != PackageManager.PERMISSION_GRANTED && 5210 checkCallingPermission(android.Manifest.permission.RESTART_PACKAGES) 5211 != PackageManager.PERMISSION_GRANTED) { 5212 String msg = "Permission Denial: killBackgroundProcesses() from pid=" 5213 + Binder.getCallingPid() 5214 + ", uid=" + Binder.getCallingUid() 5215 + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; 5216 Slog.w(TAG, msg); 5217 throw new SecurityException(msg); 5218 } 5219 5220 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 5221 userId, true, ALLOW_FULL_ONLY, "killBackgroundProcesses", null); 5222 long callingId = Binder.clearCallingIdentity(); 5223 try { 5224 IPackageManager pm = AppGlobals.getPackageManager(); 5225 synchronized(this) { 5226 int appId = -1; 5227 try { 5228 appId = UserHandle.getAppId(pm.getPackageUid(packageName, 0)); 5229 } catch (RemoteException e) { 5230 } 5231 if (appId == -1) { 5232 Slog.w(TAG, "Invalid packageName: " + packageName); 5233 return; 5234 } 5235 killPackageProcessesLocked(packageName, appId, userId, 5236 ProcessList.SERVICE_ADJ, false, true, true, false, "kill background"); 5237 } 5238 } finally { 5239 Binder.restoreCallingIdentity(callingId); 5240 } 5241 } 5242 5243 @Override 5244 public void killAllBackgroundProcesses() { 5245 if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) 5246 != PackageManager.PERMISSION_GRANTED) { 5247 String msg = "Permission Denial: killAllBackgroundProcesses() from pid=" 5248 + Binder.getCallingPid() 5249 + ", uid=" + Binder.getCallingUid() 5250 + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; 5251 Slog.w(TAG, msg); 5252 throw new SecurityException(msg); 5253 } 5254 5255 long callingId = Binder.clearCallingIdentity(); 5256 try { 5257 synchronized(this) { 5258 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 5259 final int NP = mProcessNames.getMap().size(); 5260 for (int ip=0; ip<NP; ip++) { 5261 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 5262 final int NA = apps.size(); 5263 for (int ia=0; ia<NA; ia++) { 5264 ProcessRecord app = apps.valueAt(ia); 5265 if (app.persistent) { 5266 // we don't kill persistent processes 5267 continue; 5268 } 5269 if (app.removed) { 5270 procs.add(app); 5271 } else if (app.setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 5272 app.removed = true; 5273 procs.add(app); 5274 } 5275 } 5276 } 5277 5278 int N = procs.size(); 5279 for (int i=0; i<N; i++) { 5280 removeProcessLocked(procs.get(i), false, true, "kill all background"); 5281 } 5282 mAllowLowerMemLevel = true; 5283 updateOomAdjLocked(); 5284 doLowMemReportIfNeededLocked(null); 5285 } 5286 } finally { 5287 Binder.restoreCallingIdentity(callingId); 5288 } 5289 } 5290 5291 @Override 5292 public void forceStopPackage(final String packageName, int userId) { 5293 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 5294 != PackageManager.PERMISSION_GRANTED) { 5295 String msg = "Permission Denial: forceStopPackage() from pid=" 5296 + Binder.getCallingPid() 5297 + ", uid=" + Binder.getCallingUid() 5298 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 5299 Slog.w(TAG, msg); 5300 throw new SecurityException(msg); 5301 } 5302 final int callingPid = Binder.getCallingPid(); 5303 userId = handleIncomingUser(callingPid, Binder.getCallingUid(), 5304 userId, true, ALLOW_FULL_ONLY, "forceStopPackage", null); 5305 long callingId = Binder.clearCallingIdentity(); 5306 try { 5307 IPackageManager pm = AppGlobals.getPackageManager(); 5308 synchronized(this) { 5309 int[] users = userId == UserHandle.USER_ALL 5310 ? getUsersLocked() : new int[] { userId }; 5311 for (int user : users) { 5312 int pkgUid = -1; 5313 try { 5314 pkgUid = pm.getPackageUid(packageName, user); 5315 } catch (RemoteException e) { 5316 } 5317 if (pkgUid == -1) { 5318 Slog.w(TAG, "Invalid packageName: " + packageName); 5319 continue; 5320 } 5321 try { 5322 pm.setPackageStoppedState(packageName, true, user); 5323 } catch (RemoteException e) { 5324 } catch (IllegalArgumentException e) { 5325 Slog.w(TAG, "Failed trying to unstop package " 5326 + packageName + ": " + e); 5327 } 5328 if (isUserRunningLocked(user, false)) { 5329 forceStopPackageLocked(packageName, pkgUid, "from pid " + callingPid); 5330 } 5331 } 5332 } 5333 } finally { 5334 Binder.restoreCallingIdentity(callingId); 5335 } 5336 } 5337 5338 @Override 5339 public void addPackageDependency(String packageName) { 5340 synchronized (this) { 5341 int callingPid = Binder.getCallingPid(); 5342 if (callingPid == Process.myPid()) { 5343 // Yeah, um, no. 5344 Slog.w(TAG, "Can't addPackageDependency on system process"); 5345 return; 5346 } 5347 ProcessRecord proc; 5348 synchronized (mPidsSelfLocked) { 5349 proc = mPidsSelfLocked.get(Binder.getCallingPid()); 5350 } 5351 if (proc != null) { 5352 if (proc.pkgDeps == null) { 5353 proc.pkgDeps = new ArraySet<String>(1); 5354 } 5355 proc.pkgDeps.add(packageName); 5356 } 5357 } 5358 } 5359 5360 /* 5361 * The pkg name and app id have to be specified. 5362 */ 5363 @Override 5364 public void killApplicationWithAppId(String pkg, int appid, String reason) { 5365 if (pkg == null) { 5366 return; 5367 } 5368 // Make sure the uid is valid. 5369 if (appid < 0) { 5370 Slog.w(TAG, "Invalid appid specified for pkg : " + pkg); 5371 return; 5372 } 5373 int callerUid = Binder.getCallingUid(); 5374 // Only the system server can kill an application 5375 if (callerUid == Process.SYSTEM_UID) { 5376 // Post an aysnc message to kill the application 5377 Message msg = mHandler.obtainMessage(KILL_APPLICATION_MSG); 5378 msg.arg1 = appid; 5379 msg.arg2 = 0; 5380 Bundle bundle = new Bundle(); 5381 bundle.putString("pkg", pkg); 5382 bundle.putString("reason", reason); 5383 msg.obj = bundle; 5384 mHandler.sendMessage(msg); 5385 } else { 5386 throw new SecurityException(callerUid + " cannot kill pkg: " + 5387 pkg); 5388 } 5389 } 5390 5391 @Override 5392 public void closeSystemDialogs(String reason) { 5393 enforceNotIsolatedCaller("closeSystemDialogs"); 5394 5395 final int pid = Binder.getCallingPid(); 5396 final int uid = Binder.getCallingUid(); 5397 final long origId = Binder.clearCallingIdentity(); 5398 try { 5399 synchronized (this) { 5400 // Only allow this from foreground processes, so that background 5401 // applications can't abuse it to prevent system UI from being shown. 5402 if (uid >= Process.FIRST_APPLICATION_UID) { 5403 ProcessRecord proc; 5404 synchronized (mPidsSelfLocked) { 5405 proc = mPidsSelfLocked.get(pid); 5406 } 5407 if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 5408 Slog.w(TAG, "Ignoring closeSystemDialogs " + reason 5409 + " from background process " + proc); 5410 return; 5411 } 5412 } 5413 closeSystemDialogsLocked(reason); 5414 } 5415 } finally { 5416 Binder.restoreCallingIdentity(origId); 5417 } 5418 } 5419 5420 void closeSystemDialogsLocked(String reason) { 5421 Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 5422 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5423 | Intent.FLAG_RECEIVER_FOREGROUND); 5424 if (reason != null) { 5425 intent.putExtra("reason", reason); 5426 } 5427 mWindowManager.closeSystemDialogs(reason); 5428 5429 mStackSupervisor.closeSystemDialogsLocked(); 5430 5431 broadcastIntentLocked(null, null, intent, null, 5432 null, 0, null, null, null, AppOpsManager.OP_NONE, false, false, -1, 5433 Process.SYSTEM_UID, UserHandle.USER_ALL); 5434 } 5435 5436 @Override 5437 public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { 5438 enforceNotIsolatedCaller("getProcessMemoryInfo"); 5439 Debug.MemoryInfo[] infos = new Debug.MemoryInfo[pids.length]; 5440 for (int i=pids.length-1; i>=0; i--) { 5441 ProcessRecord proc; 5442 int oomAdj; 5443 synchronized (this) { 5444 synchronized (mPidsSelfLocked) { 5445 proc = mPidsSelfLocked.get(pids[i]); 5446 oomAdj = proc != null ? proc.setAdj : 0; 5447 } 5448 } 5449 infos[i] = new Debug.MemoryInfo(); 5450 Debug.getMemoryInfo(pids[i], infos[i]); 5451 if (proc != null) { 5452 synchronized (this) { 5453 if (proc.thread != null && proc.setAdj == oomAdj) { 5454 // Record this for posterity if the process has been stable. 5455 proc.baseProcessTracker.addPss(infos[i].getTotalPss(), 5456 infos[i].getTotalUss(), false, proc.pkgList); 5457 } 5458 } 5459 } 5460 } 5461 return infos; 5462 } 5463 5464 @Override 5465 public long[] getProcessPss(int[] pids) { 5466 enforceNotIsolatedCaller("getProcessPss"); 5467 long[] pss = new long[pids.length]; 5468 for (int i=pids.length-1; i>=0; i--) { 5469 ProcessRecord proc; 5470 int oomAdj; 5471 synchronized (this) { 5472 synchronized (mPidsSelfLocked) { 5473 proc = mPidsSelfLocked.get(pids[i]); 5474 oomAdj = proc != null ? proc.setAdj : 0; 5475 } 5476 } 5477 long[] tmpUss = new long[1]; 5478 pss[i] = Debug.getPss(pids[i], tmpUss); 5479 if (proc != null) { 5480 synchronized (this) { 5481 if (proc.thread != null && proc.setAdj == oomAdj) { 5482 // Record this for posterity if the process has been stable. 5483 proc.baseProcessTracker.addPss(pss[i], tmpUss[0], false, proc.pkgList); 5484 } 5485 } 5486 } 5487 } 5488 return pss; 5489 } 5490 5491 @Override 5492 public void killApplicationProcess(String processName, int uid) { 5493 if (processName == null) { 5494 return; 5495 } 5496 5497 int callerUid = Binder.getCallingUid(); 5498 // Only the system server can kill an application 5499 if (callerUid == Process.SYSTEM_UID) { 5500 synchronized (this) { 5501 ProcessRecord app = getProcessRecordLocked(processName, uid, true); 5502 if (app != null && app.thread != null) { 5503 try { 5504 app.thread.scheduleSuicide(); 5505 } catch (RemoteException e) { 5506 // If the other end already died, then our work here is done. 5507 } 5508 } else { 5509 Slog.w(TAG, "Process/uid not found attempting kill of " 5510 + processName + " / " + uid); 5511 } 5512 } 5513 } else { 5514 throw new SecurityException(callerUid + " cannot kill app process: " + 5515 processName); 5516 } 5517 } 5518 5519 private void forceStopPackageLocked(final String packageName, int uid, String reason) { 5520 forceStopPackageLocked(packageName, UserHandle.getAppId(uid), false, 5521 false, true, false, false, UserHandle.getUserId(uid), reason); 5522 Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, 5523 Uri.fromParts("package", packageName, null)); 5524 if (!mProcessesReady) { 5525 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5526 | Intent.FLAG_RECEIVER_FOREGROUND); 5527 } 5528 intent.putExtra(Intent.EXTRA_UID, uid); 5529 intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(uid)); 5530 broadcastIntentLocked(null, null, intent, 5531 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 5532 false, false, 5533 MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid)); 5534 } 5535 5536 private void forceStopUserLocked(int userId, String reason) { 5537 forceStopPackageLocked(null, -1, false, false, true, false, false, userId, reason); 5538 Intent intent = new Intent(Intent.ACTION_USER_STOPPED); 5539 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5540 | Intent.FLAG_RECEIVER_FOREGROUND); 5541 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 5542 broadcastIntentLocked(null, null, intent, 5543 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 5544 false, false, 5545 MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 5546 } 5547 5548 private final boolean killPackageProcessesLocked(String packageName, int appId, 5549 int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart, 5550 boolean doit, boolean evenPersistent, String reason) { 5551 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 5552 5553 // Remove all processes this package may have touched: all with the 5554 // same UID (except for the system or root user), and all whose name 5555 // matches the package name. 5556 final int NP = mProcessNames.getMap().size(); 5557 for (int ip=0; ip<NP; ip++) { 5558 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 5559 final int NA = apps.size(); 5560 for (int ia=0; ia<NA; ia++) { 5561 ProcessRecord app = apps.valueAt(ia); 5562 if (app.persistent && !evenPersistent) { 5563 // we don't kill persistent processes 5564 continue; 5565 } 5566 if (app.removed) { 5567 if (doit) { 5568 procs.add(app); 5569 } 5570 continue; 5571 } 5572 5573 // Skip process if it doesn't meet our oom adj requirement. 5574 if (app.setAdj < minOomAdj) { 5575 continue; 5576 } 5577 5578 // If no package is specified, we call all processes under the 5579 // give user id. 5580 if (packageName == null) { 5581 if (app.userId != userId) { 5582 continue; 5583 } 5584 if (appId >= 0 && UserHandle.getAppId(app.uid) != appId) { 5585 continue; 5586 } 5587 // Package has been specified, we want to hit all processes 5588 // that match it. We need to qualify this by the processes 5589 // that are running under the specified app and user ID. 5590 } else { 5591 final boolean isDep = app.pkgDeps != null 5592 && app.pkgDeps.contains(packageName); 5593 if (!isDep && UserHandle.getAppId(app.uid) != appId) { 5594 continue; 5595 } 5596 if (userId != UserHandle.USER_ALL && app.userId != userId) { 5597 continue; 5598 } 5599 if (!app.pkgList.containsKey(packageName) && !isDep) { 5600 continue; 5601 } 5602 } 5603 5604 // Process has passed all conditions, kill it! 5605 if (!doit) { 5606 return true; 5607 } 5608 app.removed = true; 5609 procs.add(app); 5610 } 5611 } 5612 5613 int N = procs.size(); 5614 for (int i=0; i<N; i++) { 5615 removeProcessLocked(procs.get(i), callerWillRestart, allowRestart, reason); 5616 } 5617 updateOomAdjLocked(); 5618 return N > 0; 5619 } 5620 5621 private final boolean forceStopPackageLocked(String name, int appId, 5622 boolean callerWillRestart, boolean purgeCache, boolean doit, 5623 boolean evenPersistent, boolean uninstalling, int userId, String reason) { 5624 int i; 5625 int N; 5626 5627 if (userId == UserHandle.USER_ALL && name == null) { 5628 Slog.w(TAG, "Can't force stop all processes of all users, that is insane!"); 5629 } 5630 5631 if (appId < 0 && name != null) { 5632 try { 5633 appId = UserHandle.getAppId( 5634 AppGlobals.getPackageManager().getPackageUid(name, 0)); 5635 } catch (RemoteException e) { 5636 } 5637 } 5638 5639 if (doit) { 5640 if (name != null) { 5641 Slog.i(TAG, "Force stopping " + name + " appid=" + appId 5642 + " user=" + userId + ": " + reason); 5643 } else { 5644 Slog.i(TAG, "Force stopping u" + userId + ": " + reason); 5645 } 5646 5647 final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap(); 5648 for (int ip=pmap.size()-1; ip>=0; ip--) { 5649 SparseArray<Long> ba = pmap.valueAt(ip); 5650 for (i=ba.size()-1; i>=0; i--) { 5651 boolean remove = false; 5652 final int entUid = ba.keyAt(i); 5653 if (name != null) { 5654 if (userId == UserHandle.USER_ALL) { 5655 if (UserHandle.getAppId(entUid) == appId) { 5656 remove = true; 5657 } 5658 } else { 5659 if (entUid == UserHandle.getUid(userId, appId)) { 5660 remove = true; 5661 } 5662 } 5663 } else if (UserHandle.getUserId(entUid) == userId) { 5664 remove = true; 5665 } 5666 if (remove) { 5667 ba.removeAt(i); 5668 } 5669 } 5670 if (ba.size() == 0) { 5671 pmap.removeAt(ip); 5672 } 5673 } 5674 } 5675 5676 boolean didSomething = killPackageProcessesLocked(name, appId, userId, 5677 -100, callerWillRestart, true, doit, evenPersistent, 5678 name == null ? ("stop user " + userId) : ("stop " + name)); 5679 5680 if (mStackSupervisor.forceStopPackageLocked(name, doit, evenPersistent, userId)) { 5681 if (!doit) { 5682 return true; 5683 } 5684 didSomething = true; 5685 } 5686 5687 if (mServices.forceStopLocked(name, userId, evenPersistent, doit)) { 5688 if (!doit) { 5689 return true; 5690 } 5691 didSomething = true; 5692 } 5693 5694 if (name == null) { 5695 // Remove all sticky broadcasts from this user. 5696 mStickyBroadcasts.remove(userId); 5697 } 5698 5699 ArrayList<ContentProviderRecord> providers = new ArrayList<ContentProviderRecord>(); 5700 if (mProviderMap.collectForceStopProviders(name, appId, doit, evenPersistent, 5701 userId, providers)) { 5702 if (!doit) { 5703 return true; 5704 } 5705 didSomething = true; 5706 } 5707 N = providers.size(); 5708 for (i=0; i<N; i++) { 5709 removeDyingProviderLocked(null, providers.get(i), true); 5710 } 5711 5712 // Remove transient permissions granted from/to this package/user 5713 removeUriPermissionsForPackageLocked(name, userId, false); 5714 5715 if (name == null || uninstalling) { 5716 // Remove pending intents. For now we only do this when force 5717 // stopping users, because we have some problems when doing this 5718 // for packages -- app widgets are not currently cleaned up for 5719 // such packages, so they can be left with bad pending intents. 5720 if (mIntentSenderRecords.size() > 0) { 5721 Iterator<WeakReference<PendingIntentRecord>> it 5722 = mIntentSenderRecords.values().iterator(); 5723 while (it.hasNext()) { 5724 WeakReference<PendingIntentRecord> wpir = it.next(); 5725 if (wpir == null) { 5726 it.remove(); 5727 continue; 5728 } 5729 PendingIntentRecord pir = wpir.get(); 5730 if (pir == null) { 5731 it.remove(); 5732 continue; 5733 } 5734 if (name == null) { 5735 // Stopping user, remove all objects for the user. 5736 if (pir.key.userId != userId) { 5737 // Not the same user, skip it. 5738 continue; 5739 } 5740 } else { 5741 if (UserHandle.getAppId(pir.uid) != appId) { 5742 // Different app id, skip it. 5743 continue; 5744 } 5745 if (userId != UserHandle.USER_ALL && pir.key.userId != userId) { 5746 // Different user, skip it. 5747 continue; 5748 } 5749 if (!pir.key.packageName.equals(name)) { 5750 // Different package, skip it. 5751 continue; 5752 } 5753 } 5754 if (!doit) { 5755 return true; 5756 } 5757 didSomething = true; 5758 it.remove(); 5759 pir.canceled = true; 5760 if (pir.key.activity != null) { 5761 pir.key.activity.pendingResults.remove(pir.ref); 5762 } 5763 } 5764 } 5765 } 5766 5767 if (doit) { 5768 if (purgeCache && name != null) { 5769 AttributeCache ac = AttributeCache.instance(); 5770 if (ac != null) { 5771 ac.removePackage(name); 5772 } 5773 } 5774 if (mBooted) { 5775 mStackSupervisor.resumeTopActivitiesLocked(); 5776 mStackSupervisor.scheduleIdleLocked(); 5777 } 5778 } 5779 5780 return didSomething; 5781 } 5782 5783 private final boolean removeProcessLocked(ProcessRecord app, 5784 boolean callerWillRestart, boolean allowRestart, String reason) { 5785 final String name = app.processName; 5786 final int uid = app.uid; 5787 if (DEBUG_PROCESSES) Slog.d( 5788 TAG, "Force removing proc " + app.toShortString() + " (" + name 5789 + "/" + uid + ")"); 5790 5791 mProcessNames.remove(name, uid); 5792 mIsolatedProcesses.remove(app.uid); 5793 if (mHeavyWeightProcess == app) { 5794 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 5795 mHeavyWeightProcess.userId, 0)); 5796 mHeavyWeightProcess = null; 5797 } 5798 boolean needRestart = false; 5799 if (app.pid > 0 && app.pid != MY_PID) { 5800 int pid = app.pid; 5801 synchronized (mPidsSelfLocked) { 5802 mPidsSelfLocked.remove(pid); 5803 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 5804 } 5805 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 5806 if (app.isolated) { 5807 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 5808 } 5809 app.kill(reason, true); 5810 handleAppDiedLocked(app, true, allowRestart); 5811 removeLruProcessLocked(app); 5812 5813 if (app.persistent && !app.isolated) { 5814 if (!callerWillRestart) { 5815 addAppLocked(app.info, false, null /* ABI override */); 5816 } else { 5817 needRestart = true; 5818 } 5819 } 5820 } else { 5821 mRemovedProcesses.add(app); 5822 } 5823 5824 return needRestart; 5825 } 5826 5827 private final void processStartTimedOutLocked(ProcessRecord app) { 5828 final int pid = app.pid; 5829 boolean gone = false; 5830 synchronized (mPidsSelfLocked) { 5831 ProcessRecord knownApp = mPidsSelfLocked.get(pid); 5832 if (knownApp != null && knownApp.thread == null) { 5833 mPidsSelfLocked.remove(pid); 5834 gone = true; 5835 } 5836 } 5837 5838 if (gone) { 5839 Slog.w(TAG, "Process " + app + " failed to attach"); 5840 EventLog.writeEvent(EventLogTags.AM_PROCESS_START_TIMEOUT, app.userId, 5841 pid, app.uid, app.processName); 5842 mProcessNames.remove(app.processName, app.uid); 5843 mIsolatedProcesses.remove(app.uid); 5844 if (mHeavyWeightProcess == app) { 5845 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 5846 mHeavyWeightProcess.userId, 0)); 5847 mHeavyWeightProcess = null; 5848 } 5849 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 5850 if (app.isolated) { 5851 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 5852 } 5853 // Take care of any launching providers waiting for this process. 5854 checkAppInLaunchingProvidersLocked(app, true); 5855 // Take care of any services that are waiting for the process. 5856 mServices.processStartTimedOutLocked(app); 5857 app.kill("start timeout", true); 5858 if (mBackupTarget != null && mBackupTarget.app.pid == pid) { 5859 Slog.w(TAG, "Unattached app died before backup, skipping"); 5860 try { 5861 IBackupManager bm = IBackupManager.Stub.asInterface( 5862 ServiceManager.getService(Context.BACKUP_SERVICE)); 5863 bm.agentDisconnected(app.info.packageName); 5864 } catch (RemoteException e) { 5865 // Can't happen; the backup manager is local 5866 } 5867 } 5868 if (isPendingBroadcastProcessLocked(pid)) { 5869 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); 5870 skipPendingBroadcastLocked(pid); 5871 } 5872 } else { 5873 Slog.w(TAG, "Spurious process start timeout - pid not known for " + app); 5874 } 5875 } 5876 5877 private final boolean attachApplicationLocked(IApplicationThread thread, 5878 int pid) { 5879 5880 // Find the application record that is being attached... either via 5881 // the pid if we are running in multiple processes, or just pull the 5882 // next app record if we are emulating process with anonymous threads. 5883 ProcessRecord app; 5884 if (pid != MY_PID && pid >= 0) { 5885 synchronized (mPidsSelfLocked) { 5886 app = mPidsSelfLocked.get(pid); 5887 } 5888 } else { 5889 app = null; 5890 } 5891 5892 if (app == null) { 5893 Slog.w(TAG, "No pending application record for pid " + pid 5894 + " (IApplicationThread " + thread + "); dropping process"); 5895 EventLog.writeEvent(EventLogTags.AM_DROP_PROCESS, pid); 5896 if (pid > 0 && pid != MY_PID) { 5897 Process.killProcessQuiet(pid); 5898 //TODO: Process.killProcessGroup(app.info.uid, pid); 5899 } else { 5900 try { 5901 thread.scheduleExit(); 5902 } catch (Exception e) { 5903 // Ignore exceptions. 5904 } 5905 } 5906 return false; 5907 } 5908 5909 // If this application record is still attached to a previous 5910 // process, clean it up now. 5911 if (app.thread != null) { 5912 handleAppDiedLocked(app, true, true); 5913 } 5914 5915 // Tell the process all about itself. 5916 5917 if (localLOGV) Slog.v( 5918 TAG, "Binding process pid " + pid + " to record " + app); 5919 5920 final String processName = app.processName; 5921 try { 5922 AppDeathRecipient adr = new AppDeathRecipient( 5923 app, pid, thread); 5924 thread.asBinder().linkToDeath(adr, 0); 5925 app.deathRecipient = adr; 5926 } catch (RemoteException e) { 5927 app.resetPackageList(mProcessStats); 5928 startProcessLocked(app, "link fail", processName); 5929 return false; 5930 } 5931 5932 EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName); 5933 5934 app.makeActive(thread, mProcessStats); 5935 app.curAdj = app.setAdj = -100; 5936 app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT; 5937 app.forcingToForeground = null; 5938 updateProcessForegroundLocked(app, false, false); 5939 app.hasShownUi = false; 5940 app.debugging = false; 5941 app.cached = false; 5942 5943 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 5944 5945 boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info); 5946 List<ProviderInfo> providers = normalMode ? generateApplicationProvidersLocked(app) : null; 5947 5948 if (!normalMode) { 5949 Slog.i(TAG, "Launching preboot mode app: " + app); 5950 } 5951 5952 if (localLOGV) Slog.v( 5953 TAG, "New app record " + app 5954 + " thread=" + thread.asBinder() + " pid=" + pid); 5955 try { 5956 int testMode = IApplicationThread.DEBUG_OFF; 5957 if (mDebugApp != null && mDebugApp.equals(processName)) { 5958 testMode = mWaitForDebugger 5959 ? IApplicationThread.DEBUG_WAIT 5960 : IApplicationThread.DEBUG_ON; 5961 app.debugging = true; 5962 if (mDebugTransient) { 5963 mDebugApp = mOrigDebugApp; 5964 mWaitForDebugger = mOrigWaitForDebugger; 5965 } 5966 } 5967 String profileFile = app.instrumentationProfileFile; 5968 ParcelFileDescriptor profileFd = null; 5969 int samplingInterval = 0; 5970 boolean profileAutoStop = false; 5971 if (mProfileApp != null && mProfileApp.equals(processName)) { 5972 mProfileProc = app; 5973 profileFile = mProfileFile; 5974 profileFd = mProfileFd; 5975 samplingInterval = mSamplingInterval; 5976 profileAutoStop = mAutoStopProfiler; 5977 } 5978 boolean enableOpenGlTrace = false; 5979 if (mOpenGlTraceApp != null && mOpenGlTraceApp.equals(processName)) { 5980 enableOpenGlTrace = true; 5981 mOpenGlTraceApp = null; 5982 } 5983 5984 // If the app is being launched for restore or full backup, set it up specially 5985 boolean isRestrictedBackupMode = false; 5986 if (mBackupTarget != null && mBackupAppName.equals(processName)) { 5987 isRestrictedBackupMode = (mBackupTarget.backupMode == BackupRecord.RESTORE) 5988 || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL) 5989 || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL); 5990 } 5991 5992 ensurePackageDexOpt(app.instrumentationInfo != null 5993 ? app.instrumentationInfo.packageName 5994 : app.info.packageName); 5995 if (app.instrumentationClass != null) { 5996 ensurePackageDexOpt(app.instrumentationClass.getPackageName()); 5997 } 5998 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Binding proc " 5999 + processName + " with config " + mConfiguration); 6000 ApplicationInfo appInfo = app.instrumentationInfo != null 6001 ? app.instrumentationInfo : app.info; 6002 app.compat = compatibilityInfoForPackageLocked(appInfo); 6003 if (profileFd != null) { 6004 profileFd = profileFd.dup(); 6005 } 6006 ProfilerInfo profilerInfo = profileFile == null ? null 6007 : new ProfilerInfo(profileFile, profileFd, samplingInterval, profileAutoStop); 6008 thread.bindApplication(processName, appInfo, providers, app.instrumentationClass, 6009 profilerInfo, app.instrumentationArguments, app.instrumentationWatcher, 6010 app.instrumentationUiAutomationConnection, testMode, enableOpenGlTrace, 6011 isRestrictedBackupMode || !normalMode, app.persistent, 6012 new Configuration(mConfiguration), app.compat, getCommonServicesLocked(), 6013 mCoreSettingsObserver.getCoreSettingsLocked()); 6014 updateLruProcessLocked(app, false, null); 6015 app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis(); 6016 } catch (Exception e) { 6017 // todo: Yikes! What should we do? For now we will try to 6018 // start another process, but that could easily get us in 6019 // an infinite loop of restarting processes... 6020 Slog.w(TAG, "Exception thrown during bind!", e); 6021 6022 app.resetPackageList(mProcessStats); 6023 app.unlinkDeathRecipient(); 6024 startProcessLocked(app, "bind fail", processName); 6025 return false; 6026 } 6027 6028 // Remove this record from the list of starting applications. 6029 mPersistentStartingProcesses.remove(app); 6030 if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, 6031 "Attach application locked removing on hold: " + app); 6032 mProcessesOnHold.remove(app); 6033 6034 boolean badApp = false; 6035 boolean didSomething = false; 6036 6037 // See if the top visible activity is waiting to run in this process... 6038 if (normalMode) { 6039 try { 6040 if (mStackSupervisor.attachApplicationLocked(app)) { 6041 didSomething = true; 6042 } 6043 } catch (Exception e) { 6044 badApp = true; 6045 } 6046 } 6047 6048 // Find any services that should be running in this process... 6049 if (!badApp) { 6050 try { 6051 didSomething |= mServices.attachApplicationLocked(app, processName); 6052 } catch (Exception e) { 6053 badApp = true; 6054 } 6055 } 6056 6057 // Check if a next-broadcast receiver is in this process... 6058 if (!badApp && isPendingBroadcastProcessLocked(pid)) { 6059 try { 6060 didSomething |= sendPendingBroadcastsLocked(app); 6061 } catch (Exception e) { 6062 // If the app died trying to launch the receiver we declare it 'bad' 6063 badApp = true; 6064 } 6065 } 6066 6067 // Check whether the next backup agent is in this process... 6068 if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.uid) { 6069 if (DEBUG_BACKUP) Slog.v(TAG, "New app is backup target, launching agent for " + app); 6070 ensurePackageDexOpt(mBackupTarget.appInfo.packageName); 6071 try { 6072 thread.scheduleCreateBackupAgent(mBackupTarget.appInfo, 6073 compatibilityInfoForPackageLocked(mBackupTarget.appInfo), 6074 mBackupTarget.backupMode); 6075 } catch (Exception e) { 6076 Slog.w(TAG, "Exception scheduling backup agent creation: "); 6077 e.printStackTrace(); 6078 } 6079 } 6080 6081 if (badApp) { 6082 // todo: Also need to kill application to deal with all 6083 // kinds of exceptions. 6084 handleAppDiedLocked(app, false, true); 6085 return false; 6086 } 6087 6088 if (!didSomething) { 6089 updateOomAdjLocked(); 6090 } 6091 6092 return true; 6093 } 6094 6095 @Override 6096 public final void attachApplication(IApplicationThread thread) { 6097 synchronized (this) { 6098 int callingPid = Binder.getCallingPid(); 6099 final long origId = Binder.clearCallingIdentity(); 6100 attachApplicationLocked(thread, callingPid); 6101 Binder.restoreCallingIdentity(origId); 6102 } 6103 } 6104 6105 @Override 6106 public final void activityIdle(IBinder token, Configuration config, boolean stopProfiling) { 6107 final long origId = Binder.clearCallingIdentity(); 6108 synchronized (this) { 6109 ActivityStack stack = ActivityRecord.getStackLocked(token); 6110 if (stack != null) { 6111 ActivityRecord r = 6112 mStackSupervisor.activityIdleInternalLocked(token, false, config); 6113 if (stopProfiling) { 6114 if ((mProfileProc == r.app) && (mProfileFd != null)) { 6115 try { 6116 mProfileFd.close(); 6117 } catch (IOException e) { 6118 } 6119 clearProfilerLocked(); 6120 } 6121 } 6122 } 6123 } 6124 Binder.restoreCallingIdentity(origId); 6125 } 6126 6127 void postEnableScreenAfterBootLocked() { 6128 mHandler.sendEmptyMessage(ENABLE_SCREEN_AFTER_BOOT_MSG); 6129 } 6130 6131 void enableScreenAfterBoot() { 6132 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_ENABLE_SCREEN, 6133 SystemClock.uptimeMillis()); 6134 mWindowManager.enableScreenAfterBoot(); 6135 6136 synchronized (this) { 6137 updateEventDispatchingLocked(); 6138 } 6139 } 6140 6141 @Override 6142 public void showBootMessage(final CharSequence msg, final boolean always) { 6143 enforceNotIsolatedCaller("showBootMessage"); 6144 mWindowManager.showBootMessage(msg, always); 6145 } 6146 6147 @Override 6148 public void keyguardWaitingForActivityDrawn() { 6149 enforceNotIsolatedCaller("keyguardWaitingForActivityDrawn"); 6150 final long token = Binder.clearCallingIdentity(); 6151 try { 6152 synchronized (this) { 6153 if (DEBUG_LOCKSCREEN) logLockScreen(""); 6154 mWindowManager.keyguardWaitingForActivityDrawn(); 6155 } 6156 } finally { 6157 Binder.restoreCallingIdentity(token); 6158 } 6159 } 6160 6161 final void finishBooting() { 6162 // Register receivers to handle package update events 6163 mPackageMonitor.register(mContext, Looper.getMainLooper(), false); 6164 6165 // Let system services know. 6166 mSystemServiceManager.startBootPhase(SystemService.PHASE_BOOT_COMPLETED); 6167 6168 synchronized (this) { 6169 // Ensure that any processes we had put on hold are now started 6170 // up. 6171 final int NP = mProcessesOnHold.size(); 6172 if (NP > 0) { 6173 ArrayList<ProcessRecord> procs = 6174 new ArrayList<ProcessRecord>(mProcessesOnHold); 6175 for (int ip=0; ip<NP; ip++) { 6176 if (DEBUG_PROCESSES) Slog.v(TAG, "Starting process on hold: " 6177 + procs.get(ip)); 6178 startProcessLocked(procs.get(ip), "on-hold", null); 6179 } 6180 } 6181 6182 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 6183 // Start looking for apps that are abusing wake locks. 6184 Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 6185 mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 6186 // Tell anyone interested that we are done booting! 6187 SystemProperties.set("sys.boot_completed", "1"); 6188 SystemProperties.set("dev.bootcomplete", "1"); 6189 for (int i=0; i<mStartedUsers.size(); i++) { 6190 UserStartedState uss = mStartedUsers.valueAt(i); 6191 if (uss.mState == UserStartedState.STATE_BOOTING) { 6192 uss.mState = UserStartedState.STATE_RUNNING; 6193 final int userId = mStartedUsers.keyAt(i); 6194 Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); 6195 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 6196 intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT); 6197 broadcastIntentLocked(null, null, intent, null, 6198 new IIntentReceiver.Stub() { 6199 @Override 6200 public void performReceive(Intent intent, int resultCode, 6201 String data, Bundle extras, boolean ordered, 6202 boolean sticky, int sendingUser) { 6203 synchronized (ActivityManagerService.this) { 6204 requestPssAllProcsLocked(SystemClock.uptimeMillis(), 6205 true, false); 6206 } 6207 } 6208 }, 6209 0, null, null, 6210 android.Manifest.permission.RECEIVE_BOOT_COMPLETED, 6211 AppOpsManager.OP_NONE, true, false, MY_PID, Process.SYSTEM_UID, 6212 userId); 6213 } 6214 } 6215 scheduleStartProfilesLocked(); 6216 } 6217 } 6218 } 6219 6220 final void ensureBootCompleted() { 6221 boolean booting; 6222 boolean enableScreen; 6223 synchronized (this) { 6224 booting = mBooting; 6225 mBooting = false; 6226 enableScreen = !mBooted; 6227 mBooted = true; 6228 } 6229 6230 if (booting) { 6231 finishBooting(); 6232 } 6233 6234 if (enableScreen) { 6235 enableScreenAfterBoot(); 6236 } 6237 } 6238 6239 @Override 6240 public final void activityResumed(IBinder token) { 6241 final long origId = Binder.clearCallingIdentity(); 6242 synchronized(this) { 6243 ActivityStack stack = ActivityRecord.getStackLocked(token); 6244 if (stack != null) { 6245 ActivityRecord.activityResumedLocked(token); 6246 } 6247 } 6248 Binder.restoreCallingIdentity(origId); 6249 } 6250 6251 @Override 6252 public final void activityPaused(IBinder token, PersistableBundle persistentState) { 6253 final long origId = Binder.clearCallingIdentity(); 6254 synchronized(this) { 6255 ActivityStack stack = ActivityRecord.getStackLocked(token); 6256 if (stack != null) { 6257 stack.activityPausedLocked(token, false, persistentState); 6258 } 6259 } 6260 Binder.restoreCallingIdentity(origId); 6261 } 6262 6263 @Override 6264 public final void activityStopped(IBinder token, Bundle icicle, 6265 PersistableBundle persistentState, CharSequence description) { 6266 if (localLOGV) Slog.v(TAG, "Activity stopped: token=" + token); 6267 6268 // Refuse possible leaked file descriptors 6269 if (icicle != null && icicle.hasFileDescriptors()) { 6270 throw new IllegalArgumentException("File descriptors passed in Bundle"); 6271 } 6272 6273 final long origId = Binder.clearCallingIdentity(); 6274 6275 synchronized (this) { 6276 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6277 if (r != null) { 6278 r.task.stack.activityStoppedLocked(r, icicle, persistentState, description); 6279 } 6280 } 6281 6282 trimApplications(); 6283 6284 Binder.restoreCallingIdentity(origId); 6285 } 6286 6287 @Override 6288 public final void activityDestroyed(IBinder token) { 6289 if (DEBUG_SWITCH) Slog.v(TAG, "ACTIVITY DESTROYED: " + token); 6290 synchronized (this) { 6291 ActivityStack stack = ActivityRecord.getStackLocked(token); 6292 if (stack != null) { 6293 stack.activityDestroyedLocked(token); 6294 } 6295 } 6296 } 6297 6298 @Override 6299 public final void backgroundResourcesReleased(IBinder token) { 6300 final long origId = Binder.clearCallingIdentity(); 6301 try { 6302 synchronized (this) { 6303 ActivityStack stack = ActivityRecord.getStackLocked(token); 6304 if (stack != null) { 6305 stack.backgroundResourcesReleased(token); 6306 } 6307 } 6308 } finally { 6309 Binder.restoreCallingIdentity(origId); 6310 } 6311 } 6312 6313 @Override 6314 public final void notifyLaunchTaskBehindComplete(IBinder token) { 6315 mStackSupervisor.scheduleLaunchTaskBehindComplete(token); 6316 } 6317 6318 @Override 6319 public final void notifyEnterAnimationComplete(IBinder token) { 6320 mHandler.sendMessage(mHandler.obtainMessage(ENTER_ANIMATION_COMPLETE_MSG, token)); 6321 } 6322 6323 @Override 6324 public String getCallingPackage(IBinder token) { 6325 synchronized (this) { 6326 ActivityRecord r = getCallingRecordLocked(token); 6327 return r != null ? r.info.packageName : null; 6328 } 6329 } 6330 6331 @Override 6332 public ComponentName getCallingActivity(IBinder token) { 6333 synchronized (this) { 6334 ActivityRecord r = getCallingRecordLocked(token); 6335 return r != null ? r.intent.getComponent() : null; 6336 } 6337 } 6338 6339 private ActivityRecord getCallingRecordLocked(IBinder token) { 6340 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6341 if (r == null) { 6342 return null; 6343 } 6344 return r.resultTo; 6345 } 6346 6347 @Override 6348 public ComponentName getActivityClassForToken(IBinder token) { 6349 synchronized(this) { 6350 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6351 if (r == null) { 6352 return null; 6353 } 6354 return r.intent.getComponent(); 6355 } 6356 } 6357 6358 @Override 6359 public String getPackageForToken(IBinder token) { 6360 synchronized(this) { 6361 ActivityRecord r = ActivityRecord.isInStackLocked(token); 6362 if (r == null) { 6363 return null; 6364 } 6365 return r.packageName; 6366 } 6367 } 6368 6369 @Override 6370 public IIntentSender getIntentSender(int type, 6371 String packageName, IBinder token, String resultWho, 6372 int requestCode, Intent[] intents, String[] resolvedTypes, 6373 int flags, Bundle options, int userId) { 6374 enforceNotIsolatedCaller("getIntentSender"); 6375 // Refuse possible leaked file descriptors 6376 if (intents != null) { 6377 if (intents.length < 1) { 6378 throw new IllegalArgumentException("Intents array length must be >= 1"); 6379 } 6380 for (int i=0; i<intents.length; i++) { 6381 Intent intent = intents[i]; 6382 if (intent != null) { 6383 if (intent.hasFileDescriptors()) { 6384 throw new IllegalArgumentException("File descriptors passed in Intent"); 6385 } 6386 if (type == ActivityManager.INTENT_SENDER_BROADCAST && 6387 (intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { 6388 throw new IllegalArgumentException( 6389 "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); 6390 } 6391 intents[i] = new Intent(intent); 6392 } 6393 } 6394 if (resolvedTypes != null && resolvedTypes.length != intents.length) { 6395 throw new IllegalArgumentException( 6396 "Intent array length does not match resolvedTypes length"); 6397 } 6398 } 6399 if (options != null) { 6400 if (options.hasFileDescriptors()) { 6401 throw new IllegalArgumentException("File descriptors passed in options"); 6402 } 6403 } 6404 6405 synchronized(this) { 6406 int callingUid = Binder.getCallingUid(); 6407 int origUserId = userId; 6408 userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, 6409 type == ActivityManager.INTENT_SENDER_BROADCAST, 6410 ALLOW_NON_FULL, "getIntentSender", null); 6411 if (origUserId == UserHandle.USER_CURRENT) { 6412 // We don't want to evaluate this until the pending intent is 6413 // actually executed. However, we do want to always do the 6414 // security checking for it above. 6415 userId = UserHandle.USER_CURRENT; 6416 } 6417 try { 6418 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 6419 int uid = AppGlobals.getPackageManager() 6420 .getPackageUid(packageName, UserHandle.getUserId(callingUid)); 6421 if (!UserHandle.isSameApp(callingUid, uid)) { 6422 String msg = "Permission Denial: getIntentSender() from pid=" 6423 + Binder.getCallingPid() 6424 + ", uid=" + Binder.getCallingUid() 6425 + ", (need uid=" + uid + ")" 6426 + " is not allowed to send as package " + packageName; 6427 Slog.w(TAG, msg); 6428 throw new SecurityException(msg); 6429 } 6430 } 6431 6432 return getIntentSenderLocked(type, packageName, callingUid, userId, 6433 token, resultWho, requestCode, intents, resolvedTypes, flags, options); 6434 6435 } catch (RemoteException e) { 6436 throw new SecurityException(e); 6437 } 6438 } 6439 } 6440 6441 IIntentSender getIntentSenderLocked(int type, String packageName, 6442 int callingUid, int userId, IBinder token, String resultWho, 6443 int requestCode, Intent[] intents, String[] resolvedTypes, int flags, 6444 Bundle options) { 6445 if (DEBUG_MU) 6446 Slog.v(TAG_MU, "getIntentSenderLocked(): uid=" + callingUid); 6447 ActivityRecord activity = null; 6448 if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { 6449 activity = ActivityRecord.isInStackLocked(token); 6450 if (activity == null) { 6451 return null; 6452 } 6453 if (activity.finishing) { 6454 return null; 6455 } 6456 } 6457 6458 final boolean noCreate = (flags&PendingIntent.FLAG_NO_CREATE) != 0; 6459 final boolean cancelCurrent = (flags&PendingIntent.FLAG_CANCEL_CURRENT) != 0; 6460 final boolean updateCurrent = (flags&PendingIntent.FLAG_UPDATE_CURRENT) != 0; 6461 flags &= ~(PendingIntent.FLAG_NO_CREATE|PendingIntent.FLAG_CANCEL_CURRENT 6462 |PendingIntent.FLAG_UPDATE_CURRENT); 6463 6464 PendingIntentRecord.Key key = new PendingIntentRecord.Key( 6465 type, packageName, activity, resultWho, 6466 requestCode, intents, resolvedTypes, flags, options, userId); 6467 WeakReference<PendingIntentRecord> ref; 6468 ref = mIntentSenderRecords.get(key); 6469 PendingIntentRecord rec = ref != null ? ref.get() : null; 6470 if (rec != null) { 6471 if (!cancelCurrent) { 6472 if (updateCurrent) { 6473 if (rec.key.requestIntent != null) { 6474 rec.key.requestIntent.replaceExtras(intents != null ? 6475 intents[intents.length - 1] : null); 6476 } 6477 if (intents != null) { 6478 intents[intents.length-1] = rec.key.requestIntent; 6479 rec.key.allIntents = intents; 6480 rec.key.allResolvedTypes = resolvedTypes; 6481 } else { 6482 rec.key.allIntents = null; 6483 rec.key.allResolvedTypes = null; 6484 } 6485 } 6486 return rec; 6487 } 6488 rec.canceled = true; 6489 mIntentSenderRecords.remove(key); 6490 } 6491 if (noCreate) { 6492 return rec; 6493 } 6494 rec = new PendingIntentRecord(this, key, callingUid); 6495 mIntentSenderRecords.put(key, rec.ref); 6496 if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { 6497 if (activity.pendingResults == null) { 6498 activity.pendingResults 6499 = new HashSet<WeakReference<PendingIntentRecord>>(); 6500 } 6501 activity.pendingResults.add(rec.ref); 6502 } 6503 return rec; 6504 } 6505 6506 @Override 6507 public void cancelIntentSender(IIntentSender sender) { 6508 if (!(sender instanceof PendingIntentRecord)) { 6509 return; 6510 } 6511 synchronized(this) { 6512 PendingIntentRecord rec = (PendingIntentRecord)sender; 6513 try { 6514 int uid = AppGlobals.getPackageManager() 6515 .getPackageUid(rec.key.packageName, UserHandle.getCallingUserId()); 6516 if (!UserHandle.isSameApp(uid, Binder.getCallingUid())) { 6517 String msg = "Permission Denial: cancelIntentSender() from pid=" 6518 + Binder.getCallingPid() 6519 + ", uid=" + Binder.getCallingUid() 6520 + " is not allowed to cancel packges " 6521 + rec.key.packageName; 6522 Slog.w(TAG, msg); 6523 throw new SecurityException(msg); 6524 } 6525 } catch (RemoteException e) { 6526 throw new SecurityException(e); 6527 } 6528 cancelIntentSenderLocked(rec, true); 6529 } 6530 } 6531 6532 void cancelIntentSenderLocked(PendingIntentRecord rec, boolean cleanActivity) { 6533 rec.canceled = true; 6534 mIntentSenderRecords.remove(rec.key); 6535 if (cleanActivity && rec.key.activity != null) { 6536 rec.key.activity.pendingResults.remove(rec.ref); 6537 } 6538 } 6539 6540 @Override 6541 public String getPackageForIntentSender(IIntentSender pendingResult) { 6542 if (!(pendingResult instanceof PendingIntentRecord)) { 6543 return null; 6544 } 6545 try { 6546 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6547 return res.key.packageName; 6548 } catch (ClassCastException e) { 6549 } 6550 return null; 6551 } 6552 6553 @Override 6554 public int getUidForIntentSender(IIntentSender sender) { 6555 if (sender instanceof PendingIntentRecord) { 6556 try { 6557 PendingIntentRecord res = (PendingIntentRecord)sender; 6558 return res.uid; 6559 } catch (ClassCastException e) { 6560 } 6561 } 6562 return -1; 6563 } 6564 6565 @Override 6566 public boolean isIntentSenderTargetedToPackage(IIntentSender pendingResult) { 6567 if (!(pendingResult instanceof PendingIntentRecord)) { 6568 return false; 6569 } 6570 try { 6571 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6572 if (res.key.allIntents == null) { 6573 return false; 6574 } 6575 for (int i=0; i<res.key.allIntents.length; i++) { 6576 Intent intent = res.key.allIntents[i]; 6577 if (intent.getPackage() != null && intent.getComponent() != null) { 6578 return false; 6579 } 6580 } 6581 return true; 6582 } catch (ClassCastException e) { 6583 } 6584 return false; 6585 } 6586 6587 @Override 6588 public boolean isIntentSenderAnActivity(IIntentSender pendingResult) { 6589 if (!(pendingResult instanceof PendingIntentRecord)) { 6590 return false; 6591 } 6592 try { 6593 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6594 if (res.key.type == ActivityManager.INTENT_SENDER_ACTIVITY) { 6595 return true; 6596 } 6597 return false; 6598 } catch (ClassCastException e) { 6599 } 6600 return false; 6601 } 6602 6603 @Override 6604 public Intent getIntentForIntentSender(IIntentSender pendingResult) { 6605 if (!(pendingResult instanceof PendingIntentRecord)) { 6606 return null; 6607 } 6608 try { 6609 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6610 return res.key.requestIntent != null ? new Intent(res.key.requestIntent) : null; 6611 } catch (ClassCastException e) { 6612 } 6613 return null; 6614 } 6615 6616 @Override 6617 public String getTagForIntentSender(IIntentSender pendingResult, String prefix) { 6618 if (!(pendingResult instanceof PendingIntentRecord)) { 6619 return null; 6620 } 6621 try { 6622 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6623 Intent intent = res.key.requestIntent; 6624 if (intent != null) { 6625 if (res.lastTag != null && res.lastTagPrefix == prefix && (res.lastTagPrefix == null 6626 || res.lastTagPrefix.equals(prefix))) { 6627 return res.lastTag; 6628 } 6629 res.lastTagPrefix = prefix; 6630 StringBuilder sb = new StringBuilder(128); 6631 if (prefix != null) { 6632 sb.append(prefix); 6633 } 6634 if (intent.getAction() != null) { 6635 sb.append(intent.getAction()); 6636 } else if (intent.getComponent() != null) { 6637 intent.getComponent().appendShortString(sb); 6638 } else { 6639 sb.append("?"); 6640 } 6641 return res.lastTag = sb.toString(); 6642 } 6643 } catch (ClassCastException e) { 6644 } 6645 return null; 6646 } 6647 6648 @Override 6649 public void setProcessLimit(int max) { 6650 enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, 6651 "setProcessLimit()"); 6652 synchronized (this) { 6653 mProcessLimit = max < 0 ? ProcessList.MAX_CACHED_APPS : max; 6654 mProcessLimitOverride = max; 6655 } 6656 trimApplications(); 6657 } 6658 6659 @Override 6660 public int getProcessLimit() { 6661 synchronized (this) { 6662 return mProcessLimitOverride; 6663 } 6664 } 6665 6666 void foregroundTokenDied(ForegroundToken token) { 6667 synchronized (ActivityManagerService.this) { 6668 synchronized (mPidsSelfLocked) { 6669 ForegroundToken cur 6670 = mForegroundProcesses.get(token.pid); 6671 if (cur != token) { 6672 return; 6673 } 6674 mForegroundProcesses.remove(token.pid); 6675 ProcessRecord pr = mPidsSelfLocked.get(token.pid); 6676 if (pr == null) { 6677 return; 6678 } 6679 pr.forcingToForeground = null; 6680 updateProcessForegroundLocked(pr, false, false); 6681 } 6682 updateOomAdjLocked(); 6683 } 6684 } 6685 6686 @Override 6687 public void setProcessForeground(IBinder token, int pid, boolean isForeground) { 6688 enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, 6689 "setProcessForeground()"); 6690 synchronized(this) { 6691 boolean changed = false; 6692 6693 synchronized (mPidsSelfLocked) { 6694 ProcessRecord pr = mPidsSelfLocked.get(pid); 6695 if (pr == null && isForeground) { 6696 Slog.w(TAG, "setProcessForeground called on unknown pid: " + pid); 6697 return; 6698 } 6699 ForegroundToken oldToken = mForegroundProcesses.get(pid); 6700 if (oldToken != null) { 6701 oldToken.token.unlinkToDeath(oldToken, 0); 6702 mForegroundProcesses.remove(pid); 6703 if (pr != null) { 6704 pr.forcingToForeground = null; 6705 } 6706 changed = true; 6707 } 6708 if (isForeground && token != null) { 6709 ForegroundToken newToken = new ForegroundToken() { 6710 @Override 6711 public void binderDied() { 6712 foregroundTokenDied(this); 6713 } 6714 }; 6715 newToken.pid = pid; 6716 newToken.token = token; 6717 try { 6718 token.linkToDeath(newToken, 0); 6719 mForegroundProcesses.put(pid, newToken); 6720 pr.forcingToForeground = token; 6721 changed = true; 6722 } catch (RemoteException e) { 6723 // If the process died while doing this, we will later 6724 // do the cleanup with the process death link. 6725 } 6726 } 6727 } 6728 6729 if (changed) { 6730 updateOomAdjLocked(); 6731 } 6732 } 6733 } 6734 6735 // ========================================================= 6736 // PERMISSIONS 6737 // ========================================================= 6738 6739 static class PermissionController extends IPermissionController.Stub { 6740 ActivityManagerService mActivityManagerService; 6741 PermissionController(ActivityManagerService activityManagerService) { 6742 mActivityManagerService = activityManagerService; 6743 } 6744 6745 @Override 6746 public boolean checkPermission(String permission, int pid, int uid) { 6747 return mActivityManagerService.checkPermission(permission, pid, 6748 uid) == PackageManager.PERMISSION_GRANTED; 6749 } 6750 } 6751 6752 class IntentFirewallInterface implements IntentFirewall.AMSInterface { 6753 @Override 6754 public int checkComponentPermission(String permission, int pid, int uid, 6755 int owningUid, boolean exported) { 6756 return ActivityManagerService.this.checkComponentPermission(permission, pid, uid, 6757 owningUid, exported); 6758 } 6759 6760 @Override 6761 public Object getAMSLock() { 6762 return ActivityManagerService.this; 6763 } 6764 } 6765 6766 /** 6767 * This can be called with or without the global lock held. 6768 */ 6769 int checkComponentPermission(String permission, int pid, int uid, 6770 int owningUid, boolean exported) { 6771 // We might be performing an operation on behalf of an indirect binder 6772 // invocation, e.g. via {@link #openContentUri}. Check and adjust the 6773 // client identity accordingly before proceeding. 6774 Identity tlsIdentity = sCallerIdentity.get(); 6775 if (tlsIdentity != null) { 6776 Slog.d(TAG, "checkComponentPermission() adjusting {pid,uid} to {" 6777 + tlsIdentity.pid + "," + tlsIdentity.uid + "}"); 6778 uid = tlsIdentity.uid; 6779 pid = tlsIdentity.pid; 6780 } 6781 6782 if (pid == MY_PID) { 6783 return PackageManager.PERMISSION_GRANTED; 6784 } 6785 6786 return ActivityManager.checkComponentPermission(permission, uid, 6787 owningUid, exported); 6788 } 6789 6790 /** 6791 * As the only public entry point for permissions checking, this method 6792 * can enforce the semantic that requesting a check on a null global 6793 * permission is automatically denied. (Internally a null permission 6794 * string is used when calling {@link #checkComponentPermission} in cases 6795 * when only uid-based security is needed.) 6796 * 6797 * This can be called with or without the global lock held. 6798 */ 6799 @Override 6800 public int checkPermission(String permission, int pid, int uid) { 6801 if (permission == null) { 6802 return PackageManager.PERMISSION_DENIED; 6803 } 6804 return checkComponentPermission(permission, pid, UserHandle.getAppId(uid), -1, true); 6805 } 6806 6807 /** 6808 * Binder IPC calls go through the public entry point. 6809 * This can be called with or without the global lock held. 6810 */ 6811 int checkCallingPermission(String permission) { 6812 return checkPermission(permission, 6813 Binder.getCallingPid(), 6814 UserHandle.getAppId(Binder.getCallingUid())); 6815 } 6816 6817 /** 6818 * This can be called with or without the global lock held. 6819 */ 6820 void enforceCallingPermission(String permission, String func) { 6821 if (checkCallingPermission(permission) 6822 == PackageManager.PERMISSION_GRANTED) { 6823 return; 6824 } 6825 6826 String msg = "Permission Denial: " + func + " from pid=" 6827 + Binder.getCallingPid() 6828 + ", uid=" + Binder.getCallingUid() 6829 + " requires " + permission; 6830 Slog.w(TAG, msg); 6831 throw new SecurityException(msg); 6832 } 6833 6834 /** 6835 * Determine if UID is holding permissions required to access {@link Uri} in 6836 * the given {@link ProviderInfo}. Final permission checking is always done 6837 * in {@link ContentProvider}. 6838 */ 6839 private final boolean checkHoldingPermissionsLocked( 6840 IPackageManager pm, ProviderInfo pi, GrantUri grantUri, int uid, final int modeFlags) { 6841 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6842 "checkHoldingPermissionsLocked: uri=" + grantUri + " uid=" + uid); 6843 if (UserHandle.getUserId(uid) != grantUri.sourceUserId) { 6844 if (ActivityManager.checkComponentPermission(INTERACT_ACROSS_USERS, uid, -1, true) 6845 != PERMISSION_GRANTED) { 6846 return false; 6847 } 6848 } 6849 return checkHoldingPermissionsInternalLocked(pm, pi, grantUri, uid, modeFlags, true); 6850 } 6851 6852 private final boolean checkHoldingPermissionsInternalLocked(IPackageManager pm, ProviderInfo pi, 6853 GrantUri grantUri, int uid, final int modeFlags, boolean considerUidPermissions) { 6854 if (pi.applicationInfo.uid == uid) { 6855 return true; 6856 } else if (!pi.exported) { 6857 return false; 6858 } 6859 6860 boolean readMet = (modeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) == 0; 6861 boolean writeMet = (modeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) == 0; 6862 try { 6863 // check if target holds top-level <provider> permissions 6864 if (!readMet && pi.readPermission != null && considerUidPermissions 6865 && (pm.checkUidPermission(pi.readPermission, uid) == PERMISSION_GRANTED)) { 6866 readMet = true; 6867 } 6868 if (!writeMet && pi.writePermission != null && considerUidPermissions 6869 && (pm.checkUidPermission(pi.writePermission, uid) == PERMISSION_GRANTED)) { 6870 writeMet = true; 6871 } 6872 6873 // track if unprotected read/write is allowed; any denied 6874 // <path-permission> below removes this ability 6875 boolean allowDefaultRead = pi.readPermission == null; 6876 boolean allowDefaultWrite = pi.writePermission == null; 6877 6878 // check if target holds any <path-permission> that match uri 6879 final PathPermission[] pps = pi.pathPermissions; 6880 if (pps != null) { 6881 final String path = grantUri.uri.getPath(); 6882 int i = pps.length; 6883 while (i > 0 && (!readMet || !writeMet)) { 6884 i--; 6885 PathPermission pp = pps[i]; 6886 if (pp.match(path)) { 6887 if (!readMet) { 6888 final String pprperm = pp.getReadPermission(); 6889 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking read perm for " 6890 + pprperm + " for " + pp.getPath() 6891 + ": match=" + pp.match(path) 6892 + " check=" + pm.checkUidPermission(pprperm, uid)); 6893 if (pprperm != null) { 6894 if (considerUidPermissions && pm.checkUidPermission(pprperm, uid) 6895 == PERMISSION_GRANTED) { 6896 readMet = true; 6897 } else { 6898 allowDefaultRead = false; 6899 } 6900 } 6901 } 6902 if (!writeMet) { 6903 final String ppwperm = pp.getWritePermission(); 6904 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking write perm " 6905 + ppwperm + " for " + pp.getPath() 6906 + ": match=" + pp.match(path) 6907 + " check=" + pm.checkUidPermission(ppwperm, uid)); 6908 if (ppwperm != null) { 6909 if (considerUidPermissions && pm.checkUidPermission(ppwperm, uid) 6910 == PERMISSION_GRANTED) { 6911 writeMet = true; 6912 } else { 6913 allowDefaultWrite = false; 6914 } 6915 } 6916 } 6917 } 6918 } 6919 } 6920 6921 // grant unprotected <provider> read/write, if not blocked by 6922 // <path-permission> above 6923 if (allowDefaultRead) readMet = true; 6924 if (allowDefaultWrite) writeMet = true; 6925 6926 } catch (RemoteException e) { 6927 return false; 6928 } 6929 6930 return readMet && writeMet; 6931 } 6932 6933 private ProviderInfo getProviderInfoLocked(String authority, int userHandle) { 6934 ProviderInfo pi = null; 6935 ContentProviderRecord cpr = mProviderMap.getProviderByName(authority, userHandle); 6936 if (cpr != null) { 6937 pi = cpr.info; 6938 } else { 6939 try { 6940 pi = AppGlobals.getPackageManager().resolveContentProvider( 6941 authority, PackageManager.GET_URI_PERMISSION_PATTERNS, userHandle); 6942 } catch (RemoteException ex) { 6943 } 6944 } 6945 return pi; 6946 } 6947 6948 private UriPermission findUriPermissionLocked(int targetUid, GrantUri grantUri) { 6949 final ArrayMap<GrantUri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); 6950 if (targetUris != null) { 6951 return targetUris.get(grantUri); 6952 } 6953 return null; 6954 } 6955 6956 private UriPermission findOrCreateUriPermissionLocked(String sourcePkg, 6957 String targetPkg, int targetUid, GrantUri grantUri) { 6958 ArrayMap<GrantUri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); 6959 if (targetUris == null) { 6960 targetUris = Maps.newArrayMap(); 6961 mGrantedUriPermissions.put(targetUid, targetUris); 6962 } 6963 6964 UriPermission perm = targetUris.get(grantUri); 6965 if (perm == null) { 6966 perm = new UriPermission(sourcePkg, targetPkg, targetUid, grantUri); 6967 targetUris.put(grantUri, perm); 6968 } 6969 6970 return perm; 6971 } 6972 6973 private final boolean checkUriPermissionLocked(GrantUri grantUri, int uid, 6974 final int modeFlags) { 6975 final boolean persistable = (modeFlags & Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION) != 0; 6976 final int minStrength = persistable ? UriPermission.STRENGTH_PERSISTABLE 6977 : UriPermission.STRENGTH_OWNED; 6978 6979 // Root gets to do everything. 6980 if (uid == 0) { 6981 return true; 6982 } 6983 6984 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(uid); 6985 if (perms == null) return false; 6986 6987 // First look for exact match 6988 final UriPermission exactPerm = perms.get(grantUri); 6989 if (exactPerm != null && exactPerm.getStrength(modeFlags) >= minStrength) { 6990 return true; 6991 } 6992 6993 // No exact match, look for prefixes 6994 final int N = perms.size(); 6995 for (int i = 0; i < N; i++) { 6996 final UriPermission perm = perms.valueAt(i); 6997 if (perm.uri.prefix && grantUri.uri.isPathPrefixMatch(perm.uri.uri) 6998 && perm.getStrength(modeFlags) >= minStrength) { 6999 return true; 7000 } 7001 } 7002 7003 return false; 7004 } 7005 7006 /** 7007 * @param uri This uri must NOT contain an embedded userId. 7008 * @param userId The userId in which the uri is to be resolved. 7009 */ 7010 @Override 7011 public int checkUriPermission(Uri uri, int pid, int uid, 7012 final int modeFlags, int userId) { 7013 enforceNotIsolatedCaller("checkUriPermission"); 7014 7015 // Another redirected-binder-call permissions check as in 7016 // {@link checkComponentPermission}. 7017 Identity tlsIdentity = sCallerIdentity.get(); 7018 if (tlsIdentity != null) { 7019 uid = tlsIdentity.uid; 7020 pid = tlsIdentity.pid; 7021 } 7022 7023 // Our own process gets to do everything. 7024 if (pid == MY_PID) { 7025 return PackageManager.PERMISSION_GRANTED; 7026 } 7027 synchronized (this) { 7028 return checkUriPermissionLocked(new GrantUri(userId, uri, false), uid, modeFlags) 7029 ? PackageManager.PERMISSION_GRANTED 7030 : PackageManager.PERMISSION_DENIED; 7031 } 7032 } 7033 7034 /** 7035 * Check if the targetPkg can be granted permission to access uri by 7036 * the callingUid using the given modeFlags. Throws a security exception 7037 * if callingUid is not allowed to do this. Returns the uid of the target 7038 * if the URI permission grant should be performed; returns -1 if it is not 7039 * needed (for example targetPkg already has permission to access the URI). 7040 * If you already know the uid of the target, you can supply it in 7041 * lastTargetUid else set that to -1. 7042 */ 7043 int checkGrantUriPermissionLocked(int callingUid, String targetPkg, GrantUri grantUri, 7044 final int modeFlags, int lastTargetUid) { 7045 if (!Intent.isAccessUriMode(modeFlags)) { 7046 return -1; 7047 } 7048 7049 if (targetPkg != null) { 7050 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7051 "Checking grant " + targetPkg + " permission to " + grantUri); 7052 } 7053 7054 final IPackageManager pm = AppGlobals.getPackageManager(); 7055 7056 // If this is not a content: uri, we can't do anything with it. 7057 if (!ContentResolver.SCHEME_CONTENT.equals(grantUri.uri.getScheme())) { 7058 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7059 "Can't grant URI permission for non-content URI: " + grantUri); 7060 return -1; 7061 } 7062 7063 final String authority = grantUri.uri.getAuthority(); 7064 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 7065 if (pi == null) { 7066 Slog.w(TAG, "No content provider found for permission check: " + 7067 grantUri.uri.toSafeString()); 7068 return -1; 7069 } 7070 7071 int targetUid = lastTargetUid; 7072 if (targetUid < 0 && targetPkg != null) { 7073 try { 7074 targetUid = pm.getPackageUid(targetPkg, UserHandle.getUserId(callingUid)); 7075 if (targetUid < 0) { 7076 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7077 "Can't grant URI permission no uid for: " + targetPkg); 7078 return -1; 7079 } 7080 } catch (RemoteException ex) { 7081 return -1; 7082 } 7083 } 7084 7085 if (targetUid >= 0) { 7086 // First... does the target actually need this permission? 7087 if (checkHoldingPermissionsLocked(pm, pi, grantUri, targetUid, modeFlags)) { 7088 // No need to grant the target this permission. 7089 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7090 "Target " + targetPkg + " already has full permission to " + grantUri); 7091 return -1; 7092 } 7093 } else { 7094 // First... there is no target package, so can anyone access it? 7095 boolean allowed = pi.exported; 7096 if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { 7097 if (pi.readPermission != null) { 7098 allowed = false; 7099 } 7100 } 7101 if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { 7102 if (pi.writePermission != null) { 7103 allowed = false; 7104 } 7105 } 7106 if (allowed) { 7107 return -1; 7108 } 7109 } 7110 7111 /* There is a special cross user grant if: 7112 * - The target is on another user. 7113 * - Apps on the current user can access the uri without any uid permissions. 7114 * In this case, we grant a uri permission, even if the ContentProvider does not normally 7115 * grant uri permissions. 7116 */ 7117 boolean specialCrossUserGrant = UserHandle.getUserId(targetUid) != grantUri.sourceUserId 7118 && checkHoldingPermissionsInternalLocked(pm, pi, grantUri, callingUid, 7119 modeFlags, false /*without considering the uid permissions*/); 7120 7121 // Second... is the provider allowing granting of URI permissions? 7122 if (!specialCrossUserGrant) { 7123 if (!pi.grantUriPermissions) { 7124 throw new SecurityException("Provider " + pi.packageName 7125 + "/" + pi.name 7126 + " does not allow granting of Uri permissions (uri " 7127 + grantUri + ")"); 7128 } 7129 if (pi.uriPermissionPatterns != null) { 7130 final int N = pi.uriPermissionPatterns.length; 7131 boolean allowed = false; 7132 for (int i=0; i<N; i++) { 7133 if (pi.uriPermissionPatterns[i] != null 7134 && pi.uriPermissionPatterns[i].match(grantUri.uri.getPath())) { 7135 allowed = true; 7136 break; 7137 } 7138 } 7139 if (!allowed) { 7140 throw new SecurityException("Provider " + pi.packageName 7141 + "/" + pi.name 7142 + " does not allow granting of permission to path of Uri " 7143 + grantUri); 7144 } 7145 } 7146 } 7147 7148 // Third... does the caller itself have permission to access 7149 // this uri? 7150 if (UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { 7151 if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) { 7152 // Require they hold a strong enough Uri permission 7153 if (!checkUriPermissionLocked(grantUri, callingUid, modeFlags)) { 7154 throw new SecurityException("Uid " + callingUid 7155 + " does not have permission to uri " + grantUri); 7156 } 7157 } 7158 } 7159 return targetUid; 7160 } 7161 7162 /** 7163 * @param uri This uri must NOT contain an embedded userId. 7164 * @param userId The userId in which the uri is to be resolved. 7165 */ 7166 @Override 7167 public int checkGrantUriPermission(int callingUid, String targetPkg, Uri uri, 7168 final int modeFlags, int userId) { 7169 enforceNotIsolatedCaller("checkGrantUriPermission"); 7170 synchronized(this) { 7171 return checkGrantUriPermissionLocked(callingUid, targetPkg, 7172 new GrantUri(userId, uri, false), modeFlags, -1); 7173 } 7174 } 7175 7176 void grantUriPermissionUncheckedLocked(int targetUid, String targetPkg, GrantUri grantUri, 7177 final int modeFlags, UriPermissionOwner owner) { 7178 if (!Intent.isAccessUriMode(modeFlags)) { 7179 return; 7180 } 7181 7182 // So here we are: the caller has the assumed permission 7183 // to the uri, and the target doesn't. Let's now give this to 7184 // the target. 7185 7186 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7187 "Granting " + targetPkg + "/" + targetUid + " permission to " + grantUri); 7188 7189 final String authority = grantUri.uri.getAuthority(); 7190 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 7191 if (pi == null) { 7192 Slog.w(TAG, "No content provider found for grant: " + grantUri.toSafeString()); 7193 return; 7194 } 7195 7196 if ((modeFlags & Intent.FLAG_GRANT_PREFIX_URI_PERMISSION) != 0) { 7197 grantUri.prefix = true; 7198 } 7199 final UriPermission perm = findOrCreateUriPermissionLocked( 7200 pi.packageName, targetPkg, targetUid, grantUri); 7201 perm.grantModes(modeFlags, owner); 7202 } 7203 7204 void grantUriPermissionLocked(int callingUid, String targetPkg, GrantUri grantUri, 7205 final int modeFlags, UriPermissionOwner owner, int targetUserId) { 7206 if (targetPkg == null) { 7207 throw new NullPointerException("targetPkg"); 7208 } 7209 int targetUid; 7210 final IPackageManager pm = AppGlobals.getPackageManager(); 7211 try { 7212 targetUid = pm.getPackageUid(targetPkg, targetUserId); 7213 } catch (RemoteException ex) { 7214 return; 7215 } 7216 7217 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, modeFlags, 7218 targetUid); 7219 if (targetUid < 0) { 7220 return; 7221 } 7222 7223 grantUriPermissionUncheckedLocked(targetUid, targetPkg, grantUri, modeFlags, 7224 owner); 7225 } 7226 7227 static class NeededUriGrants extends ArrayList<GrantUri> { 7228 final String targetPkg; 7229 final int targetUid; 7230 final int flags; 7231 7232 NeededUriGrants(String targetPkg, int targetUid, int flags) { 7233 this.targetPkg = targetPkg; 7234 this.targetUid = targetUid; 7235 this.flags = flags; 7236 } 7237 } 7238 7239 /** 7240 * Like checkGrantUriPermissionLocked, but takes an Intent. 7241 */ 7242 NeededUriGrants checkGrantUriPermissionFromIntentLocked(int callingUid, 7243 String targetPkg, Intent intent, int mode, NeededUriGrants needed, int targetUserId) { 7244 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7245 "Checking URI perm to data=" + (intent != null ? intent.getData() : null) 7246 + " clip=" + (intent != null ? intent.getClipData() : null) 7247 + " from " + intent + "; flags=0x" 7248 + Integer.toHexString(intent != null ? intent.getFlags() : 0)); 7249 7250 if (targetPkg == null) { 7251 throw new NullPointerException("targetPkg"); 7252 } 7253 7254 if (intent == null) { 7255 return null; 7256 } 7257 Uri data = intent.getData(); 7258 ClipData clip = intent.getClipData(); 7259 if (data == null && clip == null) { 7260 return null; 7261 } 7262 // Default userId for uris in the intent (if they don't specify it themselves) 7263 int contentUserHint = intent.getContentUserHint(); 7264 if (contentUserHint == UserHandle.USER_CURRENT) { 7265 contentUserHint = UserHandle.getUserId(callingUid); 7266 } 7267 final IPackageManager pm = AppGlobals.getPackageManager(); 7268 int targetUid; 7269 if (needed != null) { 7270 targetUid = needed.targetUid; 7271 } else { 7272 try { 7273 targetUid = pm.getPackageUid(targetPkg, targetUserId); 7274 } catch (RemoteException ex) { 7275 return null; 7276 } 7277 if (targetUid < 0) { 7278 if (DEBUG_URI_PERMISSION) { 7279 Slog.v(TAG, "Can't grant URI permission no uid for: " + targetPkg 7280 + " on user " + targetUserId); 7281 } 7282 return null; 7283 } 7284 } 7285 if (data != null) { 7286 GrantUri grantUri = GrantUri.resolve(contentUserHint, data); 7287 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode, 7288 targetUid); 7289 if (targetUid > 0) { 7290 if (needed == null) { 7291 needed = new NeededUriGrants(targetPkg, targetUid, mode); 7292 } 7293 needed.add(grantUri); 7294 } 7295 } 7296 if (clip != null) { 7297 for (int i=0; i<clip.getItemCount(); i++) { 7298 Uri uri = clip.getItemAt(i).getUri(); 7299 if (uri != null) { 7300 GrantUri grantUri = GrantUri.resolve(contentUserHint, uri); 7301 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode, 7302 targetUid); 7303 if (targetUid > 0) { 7304 if (needed == null) { 7305 needed = new NeededUriGrants(targetPkg, targetUid, mode); 7306 } 7307 needed.add(grantUri); 7308 } 7309 } else { 7310 Intent clipIntent = clip.getItemAt(i).getIntent(); 7311 if (clipIntent != null) { 7312 NeededUriGrants newNeeded = checkGrantUriPermissionFromIntentLocked( 7313 callingUid, targetPkg, clipIntent, mode, needed, targetUserId); 7314 if (newNeeded != null) { 7315 needed = newNeeded; 7316 } 7317 } 7318 } 7319 } 7320 } 7321 7322 return needed; 7323 } 7324 7325 /** 7326 * Like grantUriPermissionUncheckedLocked, but takes an Intent. 7327 */ 7328 void grantUriPermissionUncheckedFromIntentLocked(NeededUriGrants needed, 7329 UriPermissionOwner owner) { 7330 if (needed != null) { 7331 for (int i=0; i<needed.size(); i++) { 7332 GrantUri grantUri = needed.get(i); 7333 grantUriPermissionUncheckedLocked(needed.targetUid, needed.targetPkg, 7334 grantUri, needed.flags, owner); 7335 } 7336 } 7337 } 7338 7339 void grantUriPermissionFromIntentLocked(int callingUid, 7340 String targetPkg, Intent intent, UriPermissionOwner owner, int targetUserId) { 7341 NeededUriGrants needed = checkGrantUriPermissionFromIntentLocked(callingUid, targetPkg, 7342 intent, intent != null ? intent.getFlags() : 0, null, targetUserId); 7343 if (needed == null) { 7344 return; 7345 } 7346 7347 grantUriPermissionUncheckedFromIntentLocked(needed, owner); 7348 } 7349 7350 /** 7351 * @param uri This uri must NOT contain an embedded userId. 7352 * @param userId The userId in which the uri is to be resolved. 7353 */ 7354 @Override 7355 public void grantUriPermission(IApplicationThread caller, String targetPkg, Uri uri, 7356 final int modeFlags, int userId) { 7357 enforceNotIsolatedCaller("grantUriPermission"); 7358 GrantUri grantUri = new GrantUri(userId, uri, false); 7359 synchronized(this) { 7360 final ProcessRecord r = getRecordForAppLocked(caller); 7361 if (r == null) { 7362 throw new SecurityException("Unable to find app for caller " 7363 + caller 7364 + " when granting permission to uri " + grantUri); 7365 } 7366 if (targetPkg == null) { 7367 throw new IllegalArgumentException("null target"); 7368 } 7369 if (grantUri == null) { 7370 throw new IllegalArgumentException("null uri"); 7371 } 7372 7373 Preconditions.checkFlagsArgument(modeFlags, Intent.FLAG_GRANT_READ_URI_PERMISSION 7374 | Intent.FLAG_GRANT_WRITE_URI_PERMISSION 7375 | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION 7376 | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION); 7377 7378 grantUriPermissionLocked(r.uid, targetPkg, grantUri, modeFlags, null, 7379 UserHandle.getUserId(r.uid)); 7380 } 7381 } 7382 7383 void removeUriPermissionIfNeededLocked(UriPermission perm) { 7384 if (perm.modeFlags == 0) { 7385 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get( 7386 perm.targetUid); 7387 if (perms != null) { 7388 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 7389 "Removing " + perm.targetUid + " permission to " + perm.uri); 7390 7391 perms.remove(perm.uri); 7392 if (perms.isEmpty()) { 7393 mGrantedUriPermissions.remove(perm.targetUid); 7394 } 7395 } 7396 } 7397 } 7398 7399 private void revokeUriPermissionLocked(int callingUid, GrantUri grantUri, final int modeFlags) { 7400 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Revoking all granted permissions to " + grantUri); 7401 7402 final IPackageManager pm = AppGlobals.getPackageManager(); 7403 final String authority = grantUri.uri.getAuthority(); 7404 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 7405 if (pi == null) { 7406 Slog.w(TAG, "No content provider found for permission revoke: " 7407 + grantUri.toSafeString()); 7408 return; 7409 } 7410 7411 // Does the caller have this permission on the URI? 7412 if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) { 7413 // Right now, if you are not the original owner of the permission, 7414 // you are not allowed to revoke it. 7415 //if (!checkUriPermissionLocked(uri, callingUid, modeFlags)) { 7416 throw new SecurityException("Uid " + callingUid 7417 + " does not have permission to uri " + grantUri); 7418 //} 7419 } 7420 7421 boolean persistChanged = false; 7422 7423 // Go through all of the permissions and remove any that match. 7424 int N = mGrantedUriPermissions.size(); 7425 for (int i = 0; i < N; i++) { 7426 final int targetUid = mGrantedUriPermissions.keyAt(i); 7427 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7428 7429 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 7430 final UriPermission perm = it.next(); 7431 if (perm.uri.sourceUserId == grantUri.sourceUserId 7432 && perm.uri.uri.isPathPrefixMatch(grantUri.uri)) { 7433 if (DEBUG_URI_PERMISSION) 7434 Slog.v(TAG, 7435 "Revoking " + perm.targetUid + " permission to " + perm.uri); 7436 persistChanged |= perm.revokeModes( 7437 modeFlags | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 7438 if (perm.modeFlags == 0) { 7439 it.remove(); 7440 } 7441 } 7442 } 7443 7444 if (perms.isEmpty()) { 7445 mGrantedUriPermissions.remove(targetUid); 7446 N--; 7447 i--; 7448 } 7449 } 7450 7451 if (persistChanged) { 7452 schedulePersistUriGrants(); 7453 } 7454 } 7455 7456 /** 7457 * @param uri This uri must NOT contain an embedded userId. 7458 * @param userId The userId in which the uri is to be resolved. 7459 */ 7460 @Override 7461 public void revokeUriPermission(IApplicationThread caller, Uri uri, final int modeFlags, 7462 int userId) { 7463 enforceNotIsolatedCaller("revokeUriPermission"); 7464 synchronized(this) { 7465 final ProcessRecord r = getRecordForAppLocked(caller); 7466 if (r == null) { 7467 throw new SecurityException("Unable to find app for caller " 7468 + caller 7469 + " when revoking permission to uri " + uri); 7470 } 7471 if (uri == null) { 7472 Slog.w(TAG, "revokeUriPermission: null uri"); 7473 return; 7474 } 7475 7476 if (!Intent.isAccessUriMode(modeFlags)) { 7477 return; 7478 } 7479 7480 final IPackageManager pm = AppGlobals.getPackageManager(); 7481 final String authority = uri.getAuthority(); 7482 final ProviderInfo pi = getProviderInfoLocked(authority, userId); 7483 if (pi == null) { 7484 Slog.w(TAG, "No content provider found for permission revoke: " 7485 + uri.toSafeString()); 7486 return; 7487 } 7488 7489 revokeUriPermissionLocked(r.uid, new GrantUri(userId, uri, false), modeFlags); 7490 } 7491 } 7492 7493 /** 7494 * Remove any {@link UriPermission} granted <em>from</em> or <em>to</em> the 7495 * given package. 7496 * 7497 * @param packageName Package name to match, or {@code null} to apply to all 7498 * packages. 7499 * @param userHandle User to match, or {@link UserHandle#USER_ALL} to apply 7500 * to all users. 7501 * @param persistable If persistable grants should be removed. 7502 */ 7503 private void removeUriPermissionsForPackageLocked( 7504 String packageName, int userHandle, boolean persistable) { 7505 if (userHandle == UserHandle.USER_ALL && packageName == null) { 7506 throw new IllegalArgumentException("Must narrow by either package or user"); 7507 } 7508 7509 boolean persistChanged = false; 7510 7511 int N = mGrantedUriPermissions.size(); 7512 for (int i = 0; i < N; i++) { 7513 final int targetUid = mGrantedUriPermissions.keyAt(i); 7514 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7515 7516 // Only inspect grants matching user 7517 if (userHandle == UserHandle.USER_ALL 7518 || userHandle == UserHandle.getUserId(targetUid)) { 7519 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 7520 final UriPermission perm = it.next(); 7521 7522 // Only inspect grants matching package 7523 if (packageName == null || perm.sourcePkg.equals(packageName) 7524 || perm.targetPkg.equals(packageName)) { 7525 persistChanged |= perm.revokeModes( 7526 persistable ? ~0 : ~Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 7527 7528 // Only remove when no modes remain; any persisted grants 7529 // will keep this alive. 7530 if (perm.modeFlags == 0) { 7531 it.remove(); 7532 } 7533 } 7534 } 7535 7536 if (perms.isEmpty()) { 7537 mGrantedUriPermissions.remove(targetUid); 7538 N--; 7539 i--; 7540 } 7541 } 7542 } 7543 7544 if (persistChanged) { 7545 schedulePersistUriGrants(); 7546 } 7547 } 7548 7549 @Override 7550 public IBinder newUriPermissionOwner(String name) { 7551 enforceNotIsolatedCaller("newUriPermissionOwner"); 7552 synchronized(this) { 7553 UriPermissionOwner owner = new UriPermissionOwner(this, name); 7554 return owner.getExternalTokenLocked(); 7555 } 7556 } 7557 7558 /** 7559 * @param uri This uri must NOT contain an embedded userId. 7560 * @param sourceUserId The userId in which the uri is to be resolved. 7561 * @param targetUserId The userId of the app that receives the grant. 7562 */ 7563 @Override 7564 public void grantUriPermissionFromOwner(IBinder token, int fromUid, String targetPkg, Uri uri, 7565 final int modeFlags, int sourceUserId, int targetUserId) { 7566 targetUserId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 7567 targetUserId, false, ALLOW_FULL_ONLY, "grantUriPermissionFromOwner", null); 7568 synchronized(this) { 7569 UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); 7570 if (owner == null) { 7571 throw new IllegalArgumentException("Unknown owner: " + token); 7572 } 7573 if (fromUid != Binder.getCallingUid()) { 7574 if (Binder.getCallingUid() != Process.myUid()) { 7575 // Only system code can grant URI permissions on behalf 7576 // of other users. 7577 throw new SecurityException("nice try"); 7578 } 7579 } 7580 if (targetPkg == null) { 7581 throw new IllegalArgumentException("null target"); 7582 } 7583 if (uri == null) { 7584 throw new IllegalArgumentException("null uri"); 7585 } 7586 7587 grantUriPermissionLocked(fromUid, targetPkg, new GrantUri(sourceUserId, uri, false), 7588 modeFlags, owner, targetUserId); 7589 } 7590 } 7591 7592 /** 7593 * @param uri This uri must NOT contain an embedded userId. 7594 * @param userId The userId in which the uri is to be resolved. 7595 */ 7596 @Override 7597 public void revokeUriPermissionFromOwner(IBinder token, Uri uri, int mode, int userId) { 7598 synchronized(this) { 7599 UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); 7600 if (owner == null) { 7601 throw new IllegalArgumentException("Unknown owner: " + token); 7602 } 7603 7604 if (uri == null) { 7605 owner.removeUriPermissionsLocked(mode); 7606 } else { 7607 owner.removeUriPermissionLocked(new GrantUri(userId, uri, false), mode); 7608 } 7609 } 7610 } 7611 7612 private void schedulePersistUriGrants() { 7613 if (!mHandler.hasMessages(PERSIST_URI_GRANTS_MSG)) { 7614 mHandler.sendMessageDelayed(mHandler.obtainMessage(PERSIST_URI_GRANTS_MSG), 7615 10 * DateUtils.SECOND_IN_MILLIS); 7616 } 7617 } 7618 7619 private void writeGrantedUriPermissions() { 7620 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "writeGrantedUriPermissions()"); 7621 7622 // Snapshot permissions so we can persist without lock 7623 ArrayList<UriPermission.Snapshot> persist = Lists.newArrayList(); 7624 synchronized (this) { 7625 final int size = mGrantedUriPermissions.size(); 7626 for (int i = 0; i < size; i++) { 7627 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7628 for (UriPermission perm : perms.values()) { 7629 if (perm.persistedModeFlags != 0) { 7630 persist.add(perm.snapshot()); 7631 } 7632 } 7633 } 7634 } 7635 7636 FileOutputStream fos = null; 7637 try { 7638 fos = mGrantFile.startWrite(); 7639 7640 XmlSerializer out = new FastXmlSerializer(); 7641 out.setOutput(fos, "utf-8"); 7642 out.startDocument(null, true); 7643 out.startTag(null, TAG_URI_GRANTS); 7644 for (UriPermission.Snapshot perm : persist) { 7645 out.startTag(null, TAG_URI_GRANT); 7646 writeIntAttribute(out, ATTR_SOURCE_USER_ID, perm.uri.sourceUserId); 7647 writeIntAttribute(out, ATTR_TARGET_USER_ID, perm.targetUserId); 7648 out.attribute(null, ATTR_SOURCE_PKG, perm.sourcePkg); 7649 out.attribute(null, ATTR_TARGET_PKG, perm.targetPkg); 7650 out.attribute(null, ATTR_URI, String.valueOf(perm.uri.uri)); 7651 writeBooleanAttribute(out, ATTR_PREFIX, perm.uri.prefix); 7652 writeIntAttribute(out, ATTR_MODE_FLAGS, perm.persistedModeFlags); 7653 writeLongAttribute(out, ATTR_CREATED_TIME, perm.persistedCreateTime); 7654 out.endTag(null, TAG_URI_GRANT); 7655 } 7656 out.endTag(null, TAG_URI_GRANTS); 7657 out.endDocument(); 7658 7659 mGrantFile.finishWrite(fos); 7660 } catch (IOException e) { 7661 if (fos != null) { 7662 mGrantFile.failWrite(fos); 7663 } 7664 } 7665 } 7666 7667 private void readGrantedUriPermissionsLocked() { 7668 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "readGrantedUriPermissions()"); 7669 7670 final long now = System.currentTimeMillis(); 7671 7672 FileInputStream fis = null; 7673 try { 7674 fis = mGrantFile.openRead(); 7675 final XmlPullParser in = Xml.newPullParser(); 7676 in.setInput(fis, null); 7677 7678 int type; 7679 while ((type = in.next()) != END_DOCUMENT) { 7680 final String tag = in.getName(); 7681 if (type == START_TAG) { 7682 if (TAG_URI_GRANT.equals(tag)) { 7683 final int sourceUserId; 7684 final int targetUserId; 7685 final int userHandle = readIntAttribute(in, 7686 ATTR_USER_HANDLE, UserHandle.USER_NULL); 7687 if (userHandle != UserHandle.USER_NULL) { 7688 // For backwards compatibility. 7689 sourceUserId = userHandle; 7690 targetUserId = userHandle; 7691 } else { 7692 sourceUserId = readIntAttribute(in, ATTR_SOURCE_USER_ID); 7693 targetUserId = readIntAttribute(in, ATTR_TARGET_USER_ID); 7694 } 7695 final String sourcePkg = in.getAttributeValue(null, ATTR_SOURCE_PKG); 7696 final String targetPkg = in.getAttributeValue(null, ATTR_TARGET_PKG); 7697 final Uri uri = Uri.parse(in.getAttributeValue(null, ATTR_URI)); 7698 final boolean prefix = readBooleanAttribute(in, ATTR_PREFIX); 7699 final int modeFlags = readIntAttribute(in, ATTR_MODE_FLAGS); 7700 final long createdTime = readLongAttribute(in, ATTR_CREATED_TIME, now); 7701 7702 // Sanity check that provider still belongs to source package 7703 final ProviderInfo pi = getProviderInfoLocked( 7704 uri.getAuthority(), sourceUserId); 7705 if (pi != null && sourcePkg.equals(pi.packageName)) { 7706 int targetUid = -1; 7707 try { 7708 targetUid = AppGlobals.getPackageManager() 7709 .getPackageUid(targetPkg, targetUserId); 7710 } catch (RemoteException e) { 7711 } 7712 if (targetUid != -1) { 7713 final UriPermission perm = findOrCreateUriPermissionLocked( 7714 sourcePkg, targetPkg, targetUid, 7715 new GrantUri(sourceUserId, uri, prefix)); 7716 perm.initPersistedModes(modeFlags, createdTime); 7717 } 7718 } else { 7719 Slog.w(TAG, "Persisted grant for " + uri + " had source " + sourcePkg 7720 + " but instead found " + pi); 7721 } 7722 } 7723 } 7724 } 7725 } catch (FileNotFoundException e) { 7726 // Missing grants is okay 7727 } catch (IOException e) { 7728 Log.wtf(TAG, "Failed reading Uri grants", e); 7729 } catch (XmlPullParserException e) { 7730 Log.wtf(TAG, "Failed reading Uri grants", e); 7731 } finally { 7732 IoUtils.closeQuietly(fis); 7733 } 7734 } 7735 7736 /** 7737 * @param uri This uri must NOT contain an embedded userId. 7738 * @param userId The userId in which the uri is to be resolved. 7739 */ 7740 @Override 7741 public void takePersistableUriPermission(Uri uri, final int modeFlags, int userId) { 7742 enforceNotIsolatedCaller("takePersistableUriPermission"); 7743 7744 Preconditions.checkFlagsArgument(modeFlags, 7745 Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); 7746 7747 synchronized (this) { 7748 final int callingUid = Binder.getCallingUid(); 7749 boolean persistChanged = false; 7750 GrantUri grantUri = new GrantUri(userId, uri, false); 7751 7752 UriPermission exactPerm = findUriPermissionLocked(callingUid, 7753 new GrantUri(userId, uri, false)); 7754 UriPermission prefixPerm = findUriPermissionLocked(callingUid, 7755 new GrantUri(userId, uri, true)); 7756 7757 final boolean exactValid = (exactPerm != null) 7758 && ((modeFlags & exactPerm.persistableModeFlags) == modeFlags); 7759 final boolean prefixValid = (prefixPerm != null) 7760 && ((modeFlags & prefixPerm.persistableModeFlags) == modeFlags); 7761 7762 if (!(exactValid || prefixValid)) { 7763 throw new SecurityException("No persistable permission grants found for UID " 7764 + callingUid + " and Uri " + grantUri.toSafeString()); 7765 } 7766 7767 if (exactValid) { 7768 persistChanged |= exactPerm.takePersistableModes(modeFlags); 7769 } 7770 if (prefixValid) { 7771 persistChanged |= prefixPerm.takePersistableModes(modeFlags); 7772 } 7773 7774 persistChanged |= maybePrunePersistedUriGrantsLocked(callingUid); 7775 7776 if (persistChanged) { 7777 schedulePersistUriGrants(); 7778 } 7779 } 7780 } 7781 7782 /** 7783 * @param uri This uri must NOT contain an embedded userId. 7784 * @param userId The userId in which the uri is to be resolved. 7785 */ 7786 @Override 7787 public void releasePersistableUriPermission(Uri uri, final int modeFlags, int userId) { 7788 enforceNotIsolatedCaller("releasePersistableUriPermission"); 7789 7790 Preconditions.checkFlagsArgument(modeFlags, 7791 Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); 7792 7793 synchronized (this) { 7794 final int callingUid = Binder.getCallingUid(); 7795 boolean persistChanged = false; 7796 7797 UriPermission exactPerm = findUriPermissionLocked(callingUid, 7798 new GrantUri(userId, uri, false)); 7799 UriPermission prefixPerm = findUriPermissionLocked(callingUid, 7800 new GrantUri(userId, uri, true)); 7801 if (exactPerm == null && prefixPerm == null) { 7802 throw new SecurityException("No permission grants found for UID " + callingUid 7803 + " and Uri " + uri.toSafeString()); 7804 } 7805 7806 if (exactPerm != null) { 7807 persistChanged |= exactPerm.releasePersistableModes(modeFlags); 7808 removeUriPermissionIfNeededLocked(exactPerm); 7809 } 7810 if (prefixPerm != null) { 7811 persistChanged |= prefixPerm.releasePersistableModes(modeFlags); 7812 removeUriPermissionIfNeededLocked(prefixPerm); 7813 } 7814 7815 if (persistChanged) { 7816 schedulePersistUriGrants(); 7817 } 7818 } 7819 } 7820 7821 /** 7822 * Prune any older {@link UriPermission} for the given UID until outstanding 7823 * persisted grants are below {@link #MAX_PERSISTED_URI_GRANTS}. 7824 * 7825 * @return if any mutations occured that require persisting. 7826 */ 7827 private boolean maybePrunePersistedUriGrantsLocked(int uid) { 7828 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(uid); 7829 if (perms == null) return false; 7830 if (perms.size() < MAX_PERSISTED_URI_GRANTS) return false; 7831 7832 final ArrayList<UriPermission> persisted = Lists.newArrayList(); 7833 for (UriPermission perm : perms.values()) { 7834 if (perm.persistedModeFlags != 0) { 7835 persisted.add(perm); 7836 } 7837 } 7838 7839 final int trimCount = persisted.size() - MAX_PERSISTED_URI_GRANTS; 7840 if (trimCount <= 0) return false; 7841 7842 Collections.sort(persisted, new UriPermission.PersistedTimeComparator()); 7843 for (int i = 0; i < trimCount; i++) { 7844 final UriPermission perm = persisted.get(i); 7845 7846 if (DEBUG_URI_PERMISSION) { 7847 Slog.v(TAG, "Trimming grant created at " + perm.persistedCreateTime); 7848 } 7849 7850 perm.releasePersistableModes(~0); 7851 removeUriPermissionIfNeededLocked(perm); 7852 } 7853 7854 return true; 7855 } 7856 7857 @Override 7858 public ParceledListSlice<android.content.UriPermission> getPersistedUriPermissions( 7859 String packageName, boolean incoming) { 7860 enforceNotIsolatedCaller("getPersistedUriPermissions"); 7861 Preconditions.checkNotNull(packageName, "packageName"); 7862 7863 final int callingUid = Binder.getCallingUid(); 7864 final IPackageManager pm = AppGlobals.getPackageManager(); 7865 try { 7866 final int packageUid = pm.getPackageUid(packageName, UserHandle.getUserId(callingUid)); 7867 if (packageUid != callingUid) { 7868 throw new SecurityException( 7869 "Package " + packageName + " does not belong to calling UID " + callingUid); 7870 } 7871 } catch (RemoteException e) { 7872 throw new SecurityException("Failed to verify package name ownership"); 7873 } 7874 7875 final ArrayList<android.content.UriPermission> result = Lists.newArrayList(); 7876 synchronized (this) { 7877 if (incoming) { 7878 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get( 7879 callingUid); 7880 if (perms == null) { 7881 Slog.w(TAG, "No permission grants found for " + packageName); 7882 } else { 7883 for (UriPermission perm : perms.values()) { 7884 if (packageName.equals(perm.targetPkg) && perm.persistedModeFlags != 0) { 7885 result.add(perm.buildPersistedPublicApiObject()); 7886 } 7887 } 7888 } 7889 } else { 7890 final int size = mGrantedUriPermissions.size(); 7891 for (int i = 0; i < size; i++) { 7892 final ArrayMap<GrantUri, UriPermission> perms = 7893 mGrantedUriPermissions.valueAt(i); 7894 for (UriPermission perm : perms.values()) { 7895 if (packageName.equals(perm.sourcePkg) && perm.persistedModeFlags != 0) { 7896 result.add(perm.buildPersistedPublicApiObject()); 7897 } 7898 } 7899 } 7900 } 7901 } 7902 return new ParceledListSlice<android.content.UriPermission>(result); 7903 } 7904 7905 @Override 7906 public void showWaitingForDebugger(IApplicationThread who, boolean waiting) { 7907 synchronized (this) { 7908 ProcessRecord app = 7909 who != null ? getRecordForAppLocked(who) : null; 7910 if (app == null) return; 7911 7912 Message msg = Message.obtain(); 7913 msg.what = WAIT_FOR_DEBUGGER_MSG; 7914 msg.obj = app; 7915 msg.arg1 = waiting ? 1 : 0; 7916 mHandler.sendMessage(msg); 7917 } 7918 } 7919 7920 @Override 7921 public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) { 7922 final long homeAppMem = mProcessList.getMemLevel(ProcessList.HOME_APP_ADJ); 7923 final long cachedAppMem = mProcessList.getMemLevel(ProcessList.CACHED_APP_MIN_ADJ); 7924 outInfo.availMem = Process.getFreeMemory(); 7925 outInfo.totalMem = Process.getTotalMemory(); 7926 outInfo.threshold = homeAppMem; 7927 outInfo.lowMemory = outInfo.availMem < (homeAppMem + ((cachedAppMem-homeAppMem)/2)); 7928 outInfo.hiddenAppThreshold = cachedAppMem; 7929 outInfo.secondaryServerThreshold = mProcessList.getMemLevel( 7930 ProcessList.SERVICE_ADJ); 7931 outInfo.visibleAppThreshold = mProcessList.getMemLevel( 7932 ProcessList.VISIBLE_APP_ADJ); 7933 outInfo.foregroundAppThreshold = mProcessList.getMemLevel( 7934 ProcessList.FOREGROUND_APP_ADJ); 7935 } 7936 7937 // ========================================================= 7938 // TASK MANAGEMENT 7939 // ========================================================= 7940 7941 @Override 7942 public List<IAppTask> getAppTasks(String callingPackage) { 7943 int callingUid = Binder.getCallingUid(); 7944 long ident = Binder.clearCallingIdentity(); 7945 7946 synchronized(this) { 7947 ArrayList<IAppTask> list = new ArrayList<IAppTask>(); 7948 try { 7949 if (localLOGV) Slog.v(TAG, "getAppTasks"); 7950 7951 final int N = mRecentTasks.size(); 7952 for (int i = 0; i < N; i++) { 7953 TaskRecord tr = mRecentTasks.get(i); 7954 // Skip tasks that do not match the caller. We don't need to verify 7955 // callingPackage, because we are also limiting to callingUid and know 7956 // that will limit to the correct security sandbox. 7957 if (tr.effectiveUid != callingUid) { 7958 continue; 7959 } 7960 Intent intent = tr.getBaseIntent(); 7961 if (intent == null || 7962 !callingPackage.equals(intent.getComponent().getPackageName())) { 7963 continue; 7964 } 7965 ActivityManager.RecentTaskInfo taskInfo = 7966 createRecentTaskInfoFromTaskRecord(tr); 7967 AppTaskImpl taskImpl = new AppTaskImpl(taskInfo.persistentId, callingUid); 7968 list.add(taskImpl); 7969 } 7970 } finally { 7971 Binder.restoreCallingIdentity(ident); 7972 } 7973 return list; 7974 } 7975 } 7976 7977 @Override 7978 public List<RunningTaskInfo> getTasks(int maxNum, int flags) { 7979 final int callingUid = Binder.getCallingUid(); 7980 ArrayList<RunningTaskInfo> list = new ArrayList<RunningTaskInfo>(); 7981 7982 synchronized(this) { 7983 if (localLOGV) Slog.v( 7984 TAG, "getTasks: max=" + maxNum + ", flags=" + flags); 7985 7986 final boolean allowed = checkCallingPermission( 7987 android.Manifest.permission.GET_TASKS) 7988 == PackageManager.PERMISSION_GRANTED; 7989 if (!allowed) { 7990 Slog.w(TAG, "getTasks: caller " + callingUid 7991 + " does not hold GET_TASKS; limiting output"); 7992 } 7993 7994 // TODO: Improve with MRU list from all ActivityStacks. 7995 mStackSupervisor.getTasksLocked(maxNum, list, callingUid, allowed); 7996 } 7997 7998 return list; 7999 } 8000 8001 TaskRecord getMostRecentTask() { 8002 return mRecentTasks.get(0); 8003 } 8004 8005 /** 8006 * Creates a new RecentTaskInfo from a TaskRecord. 8007 */ 8008 private ActivityManager.RecentTaskInfo createRecentTaskInfoFromTaskRecord(TaskRecord tr) { 8009 // Update the task description to reflect any changes in the task stack 8010 tr.updateTaskDescription(); 8011 8012 // Compose the recent task info 8013 ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo(); 8014 rti.id = tr.getTopActivity() == null ? -1 : tr.taskId; 8015 rti.persistentId = tr.taskId; 8016 rti.baseIntent = new Intent(tr.getBaseIntent()); 8017 rti.origActivity = tr.origActivity; 8018 rti.description = tr.lastDescription; 8019 rti.stackId = tr.stack != null ? tr.stack.mStackId : -1; 8020 rti.userId = tr.userId; 8021 rti.taskDescription = new ActivityManager.TaskDescription(tr.lastTaskDescription); 8022 rti.firstActiveTime = tr.firstActiveTime; 8023 rti.lastActiveTime = tr.lastActiveTime; 8024 rti.affiliatedTaskId = tr.mAffiliatedTaskId; 8025 rti.affiliatedTaskColor = tr.mAffiliatedTaskColor; 8026 return rti; 8027 } 8028 8029 @Override 8030 public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum, int flags, int userId) { 8031 final int callingUid = Binder.getCallingUid(); 8032 userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, 8033 false, ALLOW_FULL_ONLY, "getRecentTasks", null); 8034 8035 final boolean includeProfiles = (flags & ActivityManager.RECENT_INCLUDE_PROFILES) != 0; 8036 final boolean withExcluded = (flags&ActivityManager.RECENT_WITH_EXCLUDED) != 0; 8037 synchronized (this) { 8038 final boolean allowed = checkCallingPermission(android.Manifest.permission.GET_TASKS) 8039 == PackageManager.PERMISSION_GRANTED; 8040 if (!allowed) { 8041 Slog.w(TAG, "getRecentTasks: caller " + callingUid 8042 + " does not hold GET_TASKS; limiting output"); 8043 } 8044 final boolean detailed = checkCallingPermission( 8045 android.Manifest.permission.GET_DETAILED_TASKS) 8046 == PackageManager.PERMISSION_GRANTED; 8047 8048 final int N = mRecentTasks.size(); 8049 ArrayList<ActivityManager.RecentTaskInfo> res 8050 = new ArrayList<ActivityManager.RecentTaskInfo>( 8051 maxNum < N ? maxNum : N); 8052 8053 final Set<Integer> includedUsers; 8054 if (includeProfiles) { 8055 includedUsers = getProfileIdsLocked(userId); 8056 } else { 8057 includedUsers = new HashSet<Integer>(); 8058 } 8059 includedUsers.add(Integer.valueOf(userId)); 8060 8061 for (int i=0; i<N && maxNum > 0; i++) { 8062 TaskRecord tr = mRecentTasks.get(i); 8063 // Only add calling user or related users recent tasks 8064 if (!includedUsers.contains(Integer.valueOf(tr.userId))) { 8065 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, not user: " + tr); 8066 continue; 8067 } 8068 8069 // Return the entry if desired by the caller. We always return 8070 // the first entry, because callers always expect this to be the 8071 // foreground app. We may filter others if the caller has 8072 // not supplied RECENT_WITH_EXCLUDED and there is some reason 8073 // we should exclude the entry. 8074 8075 if (i == 0 8076 || withExcluded 8077 || (tr.intent == null) 8078 || ((tr.intent.getFlags() & Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS) 8079 == 0)) { 8080 if (!allowed) { 8081 // If the caller doesn't have the GET_TASKS permission, then only 8082 // allow them to see a small subset of tasks -- their own and home. 8083 if (!tr.isHomeTask() && tr.effectiveUid != callingUid) { 8084 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, not allowed: " + tr); 8085 continue; 8086 } 8087 } 8088 if ((flags & ActivityManager.RECENT_IGNORE_HOME_STACK_TASKS) != 0) { 8089 if (tr.stack != null && tr.stack.isHomeStack()) { 8090 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, home stack task: " + tr); 8091 continue; 8092 } 8093 } 8094 if (tr.autoRemoveRecents && tr.getTopActivity() == null) { 8095 // Don't include auto remove tasks that are finished or finishing. 8096 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, auto-remove without activity: " 8097 + tr); 8098 continue; 8099 } 8100 if ((flags&ActivityManager.RECENT_IGNORE_UNAVAILABLE) != 0 8101 && !tr.isAvailable) { 8102 if (DEBUG_RECENTS) Slog.d(TAG, "Skipping, unavail real act: " + tr); 8103 continue; 8104 } 8105 8106 ActivityManager.RecentTaskInfo rti = createRecentTaskInfoFromTaskRecord(tr); 8107 if (!detailed) { 8108 rti.baseIntent.replaceExtras((Bundle)null); 8109 } 8110 8111 res.add(rti); 8112 maxNum--; 8113 } 8114 } 8115 return res; 8116 } 8117 } 8118 8119 private TaskRecord recentTaskForIdLocked(int id) { 8120 final int N = mRecentTasks.size(); 8121 for (int i=0; i<N; i++) { 8122 TaskRecord tr = mRecentTasks.get(i); 8123 if (tr.taskId == id) { 8124 return tr; 8125 } 8126 } 8127 return null; 8128 } 8129 8130 @Override 8131 public ActivityManager.TaskThumbnail getTaskThumbnail(int id) { 8132 synchronized (this) { 8133 enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, 8134 "getTaskThumbnail()"); 8135 TaskRecord tr = recentTaskForIdLocked(id); 8136 if (tr != null) { 8137 return tr.getTaskThumbnailLocked(); 8138 } 8139 } 8140 return null; 8141 } 8142 8143 @Override 8144 public int addAppTask(IBinder activityToken, Intent intent, 8145 ActivityManager.TaskDescription description, Bitmap thumbnail) throws RemoteException { 8146 final int callingUid = Binder.getCallingUid(); 8147 final long callingIdent = Binder.clearCallingIdentity(); 8148 8149 try { 8150 synchronized (this) { 8151 ActivityRecord r = ActivityRecord.isInStackLocked(activityToken); 8152 if (r == null) { 8153 throw new IllegalArgumentException("Activity does not exist; token=" 8154 + activityToken); 8155 } 8156 ComponentName comp = intent.getComponent(); 8157 if (comp == null) { 8158 throw new IllegalArgumentException("Intent " + intent 8159 + " must specify explicit component"); 8160 } 8161 if (thumbnail.getWidth() != mThumbnailWidth 8162 || thumbnail.getHeight() != mThumbnailHeight) { 8163 throw new IllegalArgumentException("Bad thumbnail size: got " 8164 + thumbnail.getWidth() + "x" + thumbnail.getHeight() + ", require " 8165 + mThumbnailWidth + "x" + mThumbnailHeight); 8166 } 8167 if (intent.getSelector() != null) { 8168 intent.setSelector(null); 8169 } 8170 if (intent.getSourceBounds() != null) { 8171 intent.setSourceBounds(null); 8172 } 8173 if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0) { 8174 if ((intent.getFlags()&Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS) == 0) { 8175 // The caller has added this as an auto-remove task... that makes no 8176 // sense, so turn off auto-remove. 8177 intent.addFlags(Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS); 8178 } 8179 } else if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 8180 // Must be a new task. 8181 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8182 } 8183 if (!comp.equals(mLastAddedTaskComponent) || callingUid != mLastAddedTaskUid) { 8184 mLastAddedTaskActivity = null; 8185 } 8186 ActivityInfo ainfo = mLastAddedTaskActivity; 8187 if (ainfo == null) { 8188 ainfo = mLastAddedTaskActivity = AppGlobals.getPackageManager().getActivityInfo( 8189 comp, 0, UserHandle.getUserId(callingUid)); 8190 if (ainfo.applicationInfo.uid != callingUid) { 8191 throw new SecurityException( 8192 "Can't add task for another application: target uid=" 8193 + ainfo.applicationInfo.uid + ", calling uid=" + callingUid); 8194 } 8195 } 8196 8197 TaskRecord task = new TaskRecord(this, mStackSupervisor.getNextTaskId(), ainfo, 8198 intent, description); 8199 8200 int trimIdx = trimRecentsForTask(task, false); 8201 if (trimIdx >= 0) { 8202 // If this would have caused a trim, then we'll abort because that 8203 // means it would be added at the end of the list but then just removed. 8204 return -1; 8205 } 8206 8207 final int N = mRecentTasks.size(); 8208 if (N >= (ActivityManager.getMaxRecentTasksStatic()-1)) { 8209 final TaskRecord tr = mRecentTasks.remove(N - 1); 8210 tr.removedFromRecents(mTaskPersister); 8211 } 8212 8213 task.inRecents = true; 8214 mRecentTasks.add(task); 8215 r.task.stack.addTask(task, false, false); 8216 8217 task.setLastThumbnail(thumbnail); 8218 task.freeLastThumbnail(); 8219 8220 return task.taskId; 8221 } 8222 } finally { 8223 Binder.restoreCallingIdentity(callingIdent); 8224 } 8225 } 8226 8227 @Override 8228 public Point getAppTaskThumbnailSize() { 8229 synchronized (this) { 8230 return new Point(mThumbnailWidth, mThumbnailHeight); 8231 } 8232 } 8233 8234 @Override 8235 public void setTaskDescription(IBinder token, ActivityManager.TaskDescription td) { 8236 synchronized (this) { 8237 ActivityRecord r = ActivityRecord.isInStackLocked(token); 8238 if (r != null) { 8239 r.taskDescription = td; 8240 r.task.updateTaskDescription(); 8241 } 8242 } 8243 } 8244 8245 private void cleanUpRemovedTaskLocked(TaskRecord tr, int flags) { 8246 mRecentTasks.remove(tr); 8247 tr.removedFromRecents(mTaskPersister); 8248 final boolean killProcesses = (flags&ActivityManager.REMOVE_TASK_KILL_PROCESS) != 0; 8249 Intent baseIntent = new Intent( 8250 tr.intent != null ? tr.intent : tr.affinityIntent); 8251 ComponentName component = baseIntent.getComponent(); 8252 if (component == null) { 8253 Slog.w(TAG, "Now component for base intent of task: " + tr); 8254 return; 8255 } 8256 8257 // Find any running services associated with this app. 8258 mServices.cleanUpRemovedTaskLocked(tr, component, baseIntent); 8259 8260 if (killProcesses) { 8261 // Find any running processes associated with this app. 8262 final String pkg = component.getPackageName(); 8263 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 8264 ArrayMap<String, SparseArray<ProcessRecord>> pmap = mProcessNames.getMap(); 8265 for (int i=0; i<pmap.size(); i++) { 8266 SparseArray<ProcessRecord> uids = pmap.valueAt(i); 8267 for (int j=0; j<uids.size(); j++) { 8268 ProcessRecord proc = uids.valueAt(j); 8269 if (proc.userId != tr.userId) { 8270 continue; 8271 } 8272 if (!proc.pkgList.containsKey(pkg)) { 8273 continue; 8274 } 8275 procs.add(proc); 8276 } 8277 } 8278 8279 // Kill the running processes. 8280 for (int i=0; i<procs.size(); i++) { 8281 ProcessRecord pr = procs.get(i); 8282 if (pr == mHomeProcess) { 8283 // Don't kill the home process along with tasks from the same package. 8284 continue; 8285 } 8286 if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { 8287 pr.kill("remove task", true); 8288 } else { 8289 pr.waitingToKill = "remove task"; 8290 } 8291 } 8292 } 8293 } 8294 8295 /** 8296 * Removes the task with the specified task id. 8297 * 8298 * @param taskId Identifier of the task to be removed. 8299 * @param flags Additional operational flags. May be 0 or 8300 * {@link ActivityManager#REMOVE_TASK_KILL_PROCESS}. 8301 * @return Returns true if the given task was found and removed. 8302 */ 8303 private boolean removeTaskByIdLocked(int taskId, int flags) { 8304 TaskRecord tr = recentTaskForIdLocked(taskId); 8305 if (tr != null) { 8306 tr.removeTaskActivitiesLocked(); 8307 cleanUpRemovedTaskLocked(tr, flags); 8308 if (tr.isPersistable) { 8309 notifyTaskPersisterLocked(null, true); 8310 } 8311 return true; 8312 } 8313 return false; 8314 } 8315 8316 @Override 8317 public boolean removeTask(int taskId, int flags) { 8318 synchronized (this) { 8319 enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, 8320 "removeTask()"); 8321 long ident = Binder.clearCallingIdentity(); 8322 try { 8323 return removeTaskByIdLocked(taskId, flags); 8324 } finally { 8325 Binder.restoreCallingIdentity(ident); 8326 } 8327 } 8328 } 8329 8330 /** 8331 * TODO: Add mController hook 8332 */ 8333 @Override 8334 public void moveTaskToFront(int taskId, int flags, Bundle options) { 8335 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 8336 "moveTaskToFront()"); 8337 8338 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToFront: moving taskId=" + taskId); 8339 synchronized(this) { 8340 moveTaskToFrontLocked(taskId, flags, options); 8341 } 8342 } 8343 8344 void moveTaskToFrontLocked(int taskId, int flags, Bundle options) { 8345 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 8346 Binder.getCallingUid(), "Task to front")) { 8347 ActivityOptions.abort(options); 8348 return; 8349 } 8350 final long origId = Binder.clearCallingIdentity(); 8351 try { 8352 final TaskRecord task = mStackSupervisor.anyTaskForIdLocked(taskId); 8353 if (task == null) { 8354 return; 8355 } 8356 if (mStackSupervisor.isLockTaskModeViolation(task)) { 8357 mStackSupervisor.showLockTaskToast(); 8358 Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode"); 8359 return; 8360 } 8361 final ActivityRecord prev = mStackSupervisor.topRunningActivityLocked(); 8362 if (prev != null && prev.isRecentsActivity()) { 8363 task.setTaskToReturnTo(ActivityRecord.RECENTS_ACTIVITY_TYPE); 8364 } 8365 mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options); 8366 } finally { 8367 Binder.restoreCallingIdentity(origId); 8368 } 8369 ActivityOptions.abort(options); 8370 } 8371 8372 @Override 8373 public void moveTaskToBack(int taskId) { 8374 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 8375 "moveTaskToBack()"); 8376 8377 synchronized(this) { 8378 TaskRecord tr = recentTaskForIdLocked(taskId); 8379 if (tr != null) { 8380 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToBack: moving task=" + tr); 8381 ActivityStack stack = tr.stack; 8382 if (stack.mResumedActivity != null && stack.mResumedActivity.task == tr) { 8383 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 8384 Binder.getCallingUid(), "Task to back")) { 8385 return; 8386 } 8387 } 8388 final long origId = Binder.clearCallingIdentity(); 8389 try { 8390 stack.moveTaskToBackLocked(taskId, null); 8391 } finally { 8392 Binder.restoreCallingIdentity(origId); 8393 } 8394 } 8395 } 8396 } 8397 8398 /** 8399 * Moves an activity, and all of the other activities within the same task, to the bottom 8400 * of the history stack. The activity's order within the task is unchanged. 8401 * 8402 * @param token A reference to the activity we wish to move 8403 * @param nonRoot If false then this only works if the activity is the root 8404 * of a task; if true it will work for any activity in a task. 8405 * @return Returns true if the move completed, false if not. 8406 */ 8407 @Override 8408 public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) { 8409 enforceNotIsolatedCaller("moveActivityTaskToBack"); 8410 synchronized(this) { 8411 final long origId = Binder.clearCallingIdentity(); 8412 int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot); 8413 if (taskId >= 0) { 8414 return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId, null); 8415 } 8416 Binder.restoreCallingIdentity(origId); 8417 } 8418 return false; 8419 } 8420 8421 @Override 8422 public void moveTaskBackwards(int task) { 8423 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 8424 "moveTaskBackwards()"); 8425 8426 synchronized(this) { 8427 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 8428 Binder.getCallingUid(), "Task backwards")) { 8429 return; 8430 } 8431 final long origId = Binder.clearCallingIdentity(); 8432 moveTaskBackwardsLocked(task); 8433 Binder.restoreCallingIdentity(origId); 8434 } 8435 } 8436 8437 private final void moveTaskBackwardsLocked(int task) { 8438 Slog.e(TAG, "moveTaskBackwards not yet implemented!"); 8439 } 8440 8441 @Override 8442 public IBinder getHomeActivityToken() throws RemoteException { 8443 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8444 "getHomeActivityToken()"); 8445 synchronized (this) { 8446 return mStackSupervisor.getHomeActivityToken(); 8447 } 8448 } 8449 8450 @Override 8451 public IActivityContainer createActivityContainer(IBinder parentActivityToken, 8452 IActivityContainerCallback callback) throws RemoteException { 8453 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8454 "createActivityContainer()"); 8455 synchronized (this) { 8456 if (parentActivityToken == null) { 8457 throw new IllegalArgumentException("parent token must not be null"); 8458 } 8459 ActivityRecord r = ActivityRecord.forToken(parentActivityToken); 8460 if (r == null) { 8461 return null; 8462 } 8463 if (callback == null) { 8464 throw new IllegalArgumentException("callback must not be null"); 8465 } 8466 return mStackSupervisor.createActivityContainer(r, callback); 8467 } 8468 } 8469 8470 @Override 8471 public void deleteActivityContainer(IActivityContainer container) throws RemoteException { 8472 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8473 "deleteActivityContainer()"); 8474 synchronized (this) { 8475 mStackSupervisor.deleteActivityContainer(container); 8476 } 8477 } 8478 8479 @Override 8480 public IActivityContainer getEnclosingActivityContainer(IBinder activityToken) 8481 throws RemoteException { 8482 synchronized (this) { 8483 ActivityStack stack = ActivityRecord.getStackLocked(activityToken); 8484 if (stack != null) { 8485 return stack.mActivityContainer; 8486 } 8487 return null; 8488 } 8489 } 8490 8491 @Override 8492 public void moveTaskToStack(int taskId, int stackId, boolean toTop) { 8493 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8494 "moveTaskToStack()"); 8495 if (stackId == HOME_STACK_ID) { 8496 Slog.e(TAG, "moveTaskToStack: Attempt to move task " + taskId + " to home stack", 8497 new RuntimeException("here").fillInStackTrace()); 8498 } 8499 synchronized (this) { 8500 long ident = Binder.clearCallingIdentity(); 8501 try { 8502 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToStack: moving task=" + taskId + " to stackId=" 8503 + stackId + " toTop=" + toTop); 8504 mStackSupervisor.moveTaskToStack(taskId, stackId, toTop); 8505 } finally { 8506 Binder.restoreCallingIdentity(ident); 8507 } 8508 } 8509 } 8510 8511 @Override 8512 public void resizeStack(int stackBoxId, Rect bounds) { 8513 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8514 "resizeStackBox()"); 8515 long ident = Binder.clearCallingIdentity(); 8516 try { 8517 mWindowManager.resizeStack(stackBoxId, bounds); 8518 } finally { 8519 Binder.restoreCallingIdentity(ident); 8520 } 8521 } 8522 8523 @Override 8524 public List<StackInfo> getAllStackInfos() { 8525 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8526 "getAllStackInfos()"); 8527 long ident = Binder.clearCallingIdentity(); 8528 try { 8529 synchronized (this) { 8530 return mStackSupervisor.getAllStackInfosLocked(); 8531 } 8532 } finally { 8533 Binder.restoreCallingIdentity(ident); 8534 } 8535 } 8536 8537 @Override 8538 public StackInfo getStackInfo(int stackId) { 8539 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8540 "getStackInfo()"); 8541 long ident = Binder.clearCallingIdentity(); 8542 try { 8543 synchronized (this) { 8544 return mStackSupervisor.getStackInfoLocked(stackId); 8545 } 8546 } finally { 8547 Binder.restoreCallingIdentity(ident); 8548 } 8549 } 8550 8551 @Override 8552 public boolean isInHomeStack(int taskId) { 8553 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 8554 "getStackInfo()"); 8555 long ident = Binder.clearCallingIdentity(); 8556 try { 8557 synchronized (this) { 8558 TaskRecord tr = recentTaskForIdLocked(taskId); 8559 return tr != null && tr.stack != null && tr.stack.isHomeStack(); 8560 } 8561 } finally { 8562 Binder.restoreCallingIdentity(ident); 8563 } 8564 } 8565 8566 @Override 8567 public int getTaskForActivity(IBinder token, boolean onlyRoot) { 8568 synchronized(this) { 8569 return ActivityRecord.getTaskForActivityLocked(token, onlyRoot); 8570 } 8571 } 8572 8573 private boolean isLockTaskAuthorized(String pkg) { 8574 final DevicePolicyManager dpm = (DevicePolicyManager) 8575 mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); 8576 try { 8577 int uid = mContext.getPackageManager().getPackageUid(pkg, 8578 Binder.getCallingUserHandle().getIdentifier()); 8579 return (uid == Binder.getCallingUid()) && dpm != null && dpm.isLockTaskPermitted(pkg); 8580 } catch (NameNotFoundException e) { 8581 return false; 8582 } 8583 } 8584 8585 void startLockTaskMode(TaskRecord task) { 8586 final String pkg; 8587 synchronized (this) { 8588 pkg = task.intent.getComponent().getPackageName(); 8589 } 8590 boolean isSystemInitiated = Binder.getCallingUid() == Process.SYSTEM_UID; 8591 if (!isSystemInitiated && !isLockTaskAuthorized(pkg)) { 8592 final TaskRecord taskRecord = task; 8593 mHandler.post(new Runnable() { 8594 @Override 8595 public void run() { 8596 mLockToAppRequest.showLockTaskPrompt(taskRecord); 8597 } 8598 }); 8599 return; 8600 } 8601 long ident = Binder.clearCallingIdentity(); 8602 try { 8603 synchronized (this) { 8604 // Since we lost lock on task, make sure it is still there. 8605 task = mStackSupervisor.anyTaskForIdLocked(task.taskId); 8606 if (task != null) { 8607 if (!isSystemInitiated 8608 && ((mFocusedActivity == null) || (task != mFocusedActivity.task))) { 8609 throw new IllegalArgumentException("Invalid task, not in foreground"); 8610 } 8611 mStackSupervisor.setLockTaskModeLocked(task, !isSystemInitiated); 8612 } 8613 } 8614 } finally { 8615 Binder.restoreCallingIdentity(ident); 8616 } 8617 } 8618 8619 @Override 8620 public void startLockTaskMode(int taskId) { 8621 final TaskRecord task; 8622 long ident = Binder.clearCallingIdentity(); 8623 try { 8624 synchronized (this) { 8625 task = mStackSupervisor.anyTaskForIdLocked(taskId); 8626 } 8627 } finally { 8628 Binder.restoreCallingIdentity(ident); 8629 } 8630 if (task != null) { 8631 startLockTaskMode(task); 8632 } 8633 } 8634 8635 @Override 8636 public void startLockTaskMode(IBinder token) { 8637 final TaskRecord task; 8638 long ident = Binder.clearCallingIdentity(); 8639 try { 8640 synchronized (this) { 8641 final ActivityRecord r = ActivityRecord.forToken(token); 8642 if (r == null) { 8643 return; 8644 } 8645 task = r.task; 8646 } 8647 } finally { 8648 Binder.restoreCallingIdentity(ident); 8649 } 8650 if (task != null) { 8651 startLockTaskMode(task); 8652 } 8653 } 8654 8655 @Override 8656 public void startLockTaskModeOnCurrent() throws RemoteException { 8657 checkCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS); 8658 ActivityRecord r = null; 8659 synchronized (this) { 8660 r = mStackSupervisor.topRunningActivityLocked(); 8661 } 8662 startLockTaskMode(r.task); 8663 } 8664 8665 @Override 8666 public void stopLockTaskMode() { 8667 // Verify that the user matches the package of the intent for the TaskRecord 8668 // we are locked to or systtem. This will ensure the same caller for startLockTaskMode 8669 // and stopLockTaskMode. 8670 final int callingUid = Binder.getCallingUid(); 8671 if (callingUid != Process.SYSTEM_UID) { 8672 try { 8673 String pkg = 8674 mStackSupervisor.mLockTaskModeTask.intent.getComponent().getPackageName(); 8675 int uid = mContext.getPackageManager().getPackageUid(pkg, 8676 Binder.getCallingUserHandle().getIdentifier()); 8677 if (uid != callingUid) { 8678 throw new SecurityException("Invalid uid, expected " + uid); 8679 } 8680 } catch (NameNotFoundException e) { 8681 Log.d(TAG, "stopLockTaskMode " + e); 8682 return; 8683 } 8684 } 8685 long ident = Binder.clearCallingIdentity(); 8686 try { 8687 Log.d(TAG, "stopLockTaskMode"); 8688 // Stop lock task 8689 synchronized (this) { 8690 mStackSupervisor.setLockTaskModeLocked(null, false); 8691 } 8692 } finally { 8693 Binder.restoreCallingIdentity(ident); 8694 } 8695 } 8696 8697 @Override 8698 public void stopLockTaskModeOnCurrent() throws RemoteException { 8699 checkCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS); 8700 long ident = Binder.clearCallingIdentity(); 8701 try { 8702 stopLockTaskMode(); 8703 } finally { 8704 Binder.restoreCallingIdentity(ident); 8705 } 8706 } 8707 8708 @Override 8709 public boolean isInLockTaskMode() { 8710 synchronized (this) { 8711 return mStackSupervisor.isInLockTaskMode(); 8712 } 8713 } 8714 8715 // ========================================================= 8716 // CONTENT PROVIDERS 8717 // ========================================================= 8718 8719 private final List<ProviderInfo> generateApplicationProvidersLocked(ProcessRecord app) { 8720 List<ProviderInfo> providers = null; 8721 try { 8722 providers = AppGlobals.getPackageManager(). 8723 queryContentProviders(app.processName, app.uid, 8724 STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS); 8725 } catch (RemoteException ex) { 8726 } 8727 if (DEBUG_MU) 8728 Slog.v(TAG_MU, "generateApplicationProvidersLocked, app.info.uid = " + app.uid); 8729 int userId = app.userId; 8730 if (providers != null) { 8731 int N = providers.size(); 8732 app.pubProviders.ensureCapacity(N + app.pubProviders.size()); 8733 for (int i=0; i<N; i++) { 8734 ProviderInfo cpi = 8735 (ProviderInfo)providers.get(i); 8736 boolean singleton = isSingleton(cpi.processName, cpi.applicationInfo, 8737 cpi.name, cpi.flags); 8738 if (singleton && UserHandle.getUserId(app.uid) != 0) { 8739 // This is a singleton provider, but a user besides the 8740 // default user is asking to initialize a process it runs 8741 // in... well, no, it doesn't actually run in this process, 8742 // it runs in the process of the default user. Get rid of it. 8743 providers.remove(i); 8744 N--; 8745 i--; 8746 continue; 8747 } 8748 8749 ComponentName comp = new ComponentName(cpi.packageName, cpi.name); 8750 ContentProviderRecord cpr = mProviderMap.getProviderByClass(comp, userId); 8751 if (cpr == null) { 8752 cpr = new ContentProviderRecord(this, cpi, app.info, comp, singleton); 8753 mProviderMap.putProviderByClass(comp, cpr); 8754 } 8755 if (DEBUG_MU) 8756 Slog.v(TAG_MU, "generateApplicationProvidersLocked, cpi.uid = " + cpr.uid); 8757 app.pubProviders.put(cpi.name, cpr); 8758 if (!cpi.multiprocess || !"android".equals(cpi.packageName)) { 8759 // Don't add this if it is a platform component that is marked 8760 // to run in multiple processes, because this is actually 8761 // part of the framework so doesn't make sense to track as a 8762 // separate apk in the process. 8763 app.addPackage(cpi.applicationInfo.packageName, cpi.applicationInfo.versionCode, 8764 mProcessStats); 8765 } 8766 ensurePackageDexOpt(cpi.applicationInfo.packageName); 8767 } 8768 } 8769 return providers; 8770 } 8771 8772 /** 8773 * Check if {@link ProcessRecord} has a possible chance at accessing the 8774 * given {@link ProviderInfo}. Final permission checking is always done 8775 * in {@link ContentProvider}. 8776 */ 8777 private final String checkContentProviderPermissionLocked( 8778 ProviderInfo cpi, ProcessRecord r, int userId, boolean checkUser) { 8779 final int callingPid = (r != null) ? r.pid : Binder.getCallingPid(); 8780 final int callingUid = (r != null) ? r.uid : Binder.getCallingUid(); 8781 boolean checkedGrants = false; 8782 if (checkUser) { 8783 // Looking for cross-user grants before enforcing the typical cross-users permissions 8784 int tmpTargetUserId = unsafeConvertIncomingUser(userId); 8785 if (tmpTargetUserId != UserHandle.getUserId(callingUid)) { 8786 if (checkAuthorityGrants(callingUid, cpi, tmpTargetUserId, checkUser)) { 8787 return null; 8788 } 8789 checkedGrants = true; 8790 } 8791 userId = handleIncomingUser(callingPid, callingUid, userId, 8792 false, ALLOW_NON_FULL, 8793 "checkContentProviderPermissionLocked " + cpi.authority, null); 8794 if (userId != tmpTargetUserId) { 8795 // When we actually went to determine the final targer user ID, this ended 8796 // up different than our initial check for the authority. This is because 8797 // they had asked for USER_CURRENT_OR_SELF and we ended up switching to 8798 // SELF. So we need to re-check the grants again. 8799 checkedGrants = false; 8800 } 8801 } 8802 if (checkComponentPermission(cpi.readPermission, callingPid, callingUid, 8803 cpi.applicationInfo.uid, cpi.exported) 8804 == PackageManager.PERMISSION_GRANTED) { 8805 return null; 8806 } 8807 if (checkComponentPermission(cpi.writePermission, callingPid, callingUid, 8808 cpi.applicationInfo.uid, cpi.exported) 8809 == PackageManager.PERMISSION_GRANTED) { 8810 return null; 8811 } 8812 8813 PathPermission[] pps = cpi.pathPermissions; 8814 if (pps != null) { 8815 int i = pps.length; 8816 while (i > 0) { 8817 i--; 8818 PathPermission pp = pps[i]; 8819 String pprperm = pp.getReadPermission(); 8820 if (pprperm != null && checkComponentPermission(pprperm, callingPid, callingUid, 8821 cpi.applicationInfo.uid, cpi.exported) 8822 == PackageManager.PERMISSION_GRANTED) { 8823 return null; 8824 } 8825 String ppwperm = pp.getWritePermission(); 8826 if (ppwperm != null && checkComponentPermission(ppwperm, callingPid, callingUid, 8827 cpi.applicationInfo.uid, cpi.exported) 8828 == PackageManager.PERMISSION_GRANTED) { 8829 return null; 8830 } 8831 } 8832 } 8833 if (!checkedGrants && checkAuthorityGrants(callingUid, cpi, userId, checkUser)) { 8834 return null; 8835 } 8836 8837 String msg; 8838 if (!cpi.exported) { 8839 msg = "Permission Denial: opening provider " + cpi.name 8840 + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid 8841 + ", uid=" + callingUid + ") that is not exported from uid " 8842 + cpi.applicationInfo.uid; 8843 } else { 8844 msg = "Permission Denial: opening provider " + cpi.name 8845 + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid 8846 + ", uid=" + callingUid + ") requires " 8847 + cpi.readPermission + " or " + cpi.writePermission; 8848 } 8849 Slog.w(TAG, msg); 8850 return msg; 8851 } 8852 8853 /** 8854 * Returns if the ContentProvider has granted a uri to callingUid 8855 */ 8856 boolean checkAuthorityGrants(int callingUid, ProviderInfo cpi, int userId, boolean checkUser) { 8857 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(callingUid); 8858 if (perms != null) { 8859 for (int i=perms.size()-1; i>=0; i--) { 8860 GrantUri grantUri = perms.keyAt(i); 8861 if (grantUri.sourceUserId == userId || !checkUser) { 8862 if (matchesProvider(grantUri.uri, cpi)) { 8863 return true; 8864 } 8865 } 8866 } 8867 } 8868 return false; 8869 } 8870 8871 /** 8872 * Returns true if the uri authority is one of the authorities specified in the provider. 8873 */ 8874 boolean matchesProvider(Uri uri, ProviderInfo cpi) { 8875 String uriAuth = uri.getAuthority(); 8876 String cpiAuth = cpi.authority; 8877 if (cpiAuth.indexOf(';') == -1) { 8878 return cpiAuth.equals(uriAuth); 8879 } 8880 String[] cpiAuths = cpiAuth.split(";"); 8881 int length = cpiAuths.length; 8882 for (int i = 0; i < length; i++) { 8883 if (cpiAuths[i].equals(uriAuth)) return true; 8884 } 8885 return false; 8886 } 8887 8888 ContentProviderConnection incProviderCountLocked(ProcessRecord r, 8889 final ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { 8890 if (r != null) { 8891 for (int i=0; i<r.conProviders.size(); i++) { 8892 ContentProviderConnection conn = r.conProviders.get(i); 8893 if (conn.provider == cpr) { 8894 if (DEBUG_PROVIDER) Slog.v(TAG, 8895 "Adding provider requested by " 8896 + r.processName + " from process " 8897 + cpr.info.processName + ": " + cpr.name.flattenToShortString() 8898 + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); 8899 if (stable) { 8900 conn.stableCount++; 8901 conn.numStableIncs++; 8902 } else { 8903 conn.unstableCount++; 8904 conn.numUnstableIncs++; 8905 } 8906 return conn; 8907 } 8908 } 8909 ContentProviderConnection conn = new ContentProviderConnection(cpr, r); 8910 if (stable) { 8911 conn.stableCount = 1; 8912 conn.numStableIncs = 1; 8913 } else { 8914 conn.unstableCount = 1; 8915 conn.numUnstableIncs = 1; 8916 } 8917 cpr.connections.add(conn); 8918 r.conProviders.add(conn); 8919 return conn; 8920 } 8921 cpr.addExternalProcessHandleLocked(externalProcessToken); 8922 return null; 8923 } 8924 8925 boolean decProviderCountLocked(ContentProviderConnection conn, 8926 ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { 8927 if (conn != null) { 8928 cpr = conn.provider; 8929 if (DEBUG_PROVIDER) Slog.v(TAG, 8930 "Removing provider requested by " 8931 + conn.client.processName + " from process " 8932 + cpr.info.processName + ": " + cpr.name.flattenToShortString() 8933 + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); 8934 if (stable) { 8935 conn.stableCount--; 8936 } else { 8937 conn.unstableCount--; 8938 } 8939 if (conn.stableCount == 0 && conn.unstableCount == 0) { 8940 cpr.connections.remove(conn); 8941 conn.client.conProviders.remove(conn); 8942 return true; 8943 } 8944 return false; 8945 } 8946 cpr.removeExternalProcessHandleLocked(externalProcessToken); 8947 return false; 8948 } 8949 8950 private final ContentProviderHolder getContentProviderImpl(IApplicationThread caller, 8951 String name, IBinder token, boolean stable, int userId) { 8952 ContentProviderRecord cpr; 8953 ContentProviderConnection conn = null; 8954 ProviderInfo cpi = null; 8955 8956 synchronized(this) { 8957 ProcessRecord r = null; 8958 if (caller != null) { 8959 r = getRecordForAppLocked(caller); 8960 if (r == null) { 8961 throw new SecurityException( 8962 "Unable to find app for caller " + caller 8963 + " (pid=" + Binder.getCallingPid() 8964 + ") when getting content provider " + name); 8965 } 8966 } 8967 8968 boolean checkCrossUser = true; 8969 8970 // First check if this content provider has been published... 8971 cpr = mProviderMap.getProviderByName(name, userId); 8972 // If that didn't work, check if it exists for user 0 and then 8973 // verify that it's a singleton provider before using it. 8974 if (cpr == null && userId != UserHandle.USER_OWNER) { 8975 cpr = mProviderMap.getProviderByName(name, UserHandle.USER_OWNER); 8976 if (cpr != null) { 8977 cpi = cpr.info; 8978 if (isSingleton(cpi.processName, cpi.applicationInfo, 8979 cpi.name, cpi.flags) 8980 && isValidSingletonCall(r.uid, cpi.applicationInfo.uid)) { 8981 userId = UserHandle.USER_OWNER; 8982 checkCrossUser = false; 8983 } else { 8984 cpr = null; 8985 cpi = null; 8986 } 8987 } 8988 } 8989 8990 boolean providerRunning = cpr != null; 8991 if (providerRunning) { 8992 cpi = cpr.info; 8993 String msg; 8994 if ((msg = checkContentProviderPermissionLocked(cpi, r, userId, checkCrossUser)) 8995 != null) { 8996 throw new SecurityException(msg); 8997 } 8998 8999 if (r != null && cpr.canRunHere(r)) { 9000 // This provider has been published or is in the process 9001 // of being published... but it is also allowed to run 9002 // in the caller's process, so don't make a connection 9003 // and just let the caller instantiate its own instance. 9004 ContentProviderHolder holder = cpr.newHolder(null); 9005 // don't give caller the provider object, it needs 9006 // to make its own. 9007 holder.provider = null; 9008 return holder; 9009 } 9010 9011 final long origId = Binder.clearCallingIdentity(); 9012 9013 // In this case the provider instance already exists, so we can 9014 // return it right away. 9015 conn = incProviderCountLocked(r, cpr, token, stable); 9016 if (conn != null && (conn.stableCount+conn.unstableCount) == 1) { 9017 if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { 9018 // If this is a perceptible app accessing the provider, 9019 // make sure to count it as being accessed and thus 9020 // back up on the LRU list. This is good because 9021 // content providers are often expensive to start. 9022 updateLruProcessLocked(cpr.proc, false, null); 9023 } 9024 } 9025 9026 if (cpr.proc != null) { 9027 if (false) { 9028 if (cpr.name.flattenToShortString().equals( 9029 "com.android.providers.calendar/.CalendarProvider2")) { 9030 Slog.v(TAG, "****************** KILLING " 9031 + cpr.name.flattenToShortString()); 9032 Process.killProcess(cpr.proc.pid); 9033 } 9034 } 9035 boolean success = updateOomAdjLocked(cpr.proc); 9036 if (DEBUG_PROVIDER) Slog.i(TAG, "Adjust success: " + success); 9037 // NOTE: there is still a race here where a signal could be 9038 // pending on the process even though we managed to update its 9039 // adj level. Not sure what to do about this, but at least 9040 // the race is now smaller. 9041 if (!success) { 9042 // Uh oh... it looks like the provider's process 9043 // has been killed on us. We need to wait for a new 9044 // process to be started, and make sure its death 9045 // doesn't kill our process. 9046 Slog.i(TAG, 9047 "Existing provider " + cpr.name.flattenToShortString() 9048 + " is crashing; detaching " + r); 9049 boolean lastRef = decProviderCountLocked(conn, cpr, token, stable); 9050 appDiedLocked(cpr.proc); 9051 if (!lastRef) { 9052 // This wasn't the last ref our process had on 9053 // the provider... we have now been killed, bail. 9054 return null; 9055 } 9056 providerRunning = false; 9057 conn = null; 9058 } 9059 } 9060 9061 Binder.restoreCallingIdentity(origId); 9062 } 9063 9064 boolean singleton; 9065 if (!providerRunning) { 9066 try { 9067 cpi = AppGlobals.getPackageManager(). 9068 resolveContentProvider(name, 9069 STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS, userId); 9070 } catch (RemoteException ex) { 9071 } 9072 if (cpi == null) { 9073 return null; 9074 } 9075 // If the provider is a singleton AND 9076 // (it's a call within the same user || the provider is a 9077 // privileged app) 9078 // Then allow connecting to the singleton provider 9079 singleton = isSingleton(cpi.processName, cpi.applicationInfo, 9080 cpi.name, cpi.flags) 9081 && isValidSingletonCall(r.uid, cpi.applicationInfo.uid); 9082 if (singleton) { 9083 userId = UserHandle.USER_OWNER; 9084 } 9085 cpi.applicationInfo = getAppInfoForUser(cpi.applicationInfo, userId); 9086 9087 String msg; 9088 if ((msg = checkContentProviderPermissionLocked(cpi, r, userId, !singleton)) 9089 != null) { 9090 throw new SecurityException(msg); 9091 } 9092 9093 if (!mProcessesReady && !mDidUpdate && !mWaitingUpdate 9094 && !cpi.processName.equals("system")) { 9095 // If this content provider does not run in the system 9096 // process, and the system is not yet ready to run other 9097 // processes, then fail fast instead of hanging. 9098 throw new IllegalArgumentException( 9099 "Attempt to launch content provider before system ready"); 9100 } 9101 9102 // Make sure that the user who owns this provider is started. If not, 9103 // we don't want to allow it to run. 9104 if (mStartedUsers.get(userId) == null) { 9105 Slog.w(TAG, "Unable to launch app " 9106 + cpi.applicationInfo.packageName + "/" 9107 + cpi.applicationInfo.uid + " for provider " 9108 + name + ": user " + userId + " is stopped"); 9109 return null; 9110 } 9111 9112 ComponentName comp = new ComponentName(cpi.packageName, cpi.name); 9113 cpr = mProviderMap.getProviderByClass(comp, userId); 9114 final boolean firstClass = cpr == null; 9115 if (firstClass) { 9116 try { 9117 ApplicationInfo ai = 9118 AppGlobals.getPackageManager(). 9119 getApplicationInfo( 9120 cpi.applicationInfo.packageName, 9121 STOCK_PM_FLAGS, userId); 9122 if (ai == null) { 9123 Slog.w(TAG, "No package info for content provider " 9124 + cpi.name); 9125 return null; 9126 } 9127 ai = getAppInfoForUser(ai, userId); 9128 cpr = new ContentProviderRecord(this, cpi, ai, comp, singleton); 9129 } catch (RemoteException ex) { 9130 // pm is in same process, this will never happen. 9131 } 9132 } 9133 9134 if (r != null && cpr.canRunHere(r)) { 9135 // If this is a multiprocess provider, then just return its 9136 // info and allow the caller to instantiate it. Only do 9137 // this if the provider is the same user as the caller's 9138 // process, or can run as root (so can be in any process). 9139 return cpr.newHolder(null); 9140 } 9141 9142 if (DEBUG_PROVIDER) { 9143 RuntimeException e = new RuntimeException("here"); 9144 Slog.w(TAG, "LAUNCHING REMOTE PROVIDER (myuid " + (r != null ? r.uid : null) 9145 + " pruid " + cpr.appInfo.uid + "): " + cpr.info.name, e); 9146 } 9147 9148 // This is single process, and our app is now connecting to it. 9149 // See if we are already in the process of launching this 9150 // provider. 9151 final int N = mLaunchingProviders.size(); 9152 int i; 9153 for (i=0; i<N; i++) { 9154 if (mLaunchingProviders.get(i) == cpr) { 9155 break; 9156 } 9157 } 9158 9159 // If the provider is not already being launched, then get it 9160 // started. 9161 if (i >= N) { 9162 final long origId = Binder.clearCallingIdentity(); 9163 9164 try { 9165 // Content provider is now in use, its package can't be stopped. 9166 try { 9167 AppGlobals.getPackageManager().setPackageStoppedState( 9168 cpr.appInfo.packageName, false, userId); 9169 } catch (RemoteException e) { 9170 } catch (IllegalArgumentException e) { 9171 Slog.w(TAG, "Failed trying to unstop package " 9172 + cpr.appInfo.packageName + ": " + e); 9173 } 9174 9175 // Use existing process if already started 9176 ProcessRecord proc = getProcessRecordLocked( 9177 cpi.processName, cpr.appInfo.uid, false); 9178 if (proc != null && proc.thread != null) { 9179 if (DEBUG_PROVIDER) { 9180 Slog.d(TAG, "Installing in existing process " + proc); 9181 } 9182 proc.pubProviders.put(cpi.name, cpr); 9183 try { 9184 proc.thread.scheduleInstallProvider(cpi); 9185 } catch (RemoteException e) { 9186 } 9187 } else { 9188 proc = startProcessLocked(cpi.processName, 9189 cpr.appInfo, false, 0, "content provider", 9190 new ComponentName(cpi.applicationInfo.packageName, 9191 cpi.name), false, false, false); 9192 if (proc == null) { 9193 Slog.w(TAG, "Unable to launch app " 9194 + cpi.applicationInfo.packageName + "/" 9195 + cpi.applicationInfo.uid + " for provider " 9196 + name + ": process is bad"); 9197 return null; 9198 } 9199 } 9200 cpr.launchingApp = proc; 9201 mLaunchingProviders.add(cpr); 9202 } finally { 9203 Binder.restoreCallingIdentity(origId); 9204 } 9205 } 9206 9207 // Make sure the provider is published (the same provider class 9208 // may be published under multiple names). 9209 if (firstClass) { 9210 mProviderMap.putProviderByClass(comp, cpr); 9211 } 9212 9213 mProviderMap.putProviderByName(name, cpr); 9214 conn = incProviderCountLocked(r, cpr, token, stable); 9215 if (conn != null) { 9216 conn.waiting = true; 9217 } 9218 } 9219 } 9220 9221 // Wait for the provider to be published... 9222 synchronized (cpr) { 9223 while (cpr.provider == null) { 9224 if (cpr.launchingApp == null) { 9225 Slog.w(TAG, "Unable to launch app " 9226 + cpi.applicationInfo.packageName + "/" 9227 + cpi.applicationInfo.uid + " for provider " 9228 + name + ": launching app became null"); 9229 EventLog.writeEvent(EventLogTags.AM_PROVIDER_LOST_PROCESS, 9230 UserHandle.getUserId(cpi.applicationInfo.uid), 9231 cpi.applicationInfo.packageName, 9232 cpi.applicationInfo.uid, name); 9233 return null; 9234 } 9235 try { 9236 if (DEBUG_MU) { 9237 Slog.v(TAG_MU, "Waiting to start provider " + cpr + " launchingApp=" 9238 + cpr.launchingApp); 9239 } 9240 if (conn != null) { 9241 conn.waiting = true; 9242 } 9243 cpr.wait(); 9244 } catch (InterruptedException ex) { 9245 } finally { 9246 if (conn != null) { 9247 conn.waiting = false; 9248 } 9249 } 9250 } 9251 } 9252 return cpr != null ? cpr.newHolder(conn) : null; 9253 } 9254 9255 @Override 9256 public final ContentProviderHolder getContentProvider( 9257 IApplicationThread caller, String name, int userId, boolean stable) { 9258 enforceNotIsolatedCaller("getContentProvider"); 9259 if (caller == null) { 9260 String msg = "null IApplicationThread when getting content provider " 9261 + name; 9262 Slog.w(TAG, msg); 9263 throw new SecurityException(msg); 9264 } 9265 // The incoming user check is now handled in checkContentProviderPermissionLocked() to deal 9266 // with cross-user grant. 9267 return getContentProviderImpl(caller, name, null, stable, userId); 9268 } 9269 9270 public ContentProviderHolder getContentProviderExternal( 9271 String name, int userId, IBinder token) { 9272 enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, 9273 "Do not have permission in call getContentProviderExternal()"); 9274 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 9275 false, ALLOW_FULL_ONLY, "getContentProvider", null); 9276 return getContentProviderExternalUnchecked(name, token, userId); 9277 } 9278 9279 private ContentProviderHolder getContentProviderExternalUnchecked(String name, 9280 IBinder token, int userId) { 9281 return getContentProviderImpl(null, name, token, true, userId); 9282 } 9283 9284 /** 9285 * Drop a content provider from a ProcessRecord's bookkeeping 9286 */ 9287 public void removeContentProvider(IBinder connection, boolean stable) { 9288 enforceNotIsolatedCaller("removeContentProvider"); 9289 long ident = Binder.clearCallingIdentity(); 9290 try { 9291 synchronized (this) { 9292 ContentProviderConnection conn; 9293 try { 9294 conn = (ContentProviderConnection)connection; 9295 } catch (ClassCastException e) { 9296 String msg ="removeContentProvider: " + connection 9297 + " not a ContentProviderConnection"; 9298 Slog.w(TAG, msg); 9299 throw new IllegalArgumentException(msg); 9300 } 9301 if (conn == null) { 9302 throw new NullPointerException("connection is null"); 9303 } 9304 if (decProviderCountLocked(conn, null, null, stable)) { 9305 updateOomAdjLocked(); 9306 } 9307 } 9308 } finally { 9309 Binder.restoreCallingIdentity(ident); 9310 } 9311 } 9312 9313 public void removeContentProviderExternal(String name, IBinder token) { 9314 enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, 9315 "Do not have permission in call removeContentProviderExternal()"); 9316 removeContentProviderExternalUnchecked(name, token, UserHandle.getCallingUserId()); 9317 } 9318 9319 private void removeContentProviderExternalUnchecked(String name, IBinder token, int userId) { 9320 synchronized (this) { 9321 ContentProviderRecord cpr = mProviderMap.getProviderByName(name, userId); 9322 if(cpr == null) { 9323 //remove from mProvidersByClass 9324 if(localLOGV) Slog.v(TAG, name+" content provider not found in providers list"); 9325 return; 9326 } 9327 9328 //update content provider record entry info 9329 ComponentName comp = new ComponentName(cpr.info.packageName, cpr.info.name); 9330 ContentProviderRecord localCpr = mProviderMap.getProviderByClass(comp, userId); 9331 if (localCpr.hasExternalProcessHandles()) { 9332 if (localCpr.removeExternalProcessHandleLocked(token)) { 9333 updateOomAdjLocked(); 9334 } else { 9335 Slog.e(TAG, "Attmpt to remove content provider " + localCpr 9336 + " with no external reference for token: " 9337 + token + "."); 9338 } 9339 } else { 9340 Slog.e(TAG, "Attmpt to remove content provider: " + localCpr 9341 + " with no external references."); 9342 } 9343 } 9344 } 9345 9346 public final void publishContentProviders(IApplicationThread caller, 9347 List<ContentProviderHolder> providers) { 9348 if (providers == null) { 9349 return; 9350 } 9351 9352 enforceNotIsolatedCaller("publishContentProviders"); 9353 synchronized (this) { 9354 final ProcessRecord r = getRecordForAppLocked(caller); 9355 if (DEBUG_MU) 9356 Slog.v(TAG_MU, "ProcessRecord uid = " + r.uid); 9357 if (r == null) { 9358 throw new SecurityException( 9359 "Unable to find app for caller " + caller 9360 + " (pid=" + Binder.getCallingPid() 9361 + ") when publishing content providers"); 9362 } 9363 9364 final long origId = Binder.clearCallingIdentity(); 9365 9366 final int N = providers.size(); 9367 for (int i=0; i<N; i++) { 9368 ContentProviderHolder src = providers.get(i); 9369 if (src == null || src.info == null || src.provider == null) { 9370 continue; 9371 } 9372 ContentProviderRecord dst = r.pubProviders.get(src.info.name); 9373 if (DEBUG_MU) 9374 Slog.v(TAG_MU, "ContentProviderRecord uid = " + dst.uid); 9375 if (dst != null) { 9376 ComponentName comp = new ComponentName(dst.info.packageName, dst.info.name); 9377 mProviderMap.putProviderByClass(comp, dst); 9378 String names[] = dst.info.authority.split(";"); 9379 for (int j = 0; j < names.length; j++) { 9380 mProviderMap.putProviderByName(names[j], dst); 9381 } 9382 9383 int NL = mLaunchingProviders.size(); 9384 int j; 9385 for (j=0; j<NL; j++) { 9386 if (mLaunchingProviders.get(j) == dst) { 9387 mLaunchingProviders.remove(j); 9388 j--; 9389 NL--; 9390 } 9391 } 9392 synchronized (dst) { 9393 dst.provider = src.provider; 9394 dst.proc = r; 9395 dst.notifyAll(); 9396 } 9397 updateOomAdjLocked(r); 9398 } 9399 } 9400 9401 Binder.restoreCallingIdentity(origId); 9402 } 9403 } 9404 9405 public boolean refContentProvider(IBinder connection, int stable, int unstable) { 9406 ContentProviderConnection conn; 9407 try { 9408 conn = (ContentProviderConnection)connection; 9409 } catch (ClassCastException e) { 9410 String msg ="refContentProvider: " + connection 9411 + " not a ContentProviderConnection"; 9412 Slog.w(TAG, msg); 9413 throw new IllegalArgumentException(msg); 9414 } 9415 if (conn == null) { 9416 throw new NullPointerException("connection is null"); 9417 } 9418 9419 synchronized (this) { 9420 if (stable > 0) { 9421 conn.numStableIncs += stable; 9422 } 9423 stable = conn.stableCount + stable; 9424 if (stable < 0) { 9425 throw new IllegalStateException("stableCount < 0: " + stable); 9426 } 9427 9428 if (unstable > 0) { 9429 conn.numUnstableIncs += unstable; 9430 } 9431 unstable = conn.unstableCount + unstable; 9432 if (unstable < 0) { 9433 throw new IllegalStateException("unstableCount < 0: " + unstable); 9434 } 9435 9436 if ((stable+unstable) <= 0) { 9437 throw new IllegalStateException("ref counts can't go to zero here: stable=" 9438 + stable + " unstable=" + unstable); 9439 } 9440 conn.stableCount = stable; 9441 conn.unstableCount = unstable; 9442 return !conn.dead; 9443 } 9444 } 9445 9446 public void unstableProviderDied(IBinder connection) { 9447 ContentProviderConnection conn; 9448 try { 9449 conn = (ContentProviderConnection)connection; 9450 } catch (ClassCastException e) { 9451 String msg ="refContentProvider: " + connection 9452 + " not a ContentProviderConnection"; 9453 Slog.w(TAG, msg); 9454 throw new IllegalArgumentException(msg); 9455 } 9456 if (conn == null) { 9457 throw new NullPointerException("connection is null"); 9458 } 9459 9460 // Safely retrieve the content provider associated with the connection. 9461 IContentProvider provider; 9462 synchronized (this) { 9463 provider = conn.provider.provider; 9464 } 9465 9466 if (provider == null) { 9467 // Um, yeah, we're way ahead of you. 9468 return; 9469 } 9470 9471 // Make sure the caller is being honest with us. 9472 if (provider.asBinder().pingBinder()) { 9473 // Er, no, still looks good to us. 9474 synchronized (this) { 9475 Slog.w(TAG, "unstableProviderDied: caller " + Binder.getCallingUid() 9476 + " says " + conn + " died, but we don't agree"); 9477 return; 9478 } 9479 } 9480 9481 // Well look at that! It's dead! 9482 synchronized (this) { 9483 if (conn.provider.provider != provider) { 9484 // But something changed... good enough. 9485 return; 9486 } 9487 9488 ProcessRecord proc = conn.provider.proc; 9489 if (proc == null || proc.thread == null) { 9490 // Seems like the process is already cleaned up. 9491 return; 9492 } 9493 9494 // As far as we're concerned, this is just like receiving a 9495 // death notification... just a bit prematurely. 9496 Slog.i(TAG, "Process " + proc.processName + " (pid " + proc.pid 9497 + ") early provider death"); 9498 final long ident = Binder.clearCallingIdentity(); 9499 try { 9500 appDiedLocked(proc); 9501 } finally { 9502 Binder.restoreCallingIdentity(ident); 9503 } 9504 } 9505 } 9506 9507 @Override 9508 public void appNotRespondingViaProvider(IBinder connection) { 9509 enforceCallingPermission( 9510 android.Manifest.permission.REMOVE_TASKS, "appNotRespondingViaProvider()"); 9511 9512 final ContentProviderConnection conn = (ContentProviderConnection) connection; 9513 if (conn == null) { 9514 Slog.w(TAG, "ContentProviderConnection is null"); 9515 return; 9516 } 9517 9518 final ProcessRecord host = conn.provider.proc; 9519 if (host == null) { 9520 Slog.w(TAG, "Failed to find hosting ProcessRecord"); 9521 return; 9522 } 9523 9524 final long token = Binder.clearCallingIdentity(); 9525 try { 9526 appNotResponding(host, null, null, false, "ContentProvider not responding"); 9527 } finally { 9528 Binder.restoreCallingIdentity(token); 9529 } 9530 } 9531 9532 public final void installSystemProviders() { 9533 List<ProviderInfo> providers; 9534 synchronized (this) { 9535 ProcessRecord app = mProcessNames.get("system", Process.SYSTEM_UID); 9536 providers = generateApplicationProvidersLocked(app); 9537 if (providers != null) { 9538 for (int i=providers.size()-1; i>=0; i--) { 9539 ProviderInfo pi = (ProviderInfo)providers.get(i); 9540 if ((pi.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9541 Slog.w(TAG, "Not installing system proc provider " + pi.name 9542 + ": not system .apk"); 9543 providers.remove(i); 9544 } 9545 } 9546 } 9547 } 9548 if (providers != null) { 9549 mSystemThread.installSystemProviders(providers); 9550 } 9551 9552 mCoreSettingsObserver = new CoreSettingsObserver(this); 9553 9554 //mUsageStatsService.monitorPackages(); 9555 } 9556 9557 /** 9558 * Allows apps to retrieve the MIME type of a URI. 9559 * If an app is in the same user as the ContentProvider, or if it is allowed to interact across 9560 * users, then it does not need permission to access the ContentProvider. 9561 * Either, it needs cross-user uri grants. 9562 * 9563 * CTS tests for this functionality can be run with "runtest cts-appsecurity". 9564 * 9565 * Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/ 9566 * src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java 9567 */ 9568 public String getProviderMimeType(Uri uri, int userId) { 9569 enforceNotIsolatedCaller("getProviderMimeType"); 9570 final String name = uri.getAuthority(); 9571 int callingUid = Binder.getCallingUid(); 9572 int callingPid = Binder.getCallingPid(); 9573 long ident = 0; 9574 boolean clearedIdentity = false; 9575 userId = unsafeConvertIncomingUser(userId); 9576 if (UserHandle.getUserId(callingUid) != userId) { 9577 if (checkComponentPermission(INTERACT_ACROSS_USERS, callingPid, 9578 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED 9579 || checkComponentPermission(INTERACT_ACROSS_USERS_FULL, callingPid, 9580 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED) { 9581 clearedIdentity = true; 9582 ident = Binder.clearCallingIdentity(); 9583 } 9584 } 9585 ContentProviderHolder holder = null; 9586 try { 9587 holder = getContentProviderExternalUnchecked(name, null, userId); 9588 if (holder != null) { 9589 return holder.provider.getType(uri); 9590 } 9591 } catch (RemoteException e) { 9592 Log.w(TAG, "Content provider dead retrieving " + uri, e); 9593 return null; 9594 } finally { 9595 // We need to clear the identity to call removeContentProviderExternalUnchecked 9596 if (!clearedIdentity) { 9597 ident = Binder.clearCallingIdentity(); 9598 } 9599 try { 9600 if (holder != null) { 9601 removeContentProviderExternalUnchecked(name, null, userId); 9602 } 9603 } finally { 9604 Binder.restoreCallingIdentity(ident); 9605 } 9606 } 9607 9608 return null; 9609 } 9610 9611 // ========================================================= 9612 // GLOBAL MANAGEMENT 9613 // ========================================================= 9614 9615 final ProcessRecord newProcessRecordLocked(ApplicationInfo info, String customProcess, 9616 boolean isolated, int isolatedUid) { 9617 String proc = customProcess != null ? customProcess : info.processName; 9618 BatteryStatsImpl.Uid.Proc ps = null; 9619 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 9620 int uid = info.uid; 9621 if (isolated) { 9622 if (isolatedUid == 0) { 9623 int userId = UserHandle.getUserId(uid); 9624 int stepsLeft = Process.LAST_ISOLATED_UID - Process.FIRST_ISOLATED_UID + 1; 9625 while (true) { 9626 if (mNextIsolatedProcessUid < Process.FIRST_ISOLATED_UID 9627 || mNextIsolatedProcessUid > Process.LAST_ISOLATED_UID) { 9628 mNextIsolatedProcessUid = Process.FIRST_ISOLATED_UID; 9629 } 9630 uid = UserHandle.getUid(userId, mNextIsolatedProcessUid); 9631 mNextIsolatedProcessUid++; 9632 if (mIsolatedProcesses.indexOfKey(uid) < 0) { 9633 // No process for this uid, use it. 9634 break; 9635 } 9636 stepsLeft--; 9637 if (stepsLeft <= 0) { 9638 return null; 9639 } 9640 } 9641 } else { 9642 // Special case for startIsolatedProcess (internal only), where 9643 // the uid of the isolated process is specified by the caller. 9644 uid = isolatedUid; 9645 } 9646 } 9647 return new ProcessRecord(stats, info, proc, uid); 9648 } 9649 9650 final ProcessRecord addAppLocked(ApplicationInfo info, boolean isolated, 9651 String abiOverride) { 9652 ProcessRecord app; 9653 if (!isolated) { 9654 app = getProcessRecordLocked(info.processName, info.uid, true); 9655 } else { 9656 app = null; 9657 } 9658 9659 if (app == null) { 9660 app = newProcessRecordLocked(info, null, isolated, 0); 9661 mProcessNames.put(info.processName, app.uid, app); 9662 if (isolated) { 9663 mIsolatedProcesses.put(app.uid, app); 9664 } 9665 updateLruProcessLocked(app, false, null); 9666 updateOomAdjLocked(); 9667 } 9668 9669 // This package really, really can not be stopped. 9670 try { 9671 AppGlobals.getPackageManager().setPackageStoppedState( 9672 info.packageName, false, UserHandle.getUserId(app.uid)); 9673 } catch (RemoteException e) { 9674 } catch (IllegalArgumentException e) { 9675 Slog.w(TAG, "Failed trying to unstop package " 9676 + info.packageName + ": " + e); 9677 } 9678 9679 if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) 9680 == (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) { 9681 app.persistent = true; 9682 app.maxAdj = ProcessList.PERSISTENT_PROC_ADJ; 9683 } 9684 if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) { 9685 mPersistentStartingProcesses.add(app); 9686 startProcessLocked(app, "added application", app.processName, abiOverride, 9687 null /* entryPoint */, null /* entryPointArgs */); 9688 } 9689 9690 return app; 9691 } 9692 9693 public void unhandledBack() { 9694 enforceCallingPermission(android.Manifest.permission.FORCE_BACK, 9695 "unhandledBack()"); 9696 9697 synchronized(this) { 9698 final long origId = Binder.clearCallingIdentity(); 9699 try { 9700 getFocusedStack().unhandledBackLocked(); 9701 } finally { 9702 Binder.restoreCallingIdentity(origId); 9703 } 9704 } 9705 } 9706 9707 public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException { 9708 enforceNotIsolatedCaller("openContentUri"); 9709 final int userId = UserHandle.getCallingUserId(); 9710 String name = uri.getAuthority(); 9711 ContentProviderHolder cph = getContentProviderExternalUnchecked(name, null, userId); 9712 ParcelFileDescriptor pfd = null; 9713 if (cph != null) { 9714 // We record the binder invoker's uid in thread-local storage before 9715 // going to the content provider to open the file. Later, in the code 9716 // that handles all permissions checks, we look for this uid and use 9717 // that rather than the Activity Manager's own uid. The effect is that 9718 // we do the check against the caller's permissions even though it looks 9719 // to the content provider like the Activity Manager itself is making 9720 // the request. 9721 sCallerIdentity.set(new Identity( 9722 Binder.getCallingPid(), Binder.getCallingUid())); 9723 try { 9724 pfd = cph.provider.openFile(null, uri, "r", null); 9725 } catch (FileNotFoundException e) { 9726 // do nothing; pfd will be returned null 9727 } finally { 9728 // Ensure that whatever happens, we clean up the identity state 9729 sCallerIdentity.remove(); 9730 } 9731 9732 // We've got the fd now, so we're done with the provider. 9733 removeContentProviderExternalUnchecked(name, null, userId); 9734 } else { 9735 Slog.d(TAG, "Failed to get provider for authority '" + name + "'"); 9736 } 9737 return pfd; 9738 } 9739 9740 // Actually is sleeping or shutting down or whatever else in the future 9741 // is an inactive state. 9742 public boolean isSleepingOrShuttingDown() { 9743 return mSleeping || mShuttingDown; 9744 } 9745 9746 public boolean isSleeping() { 9747 return mSleeping; 9748 } 9749 9750 void goingToSleep() { 9751 synchronized(this) { 9752 mWentToSleep = true; 9753 updateEventDispatchingLocked(); 9754 goToSleepIfNeededLocked(); 9755 } 9756 } 9757 9758 void finishRunningVoiceLocked() { 9759 if (mRunningVoice) { 9760 mRunningVoice = false; 9761 goToSleepIfNeededLocked(); 9762 } 9763 } 9764 9765 void goToSleepIfNeededLocked() { 9766 if (mWentToSleep && !mRunningVoice) { 9767 if (!mSleeping) { 9768 mSleeping = true; 9769 mStackSupervisor.goingToSleepLocked(); 9770 9771 // Initialize the wake times of all processes. 9772 checkExcessivePowerUsageLocked(false); 9773 mHandler.removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 9774 Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 9775 mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 9776 } 9777 } 9778 } 9779 9780 void notifyTaskPersisterLocked(TaskRecord task, boolean flush) { 9781 if (task != null && task.stack != null && task.stack.isHomeStack()) { 9782 // Never persist the home stack. 9783 return; 9784 } 9785 mTaskPersister.wakeup(task, flush); 9786 } 9787 9788 @Override 9789 public boolean shutdown(int timeout) { 9790 if (checkCallingPermission(android.Manifest.permission.SHUTDOWN) 9791 != PackageManager.PERMISSION_GRANTED) { 9792 throw new SecurityException("Requires permission " 9793 + android.Manifest.permission.SHUTDOWN); 9794 } 9795 9796 boolean timedout = false; 9797 9798 synchronized(this) { 9799 mShuttingDown = true; 9800 updateEventDispatchingLocked(); 9801 timedout = mStackSupervisor.shutdownLocked(timeout); 9802 } 9803 9804 mAppOpsService.shutdown(); 9805 if (mUsageStatsService != null) { 9806 mUsageStatsService.prepareShutdown(); 9807 } 9808 mBatteryStatsService.shutdown(); 9809 synchronized (this) { 9810 mProcessStats.shutdownLocked(); 9811 } 9812 notifyTaskPersisterLocked(null, true); 9813 9814 return timedout; 9815 } 9816 9817 public final void activitySlept(IBinder token) { 9818 if (localLOGV) Slog.v(TAG, "Activity slept: token=" + token); 9819 9820 final long origId = Binder.clearCallingIdentity(); 9821 9822 synchronized (this) { 9823 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9824 if (r != null) { 9825 mStackSupervisor.activitySleptLocked(r); 9826 } 9827 } 9828 9829 Binder.restoreCallingIdentity(origId); 9830 } 9831 9832 void logLockScreen(String msg) { 9833 if (DEBUG_LOCKSCREEN) Slog.d(TAG, Debug.getCallers(2) + ":" + msg + 9834 " mLockScreenShown=" + mLockScreenShown + " mWentToSleep=" + 9835 mWentToSleep + " mSleeping=" + mSleeping); 9836 } 9837 9838 private void comeOutOfSleepIfNeededLocked() { 9839 if ((!mWentToSleep && !mLockScreenShown) || mRunningVoice) { 9840 if (mSleeping) { 9841 mSleeping = false; 9842 mStackSupervisor.comeOutOfSleepIfNeededLocked(); 9843 } 9844 } 9845 } 9846 9847 void wakingUp() { 9848 synchronized(this) { 9849 mWentToSleep = false; 9850 updateEventDispatchingLocked(); 9851 comeOutOfSleepIfNeededLocked(); 9852 } 9853 } 9854 9855 void startRunningVoiceLocked() { 9856 if (!mRunningVoice) { 9857 mRunningVoice = true; 9858 comeOutOfSleepIfNeededLocked(); 9859 } 9860 } 9861 9862 private void updateEventDispatchingLocked() { 9863 mWindowManager.setEventDispatching(mBooted && !mWentToSleep && !mShuttingDown); 9864 } 9865 9866 public void setLockScreenShown(boolean shown) { 9867 if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER) 9868 != PackageManager.PERMISSION_GRANTED) { 9869 throw new SecurityException("Requires permission " 9870 + android.Manifest.permission.DEVICE_POWER); 9871 } 9872 9873 synchronized(this) { 9874 long ident = Binder.clearCallingIdentity(); 9875 try { 9876 if (DEBUG_LOCKSCREEN) logLockScreen(" shown=" + shown); 9877 mLockScreenShown = shown; 9878 comeOutOfSleepIfNeededLocked(); 9879 } finally { 9880 Binder.restoreCallingIdentity(ident); 9881 } 9882 } 9883 } 9884 9885 @Override 9886 public void stopAppSwitches() { 9887 if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) 9888 != PackageManager.PERMISSION_GRANTED) { 9889 throw new SecurityException("Requires permission " 9890 + android.Manifest.permission.STOP_APP_SWITCHES); 9891 } 9892 9893 synchronized(this) { 9894 mAppSwitchesAllowedTime = SystemClock.uptimeMillis() 9895 + APP_SWITCH_DELAY_TIME; 9896 mDidAppSwitch = false; 9897 mHandler.removeMessages(DO_PENDING_ACTIVITY_LAUNCHES_MSG); 9898 Message msg = mHandler.obtainMessage(DO_PENDING_ACTIVITY_LAUNCHES_MSG); 9899 mHandler.sendMessageDelayed(msg, APP_SWITCH_DELAY_TIME); 9900 } 9901 } 9902 9903 public void resumeAppSwitches() { 9904 if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) 9905 != PackageManager.PERMISSION_GRANTED) { 9906 throw new SecurityException("Requires permission " 9907 + android.Manifest.permission.STOP_APP_SWITCHES); 9908 } 9909 9910 synchronized(this) { 9911 // Note that we don't execute any pending app switches... we will 9912 // let those wait until either the timeout, or the next start 9913 // activity request. 9914 mAppSwitchesAllowedTime = 0; 9915 } 9916 } 9917 9918 boolean checkAppSwitchAllowedLocked(int callingPid, int callingUid, 9919 String name) { 9920 if (mAppSwitchesAllowedTime < SystemClock.uptimeMillis()) { 9921 return true; 9922 } 9923 9924 final int perm = checkComponentPermission( 9925 android.Manifest.permission.STOP_APP_SWITCHES, callingPid, 9926 callingUid, -1, true); 9927 if (perm == PackageManager.PERMISSION_GRANTED) { 9928 return true; 9929 } 9930 9931 Slog.w(TAG, name + " request from " + callingUid + " stopped"); 9932 return false; 9933 } 9934 9935 public void setDebugApp(String packageName, boolean waitForDebugger, 9936 boolean persistent) { 9937 enforceCallingPermission(android.Manifest.permission.SET_DEBUG_APP, 9938 "setDebugApp()"); 9939 9940 long ident = Binder.clearCallingIdentity(); 9941 try { 9942 // Note that this is not really thread safe if there are multiple 9943 // callers into it at the same time, but that's not a situation we 9944 // care about. 9945 if (persistent) { 9946 final ContentResolver resolver = mContext.getContentResolver(); 9947 Settings.Global.putString( 9948 resolver, Settings.Global.DEBUG_APP, 9949 packageName); 9950 Settings.Global.putInt( 9951 resolver, Settings.Global.WAIT_FOR_DEBUGGER, 9952 waitForDebugger ? 1 : 0); 9953 } 9954 9955 synchronized (this) { 9956 if (!persistent) { 9957 mOrigDebugApp = mDebugApp; 9958 mOrigWaitForDebugger = mWaitForDebugger; 9959 } 9960 mDebugApp = packageName; 9961 mWaitForDebugger = waitForDebugger; 9962 mDebugTransient = !persistent; 9963 if (packageName != null) { 9964 forceStopPackageLocked(packageName, -1, false, false, true, true, 9965 false, UserHandle.USER_ALL, "set debug app"); 9966 } 9967 } 9968 } finally { 9969 Binder.restoreCallingIdentity(ident); 9970 } 9971 } 9972 9973 void setOpenGlTraceApp(ApplicationInfo app, String processName) { 9974 synchronized (this) { 9975 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 9976 if (!isDebuggable) { 9977 if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 9978 throw new SecurityException("Process not debuggable: " + app.packageName); 9979 } 9980 } 9981 9982 mOpenGlTraceApp = processName; 9983 } 9984 } 9985 9986 void setProfileApp(ApplicationInfo app, String processName, ProfilerInfo profilerInfo) { 9987 synchronized (this) { 9988 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 9989 if (!isDebuggable) { 9990 if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 9991 throw new SecurityException("Process not debuggable: " + app.packageName); 9992 } 9993 } 9994 mProfileApp = processName; 9995 mProfileFile = profilerInfo.profileFile; 9996 if (mProfileFd != null) { 9997 try { 9998 mProfileFd.close(); 9999 } catch (IOException e) { 10000 } 10001 mProfileFd = null; 10002 } 10003 mProfileFd = profilerInfo.profileFd; 10004 mSamplingInterval = profilerInfo.samplingInterval; 10005 mAutoStopProfiler = profilerInfo.autoStopProfiler; 10006 mProfileType = 0; 10007 } 10008 } 10009 10010 @Override 10011 public void setAlwaysFinish(boolean enabled) { 10012 enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH, 10013 "setAlwaysFinish()"); 10014 10015 Settings.Global.putInt( 10016 mContext.getContentResolver(), 10017 Settings.Global.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0); 10018 10019 synchronized (this) { 10020 mAlwaysFinishActivities = enabled; 10021 } 10022 } 10023 10024 @Override 10025 public void setActivityController(IActivityController controller) { 10026 enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, 10027 "setActivityController()"); 10028 synchronized (this) { 10029 mController = controller; 10030 Watchdog.getInstance().setActivityController(controller); 10031 } 10032 } 10033 10034 @Override 10035 public void setUserIsMonkey(boolean userIsMonkey) { 10036 synchronized (this) { 10037 synchronized (mPidsSelfLocked) { 10038 final int callingPid = Binder.getCallingPid(); 10039 ProcessRecord precessRecord = mPidsSelfLocked.get(callingPid); 10040 if (precessRecord == null) { 10041 throw new SecurityException("Unknown process: " + callingPid); 10042 } 10043 if (precessRecord.instrumentationUiAutomationConnection == null) { 10044 throw new SecurityException("Only an instrumentation process " 10045 + "with a UiAutomation can call setUserIsMonkey"); 10046 } 10047 } 10048 mUserIsMonkey = userIsMonkey; 10049 } 10050 } 10051 10052 @Override 10053 public boolean isUserAMonkey() { 10054 synchronized (this) { 10055 // If there is a controller also implies the user is a monkey. 10056 return (mUserIsMonkey || mController != null); 10057 } 10058 } 10059 10060 public void requestBugReport() { 10061 enforceCallingPermission(android.Manifest.permission.DUMP, "requestBugReport"); 10062 SystemProperties.set("ctl.start", "bugreport"); 10063 } 10064 10065 public static long getInputDispatchingTimeoutLocked(ActivityRecord r) { 10066 return r != null ? getInputDispatchingTimeoutLocked(r.app) : KEY_DISPATCHING_TIMEOUT; 10067 } 10068 10069 public static long getInputDispatchingTimeoutLocked(ProcessRecord r) { 10070 if (r != null && (r.instrumentationClass != null || r.usingWrapper)) { 10071 return INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT; 10072 } 10073 return KEY_DISPATCHING_TIMEOUT; 10074 } 10075 10076 @Override 10077 public long inputDispatchingTimedOut(int pid, final boolean aboveSystem, String reason) { 10078 if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) 10079 != PackageManager.PERMISSION_GRANTED) { 10080 throw new SecurityException("Requires permission " 10081 + android.Manifest.permission.FILTER_EVENTS); 10082 } 10083 ProcessRecord proc; 10084 long timeout; 10085 synchronized (this) { 10086 synchronized (mPidsSelfLocked) { 10087 proc = mPidsSelfLocked.get(pid); 10088 } 10089 timeout = getInputDispatchingTimeoutLocked(proc); 10090 } 10091 10092 if (!inputDispatchingTimedOut(proc, null, null, aboveSystem, reason)) { 10093 return -1; 10094 } 10095 10096 return timeout; 10097 } 10098 10099 /** 10100 * Handle input dispatching timeouts. 10101 * Returns whether input dispatching should be aborted or not. 10102 */ 10103 public boolean inputDispatchingTimedOut(final ProcessRecord proc, 10104 final ActivityRecord activity, final ActivityRecord parent, 10105 final boolean aboveSystem, String reason) { 10106 if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) 10107 != PackageManager.PERMISSION_GRANTED) { 10108 throw new SecurityException("Requires permission " 10109 + android.Manifest.permission.FILTER_EVENTS); 10110 } 10111 10112 final String annotation; 10113 if (reason == null) { 10114 annotation = "Input dispatching timed out"; 10115 } else { 10116 annotation = "Input dispatching timed out (" + reason + ")"; 10117 } 10118 10119 if (proc != null) { 10120 synchronized (this) { 10121 if (proc.debugging) { 10122 return false; 10123 } 10124 10125 if (mDidDexOpt) { 10126 // Give more time since we were dexopting. 10127 mDidDexOpt = false; 10128 return false; 10129 } 10130 10131 if (proc.instrumentationClass != null) { 10132 Bundle info = new Bundle(); 10133 info.putString("shortMsg", "keyDispatchingTimedOut"); 10134 info.putString("longMsg", annotation); 10135 finishInstrumentationLocked(proc, Activity.RESULT_CANCELED, info); 10136 return true; 10137 } 10138 } 10139 mHandler.post(new Runnable() { 10140 @Override 10141 public void run() { 10142 appNotResponding(proc, activity, parent, aboveSystem, annotation); 10143 } 10144 }); 10145 } 10146 10147 return true; 10148 } 10149 10150 public Bundle getAssistContextExtras(int requestType) { 10151 enforceCallingPermission(android.Manifest.permission.GET_TOP_ACTIVITY_INFO, 10152 "getAssistContextExtras()"); 10153 PendingAssistExtras pae; 10154 Bundle extras = new Bundle(); 10155 synchronized (this) { 10156 ActivityRecord activity = getFocusedStack().mResumedActivity; 10157 if (activity == null) { 10158 Slog.w(TAG, "getAssistContextExtras failed: no resumed activity"); 10159 return null; 10160 } 10161 extras.putString(Intent.EXTRA_ASSIST_PACKAGE, activity.packageName); 10162 if (activity.app == null || activity.app.thread == null) { 10163 Slog.w(TAG, "getAssistContextExtras failed: no process for " + activity); 10164 return extras; 10165 } 10166 if (activity.app.pid == Binder.getCallingPid()) { 10167 Slog.w(TAG, "getAssistContextExtras failed: request process same as " + activity); 10168 return extras; 10169 } 10170 pae = new PendingAssistExtras(activity); 10171 try { 10172 activity.app.thread.requestAssistContextExtras(activity.appToken, pae, 10173 requestType); 10174 mPendingAssistExtras.add(pae); 10175 mHandler.postDelayed(pae, PENDING_ASSIST_EXTRAS_TIMEOUT); 10176 } catch (RemoteException e) { 10177 Slog.w(TAG, "getAssistContextExtras failed: crash calling " + activity); 10178 return extras; 10179 } 10180 } 10181 synchronized (pae) { 10182 while (!pae.haveResult) { 10183 try { 10184 pae.wait(); 10185 } catch (InterruptedException e) { 10186 } 10187 } 10188 if (pae.result != null) { 10189 extras.putBundle(Intent.EXTRA_ASSIST_CONTEXT, pae.result); 10190 } 10191 } 10192 synchronized (this) { 10193 mPendingAssistExtras.remove(pae); 10194 mHandler.removeCallbacks(pae); 10195 } 10196 return extras; 10197 } 10198 10199 public void reportAssistContextExtras(IBinder token, Bundle extras) { 10200 PendingAssistExtras pae = (PendingAssistExtras)token; 10201 synchronized (pae) { 10202 pae.result = extras; 10203 pae.haveResult = true; 10204 pae.notifyAll(); 10205 } 10206 } 10207 10208 public void registerProcessObserver(IProcessObserver observer) { 10209 enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, 10210 "registerProcessObserver()"); 10211 synchronized (this) { 10212 mProcessObservers.register(observer); 10213 } 10214 } 10215 10216 @Override 10217 public void unregisterProcessObserver(IProcessObserver observer) { 10218 synchronized (this) { 10219 mProcessObservers.unregister(observer); 10220 } 10221 } 10222 10223 @Override 10224 public boolean convertFromTranslucent(IBinder token) { 10225 final long origId = Binder.clearCallingIdentity(); 10226 try { 10227 synchronized (this) { 10228 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10229 if (r == null) { 10230 return false; 10231 } 10232 final boolean translucentChanged = r.changeWindowTranslucency(true); 10233 if (translucentChanged) { 10234 r.task.stack.releaseBackgroundResources(); 10235 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 10236 } 10237 mWindowManager.setAppFullscreen(token, true); 10238 return translucentChanged; 10239 } 10240 } finally { 10241 Binder.restoreCallingIdentity(origId); 10242 } 10243 } 10244 10245 @Override 10246 public boolean convertToTranslucent(IBinder token, ActivityOptions options) { 10247 final long origId = Binder.clearCallingIdentity(); 10248 try { 10249 synchronized (this) { 10250 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10251 if (r == null) { 10252 return false; 10253 } 10254 int index = r.task.mActivities.lastIndexOf(r); 10255 if (index > 0) { 10256 ActivityRecord under = r.task.mActivities.get(index - 1); 10257 under.returningOptions = options; 10258 } 10259 final boolean translucentChanged = r.changeWindowTranslucency(false); 10260 if (translucentChanged) { 10261 r.task.stack.convertToTranslucent(r); 10262 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 10263 } 10264 mWindowManager.setAppFullscreen(token, false); 10265 return translucentChanged; 10266 } 10267 } finally { 10268 Binder.restoreCallingIdentity(origId); 10269 } 10270 } 10271 10272 @Override 10273 public boolean requestVisibleBehind(IBinder token, boolean visible) { 10274 final long origId = Binder.clearCallingIdentity(); 10275 try { 10276 synchronized (this) { 10277 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10278 if (r != null) { 10279 return mStackSupervisor.requestVisibleBehindLocked(r, visible); 10280 } 10281 } 10282 return false; 10283 } finally { 10284 Binder.restoreCallingIdentity(origId); 10285 } 10286 } 10287 10288 @Override 10289 public boolean isBackgroundVisibleBehind(IBinder token) { 10290 final long origId = Binder.clearCallingIdentity(); 10291 try { 10292 synchronized (this) { 10293 final ActivityStack stack = ActivityRecord.getStackLocked(token); 10294 final boolean visible = stack == null ? false : stack.hasVisibleBehindActivity(); 10295 if (ActivityStackSupervisor.DEBUG_VISIBLE_BEHIND) Slog.d(TAG, 10296 "isBackgroundVisibleBehind: stack=" + stack + " visible=" + visible); 10297 return visible; 10298 } 10299 } finally { 10300 Binder.restoreCallingIdentity(origId); 10301 } 10302 } 10303 10304 @Override 10305 public ActivityOptions getActivityOptions(IBinder token) { 10306 final long origId = Binder.clearCallingIdentity(); 10307 try { 10308 synchronized (this) { 10309 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10310 if (r != null) { 10311 final ActivityOptions activityOptions = r.pendingOptions; 10312 r.pendingOptions = null; 10313 return activityOptions; 10314 } 10315 return null; 10316 } 10317 } finally { 10318 Binder.restoreCallingIdentity(origId); 10319 } 10320 } 10321 10322 @Override 10323 public void setImmersive(IBinder token, boolean immersive) { 10324 synchronized(this) { 10325 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 10326 if (r == null) { 10327 throw new IllegalArgumentException(); 10328 } 10329 r.immersive = immersive; 10330 10331 // update associated state if we're frontmost 10332 if (r == mFocusedActivity) { 10333 if (DEBUG_IMMERSIVE) { 10334 Slog.d(TAG, "Frontmost changed immersion: "+ r); 10335 } 10336 applyUpdateLockStateLocked(r); 10337 } 10338 } 10339 } 10340 10341 @Override 10342 public boolean isImmersive(IBinder token) { 10343 synchronized (this) { 10344 ActivityRecord r = ActivityRecord.isInStackLocked(token); 10345 if (r == null) { 10346 throw new IllegalArgumentException(); 10347 } 10348 return r.immersive; 10349 } 10350 } 10351 10352 public boolean isTopActivityImmersive() { 10353 enforceNotIsolatedCaller("startActivity"); 10354 synchronized (this) { 10355 ActivityRecord r = getFocusedStack().topRunningActivityLocked(null); 10356 return (r != null) ? r.immersive : false; 10357 } 10358 } 10359 10360 @Override 10361 public boolean isTopOfTask(IBinder token) { 10362 synchronized (this) { 10363 ActivityRecord r = ActivityRecord.isInStackLocked(token); 10364 if (r == null) { 10365 throw new IllegalArgumentException(); 10366 } 10367 return r.task.getTopActivity() == r; 10368 } 10369 } 10370 10371 public final void enterSafeMode() { 10372 synchronized(this) { 10373 // It only makes sense to do this before the system is ready 10374 // and started launching other packages. 10375 if (!mSystemReady) { 10376 try { 10377 AppGlobals.getPackageManager().enterSafeMode(); 10378 } catch (RemoteException e) { 10379 } 10380 } 10381 10382 mSafeMode = true; 10383 } 10384 } 10385 10386 public final void showSafeModeOverlay() { 10387 View v = LayoutInflater.from(mContext).inflate( 10388 com.android.internal.R.layout.safe_mode, null); 10389 WindowManager.LayoutParams lp = new WindowManager.LayoutParams(); 10390 lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY; 10391 lp.width = WindowManager.LayoutParams.WRAP_CONTENT; 10392 lp.height = WindowManager.LayoutParams.WRAP_CONTENT; 10393 lp.gravity = Gravity.BOTTOM | Gravity.START; 10394 lp.format = v.getBackground().getOpacity(); 10395 lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 10396 | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 10397 lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 10398 ((WindowManager)mContext.getSystemService( 10399 Context.WINDOW_SERVICE)).addView(v, lp); 10400 } 10401 10402 public void noteWakeupAlarm(IIntentSender sender, int sourceUid, String sourcePkg) { 10403 if (!(sender instanceof PendingIntentRecord)) { 10404 return; 10405 } 10406 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 10407 synchronized (stats) { 10408 if (mBatteryStatsService.isOnBattery()) { 10409 mBatteryStatsService.enforceCallingPermission(); 10410 PendingIntentRecord rec = (PendingIntentRecord)sender; 10411 int MY_UID = Binder.getCallingUid(); 10412 int uid = rec.uid == MY_UID ? Process.SYSTEM_UID : rec.uid; 10413 BatteryStatsImpl.Uid.Pkg pkg = 10414 stats.getPackageStatsLocked(sourceUid >= 0 ? sourceUid : uid, 10415 sourcePkg != null ? sourcePkg : rec.key.packageName); 10416 pkg.incWakeupsLocked(); 10417 } 10418 } 10419 } 10420 10421 public boolean killPids(int[] pids, String pReason, boolean secure) { 10422 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10423 throw new SecurityException("killPids only available to the system"); 10424 } 10425 String reason = (pReason == null) ? "Unknown" : pReason; 10426 // XXX Note: don't acquire main activity lock here, because the window 10427 // manager calls in with its locks held. 10428 10429 boolean killed = false; 10430 synchronized (mPidsSelfLocked) { 10431 int[] types = new int[pids.length]; 10432 int worstType = 0; 10433 for (int i=0; i<pids.length; i++) { 10434 ProcessRecord proc = mPidsSelfLocked.get(pids[i]); 10435 if (proc != null) { 10436 int type = proc.setAdj; 10437 types[i] = type; 10438 if (type > worstType) { 10439 worstType = type; 10440 } 10441 } 10442 } 10443 10444 // If the worst oom_adj is somewhere in the cached proc LRU range, 10445 // then constrain it so we will kill all cached procs. 10446 if (worstType < ProcessList.CACHED_APP_MAX_ADJ 10447 && worstType > ProcessList.CACHED_APP_MIN_ADJ) { 10448 worstType = ProcessList.CACHED_APP_MIN_ADJ; 10449 } 10450 10451 // If this is not a secure call, don't let it kill processes that 10452 // are important. 10453 if (!secure && worstType < ProcessList.SERVICE_ADJ) { 10454 worstType = ProcessList.SERVICE_ADJ; 10455 } 10456 10457 Slog.w(TAG, "Killing processes " + reason + " at adjustment " + worstType); 10458 for (int i=0; i<pids.length; i++) { 10459 ProcessRecord proc = mPidsSelfLocked.get(pids[i]); 10460 if (proc == null) { 10461 continue; 10462 } 10463 int adj = proc.setAdj; 10464 if (adj >= worstType && !proc.killedByAm) { 10465 proc.kill(reason, true); 10466 killed = true; 10467 } 10468 } 10469 } 10470 return killed; 10471 } 10472 10473 @Override 10474 public void killUid(int uid, String reason) { 10475 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10476 throw new SecurityException("killUid only available to the system"); 10477 } 10478 synchronized (this) { 10479 killPackageProcessesLocked(null, UserHandle.getAppId(uid), UserHandle.getUserId(uid), 10480 ProcessList.FOREGROUND_APP_ADJ-1, false, true, true, false, 10481 reason != null ? reason : "kill uid"); 10482 } 10483 } 10484 10485 @Override 10486 public boolean killProcessesBelowForeground(String reason) { 10487 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10488 throw new SecurityException("killProcessesBelowForeground() only available to system"); 10489 } 10490 10491 return killProcessesBelowAdj(ProcessList.FOREGROUND_APP_ADJ, reason); 10492 } 10493 10494 private boolean killProcessesBelowAdj(int belowAdj, String reason) { 10495 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 10496 throw new SecurityException("killProcessesBelowAdj() only available to system"); 10497 } 10498 10499 boolean killed = false; 10500 synchronized (mPidsSelfLocked) { 10501 final int size = mPidsSelfLocked.size(); 10502 for (int i = 0; i < size; i++) { 10503 final int pid = mPidsSelfLocked.keyAt(i); 10504 final ProcessRecord proc = mPidsSelfLocked.valueAt(i); 10505 if (proc == null) continue; 10506 10507 final int adj = proc.setAdj; 10508 if (adj > belowAdj && !proc.killedByAm) { 10509 proc.kill(reason, true); 10510 killed = true; 10511 } 10512 } 10513 } 10514 return killed; 10515 } 10516 10517 @Override 10518 public void hang(final IBinder who, boolean allowRestart) { 10519 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 10520 != PackageManager.PERMISSION_GRANTED) { 10521 throw new SecurityException("Requires permission " 10522 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 10523 } 10524 10525 final IBinder.DeathRecipient death = new DeathRecipient() { 10526 @Override 10527 public void binderDied() { 10528 synchronized (this) { 10529 notifyAll(); 10530 } 10531 } 10532 }; 10533 10534 try { 10535 who.linkToDeath(death, 0); 10536 } catch (RemoteException e) { 10537 Slog.w(TAG, "hang: given caller IBinder is already dead."); 10538 return; 10539 } 10540 10541 synchronized (this) { 10542 Watchdog.getInstance().setAllowRestart(allowRestart); 10543 Slog.i(TAG, "Hanging system process at request of pid " + Binder.getCallingPid()); 10544 synchronized (death) { 10545 while (who.isBinderAlive()) { 10546 try { 10547 death.wait(); 10548 } catch (InterruptedException e) { 10549 } 10550 } 10551 } 10552 Watchdog.getInstance().setAllowRestart(true); 10553 } 10554 } 10555 10556 @Override 10557 public void restart() { 10558 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 10559 != PackageManager.PERMISSION_GRANTED) { 10560 throw new SecurityException("Requires permission " 10561 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 10562 } 10563 10564 Log.i(TAG, "Sending shutdown broadcast..."); 10565 10566 BroadcastReceiver br = new BroadcastReceiver() { 10567 @Override public void onReceive(Context context, Intent intent) { 10568 // Now the broadcast is done, finish up the low-level shutdown. 10569 Log.i(TAG, "Shutting down activity manager..."); 10570 shutdown(10000); 10571 Log.i(TAG, "Shutdown complete, restarting!"); 10572 Process.killProcess(Process.myPid()); 10573 System.exit(10); 10574 } 10575 }; 10576 10577 // First send the high-level shut down broadcast. 10578 Intent intent = new Intent(Intent.ACTION_SHUTDOWN); 10579 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10580 intent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true); 10581 /* For now we are not doing a clean shutdown, because things seem to get unhappy. 10582 mContext.sendOrderedBroadcastAsUser(intent, 10583 UserHandle.ALL, null, br, mHandler, 0, null, null); 10584 */ 10585 br.onReceive(mContext, intent); 10586 } 10587 10588 private long getLowRamTimeSinceIdle(long now) { 10589 return mLowRamTimeSinceLastIdle + (mLowRamStartTime > 0 ? (now-mLowRamStartTime) : 0); 10590 } 10591 10592 @Override 10593 public void performIdleMaintenance() { 10594 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 10595 != PackageManager.PERMISSION_GRANTED) { 10596 throw new SecurityException("Requires permission " 10597 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 10598 } 10599 10600 synchronized (this) { 10601 final long now = SystemClock.uptimeMillis(); 10602 final long timeSinceLastIdle = now - mLastIdleTime; 10603 final long lowRamSinceLastIdle = getLowRamTimeSinceIdle(now); 10604 mLastIdleTime = now; 10605 mLowRamTimeSinceLastIdle = 0; 10606 if (mLowRamStartTime != 0) { 10607 mLowRamStartTime = now; 10608 } 10609 10610 StringBuilder sb = new StringBuilder(128); 10611 sb.append("Idle maintenance over "); 10612 TimeUtils.formatDuration(timeSinceLastIdle, sb); 10613 sb.append(" low RAM for "); 10614 TimeUtils.formatDuration(lowRamSinceLastIdle, sb); 10615 Slog.i(TAG, sb.toString()); 10616 10617 // If at least 1/3 of our time since the last idle period has been spent 10618 // with RAM low, then we want to kill processes. 10619 boolean doKilling = lowRamSinceLastIdle > (timeSinceLastIdle/3); 10620 10621 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 10622 ProcessRecord proc = mLruProcesses.get(i); 10623 if (proc.notCachedSinceIdle) { 10624 if (proc.setProcState > ActivityManager.PROCESS_STATE_TOP 10625 && proc.setProcState <= ActivityManager.PROCESS_STATE_SERVICE) { 10626 if (doKilling && proc.initialIdlePss != 0 10627 && proc.lastPss > ((proc.initialIdlePss*3)/2)) { 10628 proc.kill("idle maint (pss " + proc.lastPss 10629 + " from " + proc.initialIdlePss + ")", true); 10630 } 10631 } 10632 } else if (proc.setProcState < ActivityManager.PROCESS_STATE_HOME) { 10633 proc.notCachedSinceIdle = true; 10634 proc.initialIdlePss = 0; 10635 proc.nextPssTime = ProcessList.computeNextPssTime(proc.curProcState, true, 10636 isSleeping(), now); 10637 } 10638 } 10639 10640 mHandler.removeMessages(REQUEST_ALL_PSS_MSG); 10641 mHandler.sendEmptyMessageDelayed(REQUEST_ALL_PSS_MSG, 2*60*1000); 10642 } 10643 } 10644 10645 private void retrieveSettings() { 10646 final ContentResolver resolver = mContext.getContentResolver(); 10647 String debugApp = Settings.Global.getString( 10648 resolver, Settings.Global.DEBUG_APP); 10649 boolean waitForDebugger = Settings.Global.getInt( 10650 resolver, Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0; 10651 boolean alwaysFinishActivities = Settings.Global.getInt( 10652 resolver, Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0; 10653 boolean forceRtl = Settings.Global.getInt( 10654 resolver, Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0; 10655 // Transfer any global setting for forcing RTL layout, into a System Property 10656 SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, forceRtl ? "1":"0"); 10657 10658 Configuration configuration = new Configuration(); 10659 Settings.System.getConfiguration(resolver, configuration); 10660 if (forceRtl) { 10661 // This will take care of setting the correct layout direction flags 10662 configuration.setLayoutDirection(configuration.locale); 10663 } 10664 10665 synchronized (this) { 10666 mDebugApp = mOrigDebugApp = debugApp; 10667 mWaitForDebugger = mOrigWaitForDebugger = waitForDebugger; 10668 mAlwaysFinishActivities = alwaysFinishActivities; 10669 // This happens before any activities are started, so we can 10670 // change mConfiguration in-place. 10671 updateConfigurationLocked(configuration, null, false, true); 10672 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Initial config: " + mConfiguration); 10673 } 10674 } 10675 10676 public boolean testIsSystemReady() { 10677 // no need to synchronize(this) just to read & return the value 10678 return mSystemReady; 10679 } 10680 10681 private static File getCalledPreBootReceiversFile() { 10682 File dataDir = Environment.getDataDirectory(); 10683 File systemDir = new File(dataDir, "system"); 10684 File fname = new File(systemDir, CALLED_PRE_BOOTS_FILENAME); 10685 return fname; 10686 } 10687 10688 private static ArrayList<ComponentName> readLastDonePreBootReceivers() { 10689 ArrayList<ComponentName> lastDoneReceivers = new ArrayList<ComponentName>(); 10690 File file = getCalledPreBootReceiversFile(); 10691 FileInputStream fis = null; 10692 try { 10693 fis = new FileInputStream(file); 10694 DataInputStream dis = new DataInputStream(new BufferedInputStream(fis, 2048)); 10695 int fvers = dis.readInt(); 10696 if (fvers == LAST_PREBOOT_DELIVERED_FILE_VERSION) { 10697 String vers = dis.readUTF(); 10698 String codename = dis.readUTF(); 10699 String build = dis.readUTF(); 10700 if (android.os.Build.VERSION.RELEASE.equals(vers) 10701 && android.os.Build.VERSION.CODENAME.equals(codename) 10702 && android.os.Build.VERSION.INCREMENTAL.equals(build)) { 10703 int num = dis.readInt(); 10704 while (num > 0) { 10705 num--; 10706 String pkg = dis.readUTF(); 10707 String cls = dis.readUTF(); 10708 lastDoneReceivers.add(new ComponentName(pkg, cls)); 10709 } 10710 } 10711 } 10712 } catch (FileNotFoundException e) { 10713 } catch (IOException e) { 10714 Slog.w(TAG, "Failure reading last done pre-boot receivers", e); 10715 } finally { 10716 if (fis != null) { 10717 try { 10718 fis.close(); 10719 } catch (IOException e) { 10720 } 10721 } 10722 } 10723 return lastDoneReceivers; 10724 } 10725 10726 private static void writeLastDonePreBootReceivers(ArrayList<ComponentName> list) { 10727 File file = getCalledPreBootReceiversFile(); 10728 FileOutputStream fos = null; 10729 DataOutputStream dos = null; 10730 try { 10731 fos = new FileOutputStream(file); 10732 dos = new DataOutputStream(new BufferedOutputStream(fos, 2048)); 10733 dos.writeInt(LAST_PREBOOT_DELIVERED_FILE_VERSION); 10734 dos.writeUTF(android.os.Build.VERSION.RELEASE); 10735 dos.writeUTF(android.os.Build.VERSION.CODENAME); 10736 dos.writeUTF(android.os.Build.VERSION.INCREMENTAL); 10737 dos.writeInt(list.size()); 10738 for (int i=0; i<list.size(); i++) { 10739 dos.writeUTF(list.get(i).getPackageName()); 10740 dos.writeUTF(list.get(i).getClassName()); 10741 } 10742 } catch (IOException e) { 10743 Slog.w(TAG, "Failure writing last done pre-boot receivers", e); 10744 file.delete(); 10745 } finally { 10746 FileUtils.sync(fos); 10747 if (dos != null) { 10748 try { 10749 dos.close(); 10750 } catch (IOException e) { 10751 // TODO Auto-generated catch block 10752 e.printStackTrace(); 10753 } 10754 } 10755 } 10756 } 10757 10758 private boolean deliverPreBootCompleted(final Runnable onFinishCallback, 10759 ArrayList<ComponentName> doneReceivers, int userId) { 10760 boolean waitingUpdate = false; 10761 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 10762 List<ResolveInfo> ris = null; 10763 try { 10764 ris = AppGlobals.getPackageManager().queryIntentReceivers( 10765 intent, null, 0, userId); 10766 } catch (RemoteException e) { 10767 } 10768 if (ris != null) { 10769 for (int i=ris.size()-1; i>=0; i--) { 10770 if ((ris.get(i).activityInfo.applicationInfo.flags 10771 &ApplicationInfo.FLAG_SYSTEM) == 0) { 10772 ris.remove(i); 10773 } 10774 } 10775 intent.addFlags(Intent.FLAG_RECEIVER_BOOT_UPGRADE); 10776 10777 // For User 0, load the version number. When delivering to a new user, deliver 10778 // to all receivers. 10779 if (userId == UserHandle.USER_OWNER) { 10780 ArrayList<ComponentName> lastDoneReceivers = readLastDonePreBootReceivers(); 10781 for (int i=0; i<ris.size(); i++) { 10782 ActivityInfo ai = ris.get(i).activityInfo; 10783 ComponentName comp = new ComponentName(ai.packageName, ai.name); 10784 if (lastDoneReceivers.contains(comp)) { 10785 // We already did the pre boot receiver for this app with the current 10786 // platform version, so don't do it again... 10787 ris.remove(i); 10788 i--; 10789 // ...however, do keep it as one that has been done, so we don't 10790 // forget about it when rewriting the file of last done receivers. 10791 doneReceivers.add(comp); 10792 } 10793 } 10794 } 10795 10796 // If primary user, send broadcast to all available users, else just to userId 10797 final int[] users = userId == UserHandle.USER_OWNER ? getUsersLocked() 10798 : new int[] { userId }; 10799 for (int i = 0; i < ris.size(); i++) { 10800 ActivityInfo ai = ris.get(i).activityInfo; 10801 ComponentName comp = new ComponentName(ai.packageName, ai.name); 10802 doneReceivers.add(comp); 10803 intent.setComponent(comp); 10804 for (int j=0; j<users.length; j++) { 10805 IIntentReceiver finisher = null; 10806 // On last receiver and user, set up a completion callback 10807 if (i == ris.size() - 1 && j == users.length - 1 && onFinishCallback != null) { 10808 finisher = new IIntentReceiver.Stub() { 10809 public void performReceive(Intent intent, int resultCode, 10810 String data, Bundle extras, boolean ordered, 10811 boolean sticky, int sendingUser) { 10812 // The raw IIntentReceiver interface is called 10813 // with the AM lock held, so redispatch to 10814 // execute our code without the lock. 10815 mHandler.post(onFinishCallback); 10816 } 10817 }; 10818 } 10819 Slog.i(TAG, "Sending system update to " + intent.getComponent() 10820 + " for user " + users[j]); 10821 broadcastIntentLocked(null, null, intent, null, finisher, 10822 0, null, null, null, AppOpsManager.OP_NONE, 10823 true, false, MY_PID, Process.SYSTEM_UID, 10824 users[j]); 10825 if (finisher != null) { 10826 waitingUpdate = true; 10827 } 10828 } 10829 } 10830 } 10831 10832 return waitingUpdate; 10833 } 10834 10835 public void systemReady(final Runnable goingCallback) { 10836 synchronized(this) { 10837 if (mSystemReady) { 10838 // If we're done calling all the receivers, run the next "boot phase" passed in 10839 // by the SystemServer 10840 if (goingCallback != null) { 10841 goingCallback.run(); 10842 } 10843 return; 10844 } 10845 10846 // Make sure we have the current profile info, since it is needed for 10847 // security checks. 10848 updateCurrentProfileIdsLocked(); 10849 10850 if (mRecentTasks == null) { 10851 mRecentTasks = mTaskPersister.restoreTasksLocked(); 10852 if (!mRecentTasks.isEmpty()) { 10853 mStackSupervisor.createStackForRestoredTaskHistory(mRecentTasks); 10854 } 10855 cleanupRecentTasksLocked(UserHandle.USER_ALL); 10856 mTaskPersister.startPersisting(); 10857 } 10858 10859 // Check to see if there are any update receivers to run. 10860 if (!mDidUpdate) { 10861 if (mWaitingUpdate) { 10862 return; 10863 } 10864 final ArrayList<ComponentName> doneReceivers = new ArrayList<ComponentName>(); 10865 mWaitingUpdate = deliverPreBootCompleted(new Runnable() { 10866 public void run() { 10867 synchronized (ActivityManagerService.this) { 10868 mDidUpdate = true; 10869 } 10870 writeLastDonePreBootReceivers(doneReceivers); 10871 showBootMessage(mContext.getText( 10872 R.string.android_upgrading_complete), 10873 false); 10874 systemReady(goingCallback); 10875 } 10876 }, doneReceivers, UserHandle.USER_OWNER); 10877 10878 if (mWaitingUpdate) { 10879 return; 10880 } 10881 mDidUpdate = true; 10882 } 10883 10884 mAppOpsService.systemReady(); 10885 mSystemReady = true; 10886 } 10887 10888 ArrayList<ProcessRecord> procsToKill = null; 10889 synchronized(mPidsSelfLocked) { 10890 for (int i=mPidsSelfLocked.size()-1; i>=0; i--) { 10891 ProcessRecord proc = mPidsSelfLocked.valueAt(i); 10892 if (!isAllowedWhileBooting(proc.info)){ 10893 if (procsToKill == null) { 10894 procsToKill = new ArrayList<ProcessRecord>(); 10895 } 10896 procsToKill.add(proc); 10897 } 10898 } 10899 } 10900 10901 synchronized(this) { 10902 if (procsToKill != null) { 10903 for (int i=procsToKill.size()-1; i>=0; i--) { 10904 ProcessRecord proc = procsToKill.get(i); 10905 Slog.i(TAG, "Removing system update proc: " + proc); 10906 removeProcessLocked(proc, true, false, "system update done"); 10907 } 10908 } 10909 10910 // Now that we have cleaned up any update processes, we 10911 // are ready to start launching real processes and know that 10912 // we won't trample on them any more. 10913 mProcessesReady = true; 10914 } 10915 10916 Slog.i(TAG, "System now ready"); 10917 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_AMS_READY, 10918 SystemClock.uptimeMillis()); 10919 10920 synchronized(this) { 10921 // Make sure we have no pre-ready processes sitting around. 10922 10923 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL) { 10924 ResolveInfo ri = mContext.getPackageManager() 10925 .resolveActivity(new Intent(Intent.ACTION_FACTORY_TEST), 10926 STOCK_PM_FLAGS); 10927 CharSequence errorMsg = null; 10928 if (ri != null) { 10929 ActivityInfo ai = ri.activityInfo; 10930 ApplicationInfo app = ai.applicationInfo; 10931 if ((app.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10932 mTopAction = Intent.ACTION_FACTORY_TEST; 10933 mTopData = null; 10934 mTopComponent = new ComponentName(app.packageName, 10935 ai.name); 10936 } else { 10937 errorMsg = mContext.getResources().getText( 10938 com.android.internal.R.string.factorytest_not_system); 10939 } 10940 } else { 10941 errorMsg = mContext.getResources().getText( 10942 com.android.internal.R.string.factorytest_no_action); 10943 } 10944 if (errorMsg != null) { 10945 mTopAction = null; 10946 mTopData = null; 10947 mTopComponent = null; 10948 Message msg = Message.obtain(); 10949 msg.what = SHOW_FACTORY_ERROR_MSG; 10950 msg.getData().putCharSequence("msg", errorMsg); 10951 mHandler.sendMessage(msg); 10952 } 10953 } 10954 } 10955 10956 retrieveSettings(); 10957 10958 synchronized (this) { 10959 readGrantedUriPermissionsLocked(); 10960 } 10961 10962 if (goingCallback != null) goingCallback.run(); 10963 10964 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START, 10965 Integer.toString(mCurrentUserId), mCurrentUserId); 10966 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START, 10967 Integer.toString(mCurrentUserId), mCurrentUserId); 10968 mSystemServiceManager.startUser(mCurrentUserId); 10969 10970 synchronized (this) { 10971 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 10972 try { 10973 List apps = AppGlobals.getPackageManager(). 10974 getPersistentApplications(STOCK_PM_FLAGS); 10975 if (apps != null) { 10976 int N = apps.size(); 10977 int i; 10978 for (i=0; i<N; i++) { 10979 ApplicationInfo info 10980 = (ApplicationInfo)apps.get(i); 10981 if (info != null && 10982 !info.packageName.equals("android")) { 10983 addAppLocked(info, false, null /* ABI override */); 10984 } 10985 } 10986 } 10987 } catch (RemoteException ex) { 10988 // pm is in same process, this will never happen. 10989 } 10990 } 10991 10992 // Start up initial activity. 10993 mBooting = true; 10994 10995 try { 10996 if (AppGlobals.getPackageManager().hasSystemUidErrors()) { 10997 Message msg = Message.obtain(); 10998 msg.what = SHOW_UID_ERROR_MSG; 10999 mHandler.sendMessage(msg); 11000 } 11001 } catch (RemoteException e) { 11002 } 11003 11004 long ident = Binder.clearCallingIdentity(); 11005 try { 11006 Intent intent = new Intent(Intent.ACTION_USER_STARTED); 11007 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 11008 | Intent.FLAG_RECEIVER_FOREGROUND); 11009 intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); 11010 broadcastIntentLocked(null, null, intent, 11011 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 11012 false, false, MY_PID, Process.SYSTEM_UID, mCurrentUserId); 11013 intent = new Intent(Intent.ACTION_USER_STARTING); 11014 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 11015 intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); 11016 broadcastIntentLocked(null, null, intent, 11017 null, new IIntentReceiver.Stub() { 11018 @Override 11019 public void performReceive(Intent intent, int resultCode, String data, 11020 Bundle extras, boolean ordered, boolean sticky, int sendingUser) 11021 throws RemoteException { 11022 } 11023 }, 0, null, null, 11024 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 11025 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 11026 } catch (Throwable t) { 11027 Slog.wtf(TAG, "Failed sending first user broadcasts", t); 11028 } finally { 11029 Binder.restoreCallingIdentity(ident); 11030 } 11031 mStackSupervisor.resumeTopActivitiesLocked(); 11032 sendUserSwitchBroadcastsLocked(-1, mCurrentUserId); 11033 } 11034 } 11035 11036 private boolean makeAppCrashingLocked(ProcessRecord app, 11037 String shortMsg, String longMsg, String stackTrace) { 11038 app.crashing = true; 11039 app.crashingReport = generateProcessError(app, 11040 ActivityManager.ProcessErrorStateInfo.CRASHED, null, shortMsg, longMsg, stackTrace); 11041 startAppProblemLocked(app); 11042 app.stopFreezingAllLocked(); 11043 return handleAppCrashLocked(app, shortMsg, longMsg, stackTrace); 11044 } 11045 11046 private void makeAppNotRespondingLocked(ProcessRecord app, 11047 String activity, String shortMsg, String longMsg) { 11048 app.notResponding = true; 11049 app.notRespondingReport = generateProcessError(app, 11050 ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING, 11051 activity, shortMsg, longMsg, null); 11052 startAppProblemLocked(app); 11053 app.stopFreezingAllLocked(); 11054 } 11055 11056 /** 11057 * Generate a process error record, suitable for attachment to a ProcessRecord. 11058 * 11059 * @param app The ProcessRecord in which the error occurred. 11060 * @param condition Crashing, Application Not Responding, etc. Values are defined in 11061 * ActivityManager.AppErrorStateInfo 11062 * @param activity The activity associated with the crash, if known. 11063 * @param shortMsg Short message describing the crash. 11064 * @param longMsg Long message describing the crash. 11065 * @param stackTrace Full crash stack trace, may be null. 11066 * 11067 * @return Returns a fully-formed AppErrorStateInfo record. 11068 */ 11069 private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app, 11070 int condition, String activity, String shortMsg, String longMsg, String stackTrace) { 11071 ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo(); 11072 11073 report.condition = condition; 11074 report.processName = app.processName; 11075 report.pid = app.pid; 11076 report.uid = app.info.uid; 11077 report.tag = activity; 11078 report.shortMsg = shortMsg; 11079 report.longMsg = longMsg; 11080 report.stackTrace = stackTrace; 11081 11082 return report; 11083 } 11084 11085 void killAppAtUsersRequest(ProcessRecord app, Dialog fromDialog) { 11086 synchronized (this) { 11087 app.crashing = false; 11088 app.crashingReport = null; 11089 app.notResponding = false; 11090 app.notRespondingReport = null; 11091 if (app.anrDialog == fromDialog) { 11092 app.anrDialog = null; 11093 } 11094 if (app.waitDialog == fromDialog) { 11095 app.waitDialog = null; 11096 } 11097 if (app.pid > 0 && app.pid != MY_PID) { 11098 handleAppCrashLocked(app, null, null, null); 11099 app.kill("user request after error", true); 11100 } 11101 } 11102 } 11103 11104 private boolean handleAppCrashLocked(ProcessRecord app, String shortMsg, String longMsg, 11105 String stackTrace) { 11106 long now = SystemClock.uptimeMillis(); 11107 11108 Long crashTime; 11109 if (!app.isolated) { 11110 crashTime = mProcessCrashTimes.get(app.info.processName, app.uid); 11111 } else { 11112 crashTime = null; 11113 } 11114 if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) { 11115 // This process loses! 11116 Slog.w(TAG, "Process " + app.info.processName 11117 + " has crashed too many times: killing!"); 11118 EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH, 11119 app.userId, app.info.processName, app.uid); 11120 mStackSupervisor.handleAppCrashLocked(app); 11121 if (!app.persistent) { 11122 // We don't want to start this process again until the user 11123 // explicitly does so... but for persistent process, we really 11124 // need to keep it running. If a persistent process is actually 11125 // repeatedly crashing, then badness for everyone. 11126 EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid, 11127 app.info.processName); 11128 if (!app.isolated) { 11129 // XXX We don't have a way to mark isolated processes 11130 // as bad, since they don't have a peristent identity. 11131 mBadProcesses.put(app.info.processName, app.uid, 11132 new BadProcessInfo(now, shortMsg, longMsg, stackTrace)); 11133 mProcessCrashTimes.remove(app.info.processName, app.uid); 11134 } 11135 app.bad = true; 11136 app.removed = true; 11137 // Don't let services in this process be restarted and potentially 11138 // annoy the user repeatedly. Unless it is persistent, since those 11139 // processes run critical code. 11140 removeProcessLocked(app, false, false, "crash"); 11141 mStackSupervisor.resumeTopActivitiesLocked(); 11142 return false; 11143 } 11144 mStackSupervisor.resumeTopActivitiesLocked(); 11145 } else { 11146 mStackSupervisor.finishTopRunningActivityLocked(app); 11147 } 11148 11149 // Bump up the crash count of any services currently running in the proc. 11150 for (int i=app.services.size()-1; i>=0; i--) { 11151 // Any services running in the application need to be placed 11152 // back in the pending list. 11153 ServiceRecord sr = app.services.valueAt(i); 11154 sr.crashCount++; 11155 } 11156 11157 // If the crashing process is what we consider to be the "home process" and it has been 11158 // replaced by a third-party app, clear the package preferred activities from packages 11159 // with a home activity running in the process to prevent a repeatedly crashing app 11160 // from blocking the user to manually clear the list. 11161 final ArrayList<ActivityRecord> activities = app.activities; 11162 if (app == mHomeProcess && activities.size() > 0 11163 && (mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { 11164 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 11165 final ActivityRecord r = activities.get(activityNdx); 11166 if (r.isHomeActivity()) { 11167 Log.i(TAG, "Clearing package preferred activities from " + r.packageName); 11168 try { 11169 ActivityThread.getPackageManager() 11170 .clearPackagePreferredActivities(r.packageName); 11171 } catch (RemoteException c) { 11172 // pm is in same process, this will never happen. 11173 } 11174 } 11175 } 11176 } 11177 11178 if (!app.isolated) { 11179 // XXX Can't keep track of crash times for isolated processes, 11180 // because they don't have a perisistent identity. 11181 mProcessCrashTimes.put(app.info.processName, app.uid, now); 11182 } 11183 11184 if (app.crashHandler != null) mHandler.post(app.crashHandler); 11185 return true; 11186 } 11187 11188 void startAppProblemLocked(ProcessRecord app) { 11189 // If this app is not running under the current user, then we 11190 // can't give it a report button because that would require 11191 // launching the report UI under a different user. 11192 app.errorReportReceiver = null; 11193 11194 for (int userId : mCurrentProfileIds) { 11195 if (app.userId == userId) { 11196 app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver( 11197 mContext, app.info.packageName, app.info.flags); 11198 } 11199 } 11200 skipCurrentReceiverLocked(app); 11201 } 11202 11203 void skipCurrentReceiverLocked(ProcessRecord app) { 11204 for (BroadcastQueue queue : mBroadcastQueues) { 11205 queue.skipCurrentReceiverLocked(app); 11206 } 11207 } 11208 11209 /** 11210 * Used by {@link com.android.internal.os.RuntimeInit} to report when an application crashes. 11211 * The application process will exit immediately after this call returns. 11212 * @param app object of the crashing app, null for the system server 11213 * @param crashInfo describing the exception 11214 */ 11215 public void handleApplicationCrash(IBinder app, ApplicationErrorReport.CrashInfo crashInfo) { 11216 ProcessRecord r = findAppProcess(app, "Crash"); 11217 final String processName = app == null ? "system_server" 11218 : (r == null ? "unknown" : r.processName); 11219 11220 handleApplicationCrashInner("crash", r, processName, crashInfo); 11221 } 11222 11223 /* Native crash reporting uses this inner version because it needs to be somewhat 11224 * decoupled from the AM-managed cleanup lifecycle 11225 */ 11226 void handleApplicationCrashInner(String eventType, ProcessRecord r, String processName, 11227 ApplicationErrorReport.CrashInfo crashInfo) { 11228 EventLog.writeEvent(EventLogTags.AM_CRASH, Binder.getCallingPid(), 11229 UserHandle.getUserId(Binder.getCallingUid()), processName, 11230 r == null ? -1 : r.info.flags, 11231 crashInfo.exceptionClassName, 11232 crashInfo.exceptionMessage, 11233 crashInfo.throwFileName, 11234 crashInfo.throwLineNumber); 11235 11236 addErrorToDropBox(eventType, r, processName, null, null, null, null, null, crashInfo); 11237 11238 crashApplication(r, crashInfo); 11239 } 11240 11241 public void handleApplicationStrictModeViolation( 11242 IBinder app, 11243 int violationMask, 11244 StrictMode.ViolationInfo info) { 11245 ProcessRecord r = findAppProcess(app, "StrictMode"); 11246 if (r == null) { 11247 return; 11248 } 11249 11250 if ((violationMask & StrictMode.PENALTY_DROPBOX) != 0) { 11251 Integer stackFingerprint = info.hashCode(); 11252 boolean logIt = true; 11253 synchronized (mAlreadyLoggedViolatedStacks) { 11254 if (mAlreadyLoggedViolatedStacks.contains(stackFingerprint)) { 11255 logIt = false; 11256 // TODO: sub-sample into EventLog for these, with 11257 // the info.durationMillis? Then we'd get 11258 // the relative pain numbers, without logging all 11259 // the stack traces repeatedly. We'd want to do 11260 // likewise in the client code, which also does 11261 // dup suppression, before the Binder call. 11262 } else { 11263 if (mAlreadyLoggedViolatedStacks.size() >= MAX_DUP_SUPPRESSED_STACKS) { 11264 mAlreadyLoggedViolatedStacks.clear(); 11265 } 11266 mAlreadyLoggedViolatedStacks.add(stackFingerprint); 11267 } 11268 } 11269 if (logIt) { 11270 logStrictModeViolationToDropBox(r, info); 11271 } 11272 } 11273 11274 if ((violationMask & StrictMode.PENALTY_DIALOG) != 0) { 11275 AppErrorResult result = new AppErrorResult(); 11276 synchronized (this) { 11277 final long origId = Binder.clearCallingIdentity(); 11278 11279 Message msg = Message.obtain(); 11280 msg.what = SHOW_STRICT_MODE_VIOLATION_MSG; 11281 HashMap<String, Object> data = new HashMap<String, Object>(); 11282 data.put("result", result); 11283 data.put("app", r); 11284 data.put("violationMask", violationMask); 11285 data.put("info", info); 11286 msg.obj = data; 11287 mHandler.sendMessage(msg); 11288 11289 Binder.restoreCallingIdentity(origId); 11290 } 11291 int res = result.get(); 11292 Slog.w(TAG, "handleApplicationStrictModeViolation; res=" + res); 11293 } 11294 } 11295 11296 // Depending on the policy in effect, there could be a bunch of 11297 // these in quick succession so we try to batch these together to 11298 // minimize disk writes, number of dropbox entries, and maximize 11299 // compression, by having more fewer, larger records. 11300 private void logStrictModeViolationToDropBox( 11301 ProcessRecord process, 11302 StrictMode.ViolationInfo info) { 11303 if (info == null) { 11304 return; 11305 } 11306 final boolean isSystemApp = process == null || 11307 (process.info.flags & (ApplicationInfo.FLAG_SYSTEM | 11308 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0; 11309 final String processName = process == null ? "unknown" : process.processName; 11310 final String dropboxTag = isSystemApp ? "system_app_strictmode" : "data_app_strictmode"; 11311 final DropBoxManager dbox = (DropBoxManager) 11312 mContext.getSystemService(Context.DROPBOX_SERVICE); 11313 11314 // Exit early if the dropbox isn't configured to accept this report type. 11315 if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; 11316 11317 boolean bufferWasEmpty; 11318 boolean needsFlush; 11319 final StringBuilder sb = isSystemApp ? mStrictModeBuffer : new StringBuilder(1024); 11320 synchronized (sb) { 11321 bufferWasEmpty = sb.length() == 0; 11322 appendDropBoxProcessHeaders(process, processName, sb); 11323 sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); 11324 sb.append("System-App: ").append(isSystemApp).append("\n"); 11325 sb.append("Uptime-Millis: ").append(info.violationUptimeMillis).append("\n"); 11326 if (info.violationNumThisLoop != 0) { 11327 sb.append("Loop-Violation-Number: ").append(info.violationNumThisLoop).append("\n"); 11328 } 11329 if (info.numAnimationsRunning != 0) { 11330 sb.append("Animations-Running: ").append(info.numAnimationsRunning).append("\n"); 11331 } 11332 if (info.broadcastIntentAction != null) { 11333 sb.append("Broadcast-Intent-Action: ").append(info.broadcastIntentAction).append("\n"); 11334 } 11335 if (info.durationMillis != -1) { 11336 sb.append("Duration-Millis: ").append(info.durationMillis).append("\n"); 11337 } 11338 if (info.numInstances != -1) { 11339 sb.append("Instance-Count: ").append(info.numInstances).append("\n"); 11340 } 11341 if (info.tags != null) { 11342 for (String tag : info.tags) { 11343 sb.append("Span-Tag: ").append(tag).append("\n"); 11344 } 11345 } 11346 sb.append("\n"); 11347 if (info.crashInfo != null && info.crashInfo.stackTrace != null) { 11348 sb.append(info.crashInfo.stackTrace); 11349 } 11350 sb.append("\n"); 11351 11352 // Only buffer up to ~64k. Various logging bits truncate 11353 // things at 128k. 11354 needsFlush = (sb.length() > 64 * 1024); 11355 } 11356 11357 // Flush immediately if the buffer's grown too large, or this 11358 // is a non-system app. Non-system apps are isolated with a 11359 // different tag & policy and not batched. 11360 // 11361 // Batching is useful during internal testing with 11362 // StrictMode settings turned up high. Without batching, 11363 // thousands of separate files could be created on boot. 11364 if (!isSystemApp || needsFlush) { 11365 new Thread("Error dump: " + dropboxTag) { 11366 @Override 11367 public void run() { 11368 String report; 11369 synchronized (sb) { 11370 report = sb.toString(); 11371 sb.delete(0, sb.length()); 11372 sb.trimToSize(); 11373 } 11374 if (report.length() != 0) { 11375 dbox.addText(dropboxTag, report); 11376 } 11377 } 11378 }.start(); 11379 return; 11380 } 11381 11382 // System app batching: 11383 if (!bufferWasEmpty) { 11384 // An existing dropbox-writing thread is outstanding, so 11385 // we don't need to start it up. The existing thread will 11386 // catch the buffer appends we just did. 11387 return; 11388 } 11389 11390 // Worker thread to both batch writes and to avoid blocking the caller on I/O. 11391 // (After this point, we shouldn't access AMS internal data structures.) 11392 new Thread("Error dump: " + dropboxTag) { 11393 @Override 11394 public void run() { 11395 // 5 second sleep to let stacks arrive and be batched together 11396 try { 11397 Thread.sleep(5000); // 5 seconds 11398 } catch (InterruptedException e) {} 11399 11400 String errorReport; 11401 synchronized (mStrictModeBuffer) { 11402 errorReport = mStrictModeBuffer.toString(); 11403 if (errorReport.length() == 0) { 11404 return; 11405 } 11406 mStrictModeBuffer.delete(0, mStrictModeBuffer.length()); 11407 mStrictModeBuffer.trimToSize(); 11408 } 11409 dbox.addText(dropboxTag, errorReport); 11410 } 11411 }.start(); 11412 } 11413 11414 /** 11415 * Used by {@link Log} via {@link com.android.internal.os.RuntimeInit} to report serious errors. 11416 * @param app object of the crashing app, null for the system server 11417 * @param tag reported by the caller 11418 * @param system whether this wtf is coming from the system 11419 * @param crashInfo describing the context of the error 11420 * @return true if the process should exit immediately (WTF is fatal) 11421 */ 11422 public boolean handleApplicationWtf(IBinder app, final String tag, boolean system, 11423 final ApplicationErrorReport.CrashInfo crashInfo) { 11424 final ProcessRecord r = findAppProcess(app, "WTF"); 11425 final String processName = app == null ? "system_server" 11426 : (r == null ? "unknown" : r.processName); 11427 11428 EventLog.writeEvent(EventLogTags.AM_WTF, 11429 UserHandle.getUserId(Binder.getCallingUid()), Binder.getCallingPid(), 11430 processName, 11431 r == null ? -1 : r.info.flags, 11432 tag, crashInfo.exceptionMessage); 11433 11434 if (system) { 11435 // If this is coming from the system, we could very well have low-level 11436 // system locks held, so we want to do this all asynchronously. And we 11437 // never want this to become fatal, so there is that too. 11438 mHandler.post(new Runnable() { 11439 @Override public void run() { 11440 addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, 11441 crashInfo); 11442 } 11443 }); 11444 return false; 11445 } 11446 11447 addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, crashInfo); 11448 11449 if (r != null && r.pid != Process.myPid() && 11450 Settings.Global.getInt(mContext.getContentResolver(), 11451 Settings.Global.WTF_IS_FATAL, 0) != 0) { 11452 crashApplication(r, crashInfo); 11453 return true; 11454 } else { 11455 return false; 11456 } 11457 } 11458 11459 /** 11460 * @param app object of some object (as stored in {@link com.android.internal.os.RuntimeInit}) 11461 * @return the corresponding {@link ProcessRecord} object, or null if none could be found 11462 */ 11463 private ProcessRecord findAppProcess(IBinder app, String reason) { 11464 if (app == null) { 11465 return null; 11466 } 11467 11468 synchronized (this) { 11469 final int NP = mProcessNames.getMap().size(); 11470 for (int ip=0; ip<NP; ip++) { 11471 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 11472 final int NA = apps.size(); 11473 for (int ia=0; ia<NA; ia++) { 11474 ProcessRecord p = apps.valueAt(ia); 11475 if (p.thread != null && p.thread.asBinder() == app) { 11476 return p; 11477 } 11478 } 11479 } 11480 11481 Slog.w(TAG, "Can't find mystery application for " + reason 11482 + " from pid=" + Binder.getCallingPid() 11483 + " uid=" + Binder.getCallingUid() + ": " + app); 11484 return null; 11485 } 11486 } 11487 11488 /** 11489 * Utility function for addErrorToDropBox and handleStrictModeViolation's logging 11490 * to append various headers to the dropbox log text. 11491 */ 11492 private void appendDropBoxProcessHeaders(ProcessRecord process, String processName, 11493 StringBuilder sb) { 11494 // Watchdog thread ends up invoking this function (with 11495 // a null ProcessRecord) to add the stack file to dropbox. 11496 // Do not acquire a lock on this (am) in such cases, as it 11497 // could cause a potential deadlock, if and when watchdog 11498 // is invoked due to unavailability of lock on am and it 11499 // would prevent watchdog from killing system_server. 11500 if (process == null) { 11501 sb.append("Process: ").append(processName).append("\n"); 11502 return; 11503 } 11504 // Note: ProcessRecord 'process' is guarded by the service 11505 // instance. (notably process.pkgList, which could otherwise change 11506 // concurrently during execution of this method) 11507 synchronized (this) { 11508 sb.append("Process: ").append(processName).append("\n"); 11509 int flags = process.info.flags; 11510 IPackageManager pm = AppGlobals.getPackageManager(); 11511 sb.append("Flags: 0x").append(Integer.toString(flags, 16)).append("\n"); 11512 for (int ip=0; ip<process.pkgList.size(); ip++) { 11513 String pkg = process.pkgList.keyAt(ip); 11514 sb.append("Package: ").append(pkg); 11515 try { 11516 PackageInfo pi = pm.getPackageInfo(pkg, 0, UserHandle.getCallingUserId()); 11517 if (pi != null) { 11518 sb.append(" v").append(pi.versionCode); 11519 if (pi.versionName != null) { 11520 sb.append(" (").append(pi.versionName).append(")"); 11521 } 11522 } 11523 } catch (RemoteException e) { 11524 Slog.e(TAG, "Error getting package info: " + pkg, e); 11525 } 11526 sb.append("\n"); 11527 } 11528 } 11529 } 11530 11531 private static String processClass(ProcessRecord process) { 11532 if (process == null || process.pid == MY_PID) { 11533 return "system_server"; 11534 } else if ((process.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11535 return "system_app"; 11536 } else { 11537 return "data_app"; 11538 } 11539 } 11540 11541 /** 11542 * Write a description of an error (crash, WTF, ANR) to the drop box. 11543 * @param eventType to include in the drop box tag ("crash", "wtf", etc.) 11544 * @param process which caused the error, null means the system server 11545 * @param activity which triggered the error, null if unknown 11546 * @param parent activity related to the error, null if unknown 11547 * @param subject line related to the error, null if absent 11548 * @param report in long form describing the error, null if absent 11549 * @param logFile to include in the report, null if none 11550 * @param crashInfo giving an application stack trace, null if absent 11551 */ 11552 public void addErrorToDropBox(String eventType, 11553 ProcessRecord process, String processName, ActivityRecord activity, 11554 ActivityRecord parent, String subject, 11555 final String report, final File logFile, 11556 final ApplicationErrorReport.CrashInfo crashInfo) { 11557 // NOTE -- this must never acquire the ActivityManagerService lock, 11558 // otherwise the watchdog may be prevented from resetting the system. 11559 11560 final String dropboxTag = processClass(process) + "_" + eventType; 11561 final DropBoxManager dbox = (DropBoxManager) 11562 mContext.getSystemService(Context.DROPBOX_SERVICE); 11563 11564 // Exit early if the dropbox isn't configured to accept this report type. 11565 if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; 11566 11567 final StringBuilder sb = new StringBuilder(1024); 11568 appendDropBoxProcessHeaders(process, processName, sb); 11569 if (activity != null) { 11570 sb.append("Activity: ").append(activity.shortComponentName).append("\n"); 11571 } 11572 if (parent != null && parent.app != null && parent.app.pid != process.pid) { 11573 sb.append("Parent-Process: ").append(parent.app.processName).append("\n"); 11574 } 11575 if (parent != null && parent != activity) { 11576 sb.append("Parent-Activity: ").append(parent.shortComponentName).append("\n"); 11577 } 11578 if (subject != null) { 11579 sb.append("Subject: ").append(subject).append("\n"); 11580 } 11581 sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); 11582 if (Debug.isDebuggerConnected()) { 11583 sb.append("Debugger: Connected\n"); 11584 } 11585 sb.append("\n"); 11586 11587 // Do the rest in a worker thread to avoid blocking the caller on I/O 11588 // (After this point, we shouldn't access AMS internal data structures.) 11589 Thread worker = new Thread("Error dump: " + dropboxTag) { 11590 @Override 11591 public void run() { 11592 if (report != null) { 11593 sb.append(report); 11594 } 11595 if (logFile != null) { 11596 try { 11597 sb.append(FileUtils.readTextFile(logFile, DROPBOX_MAX_SIZE, 11598 "\n\n[[TRUNCATED]]")); 11599 } catch (IOException e) { 11600 Slog.e(TAG, "Error reading " + logFile, e); 11601 } 11602 } 11603 if (crashInfo != null && crashInfo.stackTrace != null) { 11604 sb.append(crashInfo.stackTrace); 11605 } 11606 11607 String setting = Settings.Global.ERROR_LOGCAT_PREFIX + dropboxTag; 11608 int lines = Settings.Global.getInt(mContext.getContentResolver(), setting, 0); 11609 if (lines > 0) { 11610 sb.append("\n"); 11611 11612 // Merge several logcat streams, and take the last N lines 11613 InputStreamReader input = null; 11614 try { 11615 java.lang.Process logcat = new ProcessBuilder("/system/bin/logcat", 11616 "-v", "time", "-b", "events", "-b", "system", "-b", "main", 11617 "-b", "crash", 11618 "-t", String.valueOf(lines)).redirectErrorStream(true).start(); 11619 11620 try { logcat.getOutputStream().close(); } catch (IOException e) {} 11621 try { logcat.getErrorStream().close(); } catch (IOException e) {} 11622 input = new InputStreamReader(logcat.getInputStream()); 11623 11624 int num; 11625 char[] buf = new char[8192]; 11626 while ((num = input.read(buf)) > 0) sb.append(buf, 0, num); 11627 } catch (IOException e) { 11628 Slog.e(TAG, "Error running logcat", e); 11629 } finally { 11630 if (input != null) try { input.close(); } catch (IOException e) {} 11631 } 11632 } 11633 11634 dbox.addText(dropboxTag, sb.toString()); 11635 } 11636 }; 11637 11638 if (process == null) { 11639 // If process is null, we are being called from some internal code 11640 // and may be about to die -- run this synchronously. 11641 worker.run(); 11642 } else { 11643 worker.start(); 11644 } 11645 } 11646 11647 /** 11648 * Bring up the "unexpected error" dialog box for a crashing app. 11649 * Deal with edge cases (intercepts from instrumented applications, 11650 * ActivityController, error intent receivers, that sort of thing). 11651 * @param r the application crashing 11652 * @param crashInfo describing the failure 11653 */ 11654 private void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) { 11655 long timeMillis = System.currentTimeMillis(); 11656 String shortMsg = crashInfo.exceptionClassName; 11657 String longMsg = crashInfo.exceptionMessage; 11658 String stackTrace = crashInfo.stackTrace; 11659 if (shortMsg != null && longMsg != null) { 11660 longMsg = shortMsg + ": " + longMsg; 11661 } else if (shortMsg != null) { 11662 longMsg = shortMsg; 11663 } 11664 11665 AppErrorResult result = new AppErrorResult(); 11666 synchronized (this) { 11667 if (mController != null) { 11668 try { 11669 String name = r != null ? r.processName : null; 11670 int pid = r != null ? r.pid : Binder.getCallingPid(); 11671 int uid = r != null ? r.info.uid : Binder.getCallingUid(); 11672 if (!mController.appCrashed(name, pid, 11673 shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) { 11674 if ("1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")) 11675 && "Native crash".equals(crashInfo.exceptionClassName)) { 11676 Slog.w(TAG, "Skip killing native crashed app " + name 11677 + "(" + pid + ") during testing"); 11678 } else { 11679 Slog.w(TAG, "Force-killing crashed app " + name 11680 + " at watcher's request"); 11681 if (r != null) { 11682 r.kill("crash", true); 11683 } else { 11684 // Huh. 11685 Process.killProcess(pid); 11686 Process.killProcessGroup(uid, pid); 11687 } 11688 } 11689 return; 11690 } 11691 } catch (RemoteException e) { 11692 mController = null; 11693 Watchdog.getInstance().setActivityController(null); 11694 } 11695 } 11696 11697 final long origId = Binder.clearCallingIdentity(); 11698 11699 // If this process is running instrumentation, finish it. 11700 if (r != null && r.instrumentationClass != null) { 11701 Slog.w(TAG, "Error in app " + r.processName 11702 + " running instrumentation " + r.instrumentationClass + ":"); 11703 if (shortMsg != null) Slog.w(TAG, " " + shortMsg); 11704 if (longMsg != null) Slog.w(TAG, " " + longMsg); 11705 Bundle info = new Bundle(); 11706 info.putString("shortMsg", shortMsg); 11707 info.putString("longMsg", longMsg); 11708 finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info); 11709 Binder.restoreCallingIdentity(origId); 11710 return; 11711 } 11712 11713 // If we can't identify the process or it's already exceeded its crash quota, 11714 // quit right away without showing a crash dialog. 11715 if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace)) { 11716 Binder.restoreCallingIdentity(origId); 11717 return; 11718 } 11719 11720 Message msg = Message.obtain(); 11721 msg.what = SHOW_ERROR_MSG; 11722 HashMap data = new HashMap(); 11723 data.put("result", result); 11724 data.put("app", r); 11725 msg.obj = data; 11726 mHandler.sendMessage(msg); 11727 11728 Binder.restoreCallingIdentity(origId); 11729 } 11730 11731 int res = result.get(); 11732 11733 Intent appErrorIntent = null; 11734 synchronized (this) { 11735 if (r != null && !r.isolated) { 11736 // XXX Can't keep track of crash time for isolated processes, 11737 // since they don't have a persistent identity. 11738 mProcessCrashTimes.put(r.info.processName, r.uid, 11739 SystemClock.uptimeMillis()); 11740 } 11741 if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) { 11742 appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo); 11743 } 11744 } 11745 11746 if (appErrorIntent != null) { 11747 try { 11748 mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId)); 11749 } catch (ActivityNotFoundException e) { 11750 Slog.w(TAG, "bug report receiver dissappeared", e); 11751 } 11752 } 11753 } 11754 11755 Intent createAppErrorIntentLocked(ProcessRecord r, 11756 long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { 11757 ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo); 11758 if (report == null) { 11759 return null; 11760 } 11761 Intent result = new Intent(Intent.ACTION_APP_ERROR); 11762 result.setComponent(r.errorReportReceiver); 11763 result.putExtra(Intent.EXTRA_BUG_REPORT, report); 11764 result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 11765 return result; 11766 } 11767 11768 private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r, 11769 long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { 11770 if (r.errorReportReceiver == null) { 11771 return null; 11772 } 11773 11774 if (!r.crashing && !r.notResponding && !r.forceCrashReport) { 11775 return null; 11776 } 11777 11778 ApplicationErrorReport report = new ApplicationErrorReport(); 11779 report.packageName = r.info.packageName; 11780 report.installerPackageName = r.errorReportReceiver.getPackageName(); 11781 report.processName = r.processName; 11782 report.time = timeMillis; 11783 report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 11784 11785 if (r.crashing || r.forceCrashReport) { 11786 report.type = ApplicationErrorReport.TYPE_CRASH; 11787 report.crashInfo = crashInfo; 11788 } else if (r.notResponding) { 11789 report.type = ApplicationErrorReport.TYPE_ANR; 11790 report.anrInfo = new ApplicationErrorReport.AnrInfo(); 11791 11792 report.anrInfo.activity = r.notRespondingReport.tag; 11793 report.anrInfo.cause = r.notRespondingReport.shortMsg; 11794 report.anrInfo.info = r.notRespondingReport.longMsg; 11795 } 11796 11797 return report; 11798 } 11799 11800 public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState() { 11801 enforceNotIsolatedCaller("getProcessesInErrorState"); 11802 // assume our apps are happy - lazy create the list 11803 List<ActivityManager.ProcessErrorStateInfo> errList = null; 11804 11805 final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, 11806 Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; 11807 int userId = UserHandle.getUserId(Binder.getCallingUid()); 11808 11809 synchronized (this) { 11810 11811 // iterate across all processes 11812 for (int i=mLruProcesses.size()-1; i>=0; i--) { 11813 ProcessRecord app = mLruProcesses.get(i); 11814 if (!allUsers && app.userId != userId) { 11815 continue; 11816 } 11817 if ((app.thread != null) && (app.crashing || app.notResponding)) { 11818 // This one's in trouble, so we'll generate a report for it 11819 // crashes are higher priority (in case there's a crash *and* an anr) 11820 ActivityManager.ProcessErrorStateInfo report = null; 11821 if (app.crashing) { 11822 report = app.crashingReport; 11823 } else if (app.notResponding) { 11824 report = app.notRespondingReport; 11825 } 11826 11827 if (report != null) { 11828 if (errList == null) { 11829 errList = new ArrayList<ActivityManager.ProcessErrorStateInfo>(1); 11830 } 11831 errList.add(report); 11832 } else { 11833 Slog.w(TAG, "Missing app error report, app = " + app.processName + 11834 " crashing = " + app.crashing + 11835 " notResponding = " + app.notResponding); 11836 } 11837 } 11838 } 11839 } 11840 11841 return errList; 11842 } 11843 11844 static int procStateToImportance(int procState, int memAdj, 11845 ActivityManager.RunningAppProcessInfo currApp) { 11846 int imp = ActivityManager.RunningAppProcessInfo.procStateToImportance(procState); 11847 if (imp == ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) { 11848 currApp.lru = memAdj; 11849 } else { 11850 currApp.lru = 0; 11851 } 11852 return imp; 11853 } 11854 11855 private void fillInProcMemInfo(ProcessRecord app, 11856 ActivityManager.RunningAppProcessInfo outInfo) { 11857 outInfo.pid = app.pid; 11858 outInfo.uid = app.info.uid; 11859 if (mHeavyWeightProcess == app) { 11860 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE; 11861 } 11862 if (app.persistent) { 11863 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT; 11864 } 11865 if (app.activities.size() > 0) { 11866 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HAS_ACTIVITIES; 11867 } 11868 outInfo.lastTrimLevel = app.trimMemoryLevel; 11869 int adj = app.curAdj; 11870 int procState = app.curProcState; 11871 outInfo.importance = procStateToImportance(procState, adj, outInfo); 11872 outInfo.importanceReasonCode = app.adjTypeCode; 11873 outInfo.processState = app.curProcState; 11874 } 11875 11876 public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() { 11877 enforceNotIsolatedCaller("getRunningAppProcesses"); 11878 // Lazy instantiation of list 11879 List<ActivityManager.RunningAppProcessInfo> runList = null; 11880 final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, 11881 Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; 11882 int userId = UserHandle.getUserId(Binder.getCallingUid()); 11883 synchronized (this) { 11884 // Iterate across all processes 11885 for (int i=mLruProcesses.size()-1; i>=0; i--) { 11886 ProcessRecord app = mLruProcesses.get(i); 11887 if (!allUsers && app.userId != userId) { 11888 continue; 11889 } 11890 if ((app.thread != null) && (!app.crashing && !app.notResponding)) { 11891 // Generate process state info for running application 11892 ActivityManager.RunningAppProcessInfo currApp = 11893 new ActivityManager.RunningAppProcessInfo(app.processName, 11894 app.pid, app.getPackageList()); 11895 fillInProcMemInfo(app, currApp); 11896 if (app.adjSource instanceof ProcessRecord) { 11897 currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid; 11898 currApp.importanceReasonImportance = 11899 ActivityManager.RunningAppProcessInfo.procStateToImportance( 11900 app.adjSourceProcState); 11901 } else if (app.adjSource instanceof ActivityRecord) { 11902 ActivityRecord r = (ActivityRecord)app.adjSource; 11903 if (r.app != null) currApp.importanceReasonPid = r.app.pid; 11904 } 11905 if (app.adjTarget instanceof ComponentName) { 11906 currApp.importanceReasonComponent = (ComponentName)app.adjTarget; 11907 } 11908 //Slog.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance 11909 // + " lru=" + currApp.lru); 11910 if (runList == null) { 11911 runList = new ArrayList<ActivityManager.RunningAppProcessInfo>(); 11912 } 11913 runList.add(currApp); 11914 } 11915 } 11916 } 11917 return runList; 11918 } 11919 11920 public List<ApplicationInfo> getRunningExternalApplications() { 11921 enforceNotIsolatedCaller("getRunningExternalApplications"); 11922 List<ActivityManager.RunningAppProcessInfo> runningApps = getRunningAppProcesses(); 11923 List<ApplicationInfo> retList = new ArrayList<ApplicationInfo>(); 11924 if (runningApps != null && runningApps.size() > 0) { 11925 Set<String> extList = new HashSet<String>(); 11926 for (ActivityManager.RunningAppProcessInfo app : runningApps) { 11927 if (app.pkgList != null) { 11928 for (String pkg : app.pkgList) { 11929 extList.add(pkg); 11930 } 11931 } 11932 } 11933 IPackageManager pm = AppGlobals.getPackageManager(); 11934 for (String pkg : extList) { 11935 try { 11936 ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserHandle.getCallingUserId()); 11937 if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { 11938 retList.add(info); 11939 } 11940 } catch (RemoteException e) { 11941 } 11942 } 11943 } 11944 return retList; 11945 } 11946 11947 @Override 11948 public void getMyMemoryState(ActivityManager.RunningAppProcessInfo outInfo) { 11949 enforceNotIsolatedCaller("getMyMemoryState"); 11950 synchronized (this) { 11951 ProcessRecord proc; 11952 synchronized (mPidsSelfLocked) { 11953 proc = mPidsSelfLocked.get(Binder.getCallingPid()); 11954 } 11955 fillInProcMemInfo(proc, outInfo); 11956 } 11957 } 11958 11959 @Override 11960 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11961 if (checkCallingPermission(android.Manifest.permission.DUMP) 11962 != PackageManager.PERMISSION_GRANTED) { 11963 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11964 + Binder.getCallingPid() 11965 + ", uid=" + Binder.getCallingUid() 11966 + " without permission " 11967 + android.Manifest.permission.DUMP); 11968 return; 11969 } 11970 11971 boolean dumpAll = false; 11972 boolean dumpClient = false; 11973 String dumpPackage = null; 11974 11975 int opti = 0; 11976 while (opti < args.length) { 11977 String opt = args[opti]; 11978 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11979 break; 11980 } 11981 opti++; 11982 if ("-a".equals(opt)) { 11983 dumpAll = true; 11984 } else if ("-c".equals(opt)) { 11985 dumpClient = true; 11986 } else if ("-h".equals(opt)) { 11987 pw.println("Activity manager dump options:"); 11988 pw.println(" [-a] [-c] [-h] [cmd] ..."); 11989 pw.println(" cmd may be one of:"); 11990 pw.println(" a[ctivities]: activity stack state"); 11991 pw.println(" r[recents]: recent activities state"); 11992 pw.println(" b[roadcasts] [PACKAGE_NAME] [history [-s]]: broadcast state"); 11993 pw.println(" i[ntents] [PACKAGE_NAME]: pending intent state"); 11994 pw.println(" p[rocesses] [PACKAGE_NAME]: process state"); 11995 pw.println(" o[om]: out of memory management"); 11996 pw.println(" prov[iders] [COMP_SPEC ...]: content provider state"); 11997 pw.println(" provider [COMP_SPEC]: provider client-side state"); 11998 pw.println(" s[ervices] [COMP_SPEC ...]: service state"); 11999 pw.println(" service [COMP_SPEC]: service client-side state"); 12000 pw.println(" package [PACKAGE_NAME]: all state related to given package"); 12001 pw.println(" all: dump all activities"); 12002 pw.println(" top: dump the top activity"); 12003 pw.println(" cmd may also be a COMP_SPEC to dump activities."); 12004 pw.println(" COMP_SPEC may be a component name (com.foo/.myApp),"); 12005 pw.println(" a partial substring in a component name, a"); 12006 pw.println(" hex object identifier."); 12007 pw.println(" -a: include all available server state."); 12008 pw.println(" -c: include client state."); 12009 return; 12010 } else { 12011 pw.println("Unknown argument: " + opt + "; use -h for help"); 12012 } 12013 } 12014 12015 long origId = Binder.clearCallingIdentity(); 12016 boolean more = false; 12017 // Is the caller requesting to dump a particular piece of data? 12018 if (opti < args.length) { 12019 String cmd = args[opti]; 12020 opti++; 12021 if ("activities".equals(cmd) || "a".equals(cmd)) { 12022 synchronized (this) { 12023 dumpActivitiesLocked(fd, pw, args, opti, true, dumpClient, null); 12024 } 12025 } else if ("recents".equals(cmd) || "r".equals(cmd)) { 12026 synchronized (this) { 12027 dumpRecentsLocked(fd, pw, args, opti, true, null); 12028 } 12029 } else if ("broadcasts".equals(cmd) || "b".equals(cmd)) { 12030 String[] newArgs; 12031 String name; 12032 if (opti >= args.length) { 12033 name = null; 12034 newArgs = EMPTY_STRING_ARRAY; 12035 } else { 12036 name = args[opti]; 12037 opti++; 12038 newArgs = new String[args.length - opti]; 12039 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12040 args.length - opti); 12041 } 12042 synchronized (this) { 12043 dumpBroadcastsLocked(fd, pw, args, opti, true, name); 12044 } 12045 } else if ("intents".equals(cmd) || "i".equals(cmd)) { 12046 String[] newArgs; 12047 String name; 12048 if (opti >= args.length) { 12049 name = null; 12050 newArgs = EMPTY_STRING_ARRAY; 12051 } else { 12052 name = args[opti]; 12053 opti++; 12054 newArgs = new String[args.length - opti]; 12055 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12056 args.length - opti); 12057 } 12058 synchronized (this) { 12059 dumpPendingIntentsLocked(fd, pw, args, opti, true, name); 12060 } 12061 } else if ("processes".equals(cmd) || "p".equals(cmd)) { 12062 String[] newArgs; 12063 String name; 12064 if (opti >= args.length) { 12065 name = null; 12066 newArgs = EMPTY_STRING_ARRAY; 12067 } else { 12068 name = args[opti]; 12069 opti++; 12070 newArgs = new String[args.length - opti]; 12071 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12072 args.length - opti); 12073 } 12074 synchronized (this) { 12075 dumpProcessesLocked(fd, pw, args, opti, true, name); 12076 } 12077 } else if ("oom".equals(cmd) || "o".equals(cmd)) { 12078 synchronized (this) { 12079 dumpOomLocked(fd, pw, args, opti, true); 12080 } 12081 } else if ("provider".equals(cmd)) { 12082 String[] newArgs; 12083 String name; 12084 if (opti >= args.length) { 12085 name = null; 12086 newArgs = EMPTY_STRING_ARRAY; 12087 } else { 12088 name = args[opti]; 12089 opti++; 12090 newArgs = new String[args.length - opti]; 12091 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, args.length - opti); 12092 } 12093 if (!dumpProvider(fd, pw, name, newArgs, 0, dumpAll)) { 12094 pw.println("No providers match: " + name); 12095 pw.println("Use -h for help."); 12096 } 12097 } else if ("providers".equals(cmd) || "prov".equals(cmd)) { 12098 synchronized (this) { 12099 dumpProvidersLocked(fd, pw, args, opti, true, null); 12100 } 12101 } else if ("service".equals(cmd)) { 12102 String[] newArgs; 12103 String name; 12104 if (opti >= args.length) { 12105 name = null; 12106 newArgs = EMPTY_STRING_ARRAY; 12107 } else { 12108 name = args[opti]; 12109 opti++; 12110 newArgs = new String[args.length - opti]; 12111 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12112 args.length - opti); 12113 } 12114 if (!mServices.dumpService(fd, pw, name, newArgs, 0, dumpAll)) { 12115 pw.println("No services match: " + name); 12116 pw.println("Use -h for help."); 12117 } 12118 } else if ("package".equals(cmd)) { 12119 String[] newArgs; 12120 if (opti >= args.length) { 12121 pw.println("package: no package name specified"); 12122 pw.println("Use -h for help."); 12123 } else { 12124 dumpPackage = args[opti]; 12125 opti++; 12126 newArgs = new String[args.length - opti]; 12127 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 12128 args.length - opti); 12129 args = newArgs; 12130 opti = 0; 12131 more = true; 12132 } 12133 } else if ("services".equals(cmd) || "s".equals(cmd)) { 12134 synchronized (this) { 12135 mServices.dumpServicesLocked(fd, pw, args, opti, true, dumpClient, null); 12136 } 12137 } else { 12138 // Dumping a single activity? 12139 if (!dumpActivity(fd, pw, cmd, args, opti, dumpAll)) { 12140 pw.println("Bad activity command, or no activities match: " + cmd); 12141 pw.println("Use -h for help."); 12142 } 12143 } 12144 if (!more) { 12145 Binder.restoreCallingIdentity(origId); 12146 return; 12147 } 12148 } 12149 12150 // No piece of data specified, dump everything. 12151 synchronized (this) { 12152 dumpPendingIntentsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12153 pw.println(); 12154 if (dumpAll) { 12155 pw.println("-------------------------------------------------------------------------------"); 12156 } 12157 dumpBroadcastsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12158 pw.println(); 12159 if (dumpAll) { 12160 pw.println("-------------------------------------------------------------------------------"); 12161 } 12162 dumpProvidersLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12163 pw.println(); 12164 if (dumpAll) { 12165 pw.println("-------------------------------------------------------------------------------"); 12166 } 12167 mServices.dumpServicesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); 12168 pw.println(); 12169 if (dumpAll) { 12170 pw.println("-------------------------------------------------------------------------------"); 12171 } 12172 dumpRecentsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12173 pw.println(); 12174 if (dumpAll) { 12175 pw.println("-------------------------------------------------------------------------------"); 12176 } 12177 dumpActivitiesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); 12178 pw.println(); 12179 if (dumpAll) { 12180 pw.println("-------------------------------------------------------------------------------"); 12181 } 12182 dumpProcessesLocked(fd, pw, args, opti, dumpAll, dumpPackage); 12183 } 12184 Binder.restoreCallingIdentity(origId); 12185 } 12186 12187 void dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12188 int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) { 12189 pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)"); 12190 12191 boolean printedAnything = mStackSupervisor.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, 12192 dumpPackage); 12193 boolean needSep = printedAnything; 12194 12195 boolean printed = ActivityStackSupervisor.printThisActivity(pw, mFocusedActivity, 12196 dumpPackage, needSep, " mFocusedActivity: "); 12197 if (printed) { 12198 printedAnything = true; 12199 needSep = false; 12200 } 12201 12202 if (dumpPackage == null) { 12203 if (needSep) { 12204 pw.println(); 12205 } 12206 needSep = true; 12207 printedAnything = true; 12208 mStackSupervisor.dump(pw, " "); 12209 } 12210 12211 if (!printedAnything) { 12212 pw.println(" (nothing)"); 12213 } 12214 } 12215 12216 void dumpRecentsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12217 int opti, boolean dumpAll, String dumpPackage) { 12218 pw.println("ACTIVITY MANAGER RECENT ACTIVITIES (dumpsys activity recents)"); 12219 12220 boolean printedAnything = false; 12221 12222 if (mRecentTasks.size() > 0) { 12223 boolean printedHeader = false; 12224 12225 final int N = mRecentTasks.size(); 12226 for (int i=0; i<N; i++) { 12227 TaskRecord tr = mRecentTasks.get(i); 12228 if (dumpPackage != null) { 12229 if (tr.realActivity == null || 12230 !dumpPackage.equals(tr.realActivity)) { 12231 continue; 12232 } 12233 } 12234 if (!printedHeader) { 12235 pw.println(" Recent tasks:"); 12236 printedHeader = true; 12237 printedAnything = true; 12238 } 12239 pw.print(" * Recent #"); pw.print(i); pw.print(": "); 12240 pw.println(tr); 12241 if (dumpAll) { 12242 mRecentTasks.get(i).dump(pw, " "); 12243 } 12244 } 12245 } 12246 12247 if (!printedAnything) { 12248 pw.println(" (nothing)"); 12249 } 12250 } 12251 12252 void dumpProcessesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12253 int opti, boolean dumpAll, String dumpPackage) { 12254 boolean needSep = false; 12255 boolean printedAnything = false; 12256 int numPers = 0; 12257 12258 pw.println("ACTIVITY MANAGER RUNNING PROCESSES (dumpsys activity processes)"); 12259 12260 if (dumpAll) { 12261 final int NP = mProcessNames.getMap().size(); 12262 for (int ip=0; ip<NP; ip++) { 12263 SparseArray<ProcessRecord> procs = mProcessNames.getMap().valueAt(ip); 12264 final int NA = procs.size(); 12265 for (int ia=0; ia<NA; ia++) { 12266 ProcessRecord r = procs.valueAt(ia); 12267 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12268 continue; 12269 } 12270 if (!needSep) { 12271 pw.println(" All known processes:"); 12272 needSep = true; 12273 printedAnything = true; 12274 } 12275 pw.print(r.persistent ? " *PERS*" : " *APP*"); 12276 pw.print(" UID "); pw.print(procs.keyAt(ia)); 12277 pw.print(" "); pw.println(r); 12278 r.dump(pw, " "); 12279 if (r.persistent) { 12280 numPers++; 12281 } 12282 } 12283 } 12284 } 12285 12286 if (mIsolatedProcesses.size() > 0) { 12287 boolean printed = false; 12288 for (int i=0; i<mIsolatedProcesses.size(); i++) { 12289 ProcessRecord r = mIsolatedProcesses.valueAt(i); 12290 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12291 continue; 12292 } 12293 if (!printed) { 12294 if (needSep) { 12295 pw.println(); 12296 } 12297 pw.println(" Isolated process list (sorted by uid):"); 12298 printedAnything = true; 12299 printed = true; 12300 needSep = true; 12301 } 12302 pw.println(String.format("%sIsolated #%2d: %s", 12303 " ", i, r.toString())); 12304 } 12305 } 12306 12307 if (mLruProcesses.size() > 0) { 12308 if (needSep) { 12309 pw.println(); 12310 } 12311 pw.print(" Process LRU list (sorted by oom_adj, "); pw.print(mLruProcesses.size()); 12312 pw.print(" total, non-act at "); 12313 pw.print(mLruProcesses.size()-mLruProcessActivityStart); 12314 pw.print(", non-svc at "); 12315 pw.print(mLruProcesses.size()-mLruProcessServiceStart); 12316 pw.println("):"); 12317 dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", false, dumpPackage); 12318 needSep = true; 12319 printedAnything = true; 12320 } 12321 12322 if (dumpAll || dumpPackage != null) { 12323 synchronized (mPidsSelfLocked) { 12324 boolean printed = false; 12325 for (int i=0; i<mPidsSelfLocked.size(); i++) { 12326 ProcessRecord r = mPidsSelfLocked.valueAt(i); 12327 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12328 continue; 12329 } 12330 if (!printed) { 12331 if (needSep) pw.println(); 12332 needSep = true; 12333 pw.println(" PID mappings:"); 12334 printed = true; 12335 printedAnything = true; 12336 } 12337 pw.print(" PID #"); pw.print(mPidsSelfLocked.keyAt(i)); 12338 pw.print(": "); pw.println(mPidsSelfLocked.valueAt(i)); 12339 } 12340 } 12341 } 12342 12343 if (mForegroundProcesses.size() > 0) { 12344 synchronized (mPidsSelfLocked) { 12345 boolean printed = false; 12346 for (int i=0; i<mForegroundProcesses.size(); i++) { 12347 ProcessRecord r = mPidsSelfLocked.get( 12348 mForegroundProcesses.valueAt(i).pid); 12349 if (dumpPackage != null && (r == null 12350 || !r.pkgList.containsKey(dumpPackage))) { 12351 continue; 12352 } 12353 if (!printed) { 12354 if (needSep) pw.println(); 12355 needSep = true; 12356 pw.println(" Foreground Processes:"); 12357 printed = true; 12358 printedAnything = true; 12359 } 12360 pw.print(" PID #"); pw.print(mForegroundProcesses.keyAt(i)); 12361 pw.print(": "); pw.println(mForegroundProcesses.valueAt(i)); 12362 } 12363 } 12364 } 12365 12366 if (mPersistentStartingProcesses.size() > 0) { 12367 if (needSep) pw.println(); 12368 needSep = true; 12369 printedAnything = true; 12370 pw.println(" Persisent processes that are starting:"); 12371 dumpProcessList(pw, this, mPersistentStartingProcesses, " ", 12372 "Starting Norm", "Restarting PERS", dumpPackage); 12373 } 12374 12375 if (mRemovedProcesses.size() > 0) { 12376 if (needSep) pw.println(); 12377 needSep = true; 12378 printedAnything = true; 12379 pw.println(" Processes that are being removed:"); 12380 dumpProcessList(pw, this, mRemovedProcesses, " ", 12381 "Removed Norm", "Removed PERS", dumpPackage); 12382 } 12383 12384 if (mProcessesOnHold.size() > 0) { 12385 if (needSep) pw.println(); 12386 needSep = true; 12387 printedAnything = true; 12388 pw.println(" Processes that are on old until the system is ready:"); 12389 dumpProcessList(pw, this, mProcessesOnHold, " ", 12390 "OnHold Norm", "OnHold PERS", dumpPackage); 12391 } 12392 12393 needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, dumpPackage); 12394 12395 if (mProcessCrashTimes.getMap().size() > 0) { 12396 boolean printed = false; 12397 long now = SystemClock.uptimeMillis(); 12398 final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap(); 12399 final int NP = pmap.size(); 12400 for (int ip=0; ip<NP; ip++) { 12401 String pname = pmap.keyAt(ip); 12402 SparseArray<Long> uids = pmap.valueAt(ip); 12403 final int N = uids.size(); 12404 for (int i=0; i<N; i++) { 12405 int puid = uids.keyAt(i); 12406 ProcessRecord r = mProcessNames.get(pname, puid); 12407 if (dumpPackage != null && (r == null 12408 || !r.pkgList.containsKey(dumpPackage))) { 12409 continue; 12410 } 12411 if (!printed) { 12412 if (needSep) pw.println(); 12413 needSep = true; 12414 pw.println(" Time since processes crashed:"); 12415 printed = true; 12416 printedAnything = true; 12417 } 12418 pw.print(" Process "); pw.print(pname); 12419 pw.print(" uid "); pw.print(puid); 12420 pw.print(": last crashed "); 12421 TimeUtils.formatDuration(now-uids.valueAt(i), pw); 12422 pw.println(" ago"); 12423 } 12424 } 12425 } 12426 12427 if (mBadProcesses.getMap().size() > 0) { 12428 boolean printed = false; 12429 final ArrayMap<String, SparseArray<BadProcessInfo>> pmap = mBadProcesses.getMap(); 12430 final int NP = pmap.size(); 12431 for (int ip=0; ip<NP; ip++) { 12432 String pname = pmap.keyAt(ip); 12433 SparseArray<BadProcessInfo> uids = pmap.valueAt(ip); 12434 final int N = uids.size(); 12435 for (int i=0; i<N; i++) { 12436 int puid = uids.keyAt(i); 12437 ProcessRecord r = mProcessNames.get(pname, puid); 12438 if (dumpPackage != null && (r == null 12439 || !r.pkgList.containsKey(dumpPackage))) { 12440 continue; 12441 } 12442 if (!printed) { 12443 if (needSep) pw.println(); 12444 needSep = true; 12445 pw.println(" Bad processes:"); 12446 printedAnything = true; 12447 } 12448 BadProcessInfo info = uids.valueAt(i); 12449 pw.print(" Bad process "); pw.print(pname); 12450 pw.print(" uid "); pw.print(puid); 12451 pw.print(": crashed at time "); pw.println(info.time); 12452 if (info.shortMsg != null) { 12453 pw.print(" Short msg: "); pw.println(info.shortMsg); 12454 } 12455 if (info.longMsg != null) { 12456 pw.print(" Long msg: "); pw.println(info.longMsg); 12457 } 12458 if (info.stack != null) { 12459 pw.println(" Stack:"); 12460 int lastPos = 0; 12461 for (int pos=0; pos<info.stack.length(); pos++) { 12462 if (info.stack.charAt(pos) == '\n') { 12463 pw.print(" "); 12464 pw.write(info.stack, lastPos, pos-lastPos); 12465 pw.println(); 12466 lastPos = pos+1; 12467 } 12468 } 12469 if (lastPos < info.stack.length()) { 12470 pw.print(" "); 12471 pw.write(info.stack, lastPos, info.stack.length()-lastPos); 12472 pw.println(); 12473 } 12474 } 12475 } 12476 } 12477 } 12478 12479 if (dumpPackage == null) { 12480 pw.println(); 12481 needSep = false; 12482 pw.println(" mStartedUsers:"); 12483 for (int i=0; i<mStartedUsers.size(); i++) { 12484 UserStartedState uss = mStartedUsers.valueAt(i); 12485 pw.print(" User #"); pw.print(uss.mHandle.getIdentifier()); 12486 pw.print(": "); uss.dump("", pw); 12487 } 12488 pw.print(" mStartedUserArray: ["); 12489 for (int i=0; i<mStartedUserArray.length; i++) { 12490 if (i > 0) pw.print(", "); 12491 pw.print(mStartedUserArray[i]); 12492 } 12493 pw.println("]"); 12494 pw.print(" mUserLru: ["); 12495 for (int i=0; i<mUserLru.size(); i++) { 12496 if (i > 0) pw.print(", "); 12497 pw.print(mUserLru.get(i)); 12498 } 12499 pw.println("]"); 12500 if (dumpAll) { 12501 pw.print(" mStartedUserArray: "); pw.println(Arrays.toString(mStartedUserArray)); 12502 } 12503 synchronized (mUserProfileGroupIdsSelfLocked) { 12504 if (mUserProfileGroupIdsSelfLocked.size() > 0) { 12505 pw.println(" mUserProfileGroupIds:"); 12506 for (int i=0; i<mUserProfileGroupIdsSelfLocked.size(); i++) { 12507 pw.print(" User #"); 12508 pw.print(mUserProfileGroupIdsSelfLocked.keyAt(i)); 12509 pw.print(" -> profile #"); 12510 pw.println(mUserProfileGroupIdsSelfLocked.valueAt(i)); 12511 } 12512 } 12513 } 12514 } 12515 if (mHomeProcess != null && (dumpPackage == null 12516 || mHomeProcess.pkgList.containsKey(dumpPackage))) { 12517 if (needSep) { 12518 pw.println(); 12519 needSep = false; 12520 } 12521 pw.println(" mHomeProcess: " + mHomeProcess); 12522 } 12523 if (mPreviousProcess != null && (dumpPackage == null 12524 || mPreviousProcess.pkgList.containsKey(dumpPackage))) { 12525 if (needSep) { 12526 pw.println(); 12527 needSep = false; 12528 } 12529 pw.println(" mPreviousProcess: " + mPreviousProcess); 12530 } 12531 if (dumpAll) { 12532 StringBuilder sb = new StringBuilder(128); 12533 sb.append(" mPreviousProcessVisibleTime: "); 12534 TimeUtils.formatDuration(mPreviousProcessVisibleTime, sb); 12535 pw.println(sb); 12536 } 12537 if (mHeavyWeightProcess != null && (dumpPackage == null 12538 || mHeavyWeightProcess.pkgList.containsKey(dumpPackage))) { 12539 if (needSep) { 12540 pw.println(); 12541 needSep = false; 12542 } 12543 pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); 12544 } 12545 if (dumpPackage == null) { 12546 pw.println(" mConfiguration: " + mConfiguration); 12547 } 12548 if (dumpAll) { 12549 pw.println(" mConfigWillChange: " + getFocusedStack().mConfigWillChange); 12550 if (mCompatModePackages.getPackages().size() > 0) { 12551 boolean printed = false; 12552 for (Map.Entry<String, Integer> entry 12553 : mCompatModePackages.getPackages().entrySet()) { 12554 String pkg = entry.getKey(); 12555 int mode = entry.getValue(); 12556 if (dumpPackage != null && !dumpPackage.equals(pkg)) { 12557 continue; 12558 } 12559 if (!printed) { 12560 pw.println(" mScreenCompatPackages:"); 12561 printed = true; 12562 } 12563 pw.print(" "); pw.print(pkg); pw.print(": "); 12564 pw.print(mode); pw.println(); 12565 } 12566 } 12567 } 12568 if (dumpPackage == null) { 12569 if (mSleeping || mWentToSleep || mLockScreenShown) { 12570 pw.println(" mSleeping=" + mSleeping + " mWentToSleep=" + mWentToSleep 12571 + " mLockScreenShown " + mLockScreenShown); 12572 } 12573 if (mShuttingDown || mRunningVoice) { 12574 pw.print(" mShuttingDown=" + mShuttingDown + " mRunningVoice=" + mRunningVoice); 12575 } 12576 } 12577 if (mDebugApp != null || mOrigDebugApp != null || mDebugTransient 12578 || mOrigWaitForDebugger) { 12579 if (dumpPackage == null || dumpPackage.equals(mDebugApp) 12580 || dumpPackage.equals(mOrigDebugApp)) { 12581 if (needSep) { 12582 pw.println(); 12583 needSep = false; 12584 } 12585 pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp 12586 + " mDebugTransient=" + mDebugTransient 12587 + " mOrigWaitForDebugger=" + mOrigWaitForDebugger); 12588 } 12589 } 12590 if (mOpenGlTraceApp != null) { 12591 if (dumpPackage == null || dumpPackage.equals(mOpenGlTraceApp)) { 12592 if (needSep) { 12593 pw.println(); 12594 needSep = false; 12595 } 12596 pw.println(" mOpenGlTraceApp=" + mOpenGlTraceApp); 12597 } 12598 } 12599 if (mProfileApp != null || mProfileProc != null || mProfileFile != null 12600 || mProfileFd != null) { 12601 if (dumpPackage == null || dumpPackage.equals(mProfileApp)) { 12602 if (needSep) { 12603 pw.println(); 12604 needSep = false; 12605 } 12606 pw.println(" mProfileApp=" + mProfileApp + " mProfileProc=" + mProfileProc); 12607 pw.println(" mProfileFile=" + mProfileFile + " mProfileFd=" + mProfileFd); 12608 pw.println(" mSamplingInterval=" + mSamplingInterval + " mAutoStopProfiler=" 12609 + mAutoStopProfiler); 12610 pw.println(" mProfileType=" + mProfileType); 12611 } 12612 } 12613 if (dumpPackage == null) { 12614 if (mAlwaysFinishActivities || mController != null) { 12615 pw.println(" mAlwaysFinishActivities=" + mAlwaysFinishActivities 12616 + " mController=" + mController); 12617 } 12618 if (dumpAll) { 12619 pw.println(" Total persistent processes: " + numPers); 12620 pw.println(" mProcessesReady=" + mProcessesReady 12621 + " mSystemReady=" + mSystemReady); 12622 pw.println(" mBooting=" + mBooting 12623 + " mBooted=" + mBooted 12624 + " mFactoryTest=" + mFactoryTest); 12625 pw.print(" mLastPowerCheckRealtime="); 12626 TimeUtils.formatDuration(mLastPowerCheckRealtime, pw); 12627 pw.println(""); 12628 pw.print(" mLastPowerCheckUptime="); 12629 TimeUtils.formatDuration(mLastPowerCheckUptime, pw); 12630 pw.println(""); 12631 pw.println(" mGoingToSleep=" + mStackSupervisor.mGoingToSleep); 12632 pw.println(" mLaunchingActivity=" + mStackSupervisor.mLaunchingActivity); 12633 pw.println(" mAdjSeq=" + mAdjSeq + " mLruSeq=" + mLruSeq); 12634 pw.println(" mNumNonCachedProcs=" + mNumNonCachedProcs 12635 + " (" + mLruProcesses.size() + " total)" 12636 + " mNumCachedHiddenProcs=" + mNumCachedHiddenProcs 12637 + " mNumServiceProcs=" + mNumServiceProcs 12638 + " mNewNumServiceProcs=" + mNewNumServiceProcs); 12639 pw.println(" mAllowLowerMemLevel=" + mAllowLowerMemLevel 12640 + " mLastMemoryLevel" + mLastMemoryLevel 12641 + " mLastNumProcesses" + mLastNumProcesses); 12642 long now = SystemClock.uptimeMillis(); 12643 pw.print(" mLastIdleTime="); 12644 TimeUtils.formatDuration(now, mLastIdleTime, pw); 12645 pw.print(" mLowRamSinceLastIdle="); 12646 TimeUtils.formatDuration(getLowRamTimeSinceIdle(now), pw); 12647 pw.println(); 12648 } 12649 } 12650 12651 if (!printedAnything) { 12652 pw.println(" (nothing)"); 12653 } 12654 } 12655 12656 boolean dumpProcessesToGc(FileDescriptor fd, PrintWriter pw, String[] args, 12657 int opti, boolean needSep, boolean dumpAll, String dumpPackage) { 12658 if (mProcessesToGc.size() > 0) { 12659 boolean printed = false; 12660 long now = SystemClock.uptimeMillis(); 12661 for (int i=0; i<mProcessesToGc.size(); i++) { 12662 ProcessRecord proc = mProcessesToGc.get(i); 12663 if (dumpPackage != null && !dumpPackage.equals(proc.info.packageName)) { 12664 continue; 12665 } 12666 if (!printed) { 12667 if (needSep) pw.println(); 12668 needSep = true; 12669 pw.println(" Processes that are waiting to GC:"); 12670 printed = true; 12671 } 12672 pw.print(" Process "); pw.println(proc); 12673 pw.print(" lowMem="); pw.print(proc.reportLowMemory); 12674 pw.print(", last gced="); 12675 pw.print(now-proc.lastRequestedGc); 12676 pw.print(" ms ago, last lowMem="); 12677 pw.print(now-proc.lastLowMemory); 12678 pw.println(" ms ago"); 12679 12680 } 12681 } 12682 return needSep; 12683 } 12684 12685 void printOomLevel(PrintWriter pw, String name, int adj) { 12686 pw.print(" "); 12687 if (adj >= 0) { 12688 pw.print(' '); 12689 if (adj < 10) pw.print(' '); 12690 } else { 12691 if (adj > -10) pw.print(' '); 12692 } 12693 pw.print(adj); 12694 pw.print(": "); 12695 pw.print(name); 12696 pw.print(" ("); 12697 pw.print(mProcessList.getMemLevel(adj)/1024); 12698 pw.println(" kB)"); 12699 } 12700 12701 boolean dumpOomLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12702 int opti, boolean dumpAll) { 12703 boolean needSep = false; 12704 12705 if (mLruProcesses.size() > 0) { 12706 if (needSep) pw.println(); 12707 needSep = true; 12708 pw.println(" OOM levels:"); 12709 printOomLevel(pw, "SYSTEM_ADJ", ProcessList.SYSTEM_ADJ); 12710 printOomLevel(pw, "PERSISTENT_PROC_ADJ", ProcessList.PERSISTENT_PROC_ADJ); 12711 printOomLevel(pw, "FOREGROUND_APP_ADJ", ProcessList.FOREGROUND_APP_ADJ); 12712 printOomLevel(pw, "VISIBLE_APP_ADJ", ProcessList.VISIBLE_APP_ADJ); 12713 printOomLevel(pw, "PERCEPTIBLE_APP_ADJ", ProcessList.PERCEPTIBLE_APP_ADJ); 12714 printOomLevel(pw, "BACKUP_APP_ADJ", ProcessList.BACKUP_APP_ADJ); 12715 printOomLevel(pw, "HEAVY_WEIGHT_APP_ADJ", ProcessList.HEAVY_WEIGHT_APP_ADJ); 12716 printOomLevel(pw, "SERVICE_ADJ", ProcessList.SERVICE_ADJ); 12717 printOomLevel(pw, "HOME_APP_ADJ", ProcessList.HOME_APP_ADJ); 12718 printOomLevel(pw, "PREVIOUS_APP_ADJ", ProcessList.PREVIOUS_APP_ADJ); 12719 printOomLevel(pw, "SERVICE_B_ADJ", ProcessList.SERVICE_B_ADJ); 12720 printOomLevel(pw, "CACHED_APP_MIN_ADJ", ProcessList.CACHED_APP_MIN_ADJ); 12721 printOomLevel(pw, "CACHED_APP_MAX_ADJ", ProcessList.CACHED_APP_MAX_ADJ); 12722 12723 if (needSep) pw.println(); 12724 pw.print(" Process OOM control ("); pw.print(mLruProcesses.size()); 12725 pw.print(" total, non-act at "); 12726 pw.print(mLruProcesses.size()-mLruProcessActivityStart); 12727 pw.print(", non-svc at "); 12728 pw.print(mLruProcesses.size()-mLruProcessServiceStart); 12729 pw.println("):"); 12730 dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", true, null); 12731 needSep = true; 12732 } 12733 12734 dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, null); 12735 12736 pw.println(); 12737 pw.println(" mHomeProcess: " + mHomeProcess); 12738 pw.println(" mPreviousProcess: " + mPreviousProcess); 12739 if (mHeavyWeightProcess != null) { 12740 pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); 12741 } 12742 12743 return true; 12744 } 12745 12746 /** 12747 * There are three ways to call this: 12748 * - no provider specified: dump all the providers 12749 * - a flattened component name that matched an existing provider was specified as the 12750 * first arg: dump that one provider 12751 * - the first arg isn't the flattened component name of an existing provider: 12752 * dump all providers whose component contains the first arg as a substring 12753 */ 12754 protected boolean dumpProvider(FileDescriptor fd, PrintWriter pw, String name, String[] args, 12755 int opti, boolean dumpAll) { 12756 return mProviderMap.dumpProvider(fd, pw, name, args, opti, dumpAll); 12757 } 12758 12759 static class ItemMatcher { 12760 ArrayList<ComponentName> components; 12761 ArrayList<String> strings; 12762 ArrayList<Integer> objects; 12763 boolean all; 12764 12765 ItemMatcher() { 12766 all = true; 12767 } 12768 12769 void build(String name) { 12770 ComponentName componentName = ComponentName.unflattenFromString(name); 12771 if (componentName != null) { 12772 if (components == null) { 12773 components = new ArrayList<ComponentName>(); 12774 } 12775 components.add(componentName); 12776 all = false; 12777 } else { 12778 int objectId = 0; 12779 // Not a '/' separated full component name; maybe an object ID? 12780 try { 12781 objectId = Integer.parseInt(name, 16); 12782 if (objects == null) { 12783 objects = new ArrayList<Integer>(); 12784 } 12785 objects.add(objectId); 12786 all = false; 12787 } catch (RuntimeException e) { 12788 // Not an integer; just do string match. 12789 if (strings == null) { 12790 strings = new ArrayList<String>(); 12791 } 12792 strings.add(name); 12793 all = false; 12794 } 12795 } 12796 } 12797 12798 int build(String[] args, int opti) { 12799 for (; opti<args.length; opti++) { 12800 String name = args[opti]; 12801 if ("--".equals(name)) { 12802 return opti+1; 12803 } 12804 build(name); 12805 } 12806 return opti; 12807 } 12808 12809 boolean match(Object object, ComponentName comp) { 12810 if (all) { 12811 return true; 12812 } 12813 if (components != null) { 12814 for (int i=0; i<components.size(); i++) { 12815 if (components.get(i).equals(comp)) { 12816 return true; 12817 } 12818 } 12819 } 12820 if (objects != null) { 12821 for (int i=0; i<objects.size(); i++) { 12822 if (System.identityHashCode(object) == objects.get(i)) { 12823 return true; 12824 } 12825 } 12826 } 12827 if (strings != null) { 12828 String flat = comp.flattenToString(); 12829 for (int i=0; i<strings.size(); i++) { 12830 if (flat.contains(strings.get(i))) { 12831 return true; 12832 } 12833 } 12834 } 12835 return false; 12836 } 12837 } 12838 12839 /** 12840 * There are three things that cmd can be: 12841 * - a flattened component name that matches an existing activity 12842 * - the cmd arg isn't the flattened component name of an existing activity: 12843 * dump all activity whose component contains the cmd as a substring 12844 * - A hex number of the ActivityRecord object instance. 12845 */ 12846 protected boolean dumpActivity(FileDescriptor fd, PrintWriter pw, String name, String[] args, 12847 int opti, boolean dumpAll) { 12848 ArrayList<ActivityRecord> activities; 12849 12850 synchronized (this) { 12851 activities = mStackSupervisor.getDumpActivitiesLocked(name); 12852 } 12853 12854 if (activities.size() <= 0) { 12855 return false; 12856 } 12857 12858 String[] newArgs = new String[args.length - opti]; 12859 System.arraycopy(args, opti, newArgs, 0, args.length - opti); 12860 12861 TaskRecord lastTask = null; 12862 boolean needSep = false; 12863 for (int i=activities.size()-1; i>=0; i--) { 12864 ActivityRecord r = activities.get(i); 12865 if (needSep) { 12866 pw.println(); 12867 } 12868 needSep = true; 12869 synchronized (this) { 12870 if (lastTask != r.task) { 12871 lastTask = r.task; 12872 pw.print("TASK "); pw.print(lastTask.affinity); 12873 pw.print(" id="); pw.println(lastTask.taskId); 12874 if (dumpAll) { 12875 lastTask.dump(pw, " "); 12876 } 12877 } 12878 } 12879 dumpActivity(" ", fd, pw, activities.get(i), newArgs, dumpAll); 12880 } 12881 return true; 12882 } 12883 12884 /** 12885 * Invokes IApplicationThread.dumpActivity() on the thread of the specified activity if 12886 * there is a thread associated with the activity. 12887 */ 12888 private void dumpActivity(String prefix, FileDescriptor fd, PrintWriter pw, 12889 final ActivityRecord r, String[] args, boolean dumpAll) { 12890 String innerPrefix = prefix + " "; 12891 synchronized (this) { 12892 pw.print(prefix); pw.print("ACTIVITY "); pw.print(r.shortComponentName); 12893 pw.print(" "); pw.print(Integer.toHexString(System.identityHashCode(r))); 12894 pw.print(" pid="); 12895 if (r.app != null) pw.println(r.app.pid); 12896 else pw.println("(not running)"); 12897 if (dumpAll) { 12898 r.dump(pw, innerPrefix); 12899 } 12900 } 12901 if (r.app != null && r.app.thread != null) { 12902 // flush anything that is already in the PrintWriter since the thread is going 12903 // to write to the file descriptor directly 12904 pw.flush(); 12905 try { 12906 TransferPipe tp = new TransferPipe(); 12907 try { 12908 r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), 12909 r.appToken, innerPrefix, args); 12910 tp.go(fd); 12911 } finally { 12912 tp.kill(); 12913 } 12914 } catch (IOException e) { 12915 pw.println(innerPrefix + "Failure while dumping the activity: " + e); 12916 } catch (RemoteException e) { 12917 pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); 12918 } 12919 } 12920 } 12921 12922 void dumpBroadcastsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12923 int opti, boolean dumpAll, String dumpPackage) { 12924 boolean needSep = false; 12925 boolean onlyHistory = false; 12926 boolean printedAnything = false; 12927 12928 if ("history".equals(dumpPackage)) { 12929 if (opti < args.length && "-s".equals(args[opti])) { 12930 dumpAll = false; 12931 } 12932 onlyHistory = true; 12933 dumpPackage = null; 12934 } 12935 12936 pw.println("ACTIVITY MANAGER BROADCAST STATE (dumpsys activity broadcasts)"); 12937 if (!onlyHistory && dumpAll) { 12938 if (mRegisteredReceivers.size() > 0) { 12939 boolean printed = false; 12940 Iterator it = mRegisteredReceivers.values().iterator(); 12941 while (it.hasNext()) { 12942 ReceiverList r = (ReceiverList)it.next(); 12943 if (dumpPackage != null && (r.app == null || 12944 !dumpPackage.equals(r.app.info.packageName))) { 12945 continue; 12946 } 12947 if (!printed) { 12948 pw.println(" Registered Receivers:"); 12949 needSep = true; 12950 printed = true; 12951 printedAnything = true; 12952 } 12953 pw.print(" * "); pw.println(r); 12954 r.dump(pw, " "); 12955 } 12956 } 12957 12958 if (mReceiverResolver.dump(pw, needSep ? 12959 "\n Receiver Resolver Table:" : " Receiver Resolver Table:", 12960 " ", dumpPackage, false)) { 12961 needSep = true; 12962 printedAnything = true; 12963 } 12964 } 12965 12966 for (BroadcastQueue q : mBroadcastQueues) { 12967 needSep = q.dumpLocked(fd, pw, args, opti, dumpAll, dumpPackage, needSep); 12968 printedAnything |= needSep; 12969 } 12970 12971 needSep = true; 12972 12973 if (!onlyHistory && mStickyBroadcasts != null && dumpPackage == null) { 12974 for (int user=0; user<mStickyBroadcasts.size(); user++) { 12975 if (needSep) { 12976 pw.println(); 12977 } 12978 needSep = true; 12979 printedAnything = true; 12980 pw.print(" Sticky broadcasts for user "); 12981 pw.print(mStickyBroadcasts.keyAt(user)); pw.println(":"); 12982 StringBuilder sb = new StringBuilder(128); 12983 for (Map.Entry<String, ArrayList<Intent>> ent 12984 : mStickyBroadcasts.valueAt(user).entrySet()) { 12985 pw.print(" * Sticky action "); pw.print(ent.getKey()); 12986 if (dumpAll) { 12987 pw.println(":"); 12988 ArrayList<Intent> intents = ent.getValue(); 12989 final int N = intents.size(); 12990 for (int i=0; i<N; i++) { 12991 sb.setLength(0); 12992 sb.append(" Intent: "); 12993 intents.get(i).toShortString(sb, false, true, false, false); 12994 pw.println(sb.toString()); 12995 Bundle bundle = intents.get(i).getExtras(); 12996 if (bundle != null) { 12997 pw.print(" "); 12998 pw.println(bundle.toString()); 12999 } 13000 } 13001 } else { 13002 pw.println(""); 13003 } 13004 } 13005 } 13006 } 13007 13008 if (!onlyHistory && dumpAll) { 13009 pw.println(); 13010 for (BroadcastQueue queue : mBroadcastQueues) { 13011 pw.println(" mBroadcastsScheduled [" + queue.mQueueName + "]=" 13012 + queue.mBroadcastsScheduled); 13013 } 13014 pw.println(" mHandler:"); 13015 mHandler.dump(new PrintWriterPrinter(pw), " "); 13016 needSep = true; 13017 printedAnything = true; 13018 } 13019 13020 if (!printedAnything) { 13021 pw.println(" (nothing)"); 13022 } 13023 } 13024 13025 void dumpProvidersLocked(FileDescriptor fd, PrintWriter pw, String[] args, 13026 int opti, boolean dumpAll, String dumpPackage) { 13027 boolean needSep; 13028 boolean printedAnything = false; 13029 13030 ItemMatcher matcher = new ItemMatcher(); 13031 matcher.build(args, opti); 13032 13033 pw.println("ACTIVITY MANAGER CONTENT PROVIDERS (dumpsys activity providers)"); 13034 13035 needSep = mProviderMap.dumpProvidersLocked(pw, dumpAll, dumpPackage); 13036 printedAnything |= needSep; 13037 13038 if (mLaunchingProviders.size() > 0) { 13039 boolean printed = false; 13040 for (int i=mLaunchingProviders.size()-1; i>=0; i--) { 13041 ContentProviderRecord r = mLaunchingProviders.get(i); 13042 if (dumpPackage != null && !dumpPackage.equals(r.name.getPackageName())) { 13043 continue; 13044 } 13045 if (!printed) { 13046 if (needSep) pw.println(); 13047 needSep = true; 13048 pw.println(" Launching content providers:"); 13049 printed = true; 13050 printedAnything = true; 13051 } 13052 pw.print(" Launching #"); pw.print(i); pw.print(": "); 13053 pw.println(r); 13054 } 13055 } 13056 13057 if (mGrantedUriPermissions.size() > 0) { 13058 boolean printed = false; 13059 int dumpUid = -2; 13060 if (dumpPackage != null) { 13061 try { 13062 dumpUid = mContext.getPackageManager().getPackageUid(dumpPackage, 0); 13063 } catch (NameNotFoundException e) { 13064 dumpUid = -1; 13065 } 13066 } 13067 for (int i=0; i<mGrantedUriPermissions.size(); i++) { 13068 int uid = mGrantedUriPermissions.keyAt(i); 13069 if (dumpUid >= -1 && UserHandle.getAppId(uid) != dumpUid) { 13070 continue; 13071 } 13072 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 13073 if (!printed) { 13074 if (needSep) pw.println(); 13075 needSep = true; 13076 pw.println(" Granted Uri Permissions:"); 13077 printed = true; 13078 printedAnything = true; 13079 } 13080 pw.print(" * UID "); pw.print(uid); pw.println(" holds:"); 13081 for (UriPermission perm : perms.values()) { 13082 pw.print(" "); pw.println(perm); 13083 if (dumpAll) { 13084 perm.dump(pw, " "); 13085 } 13086 } 13087 } 13088 } 13089 13090 if (!printedAnything) { 13091 pw.println(" (nothing)"); 13092 } 13093 } 13094 13095 void dumpPendingIntentsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 13096 int opti, boolean dumpAll, String dumpPackage) { 13097 boolean printed = false; 13098 13099 pw.println("ACTIVITY MANAGER PENDING INTENTS (dumpsys activity intents)"); 13100 13101 if (mIntentSenderRecords.size() > 0) { 13102 Iterator<WeakReference<PendingIntentRecord>> it 13103 = mIntentSenderRecords.values().iterator(); 13104 while (it.hasNext()) { 13105 WeakReference<PendingIntentRecord> ref = it.next(); 13106 PendingIntentRecord rec = ref != null ? ref.get(): null; 13107 if (dumpPackage != null && (rec == null 13108 || !dumpPackage.equals(rec.key.packageName))) { 13109 continue; 13110 } 13111 printed = true; 13112 if (rec != null) { 13113 pw.print(" * "); pw.println(rec); 13114 if (dumpAll) { 13115 rec.dump(pw, " "); 13116 } 13117 } else { 13118 pw.print(" * "); pw.println(ref); 13119 } 13120 } 13121 } 13122 13123 if (!printed) { 13124 pw.println(" (nothing)"); 13125 } 13126 } 13127 13128 private static final int dumpProcessList(PrintWriter pw, 13129 ActivityManagerService service, List list, 13130 String prefix, String normalLabel, String persistentLabel, 13131 String dumpPackage) { 13132 int numPers = 0; 13133 final int N = list.size()-1; 13134 for (int i=N; i>=0; i--) { 13135 ProcessRecord r = (ProcessRecord)list.get(i); 13136 if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { 13137 continue; 13138 } 13139 pw.println(String.format("%s%s #%2d: %s", 13140 prefix, (r.persistent ? persistentLabel : normalLabel), 13141 i, r.toString())); 13142 if (r.persistent) { 13143 numPers++; 13144 } 13145 } 13146 return numPers; 13147 } 13148 13149 private static final boolean dumpProcessOomList(PrintWriter pw, 13150 ActivityManagerService service, List<ProcessRecord> origList, 13151 String prefix, String normalLabel, String persistentLabel, 13152 boolean inclDetails, String dumpPackage) { 13153 13154 ArrayList<Pair<ProcessRecord, Integer>> list 13155 = new ArrayList<Pair<ProcessRecord, Integer>>(origList.size()); 13156 for (int i=0; i<origList.size(); i++) { 13157 ProcessRecord r = origList.get(i); 13158 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 13159 continue; 13160 } 13161 list.add(new Pair<ProcessRecord, Integer>(origList.get(i), i)); 13162 } 13163 13164 if (list.size() <= 0) { 13165 return false; 13166 } 13167 13168 Comparator<Pair<ProcessRecord, Integer>> comparator 13169 = new Comparator<Pair<ProcessRecord, Integer>>() { 13170 @Override 13171 public int compare(Pair<ProcessRecord, Integer> object1, 13172 Pair<ProcessRecord, Integer> object2) { 13173 if (object1.first.setAdj != object2.first.setAdj) { 13174 return object1.first.setAdj > object2.first.setAdj ? -1 : 1; 13175 } 13176 if (object1.second.intValue() != object2.second.intValue()) { 13177 return object1.second.intValue() > object2.second.intValue() ? -1 : 1; 13178 } 13179 return 0; 13180 } 13181 }; 13182 13183 Collections.sort(list, comparator); 13184 13185 final long curRealtime = SystemClock.elapsedRealtime(); 13186 final long realtimeSince = curRealtime - service.mLastPowerCheckRealtime; 13187 final long curUptime = SystemClock.uptimeMillis(); 13188 final long uptimeSince = curUptime - service.mLastPowerCheckUptime; 13189 13190 for (int i=list.size()-1; i>=0; i--) { 13191 ProcessRecord r = list.get(i).first; 13192 String oomAdj = ProcessList.makeOomAdjString(r.setAdj); 13193 char schedGroup; 13194 switch (r.setSchedGroup) { 13195 case Process.THREAD_GROUP_BG_NONINTERACTIVE: 13196 schedGroup = 'B'; 13197 break; 13198 case Process.THREAD_GROUP_DEFAULT: 13199 schedGroup = 'F'; 13200 break; 13201 default: 13202 schedGroup = '?'; 13203 break; 13204 } 13205 char foreground; 13206 if (r.foregroundActivities) { 13207 foreground = 'A'; 13208 } else if (r.foregroundServices) { 13209 foreground = 'S'; 13210 } else { 13211 foreground = ' '; 13212 } 13213 String procState = ProcessList.makeProcStateString(r.curProcState); 13214 pw.print(prefix); 13215 pw.print(r.persistent ? persistentLabel : normalLabel); 13216 pw.print(" #"); 13217 int num = (origList.size()-1)-list.get(i).second; 13218 if (num < 10) pw.print(' '); 13219 pw.print(num); 13220 pw.print(": "); 13221 pw.print(oomAdj); 13222 pw.print(' '); 13223 pw.print(schedGroup); 13224 pw.print('/'); 13225 pw.print(foreground); 13226 pw.print('/'); 13227 pw.print(procState); 13228 pw.print(" trm:"); 13229 if (r.trimMemoryLevel < 10) pw.print(' '); 13230 pw.print(r.trimMemoryLevel); 13231 pw.print(' '); 13232 pw.print(r.toShortString()); 13233 pw.print(" ("); 13234 pw.print(r.adjType); 13235 pw.println(')'); 13236 if (r.adjSource != null || r.adjTarget != null) { 13237 pw.print(prefix); 13238 pw.print(" "); 13239 if (r.adjTarget instanceof ComponentName) { 13240 pw.print(((ComponentName)r.adjTarget).flattenToShortString()); 13241 } else if (r.adjTarget != null) { 13242 pw.print(r.adjTarget.toString()); 13243 } else { 13244 pw.print("{null}"); 13245 } 13246 pw.print("<="); 13247 if (r.adjSource instanceof ProcessRecord) { 13248 pw.print("Proc{"); 13249 pw.print(((ProcessRecord)r.adjSource).toShortString()); 13250 pw.println("}"); 13251 } else if (r.adjSource != null) { 13252 pw.println(r.adjSource.toString()); 13253 } else { 13254 pw.println("{null}"); 13255 } 13256 } 13257 if (inclDetails) { 13258 pw.print(prefix); 13259 pw.print(" "); 13260 pw.print("oom: max="); pw.print(r.maxAdj); 13261 pw.print(" curRaw="); pw.print(r.curRawAdj); 13262 pw.print(" setRaw="); pw.print(r.setRawAdj); 13263 pw.print(" cur="); pw.print(r.curAdj); 13264 pw.print(" set="); pw.println(r.setAdj); 13265 pw.print(prefix); 13266 pw.print(" "); 13267 pw.print("state: cur="); pw.print(ProcessList.makeProcStateString(r.curProcState)); 13268 pw.print(" set="); pw.print(ProcessList.makeProcStateString(r.setProcState)); 13269 pw.print(" lastPss="); pw.print(r.lastPss); 13270 pw.print(" lastCachedPss="); pw.println(r.lastCachedPss); 13271 pw.print(prefix); 13272 pw.print(" "); 13273 pw.print("cached="); pw.print(r.cached); 13274 pw.print(" empty="); pw.print(r.empty); 13275 pw.print(" hasAboveClient="); pw.println(r.hasAboveClient); 13276 13277 if (r.setProcState >= ActivityManager.PROCESS_STATE_SERVICE) { 13278 if (r.lastWakeTime != 0) { 13279 long wtime; 13280 BatteryStatsImpl stats = service.mBatteryStatsService.getActiveStatistics(); 13281 synchronized (stats) { 13282 wtime = stats.getProcessWakeTime(r.info.uid, 13283 r.pid, curRealtime); 13284 } 13285 long timeUsed = wtime - r.lastWakeTime; 13286 pw.print(prefix); 13287 pw.print(" "); 13288 pw.print("keep awake over "); 13289 TimeUtils.formatDuration(realtimeSince, pw); 13290 pw.print(" used "); 13291 TimeUtils.formatDuration(timeUsed, pw); 13292 pw.print(" ("); 13293 pw.print((timeUsed*100)/realtimeSince); 13294 pw.println("%)"); 13295 } 13296 if (r.lastCpuTime != 0) { 13297 long timeUsed = r.curCpuTime - r.lastCpuTime; 13298 pw.print(prefix); 13299 pw.print(" "); 13300 pw.print("run cpu over "); 13301 TimeUtils.formatDuration(uptimeSince, pw); 13302 pw.print(" used "); 13303 TimeUtils.formatDuration(timeUsed, pw); 13304 pw.print(" ("); 13305 pw.print((timeUsed*100)/uptimeSince); 13306 pw.println("%)"); 13307 } 13308 } 13309 } 13310 } 13311 return true; 13312 } 13313 13314 ArrayList<ProcessRecord> collectProcesses(PrintWriter pw, int start, String[] args) { 13315 ArrayList<ProcessRecord> procs; 13316 synchronized (this) { 13317 if (args != null && args.length > start 13318 && args[start].charAt(0) != '-') { 13319 procs = new ArrayList<ProcessRecord>(); 13320 int pid = -1; 13321 try { 13322 pid = Integer.parseInt(args[start]); 13323 } catch (NumberFormatException e) { 13324 } 13325 for (int i=mLruProcesses.size()-1; i>=0; i--) { 13326 ProcessRecord proc = mLruProcesses.get(i); 13327 if (proc.pid == pid) { 13328 procs.add(proc); 13329 } else if (proc.processName.equals(args[start])) { 13330 procs.add(proc); 13331 } 13332 } 13333 if (procs.size() <= 0) { 13334 return null; 13335 } 13336 } else { 13337 procs = new ArrayList<ProcessRecord>(mLruProcesses); 13338 } 13339 } 13340 return procs; 13341 } 13342 13343 final void dumpGraphicsHardwareUsage(FileDescriptor fd, 13344 PrintWriter pw, String[] args) { 13345 ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); 13346 if (procs == null) { 13347 pw.println("No process found for: " + args[0]); 13348 return; 13349 } 13350 13351 long uptime = SystemClock.uptimeMillis(); 13352 long realtime = SystemClock.elapsedRealtime(); 13353 pw.println("Applications Graphics Acceleration Info:"); 13354 pw.println("Uptime: " + uptime + " Realtime: " + realtime); 13355 13356 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13357 ProcessRecord r = procs.get(i); 13358 if (r.thread != null) { 13359 pw.println("\n** Graphics info for pid " + r.pid + " [" + r.processName + "] **"); 13360 pw.flush(); 13361 try { 13362 TransferPipe tp = new TransferPipe(); 13363 try { 13364 r.thread.dumpGfxInfo(tp.getWriteFd().getFileDescriptor(), args); 13365 tp.go(fd); 13366 } finally { 13367 tp.kill(); 13368 } 13369 } catch (IOException e) { 13370 pw.println("Failure while dumping the app: " + r); 13371 pw.flush(); 13372 } catch (RemoteException e) { 13373 pw.println("Got a RemoteException while dumping the app " + r); 13374 pw.flush(); 13375 } 13376 } 13377 } 13378 } 13379 13380 final void dumpDbInfo(FileDescriptor fd, PrintWriter pw, String[] args) { 13381 ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); 13382 if (procs == null) { 13383 pw.println("No process found for: " + args[0]); 13384 return; 13385 } 13386 13387 pw.println("Applications Database Info:"); 13388 13389 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13390 ProcessRecord r = procs.get(i); 13391 if (r.thread != null) { 13392 pw.println("\n** Database info for pid " + r.pid + " [" + r.processName + "] **"); 13393 pw.flush(); 13394 try { 13395 TransferPipe tp = new TransferPipe(); 13396 try { 13397 r.thread.dumpDbInfo(tp.getWriteFd().getFileDescriptor(), args); 13398 tp.go(fd); 13399 } finally { 13400 tp.kill(); 13401 } 13402 } catch (IOException e) { 13403 pw.println("Failure while dumping the app: " + r); 13404 pw.flush(); 13405 } catch (RemoteException e) { 13406 pw.println("Got a RemoteException while dumping the app " + r); 13407 pw.flush(); 13408 } 13409 } 13410 } 13411 } 13412 13413 final static class MemItem { 13414 final boolean isProc; 13415 final String label; 13416 final String shortLabel; 13417 final long pss; 13418 final int id; 13419 final boolean hasActivities; 13420 ArrayList<MemItem> subitems; 13421 13422 public MemItem(String _label, String _shortLabel, long _pss, int _id, 13423 boolean _hasActivities) { 13424 isProc = true; 13425 label = _label; 13426 shortLabel = _shortLabel; 13427 pss = _pss; 13428 id = _id; 13429 hasActivities = _hasActivities; 13430 } 13431 13432 public MemItem(String _label, String _shortLabel, long _pss, int _id) { 13433 isProc = false; 13434 label = _label; 13435 shortLabel = _shortLabel; 13436 pss = _pss; 13437 id = _id; 13438 hasActivities = false; 13439 } 13440 } 13441 13442 static final void dumpMemItems(PrintWriter pw, String prefix, String tag, 13443 ArrayList<MemItem> items, boolean sort, boolean isCompact) { 13444 if (sort && !isCompact) { 13445 Collections.sort(items, new Comparator<MemItem>() { 13446 @Override 13447 public int compare(MemItem lhs, MemItem rhs) { 13448 if (lhs.pss < rhs.pss) { 13449 return 1; 13450 } else if (lhs.pss > rhs.pss) { 13451 return -1; 13452 } 13453 return 0; 13454 } 13455 }); 13456 } 13457 13458 for (int i=0; i<items.size(); i++) { 13459 MemItem mi = items.get(i); 13460 if (!isCompact) { 13461 pw.print(prefix); pw.printf("%7d kB: ", mi.pss); pw.println(mi.label); 13462 } else if (mi.isProc) { 13463 pw.print("proc,"); pw.print(tag); pw.print(","); pw.print(mi.shortLabel); 13464 pw.print(","); pw.print(mi.id); pw.print(","); pw.print(mi.pss); 13465 pw.println(mi.hasActivities ? ",a" : ",e"); 13466 } else { 13467 pw.print(tag); pw.print(","); pw.print(mi.shortLabel); pw.print(","); 13468 pw.println(mi.pss); 13469 } 13470 if (mi.subitems != null) { 13471 dumpMemItems(pw, prefix + " ", mi.shortLabel, mi.subitems, 13472 true, isCompact); 13473 } 13474 } 13475 } 13476 13477 // These are in KB. 13478 static final long[] DUMP_MEM_BUCKETS = new long[] { 13479 5*1024, 7*1024, 10*1024, 15*1024, 20*1024, 30*1024, 40*1024, 80*1024, 13480 120*1024, 160*1024, 200*1024, 13481 250*1024, 300*1024, 350*1024, 400*1024, 500*1024, 600*1024, 800*1024, 13482 1*1024*1024, 2*1024*1024, 5*1024*1024, 10*1024*1024, 20*1024*1024 13483 }; 13484 13485 static final void appendMemBucket(StringBuilder out, long memKB, String label, 13486 boolean stackLike) { 13487 int start = label.lastIndexOf('.'); 13488 if (start >= 0) start++; 13489 else start = 0; 13490 int end = label.length(); 13491 for (int i=0; i<DUMP_MEM_BUCKETS.length; i++) { 13492 if (DUMP_MEM_BUCKETS[i] >= memKB) { 13493 long bucket = DUMP_MEM_BUCKETS[i]/1024; 13494 out.append(bucket); 13495 out.append(stackLike ? "MB." : "MB "); 13496 out.append(label, start, end); 13497 return; 13498 } 13499 } 13500 out.append(memKB/1024); 13501 out.append(stackLike ? "MB." : "MB "); 13502 out.append(label, start, end); 13503 } 13504 13505 static final int[] DUMP_MEM_OOM_ADJ = new int[] { 13506 ProcessList.NATIVE_ADJ, 13507 ProcessList.SYSTEM_ADJ, ProcessList.PERSISTENT_PROC_ADJ, ProcessList.FOREGROUND_APP_ADJ, 13508 ProcessList.VISIBLE_APP_ADJ, ProcessList.PERCEPTIBLE_APP_ADJ, 13509 ProcessList.BACKUP_APP_ADJ, ProcessList.HEAVY_WEIGHT_APP_ADJ, 13510 ProcessList.SERVICE_ADJ, ProcessList.HOME_APP_ADJ, 13511 ProcessList.PREVIOUS_APP_ADJ, ProcessList.SERVICE_B_ADJ, ProcessList.CACHED_APP_MAX_ADJ 13512 }; 13513 static final String[] DUMP_MEM_OOM_LABEL = new String[] { 13514 "Native", 13515 "System", "Persistent", "Foreground", 13516 "Visible", "Perceptible", 13517 "Heavy Weight", "Backup", 13518 "A Services", "Home", 13519 "Previous", "B Services", "Cached" 13520 }; 13521 static final String[] DUMP_MEM_OOM_COMPACT_LABEL = new String[] { 13522 "native", 13523 "sys", "pers", "fore", 13524 "vis", "percept", 13525 "heavy", "backup", 13526 "servicea", "home", 13527 "prev", "serviceb", "cached" 13528 }; 13529 13530 private final void dumpApplicationMemoryUsageHeader(PrintWriter pw, long uptime, 13531 long realtime, boolean isCheckinRequest, boolean isCompact) { 13532 if (isCheckinRequest || isCompact) { 13533 // short checkin version 13534 pw.print("time,"); pw.print(uptime); pw.print(","); pw.println(realtime); 13535 } else { 13536 pw.println("Applications Memory Usage (kB):"); 13537 pw.println("Uptime: " + uptime + " Realtime: " + realtime); 13538 } 13539 } 13540 13541 final void dumpApplicationMemoryUsage(FileDescriptor fd, 13542 PrintWriter pw, String prefix, String[] args, boolean brief, PrintWriter categoryPw) { 13543 boolean dumpDetails = false; 13544 boolean dumpFullDetails = false; 13545 boolean dumpDalvik = false; 13546 boolean oomOnly = false; 13547 boolean isCompact = false; 13548 boolean localOnly = false; 13549 13550 int opti = 0; 13551 while (opti < args.length) { 13552 String opt = args[opti]; 13553 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 13554 break; 13555 } 13556 opti++; 13557 if ("-a".equals(opt)) { 13558 dumpDetails = true; 13559 dumpFullDetails = true; 13560 dumpDalvik = true; 13561 } else if ("-d".equals(opt)) { 13562 dumpDalvik = true; 13563 } else if ("-c".equals(opt)) { 13564 isCompact = true; 13565 } else if ("--oom".equals(opt)) { 13566 oomOnly = true; 13567 } else if ("--local".equals(opt)) { 13568 localOnly = true; 13569 } else if ("-h".equals(opt)) { 13570 pw.println("meminfo dump options: [-a] [-d] [-c] [--oom] [process]"); 13571 pw.println(" -a: include all available information for each process."); 13572 pw.println(" -d: include dalvik details when dumping process details."); 13573 pw.println(" -c: dump in a compact machine-parseable representation."); 13574 pw.println(" --oom: only show processes organized by oom adj."); 13575 pw.println(" --local: only collect details locally, don't call process."); 13576 pw.println("If [process] is specified it can be the name or "); 13577 pw.println("pid of a specific process to dump."); 13578 return; 13579 } else { 13580 pw.println("Unknown argument: " + opt + "; use -h for help"); 13581 } 13582 } 13583 13584 final boolean isCheckinRequest = scanArgs(args, "--checkin"); 13585 long uptime = SystemClock.uptimeMillis(); 13586 long realtime = SystemClock.elapsedRealtime(); 13587 final long[] tmpLong = new long[1]; 13588 13589 ArrayList<ProcessRecord> procs = collectProcesses(pw, opti, args); 13590 if (procs == null) { 13591 // No Java processes. Maybe they want to print a native process. 13592 if (args != null && args.length > opti 13593 && args[opti].charAt(0) != '-') { 13594 ArrayList<ProcessCpuTracker.Stats> nativeProcs 13595 = new ArrayList<ProcessCpuTracker.Stats>(); 13596 updateCpuStatsNow(); 13597 int findPid = -1; 13598 try { 13599 findPid = Integer.parseInt(args[opti]); 13600 } catch (NumberFormatException e) { 13601 } 13602 synchronized (mProcessCpuThread) { 13603 final int N = mProcessCpuTracker.countStats(); 13604 for (int i=0; i<N; i++) { 13605 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 13606 if (st.pid == findPid || (st.baseName != null 13607 && st.baseName.equals(args[opti]))) { 13608 nativeProcs.add(st); 13609 } 13610 } 13611 } 13612 if (nativeProcs.size() > 0) { 13613 dumpApplicationMemoryUsageHeader(pw, uptime, realtime, isCheckinRequest, 13614 isCompact); 13615 Debug.MemoryInfo mi = null; 13616 for (int i = nativeProcs.size() - 1 ; i >= 0 ; i--) { 13617 final ProcessCpuTracker.Stats r = nativeProcs.get(i); 13618 final int pid = r.pid; 13619 if (!isCheckinRequest && dumpDetails) { 13620 pw.println("\n** MEMINFO in pid " + pid + " [" + r.baseName + "] **"); 13621 } 13622 if (mi == null) { 13623 mi = new Debug.MemoryInfo(); 13624 } 13625 if (dumpDetails || (!brief && !oomOnly)) { 13626 Debug.getMemoryInfo(pid, mi); 13627 } else { 13628 mi.dalvikPss = (int)Debug.getPss(pid, tmpLong); 13629 mi.dalvikPrivateDirty = (int)tmpLong[0]; 13630 } 13631 ActivityThread.dumpMemInfoTable(pw, mi, isCheckinRequest, dumpFullDetails, 13632 dumpDalvik, pid, r.baseName, 0, 0, 0, 0, 0, 0); 13633 if (isCheckinRequest) { 13634 pw.println(); 13635 } 13636 } 13637 return; 13638 } 13639 } 13640 pw.println("No process found for: " + args[opti]); 13641 return; 13642 } 13643 13644 if (!brief && !oomOnly && (procs.size() == 1 || isCheckinRequest)) { 13645 dumpDetails = true; 13646 } 13647 13648 dumpApplicationMemoryUsageHeader(pw, uptime, realtime, isCheckinRequest, isCompact); 13649 13650 String[] innerArgs = new String[args.length-opti]; 13651 System.arraycopy(args, opti, innerArgs, 0, args.length-opti); 13652 13653 ArrayList<MemItem> procMems = new ArrayList<MemItem>(); 13654 final SparseArray<MemItem> procMemsMap = new SparseArray<MemItem>(); 13655 long nativePss=0, dalvikPss=0, otherPss=0; 13656 long[] miscPss = new long[Debug.MemoryInfo.NUM_OTHER_STATS]; 13657 13658 long oomPss[] = new long[DUMP_MEM_OOM_LABEL.length]; 13659 ArrayList<MemItem>[] oomProcs = (ArrayList<MemItem>[]) 13660 new ArrayList[DUMP_MEM_OOM_LABEL.length]; 13661 13662 long totalPss = 0; 13663 long cachedPss = 0; 13664 13665 Debug.MemoryInfo mi = null; 13666 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13667 final ProcessRecord r = procs.get(i); 13668 final IApplicationThread thread; 13669 final int pid; 13670 final int oomAdj; 13671 final boolean hasActivities; 13672 synchronized (this) { 13673 thread = r.thread; 13674 pid = r.pid; 13675 oomAdj = r.getSetAdjWithServices(); 13676 hasActivities = r.activities.size() > 0; 13677 } 13678 if (thread != null) { 13679 if (!isCheckinRequest && dumpDetails) { 13680 pw.println("\n** MEMINFO in pid " + pid + " [" + r.processName + "] **"); 13681 } 13682 if (mi == null) { 13683 mi = new Debug.MemoryInfo(); 13684 } 13685 if (dumpDetails || (!brief && !oomOnly)) { 13686 Debug.getMemoryInfo(pid, mi); 13687 } else { 13688 mi.dalvikPss = (int)Debug.getPss(pid, tmpLong); 13689 mi.dalvikPrivateDirty = (int)tmpLong[0]; 13690 } 13691 if (dumpDetails) { 13692 if (localOnly) { 13693 ActivityThread.dumpMemInfoTable(pw, mi, isCheckinRequest, dumpFullDetails, 13694 dumpDalvik, pid, r.processName, 0, 0, 0, 0, 0, 0); 13695 if (isCheckinRequest) { 13696 pw.println(); 13697 } 13698 } else { 13699 try { 13700 pw.flush(); 13701 thread.dumpMemInfo(fd, mi, isCheckinRequest, dumpFullDetails, 13702 dumpDalvik, innerArgs); 13703 } catch (RemoteException e) { 13704 if (!isCheckinRequest) { 13705 pw.println("Got RemoteException!"); 13706 pw.flush(); 13707 } 13708 } 13709 } 13710 } 13711 13712 final long myTotalPss = mi.getTotalPss(); 13713 final long myTotalUss = mi.getTotalUss(); 13714 13715 synchronized (this) { 13716 if (r.thread != null && oomAdj == r.getSetAdjWithServices()) { 13717 // Record this for posterity if the process has been stable. 13718 r.baseProcessTracker.addPss(myTotalPss, myTotalUss, true, r.pkgList); 13719 } 13720 } 13721 13722 if (!isCheckinRequest && mi != null) { 13723 totalPss += myTotalPss; 13724 MemItem pssItem = new MemItem(r.processName + " (pid " + pid + 13725 (hasActivities ? " / activities)" : ")"), 13726 r.processName, myTotalPss, pid, hasActivities); 13727 procMems.add(pssItem); 13728 procMemsMap.put(pid, pssItem); 13729 13730 nativePss += mi.nativePss; 13731 dalvikPss += mi.dalvikPss; 13732 otherPss += mi.otherPss; 13733 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13734 long mem = mi.getOtherPss(j); 13735 miscPss[j] += mem; 13736 otherPss -= mem; 13737 } 13738 13739 if (oomAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 13740 cachedPss += myTotalPss; 13741 } 13742 13743 for (int oomIndex=0; oomIndex<oomPss.length; oomIndex++) { 13744 if (oomAdj <= DUMP_MEM_OOM_ADJ[oomIndex] 13745 || oomIndex == (oomPss.length-1)) { 13746 oomPss[oomIndex] += myTotalPss; 13747 if (oomProcs[oomIndex] == null) { 13748 oomProcs[oomIndex] = new ArrayList<MemItem>(); 13749 } 13750 oomProcs[oomIndex].add(pssItem); 13751 break; 13752 } 13753 } 13754 } 13755 } 13756 } 13757 13758 long nativeProcTotalPss = 0; 13759 13760 if (!isCheckinRequest && procs.size() > 1) { 13761 // If we are showing aggregations, also look for native processes to 13762 // include so that our aggregations are more accurate. 13763 updateCpuStatsNow(); 13764 synchronized (mProcessCpuThread) { 13765 final int N = mProcessCpuTracker.countStats(); 13766 for (int i=0; i<N; i++) { 13767 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 13768 if (st.vsize > 0 && procMemsMap.indexOfKey(st.pid) < 0) { 13769 if (mi == null) { 13770 mi = new Debug.MemoryInfo(); 13771 } 13772 if (!brief && !oomOnly) { 13773 Debug.getMemoryInfo(st.pid, mi); 13774 } else { 13775 mi.nativePss = (int)Debug.getPss(st.pid, tmpLong); 13776 mi.nativePrivateDirty = (int)tmpLong[0]; 13777 } 13778 13779 final long myTotalPss = mi.getTotalPss(); 13780 totalPss += myTotalPss; 13781 nativeProcTotalPss += myTotalPss; 13782 13783 MemItem pssItem = new MemItem(st.name + " (pid " + st.pid + ")", 13784 st.name, myTotalPss, st.pid, false); 13785 procMems.add(pssItem); 13786 13787 nativePss += mi.nativePss; 13788 dalvikPss += mi.dalvikPss; 13789 otherPss += mi.otherPss; 13790 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13791 long mem = mi.getOtherPss(j); 13792 miscPss[j] += mem; 13793 otherPss -= mem; 13794 } 13795 oomPss[0] += myTotalPss; 13796 if (oomProcs[0] == null) { 13797 oomProcs[0] = new ArrayList<MemItem>(); 13798 } 13799 oomProcs[0].add(pssItem); 13800 } 13801 } 13802 } 13803 13804 ArrayList<MemItem> catMems = new ArrayList<MemItem>(); 13805 13806 catMems.add(new MemItem("Native", "Native", nativePss, -1)); 13807 catMems.add(new MemItem("Dalvik", "Dalvik", dalvikPss, -2)); 13808 catMems.add(new MemItem("Unknown", "Unknown", otherPss, -3)); 13809 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13810 String label = Debug.MemoryInfo.getOtherLabel(j); 13811 catMems.add(new MemItem(label, label, miscPss[j], j)); 13812 } 13813 13814 ArrayList<MemItem> oomMems = new ArrayList<MemItem>(); 13815 for (int j=0; j<oomPss.length; j++) { 13816 if (oomPss[j] != 0) { 13817 String label = isCompact ? DUMP_MEM_OOM_COMPACT_LABEL[j] 13818 : DUMP_MEM_OOM_LABEL[j]; 13819 MemItem item = new MemItem(label, label, oomPss[j], 13820 DUMP_MEM_OOM_ADJ[j]); 13821 item.subitems = oomProcs[j]; 13822 oomMems.add(item); 13823 } 13824 } 13825 13826 if (!brief && !oomOnly && !isCompact) { 13827 pw.println(); 13828 pw.println("Total PSS by process:"); 13829 dumpMemItems(pw, " ", "proc", procMems, true, isCompact); 13830 pw.println(); 13831 } 13832 if (!isCompact) { 13833 pw.println("Total PSS by OOM adjustment:"); 13834 } 13835 dumpMemItems(pw, " ", "oom", oomMems, false, isCompact); 13836 if (!brief && !oomOnly) { 13837 PrintWriter out = categoryPw != null ? categoryPw : pw; 13838 if (!isCompact) { 13839 out.println(); 13840 out.println("Total PSS by category:"); 13841 } 13842 dumpMemItems(out, " ", "cat", catMems, true, isCompact); 13843 } 13844 if (!isCompact) { 13845 pw.println(); 13846 } 13847 MemInfoReader memInfo = new MemInfoReader(); 13848 memInfo.readMemInfo(); 13849 if (nativeProcTotalPss > 0) { 13850 synchronized (this) { 13851 mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(), 13852 memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(), 13853 memInfo.getBuffersSizeKb()+memInfo.getShmemSizeKb()+memInfo.getSlabSizeKb(), 13854 nativeProcTotalPss); 13855 } 13856 } 13857 if (!brief) { 13858 if (!isCompact) { 13859 pw.print("Total RAM: "); pw.print(memInfo.getTotalSizeKb()); 13860 pw.print(" kB (status "); 13861 switch (mLastMemoryLevel) { 13862 case ProcessStats.ADJ_MEM_FACTOR_NORMAL: 13863 pw.println("normal)"); 13864 break; 13865 case ProcessStats.ADJ_MEM_FACTOR_MODERATE: 13866 pw.println("moderate)"); 13867 break; 13868 case ProcessStats.ADJ_MEM_FACTOR_LOW: 13869 pw.println("low)"); 13870 break; 13871 case ProcessStats.ADJ_MEM_FACTOR_CRITICAL: 13872 pw.println("critical)"); 13873 break; 13874 default: 13875 pw.print(mLastMemoryLevel); 13876 pw.println(")"); 13877 break; 13878 } 13879 pw.print(" Free RAM: "); pw.print(cachedPss + memInfo.getCachedSizeKb() 13880 + memInfo.getFreeSizeKb()); pw.print(" kB ("); 13881 pw.print(cachedPss); pw.print(" cached pss + "); 13882 pw.print(memInfo.getCachedSizeKb()); pw.print(" cached + "); 13883 pw.print(memInfo.getFreeSizeKb()); pw.println(" free)"); 13884 } else { 13885 pw.print("ram,"); pw.print(memInfo.getTotalSizeKb()); pw.print(","); 13886 pw.print(cachedPss + memInfo.getCachedSizeKb() 13887 + memInfo.getFreeSizeKb()); pw.print(","); 13888 pw.println(totalPss - cachedPss); 13889 } 13890 } 13891 if (!isCompact) { 13892 pw.print(" Used RAM: "); pw.print(totalPss - cachedPss 13893 + memInfo.getBuffersSizeKb() + memInfo.getShmemSizeKb() 13894 + memInfo.getSlabSizeKb()); pw.print(" kB ("); 13895 pw.print(totalPss - cachedPss); pw.print(" used pss + "); 13896 pw.print(memInfo.getBuffersSizeKb()); pw.print(" buffers + "); 13897 pw.print(memInfo.getShmemSizeKb()); pw.print(" shmem + "); 13898 pw.print(memInfo.getSlabSizeKb()); pw.println(" slab)"); 13899 pw.print(" Lost RAM: "); pw.print(memInfo.getTotalSizeKb() 13900 - totalPss - memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb() 13901 - memInfo.getBuffersSizeKb() - memInfo.getShmemSizeKb() 13902 - memInfo.getSlabSizeKb()); pw.println(" kB"); 13903 } 13904 if (!brief) { 13905 if (memInfo.getZramTotalSizeKb() != 0) { 13906 if (!isCompact) { 13907 pw.print(" ZRAM: "); pw.print(memInfo.getZramTotalSizeKb()); 13908 pw.print(" kB physical used for "); 13909 pw.print(memInfo.getSwapTotalSizeKb() 13910 - memInfo.getSwapFreeSizeKb()); 13911 pw.print(" kB in swap ("); 13912 pw.print(memInfo.getSwapTotalSizeKb()); 13913 pw.println(" kB total swap)"); 13914 } else { 13915 pw.print("zram,"); pw.print(memInfo.getZramTotalSizeKb()); pw.print(","); 13916 pw.print(memInfo.getSwapTotalSizeKb()); pw.print(","); 13917 pw.println(memInfo.getSwapFreeSizeKb()); 13918 } 13919 } 13920 final int[] SINGLE_LONG_FORMAT = new int[] { 13921 Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG 13922 }; 13923 long[] longOut = new long[1]; 13924 Process.readProcFile("/sys/kernel/mm/ksm/pages_shared", 13925 SINGLE_LONG_FORMAT, null, longOut, null); 13926 long shared = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13927 longOut[0] = 0; 13928 Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing", 13929 SINGLE_LONG_FORMAT, null, longOut, null); 13930 long sharing = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13931 longOut[0] = 0; 13932 Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared", 13933 SINGLE_LONG_FORMAT, null, longOut, null); 13934 long unshared = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13935 longOut[0] = 0; 13936 Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile", 13937 SINGLE_LONG_FORMAT, null, longOut, null); 13938 long voltile = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13939 if (!isCompact) { 13940 if (sharing != 0 || shared != 0 || unshared != 0 || voltile != 0) { 13941 pw.print(" KSM: "); pw.print(sharing); 13942 pw.print(" kB saved from shared "); 13943 pw.print(shared); pw.println(" kB"); 13944 pw.print(" "); pw.print(unshared); pw.print(" kB unshared; "); 13945 pw.print(voltile); pw.println(" kB volatile"); 13946 } 13947 pw.print(" Tuning: "); 13948 pw.print(ActivityManager.staticGetMemoryClass()); 13949 pw.print(" (large "); 13950 pw.print(ActivityManager.staticGetLargeMemoryClass()); 13951 pw.print("), oom "); 13952 pw.print(mProcessList.getMemLevel(ProcessList.CACHED_APP_MAX_ADJ)/1024); 13953 pw.print(" kB"); 13954 pw.print(", restore limit "); 13955 pw.print(mProcessList.getCachedRestoreThresholdKb()); 13956 pw.print(" kB"); 13957 if (ActivityManager.isLowRamDeviceStatic()) { 13958 pw.print(" (low-ram)"); 13959 } 13960 if (ActivityManager.isHighEndGfx()) { 13961 pw.print(" (high-end-gfx)"); 13962 } 13963 pw.println(); 13964 } else { 13965 pw.print("ksm,"); pw.print(sharing); pw.print(","); 13966 pw.print(shared); pw.print(","); pw.print(unshared); pw.print(","); 13967 pw.println(voltile); 13968 pw.print("tuning,"); 13969 pw.print(ActivityManager.staticGetMemoryClass()); 13970 pw.print(','); 13971 pw.print(ActivityManager.staticGetLargeMemoryClass()); 13972 pw.print(','); 13973 pw.print(mProcessList.getMemLevel(ProcessList.CACHED_APP_MAX_ADJ)/1024); 13974 if (ActivityManager.isLowRamDeviceStatic()) { 13975 pw.print(",low-ram"); 13976 } 13977 if (ActivityManager.isHighEndGfx()) { 13978 pw.print(",high-end-gfx"); 13979 } 13980 pw.println(); 13981 } 13982 } 13983 } 13984 } 13985 13986 /** 13987 * Searches array of arguments for the specified string 13988 * @param args array of argument strings 13989 * @param value value to search for 13990 * @return true if the value is contained in the array 13991 */ 13992 private static boolean scanArgs(String[] args, String value) { 13993 if (args != null) { 13994 for (String arg : args) { 13995 if (value.equals(arg)) { 13996 return true; 13997 } 13998 } 13999 } 14000 return false; 14001 } 14002 14003 private final boolean removeDyingProviderLocked(ProcessRecord proc, 14004 ContentProviderRecord cpr, boolean always) { 14005 final boolean inLaunching = mLaunchingProviders.contains(cpr); 14006 14007 if (!inLaunching || always) { 14008 synchronized (cpr) { 14009 cpr.launchingApp = null; 14010 cpr.notifyAll(); 14011 } 14012 mProviderMap.removeProviderByClass(cpr.name, UserHandle.getUserId(cpr.uid)); 14013 String names[] = cpr.info.authority.split(";"); 14014 for (int j = 0; j < names.length; j++) { 14015 mProviderMap.removeProviderByName(names[j], UserHandle.getUserId(cpr.uid)); 14016 } 14017 } 14018 14019 for (int i=0; i<cpr.connections.size(); i++) { 14020 ContentProviderConnection conn = cpr.connections.get(i); 14021 if (conn.waiting) { 14022 // If this connection is waiting for the provider, then we don't 14023 // need to mess with its process unless we are always removing 14024 // or for some reason the provider is not currently launching. 14025 if (inLaunching && !always) { 14026 continue; 14027 } 14028 } 14029 ProcessRecord capp = conn.client; 14030 conn.dead = true; 14031 if (conn.stableCount > 0) { 14032 if (!capp.persistent && capp.thread != null 14033 && capp.pid != 0 14034 && capp.pid != MY_PID) { 14035 capp.kill("depends on provider " 14036 + cpr.name.flattenToShortString() 14037 + " in dying proc " + (proc != null ? proc.processName : "??"), true); 14038 } 14039 } else if (capp.thread != null && conn.provider.provider != null) { 14040 try { 14041 capp.thread.unstableProviderDied(conn.provider.provider.asBinder()); 14042 } catch (RemoteException e) { 14043 } 14044 // In the protocol here, we don't expect the client to correctly 14045 // clean up this connection, we'll just remove it. 14046 cpr.connections.remove(i); 14047 conn.client.conProviders.remove(conn); 14048 } 14049 } 14050 14051 if (inLaunching && always) { 14052 mLaunchingProviders.remove(cpr); 14053 } 14054 return inLaunching; 14055 } 14056 14057 /** 14058 * Main code for cleaning up a process when it has gone away. This is 14059 * called both as a result of the process dying, or directly when stopping 14060 * a process when running in single process mode. 14061 */ 14062 private final void cleanUpApplicationRecordLocked(ProcessRecord app, 14063 boolean restarting, boolean allowRestart, int index) { 14064 if (index >= 0) { 14065 removeLruProcessLocked(app); 14066 ProcessList.remove(app.pid); 14067 } 14068 14069 mProcessesToGc.remove(app); 14070 mPendingPssProcesses.remove(app); 14071 14072 // Dismiss any open dialogs. 14073 if (app.crashDialog != null && !app.forceCrashReport) { 14074 app.crashDialog.dismiss(); 14075 app.crashDialog = null; 14076 } 14077 if (app.anrDialog != null) { 14078 app.anrDialog.dismiss(); 14079 app.anrDialog = null; 14080 } 14081 if (app.waitDialog != null) { 14082 app.waitDialog.dismiss(); 14083 app.waitDialog = null; 14084 } 14085 14086 app.crashing = false; 14087 app.notResponding = false; 14088 14089 app.resetPackageList(mProcessStats); 14090 app.unlinkDeathRecipient(); 14091 app.makeInactive(mProcessStats); 14092 app.waitingToKill = null; 14093 app.forcingToForeground = null; 14094 updateProcessForegroundLocked(app, false, false); 14095 app.foregroundActivities = false; 14096 app.hasShownUi = false; 14097 app.treatLikeActivity = false; 14098 app.hasAboveClient = false; 14099 app.hasClientActivities = false; 14100 14101 mServices.killServicesLocked(app, allowRestart); 14102 14103 boolean restart = false; 14104 14105 // Remove published content providers. 14106 for (int i=app.pubProviders.size()-1; i>=0; i--) { 14107 ContentProviderRecord cpr = app.pubProviders.valueAt(i); 14108 final boolean always = app.bad || !allowRestart; 14109 if (removeDyingProviderLocked(app, cpr, always) || always) { 14110 // We left the provider in the launching list, need to 14111 // restart it. 14112 restart = true; 14113 } 14114 14115 cpr.provider = null; 14116 cpr.proc = null; 14117 } 14118 app.pubProviders.clear(); 14119 14120 // Take care of any launching providers waiting for this process. 14121 if (checkAppInLaunchingProvidersLocked(app, false)) { 14122 restart = true; 14123 } 14124 14125 // Unregister from connected content providers. 14126 if (!app.conProviders.isEmpty()) { 14127 for (int i=0; i<app.conProviders.size(); i++) { 14128 ContentProviderConnection conn = app.conProviders.get(i); 14129 conn.provider.connections.remove(conn); 14130 } 14131 app.conProviders.clear(); 14132 } 14133 14134 // At this point there may be remaining entries in mLaunchingProviders 14135 // where we were the only one waiting, so they are no longer of use. 14136 // Look for these and clean up if found. 14137 // XXX Commented out for now. Trying to figure out a way to reproduce 14138 // the actual situation to identify what is actually going on. 14139 if (false) { 14140 for (int i=0; i<mLaunchingProviders.size(); i++) { 14141 ContentProviderRecord cpr = (ContentProviderRecord) 14142 mLaunchingProviders.get(i); 14143 if (cpr.connections.size() <= 0 && !cpr.hasExternalProcessHandles()) { 14144 synchronized (cpr) { 14145 cpr.launchingApp = null; 14146 cpr.notifyAll(); 14147 } 14148 } 14149 } 14150 } 14151 14152 skipCurrentReceiverLocked(app); 14153 14154 // Unregister any receivers. 14155 for (int i=app.receivers.size()-1; i>=0; i--) { 14156 removeReceiverLocked(app.receivers.valueAt(i)); 14157 } 14158 app.receivers.clear(); 14159 14160 // If the app is undergoing backup, tell the backup manager about it 14161 if (mBackupTarget != null && app.pid == mBackupTarget.app.pid) { 14162 if (DEBUG_BACKUP || DEBUG_CLEANUP) Slog.d(TAG, "App " 14163 + mBackupTarget.appInfo + " died during backup"); 14164 try { 14165 IBackupManager bm = IBackupManager.Stub.asInterface( 14166 ServiceManager.getService(Context.BACKUP_SERVICE)); 14167 bm.agentDisconnected(app.info.packageName); 14168 } catch (RemoteException e) { 14169 // can't happen; backup manager is local 14170 } 14171 } 14172 14173 for (int i = mPendingProcessChanges.size()-1; i>=0; i--) { 14174 ProcessChangeItem item = mPendingProcessChanges.get(i); 14175 if (item.pid == app.pid) { 14176 mPendingProcessChanges.remove(i); 14177 mAvailProcessChanges.add(item); 14178 } 14179 } 14180 mHandler.obtainMessage(DISPATCH_PROCESS_DIED, app.pid, app.info.uid, null).sendToTarget(); 14181 14182 // If the caller is restarting this app, then leave it in its 14183 // current lists and let the caller take care of it. 14184 if (restarting) { 14185 return; 14186 } 14187 14188 if (!app.persistent || app.isolated) { 14189 if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, 14190 "Removing non-persistent process during cleanup: " + app); 14191 mProcessNames.remove(app.processName, app.uid); 14192 mIsolatedProcesses.remove(app.uid); 14193 if (mHeavyWeightProcess == app) { 14194 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 14195 mHeavyWeightProcess.userId, 0)); 14196 mHeavyWeightProcess = null; 14197 } 14198 } else if (!app.removed) { 14199 // This app is persistent, so we need to keep its record around. 14200 // If it is not already on the pending app list, add it there 14201 // and start a new process for it. 14202 if (mPersistentStartingProcesses.indexOf(app) < 0) { 14203 mPersistentStartingProcesses.add(app); 14204 restart = true; 14205 } 14206 } 14207 if ((DEBUG_PROCESSES || DEBUG_CLEANUP) && mProcessesOnHold.contains(app)) Slog.v(TAG, 14208 "Clean-up removing on hold: " + app); 14209 mProcessesOnHold.remove(app); 14210 14211 if (app == mHomeProcess) { 14212 mHomeProcess = null; 14213 } 14214 if (app == mPreviousProcess) { 14215 mPreviousProcess = null; 14216 } 14217 14218 if (restart && !app.isolated) { 14219 // We have components that still need to be running in the 14220 // process, so re-launch it. 14221 mProcessNames.put(app.processName, app.uid, app); 14222 startProcessLocked(app, "restart", app.processName); 14223 } else if (app.pid > 0 && app.pid != MY_PID) { 14224 // Goodbye! 14225 boolean removed; 14226 synchronized (mPidsSelfLocked) { 14227 mPidsSelfLocked.remove(app.pid); 14228 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 14229 } 14230 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 14231 if (app.isolated) { 14232 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 14233 } 14234 app.setPid(0); 14235 } 14236 } 14237 14238 boolean checkAppInLaunchingProvidersLocked(ProcessRecord app, boolean alwaysBad) { 14239 // Look through the content providers we are waiting to have launched, 14240 // and if any run in this process then either schedule a restart of 14241 // the process or kill the client waiting for it if this process has 14242 // gone bad. 14243 int NL = mLaunchingProviders.size(); 14244 boolean restart = false; 14245 for (int i=0; i<NL; i++) { 14246 ContentProviderRecord cpr = mLaunchingProviders.get(i); 14247 if (cpr.launchingApp == app) { 14248 if (!alwaysBad && !app.bad) { 14249 restart = true; 14250 } else { 14251 removeDyingProviderLocked(app, cpr, true); 14252 // cpr should have been removed from mLaunchingProviders 14253 NL = mLaunchingProviders.size(); 14254 i--; 14255 } 14256 } 14257 } 14258 return restart; 14259 } 14260 14261 // ========================================================= 14262 // SERVICES 14263 // ========================================================= 14264 14265 @Override 14266 public List<ActivityManager.RunningServiceInfo> getServices(int maxNum, 14267 int flags) { 14268 enforceNotIsolatedCaller("getServices"); 14269 synchronized (this) { 14270 return mServices.getRunningServiceInfoLocked(maxNum, flags); 14271 } 14272 } 14273 14274 @Override 14275 public PendingIntent getRunningServiceControlPanel(ComponentName name) { 14276 enforceNotIsolatedCaller("getRunningServiceControlPanel"); 14277 synchronized (this) { 14278 return mServices.getRunningServiceControlPanelLocked(name); 14279 } 14280 } 14281 14282 @Override 14283 public ComponentName startService(IApplicationThread caller, Intent service, 14284 String resolvedType, int userId) { 14285 enforceNotIsolatedCaller("startService"); 14286 // Refuse possible leaked file descriptors 14287 if (service != null && service.hasFileDescriptors() == true) { 14288 throw new IllegalArgumentException("File descriptors passed in Intent"); 14289 } 14290 14291 if (DEBUG_SERVICE) 14292 Slog.v(TAG, "startService: " + service + " type=" + resolvedType); 14293 synchronized(this) { 14294 final int callingPid = Binder.getCallingPid(); 14295 final int callingUid = Binder.getCallingUid(); 14296 final long origId = Binder.clearCallingIdentity(); 14297 ComponentName res = mServices.startServiceLocked(caller, service, 14298 resolvedType, callingPid, callingUid, userId); 14299 Binder.restoreCallingIdentity(origId); 14300 return res; 14301 } 14302 } 14303 14304 ComponentName startServiceInPackage(int uid, 14305 Intent service, String resolvedType, int userId) { 14306 synchronized(this) { 14307 if (DEBUG_SERVICE) 14308 Slog.v(TAG, "startServiceInPackage: " + service + " type=" + resolvedType); 14309 final long origId = Binder.clearCallingIdentity(); 14310 ComponentName res = mServices.startServiceLocked(null, service, 14311 resolvedType, -1, uid, userId); 14312 Binder.restoreCallingIdentity(origId); 14313 return res; 14314 } 14315 } 14316 14317 @Override 14318 public int stopService(IApplicationThread caller, Intent service, 14319 String resolvedType, int userId) { 14320 enforceNotIsolatedCaller("stopService"); 14321 // Refuse possible leaked file descriptors 14322 if (service != null && service.hasFileDescriptors() == true) { 14323 throw new IllegalArgumentException("File descriptors passed in Intent"); 14324 } 14325 14326 synchronized(this) { 14327 return mServices.stopServiceLocked(caller, service, resolvedType, userId); 14328 } 14329 } 14330 14331 @Override 14332 public IBinder peekService(Intent service, String resolvedType) { 14333 enforceNotIsolatedCaller("peekService"); 14334 // Refuse possible leaked file descriptors 14335 if (service != null && service.hasFileDescriptors() == true) { 14336 throw new IllegalArgumentException("File descriptors passed in Intent"); 14337 } 14338 synchronized(this) { 14339 return mServices.peekServiceLocked(service, resolvedType); 14340 } 14341 } 14342 14343 @Override 14344 public boolean stopServiceToken(ComponentName className, IBinder token, 14345 int startId) { 14346 synchronized(this) { 14347 return mServices.stopServiceTokenLocked(className, token, startId); 14348 } 14349 } 14350 14351 @Override 14352 public void setServiceForeground(ComponentName className, IBinder token, 14353 int id, Notification notification, boolean removeNotification) { 14354 synchronized(this) { 14355 mServices.setServiceForegroundLocked(className, token, id, notification, 14356 removeNotification); 14357 } 14358 } 14359 14360 @Override 14361 public int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, 14362 boolean requireFull, String name, String callerPackage) { 14363 return handleIncomingUser(callingPid, callingUid, userId, allowAll, 14364 requireFull ? ALLOW_FULL_ONLY : ALLOW_NON_FULL, name, callerPackage); 14365 } 14366 14367 int unsafeConvertIncomingUser(int userId) { 14368 return (userId == UserHandle.USER_CURRENT || userId == UserHandle.USER_CURRENT_OR_SELF) 14369 ? mCurrentUserId : userId; 14370 } 14371 14372 int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, 14373 int allowMode, String name, String callerPackage) { 14374 final int callingUserId = UserHandle.getUserId(callingUid); 14375 if (callingUserId == userId) { 14376 return userId; 14377 } 14378 14379 // Note that we may be accessing mCurrentUserId outside of a lock... 14380 // shouldn't be a big deal, if this is being called outside 14381 // of a locked context there is intrinsically a race with 14382 // the value the caller will receive and someone else changing it. 14383 // We assume that USER_CURRENT_OR_SELF will use the current user; later 14384 // we will switch to the calling user if access to the current user fails. 14385 int targetUserId = unsafeConvertIncomingUser(userId); 14386 14387 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 14388 final boolean allow; 14389 if (checkComponentPermission(INTERACT_ACROSS_USERS_FULL, callingPid, 14390 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED) { 14391 // If the caller has this permission, they always pass go. And collect $200. 14392 allow = true; 14393 } else if (allowMode == ALLOW_FULL_ONLY) { 14394 // We require full access, sucks to be you. 14395 allow = false; 14396 } else if (checkComponentPermission(INTERACT_ACROSS_USERS, callingPid, 14397 callingUid, -1, true) != PackageManager.PERMISSION_GRANTED) { 14398 // If the caller does not have either permission, they are always doomed. 14399 allow = false; 14400 } else if (allowMode == ALLOW_NON_FULL) { 14401 // We are blanket allowing non-full access, you lucky caller! 14402 allow = true; 14403 } else if (allowMode == ALLOW_NON_FULL_IN_PROFILE) { 14404 // We may or may not allow this depending on whether the two users are 14405 // in the same profile. 14406 synchronized (mUserProfileGroupIdsSelfLocked) { 14407 int callingProfile = mUserProfileGroupIdsSelfLocked.get(callingUserId, 14408 UserInfo.NO_PROFILE_GROUP_ID); 14409 int targetProfile = mUserProfileGroupIdsSelfLocked.get(targetUserId, 14410 UserInfo.NO_PROFILE_GROUP_ID); 14411 allow = callingProfile != UserInfo.NO_PROFILE_GROUP_ID 14412 && callingProfile == targetProfile; 14413 } 14414 } else { 14415 throw new IllegalArgumentException("Unknown mode: " + allowMode); 14416 } 14417 if (!allow) { 14418 if (userId == UserHandle.USER_CURRENT_OR_SELF) { 14419 // In this case, they would like to just execute as their 14420 // owner user instead of failing. 14421 targetUserId = callingUserId; 14422 } else { 14423 StringBuilder builder = new StringBuilder(128); 14424 builder.append("Permission Denial: "); 14425 builder.append(name); 14426 if (callerPackage != null) { 14427 builder.append(" from "); 14428 builder.append(callerPackage); 14429 } 14430 builder.append(" asks to run as user "); 14431 builder.append(userId); 14432 builder.append(" but is calling from user "); 14433 builder.append(UserHandle.getUserId(callingUid)); 14434 builder.append("; this requires "); 14435 builder.append(INTERACT_ACROSS_USERS_FULL); 14436 if (allowMode != ALLOW_FULL_ONLY) { 14437 builder.append(" or "); 14438 builder.append(INTERACT_ACROSS_USERS); 14439 } 14440 String msg = builder.toString(); 14441 Slog.w(TAG, msg); 14442 throw new SecurityException(msg); 14443 } 14444 } 14445 } 14446 if (!allowAll && targetUserId < 0) { 14447 throw new IllegalArgumentException( 14448 "Call does not support special user #" + targetUserId); 14449 } 14450 return targetUserId; 14451 } 14452 14453 boolean isSingleton(String componentProcessName, ApplicationInfo aInfo, 14454 String className, int flags) { 14455 boolean result = false; 14456 // For apps that don't have pre-defined UIDs, check for permission 14457 if (UserHandle.getAppId(aInfo.uid) >= Process.FIRST_APPLICATION_UID) { 14458 if ((flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 14459 if (ActivityManager.checkUidPermission( 14460 INTERACT_ACROSS_USERS, 14461 aInfo.uid) != PackageManager.PERMISSION_GRANTED) { 14462 ComponentName comp = new ComponentName(aInfo.packageName, className); 14463 String msg = "Permission Denial: Component " + comp.flattenToShortString() 14464 + " requests FLAG_SINGLE_USER, but app does not hold " 14465 + INTERACT_ACROSS_USERS; 14466 Slog.w(TAG, msg); 14467 throw new SecurityException(msg); 14468 } 14469 // Permission passed 14470 result = true; 14471 } 14472 } else if ("system".equals(componentProcessName)) { 14473 result = true; 14474 } else if (UserHandle.isSameApp(aInfo.uid, Process.PHONE_UID) 14475 && (flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 14476 // Phone app is allowed to export singleuser providers. 14477 result = true; 14478 } else { 14479 // App with pre-defined UID, check if it's a persistent app 14480 result = (aInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0; 14481 } 14482 if (DEBUG_MU) { 14483 Slog.v(TAG, "isSingleton(" + componentProcessName + ", " + aInfo 14484 + ", " + className + ", 0x" + Integer.toHexString(flags) + ") = " + result); 14485 } 14486 return result; 14487 } 14488 14489 /** 14490 * Checks to see if the caller is in the same app as the singleton 14491 * component, or the component is in a special app. It allows special apps 14492 * to export singleton components but prevents exporting singleton 14493 * components for regular apps. 14494 */ 14495 boolean isValidSingletonCall(int callingUid, int componentUid) { 14496 int componentAppId = UserHandle.getAppId(componentUid); 14497 return UserHandle.isSameApp(callingUid, componentUid) 14498 || componentAppId == Process.SYSTEM_UID 14499 || componentAppId == Process.PHONE_UID 14500 || ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, componentUid) 14501 == PackageManager.PERMISSION_GRANTED; 14502 } 14503 14504 public int bindService(IApplicationThread caller, IBinder token, 14505 Intent service, String resolvedType, 14506 IServiceConnection connection, int flags, int userId) { 14507 enforceNotIsolatedCaller("bindService"); 14508 // Refuse possible leaked file descriptors 14509 if (service != null && service.hasFileDescriptors() == true) { 14510 throw new IllegalArgumentException("File descriptors passed in Intent"); 14511 } 14512 14513 synchronized(this) { 14514 return mServices.bindServiceLocked(caller, token, service, resolvedType, 14515 connection, flags, userId); 14516 } 14517 } 14518 14519 public boolean unbindService(IServiceConnection connection) { 14520 synchronized (this) { 14521 return mServices.unbindServiceLocked(connection); 14522 } 14523 } 14524 14525 public void publishService(IBinder token, Intent intent, IBinder service) { 14526 // Refuse possible leaked file descriptors 14527 if (intent != null && intent.hasFileDescriptors() == true) { 14528 throw new IllegalArgumentException("File descriptors passed in Intent"); 14529 } 14530 14531 synchronized(this) { 14532 if (!(token instanceof ServiceRecord)) { 14533 throw new IllegalArgumentException("Invalid service token"); 14534 } 14535 mServices.publishServiceLocked((ServiceRecord)token, intent, service); 14536 } 14537 } 14538 14539 public void unbindFinished(IBinder token, Intent intent, boolean doRebind) { 14540 // Refuse possible leaked file descriptors 14541 if (intent != null && intent.hasFileDescriptors() == true) { 14542 throw new IllegalArgumentException("File descriptors passed in Intent"); 14543 } 14544 14545 synchronized(this) { 14546 mServices.unbindFinishedLocked((ServiceRecord)token, intent, doRebind); 14547 } 14548 } 14549 14550 public void serviceDoneExecuting(IBinder token, int type, int startId, int res) { 14551 synchronized(this) { 14552 if (!(token instanceof ServiceRecord)) { 14553 throw new IllegalArgumentException("Invalid service token"); 14554 } 14555 mServices.serviceDoneExecutingLocked((ServiceRecord)token, type, startId, res); 14556 } 14557 } 14558 14559 // ========================================================= 14560 // BACKUP AND RESTORE 14561 // ========================================================= 14562 14563 // Cause the target app to be launched if necessary and its backup agent 14564 // instantiated. The backup agent will invoke backupAgentCreated() on the 14565 // activity manager to announce its creation. 14566 public boolean bindBackupAgent(ApplicationInfo app, int backupMode) { 14567 if (DEBUG_BACKUP) Slog.v(TAG, "bindBackupAgent: app=" + app + " mode=" + backupMode); 14568 enforceCallingPermission("android.permission.CONFIRM_FULL_BACKUP", "bindBackupAgent"); 14569 14570 synchronized(this) { 14571 // !!! TODO: currently no check here that we're already bound 14572 BatteryStatsImpl.Uid.Pkg.Serv ss = null; 14573 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 14574 synchronized (stats) { 14575 ss = stats.getServiceStatsLocked(app.uid, app.packageName, app.name); 14576 } 14577 14578 // Backup agent is now in use, its package can't be stopped. 14579 try { 14580 AppGlobals.getPackageManager().setPackageStoppedState( 14581 app.packageName, false, UserHandle.getUserId(app.uid)); 14582 } catch (RemoteException e) { 14583 } catch (IllegalArgumentException e) { 14584 Slog.w(TAG, "Failed trying to unstop package " 14585 + app.packageName + ": " + e); 14586 } 14587 14588 BackupRecord r = new BackupRecord(ss, app, backupMode); 14589 ComponentName hostingName = (backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) 14590 ? new ComponentName(app.packageName, app.backupAgentName) 14591 : new ComponentName("android", "FullBackupAgent"); 14592 // startProcessLocked() returns existing proc's record if it's already running 14593 ProcessRecord proc = startProcessLocked(app.processName, app, 14594 false, 0, "backup", hostingName, false, false, false); 14595 if (proc == null) { 14596 Slog.e(TAG, "Unable to start backup agent process " + r); 14597 return false; 14598 } 14599 14600 r.app = proc; 14601 mBackupTarget = r; 14602 mBackupAppName = app.packageName; 14603 14604 // Try not to kill the process during backup 14605 updateOomAdjLocked(proc); 14606 14607 // If the process is already attached, schedule the creation of the backup agent now. 14608 // If it is not yet live, this will be done when it attaches to the framework. 14609 if (proc.thread != null) { 14610 if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc already running: " + proc); 14611 try { 14612 proc.thread.scheduleCreateBackupAgent(app, 14613 compatibilityInfoForPackageLocked(app), backupMode); 14614 } catch (RemoteException e) { 14615 // Will time out on the backup manager side 14616 } 14617 } else { 14618 if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc not running, waiting for attach"); 14619 } 14620 // Invariants: at this point, the target app process exists and the application 14621 // is either already running or in the process of coming up. mBackupTarget and 14622 // mBackupAppName describe the app, so that when it binds back to the AM we 14623 // know that it's scheduled for a backup-agent operation. 14624 } 14625 14626 return true; 14627 } 14628 14629 @Override 14630 public void clearPendingBackup() { 14631 if (DEBUG_BACKUP) Slog.v(TAG, "clearPendingBackup"); 14632 enforceCallingPermission("android.permission.BACKUP", "clearPendingBackup"); 14633 14634 synchronized (this) { 14635 mBackupTarget = null; 14636 mBackupAppName = null; 14637 } 14638 } 14639 14640 // A backup agent has just come up 14641 public void backupAgentCreated(String agentPackageName, IBinder agent) { 14642 if (DEBUG_BACKUP) Slog.v(TAG, "backupAgentCreated: " + agentPackageName 14643 + " = " + agent); 14644 14645 synchronized(this) { 14646 if (!agentPackageName.equals(mBackupAppName)) { 14647 Slog.e(TAG, "Backup agent created for " + agentPackageName + " but not requested!"); 14648 return; 14649 } 14650 } 14651 14652 long oldIdent = Binder.clearCallingIdentity(); 14653 try { 14654 IBackupManager bm = IBackupManager.Stub.asInterface( 14655 ServiceManager.getService(Context.BACKUP_SERVICE)); 14656 bm.agentConnected(agentPackageName, agent); 14657 } catch (RemoteException e) { 14658 // can't happen; the backup manager service is local 14659 } catch (Exception e) { 14660 Slog.w(TAG, "Exception trying to deliver BackupAgent binding: "); 14661 e.printStackTrace(); 14662 } finally { 14663 Binder.restoreCallingIdentity(oldIdent); 14664 } 14665 } 14666 14667 // done with this agent 14668 public void unbindBackupAgent(ApplicationInfo appInfo) { 14669 if (DEBUG_BACKUP) Slog.v(TAG, "unbindBackupAgent: " + appInfo); 14670 if (appInfo == null) { 14671 Slog.w(TAG, "unbind backup agent for null app"); 14672 return; 14673 } 14674 14675 synchronized(this) { 14676 try { 14677 if (mBackupAppName == null) { 14678 Slog.w(TAG, "Unbinding backup agent with no active backup"); 14679 return; 14680 } 14681 14682 if (!mBackupAppName.equals(appInfo.packageName)) { 14683 Slog.e(TAG, "Unbind of " + appInfo + " but is not the current backup target"); 14684 return; 14685 } 14686 14687 // Not backing this app up any more; reset its OOM adjustment 14688 final ProcessRecord proc = mBackupTarget.app; 14689 updateOomAdjLocked(proc); 14690 14691 // If the app crashed during backup, 'thread' will be null here 14692 if (proc.thread != null) { 14693 try { 14694 proc.thread.scheduleDestroyBackupAgent(appInfo, 14695 compatibilityInfoForPackageLocked(appInfo)); 14696 } catch (Exception e) { 14697 Slog.e(TAG, "Exception when unbinding backup agent:"); 14698 e.printStackTrace(); 14699 } 14700 } 14701 } finally { 14702 mBackupTarget = null; 14703 mBackupAppName = null; 14704 } 14705 } 14706 } 14707 // ========================================================= 14708 // BROADCASTS 14709 // ========================================================= 14710 14711 private final List getStickiesLocked(String action, IntentFilter filter, 14712 List cur, int userId) { 14713 final ContentResolver resolver = mContext.getContentResolver(); 14714 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 14715 if (stickies == null) { 14716 return cur; 14717 } 14718 final ArrayList<Intent> list = stickies.get(action); 14719 if (list == null) { 14720 return cur; 14721 } 14722 int N = list.size(); 14723 for (int i=0; i<N; i++) { 14724 Intent intent = list.get(i); 14725 if (filter.match(resolver, intent, true, TAG) >= 0) { 14726 if (cur == null) { 14727 cur = new ArrayList<Intent>(); 14728 } 14729 cur.add(intent); 14730 } 14731 } 14732 return cur; 14733 } 14734 14735 boolean isPendingBroadcastProcessLocked(int pid) { 14736 return mFgBroadcastQueue.isPendingBroadcastProcessLocked(pid) 14737 || mBgBroadcastQueue.isPendingBroadcastProcessLocked(pid); 14738 } 14739 14740 void skipPendingBroadcastLocked(int pid) { 14741 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); 14742 for (BroadcastQueue queue : mBroadcastQueues) { 14743 queue.skipPendingBroadcastLocked(pid); 14744 } 14745 } 14746 14747 // The app just attached; send any pending broadcasts that it should receive 14748 boolean sendPendingBroadcastsLocked(ProcessRecord app) { 14749 boolean didSomething = false; 14750 for (BroadcastQueue queue : mBroadcastQueues) { 14751 didSomething |= queue.sendPendingBroadcastsLocked(app); 14752 } 14753 return didSomething; 14754 } 14755 14756 public Intent registerReceiver(IApplicationThread caller, String callerPackage, 14757 IIntentReceiver receiver, IntentFilter filter, String permission, int userId) { 14758 enforceNotIsolatedCaller("registerReceiver"); 14759 int callingUid; 14760 int callingPid; 14761 synchronized(this) { 14762 ProcessRecord callerApp = null; 14763 if (caller != null) { 14764 callerApp = getRecordForAppLocked(caller); 14765 if (callerApp == null) { 14766 throw new SecurityException( 14767 "Unable to find app for caller " + caller 14768 + " (pid=" + Binder.getCallingPid() 14769 + ") when registering receiver " + receiver); 14770 } 14771 if (callerApp.info.uid != Process.SYSTEM_UID && 14772 !callerApp.pkgList.containsKey(callerPackage) && 14773 !"android".equals(callerPackage)) { 14774 throw new SecurityException("Given caller package " + callerPackage 14775 + " is not running in process " + callerApp); 14776 } 14777 callingUid = callerApp.info.uid; 14778 callingPid = callerApp.pid; 14779 } else { 14780 callerPackage = null; 14781 callingUid = Binder.getCallingUid(); 14782 callingPid = Binder.getCallingPid(); 14783 } 14784 14785 userId = this.handleIncomingUser(callingPid, callingUid, userId, 14786 true, ALLOW_FULL_ONLY, "registerReceiver", callerPackage); 14787 14788 List allSticky = null; 14789 14790 // Look for any matching sticky broadcasts... 14791 Iterator actions = filter.actionsIterator(); 14792 if (actions != null) { 14793 while (actions.hasNext()) { 14794 String action = (String)actions.next(); 14795 allSticky = getStickiesLocked(action, filter, allSticky, 14796 UserHandle.USER_ALL); 14797 allSticky = getStickiesLocked(action, filter, allSticky, 14798 UserHandle.getUserId(callingUid)); 14799 } 14800 } else { 14801 allSticky = getStickiesLocked(null, filter, allSticky, 14802 UserHandle.USER_ALL); 14803 allSticky = getStickiesLocked(null, filter, allSticky, 14804 UserHandle.getUserId(callingUid)); 14805 } 14806 14807 // The first sticky in the list is returned directly back to 14808 // the client. 14809 Intent sticky = allSticky != null ? (Intent)allSticky.get(0) : null; 14810 14811 if (DEBUG_BROADCAST) Slog.v(TAG, "Register receiver " + filter 14812 + ": " + sticky); 14813 14814 if (receiver == null) { 14815 return sticky; 14816 } 14817 14818 ReceiverList rl 14819 = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); 14820 if (rl == null) { 14821 rl = new ReceiverList(this, callerApp, callingPid, callingUid, 14822 userId, receiver); 14823 if (rl.app != null) { 14824 rl.app.receivers.add(rl); 14825 } else { 14826 try { 14827 receiver.asBinder().linkToDeath(rl, 0); 14828 } catch (RemoteException e) { 14829 return sticky; 14830 } 14831 rl.linkedToDeath = true; 14832 } 14833 mRegisteredReceivers.put(receiver.asBinder(), rl); 14834 } else if (rl.uid != callingUid) { 14835 throw new IllegalArgumentException( 14836 "Receiver requested to register for uid " + callingUid 14837 + " was previously registered for uid " + rl.uid); 14838 } else if (rl.pid != callingPid) { 14839 throw new IllegalArgumentException( 14840 "Receiver requested to register for pid " + callingPid 14841 + " was previously registered for pid " + rl.pid); 14842 } else if (rl.userId != userId) { 14843 throw new IllegalArgumentException( 14844 "Receiver requested to register for user " + userId 14845 + " was previously registered for user " + rl.userId); 14846 } 14847 BroadcastFilter bf = new BroadcastFilter(filter, rl, callerPackage, 14848 permission, callingUid, userId); 14849 rl.add(bf); 14850 if (!bf.debugCheck()) { 14851 Slog.w(TAG, "==> For Dynamic broadast"); 14852 } 14853 mReceiverResolver.addFilter(bf); 14854 14855 // Enqueue broadcasts for all existing stickies that match 14856 // this filter. 14857 if (allSticky != null) { 14858 ArrayList receivers = new ArrayList(); 14859 receivers.add(bf); 14860 14861 int N = allSticky.size(); 14862 for (int i=0; i<N; i++) { 14863 Intent intent = (Intent)allSticky.get(i); 14864 BroadcastQueue queue = broadcastQueueForIntent(intent); 14865 BroadcastRecord r = new BroadcastRecord(queue, intent, null, 14866 null, -1, -1, null, null, AppOpsManager.OP_NONE, receivers, null, 0, 14867 null, null, false, true, true, -1); 14868 queue.enqueueParallelBroadcastLocked(r); 14869 queue.scheduleBroadcastsLocked(); 14870 } 14871 } 14872 14873 return sticky; 14874 } 14875 } 14876 14877 public void unregisterReceiver(IIntentReceiver receiver) { 14878 if (DEBUG_BROADCAST) Slog.v(TAG, "Unregister receiver: " + receiver); 14879 14880 final long origId = Binder.clearCallingIdentity(); 14881 try { 14882 boolean doTrim = false; 14883 14884 synchronized(this) { 14885 ReceiverList rl = mRegisteredReceivers.get(receiver.asBinder()); 14886 if (rl != null) { 14887 if (rl.curBroadcast != null) { 14888 BroadcastRecord r = rl.curBroadcast; 14889 final boolean doNext = finishReceiverLocked( 14890 receiver.asBinder(), r.resultCode, r.resultData, 14891 r.resultExtras, r.resultAbort); 14892 if (doNext) { 14893 doTrim = true; 14894 r.queue.processNextBroadcast(false); 14895 } 14896 } 14897 14898 if (rl.app != null) { 14899 rl.app.receivers.remove(rl); 14900 } 14901 removeReceiverLocked(rl); 14902 if (rl.linkedToDeath) { 14903 rl.linkedToDeath = false; 14904 rl.receiver.asBinder().unlinkToDeath(rl, 0); 14905 } 14906 } 14907 } 14908 14909 // If we actually concluded any broadcasts, we might now be able 14910 // to trim the recipients' apps from our working set 14911 if (doTrim) { 14912 trimApplications(); 14913 return; 14914 } 14915 14916 } finally { 14917 Binder.restoreCallingIdentity(origId); 14918 } 14919 } 14920 14921 void removeReceiverLocked(ReceiverList rl) { 14922 mRegisteredReceivers.remove(rl.receiver.asBinder()); 14923 int N = rl.size(); 14924 for (int i=0; i<N; i++) { 14925 mReceiverResolver.removeFilter(rl.get(i)); 14926 } 14927 } 14928 14929 private final void sendPackageBroadcastLocked(int cmd, String[] packages, int userId) { 14930 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 14931 ProcessRecord r = mLruProcesses.get(i); 14932 if (r.thread != null && (userId == UserHandle.USER_ALL || r.userId == userId)) { 14933 try { 14934 r.thread.dispatchPackageBroadcast(cmd, packages); 14935 } catch (RemoteException ex) { 14936 } 14937 } 14938 } 14939 } 14940 14941 private List<ResolveInfo> collectReceiverComponents(Intent intent, String resolvedType, 14942 int[] users) { 14943 List<ResolveInfo> receivers = null; 14944 try { 14945 HashSet<ComponentName> singleUserReceivers = null; 14946 boolean scannedFirstReceivers = false; 14947 for (int user : users) { 14948 List<ResolveInfo> newReceivers = AppGlobals.getPackageManager() 14949 .queryIntentReceivers(intent, resolvedType, STOCK_PM_FLAGS, user); 14950 if (user != 0 && newReceivers != null) { 14951 // If this is not the primary user, we need to check for 14952 // any receivers that should be filtered out. 14953 for (int i=0; i<newReceivers.size(); i++) { 14954 ResolveInfo ri = newReceivers.get(i); 14955 if ((ri.activityInfo.flags&ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 14956 newReceivers.remove(i); 14957 i--; 14958 } 14959 } 14960 } 14961 if (newReceivers != null && newReceivers.size() == 0) { 14962 newReceivers = null; 14963 } 14964 if (receivers == null) { 14965 receivers = newReceivers; 14966 } else if (newReceivers != null) { 14967 // We need to concatenate the additional receivers 14968 // found with what we have do far. This would be easy, 14969 // but we also need to de-dup any receivers that are 14970 // singleUser. 14971 if (!scannedFirstReceivers) { 14972 // Collect any single user receivers we had already retrieved. 14973 scannedFirstReceivers = true; 14974 for (int i=0; i<receivers.size(); i++) { 14975 ResolveInfo ri = receivers.get(i); 14976 if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 14977 ComponentName cn = new ComponentName( 14978 ri.activityInfo.packageName, ri.activityInfo.name); 14979 if (singleUserReceivers == null) { 14980 singleUserReceivers = new HashSet<ComponentName>(); 14981 } 14982 singleUserReceivers.add(cn); 14983 } 14984 } 14985 } 14986 // Add the new results to the existing results, tracking 14987 // and de-dupping single user receivers. 14988 for (int i=0; i<newReceivers.size(); i++) { 14989 ResolveInfo ri = newReceivers.get(i); 14990 if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 14991 ComponentName cn = new ComponentName( 14992 ri.activityInfo.packageName, ri.activityInfo.name); 14993 if (singleUserReceivers == null) { 14994 singleUserReceivers = new HashSet<ComponentName>(); 14995 } 14996 if (!singleUserReceivers.contains(cn)) { 14997 singleUserReceivers.add(cn); 14998 receivers.add(ri); 14999 } 15000 } else { 15001 receivers.add(ri); 15002 } 15003 } 15004 } 15005 } 15006 } catch (RemoteException ex) { 15007 // pm is in same process, this will never happen. 15008 } 15009 return receivers; 15010 } 15011 15012 private final int broadcastIntentLocked(ProcessRecord callerApp, 15013 String callerPackage, Intent intent, String resolvedType, 15014 IIntentReceiver resultTo, int resultCode, String resultData, 15015 Bundle map, String requiredPermission, int appOp, 15016 boolean ordered, boolean sticky, int callingPid, int callingUid, 15017 int userId) { 15018 intent = new Intent(intent); 15019 15020 // By default broadcasts do not go to stopped apps. 15021 intent.addFlags(Intent.FLAG_EXCLUDE_STOPPED_PACKAGES); 15022 15023 if (DEBUG_BROADCAST_LIGHT) Slog.v( 15024 TAG, (sticky ? "Broadcast sticky: ": "Broadcast: ") + intent 15025 + " ordered=" + ordered + " userid=" + userId); 15026 if ((resultTo != null) && !ordered) { 15027 Slog.w(TAG, "Broadcast " + intent + " not ordered but result callback requested!"); 15028 } 15029 15030 userId = handleIncomingUser(callingPid, callingUid, userId, 15031 true, ALLOW_NON_FULL, "broadcast", callerPackage); 15032 15033 // Make sure that the user who is receiving this broadcast is started. 15034 // If not, we will just skip it. 15035 15036 15037 if (userId != UserHandle.USER_ALL && mStartedUsers.get(userId) == null) { 15038 if (callingUid != Process.SYSTEM_UID || (intent.getFlags() 15039 & Intent.FLAG_RECEIVER_BOOT_UPGRADE) == 0) { 15040 Slog.w(TAG, "Skipping broadcast of " + intent 15041 + ": user " + userId + " is stopped"); 15042 return ActivityManager.BROADCAST_SUCCESS; 15043 } 15044 } 15045 15046 /* 15047 * Prevent non-system code (defined here to be non-persistent 15048 * processes) from sending protected broadcasts. 15049 */ 15050 int callingAppId = UserHandle.getAppId(callingUid); 15051 if (callingAppId == Process.SYSTEM_UID || callingAppId == Process.PHONE_UID 15052 || callingAppId == Process.SHELL_UID || callingAppId == Process.BLUETOOTH_UID 15053 || callingAppId == Process.NFC_UID || callingUid == 0) { 15054 // Always okay. 15055 } else if (callerApp == null || !callerApp.persistent) { 15056 try { 15057 if (AppGlobals.getPackageManager().isProtectedBroadcast( 15058 intent.getAction())) { 15059 String msg = "Permission Denial: not allowed to send broadcast " 15060 + intent.getAction() + " from pid=" 15061 + callingPid + ", uid=" + callingUid; 15062 Slog.w(TAG, msg); 15063 throw new SecurityException(msg); 15064 } else if (AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(intent.getAction())) { 15065 // Special case for compatibility: we don't want apps to send this, 15066 // but historically it has not been protected and apps may be using it 15067 // to poke their own app widget. So, instead of making it protected, 15068 // just limit it to the caller. 15069 if (callerApp == null) { 15070 String msg = "Permission Denial: not allowed to send broadcast " 15071 + intent.getAction() + " from unknown caller."; 15072 Slog.w(TAG, msg); 15073 throw new SecurityException(msg); 15074 } else if (intent.getComponent() != null) { 15075 // They are good enough to send to an explicit component... verify 15076 // it is being sent to the calling app. 15077 if (!intent.getComponent().getPackageName().equals( 15078 callerApp.info.packageName)) { 15079 String msg = "Permission Denial: not allowed to send broadcast " 15080 + intent.getAction() + " to " 15081 + intent.getComponent().getPackageName() + " from " 15082 + callerApp.info.packageName; 15083 Slog.w(TAG, msg); 15084 throw new SecurityException(msg); 15085 } 15086 } else { 15087 // Limit broadcast to their own package. 15088 intent.setPackage(callerApp.info.packageName); 15089 } 15090 } 15091 } catch (RemoteException e) { 15092 Slog.w(TAG, "Remote exception", e); 15093 return ActivityManager.BROADCAST_SUCCESS; 15094 } 15095 } 15096 15097 // Handle special intents: if this broadcast is from the package 15098 // manager about a package being removed, we need to remove all of 15099 // its activities from the history stack. 15100 final boolean uidRemoved = Intent.ACTION_UID_REMOVED.equals( 15101 intent.getAction()); 15102 if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction()) 15103 || Intent.ACTION_PACKAGE_CHANGED.equals(intent.getAction()) 15104 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction()) 15105 || Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(intent.getAction()) 15106 || uidRemoved) { 15107 if (checkComponentPermission( 15108 android.Manifest.permission.BROADCAST_PACKAGE_REMOVED, 15109 callingPid, callingUid, -1, true) 15110 == PackageManager.PERMISSION_GRANTED) { 15111 if (uidRemoved) { 15112 final Bundle intentExtras = intent.getExtras(); 15113 final int uid = intentExtras != null 15114 ? intentExtras.getInt(Intent.EXTRA_UID) : -1; 15115 if (uid >= 0) { 15116 BatteryStatsImpl bs = mBatteryStatsService.getActiveStatistics(); 15117 synchronized (bs) { 15118 bs.removeUidStatsLocked(uid); 15119 } 15120 mAppOpsService.uidRemoved(uid); 15121 } 15122 } else { 15123 // If resources are unavailable just force stop all 15124 // those packages and flush the attribute cache as well. 15125 if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction())) { 15126 String list[] = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 15127 if (list != null && (list.length > 0)) { 15128 for (String pkg : list) { 15129 forceStopPackageLocked(pkg, -1, false, true, true, false, false, userId, 15130 "storage unmount"); 15131 } 15132 cleanupRecentTasksLocked(UserHandle.USER_ALL); 15133 sendPackageBroadcastLocked( 15134 IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE, list, userId); 15135 } 15136 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals( 15137 intent.getAction())) { 15138 cleanupRecentTasksLocked(UserHandle.USER_ALL); 15139 } else { 15140 Uri data = intent.getData(); 15141 String ssp; 15142 if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { 15143 boolean removed = Intent.ACTION_PACKAGE_REMOVED.equals( 15144 intent.getAction()); 15145 boolean fullUninstall = removed && 15146 !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 15147 if (!intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false)) { 15148 forceStopPackageLocked(ssp, UserHandle.getAppId( 15149 intent.getIntExtra(Intent.EXTRA_UID, -1)), false, true, true, 15150 false, fullUninstall, userId, 15151 removed ? "pkg removed" : "pkg changed"); 15152 } 15153 if (removed) { 15154 sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED, 15155 new String[] {ssp}, userId); 15156 if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 15157 mAppOpsService.packageRemoved( 15158 intent.getIntExtra(Intent.EXTRA_UID, -1), ssp); 15159 15160 // Remove all permissions granted from/to this package 15161 removeUriPermissionsForPackageLocked(ssp, userId, true); 15162 } 15163 } 15164 } 15165 } 15166 } 15167 } else { 15168 String msg = "Permission Denial: " + intent.getAction() 15169 + " broadcast from " + callerPackage + " (pid=" + callingPid 15170 + ", uid=" + callingUid + ")" 15171 + " requires " 15172 + android.Manifest.permission.BROADCAST_PACKAGE_REMOVED; 15173 Slog.w(TAG, msg); 15174 throw new SecurityException(msg); 15175 } 15176 15177 // Special case for adding a package: by default turn on compatibility 15178 // mode. 15179 } else if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction())) { 15180 Uri data = intent.getData(); 15181 String ssp; 15182 if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { 15183 mCompatModePackages.handlePackageAddedLocked(ssp, 15184 intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)); 15185 } 15186 } 15187 15188 /* 15189 * If this is the time zone changed action, queue up a message that will reset the timezone 15190 * of all currently running processes. This message will get queued up before the broadcast 15191 * happens. 15192 */ 15193 if (Intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) { 15194 mHandler.sendEmptyMessage(UPDATE_TIME_ZONE); 15195 } 15196 15197 /* 15198 * If the user set the time, let all running processes know. 15199 */ 15200 if (Intent.ACTION_TIME_CHANGED.equals(intent.getAction())) { 15201 final int is24Hour = intent.getBooleanExtra( 15202 Intent.EXTRA_TIME_PREF_24_HOUR_FORMAT, false) ? 1 : 0; 15203 mHandler.sendMessage(mHandler.obtainMessage(UPDATE_TIME, is24Hour, 0)); 15204 } 15205 15206 if (Intent.ACTION_CLEAR_DNS_CACHE.equals(intent.getAction())) { 15207 mHandler.sendEmptyMessage(CLEAR_DNS_CACHE_MSG); 15208 } 15209 15210 if (Proxy.PROXY_CHANGE_ACTION.equals(intent.getAction())) { 15211 ProxyInfo proxy = intent.getParcelableExtra(Proxy.EXTRA_PROXY_INFO); 15212 mHandler.sendMessage(mHandler.obtainMessage(UPDATE_HTTP_PROXY_MSG, proxy)); 15213 } 15214 15215 // Add to the sticky list if requested. 15216 if (sticky) { 15217 if (checkPermission(android.Manifest.permission.BROADCAST_STICKY, 15218 callingPid, callingUid) 15219 != PackageManager.PERMISSION_GRANTED) { 15220 String msg = "Permission Denial: broadcastIntent() requesting a sticky broadcast from pid=" 15221 + callingPid + ", uid=" + callingUid 15222 + " requires " + android.Manifest.permission.BROADCAST_STICKY; 15223 Slog.w(TAG, msg); 15224 throw new SecurityException(msg); 15225 } 15226 if (requiredPermission != null) { 15227 Slog.w(TAG, "Can't broadcast sticky intent " + intent 15228 + " and enforce permission " + requiredPermission); 15229 return ActivityManager.BROADCAST_STICKY_CANT_HAVE_PERMISSION; 15230 } 15231 if (intent.getComponent() != null) { 15232 throw new SecurityException( 15233 "Sticky broadcasts can't target a specific component"); 15234 } 15235 // We use userId directly here, since the "all" target is maintained 15236 // as a separate set of sticky broadcasts. 15237 if (userId != UserHandle.USER_ALL) { 15238 // But first, if this is not a broadcast to all users, then 15239 // make sure it doesn't conflict with an existing broadcast to 15240 // all users. 15241 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get( 15242 UserHandle.USER_ALL); 15243 if (stickies != null) { 15244 ArrayList<Intent> list = stickies.get(intent.getAction()); 15245 if (list != null) { 15246 int N = list.size(); 15247 int i; 15248 for (i=0; i<N; i++) { 15249 if (intent.filterEquals(list.get(i))) { 15250 throw new IllegalArgumentException( 15251 "Sticky broadcast " + intent + " for user " 15252 + userId + " conflicts with existing global broadcast"); 15253 } 15254 } 15255 } 15256 } 15257 } 15258 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 15259 if (stickies == null) { 15260 stickies = new ArrayMap<String, ArrayList<Intent>>(); 15261 mStickyBroadcasts.put(userId, stickies); 15262 } 15263 ArrayList<Intent> list = stickies.get(intent.getAction()); 15264 if (list == null) { 15265 list = new ArrayList<Intent>(); 15266 stickies.put(intent.getAction(), list); 15267 } 15268 int N = list.size(); 15269 int i; 15270 for (i=0; i<N; i++) { 15271 if (intent.filterEquals(list.get(i))) { 15272 // This sticky already exists, replace it. 15273 list.set(i, new Intent(intent)); 15274 break; 15275 } 15276 } 15277 if (i >= N) { 15278 list.add(new Intent(intent)); 15279 } 15280 } 15281 15282 int[] users; 15283 if (userId == UserHandle.USER_ALL) { 15284 // Caller wants broadcast to go to all started users. 15285 users = mStartedUserArray; 15286 } else { 15287 // Caller wants broadcast to go to one specific user. 15288 users = new int[] {userId}; 15289 } 15290 15291 // Figure out who all will receive this broadcast. 15292 List receivers = null; 15293 List<BroadcastFilter> registeredReceivers = null; 15294 // Need to resolve the intent to interested receivers... 15295 if ((intent.getFlags()&Intent.FLAG_RECEIVER_REGISTERED_ONLY) 15296 == 0) { 15297 receivers = collectReceiverComponents(intent, resolvedType, users); 15298 } 15299 if (intent.getComponent() == null) { 15300 registeredReceivers = mReceiverResolver.queryIntent(intent, 15301 resolvedType, false, userId); 15302 } 15303 15304 final boolean replacePending = 15305 (intent.getFlags()&Intent.FLAG_RECEIVER_REPLACE_PENDING) != 0; 15306 15307 if (DEBUG_BROADCAST) Slog.v(TAG, "Enqueing broadcast: " + intent.getAction() 15308 + " replacePending=" + replacePending); 15309 15310 int NR = registeredReceivers != null ? registeredReceivers.size() : 0; 15311 if (!ordered && NR > 0) { 15312 // If we are not serializing this broadcast, then send the 15313 // registered receivers separately so they don't wait for the 15314 // components to be launched. 15315 final BroadcastQueue queue = broadcastQueueForIntent(intent); 15316 BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, 15317 callerPackage, callingPid, callingUid, resolvedType, requiredPermission, 15318 appOp, registeredReceivers, resultTo, resultCode, resultData, map, 15319 ordered, sticky, false, userId); 15320 if (DEBUG_BROADCAST) Slog.v( 15321 TAG, "Enqueueing parallel broadcast " + r); 15322 final boolean replaced = replacePending && queue.replaceParallelBroadcastLocked(r); 15323 if (!replaced) { 15324 queue.enqueueParallelBroadcastLocked(r); 15325 queue.scheduleBroadcastsLocked(); 15326 } 15327 registeredReceivers = null; 15328 NR = 0; 15329 } 15330 15331 // Merge into one list. 15332 int ir = 0; 15333 if (receivers != null) { 15334 // A special case for PACKAGE_ADDED: do not allow the package 15335 // being added to see this broadcast. This prevents them from 15336 // using this as a back door to get run as soon as they are 15337 // installed. Maybe in the future we want to have a special install 15338 // broadcast or such for apps, but we'd like to deliberately make 15339 // this decision. 15340 String skipPackages[] = null; 15341 if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction()) 15342 || Intent.ACTION_PACKAGE_RESTARTED.equals(intent.getAction()) 15343 || Intent.ACTION_PACKAGE_DATA_CLEARED.equals(intent.getAction())) { 15344 Uri data = intent.getData(); 15345 if (data != null) { 15346 String pkgName = data.getSchemeSpecificPart(); 15347 if (pkgName != null) { 15348 skipPackages = new String[] { pkgName }; 15349 } 15350 } 15351 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(intent.getAction())) { 15352 skipPackages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 15353 } 15354 if (skipPackages != null && (skipPackages.length > 0)) { 15355 for (String skipPackage : skipPackages) { 15356 if (skipPackage != null) { 15357 int NT = receivers.size(); 15358 for (int it=0; it<NT; it++) { 15359 ResolveInfo curt = (ResolveInfo)receivers.get(it); 15360 if (curt.activityInfo.packageName.equals(skipPackage)) { 15361 receivers.remove(it); 15362 it--; 15363 NT--; 15364 } 15365 } 15366 } 15367 } 15368 } 15369 15370 int NT = receivers != null ? receivers.size() : 0; 15371 int it = 0; 15372 ResolveInfo curt = null; 15373 BroadcastFilter curr = null; 15374 while (it < NT && ir < NR) { 15375 if (curt == null) { 15376 curt = (ResolveInfo)receivers.get(it); 15377 } 15378 if (curr == null) { 15379 curr = registeredReceivers.get(ir); 15380 } 15381 if (curr.getPriority() >= curt.priority) { 15382 // Insert this broadcast record into the final list. 15383 receivers.add(it, curr); 15384 ir++; 15385 curr = null; 15386 it++; 15387 NT++; 15388 } else { 15389 // Skip to the next ResolveInfo in the final list. 15390 it++; 15391 curt = null; 15392 } 15393 } 15394 } 15395 while (ir < NR) { 15396 if (receivers == null) { 15397 receivers = new ArrayList(); 15398 } 15399 receivers.add(registeredReceivers.get(ir)); 15400 ir++; 15401 } 15402 15403 if ((receivers != null && receivers.size() > 0) 15404 || resultTo != null) { 15405 BroadcastQueue queue = broadcastQueueForIntent(intent); 15406 BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, 15407 callerPackage, callingPid, callingUid, resolvedType, 15408 requiredPermission, appOp, receivers, resultTo, resultCode, 15409 resultData, map, ordered, sticky, false, userId); 15410 if (DEBUG_BROADCAST) Slog.v( 15411 TAG, "Enqueueing ordered broadcast " + r 15412 + ": prev had " + queue.mOrderedBroadcasts.size()); 15413 if (DEBUG_BROADCAST) { 15414 int seq = r.intent.getIntExtra("seq", -1); 15415 Slog.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq); 15416 } 15417 boolean replaced = replacePending && queue.replaceOrderedBroadcastLocked(r); 15418 if (!replaced) { 15419 queue.enqueueOrderedBroadcastLocked(r); 15420 queue.scheduleBroadcastsLocked(); 15421 } 15422 } 15423 15424 return ActivityManager.BROADCAST_SUCCESS; 15425 } 15426 15427 final Intent verifyBroadcastLocked(Intent intent) { 15428 // Refuse possible leaked file descriptors 15429 if (intent != null && intent.hasFileDescriptors() == true) { 15430 throw new IllegalArgumentException("File descriptors passed in Intent"); 15431 } 15432 15433 int flags = intent.getFlags(); 15434 15435 if (!mProcessesReady) { 15436 // if the caller really truly claims to know what they're doing, go 15437 // ahead and allow the broadcast without launching any receivers 15438 if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT) != 0) { 15439 intent = new Intent(intent); 15440 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 15441 } else if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY) == 0) { 15442 Slog.e(TAG, "Attempt to launch receivers of broadcast intent " + intent 15443 + " before boot completion"); 15444 throw new IllegalStateException("Cannot broadcast before boot completed"); 15445 } 15446 } 15447 15448 if ((flags&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { 15449 throw new IllegalArgumentException( 15450 "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); 15451 } 15452 15453 return intent; 15454 } 15455 15456 public final int broadcastIntent(IApplicationThread caller, 15457 Intent intent, String resolvedType, IIntentReceiver resultTo, 15458 int resultCode, String resultData, Bundle map, 15459 String requiredPermission, int appOp, boolean serialized, boolean sticky, int userId) { 15460 enforceNotIsolatedCaller("broadcastIntent"); 15461 synchronized(this) { 15462 intent = verifyBroadcastLocked(intent); 15463 15464 final ProcessRecord callerApp = getRecordForAppLocked(caller); 15465 final int callingPid = Binder.getCallingPid(); 15466 final int callingUid = Binder.getCallingUid(); 15467 final long origId = Binder.clearCallingIdentity(); 15468 int res = broadcastIntentLocked(callerApp, 15469 callerApp != null ? callerApp.info.packageName : null, 15470 intent, resolvedType, resultTo, 15471 resultCode, resultData, map, requiredPermission, appOp, serialized, sticky, 15472 callingPid, callingUid, userId); 15473 Binder.restoreCallingIdentity(origId); 15474 return res; 15475 } 15476 } 15477 15478 int broadcastIntentInPackage(String packageName, int uid, 15479 Intent intent, String resolvedType, IIntentReceiver resultTo, 15480 int resultCode, String resultData, Bundle map, 15481 String requiredPermission, boolean serialized, boolean sticky, int userId) { 15482 synchronized(this) { 15483 intent = verifyBroadcastLocked(intent); 15484 15485 final long origId = Binder.clearCallingIdentity(); 15486 int res = broadcastIntentLocked(null, packageName, intent, resolvedType, 15487 resultTo, resultCode, resultData, map, requiredPermission, 15488 AppOpsManager.OP_NONE, serialized, sticky, -1, uid, userId); 15489 Binder.restoreCallingIdentity(origId); 15490 return res; 15491 } 15492 } 15493 15494 public final void unbroadcastIntent(IApplicationThread caller, Intent intent, int userId) { 15495 // Refuse possible leaked file descriptors 15496 if (intent != null && intent.hasFileDescriptors() == true) { 15497 throw new IllegalArgumentException("File descriptors passed in Intent"); 15498 } 15499 15500 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 15501 userId, true, ALLOW_NON_FULL, "removeStickyBroadcast", null); 15502 15503 synchronized(this) { 15504 if (checkCallingPermission(android.Manifest.permission.BROADCAST_STICKY) 15505 != PackageManager.PERMISSION_GRANTED) { 15506 String msg = "Permission Denial: unbroadcastIntent() from pid=" 15507 + Binder.getCallingPid() 15508 + ", uid=" + Binder.getCallingUid() 15509 + " requires " + android.Manifest.permission.BROADCAST_STICKY; 15510 Slog.w(TAG, msg); 15511 throw new SecurityException(msg); 15512 } 15513 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 15514 if (stickies != null) { 15515 ArrayList<Intent> list = stickies.get(intent.getAction()); 15516 if (list != null) { 15517 int N = list.size(); 15518 int i; 15519 for (i=0; i<N; i++) { 15520 if (intent.filterEquals(list.get(i))) { 15521 list.remove(i); 15522 break; 15523 } 15524 } 15525 if (list.size() <= 0) { 15526 stickies.remove(intent.getAction()); 15527 } 15528 } 15529 if (stickies.size() <= 0) { 15530 mStickyBroadcasts.remove(userId); 15531 } 15532 } 15533 } 15534 } 15535 15536 private final boolean finishReceiverLocked(IBinder receiver, int resultCode, 15537 String resultData, Bundle resultExtras, boolean resultAbort) { 15538 final BroadcastRecord r = broadcastRecordForReceiverLocked(receiver); 15539 if (r == null) { 15540 Slog.w(TAG, "finishReceiver called but not found on queue"); 15541 return false; 15542 } 15543 15544 return r.queue.finishReceiverLocked(r, resultCode, resultData, resultExtras, resultAbort, false); 15545 } 15546 15547 void backgroundServicesFinishedLocked(int userId) { 15548 for (BroadcastQueue queue : mBroadcastQueues) { 15549 queue.backgroundServicesFinishedLocked(userId); 15550 } 15551 } 15552 15553 public void finishReceiver(IBinder who, int resultCode, String resultData, 15554 Bundle resultExtras, boolean resultAbort) { 15555 if (DEBUG_BROADCAST) Slog.v(TAG, "Finish receiver: " + who); 15556 15557 // Refuse possible leaked file descriptors 15558 if (resultExtras != null && resultExtras.hasFileDescriptors()) { 15559 throw new IllegalArgumentException("File descriptors passed in Bundle"); 15560 } 15561 15562 final long origId = Binder.clearCallingIdentity(); 15563 try { 15564 boolean doNext = false; 15565 BroadcastRecord r; 15566 15567 synchronized(this) { 15568 r = broadcastRecordForReceiverLocked(who); 15569 if (r != null) { 15570 doNext = r.queue.finishReceiverLocked(r, resultCode, 15571 resultData, resultExtras, resultAbort, true); 15572 } 15573 } 15574 15575 if (doNext) { 15576 r.queue.processNextBroadcast(false); 15577 } 15578 trimApplications(); 15579 } finally { 15580 Binder.restoreCallingIdentity(origId); 15581 } 15582 } 15583 15584 // ========================================================= 15585 // INSTRUMENTATION 15586 // ========================================================= 15587 15588 public boolean startInstrumentation(ComponentName className, 15589 String profileFile, int flags, Bundle arguments, 15590 IInstrumentationWatcher watcher, IUiAutomationConnection uiAutomationConnection, 15591 int userId, String abiOverride) { 15592 enforceNotIsolatedCaller("startInstrumentation"); 15593 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 15594 userId, false, ALLOW_FULL_ONLY, "startInstrumentation", null); 15595 // Refuse possible leaked file descriptors 15596 if (arguments != null && arguments.hasFileDescriptors()) { 15597 throw new IllegalArgumentException("File descriptors passed in Bundle"); 15598 } 15599 15600 synchronized(this) { 15601 InstrumentationInfo ii = null; 15602 ApplicationInfo ai = null; 15603 try { 15604 ii = mContext.getPackageManager().getInstrumentationInfo( 15605 className, STOCK_PM_FLAGS); 15606 ai = AppGlobals.getPackageManager().getApplicationInfo( 15607 ii.targetPackage, STOCK_PM_FLAGS, userId); 15608 } catch (PackageManager.NameNotFoundException e) { 15609 } catch (RemoteException e) { 15610 } 15611 if (ii == null) { 15612 reportStartInstrumentationFailure(watcher, className, 15613 "Unable to find instrumentation info for: " + className); 15614 return false; 15615 } 15616 if (ai == null) { 15617 reportStartInstrumentationFailure(watcher, className, 15618 "Unable to find instrumentation target package: " + ii.targetPackage); 15619 return false; 15620 } 15621 15622 int match = mContext.getPackageManager().checkSignatures( 15623 ii.targetPackage, ii.packageName); 15624 if (match < 0 && match != PackageManager.SIGNATURE_FIRST_NOT_SIGNED) { 15625 String msg = "Permission Denial: starting instrumentation " 15626 + className + " from pid=" 15627 + Binder.getCallingPid() 15628 + ", uid=" + Binder.getCallingPid() 15629 + " not allowed because package " + ii.packageName 15630 + " does not have a signature matching the target " 15631 + ii.targetPackage; 15632 reportStartInstrumentationFailure(watcher, className, msg); 15633 throw new SecurityException(msg); 15634 } 15635 15636 final long origId = Binder.clearCallingIdentity(); 15637 // Instrumentation can kill and relaunch even persistent processes 15638 forceStopPackageLocked(ii.targetPackage, -1, true, false, true, true, false, userId, 15639 "start instr"); 15640 ProcessRecord app = addAppLocked(ai, false, abiOverride); 15641 app.instrumentationClass = className; 15642 app.instrumentationInfo = ai; 15643 app.instrumentationProfileFile = profileFile; 15644 app.instrumentationArguments = arguments; 15645 app.instrumentationWatcher = watcher; 15646 app.instrumentationUiAutomationConnection = uiAutomationConnection; 15647 app.instrumentationResultClass = className; 15648 Binder.restoreCallingIdentity(origId); 15649 } 15650 15651 return true; 15652 } 15653 15654 /** 15655 * Report errors that occur while attempting to start Instrumentation. Always writes the 15656 * error to the logs, but if somebody is watching, send the report there too. This enables 15657 * the "am" command to report errors with more information. 15658 * 15659 * @param watcher The IInstrumentationWatcher. Null if there isn't one. 15660 * @param cn The component name of the instrumentation. 15661 * @param report The error report. 15662 */ 15663 private void reportStartInstrumentationFailure(IInstrumentationWatcher watcher, 15664 ComponentName cn, String report) { 15665 Slog.w(TAG, report); 15666 try { 15667 if (watcher != null) { 15668 Bundle results = new Bundle(); 15669 results.putString(Instrumentation.REPORT_KEY_IDENTIFIER, "ActivityManagerService"); 15670 results.putString("Error", report); 15671 watcher.instrumentationStatus(cn, -1, results); 15672 } 15673 } catch (RemoteException e) { 15674 Slog.w(TAG, e); 15675 } 15676 } 15677 15678 void finishInstrumentationLocked(ProcessRecord app, int resultCode, Bundle results) { 15679 if (app.instrumentationWatcher != null) { 15680 try { 15681 // NOTE: IInstrumentationWatcher *must* be oneway here 15682 app.instrumentationWatcher.instrumentationFinished( 15683 app.instrumentationClass, 15684 resultCode, 15685 results); 15686 } catch (RemoteException e) { 15687 } 15688 } 15689 if (app.instrumentationUiAutomationConnection != null) { 15690 try { 15691 app.instrumentationUiAutomationConnection.shutdown(); 15692 } catch (RemoteException re) { 15693 /* ignore */ 15694 } 15695 // Only a UiAutomation can set this flag and now that 15696 // it is finished we make sure it is reset to its default. 15697 mUserIsMonkey = false; 15698 } 15699 app.instrumentationWatcher = null; 15700 app.instrumentationUiAutomationConnection = null; 15701 app.instrumentationClass = null; 15702 app.instrumentationInfo = null; 15703 app.instrumentationProfileFile = null; 15704 app.instrumentationArguments = null; 15705 15706 forceStopPackageLocked(app.info.packageName, -1, false, false, true, true, false, app.userId, 15707 "finished inst"); 15708 } 15709 15710 public void finishInstrumentation(IApplicationThread target, 15711 int resultCode, Bundle results) { 15712 int userId = UserHandle.getCallingUserId(); 15713 // Refuse possible leaked file descriptors 15714 if (results != null && results.hasFileDescriptors()) { 15715 throw new IllegalArgumentException("File descriptors passed in Intent"); 15716 } 15717 15718 synchronized(this) { 15719 ProcessRecord app = getRecordForAppLocked(target); 15720 if (app == null) { 15721 Slog.w(TAG, "finishInstrumentation: no app for " + target); 15722 return; 15723 } 15724 final long origId = Binder.clearCallingIdentity(); 15725 finishInstrumentationLocked(app, resultCode, results); 15726 Binder.restoreCallingIdentity(origId); 15727 } 15728 } 15729 15730 // ========================================================= 15731 // CONFIGURATION 15732 // ========================================================= 15733 15734 public ConfigurationInfo getDeviceConfigurationInfo() { 15735 ConfigurationInfo config = new ConfigurationInfo(); 15736 synchronized (this) { 15737 config.reqTouchScreen = mConfiguration.touchscreen; 15738 config.reqKeyboardType = mConfiguration.keyboard; 15739 config.reqNavigation = mConfiguration.navigation; 15740 if (mConfiguration.navigation == Configuration.NAVIGATION_DPAD 15741 || mConfiguration.navigation == Configuration.NAVIGATION_TRACKBALL) { 15742 config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV; 15743 } 15744 if (mConfiguration.keyboard != Configuration.KEYBOARD_UNDEFINED 15745 && mConfiguration.keyboard != Configuration.KEYBOARD_NOKEYS) { 15746 config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD; 15747 } 15748 config.reqGlEsVersion = GL_ES_VERSION; 15749 } 15750 return config; 15751 } 15752 15753 ActivityStack getFocusedStack() { 15754 return mStackSupervisor.getFocusedStack(); 15755 } 15756 15757 public Configuration getConfiguration() { 15758 Configuration ci; 15759 synchronized(this) { 15760 ci = new Configuration(mConfiguration); 15761 } 15762 return ci; 15763 } 15764 15765 public void updatePersistentConfiguration(Configuration values) { 15766 enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 15767 "updateConfiguration()"); 15768 enforceCallingPermission(android.Manifest.permission.WRITE_SETTINGS, 15769 "updateConfiguration()"); 15770 if (values == null) { 15771 throw new NullPointerException("Configuration must not be null"); 15772 } 15773 15774 synchronized(this) { 15775 final long origId = Binder.clearCallingIdentity(); 15776 updateConfigurationLocked(values, null, true, false); 15777 Binder.restoreCallingIdentity(origId); 15778 } 15779 } 15780 15781 public void updateConfiguration(Configuration values) { 15782 enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 15783 "updateConfiguration()"); 15784 15785 synchronized(this) { 15786 if (values == null && mWindowManager != null) { 15787 // sentinel: fetch the current configuration from the window manager 15788 values = mWindowManager.computeNewConfiguration(); 15789 } 15790 15791 if (mWindowManager != null) { 15792 mProcessList.applyDisplaySize(mWindowManager); 15793 } 15794 15795 final long origId = Binder.clearCallingIdentity(); 15796 if (values != null) { 15797 Settings.System.clearConfiguration(values); 15798 } 15799 updateConfigurationLocked(values, null, false, false); 15800 Binder.restoreCallingIdentity(origId); 15801 } 15802 } 15803 15804 /** 15805 * Do either or both things: (1) change the current configuration, and (2) 15806 * make sure the given activity is running with the (now) current 15807 * configuration. Returns true if the activity has been left running, or 15808 * false if <var>starting</var> is being destroyed to match the new 15809 * configuration. 15810 * @param persistent TODO 15811 */ 15812 boolean updateConfigurationLocked(Configuration values, 15813 ActivityRecord starting, boolean persistent, boolean initLocale) { 15814 int changes = 0; 15815 15816 if (values != null) { 15817 Configuration newConfig = new Configuration(mConfiguration); 15818 changes = newConfig.updateFrom(values); 15819 if (changes != 0) { 15820 if (DEBUG_SWITCH || DEBUG_CONFIGURATION) { 15821 Slog.i(TAG, "Updating configuration to: " + values); 15822 } 15823 15824 EventLog.writeEvent(EventLogTags.CONFIGURATION_CHANGED, changes); 15825 15826 if (values.locale != null && !initLocale) { 15827 saveLocaleLocked(values.locale, 15828 !values.locale.equals(mConfiguration.locale), 15829 values.userSetLocale); 15830 } 15831 15832 mConfigurationSeq++; 15833 if (mConfigurationSeq <= 0) { 15834 mConfigurationSeq = 1; 15835 } 15836 newConfig.seq = mConfigurationSeq; 15837 mConfiguration = newConfig; 15838 Slog.i(TAG, "Config changes=" + Integer.toHexString(changes) + " " + newConfig); 15839 //mUsageStatsService.noteStartConfig(newConfig); 15840 15841 final Configuration configCopy = new Configuration(mConfiguration); 15842 15843 // TODO: If our config changes, should we auto dismiss any currently 15844 // showing dialogs? 15845 mShowDialogs = shouldShowDialogs(newConfig); 15846 15847 AttributeCache ac = AttributeCache.instance(); 15848 if (ac != null) { 15849 ac.updateConfiguration(configCopy); 15850 } 15851 15852 // Make sure all resources in our process are updated 15853 // right now, so that anyone who is going to retrieve 15854 // resource values after we return will be sure to get 15855 // the new ones. This is especially important during 15856 // boot, where the first config change needs to guarantee 15857 // all resources have that config before following boot 15858 // code is executed. 15859 mSystemThread.applyConfigurationToResources(configCopy); 15860 15861 if (persistent && Settings.System.hasInterestingConfigurationChanges(changes)) { 15862 Message msg = mHandler.obtainMessage(UPDATE_CONFIGURATION_MSG); 15863 msg.obj = new Configuration(configCopy); 15864 mHandler.sendMessage(msg); 15865 } 15866 15867 for (int i=mLruProcesses.size()-1; i>=0; i--) { 15868 ProcessRecord app = mLruProcesses.get(i); 15869 try { 15870 if (app.thread != null) { 15871 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Sending to proc " 15872 + app.processName + " new config " + mConfiguration); 15873 app.thread.scheduleConfigurationChanged(configCopy); 15874 } 15875 } catch (Exception e) { 15876 } 15877 } 15878 Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); 15879 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 15880 | Intent.FLAG_RECEIVER_REPLACE_PENDING 15881 | Intent.FLAG_RECEIVER_FOREGROUND); 15882 broadcastIntentLocked(null, null, intent, null, null, 0, null, null, 15883 null, AppOpsManager.OP_NONE, false, false, MY_PID, 15884 Process.SYSTEM_UID, UserHandle.USER_ALL); 15885 if ((changes&ActivityInfo.CONFIG_LOCALE) != 0) { 15886 intent = new Intent(Intent.ACTION_LOCALE_CHANGED); 15887 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 15888 broadcastIntentLocked(null, null, intent, 15889 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 15890 false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 15891 } 15892 } 15893 } 15894 15895 boolean kept = true; 15896 final ActivityStack mainStack = mStackSupervisor.getFocusedStack(); 15897 // mainStack is null during startup. 15898 if (mainStack != null) { 15899 if (changes != 0 && starting == null) { 15900 // If the configuration changed, and the caller is not already 15901 // in the process of starting an activity, then find the top 15902 // activity to check if its configuration needs to change. 15903 starting = mainStack.topRunningActivityLocked(null); 15904 } 15905 15906 if (starting != null) { 15907 kept = mainStack.ensureActivityConfigurationLocked(starting, changes); 15908 // And we need to make sure at this point that all other activities 15909 // are made visible with the correct configuration. 15910 mStackSupervisor.ensureActivitiesVisibleLocked(starting, changes); 15911 } 15912 } 15913 15914 if (values != null && mWindowManager != null) { 15915 mWindowManager.setNewConfiguration(mConfiguration); 15916 } 15917 15918 return kept; 15919 } 15920 15921 /** 15922 * Decide based on the configuration whether we should shouw the ANR, 15923 * crash, etc dialogs. The idea is that if there is no affordnace to 15924 * press the on-screen buttons, we shouldn't show the dialog. 15925 * 15926 * A thought: SystemUI might also want to get told about this, the Power 15927 * dialog / global actions also might want different behaviors. 15928 */ 15929 private static final boolean shouldShowDialogs(Configuration config) { 15930 return !(config.keyboard == Configuration.KEYBOARD_NOKEYS 15931 && config.touchscreen == Configuration.TOUCHSCREEN_NOTOUCH); 15932 } 15933 15934 /** 15935 * Save the locale. You must be inside a synchronized (this) block. 15936 */ 15937 private void saveLocaleLocked(Locale l, boolean isDiff, boolean isPersist) { 15938 if(isDiff) { 15939 SystemProperties.set("user.language", l.getLanguage()); 15940 SystemProperties.set("user.region", l.getCountry()); 15941 } 15942 15943 if(isPersist) { 15944 SystemProperties.set("persist.sys.language", l.getLanguage()); 15945 SystemProperties.set("persist.sys.country", l.getCountry()); 15946 SystemProperties.set("persist.sys.localevar", l.getVariant()); 15947 } 15948 } 15949 15950 @Override 15951 public boolean shouldUpRecreateTask(IBinder token, String destAffinity) { 15952 synchronized (this) { 15953 ActivityRecord srec = ActivityRecord.forToken(token); 15954 if (srec.task != null && srec.task.stack != null) { 15955 return srec.task.stack.shouldUpRecreateTaskLocked(srec, destAffinity); 15956 } 15957 } 15958 return false; 15959 } 15960 15961 public boolean navigateUpTo(IBinder token, Intent destIntent, int resultCode, 15962 Intent resultData) { 15963 15964 synchronized (this) { 15965 final ActivityStack stack = ActivityRecord.getStackLocked(token); 15966 if (stack != null) { 15967 return stack.navigateUpToLocked(token, destIntent, resultCode, resultData); 15968 } 15969 return false; 15970 } 15971 } 15972 15973 public int getLaunchedFromUid(IBinder activityToken) { 15974 ActivityRecord srec = ActivityRecord.forToken(activityToken); 15975 if (srec == null) { 15976 return -1; 15977 } 15978 return srec.launchedFromUid; 15979 } 15980 15981 public String getLaunchedFromPackage(IBinder activityToken) { 15982 ActivityRecord srec = ActivityRecord.forToken(activityToken); 15983 if (srec == null) { 15984 return null; 15985 } 15986 return srec.launchedFromPackage; 15987 } 15988 15989 // ========================================================= 15990 // LIFETIME MANAGEMENT 15991 // ========================================================= 15992 15993 // Returns which broadcast queue the app is the current [or imminent] receiver 15994 // on, or 'null' if the app is not an active broadcast recipient. 15995 private BroadcastQueue isReceivingBroadcast(ProcessRecord app) { 15996 BroadcastRecord r = app.curReceiver; 15997 if (r != null) { 15998 return r.queue; 15999 } 16000 16001 // It's not the current receiver, but it might be starting up to become one 16002 synchronized (this) { 16003 for (BroadcastQueue queue : mBroadcastQueues) { 16004 r = queue.mPendingBroadcast; 16005 if (r != null && r.curApp == app) { 16006 // found it; report which queue it's in 16007 return queue; 16008 } 16009 } 16010 } 16011 16012 return null; 16013 } 16014 16015 private final int computeOomAdjLocked(ProcessRecord app, int cachedAdj, ProcessRecord TOP_APP, 16016 boolean doingAll, long now) { 16017 if (mAdjSeq == app.adjSeq) { 16018 // This adjustment has already been computed. 16019 return app.curRawAdj; 16020 } 16021 16022 if (app.thread == null) { 16023 app.adjSeq = mAdjSeq; 16024 app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16025 app.curProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16026 return (app.curAdj=app.curRawAdj=ProcessList.CACHED_APP_MAX_ADJ); 16027 } 16028 16029 app.adjTypeCode = ActivityManager.RunningAppProcessInfo.REASON_UNKNOWN; 16030 app.adjSource = null; 16031 app.adjTarget = null; 16032 app.empty = false; 16033 app.cached = false; 16034 16035 final int activitiesSize = app.activities.size(); 16036 16037 if (app.maxAdj <= ProcessList.FOREGROUND_APP_ADJ) { 16038 // The max adjustment doesn't allow this app to be anything 16039 // below foreground, so it is not worth doing work for it. 16040 app.adjType = "fixed"; 16041 app.adjSeq = mAdjSeq; 16042 app.curRawAdj = app.maxAdj; 16043 app.foregroundActivities = false; 16044 app.curSchedGroup = Process.THREAD_GROUP_DEFAULT; 16045 app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT; 16046 // System processes can do UI, and when they do we want to have 16047 // them trim their memory after the user leaves the UI. To 16048 // facilitate this, here we need to determine whether or not it 16049 // is currently showing UI. 16050 app.systemNoUi = true; 16051 if (app == TOP_APP) { 16052 app.systemNoUi = false; 16053 } else if (activitiesSize > 0) { 16054 for (int j = 0; j < activitiesSize; j++) { 16055 final ActivityRecord r = app.activities.get(j); 16056 if (r.visible) { 16057 app.systemNoUi = false; 16058 } 16059 } 16060 } 16061 if (!app.systemNoUi) { 16062 app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT_UI; 16063 } 16064 return (app.curAdj=app.maxAdj); 16065 } 16066 16067 app.systemNoUi = false; 16068 16069 // Determine the importance of the process, starting with most 16070 // important to least, and assign an appropriate OOM adjustment. 16071 int adj; 16072 int schedGroup; 16073 int procState; 16074 boolean foregroundActivities = false; 16075 BroadcastQueue queue; 16076 if (app == TOP_APP) { 16077 // The last app on the list is the foreground app. 16078 adj = ProcessList.FOREGROUND_APP_ADJ; 16079 schedGroup = Process.THREAD_GROUP_DEFAULT; 16080 app.adjType = "top-activity"; 16081 foregroundActivities = true; 16082 procState = ActivityManager.PROCESS_STATE_TOP; 16083 } else if (app.instrumentationClass != null) { 16084 // Don't want to kill running instrumentation. 16085 adj = ProcessList.FOREGROUND_APP_ADJ; 16086 schedGroup = Process.THREAD_GROUP_DEFAULT; 16087 app.adjType = "instrumentation"; 16088 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16089 } else if ((queue = isReceivingBroadcast(app)) != null) { 16090 // An app that is currently receiving a broadcast also 16091 // counts as being in the foreground for OOM killer purposes. 16092 // It's placed in a sched group based on the nature of the 16093 // broadcast as reflected by which queue it's active in. 16094 adj = ProcessList.FOREGROUND_APP_ADJ; 16095 schedGroup = (queue == mFgBroadcastQueue) 16096 ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; 16097 app.adjType = "broadcast"; 16098 procState = ActivityManager.PROCESS_STATE_RECEIVER; 16099 } else if (app.executingServices.size() > 0) { 16100 // An app that is currently executing a service callback also 16101 // counts as being in the foreground. 16102 adj = ProcessList.FOREGROUND_APP_ADJ; 16103 schedGroup = app.execServicesFg ? 16104 Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; 16105 app.adjType = "exec-service"; 16106 procState = ActivityManager.PROCESS_STATE_SERVICE; 16107 //Slog.i(TAG, "EXEC " + (app.execServicesFg ? "FG" : "BG") + ": " + app); 16108 } else { 16109 // As far as we know the process is empty. We may change our mind later. 16110 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16111 // At this point we don't actually know the adjustment. Use the cached adj 16112 // value that the caller wants us to. 16113 adj = cachedAdj; 16114 procState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16115 app.cached = true; 16116 app.empty = true; 16117 app.adjType = "cch-empty"; 16118 } 16119 16120 // Examine all activities if not already foreground. 16121 if (!foregroundActivities && activitiesSize > 0) { 16122 for (int j = 0; j < activitiesSize; j++) { 16123 final ActivityRecord r = app.activities.get(j); 16124 if (r.app != app) { 16125 Slog.w(TAG, "Wtf, activity " + r + " in proc activity list not using proc " 16126 + app + "?!?"); 16127 continue; 16128 } 16129 if (r.visible) { 16130 // App has a visible activity; only upgrade adjustment. 16131 if (adj > ProcessList.VISIBLE_APP_ADJ) { 16132 adj = ProcessList.VISIBLE_APP_ADJ; 16133 app.adjType = "visible"; 16134 } 16135 if (procState > ActivityManager.PROCESS_STATE_TOP) { 16136 procState = ActivityManager.PROCESS_STATE_TOP; 16137 } 16138 schedGroup = Process.THREAD_GROUP_DEFAULT; 16139 app.cached = false; 16140 app.empty = false; 16141 foregroundActivities = true; 16142 break; 16143 } else if (r.state == ActivityState.PAUSING || r.state == ActivityState.PAUSED) { 16144 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16145 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16146 app.adjType = "pausing"; 16147 } 16148 if (procState > ActivityManager.PROCESS_STATE_TOP) { 16149 procState = ActivityManager.PROCESS_STATE_TOP; 16150 } 16151 schedGroup = Process.THREAD_GROUP_DEFAULT; 16152 app.cached = false; 16153 app.empty = false; 16154 foregroundActivities = true; 16155 } else if (r.state == ActivityState.STOPPING) { 16156 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16157 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16158 app.adjType = "stopping"; 16159 } 16160 // For the process state, we will at this point consider the 16161 // process to be cached. It will be cached either as an activity 16162 // or empty depending on whether the activity is finishing. We do 16163 // this so that we can treat the process as cached for purposes of 16164 // memory trimming (determing current memory level, trim command to 16165 // send to process) since there can be an arbitrary number of stopping 16166 // processes and they should soon all go into the cached state. 16167 if (!r.finishing) { 16168 if (procState > ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16169 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 16170 } 16171 } 16172 app.cached = false; 16173 app.empty = false; 16174 foregroundActivities = true; 16175 } else { 16176 if (procState > ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16177 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 16178 app.adjType = "cch-act"; 16179 } 16180 } 16181 } 16182 } 16183 16184 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16185 if (app.foregroundServices) { 16186 // The user is aware of this app, so make it visible. 16187 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16188 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16189 app.cached = false; 16190 app.adjType = "fg-service"; 16191 schedGroup = Process.THREAD_GROUP_DEFAULT; 16192 } else if (app.forcingToForeground != null) { 16193 // The user is aware of this app, so make it visible. 16194 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16195 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16196 app.cached = false; 16197 app.adjType = "force-fg"; 16198 app.adjSource = app.forcingToForeground; 16199 schedGroup = Process.THREAD_GROUP_DEFAULT; 16200 } 16201 } 16202 16203 if (app == mHeavyWeightProcess) { 16204 if (adj > ProcessList.HEAVY_WEIGHT_APP_ADJ) { 16205 // We don't want to kill the current heavy-weight process. 16206 adj = ProcessList.HEAVY_WEIGHT_APP_ADJ; 16207 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16208 app.cached = false; 16209 app.adjType = "heavy"; 16210 } 16211 if (procState > ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) { 16212 procState = ActivityManager.PROCESS_STATE_HEAVY_WEIGHT; 16213 } 16214 } 16215 16216 if (app == mHomeProcess) { 16217 if (adj > ProcessList.HOME_APP_ADJ) { 16218 // This process is hosting what we currently consider to be the 16219 // home app, so we don't want to let it go into the background. 16220 adj = ProcessList.HOME_APP_ADJ; 16221 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16222 app.cached = false; 16223 app.adjType = "home"; 16224 } 16225 if (procState > ActivityManager.PROCESS_STATE_HOME) { 16226 procState = ActivityManager.PROCESS_STATE_HOME; 16227 } 16228 } 16229 16230 if (app == mPreviousProcess && app.activities.size() > 0) { 16231 if (adj > ProcessList.PREVIOUS_APP_ADJ) { 16232 // This was the previous process that showed UI to the user. 16233 // We want to try to keep it around more aggressively, to give 16234 // a good experience around switching between two apps. 16235 adj = ProcessList.PREVIOUS_APP_ADJ; 16236 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 16237 app.cached = false; 16238 app.adjType = "previous"; 16239 } 16240 if (procState > ActivityManager.PROCESS_STATE_LAST_ACTIVITY) { 16241 procState = ActivityManager.PROCESS_STATE_LAST_ACTIVITY; 16242 } 16243 } 16244 16245 if (false) Slog.i(TAG, "OOM " + app + ": initial adj=" + adj 16246 + " reason=" + app.adjType); 16247 16248 // By default, we use the computed adjustment. It may be changed if 16249 // there are applications dependent on our services or providers, but 16250 // this gives us a baseline and makes sure we don't get into an 16251 // infinite recursion. 16252 app.adjSeq = mAdjSeq; 16253 app.curRawAdj = adj; 16254 app.hasStartedServices = false; 16255 16256 if (mBackupTarget != null && app == mBackupTarget.app) { 16257 // If possible we want to avoid killing apps while they're being backed up 16258 if (adj > ProcessList.BACKUP_APP_ADJ) { 16259 if (DEBUG_BACKUP) Slog.v(TAG, "oom BACKUP_APP_ADJ for " + app); 16260 adj = ProcessList.BACKUP_APP_ADJ; 16261 if (procState > ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND) { 16262 procState = ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND; 16263 } 16264 app.adjType = "backup"; 16265 app.cached = false; 16266 } 16267 if (procState > ActivityManager.PROCESS_STATE_BACKUP) { 16268 procState = ActivityManager.PROCESS_STATE_BACKUP; 16269 } 16270 } 16271 16272 boolean mayBeTop = false; 16273 16274 for (int is = app.services.size()-1; 16275 is >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16276 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16277 || procState > ActivityManager.PROCESS_STATE_TOP); 16278 is--) { 16279 ServiceRecord s = app.services.valueAt(is); 16280 if (s.startRequested) { 16281 app.hasStartedServices = true; 16282 if (procState > ActivityManager.PROCESS_STATE_SERVICE) { 16283 procState = ActivityManager.PROCESS_STATE_SERVICE; 16284 } 16285 if (app.hasShownUi && app != mHomeProcess) { 16286 // If this process has shown some UI, let it immediately 16287 // go to the LRU list because it may be pretty heavy with 16288 // UI stuff. We'll tag it with a label just to help 16289 // debug and understand what is going on. 16290 if (adj > ProcessList.SERVICE_ADJ) { 16291 app.adjType = "cch-started-ui-services"; 16292 } 16293 } else { 16294 if (now < (s.lastActivity + ActiveServices.MAX_SERVICE_INACTIVITY)) { 16295 // This service has seen some activity within 16296 // recent memory, so we will keep its process ahead 16297 // of the background processes. 16298 if (adj > ProcessList.SERVICE_ADJ) { 16299 adj = ProcessList.SERVICE_ADJ; 16300 app.adjType = "started-services"; 16301 app.cached = false; 16302 } 16303 } 16304 // If we have let the service slide into the background 16305 // state, still have some text describing what it is doing 16306 // even though the service no longer has an impact. 16307 if (adj > ProcessList.SERVICE_ADJ) { 16308 app.adjType = "cch-started-services"; 16309 } 16310 } 16311 } 16312 for (int conni = s.connections.size()-1; 16313 conni >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16314 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16315 || procState > ActivityManager.PROCESS_STATE_TOP); 16316 conni--) { 16317 ArrayList<ConnectionRecord> clist = s.connections.valueAt(conni); 16318 for (int i = 0; 16319 i < clist.size() && (adj > ProcessList.FOREGROUND_APP_ADJ 16320 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16321 || procState > ActivityManager.PROCESS_STATE_TOP); 16322 i++) { 16323 // XXX should compute this based on the max of 16324 // all connected clients. 16325 ConnectionRecord cr = clist.get(i); 16326 if (cr.binding.client == app) { 16327 // Binding to ourself is not interesting. 16328 continue; 16329 } 16330 if ((cr.flags&Context.BIND_WAIVE_PRIORITY) == 0) { 16331 ProcessRecord client = cr.binding.client; 16332 int clientAdj = computeOomAdjLocked(client, cachedAdj, 16333 TOP_APP, doingAll, now); 16334 int clientProcState = client.curProcState; 16335 if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16336 // If the other app is cached for any reason, for purposes here 16337 // we are going to consider it empty. The specific cached state 16338 // doesn't propagate except under certain conditions. 16339 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16340 } 16341 String adjType = null; 16342 if ((cr.flags&Context.BIND_ALLOW_OOM_MANAGEMENT) != 0) { 16343 // Not doing bind OOM management, so treat 16344 // this guy more like a started service. 16345 if (app.hasShownUi && app != mHomeProcess) { 16346 // If this process has shown some UI, let it immediately 16347 // go to the LRU list because it may be pretty heavy with 16348 // UI stuff. We'll tag it with a label just to help 16349 // debug and understand what is going on. 16350 if (adj > clientAdj) { 16351 adjType = "cch-bound-ui-services"; 16352 } 16353 app.cached = false; 16354 clientAdj = adj; 16355 clientProcState = procState; 16356 } else { 16357 if (now >= (s.lastActivity 16358 + ActiveServices.MAX_SERVICE_INACTIVITY)) { 16359 // This service has not seen activity within 16360 // recent memory, so allow it to drop to the 16361 // LRU list if there is no other reason to keep 16362 // it around. We'll also tag it with a label just 16363 // to help debug and undertand what is going on. 16364 if (adj > clientAdj) { 16365 adjType = "cch-bound-services"; 16366 } 16367 clientAdj = adj; 16368 } 16369 } 16370 } 16371 if (adj > clientAdj) { 16372 // If this process has recently shown UI, and 16373 // the process that is binding to it is less 16374 // important than being visible, then we don't 16375 // care about the binding as much as we care 16376 // about letting this process get into the LRU 16377 // list to be killed and restarted if needed for 16378 // memory. 16379 if (app.hasShownUi && app != mHomeProcess 16380 && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16381 adjType = "cch-bound-ui-services"; 16382 } else { 16383 if ((cr.flags&(Context.BIND_ABOVE_CLIENT 16384 |Context.BIND_IMPORTANT)) != 0) { 16385 adj = clientAdj; 16386 } else if ((cr.flags&Context.BIND_NOT_VISIBLE) != 0 16387 && clientAdj < ProcessList.PERCEPTIBLE_APP_ADJ 16388 && adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16389 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 16390 } else if (clientAdj > ProcessList.VISIBLE_APP_ADJ) { 16391 adj = clientAdj; 16392 } else { 16393 if (adj > ProcessList.VISIBLE_APP_ADJ) { 16394 adj = ProcessList.VISIBLE_APP_ADJ; 16395 } 16396 } 16397 if (!client.cached) { 16398 app.cached = false; 16399 } 16400 adjType = "service"; 16401 } 16402 } 16403 if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { 16404 if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { 16405 schedGroup = Process.THREAD_GROUP_DEFAULT; 16406 } 16407 if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) { 16408 if (clientProcState == ActivityManager.PROCESS_STATE_TOP) { 16409 // Special handling of clients who are in the top state. 16410 // We *may* want to consider this process to be in the 16411 // top state as well, but only if there is not another 16412 // reason for it to be running. Being on the top is a 16413 // special state, meaning you are specifically running 16414 // for the current top app. If the process is already 16415 // running in the background for some other reason, it 16416 // is more important to continue considering it to be 16417 // in the background state. 16418 mayBeTop = true; 16419 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16420 } else { 16421 // Special handling for above-top states (persistent 16422 // processes). These should not bring the current process 16423 // into the top state, since they are not on top. Instead 16424 // give them the best state after that. 16425 clientProcState = 16426 ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16427 } 16428 } 16429 } else { 16430 if (clientProcState < 16431 ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND) { 16432 clientProcState = 16433 ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND; 16434 } 16435 } 16436 if (procState > clientProcState) { 16437 procState = clientProcState; 16438 } 16439 if (procState < ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 16440 && (cr.flags&Context.BIND_SHOWING_UI) != 0) { 16441 app.pendingUiClean = true; 16442 } 16443 if (adjType != null) { 16444 app.adjType = adjType; 16445 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 16446 .REASON_SERVICE_IN_USE; 16447 app.adjSource = cr.binding.client; 16448 app.adjSourceProcState = clientProcState; 16449 app.adjTarget = s.name; 16450 } 16451 } 16452 if ((cr.flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 16453 app.treatLikeActivity = true; 16454 } 16455 final ActivityRecord a = cr.activity; 16456 if ((cr.flags&Context.BIND_ADJUST_WITH_ACTIVITY) != 0) { 16457 if (a != null && adj > ProcessList.FOREGROUND_APP_ADJ && 16458 (a.visible || a.state == ActivityState.RESUMED 16459 || a.state == ActivityState.PAUSING)) { 16460 adj = ProcessList.FOREGROUND_APP_ADJ; 16461 if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { 16462 schedGroup = Process.THREAD_GROUP_DEFAULT; 16463 } 16464 app.cached = false; 16465 app.adjType = "service"; 16466 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 16467 .REASON_SERVICE_IN_USE; 16468 app.adjSource = a; 16469 app.adjSourceProcState = procState; 16470 app.adjTarget = s.name; 16471 } 16472 } 16473 } 16474 } 16475 } 16476 16477 for (int provi = app.pubProviders.size()-1; 16478 provi >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16479 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16480 || procState > ActivityManager.PROCESS_STATE_TOP); 16481 provi--) { 16482 ContentProviderRecord cpr = app.pubProviders.valueAt(provi); 16483 for (int i = cpr.connections.size()-1; 16484 i >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 16485 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 16486 || procState > ActivityManager.PROCESS_STATE_TOP); 16487 i--) { 16488 ContentProviderConnection conn = cpr.connections.get(i); 16489 ProcessRecord client = conn.client; 16490 if (client == app) { 16491 // Being our own client is not interesting. 16492 continue; 16493 } 16494 int clientAdj = computeOomAdjLocked(client, cachedAdj, TOP_APP, doingAll, now); 16495 int clientProcState = client.curProcState; 16496 if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 16497 // If the other app is cached for any reason, for purposes here 16498 // we are going to consider it empty. 16499 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16500 } 16501 if (adj > clientAdj) { 16502 if (app.hasShownUi && app != mHomeProcess 16503 && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 16504 app.adjType = "cch-ui-provider"; 16505 } else { 16506 adj = clientAdj > ProcessList.FOREGROUND_APP_ADJ 16507 ? clientAdj : ProcessList.FOREGROUND_APP_ADJ; 16508 app.adjType = "provider"; 16509 } 16510 app.cached &= client.cached; 16511 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 16512 .REASON_PROVIDER_IN_USE; 16513 app.adjSource = client; 16514 app.adjSourceProcState = clientProcState; 16515 app.adjTarget = cpr.name; 16516 } 16517 if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) { 16518 if (clientProcState == ActivityManager.PROCESS_STATE_TOP) { 16519 // Special handling of clients who are in the top state. 16520 // We *may* want to consider this process to be in the 16521 // top state as well, but only if there is not another 16522 // reason for it to be running. Being on the top is a 16523 // special state, meaning you are specifically running 16524 // for the current top app. If the process is already 16525 // running in the background for some other reason, it 16526 // is more important to continue considering it to be 16527 // in the background state. 16528 mayBeTop = true; 16529 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 16530 } else { 16531 // Special handling for above-top states (persistent 16532 // processes). These should not bring the current process 16533 // into the top state, since they are not on top. Instead 16534 // give them the best state after that. 16535 clientProcState = 16536 ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16537 } 16538 } 16539 if (procState > clientProcState) { 16540 procState = clientProcState; 16541 } 16542 if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { 16543 schedGroup = Process.THREAD_GROUP_DEFAULT; 16544 } 16545 } 16546 // If the provider has external (non-framework) process 16547 // dependencies, ensure that its adjustment is at least 16548 // FOREGROUND_APP_ADJ. 16549 if (cpr.hasExternalProcessHandles()) { 16550 if (adj > ProcessList.FOREGROUND_APP_ADJ) { 16551 adj = ProcessList.FOREGROUND_APP_ADJ; 16552 schedGroup = Process.THREAD_GROUP_DEFAULT; 16553 app.cached = false; 16554 app.adjType = "provider"; 16555 app.adjTarget = cpr.name; 16556 } 16557 if (procState > ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND) { 16558 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16559 } 16560 } 16561 } 16562 16563 if (mayBeTop && procState > ActivityManager.PROCESS_STATE_TOP) { 16564 // A client of one of our services or providers is in the top state. We 16565 // *may* want to be in the top state, but not if we are already running in 16566 // the background for some other reason. For the decision here, we are going 16567 // to pick out a few specific states that we want to remain in when a client 16568 // is top (states that tend to be longer-term) and otherwise allow it to go 16569 // to the top state. 16570 switch (procState) { 16571 case ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND: 16572 case ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND: 16573 case ActivityManager.PROCESS_STATE_SERVICE: 16574 // These all are longer-term states, so pull them up to the top 16575 // of the background states, but not all the way to the top state. 16576 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 16577 break; 16578 default: 16579 // Otherwise, top is a better choice, so take it. 16580 procState = ActivityManager.PROCESS_STATE_TOP; 16581 break; 16582 } 16583 } 16584 16585 if (procState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { 16586 if (app.hasClientActivities) { 16587 // This is a cached process, but with client activities. Mark it so. 16588 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; 16589 app.adjType = "cch-client-act"; 16590 } else if (app.treatLikeActivity) { 16591 // This is a cached process, but somebody wants us to treat it like it has 16592 // an activity, okay! 16593 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 16594 app.adjType = "cch-as-act"; 16595 } 16596 } 16597 16598 if (adj == ProcessList.SERVICE_ADJ) { 16599 if (doingAll) { 16600 app.serviceb = mNewNumAServiceProcs > (mNumServiceProcs/3); 16601 mNewNumServiceProcs++; 16602 //Slog.i(TAG, "ADJ " + app + " serviceb=" + app.serviceb); 16603 if (!app.serviceb) { 16604 // This service isn't far enough down on the LRU list to 16605 // normally be a B service, but if we are low on RAM and it 16606 // is large we want to force it down since we would prefer to 16607 // keep launcher over it. 16608 if (mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL 16609 && app.lastPss >= mProcessList.getCachedRestoreThresholdKb()) { 16610 app.serviceHighRam = true; 16611 app.serviceb = true; 16612 //Slog.i(TAG, "ADJ " + app + " high ram!"); 16613 } else { 16614 mNewNumAServiceProcs++; 16615 //Slog.i(TAG, "ADJ " + app + " not high ram!"); 16616 } 16617 } else { 16618 app.serviceHighRam = false; 16619 } 16620 } 16621 if (app.serviceb) { 16622 adj = ProcessList.SERVICE_B_ADJ; 16623 } 16624 } 16625 16626 app.curRawAdj = adj; 16627 16628 //Slog.i(TAG, "OOM ADJ " + app + ": pid=" + app.pid + 16629 // " adj=" + adj + " curAdj=" + app.curAdj + " maxAdj=" + app.maxAdj); 16630 if (adj > app.maxAdj) { 16631 adj = app.maxAdj; 16632 if (app.maxAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { 16633 schedGroup = Process.THREAD_GROUP_DEFAULT; 16634 } 16635 } 16636 16637 // Do final modification to adj. Everything we do between here and applying 16638 // the final setAdj must be done in this function, because we will also use 16639 // it when computing the final cached adj later. Note that we don't need to 16640 // worry about this for max adj above, since max adj will always be used to 16641 // keep it out of the cached vaues. 16642 app.curAdj = app.modifyRawOomAdj(adj); 16643 app.curSchedGroup = schedGroup; 16644 app.curProcState = procState; 16645 app.foregroundActivities = foregroundActivities; 16646 16647 return app.curRawAdj; 16648 } 16649 16650 /** 16651 * Schedule PSS collection of a process. 16652 */ 16653 void requestPssLocked(ProcessRecord proc, int procState) { 16654 if (mPendingPssProcesses.contains(proc)) { 16655 return; 16656 } 16657 if (mPendingPssProcesses.size() == 0) { 16658 mBgHandler.sendEmptyMessage(COLLECT_PSS_BG_MSG); 16659 } 16660 if (DEBUG_PSS) Slog.d(TAG, "Requesting PSS of: " + proc); 16661 proc.pssProcState = procState; 16662 mPendingPssProcesses.add(proc); 16663 } 16664 16665 /** 16666 * Schedule PSS collection of all processes. 16667 */ 16668 void requestPssAllProcsLocked(long now, boolean always, boolean memLowered) { 16669 if (!always) { 16670 if (now < (mLastFullPssTime + 16671 (memLowered ? FULL_PSS_LOWERED_INTERVAL : FULL_PSS_MIN_INTERVAL))) { 16672 return; 16673 } 16674 } 16675 if (DEBUG_PSS) Slog.d(TAG, "Requesting PSS of all procs! memLowered=" + memLowered); 16676 mLastFullPssTime = now; 16677 mFullPssPending = true; 16678 mPendingPssProcesses.ensureCapacity(mLruProcesses.size()); 16679 mPendingPssProcesses.clear(); 16680 for (int i=mLruProcesses.size()-1; i>=0; i--) { 16681 ProcessRecord app = mLruProcesses.get(i); 16682 if (memLowered || now > (app.lastStateTime+ProcessList.PSS_ALL_INTERVAL)) { 16683 app.pssProcState = app.setProcState; 16684 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, true, 16685 isSleeping(), now); 16686 mPendingPssProcesses.add(app); 16687 } 16688 } 16689 mBgHandler.sendEmptyMessage(COLLECT_PSS_BG_MSG); 16690 } 16691 16692 /** 16693 * Ask a given process to GC right now. 16694 */ 16695 final void performAppGcLocked(ProcessRecord app) { 16696 try { 16697 app.lastRequestedGc = SystemClock.uptimeMillis(); 16698 if (app.thread != null) { 16699 if (app.reportLowMemory) { 16700 app.reportLowMemory = false; 16701 app.thread.scheduleLowMemory(); 16702 } else { 16703 app.thread.processInBackground(); 16704 } 16705 } 16706 } catch (Exception e) { 16707 // whatever. 16708 } 16709 } 16710 16711 /** 16712 * Returns true if things are idle enough to perform GCs. 16713 */ 16714 private final boolean canGcNowLocked() { 16715 boolean processingBroadcasts = false; 16716 for (BroadcastQueue q : mBroadcastQueues) { 16717 if (q.mParallelBroadcasts.size() != 0 || q.mOrderedBroadcasts.size() != 0) { 16718 processingBroadcasts = true; 16719 } 16720 } 16721 return !processingBroadcasts 16722 && (isSleeping() || mStackSupervisor.allResumedActivitiesIdle()); 16723 } 16724 16725 /** 16726 * Perform GCs on all processes that are waiting for it, but only 16727 * if things are idle. 16728 */ 16729 final void performAppGcsLocked() { 16730 final int N = mProcessesToGc.size(); 16731 if (N <= 0) { 16732 return; 16733 } 16734 if (canGcNowLocked()) { 16735 while (mProcessesToGc.size() > 0) { 16736 ProcessRecord proc = mProcessesToGc.remove(0); 16737 if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ || proc.reportLowMemory) { 16738 if ((proc.lastRequestedGc+GC_MIN_INTERVAL) 16739 <= SystemClock.uptimeMillis()) { 16740 // To avoid spamming the system, we will GC processes one 16741 // at a time, waiting a few seconds between each. 16742 performAppGcLocked(proc); 16743 scheduleAppGcsLocked(); 16744 return; 16745 } else { 16746 // It hasn't been long enough since we last GCed this 16747 // process... put it in the list to wait for its time. 16748 addProcessToGcListLocked(proc); 16749 break; 16750 } 16751 } 16752 } 16753 16754 scheduleAppGcsLocked(); 16755 } 16756 } 16757 16758 /** 16759 * If all looks good, perform GCs on all processes waiting for them. 16760 */ 16761 final void performAppGcsIfAppropriateLocked() { 16762 if (canGcNowLocked()) { 16763 performAppGcsLocked(); 16764 return; 16765 } 16766 // Still not idle, wait some more. 16767 scheduleAppGcsLocked(); 16768 } 16769 16770 /** 16771 * Schedule the execution of all pending app GCs. 16772 */ 16773 final void scheduleAppGcsLocked() { 16774 mHandler.removeMessages(GC_BACKGROUND_PROCESSES_MSG); 16775 16776 if (mProcessesToGc.size() > 0) { 16777 // Schedule a GC for the time to the next process. 16778 ProcessRecord proc = mProcessesToGc.get(0); 16779 Message msg = mHandler.obtainMessage(GC_BACKGROUND_PROCESSES_MSG); 16780 16781 long when = proc.lastRequestedGc + GC_MIN_INTERVAL; 16782 long now = SystemClock.uptimeMillis(); 16783 if (when < (now+GC_TIMEOUT)) { 16784 when = now + GC_TIMEOUT; 16785 } 16786 mHandler.sendMessageAtTime(msg, when); 16787 } 16788 } 16789 16790 /** 16791 * Add a process to the array of processes waiting to be GCed. Keeps the 16792 * list in sorted order by the last GC time. The process can't already be 16793 * on the list. 16794 */ 16795 final void addProcessToGcListLocked(ProcessRecord proc) { 16796 boolean added = false; 16797 for (int i=mProcessesToGc.size()-1; i>=0; i--) { 16798 if (mProcessesToGc.get(i).lastRequestedGc < 16799 proc.lastRequestedGc) { 16800 added = true; 16801 mProcessesToGc.add(i+1, proc); 16802 break; 16803 } 16804 } 16805 if (!added) { 16806 mProcessesToGc.add(0, proc); 16807 } 16808 } 16809 16810 /** 16811 * Set up to ask a process to GC itself. This will either do it 16812 * immediately, or put it on the list of processes to gc the next 16813 * time things are idle. 16814 */ 16815 final void scheduleAppGcLocked(ProcessRecord app) { 16816 long now = SystemClock.uptimeMillis(); 16817 if ((app.lastRequestedGc+GC_MIN_INTERVAL) > now) { 16818 return; 16819 } 16820 if (!mProcessesToGc.contains(app)) { 16821 addProcessToGcListLocked(app); 16822 scheduleAppGcsLocked(); 16823 } 16824 } 16825 16826 final void checkExcessivePowerUsageLocked(boolean doKills) { 16827 updateCpuStatsNow(); 16828 16829 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 16830 boolean doWakeKills = doKills; 16831 boolean doCpuKills = doKills; 16832 if (mLastPowerCheckRealtime == 0) { 16833 doWakeKills = false; 16834 } 16835 if (mLastPowerCheckUptime == 0) { 16836 doCpuKills = false; 16837 } 16838 if (stats.isScreenOn()) { 16839 doWakeKills = false; 16840 } 16841 final long curRealtime = SystemClock.elapsedRealtime(); 16842 final long realtimeSince = curRealtime - mLastPowerCheckRealtime; 16843 final long curUptime = SystemClock.uptimeMillis(); 16844 final long uptimeSince = curUptime - mLastPowerCheckUptime; 16845 mLastPowerCheckRealtime = curRealtime; 16846 mLastPowerCheckUptime = curUptime; 16847 if (realtimeSince < WAKE_LOCK_MIN_CHECK_DURATION) { 16848 doWakeKills = false; 16849 } 16850 if (uptimeSince < CPU_MIN_CHECK_DURATION) { 16851 doCpuKills = false; 16852 } 16853 int i = mLruProcesses.size(); 16854 while (i > 0) { 16855 i--; 16856 ProcessRecord app = mLruProcesses.get(i); 16857 if (app.setProcState >= ActivityManager.PROCESS_STATE_HOME) { 16858 long wtime; 16859 synchronized (stats) { 16860 wtime = stats.getProcessWakeTime(app.info.uid, 16861 app.pid, curRealtime); 16862 } 16863 long wtimeUsed = wtime - app.lastWakeTime; 16864 long cputimeUsed = app.curCpuTime - app.lastCpuTime; 16865 if (DEBUG_POWER) { 16866 StringBuilder sb = new StringBuilder(128); 16867 sb.append("Wake for "); 16868 app.toShortString(sb); 16869 sb.append(": over "); 16870 TimeUtils.formatDuration(realtimeSince, sb); 16871 sb.append(" used "); 16872 TimeUtils.formatDuration(wtimeUsed, sb); 16873 sb.append(" ("); 16874 sb.append((wtimeUsed*100)/realtimeSince); 16875 sb.append("%)"); 16876 Slog.i(TAG, sb.toString()); 16877 sb.setLength(0); 16878 sb.append("CPU for "); 16879 app.toShortString(sb); 16880 sb.append(": over "); 16881 TimeUtils.formatDuration(uptimeSince, sb); 16882 sb.append(" used "); 16883 TimeUtils.formatDuration(cputimeUsed, sb); 16884 sb.append(" ("); 16885 sb.append((cputimeUsed*100)/uptimeSince); 16886 sb.append("%)"); 16887 Slog.i(TAG, sb.toString()); 16888 } 16889 // If a process has held a wake lock for more 16890 // than 50% of the time during this period, 16891 // that sounds bad. Kill! 16892 if (doWakeKills && realtimeSince > 0 16893 && ((wtimeUsed*100)/realtimeSince) >= 50) { 16894 synchronized (stats) { 16895 stats.reportExcessiveWakeLocked(app.info.uid, app.processName, 16896 realtimeSince, wtimeUsed); 16897 } 16898 app.kill("excessive wake held " + wtimeUsed + " during " + realtimeSince, true); 16899 app.baseProcessTracker.reportExcessiveWake(app.pkgList); 16900 } else if (doCpuKills && uptimeSince > 0 16901 && ((cputimeUsed*100)/uptimeSince) >= 25) { 16902 synchronized (stats) { 16903 stats.reportExcessiveCpuLocked(app.info.uid, app.processName, 16904 uptimeSince, cputimeUsed); 16905 } 16906 app.kill("excessive cpu " + cputimeUsed + " during " + uptimeSince, true); 16907 app.baseProcessTracker.reportExcessiveCpu(app.pkgList); 16908 } else { 16909 app.lastWakeTime = wtime; 16910 app.lastCpuTime = app.curCpuTime; 16911 } 16912 } 16913 } 16914 } 16915 16916 private final boolean applyOomAdjLocked(ProcessRecord app, 16917 ProcessRecord TOP_APP, boolean doingAll, long now) { 16918 boolean success = true; 16919 16920 if (app.curRawAdj != app.setRawAdj) { 16921 app.setRawAdj = app.curRawAdj; 16922 } 16923 16924 int changes = 0; 16925 16926 if (app.curAdj != app.setAdj) { 16927 ProcessList.setOomAdj(app.pid, app.info.uid, app.curAdj); 16928 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v( 16929 TAG, "Set " + app.pid + " " + app.processName + 16930 " adj " + app.curAdj + ": " + app.adjType); 16931 app.setAdj = app.curAdj; 16932 } 16933 16934 if (app.setSchedGroup != app.curSchedGroup) { 16935 app.setSchedGroup = app.curSchedGroup; 16936 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16937 "Setting process group of " + app.processName 16938 + " to " + app.curSchedGroup); 16939 if (app.waitingToKill != null && 16940 app.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { 16941 app.kill(app.waitingToKill, true); 16942 success = false; 16943 } else { 16944 if (true) { 16945 long oldId = Binder.clearCallingIdentity(); 16946 try { 16947 Process.setProcessGroup(app.pid, app.curSchedGroup); 16948 } catch (Exception e) { 16949 Slog.w(TAG, "Failed setting process group of " + app.pid 16950 + " to " + app.curSchedGroup); 16951 e.printStackTrace(); 16952 } finally { 16953 Binder.restoreCallingIdentity(oldId); 16954 } 16955 } else { 16956 if (app.thread != null) { 16957 try { 16958 app.thread.setSchedulingGroup(app.curSchedGroup); 16959 } catch (RemoteException e) { 16960 } 16961 } 16962 } 16963 Process.setSwappiness(app.pid, 16964 app.curSchedGroup <= Process.THREAD_GROUP_BG_NONINTERACTIVE); 16965 } 16966 } 16967 if (app.repForegroundActivities != app.foregroundActivities) { 16968 app.repForegroundActivities = app.foregroundActivities; 16969 changes |= ProcessChangeItem.CHANGE_ACTIVITIES; 16970 } 16971 if (app.repProcState != app.curProcState) { 16972 app.repProcState = app.curProcState; 16973 changes |= ProcessChangeItem.CHANGE_PROCESS_STATE; 16974 if (app.thread != null) { 16975 try { 16976 if (false) { 16977 //RuntimeException h = new RuntimeException("here"); 16978 Slog.i(TAG, "Sending new process state " + app.repProcState 16979 + " to " + app /*, h*/); 16980 } 16981 app.thread.setProcessState(app.repProcState); 16982 } catch (RemoteException e) { 16983 } 16984 } 16985 } 16986 if (app.setProcState < 0 || ProcessList.procStatesDifferForMem(app.curProcState, 16987 app.setProcState)) { 16988 app.lastStateTime = now; 16989 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, true, 16990 isSleeping(), now); 16991 if (DEBUG_PSS) Slog.d(TAG, "Process state change from " 16992 + ProcessList.makeProcStateString(app.setProcState) + " to " 16993 + ProcessList.makeProcStateString(app.curProcState) + " next pss in " 16994 + (app.nextPssTime-now) + ": " + app); 16995 } else { 16996 if (now > app.nextPssTime || (now > (app.lastPssTime+ProcessList.PSS_MAX_INTERVAL) 16997 && now > (app.lastStateTime+ProcessList.PSS_MIN_TIME_FROM_STATE_CHANGE))) { 16998 requestPssLocked(app, app.setProcState); 16999 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, false, 17000 isSleeping(), now); 17001 } else if (false && DEBUG_PSS) { 17002 Slog.d(TAG, "Not requesting PSS of " + app + ": next=" + (app.nextPssTime-now)); 17003 } 17004 } 17005 if (app.setProcState != app.curProcState) { 17006 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17007 "Proc state change of " + app.processName 17008 + " to " + app.curProcState); 17009 boolean setImportant = app.setProcState < ActivityManager.PROCESS_STATE_SERVICE; 17010 boolean curImportant = app.curProcState < ActivityManager.PROCESS_STATE_SERVICE; 17011 if (setImportant && !curImportant) { 17012 // This app is no longer something we consider important enough to allow to 17013 // use arbitrary amounts of battery power. Note 17014 // its current wake lock time to later know to kill it if 17015 // it is not behaving well. 17016 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 17017 synchronized (stats) { 17018 app.lastWakeTime = stats.getProcessWakeTime(app.info.uid, 17019 app.pid, SystemClock.elapsedRealtime()); 17020 } 17021 app.lastCpuTime = app.curCpuTime; 17022 17023 } 17024 app.setProcState = app.curProcState; 17025 if (app.setProcState >= ActivityManager.PROCESS_STATE_HOME) { 17026 app.notCachedSinceIdle = false; 17027 } 17028 if (!doingAll) { 17029 setProcessTrackerStateLocked(app, mProcessStats.getMemFactorLocked(), now); 17030 } else { 17031 app.procStateChanged = true; 17032 } 17033 } 17034 17035 if (changes != 0) { 17036 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Changes in " + app + ": " + changes); 17037 int i = mPendingProcessChanges.size()-1; 17038 ProcessChangeItem item = null; 17039 while (i >= 0) { 17040 item = mPendingProcessChanges.get(i); 17041 if (item.pid == app.pid) { 17042 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Re-using existing item: " + item); 17043 break; 17044 } 17045 i--; 17046 } 17047 if (i < 0) { 17048 // No existing item in pending changes; need a new one. 17049 final int NA = mAvailProcessChanges.size(); 17050 if (NA > 0) { 17051 item = mAvailProcessChanges.remove(NA-1); 17052 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Retreiving available item: " + item); 17053 } else { 17054 item = new ProcessChangeItem(); 17055 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Allocating new item: " + item); 17056 } 17057 item.changes = 0; 17058 item.pid = app.pid; 17059 item.uid = app.info.uid; 17060 if (mPendingProcessChanges.size() == 0) { 17061 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, 17062 "*** Enqueueing dispatch processes changed!"); 17063 mHandler.obtainMessage(DISPATCH_PROCESSES_CHANGED).sendToTarget(); 17064 } 17065 mPendingProcessChanges.add(item); 17066 } 17067 item.changes |= changes; 17068 item.processState = app.repProcState; 17069 item.foregroundActivities = app.repForegroundActivities; 17070 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Item " 17071 + Integer.toHexString(System.identityHashCode(item)) 17072 + " " + app.toShortString() + ": changes=" + item.changes 17073 + " procState=" + item.processState 17074 + " foreground=" + item.foregroundActivities 17075 + " type=" + app.adjType + " source=" + app.adjSource 17076 + " target=" + app.adjTarget); 17077 } 17078 17079 return success; 17080 } 17081 17082 private final void setProcessTrackerStateLocked(ProcessRecord proc, int memFactor, long now) { 17083 if (proc.thread != null) { 17084 if (proc.baseProcessTracker != null) { 17085 proc.baseProcessTracker.setState(proc.repProcState, memFactor, now, proc.pkgList); 17086 } 17087 if (proc.repProcState >= 0) { 17088 mBatteryStatsService.noteProcessState(proc.processName, proc.info.uid, 17089 proc.repProcState); 17090 } 17091 } 17092 } 17093 17094 private final boolean updateOomAdjLocked(ProcessRecord app, int cachedAdj, 17095 ProcessRecord TOP_APP, boolean doingAll, long now) { 17096 if (app.thread == null) { 17097 return false; 17098 } 17099 17100 computeOomAdjLocked(app, cachedAdj, TOP_APP, doingAll, now); 17101 17102 return applyOomAdjLocked(app, TOP_APP, doingAll, now); 17103 } 17104 17105 final void updateProcessForegroundLocked(ProcessRecord proc, boolean isForeground, 17106 boolean oomAdj) { 17107 if (isForeground != proc.foregroundServices) { 17108 proc.foregroundServices = isForeground; 17109 ArrayList<ProcessRecord> curProcs = mForegroundPackages.get(proc.info.packageName, 17110 proc.info.uid); 17111 if (isForeground) { 17112 if (curProcs == null) { 17113 curProcs = new ArrayList<ProcessRecord>(); 17114 mForegroundPackages.put(proc.info.packageName, proc.info.uid, curProcs); 17115 } 17116 if (!curProcs.contains(proc)) { 17117 curProcs.add(proc); 17118 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_FOREGROUND_START, 17119 proc.info.packageName, proc.info.uid); 17120 } 17121 } else { 17122 if (curProcs != null) { 17123 if (curProcs.remove(proc)) { 17124 mBatteryStatsService.noteEvent( 17125 BatteryStats.HistoryItem.EVENT_FOREGROUND_FINISH, 17126 proc.info.packageName, proc.info.uid); 17127 if (curProcs.size() <= 0) { 17128 mForegroundPackages.remove(proc.info.packageName, proc.info.uid); 17129 } 17130 } 17131 } 17132 } 17133 if (oomAdj) { 17134 updateOomAdjLocked(); 17135 } 17136 } 17137 } 17138 17139 private final ActivityRecord resumedAppLocked() { 17140 ActivityRecord act = mStackSupervisor.resumedAppLocked(); 17141 String pkg; 17142 int uid; 17143 if (act != null) { 17144 pkg = act.packageName; 17145 uid = act.info.applicationInfo.uid; 17146 } else { 17147 pkg = null; 17148 uid = -1; 17149 } 17150 // Has the UID or resumed package name changed? 17151 if (uid != mCurResumedUid || (pkg != mCurResumedPackage 17152 && (pkg == null || !pkg.equals(mCurResumedPackage)))) { 17153 if (mCurResumedPackage != null) { 17154 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_TOP_FINISH, 17155 mCurResumedPackage, mCurResumedUid); 17156 } 17157 mCurResumedPackage = pkg; 17158 mCurResumedUid = uid; 17159 if (mCurResumedPackage != null) { 17160 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_TOP_START, 17161 mCurResumedPackage, mCurResumedUid); 17162 } 17163 } 17164 return act; 17165 } 17166 17167 final boolean updateOomAdjLocked(ProcessRecord app) { 17168 final ActivityRecord TOP_ACT = resumedAppLocked(); 17169 final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; 17170 final boolean wasCached = app.cached; 17171 17172 mAdjSeq++; 17173 17174 // This is the desired cached adjusment we want to tell it to use. 17175 // If our app is currently cached, we know it, and that is it. Otherwise, 17176 // we don't know it yet, and it needs to now be cached we will then 17177 // need to do a complete oom adj. 17178 final int cachedAdj = app.curRawAdj >= ProcessList.CACHED_APP_MIN_ADJ 17179 ? app.curRawAdj : ProcessList.UNKNOWN_ADJ; 17180 boolean success = updateOomAdjLocked(app, cachedAdj, TOP_APP, false, 17181 SystemClock.uptimeMillis()); 17182 if (wasCached != app.cached || app.curRawAdj == ProcessList.UNKNOWN_ADJ) { 17183 // Changed to/from cached state, so apps after it in the LRU 17184 // list may also be changed. 17185 updateOomAdjLocked(); 17186 } 17187 return success; 17188 } 17189 17190 final void updateOomAdjLocked() { 17191 final ActivityRecord TOP_ACT = resumedAppLocked(); 17192 final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; 17193 final long now = SystemClock.uptimeMillis(); 17194 final long oldTime = now - ProcessList.MAX_EMPTY_TIME; 17195 final int N = mLruProcesses.size(); 17196 17197 if (false) { 17198 RuntimeException e = new RuntimeException(); 17199 e.fillInStackTrace(); 17200 Slog.i(TAG, "updateOomAdj: top=" + TOP_ACT, e); 17201 } 17202 17203 mAdjSeq++; 17204 mNewNumServiceProcs = 0; 17205 mNewNumAServiceProcs = 0; 17206 17207 final int emptyProcessLimit; 17208 final int cachedProcessLimit; 17209 if (mProcessLimit <= 0) { 17210 emptyProcessLimit = cachedProcessLimit = 0; 17211 } else if (mProcessLimit == 1) { 17212 emptyProcessLimit = 1; 17213 cachedProcessLimit = 0; 17214 } else { 17215 emptyProcessLimit = ProcessList.computeEmptyProcessLimit(mProcessLimit); 17216 cachedProcessLimit = mProcessLimit - emptyProcessLimit; 17217 } 17218 17219 // Let's determine how many processes we have running vs. 17220 // how many slots we have for background processes; we may want 17221 // to put multiple processes in a slot of there are enough of 17222 // them. 17223 int numSlots = (ProcessList.CACHED_APP_MAX_ADJ 17224 - ProcessList.CACHED_APP_MIN_ADJ + 1) / 2; 17225 int numEmptyProcs = N - mNumNonCachedProcs - mNumCachedHiddenProcs; 17226 if (numEmptyProcs > cachedProcessLimit) { 17227 // If there are more empty processes than our limit on cached 17228 // processes, then use the cached process limit for the factor. 17229 // This ensures that the really old empty processes get pushed 17230 // down to the bottom, so if we are running low on memory we will 17231 // have a better chance at keeping around more cached processes 17232 // instead of a gazillion empty processes. 17233 numEmptyProcs = cachedProcessLimit; 17234 } 17235 int emptyFactor = numEmptyProcs/numSlots; 17236 if (emptyFactor < 1) emptyFactor = 1; 17237 int cachedFactor = (mNumCachedHiddenProcs > 0 ? mNumCachedHiddenProcs : 1)/numSlots; 17238 if (cachedFactor < 1) cachedFactor = 1; 17239 int stepCached = 0; 17240 int stepEmpty = 0; 17241 int numCached = 0; 17242 int numEmpty = 0; 17243 int numTrimming = 0; 17244 17245 mNumNonCachedProcs = 0; 17246 mNumCachedHiddenProcs = 0; 17247 17248 // First update the OOM adjustment for each of the 17249 // application processes based on their current state. 17250 int curCachedAdj = ProcessList.CACHED_APP_MIN_ADJ; 17251 int nextCachedAdj = curCachedAdj+1; 17252 int curEmptyAdj = ProcessList.CACHED_APP_MIN_ADJ; 17253 int nextEmptyAdj = curEmptyAdj+2; 17254 for (int i=N-1; i>=0; i--) { 17255 ProcessRecord app = mLruProcesses.get(i); 17256 if (!app.killedByAm && app.thread != null) { 17257 app.procStateChanged = false; 17258 computeOomAdjLocked(app, ProcessList.UNKNOWN_ADJ, TOP_APP, true, now); 17259 17260 // If we haven't yet assigned the final cached adj 17261 // to the process, do that now. 17262 if (app.curAdj >= ProcessList.UNKNOWN_ADJ) { 17263 switch (app.curProcState) { 17264 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: 17265 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 17266 // This process is a cached process holding activities... 17267 // assign it the next cached value for that type, and then 17268 // step that cached level. 17269 app.curRawAdj = curCachedAdj; 17270 app.curAdj = app.modifyRawOomAdj(curCachedAdj); 17271 if (DEBUG_LRU && false) Slog.d(TAG, "Assigning activity LRU #" + i 17272 + " adj: " + app.curAdj + " (curCachedAdj=" + curCachedAdj 17273 + ")"); 17274 if (curCachedAdj != nextCachedAdj) { 17275 stepCached++; 17276 if (stepCached >= cachedFactor) { 17277 stepCached = 0; 17278 curCachedAdj = nextCachedAdj; 17279 nextCachedAdj += 2; 17280 if (nextCachedAdj > ProcessList.CACHED_APP_MAX_ADJ) { 17281 nextCachedAdj = ProcessList.CACHED_APP_MAX_ADJ; 17282 } 17283 } 17284 } 17285 break; 17286 default: 17287 // For everything else, assign next empty cached process 17288 // level and bump that up. Note that this means that 17289 // long-running services that have dropped down to the 17290 // cached level will be treated as empty (since their process 17291 // state is still as a service), which is what we want. 17292 app.curRawAdj = curEmptyAdj; 17293 app.curAdj = app.modifyRawOomAdj(curEmptyAdj); 17294 if (DEBUG_LRU && false) Slog.d(TAG, "Assigning empty LRU #" + i 17295 + " adj: " + app.curAdj + " (curEmptyAdj=" + curEmptyAdj 17296 + ")"); 17297 if (curEmptyAdj != nextEmptyAdj) { 17298 stepEmpty++; 17299 if (stepEmpty >= emptyFactor) { 17300 stepEmpty = 0; 17301 curEmptyAdj = nextEmptyAdj; 17302 nextEmptyAdj += 2; 17303 if (nextEmptyAdj > ProcessList.CACHED_APP_MAX_ADJ) { 17304 nextEmptyAdj = ProcessList.CACHED_APP_MAX_ADJ; 17305 } 17306 } 17307 } 17308 break; 17309 } 17310 } 17311 17312 applyOomAdjLocked(app, TOP_APP, true, now); 17313 17314 // Count the number of process types. 17315 switch (app.curProcState) { 17316 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: 17317 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 17318 mNumCachedHiddenProcs++; 17319 numCached++; 17320 if (numCached > cachedProcessLimit) { 17321 app.kill("cached #" + numCached, true); 17322 } 17323 break; 17324 case ActivityManager.PROCESS_STATE_CACHED_EMPTY: 17325 if (numEmpty > ProcessList.TRIM_EMPTY_APPS 17326 && app.lastActivityTime < oldTime) { 17327 app.kill("empty for " 17328 + ((oldTime + ProcessList.MAX_EMPTY_TIME - app.lastActivityTime) 17329 / 1000) + "s", true); 17330 } else { 17331 numEmpty++; 17332 if (numEmpty > emptyProcessLimit) { 17333 app.kill("empty #" + numEmpty, true); 17334 } 17335 } 17336 break; 17337 default: 17338 mNumNonCachedProcs++; 17339 break; 17340 } 17341 17342 if (app.isolated && app.services.size() <= 0) { 17343 // If this is an isolated process, and there are no 17344 // services running in it, then the process is no longer 17345 // needed. We agressively kill these because we can by 17346 // definition not re-use the same process again, and it is 17347 // good to avoid having whatever code was running in them 17348 // left sitting around after no longer needed. 17349 app.kill("isolated not needed", true); 17350 } 17351 17352 if (app.curProcState >= ActivityManager.PROCESS_STATE_HOME 17353 && !app.killedByAm) { 17354 numTrimming++; 17355 } 17356 } 17357 } 17358 17359 mNumServiceProcs = mNewNumServiceProcs; 17360 17361 // Now determine the memory trimming level of background processes. 17362 // Unfortunately we need to start at the back of the list to do this 17363 // properly. We only do this if the number of background apps we 17364 // are managing to keep around is less than half the maximum we desire; 17365 // if we are keeping a good number around, we'll let them use whatever 17366 // memory they want. 17367 final int numCachedAndEmpty = numCached + numEmpty; 17368 int memFactor; 17369 if (numCached <= ProcessList.TRIM_CACHED_APPS 17370 && numEmpty <= ProcessList.TRIM_EMPTY_APPS) { 17371 if (numCachedAndEmpty <= ProcessList.TRIM_CRITICAL_THRESHOLD) { 17372 memFactor = ProcessStats.ADJ_MEM_FACTOR_CRITICAL; 17373 } else if (numCachedAndEmpty <= ProcessList.TRIM_LOW_THRESHOLD) { 17374 memFactor = ProcessStats.ADJ_MEM_FACTOR_LOW; 17375 } else { 17376 memFactor = ProcessStats.ADJ_MEM_FACTOR_MODERATE; 17377 } 17378 } else { 17379 memFactor = ProcessStats.ADJ_MEM_FACTOR_NORMAL; 17380 } 17381 // We always allow the memory level to go up (better). We only allow it to go 17382 // down if we are in a state where that is allowed, *and* the total number of processes 17383 // has gone down since last time. 17384 if (DEBUG_OOM_ADJ) Slog.d(TAG, "oom: memFactor=" + memFactor + " last=" + mLastMemoryLevel 17385 + " allowLow=" + mAllowLowerMemLevel + " numProcs=" + mLruProcesses.size() 17386 + " last=" + mLastNumProcesses); 17387 if (memFactor > mLastMemoryLevel) { 17388 if (!mAllowLowerMemLevel || mLruProcesses.size() >= mLastNumProcesses) { 17389 memFactor = mLastMemoryLevel; 17390 if (DEBUG_OOM_ADJ) Slog.d(TAG, "Keeping last mem factor!"); 17391 } 17392 } 17393 mLastMemoryLevel = memFactor; 17394 mLastNumProcesses = mLruProcesses.size(); 17395 boolean allChanged = mProcessStats.setMemFactorLocked(memFactor, !isSleeping(), now); 17396 final int trackerMemFactor = mProcessStats.getMemFactorLocked(); 17397 if (memFactor != ProcessStats.ADJ_MEM_FACTOR_NORMAL) { 17398 if (mLowRamStartTime == 0) { 17399 mLowRamStartTime = now; 17400 } 17401 int step = 0; 17402 int fgTrimLevel; 17403 switch (memFactor) { 17404 case ProcessStats.ADJ_MEM_FACTOR_CRITICAL: 17405 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_CRITICAL; 17406 break; 17407 case ProcessStats.ADJ_MEM_FACTOR_LOW: 17408 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW; 17409 break; 17410 default: 17411 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_MODERATE; 17412 break; 17413 } 17414 int factor = numTrimming/3; 17415 int minFactor = 2; 17416 if (mHomeProcess != null) minFactor++; 17417 if (mPreviousProcess != null) minFactor++; 17418 if (factor < minFactor) factor = minFactor; 17419 int curLevel = ComponentCallbacks2.TRIM_MEMORY_COMPLETE; 17420 for (int i=N-1; i>=0; i--) { 17421 ProcessRecord app = mLruProcesses.get(i); 17422 if (allChanged || app.procStateChanged) { 17423 setProcessTrackerStateLocked(app, trackerMemFactor, now); 17424 app.procStateChanged = false; 17425 } 17426 if (app.curProcState >= ActivityManager.PROCESS_STATE_HOME 17427 && !app.killedByAm) { 17428 if (app.trimMemoryLevel < curLevel && app.thread != null) { 17429 try { 17430 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17431 "Trimming memory of " + app.processName 17432 + " to " + curLevel); 17433 app.thread.scheduleTrimMemory(curLevel); 17434 } catch (RemoteException e) { 17435 } 17436 if (false) { 17437 // For now we won't do this; our memory trimming seems 17438 // to be good enough at this point that destroying 17439 // activities causes more harm than good. 17440 if (curLevel >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE 17441 && app != mHomeProcess && app != mPreviousProcess) { 17442 // Need to do this on its own message because the stack may not 17443 // be in a consistent state at this point. 17444 // For these apps we will also finish their activities 17445 // to help them free memory. 17446 mStackSupervisor.scheduleDestroyAllActivities(app, "trim"); 17447 } 17448 } 17449 } 17450 app.trimMemoryLevel = curLevel; 17451 step++; 17452 if (step >= factor) { 17453 step = 0; 17454 switch (curLevel) { 17455 case ComponentCallbacks2.TRIM_MEMORY_COMPLETE: 17456 curLevel = ComponentCallbacks2.TRIM_MEMORY_MODERATE; 17457 break; 17458 case ComponentCallbacks2.TRIM_MEMORY_MODERATE: 17459 curLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; 17460 break; 17461 } 17462 } 17463 } else if (app.curProcState == ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) { 17464 if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_BACKGROUND 17465 && app.thread != null) { 17466 try { 17467 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17468 "Trimming memory of heavy-weight " + app.processName 17469 + " to " + ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); 17470 app.thread.scheduleTrimMemory( 17471 ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); 17472 } catch (RemoteException e) { 17473 } 17474 } 17475 app.trimMemoryLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; 17476 } else { 17477 if ((app.curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 17478 || app.systemNoUi) && app.pendingUiClean) { 17479 // If this application is now in the background and it 17480 // had done UI, then give it the special trim level to 17481 // have it free UI resources. 17482 final int level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN; 17483 if (app.trimMemoryLevel < level && app.thread != null) { 17484 try { 17485 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17486 "Trimming memory of bg-ui " + app.processName 17487 + " to " + level); 17488 app.thread.scheduleTrimMemory(level); 17489 } catch (RemoteException e) { 17490 } 17491 } 17492 app.pendingUiClean = false; 17493 } 17494 if (app.trimMemoryLevel < fgTrimLevel && app.thread != null) { 17495 try { 17496 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17497 "Trimming memory of fg " + app.processName 17498 + " to " + fgTrimLevel); 17499 app.thread.scheduleTrimMemory(fgTrimLevel); 17500 } catch (RemoteException e) { 17501 } 17502 } 17503 app.trimMemoryLevel = fgTrimLevel; 17504 } 17505 } 17506 } else { 17507 if (mLowRamStartTime != 0) { 17508 mLowRamTimeSinceLastIdle += now - mLowRamStartTime; 17509 mLowRamStartTime = 0; 17510 } 17511 for (int i=N-1; i>=0; i--) { 17512 ProcessRecord app = mLruProcesses.get(i); 17513 if (allChanged || app.procStateChanged) { 17514 setProcessTrackerStateLocked(app, trackerMemFactor, now); 17515 app.procStateChanged = false; 17516 } 17517 if ((app.curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 17518 || app.systemNoUi) && app.pendingUiClean) { 17519 if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN 17520 && app.thread != null) { 17521 try { 17522 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 17523 "Trimming memory of ui hidden " + app.processName 17524 + " to " + ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); 17525 app.thread.scheduleTrimMemory( 17526 ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); 17527 } catch (RemoteException e) { 17528 } 17529 } 17530 app.pendingUiClean = false; 17531 } 17532 app.trimMemoryLevel = 0; 17533 } 17534 } 17535 17536 if (mAlwaysFinishActivities) { 17537 // Need to do this on its own message because the stack may not 17538 // be in a consistent state at this point. 17539 mStackSupervisor.scheduleDestroyAllActivities(null, "always-finish"); 17540 } 17541 17542 if (allChanged) { 17543 requestPssAllProcsLocked(now, false, mProcessStats.isMemFactorLowered()); 17544 } 17545 17546 if (mProcessStats.shouldWriteNowLocked(now)) { 17547 mHandler.post(new Runnable() { 17548 @Override public void run() { 17549 synchronized (ActivityManagerService.this) { 17550 mProcessStats.writeStateAsyncLocked(); 17551 } 17552 } 17553 }); 17554 } 17555 17556 if (DEBUG_OOM_ADJ) { 17557 Slog.d(TAG, "Did OOM ADJ in " + (SystemClock.uptimeMillis()-now) + "ms"); 17558 } 17559 } 17560 17561 final void trimApplications() { 17562 synchronized (this) { 17563 int i; 17564 17565 // First remove any unused application processes whose package 17566 // has been removed. 17567 for (i=mRemovedProcesses.size()-1; i>=0; i--) { 17568 final ProcessRecord app = mRemovedProcesses.get(i); 17569 if (app.activities.size() == 0 17570 && app.curReceiver == null && app.services.size() == 0) { 17571 Slog.i( 17572 TAG, "Exiting empty application process " 17573 + app.processName + " (" 17574 + (app.thread != null ? app.thread.asBinder() : null) 17575 + ")\n"); 17576 if (app.pid > 0 && app.pid != MY_PID) { 17577 app.kill("empty", false); 17578 } else { 17579 try { 17580 app.thread.scheduleExit(); 17581 } catch (Exception e) { 17582 // Ignore exceptions. 17583 } 17584 } 17585 cleanUpApplicationRecordLocked(app, false, true, -1); 17586 mRemovedProcesses.remove(i); 17587 17588 if (app.persistent) { 17589 addAppLocked(app.info, false, null /* ABI override */); 17590 } 17591 } 17592 } 17593 17594 // Now update the oom adj for all processes. 17595 updateOomAdjLocked(); 17596 } 17597 } 17598 17599 /** This method sends the specified signal to each of the persistent apps */ 17600 public void signalPersistentProcesses(int sig) throws RemoteException { 17601 if (sig != Process.SIGNAL_USR1) { 17602 throw new SecurityException("Only SIGNAL_USR1 is allowed"); 17603 } 17604 17605 synchronized (this) { 17606 if (checkCallingPermission(android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES) 17607 != PackageManager.PERMISSION_GRANTED) { 17608 throw new SecurityException("Requires permission " 17609 + android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES); 17610 } 17611 17612 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 17613 ProcessRecord r = mLruProcesses.get(i); 17614 if (r.thread != null && r.persistent) { 17615 Process.sendSignal(r.pid, sig); 17616 } 17617 } 17618 } 17619 } 17620 17621 private void stopProfilerLocked(ProcessRecord proc, int profileType) { 17622 if (proc == null || proc == mProfileProc) { 17623 proc = mProfileProc; 17624 profileType = mProfileType; 17625 clearProfilerLocked(); 17626 } 17627 if (proc == null) { 17628 return; 17629 } 17630 try { 17631 proc.thread.profilerControl(false, null, profileType); 17632 } catch (RemoteException e) { 17633 throw new IllegalStateException("Process disappeared"); 17634 } 17635 } 17636 17637 private void clearProfilerLocked() { 17638 if (mProfileFd != null) { 17639 try { 17640 mProfileFd.close(); 17641 } catch (IOException e) { 17642 } 17643 } 17644 mProfileApp = null; 17645 mProfileProc = null; 17646 mProfileFile = null; 17647 mProfileType = 0; 17648 mAutoStopProfiler = false; 17649 mSamplingInterval = 0; 17650 } 17651 17652 public boolean profileControl(String process, int userId, boolean start, 17653 ProfilerInfo profilerInfo, int profileType) throws RemoteException { 17654 17655 try { 17656 synchronized (this) { 17657 // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to 17658 // its own permission. 17659 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 17660 != PackageManager.PERMISSION_GRANTED) { 17661 throw new SecurityException("Requires permission " 17662 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 17663 } 17664 17665 if (start && (profilerInfo == null || profilerInfo.profileFd == null)) { 17666 throw new IllegalArgumentException("null profile info or fd"); 17667 } 17668 17669 ProcessRecord proc = null; 17670 if (process != null) { 17671 proc = findProcessLocked(process, userId, "profileControl"); 17672 } 17673 17674 if (start && (proc == null || proc.thread == null)) { 17675 throw new IllegalArgumentException("Unknown process: " + process); 17676 } 17677 17678 if (start) { 17679 stopProfilerLocked(null, 0); 17680 setProfileApp(proc.info, proc.processName, profilerInfo); 17681 mProfileProc = proc; 17682 mProfileType = profileType; 17683 ParcelFileDescriptor fd = profilerInfo.profileFd; 17684 try { 17685 fd = fd.dup(); 17686 } catch (IOException e) { 17687 fd = null; 17688 } 17689 profilerInfo.profileFd = fd; 17690 proc.thread.profilerControl(start, profilerInfo, profileType); 17691 fd = null; 17692 mProfileFd = null; 17693 } else { 17694 stopProfilerLocked(proc, profileType); 17695 if (profilerInfo != null && profilerInfo.profileFd != null) { 17696 try { 17697 profilerInfo.profileFd.close(); 17698 } catch (IOException e) { 17699 } 17700 } 17701 } 17702 17703 return true; 17704 } 17705 } catch (RemoteException e) { 17706 throw new IllegalStateException("Process disappeared"); 17707 } finally { 17708 if (profilerInfo != null && profilerInfo.profileFd != null) { 17709 try { 17710 profilerInfo.profileFd.close(); 17711 } catch (IOException e) { 17712 } 17713 } 17714 } 17715 } 17716 17717 private ProcessRecord findProcessLocked(String process, int userId, String callName) { 17718 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 17719 userId, true, ALLOW_FULL_ONLY, callName, null); 17720 ProcessRecord proc = null; 17721 try { 17722 int pid = Integer.parseInt(process); 17723 synchronized (mPidsSelfLocked) { 17724 proc = mPidsSelfLocked.get(pid); 17725 } 17726 } catch (NumberFormatException e) { 17727 } 17728 17729 if (proc == null) { 17730 ArrayMap<String, SparseArray<ProcessRecord>> all 17731 = mProcessNames.getMap(); 17732 SparseArray<ProcessRecord> procs = all.get(process); 17733 if (procs != null && procs.size() > 0) { 17734 proc = procs.valueAt(0); 17735 if (userId != UserHandle.USER_ALL && proc.userId != userId) { 17736 for (int i=1; i<procs.size(); i++) { 17737 ProcessRecord thisProc = procs.valueAt(i); 17738 if (thisProc.userId == userId) { 17739 proc = thisProc; 17740 break; 17741 } 17742 } 17743 } 17744 } 17745 } 17746 17747 return proc; 17748 } 17749 17750 public boolean dumpHeap(String process, int userId, boolean managed, 17751 String path, ParcelFileDescriptor fd) throws RemoteException { 17752 17753 try { 17754 synchronized (this) { 17755 // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to 17756 // its own permission (same as profileControl). 17757 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 17758 != PackageManager.PERMISSION_GRANTED) { 17759 throw new SecurityException("Requires permission " 17760 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 17761 } 17762 17763 if (fd == null) { 17764 throw new IllegalArgumentException("null fd"); 17765 } 17766 17767 ProcessRecord proc = findProcessLocked(process, userId, "dumpHeap"); 17768 if (proc == null || proc.thread == null) { 17769 throw new IllegalArgumentException("Unknown process: " + process); 17770 } 17771 17772 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 17773 if (!isDebuggable) { 17774 if ((proc.info.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 17775 throw new SecurityException("Process not debuggable: " + proc); 17776 } 17777 } 17778 17779 proc.thread.dumpHeap(managed, path, fd); 17780 fd = null; 17781 return true; 17782 } 17783 } catch (RemoteException e) { 17784 throw new IllegalStateException("Process disappeared"); 17785 } finally { 17786 if (fd != null) { 17787 try { 17788 fd.close(); 17789 } catch (IOException e) { 17790 } 17791 } 17792 } 17793 } 17794 17795 /** In this method we try to acquire our lock to make sure that we have not deadlocked */ 17796 public void monitor() { 17797 synchronized (this) { } 17798 } 17799 17800 void onCoreSettingsChange(Bundle settings) { 17801 for (int i = mLruProcesses.size() - 1; i >= 0; i--) { 17802 ProcessRecord processRecord = mLruProcesses.get(i); 17803 try { 17804 if (processRecord.thread != null) { 17805 processRecord.thread.setCoreSettings(settings); 17806 } 17807 } catch (RemoteException re) { 17808 /* ignore */ 17809 } 17810 } 17811 } 17812 17813 // Multi-user methods 17814 17815 /** 17816 * Start user, if its not already running, but don't bring it to foreground. 17817 */ 17818 @Override 17819 public boolean startUserInBackground(final int userId) { 17820 return startUser(userId, /* foreground */ false); 17821 } 17822 17823 /** 17824 * Start user, if its not already running, and bring it to foreground. 17825 */ 17826 boolean startUserInForeground(final int userId, Dialog dlg) { 17827 boolean result = startUser(userId, /* foreground */ true); 17828 dlg.dismiss(); 17829 return result; 17830 } 17831 17832 /** 17833 * Refreshes the list of users related to the current user when either a 17834 * user switch happens or when a new related user is started in the 17835 * background. 17836 */ 17837 private void updateCurrentProfileIdsLocked() { 17838 final List<UserInfo> profiles = getUserManagerLocked().getProfiles( 17839 mCurrentUserId, false /* enabledOnly */); 17840 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 17841 for (int i = 0; i < currentProfileIds.length; i++) { 17842 currentProfileIds[i] = profiles.get(i).id; 17843 } 17844 mCurrentProfileIds = currentProfileIds; 17845 17846 synchronized (mUserProfileGroupIdsSelfLocked) { 17847 mUserProfileGroupIdsSelfLocked.clear(); 17848 final List<UserInfo> users = getUserManagerLocked().getUsers(false); 17849 for (int i = 0; i < users.size(); i++) { 17850 UserInfo user = users.get(i); 17851 if (user.profileGroupId != UserInfo.NO_PROFILE_GROUP_ID) { 17852 mUserProfileGroupIdsSelfLocked.put(user.id, user.profileGroupId); 17853 } 17854 } 17855 } 17856 } 17857 17858 private Set getProfileIdsLocked(int userId) { 17859 Set userIds = new HashSet<Integer>(); 17860 final List<UserInfo> profiles = getUserManagerLocked().getProfiles( 17861 userId, false /* enabledOnly */); 17862 for (UserInfo user : profiles) { 17863 userIds.add(Integer.valueOf(user.id)); 17864 } 17865 return userIds; 17866 } 17867 17868 @Override 17869 public boolean switchUser(final int userId) { 17870 String userName; 17871 synchronized (this) { 17872 UserInfo userInfo = getUserManagerLocked().getUserInfo(userId); 17873 if (userInfo == null) { 17874 Slog.w(TAG, "No user info for user #" + userId); 17875 return false; 17876 } 17877 if (userInfo.isManagedProfile()) { 17878 Slog.w(TAG, "Cannot switch to User #" + userId + ": not a full user"); 17879 return false; 17880 } 17881 userName = userInfo.name; 17882 } 17883 mHandler.removeMessages(START_USER_SWITCH_MSG); 17884 mHandler.sendMessage(mHandler.obtainMessage(START_USER_SWITCH_MSG, userId, 0, userName)); 17885 return true; 17886 } 17887 17888 private void showUserSwitchDialog(int userId, String userName) { 17889 // The dialog will show and then initiate the user switch by calling startUserInForeground 17890 Dialog d = new UserSwitchingDialog(this, mContext, userId, userName, 17891 true /* above system */); 17892 d.show(); 17893 } 17894 17895 private boolean startUser(final int userId, final boolean foreground) { 17896 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 17897 != PackageManager.PERMISSION_GRANTED) { 17898 String msg = "Permission Denial: switchUser() from pid=" 17899 + Binder.getCallingPid() 17900 + ", uid=" + Binder.getCallingUid() 17901 + " requires " + INTERACT_ACROSS_USERS_FULL; 17902 Slog.w(TAG, msg); 17903 throw new SecurityException(msg); 17904 } 17905 17906 if (DEBUG_MU) Slog.i(TAG_MU, "starting userid:" + userId + " fore:" + foreground); 17907 17908 final long ident = Binder.clearCallingIdentity(); 17909 try { 17910 synchronized (this) { 17911 final int oldUserId = mCurrentUserId; 17912 if (oldUserId == userId) { 17913 return true; 17914 } 17915 17916 mStackSupervisor.setLockTaskModeLocked(null, false); 17917 17918 final UserInfo userInfo = getUserManagerLocked().getUserInfo(userId); 17919 if (userInfo == null) { 17920 Slog.w(TAG, "No user info for user #" + userId); 17921 return false; 17922 } 17923 if (foreground && userInfo.isManagedProfile()) { 17924 Slog.w(TAG, "Cannot switch to User #" + userId + ": not a full user"); 17925 return false; 17926 } 17927 17928 if (foreground) { 17929 mWindowManager.startFreezingScreen(R.anim.screen_user_exit, 17930 R.anim.screen_user_enter); 17931 } 17932 17933 boolean needStart = false; 17934 17935 // If the user we are switching to is not currently started, then 17936 // we need to start it now. 17937 if (mStartedUsers.get(userId) == null) { 17938 mStartedUsers.put(userId, new UserStartedState(new UserHandle(userId), false)); 17939 updateStartedUserArrayLocked(); 17940 needStart = true; 17941 } 17942 17943 final Integer userIdInt = Integer.valueOf(userId); 17944 mUserLru.remove(userIdInt); 17945 mUserLru.add(userIdInt); 17946 17947 if (foreground) { 17948 mCurrentUserId = userId; 17949 updateCurrentProfileIdsLocked(); 17950 mWindowManager.setCurrentUser(userId, mCurrentProfileIds); 17951 // Once the internal notion of the active user has switched, we lock the device 17952 // with the option to show the user switcher on the keyguard. 17953 mWindowManager.lockNow(null); 17954 } else { 17955 final Integer currentUserIdInt = Integer.valueOf(mCurrentUserId); 17956 updateCurrentProfileIdsLocked(); 17957 mWindowManager.setCurrentProfileIds(mCurrentProfileIds); 17958 mUserLru.remove(currentUserIdInt); 17959 mUserLru.add(currentUserIdInt); 17960 } 17961 17962 final UserStartedState uss = mStartedUsers.get(userId); 17963 17964 // Make sure user is in the started state. If it is currently 17965 // stopping, we need to knock that off. 17966 if (uss.mState == UserStartedState.STATE_STOPPING) { 17967 // If we are stopping, we haven't sent ACTION_SHUTDOWN, 17968 // so we can just fairly silently bring the user back from 17969 // the almost-dead. 17970 uss.mState = UserStartedState.STATE_RUNNING; 17971 updateStartedUserArrayLocked(); 17972 needStart = true; 17973 } else if (uss.mState == UserStartedState.STATE_SHUTDOWN) { 17974 // This means ACTION_SHUTDOWN has been sent, so we will 17975 // need to treat this as a new boot of the user. 17976 uss.mState = UserStartedState.STATE_BOOTING; 17977 updateStartedUserArrayLocked(); 17978 needStart = true; 17979 } 17980 17981 if (uss.mState == UserStartedState.STATE_BOOTING) { 17982 // Booting up a new user, need to tell system services about it. 17983 // Note that this is on the same handler as scheduling of broadcasts, 17984 // which is important because it needs to go first. 17985 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_START_MSG, userId, 0)); 17986 } 17987 17988 if (foreground) { 17989 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_CURRENT_MSG, userId, 17990 oldUserId)); 17991 mHandler.removeMessages(REPORT_USER_SWITCH_MSG); 17992 mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); 17993 mHandler.sendMessage(mHandler.obtainMessage(REPORT_USER_SWITCH_MSG, 17994 oldUserId, userId, uss)); 17995 mHandler.sendMessageDelayed(mHandler.obtainMessage(USER_SWITCH_TIMEOUT_MSG, 17996 oldUserId, userId, uss), USER_SWITCH_TIMEOUT); 17997 } 17998 17999 if (needStart) { 18000 // Send USER_STARTED broadcast 18001 Intent intent = new Intent(Intent.ACTION_USER_STARTED); 18002 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18003 | Intent.FLAG_RECEIVER_FOREGROUND); 18004 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18005 broadcastIntentLocked(null, null, intent, 18006 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 18007 false, false, MY_PID, Process.SYSTEM_UID, userId); 18008 } 18009 18010 if ((userInfo.flags&UserInfo.FLAG_INITIALIZED) == 0) { 18011 if (userId != UserHandle.USER_OWNER) { 18012 Intent intent = new Intent(Intent.ACTION_USER_INITIALIZE); 18013 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 18014 broadcastIntentLocked(null, null, intent, null, 18015 new IIntentReceiver.Stub() { 18016 public void performReceive(Intent intent, int resultCode, 18017 String data, Bundle extras, boolean ordered, 18018 boolean sticky, int sendingUser) { 18019 onUserInitialized(uss, foreground, oldUserId, userId); 18020 } 18021 }, 0, null, null, null, AppOpsManager.OP_NONE, 18022 true, false, MY_PID, Process.SYSTEM_UID, 18023 userId); 18024 uss.initializing = true; 18025 } else { 18026 getUserManagerLocked().makeInitialized(userInfo.id); 18027 } 18028 } 18029 18030 if (foreground) { 18031 if (!uss.initializing) { 18032 moveUserToForeground(uss, oldUserId, userId); 18033 } 18034 } else { 18035 mStackSupervisor.startBackgroundUserLocked(userId, uss); 18036 } 18037 18038 if (needStart) { 18039 Intent intent = new Intent(Intent.ACTION_USER_STARTING); 18040 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 18041 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18042 broadcastIntentLocked(null, null, intent, 18043 null, new IIntentReceiver.Stub() { 18044 @Override 18045 public void performReceive(Intent intent, int resultCode, String data, 18046 Bundle extras, boolean ordered, boolean sticky, int sendingUser) 18047 throws RemoteException { 18048 } 18049 }, 0, null, null, 18050 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 18051 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 18052 } 18053 } 18054 } finally { 18055 Binder.restoreCallingIdentity(ident); 18056 } 18057 18058 return true; 18059 } 18060 18061 void sendUserSwitchBroadcastsLocked(int oldUserId, int newUserId) { 18062 long ident = Binder.clearCallingIdentity(); 18063 try { 18064 Intent intent; 18065 if (oldUserId >= 0) { 18066 // Send USER_BACKGROUND broadcast to all profiles of the outgoing user 18067 List<UserInfo> profiles = mUserManager.getProfiles(oldUserId, false); 18068 int count = profiles.size(); 18069 for (int i = 0; i < count; i++) { 18070 int profileUserId = profiles.get(i).id; 18071 intent = new Intent(Intent.ACTION_USER_BACKGROUND); 18072 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18073 | Intent.FLAG_RECEIVER_FOREGROUND); 18074 intent.putExtra(Intent.EXTRA_USER_HANDLE, profileUserId); 18075 broadcastIntentLocked(null, null, intent, 18076 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 18077 false, false, MY_PID, Process.SYSTEM_UID, profileUserId); 18078 } 18079 } 18080 if (newUserId >= 0) { 18081 // Send USER_FOREGROUND broadcast to all profiles of the incoming user 18082 List<UserInfo> profiles = mUserManager.getProfiles(newUserId, false); 18083 int count = profiles.size(); 18084 for (int i = 0; i < count; i++) { 18085 int profileUserId = profiles.get(i).id; 18086 intent = new Intent(Intent.ACTION_USER_FOREGROUND); 18087 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18088 | Intent.FLAG_RECEIVER_FOREGROUND); 18089 intent.putExtra(Intent.EXTRA_USER_HANDLE, profileUserId); 18090 broadcastIntentLocked(null, null, intent, 18091 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 18092 false, false, MY_PID, Process.SYSTEM_UID, profileUserId); 18093 } 18094 intent = new Intent(Intent.ACTION_USER_SWITCHED); 18095 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 18096 | Intent.FLAG_RECEIVER_FOREGROUND); 18097 intent.putExtra(Intent.EXTRA_USER_HANDLE, newUserId); 18098 broadcastIntentLocked(null, null, intent, 18099 null, null, 0, null, null, 18100 android.Manifest.permission.MANAGE_USERS, AppOpsManager.OP_NONE, 18101 false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 18102 } 18103 } finally { 18104 Binder.restoreCallingIdentity(ident); 18105 } 18106 } 18107 18108 void dispatchUserSwitch(final UserStartedState uss, final int oldUserId, 18109 final int newUserId) { 18110 final int N = mUserSwitchObservers.beginBroadcast(); 18111 if (N > 0) { 18112 final IRemoteCallback callback = new IRemoteCallback.Stub() { 18113 int mCount = 0; 18114 @Override 18115 public void sendResult(Bundle data) throws RemoteException { 18116 synchronized (ActivityManagerService.this) { 18117 if (mCurUserSwitchCallback == this) { 18118 mCount++; 18119 if (mCount == N) { 18120 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 18121 } 18122 } 18123 } 18124 } 18125 }; 18126 synchronized (this) { 18127 uss.switching = true; 18128 mCurUserSwitchCallback = callback; 18129 } 18130 for (int i=0; i<N; i++) { 18131 try { 18132 mUserSwitchObservers.getBroadcastItem(i).onUserSwitching( 18133 newUserId, callback); 18134 } catch (RemoteException e) { 18135 } 18136 } 18137 } else { 18138 synchronized (this) { 18139 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 18140 } 18141 } 18142 mUserSwitchObservers.finishBroadcast(); 18143 } 18144 18145 void timeoutUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { 18146 synchronized (this) { 18147 Slog.w(TAG, "User switch timeout: from " + oldUserId + " to " + newUserId); 18148 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 18149 } 18150 } 18151 18152 void sendContinueUserSwitchLocked(UserStartedState uss, int oldUserId, int newUserId) { 18153 mCurUserSwitchCallback = null; 18154 mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); 18155 mHandler.sendMessage(mHandler.obtainMessage(CONTINUE_USER_SWITCH_MSG, 18156 oldUserId, newUserId, uss)); 18157 } 18158 18159 void onUserInitialized(UserStartedState uss, boolean foreground, int oldUserId, int newUserId) { 18160 synchronized (this) { 18161 if (foreground) { 18162 moveUserToForeground(uss, oldUserId, newUserId); 18163 } 18164 } 18165 18166 completeSwitchAndInitalize(uss, newUserId, true, false); 18167 } 18168 18169 void moveUserToForeground(UserStartedState uss, int oldUserId, int newUserId) { 18170 boolean homeInFront = mStackSupervisor.switchUserLocked(newUserId, uss); 18171 if (homeInFront) { 18172 startHomeActivityLocked(newUserId); 18173 } else { 18174 mStackSupervisor.resumeTopActivitiesLocked(); 18175 } 18176 EventLogTags.writeAmSwitchUser(newUserId); 18177 getUserManagerLocked().userForeground(newUserId); 18178 sendUserSwitchBroadcastsLocked(oldUserId, newUserId); 18179 } 18180 18181 void continueUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { 18182 completeSwitchAndInitalize(uss, newUserId, false, true); 18183 } 18184 18185 void completeSwitchAndInitalize(UserStartedState uss, int newUserId, 18186 boolean clearInitializing, boolean clearSwitching) { 18187 boolean unfrozen = false; 18188 synchronized (this) { 18189 if (clearInitializing) { 18190 uss.initializing = false; 18191 getUserManagerLocked().makeInitialized(uss.mHandle.getIdentifier()); 18192 } 18193 if (clearSwitching) { 18194 uss.switching = false; 18195 } 18196 if (!uss.switching && !uss.initializing) { 18197 mWindowManager.stopFreezingScreen(); 18198 unfrozen = true; 18199 } 18200 } 18201 if (unfrozen) { 18202 final int N = mUserSwitchObservers.beginBroadcast(); 18203 for (int i=0; i<N; i++) { 18204 try { 18205 mUserSwitchObservers.getBroadcastItem(i).onUserSwitchComplete(newUserId); 18206 } catch (RemoteException e) { 18207 } 18208 } 18209 mUserSwitchObservers.finishBroadcast(); 18210 } 18211 } 18212 18213 void scheduleStartProfilesLocked() { 18214 if (!mHandler.hasMessages(START_PROFILES_MSG)) { 18215 mHandler.sendMessageDelayed(mHandler.obtainMessage(START_PROFILES_MSG), 18216 DateUtils.SECOND_IN_MILLIS); 18217 } 18218 } 18219 18220 void startProfilesLocked() { 18221 if (DEBUG_MU) Slog.i(TAG_MU, "startProfilesLocked"); 18222 List<UserInfo> profiles = getUserManagerLocked().getProfiles( 18223 mCurrentUserId, false /* enabledOnly */); 18224 List<UserInfo> toStart = new ArrayList<UserInfo>(profiles.size()); 18225 for (UserInfo user : profiles) { 18226 if ((user.flags & UserInfo.FLAG_INITIALIZED) == UserInfo.FLAG_INITIALIZED 18227 && user.id != mCurrentUserId) { 18228 toStart.add(user); 18229 } 18230 } 18231 final int n = toStart.size(); 18232 int i = 0; 18233 for (; i < n && i < (MAX_RUNNING_USERS - 1); ++i) { 18234 startUserInBackground(toStart.get(i).id); 18235 } 18236 if (i < n) { 18237 Slog.w(TAG_MU, "More profiles than MAX_RUNNING_USERS"); 18238 } 18239 } 18240 18241 void finishUserBoot(UserStartedState uss) { 18242 synchronized (this) { 18243 if (uss.mState == UserStartedState.STATE_BOOTING 18244 && mStartedUsers.get(uss.mHandle.getIdentifier()) == uss) { 18245 uss.mState = UserStartedState.STATE_RUNNING; 18246 final int userId = uss.mHandle.getIdentifier(); 18247 Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); 18248 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18249 intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT); 18250 broadcastIntentLocked(null, null, intent, 18251 null, null, 0, null, null, 18252 android.Manifest.permission.RECEIVE_BOOT_COMPLETED, AppOpsManager.OP_NONE, 18253 true, false, MY_PID, Process.SYSTEM_UID, userId); 18254 } 18255 } 18256 } 18257 18258 void finishUserSwitch(UserStartedState uss) { 18259 synchronized (this) { 18260 finishUserBoot(uss); 18261 18262 startProfilesLocked(); 18263 18264 int num = mUserLru.size(); 18265 int i = 0; 18266 while (num > MAX_RUNNING_USERS && i < mUserLru.size()) { 18267 Integer oldUserId = mUserLru.get(i); 18268 UserStartedState oldUss = mStartedUsers.get(oldUserId); 18269 if (oldUss == null) { 18270 // Shouldn't happen, but be sane if it does. 18271 mUserLru.remove(i); 18272 num--; 18273 continue; 18274 } 18275 if (oldUss.mState == UserStartedState.STATE_STOPPING 18276 || oldUss.mState == UserStartedState.STATE_SHUTDOWN) { 18277 // This user is already stopping, doesn't count. 18278 num--; 18279 i++; 18280 continue; 18281 } 18282 if (oldUserId == UserHandle.USER_OWNER || oldUserId == mCurrentUserId) { 18283 // Owner and current can't be stopped, but count as running. 18284 i++; 18285 continue; 18286 } 18287 // This is a user to be stopped. 18288 stopUserLocked(oldUserId, null); 18289 num--; 18290 i++; 18291 } 18292 } 18293 } 18294 18295 @Override 18296 public int stopUser(final int userId, final IStopUserCallback callback) { 18297 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18298 != PackageManager.PERMISSION_GRANTED) { 18299 String msg = "Permission Denial: switchUser() from pid=" 18300 + Binder.getCallingPid() 18301 + ", uid=" + Binder.getCallingUid() 18302 + " requires " + INTERACT_ACROSS_USERS_FULL; 18303 Slog.w(TAG, msg); 18304 throw new SecurityException(msg); 18305 } 18306 if (userId <= 0) { 18307 throw new IllegalArgumentException("Can't stop primary user " + userId); 18308 } 18309 synchronized (this) { 18310 return stopUserLocked(userId, callback); 18311 } 18312 } 18313 18314 private int stopUserLocked(final int userId, final IStopUserCallback callback) { 18315 if (DEBUG_MU) Slog.i(TAG_MU, "stopUserLocked userId=" + userId); 18316 if (mCurrentUserId == userId) { 18317 return ActivityManager.USER_OP_IS_CURRENT; 18318 } 18319 18320 final UserStartedState uss = mStartedUsers.get(userId); 18321 if (uss == null) { 18322 // User is not started, nothing to do... but we do need to 18323 // callback if requested. 18324 if (callback != null) { 18325 mHandler.post(new Runnable() { 18326 @Override 18327 public void run() { 18328 try { 18329 callback.userStopped(userId); 18330 } catch (RemoteException e) { 18331 } 18332 } 18333 }); 18334 } 18335 return ActivityManager.USER_OP_SUCCESS; 18336 } 18337 18338 if (callback != null) { 18339 uss.mStopCallbacks.add(callback); 18340 } 18341 18342 if (uss.mState != UserStartedState.STATE_STOPPING 18343 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 18344 uss.mState = UserStartedState.STATE_STOPPING; 18345 updateStartedUserArrayLocked(); 18346 18347 long ident = Binder.clearCallingIdentity(); 18348 try { 18349 // We are going to broadcast ACTION_USER_STOPPING and then 18350 // once that is done send a final ACTION_SHUTDOWN and then 18351 // stop the user. 18352 final Intent stoppingIntent = new Intent(Intent.ACTION_USER_STOPPING); 18353 stoppingIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 18354 stoppingIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18355 stoppingIntent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true); 18356 final Intent shutdownIntent = new Intent(Intent.ACTION_SHUTDOWN); 18357 // This is the result receiver for the final shutdown broadcast. 18358 final IIntentReceiver shutdownReceiver = new IIntentReceiver.Stub() { 18359 @Override 18360 public void performReceive(Intent intent, int resultCode, String data, 18361 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 18362 finishUserStop(uss); 18363 } 18364 }; 18365 // This is the result receiver for the initial stopping broadcast. 18366 final IIntentReceiver stoppingReceiver = new IIntentReceiver.Stub() { 18367 @Override 18368 public void performReceive(Intent intent, int resultCode, String data, 18369 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 18370 // On to the next. 18371 synchronized (ActivityManagerService.this) { 18372 if (uss.mState != UserStartedState.STATE_STOPPING) { 18373 // Whoops, we are being started back up. Abort, abort! 18374 return; 18375 } 18376 uss.mState = UserStartedState.STATE_SHUTDOWN; 18377 } 18378 mBatteryStatsService.noteEvent( 18379 BatteryStats.HistoryItem.EVENT_USER_RUNNING_FINISH, 18380 Integer.toString(userId), userId); 18381 mSystemServiceManager.stopUser(userId); 18382 broadcastIntentLocked(null, null, shutdownIntent, 18383 null, shutdownReceiver, 0, null, null, null, AppOpsManager.OP_NONE, 18384 true, false, MY_PID, Process.SYSTEM_UID, userId); 18385 } 18386 }; 18387 // Kick things off. 18388 broadcastIntentLocked(null, null, stoppingIntent, 18389 null, stoppingReceiver, 0, null, null, 18390 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 18391 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 18392 } finally { 18393 Binder.restoreCallingIdentity(ident); 18394 } 18395 } 18396 18397 return ActivityManager.USER_OP_SUCCESS; 18398 } 18399 18400 void finishUserStop(UserStartedState uss) { 18401 final int userId = uss.mHandle.getIdentifier(); 18402 boolean stopped; 18403 ArrayList<IStopUserCallback> callbacks; 18404 synchronized (this) { 18405 callbacks = new ArrayList<IStopUserCallback>(uss.mStopCallbacks); 18406 if (mStartedUsers.get(userId) != uss) { 18407 stopped = false; 18408 } else if (uss.mState != UserStartedState.STATE_SHUTDOWN) { 18409 stopped = false; 18410 } else { 18411 stopped = true; 18412 // User can no longer run. 18413 mStartedUsers.remove(userId); 18414 mUserLru.remove(Integer.valueOf(userId)); 18415 updateStartedUserArrayLocked(); 18416 18417 // Clean up all state and processes associated with the user. 18418 // Kill all the processes for the user. 18419 forceStopUserLocked(userId, "finish user"); 18420 } 18421 18422 // Explicitly remove the old information in mRecentTasks. 18423 removeRecentTasksForUserLocked(userId); 18424 } 18425 18426 for (int i=0; i<callbacks.size(); i++) { 18427 try { 18428 if (stopped) callbacks.get(i).userStopped(userId); 18429 else callbacks.get(i).userStopAborted(userId); 18430 } catch (RemoteException e) { 18431 } 18432 } 18433 18434 if (stopped) { 18435 mSystemServiceManager.cleanupUser(userId); 18436 synchronized (this) { 18437 mStackSupervisor.removeUserLocked(userId); 18438 } 18439 } 18440 } 18441 18442 @Override 18443 public UserInfo getCurrentUser() { 18444 if ((checkCallingPermission(INTERACT_ACROSS_USERS) 18445 != PackageManager.PERMISSION_GRANTED) && ( 18446 checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18447 != PackageManager.PERMISSION_GRANTED)) { 18448 String msg = "Permission Denial: getCurrentUser() from pid=" 18449 + Binder.getCallingPid() 18450 + ", uid=" + Binder.getCallingUid() 18451 + " requires " + INTERACT_ACROSS_USERS; 18452 Slog.w(TAG, msg); 18453 throw new SecurityException(msg); 18454 } 18455 synchronized (this) { 18456 return getUserManagerLocked().getUserInfo(mCurrentUserId); 18457 } 18458 } 18459 18460 int getCurrentUserIdLocked() { 18461 return mCurrentUserId; 18462 } 18463 18464 @Override 18465 public boolean isUserRunning(int userId, boolean orStopped) { 18466 if (checkCallingPermission(INTERACT_ACROSS_USERS) 18467 != PackageManager.PERMISSION_GRANTED) { 18468 String msg = "Permission Denial: isUserRunning() from pid=" 18469 + Binder.getCallingPid() 18470 + ", uid=" + Binder.getCallingUid() 18471 + " requires " + INTERACT_ACROSS_USERS; 18472 Slog.w(TAG, msg); 18473 throw new SecurityException(msg); 18474 } 18475 synchronized (this) { 18476 return isUserRunningLocked(userId, orStopped); 18477 } 18478 } 18479 18480 boolean isUserRunningLocked(int userId, boolean orStopped) { 18481 UserStartedState state = mStartedUsers.get(userId); 18482 if (state == null) { 18483 return false; 18484 } 18485 if (orStopped) { 18486 return true; 18487 } 18488 return state.mState != UserStartedState.STATE_STOPPING 18489 && state.mState != UserStartedState.STATE_SHUTDOWN; 18490 } 18491 18492 @Override 18493 public int[] getRunningUserIds() { 18494 if (checkCallingPermission(INTERACT_ACROSS_USERS) 18495 != PackageManager.PERMISSION_GRANTED) { 18496 String msg = "Permission Denial: isUserRunning() from pid=" 18497 + Binder.getCallingPid() 18498 + ", uid=" + Binder.getCallingUid() 18499 + " requires " + INTERACT_ACROSS_USERS; 18500 Slog.w(TAG, msg); 18501 throw new SecurityException(msg); 18502 } 18503 synchronized (this) { 18504 return mStartedUserArray; 18505 } 18506 } 18507 18508 private void updateStartedUserArrayLocked() { 18509 int num = 0; 18510 for (int i=0; i<mStartedUsers.size(); i++) { 18511 UserStartedState uss = mStartedUsers.valueAt(i); 18512 // This list does not include stopping users. 18513 if (uss.mState != UserStartedState.STATE_STOPPING 18514 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 18515 num++; 18516 } 18517 } 18518 mStartedUserArray = new int[num]; 18519 num = 0; 18520 for (int i=0; i<mStartedUsers.size(); i++) { 18521 UserStartedState uss = mStartedUsers.valueAt(i); 18522 if (uss.mState != UserStartedState.STATE_STOPPING 18523 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 18524 mStartedUserArray[num] = mStartedUsers.keyAt(i); 18525 num++; 18526 } 18527 } 18528 } 18529 18530 @Override 18531 public void registerUserSwitchObserver(IUserSwitchObserver observer) { 18532 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 18533 != PackageManager.PERMISSION_GRANTED) { 18534 String msg = "Permission Denial: registerUserSwitchObserver() from pid=" 18535 + Binder.getCallingPid() 18536 + ", uid=" + Binder.getCallingUid() 18537 + " requires " + INTERACT_ACROSS_USERS_FULL; 18538 Slog.w(TAG, msg); 18539 throw new SecurityException(msg); 18540 } 18541 18542 mUserSwitchObservers.register(observer); 18543 } 18544 18545 @Override 18546 public void unregisterUserSwitchObserver(IUserSwitchObserver observer) { 18547 mUserSwitchObservers.unregister(observer); 18548 } 18549 18550 private boolean userExists(int userId) { 18551 if (userId == 0) { 18552 return true; 18553 } 18554 UserManagerService ums = getUserManagerLocked(); 18555 return ums != null ? (ums.getUserInfo(userId) != null) : false; 18556 } 18557 18558 int[] getUsersLocked() { 18559 UserManagerService ums = getUserManagerLocked(); 18560 return ums != null ? ums.getUserIds() : new int[] { 0 }; 18561 } 18562 18563 UserManagerService getUserManagerLocked() { 18564 if (mUserManager == null) { 18565 IBinder b = ServiceManager.getService(Context.USER_SERVICE); 18566 mUserManager = (UserManagerService)IUserManager.Stub.asInterface(b); 18567 } 18568 return mUserManager; 18569 } 18570 18571 private int applyUserId(int uid, int userId) { 18572 return UserHandle.getUid(userId, uid); 18573 } 18574 18575 ApplicationInfo getAppInfoForUser(ApplicationInfo info, int userId) { 18576 if (info == null) return null; 18577 ApplicationInfo newInfo = new ApplicationInfo(info); 18578 newInfo.uid = applyUserId(info.uid, userId); 18579 newInfo.dataDir = USER_DATA_DIR + userId + "/" 18580 + info.packageName; 18581 return newInfo; 18582 } 18583 18584 ActivityInfo getActivityInfoForUser(ActivityInfo aInfo, int userId) { 18585 if (aInfo == null 18586 || (userId < 1 && aInfo.applicationInfo.uid < UserHandle.PER_USER_RANGE)) { 18587 return aInfo; 18588 } 18589 18590 ActivityInfo info = new ActivityInfo(aInfo); 18591 info.applicationInfo = getAppInfoForUser(info.applicationInfo, userId); 18592 return info; 18593 } 18594 18595 private final class LocalService extends ActivityManagerInternal { 18596 @Override 18597 public void goingToSleep() { 18598 ActivityManagerService.this.goingToSleep(); 18599 } 18600 18601 @Override 18602 public void wakingUp() { 18603 ActivityManagerService.this.wakingUp(); 18604 } 18605 18606 @Override 18607 public int startIsolatedProcess(String entryPoint, String[] entryPointArgs, 18608 String processName, String abiOverride, int uid, Runnable crashHandler) { 18609 return ActivityManagerService.this.startIsolatedProcess(entryPoint, entryPointArgs, 18610 processName, abiOverride, uid, crashHandler); 18611 } 18612 } 18613 18614 /** 18615 * An implementation of IAppTask, that allows an app to manage its own tasks via 18616 * {@link android.app.ActivityManager.AppTask}. We keep track of the callingUid to ensure that 18617 * only the process that calls getAppTasks() can call the AppTask methods. 18618 */ 18619 class AppTaskImpl extends IAppTask.Stub { 18620 private int mTaskId; 18621 private int mCallingUid; 18622 18623 public AppTaskImpl(int taskId, int callingUid) { 18624 mTaskId = taskId; 18625 mCallingUid = callingUid; 18626 } 18627 18628 private void checkCaller() { 18629 if (mCallingUid != Binder.getCallingUid()) { 18630 throw new SecurityException("Caller " + mCallingUid 18631 + " does not match caller of getAppTasks(): " + Binder.getCallingUid()); 18632 } 18633 } 18634 18635 @Override 18636 public void finishAndRemoveTask() { 18637 checkCaller(); 18638 18639 synchronized (ActivityManagerService.this) { 18640 long origId = Binder.clearCallingIdentity(); 18641 try { 18642 TaskRecord tr = recentTaskForIdLocked(mTaskId); 18643 if (tr == null) { 18644 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18645 } 18646 // Only kill the process if we are not a new document 18647 int flags = tr.getBaseIntent().getFlags(); 18648 boolean isDocument = (flags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) == 18649 Intent.FLAG_ACTIVITY_NEW_DOCUMENT; 18650 removeTaskByIdLocked(mTaskId, 18651 !isDocument ? ActivityManager.REMOVE_TASK_KILL_PROCESS : 0); 18652 } finally { 18653 Binder.restoreCallingIdentity(origId); 18654 } 18655 } 18656 } 18657 18658 @Override 18659 public ActivityManager.RecentTaskInfo getTaskInfo() { 18660 checkCaller(); 18661 18662 synchronized (ActivityManagerService.this) { 18663 long origId = Binder.clearCallingIdentity(); 18664 try { 18665 TaskRecord tr = recentTaskForIdLocked(mTaskId); 18666 if (tr == null) { 18667 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18668 } 18669 return createRecentTaskInfoFromTaskRecord(tr); 18670 } finally { 18671 Binder.restoreCallingIdentity(origId); 18672 } 18673 } 18674 } 18675 18676 @Override 18677 public void moveToFront() { 18678 checkCaller(); 18679 18680 final TaskRecord tr; 18681 synchronized (ActivityManagerService.this) { 18682 tr = recentTaskForIdLocked(mTaskId); 18683 if (tr == null) { 18684 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18685 } 18686 if (tr.getRootActivity() != null) { 18687 long origId = Binder.clearCallingIdentity(); 18688 try { 18689 moveTaskToFrontLocked(tr.taskId, 0, null); 18690 return; 18691 } finally { 18692 Binder.restoreCallingIdentity(origId); 18693 } 18694 } 18695 } 18696 18697 startActivityFromRecentsInner(tr.taskId, null); 18698 } 18699 18700 @Override 18701 public int startActivity(IBinder whoThread, String callingPackage, 18702 Intent intent, String resolvedType, Bundle options) { 18703 checkCaller(); 18704 18705 int callingUser = UserHandle.getCallingUserId(); 18706 TaskRecord tr; 18707 IApplicationThread appThread; 18708 synchronized (ActivityManagerService.this) { 18709 tr = recentTaskForIdLocked(mTaskId); 18710 if (tr == null) { 18711 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18712 } 18713 appThread = ApplicationThreadNative.asInterface(whoThread); 18714 if (appThread == null) { 18715 throw new IllegalArgumentException("Bad app thread " + appThread); 18716 } 18717 } 18718 return mStackSupervisor.startActivityMayWait(appThread, -1, callingPackage, intent, 18719 resolvedType, null, null, null, null, 0, 0, null, null, 18720 null, options, callingUser, null, tr); 18721 } 18722 18723 @Override 18724 public void setExcludeFromRecents(boolean exclude) { 18725 checkCaller(); 18726 18727 synchronized (ActivityManagerService.this) { 18728 long origId = Binder.clearCallingIdentity(); 18729 try { 18730 TaskRecord tr = recentTaskForIdLocked(mTaskId); 18731 if (tr == null) { 18732 throw new IllegalArgumentException("Unable to find task ID " + mTaskId); 18733 } 18734 Intent intent = tr.getBaseIntent(); 18735 if (exclude) { 18736 intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 18737 } else { 18738 intent.setFlags(intent.getFlags() 18739 & ~Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 18740 } 18741 } finally { 18742 Binder.restoreCallingIdentity(origId); 18743 } 18744 } 18745 } 18746 } 18747} 18748