ActivityManagerService.java revision 0068d3dcf1f1a804554a1a09e3b173ac12651786
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.IActivityContainer; 37import android.app.IActivityContainerCallback; 38import android.app.IAppTask; 39import android.app.admin.DevicePolicyManager; 40import android.app.usage.UsageStats; 41import android.app.usage.UsageStatsManagerInternal; 42import android.appwidget.AppWidgetManager; 43import android.graphics.Rect; 44import android.os.BatteryStats; 45import android.os.PersistableBundle; 46import android.service.voice.IVoiceInteractionSession; 47import android.util.ArrayMap; 48import android.util.ArraySet; 49import android.util.SparseIntArray; 50 51import com.android.internal.R; 52import com.android.internal.annotations.GuardedBy; 53import com.android.internal.app.IAppOpsService; 54import com.android.internal.app.IVoiceInteractor; 55import com.android.internal.app.ProcessMap; 56import com.android.internal.app.ProcessStats; 57import com.android.internal.content.PackageMonitor; 58import com.android.internal.os.BackgroundThread; 59import com.android.internal.os.BatteryStatsImpl; 60import com.android.internal.os.ProcessCpuTracker; 61import com.android.internal.os.TransferPipe; 62import com.android.internal.os.Zygote; 63import com.android.internal.util.FastPrintWriter; 64import com.android.internal.util.FastXmlSerializer; 65import com.android.internal.util.MemInfoReader; 66import com.android.internal.util.Preconditions; 67import com.android.server.AppOpsService; 68import com.android.server.AttributeCache; 69import com.android.server.IntentResolver; 70import com.android.server.LocalServices; 71import com.android.server.ServiceThread; 72import com.android.server.SystemService; 73import com.android.server.SystemServiceManager; 74import com.android.server.Watchdog; 75import com.android.server.am.ActivityStack.ActivityState; 76import com.android.server.firewall.IntentFirewall; 77import com.android.server.pm.UserManagerService; 78import com.android.server.wm.AppTransition; 79import com.android.server.wm.WindowManagerService; 80import com.google.android.collect.Lists; 81import com.google.android.collect.Maps; 82 83import libcore.io.IoUtils; 84 85import org.xmlpull.v1.XmlPullParser; 86import org.xmlpull.v1.XmlPullParserException; 87import org.xmlpull.v1.XmlSerializer; 88 89import android.app.Activity; 90import android.app.ActivityManager; 91import android.app.ActivityManager.RunningTaskInfo; 92import android.app.ActivityManager.StackInfo; 93import android.app.ActivityManagerInternal; 94import android.app.ActivityManagerNative; 95import android.app.ActivityOptions; 96import android.app.ActivityThread; 97import android.app.AlertDialog; 98import android.app.AppGlobals; 99import android.app.ApplicationErrorReport; 100import android.app.Dialog; 101import android.app.IActivityController; 102import android.app.IApplicationThread; 103import android.app.IInstrumentationWatcher; 104import android.app.INotificationManager; 105import android.app.IProcessObserver; 106import android.app.IServiceConnection; 107import android.app.IStopUserCallback; 108import android.app.IUiAutomationConnection; 109import android.app.IUserSwitchObserver; 110import android.app.Instrumentation; 111import android.app.Notification; 112import android.app.NotificationManager; 113import android.app.PendingIntent; 114import android.app.backup.IBackupManager; 115import android.content.ActivityNotFoundException; 116import android.content.BroadcastReceiver; 117import android.content.ClipData; 118import android.content.ComponentCallbacks2; 119import android.content.ComponentName; 120import android.content.ContentProvider; 121import android.content.ContentResolver; 122import android.content.Context; 123import android.content.DialogInterface; 124import android.content.IContentProvider; 125import android.content.IIntentReceiver; 126import android.content.IIntentSender; 127import android.content.Intent; 128import android.content.IntentFilter; 129import android.content.IntentSender; 130import android.content.pm.ActivityInfo; 131import android.content.pm.ApplicationInfo; 132import android.content.pm.ConfigurationInfo; 133import android.content.pm.IPackageDataObserver; 134import android.content.pm.IPackageManager; 135import android.content.pm.InstrumentationInfo; 136import android.content.pm.PackageInfo; 137import android.content.pm.PackageManager; 138import android.content.pm.ParceledListSlice; 139import android.content.pm.UserInfo; 140import android.content.pm.PackageManager.NameNotFoundException; 141import android.content.pm.PathPermission; 142import android.content.pm.ProviderInfo; 143import android.content.pm.ResolveInfo; 144import android.content.pm.ServiceInfo; 145import android.content.res.CompatibilityInfo; 146import android.content.res.Configuration; 147import android.net.Proxy; 148import android.net.ProxyInfo; 149import android.net.Uri; 150import android.os.Binder; 151import android.os.Build; 152import android.os.Bundle; 153import android.os.Debug; 154import android.os.DropBoxManager; 155import android.os.Environment; 156import android.os.FactoryTest; 157import android.os.FileObserver; 158import android.os.FileUtils; 159import android.os.Handler; 160import android.os.IBinder; 161import android.os.IPermissionController; 162import android.os.IRemoteCallback; 163import android.os.IUserManager; 164import android.os.Looper; 165import android.os.Message; 166import android.os.Parcel; 167import android.os.ParcelFileDescriptor; 168import android.os.Process; 169import android.os.RemoteCallbackList; 170import android.os.RemoteException; 171import android.os.SELinux; 172import android.os.ServiceManager; 173import android.os.StrictMode; 174import android.os.SystemClock; 175import android.os.SystemProperties; 176import android.os.UpdateLock; 177import android.os.UserHandle; 178import android.provider.Settings; 179import android.text.format.DateUtils; 180import android.text.format.Time; 181import android.util.AtomicFile; 182import android.util.EventLog; 183import android.util.Log; 184import android.util.Pair; 185import android.util.PrintWriterPrinter; 186import android.util.Slog; 187import android.util.SparseArray; 188import android.util.TimeUtils; 189import android.util.Xml; 190import android.view.Gravity; 191import android.view.LayoutInflater; 192import android.view.View; 193import android.view.WindowManager; 194 195import java.io.BufferedInputStream; 196import java.io.BufferedOutputStream; 197import java.io.DataInputStream; 198import java.io.DataOutputStream; 199import java.io.File; 200import java.io.FileDescriptor; 201import java.io.FileInputStream; 202import java.io.FileNotFoundException; 203import java.io.FileOutputStream; 204import java.io.IOException; 205import java.io.InputStreamReader; 206import java.io.PrintWriter; 207import java.io.StringWriter; 208import java.lang.ref.WeakReference; 209import java.util.ArrayList; 210import java.util.Arrays; 211import java.util.Collections; 212import java.util.Comparator; 213import java.util.HashMap; 214import java.util.HashSet; 215import java.util.Iterator; 216import java.util.List; 217import java.util.Locale; 218import java.util.Map; 219import java.util.Set; 220import java.util.concurrent.atomic.AtomicBoolean; 221import java.util.concurrent.atomic.AtomicLong; 222 223public final class ActivityManagerService extends ActivityManagerNative 224 implements Watchdog.Monitor, BatteryStatsImpl.BatteryCallback { 225 226 private static final String USER_DATA_DIR = "/data/user/"; 227 // File that stores last updated system version and called preboot receivers 228 static final String CALLED_PRE_BOOTS_FILENAME = "called_pre_boots.dat"; 229 230 static final String TAG = "ActivityManager"; 231 static final String TAG_MU = "ActivityManagerServiceMU"; 232 static final boolean DEBUG = false; 233 static final boolean localLOGV = DEBUG; 234 static final boolean DEBUG_BACKUP = localLOGV || false; 235 static final boolean DEBUG_BROADCAST = localLOGV || false; 236 static final boolean DEBUG_BROADCAST_LIGHT = DEBUG_BROADCAST || false; 237 static final boolean DEBUG_BACKGROUND_BROADCAST = DEBUG_BROADCAST || false; 238 static final boolean DEBUG_CLEANUP = localLOGV || false; 239 static final boolean DEBUG_CONFIGURATION = localLOGV || false; 240 static final boolean DEBUG_FOCUS = false; 241 static final boolean DEBUG_IMMERSIVE = localLOGV || false; 242 static final boolean DEBUG_MU = localLOGV || false; 243 static final boolean DEBUG_OOM_ADJ = localLOGV || false; 244 static final boolean DEBUG_LRU = localLOGV || false; 245 static final boolean DEBUG_PAUSE = localLOGV || false; 246 static final boolean DEBUG_POWER = localLOGV || false; 247 static final boolean DEBUG_POWER_QUICK = DEBUG_POWER || false; 248 static final boolean DEBUG_PROCESS_OBSERVERS = localLOGV || false; 249 static final boolean DEBUG_PROCESSES = localLOGV || false; 250 static final boolean DEBUG_PROVIDER = localLOGV || false; 251 static final boolean DEBUG_RESULTS = localLOGV || false; 252 static final boolean DEBUG_SERVICE = localLOGV || false; 253 static final boolean DEBUG_SERVICE_EXECUTING = localLOGV || false; 254 static final boolean DEBUG_STACK = localLOGV || false; 255 static final boolean DEBUG_SWITCH = localLOGV || false; 256 static final boolean DEBUG_TASKS = localLOGV || false; 257 static final boolean DEBUG_THUMBNAILS = localLOGV || false; 258 static final boolean DEBUG_TRANSITION = localLOGV || false; 259 static final boolean DEBUG_URI_PERMISSION = localLOGV || false; 260 static final boolean DEBUG_USER_LEAVING = localLOGV || false; 261 static final boolean DEBUG_VISBILITY = localLOGV || false; 262 static final boolean DEBUG_PSS = localLOGV || false; 263 static final boolean DEBUG_LOCKSCREEN = localLOGV || false; 264 static final boolean VALIDATE_TOKENS = false; 265 static final boolean SHOW_ACTIVITY_START_TIME = true; 266 267 // Control over CPU and battery monitoring. 268 static final long BATTERY_STATS_TIME = 30*60*1000; // write battery stats every 30 minutes. 269 static final boolean MONITOR_CPU_USAGE = true; 270 static final long MONITOR_CPU_MIN_TIME = 5*1000; // don't sample cpu less than every 5 seconds. 271 static final long MONITOR_CPU_MAX_TIME = 0x0fffffff; // wait possibly forever for next cpu sample. 272 static final boolean MONITOR_THREAD_CPU_USAGE = false; 273 274 // The flags that are set for all calls we make to the package manager. 275 static final int STOCK_PM_FLAGS = PackageManager.GET_SHARED_LIBRARY_FILES; 276 277 private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; 278 279 static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); 280 281 // Maximum number of recent tasks that we can remember. 282 static final int MAX_RECENT_TASKS = ActivityManager.isLowRamDeviceStatic() ? 100 : 200; 283 284 // Maximum number recent bitmaps to keep in memory. 285 static final int MAX_RECENT_BITMAPS = 5; 286 287 // Amount of time after a call to stopAppSwitches() during which we will 288 // prevent further untrusted switches from happening. 289 static final long APP_SWITCH_DELAY_TIME = 5*1000; 290 291 // How long we wait for a launched process to attach to the activity manager 292 // before we decide it's never going to come up for real. 293 static final int PROC_START_TIMEOUT = 10*1000; 294 295 // How long we wait for a launched process to attach to the activity manager 296 // before we decide it's never going to come up for real, when the process was 297 // started with a wrapper for instrumentation (such as Valgrind) because it 298 // could take much longer than usual. 299 static final int PROC_START_TIMEOUT_WITH_WRAPPER = 1200*1000; 300 301 // How long to wait after going idle before forcing apps to GC. 302 static final int GC_TIMEOUT = 5*1000; 303 304 // The minimum amount of time between successive GC requests for a process. 305 static final int GC_MIN_INTERVAL = 60*1000; 306 307 // The minimum amount of time between successive PSS requests for a process. 308 static final int FULL_PSS_MIN_INTERVAL = 10*60*1000; 309 310 // The minimum amount of time between successive PSS requests for a process 311 // when the request is due to the memory state being lowered. 312 static final int FULL_PSS_LOWERED_INTERVAL = 2*60*1000; 313 314 // The rate at which we check for apps using excessive power -- 15 mins. 315 static final int POWER_CHECK_DELAY = (DEBUG_POWER_QUICK ? 2 : 15) * 60*1000; 316 317 // The minimum sample duration we will allow before deciding we have 318 // enough data on wake locks to start killing things. 319 static final int WAKE_LOCK_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; 320 321 // The minimum sample duration we will allow before deciding we have 322 // enough data on CPU usage to start killing things. 323 static final int CPU_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; 324 325 // How long we allow a receiver to run before giving up on it. 326 static final int BROADCAST_FG_TIMEOUT = 10*1000; 327 static final int BROADCAST_BG_TIMEOUT = 60*1000; 328 329 // How long we wait until we timeout on key dispatching. 330 static final int KEY_DISPATCHING_TIMEOUT = 5*1000; 331 332 // How long we wait until we timeout on key dispatching during instrumentation. 333 static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000; 334 335 // Amount of time we wait for observers to handle a user switch before 336 // giving up on them and unfreezing the screen. 337 static final int USER_SWITCH_TIMEOUT = 2*1000; 338 339 // Maximum number of users we allow to be running at a time. 340 static final int MAX_RUNNING_USERS = 3; 341 342 // How long to wait in getAssistContextExtras for the activity and foreground services 343 // to respond with the result. 344 static final int PENDING_ASSIST_EXTRAS_TIMEOUT = 500; 345 346 // Maximum number of persisted Uri grants a package is allowed 347 static final int MAX_PERSISTED_URI_GRANTS = 128; 348 349 static final int MY_PID = Process.myPid(); 350 351 static final String[] EMPTY_STRING_ARRAY = new String[0]; 352 353 // How many bytes to write into the dropbox log before truncating 354 static final int DROPBOX_MAX_SIZE = 256 * 1024; 355 356 // Access modes for handleIncomingUser. 357 static final int ALLOW_NON_FULL = 0; 358 static final int ALLOW_NON_FULL_IN_PROFILE = 1; 359 static final int ALLOW_FULL_ONLY = 2; 360 361 static final int LAST_PREBOOT_DELIVERED_FILE_VERSION = 10000; 362 363 /** All system services */ 364 SystemServiceManager mSystemServiceManager; 365 366 /** Run all ActivityStacks through this */ 367 ActivityStackSupervisor mStackSupervisor; 368 369 public IntentFirewall mIntentFirewall; 370 371 // Whether we should show our dialogs (ANR, crash, etc) or just perform their 372 // default actuion automatically. Important for devices without direct input 373 // devices. 374 private boolean mShowDialogs = true; 375 376 BroadcastQueue mFgBroadcastQueue; 377 BroadcastQueue mBgBroadcastQueue; 378 // Convenient for easy iteration over the queues. Foreground is first 379 // so that dispatch of foreground broadcasts gets precedence. 380 final BroadcastQueue[] mBroadcastQueues = new BroadcastQueue[2]; 381 382 BroadcastQueue broadcastQueueForIntent(Intent intent) { 383 final boolean isFg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0; 384 if (DEBUG_BACKGROUND_BROADCAST) { 385 Slog.i(TAG, "Broadcast intent " + intent + " on " 386 + (isFg ? "foreground" : "background") 387 + " queue"); 388 } 389 return (isFg) ? mFgBroadcastQueue : mBgBroadcastQueue; 390 } 391 392 BroadcastRecord broadcastRecordForReceiverLocked(IBinder receiver) { 393 for (BroadcastQueue queue : mBroadcastQueues) { 394 BroadcastRecord r = queue.getMatchingOrderedReceiver(receiver); 395 if (r != null) { 396 return r; 397 } 398 } 399 return null; 400 } 401 402 /** 403 * Activity we have told the window manager to have key focus. 404 */ 405 ActivityRecord mFocusedActivity = null; 406 407 /** 408 * List of intents that were used to start the most recent tasks. 409 */ 410 ArrayList<TaskRecord> mRecentTasks; 411 ArraySet<TaskRecord> mTmpRecents = new ArraySet<TaskRecord>(); 412 413 public class PendingAssistExtras extends Binder implements Runnable { 414 public final ActivityRecord activity; 415 public boolean haveResult = false; 416 public Bundle result = null; 417 public PendingAssistExtras(ActivityRecord _activity) { 418 activity = _activity; 419 } 420 @Override 421 public void run() { 422 Slog.w(TAG, "getAssistContextExtras failed: timeout retrieving from " + activity); 423 synchronized (this) { 424 haveResult = true; 425 notifyAll(); 426 } 427 } 428 } 429 430 final ArrayList<PendingAssistExtras> mPendingAssistExtras 431 = new ArrayList<PendingAssistExtras>(); 432 433 /** 434 * Process management. 435 */ 436 final ProcessList mProcessList = new ProcessList(); 437 438 /** 439 * All of the applications we currently have running organized by name. 440 * The keys are strings of the application package name (as 441 * returned by the package manager), and the keys are ApplicationRecord 442 * objects. 443 */ 444 final ProcessMap<ProcessRecord> mProcessNames = new ProcessMap<ProcessRecord>(); 445 446 /** 447 * Tracking long-term execution of processes to look for abuse and other 448 * bad app behavior. 449 */ 450 final ProcessStatsService mProcessStats; 451 452 /** 453 * The currently running isolated processes. 454 */ 455 final SparseArray<ProcessRecord> mIsolatedProcesses = new SparseArray<ProcessRecord>(); 456 457 /** 458 * Counter for assigning isolated process uids, to avoid frequently reusing the 459 * same ones. 460 */ 461 int mNextIsolatedProcessUid = 0; 462 463 /** 464 * The currently running heavy-weight process, if any. 465 */ 466 ProcessRecord mHeavyWeightProcess = null; 467 468 /** 469 * The last time that various processes have crashed. 470 */ 471 final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<Long>(); 472 473 /** 474 * Information about a process that is currently marked as bad. 475 */ 476 static final class BadProcessInfo { 477 BadProcessInfo(long time, String shortMsg, String longMsg, String stack) { 478 this.time = time; 479 this.shortMsg = shortMsg; 480 this.longMsg = longMsg; 481 this.stack = stack; 482 } 483 484 final long time; 485 final String shortMsg; 486 final String longMsg; 487 final String stack; 488 } 489 490 /** 491 * Set of applications that we consider to be bad, and will reject 492 * incoming broadcasts from (which the user has no control over). 493 * Processes are added to this set when they have crashed twice within 494 * a minimum amount of time; they are removed from it when they are 495 * later restarted (hopefully due to some user action). The value is the 496 * time it was added to the list. 497 */ 498 final ProcessMap<BadProcessInfo> mBadProcesses = new ProcessMap<BadProcessInfo>(); 499 500 /** 501 * All of the processes we currently have running organized by pid. 502 * The keys are the pid running the application. 503 * 504 * <p>NOTE: This object is protected by its own lock, NOT the global 505 * activity manager lock! 506 */ 507 final SparseArray<ProcessRecord> mPidsSelfLocked = new SparseArray<ProcessRecord>(); 508 509 /** 510 * All of the processes that have been forced to be foreground. The key 511 * is the pid of the caller who requested it (we hold a death 512 * link on it). 513 */ 514 abstract class ForegroundToken implements IBinder.DeathRecipient { 515 int pid; 516 IBinder token; 517 } 518 final SparseArray<ForegroundToken> mForegroundProcesses = new SparseArray<ForegroundToken>(); 519 520 /** 521 * List of records for processes that someone had tried to start before the 522 * system was ready. We don't start them at that point, but ensure they 523 * are started by the time booting is complete. 524 */ 525 final ArrayList<ProcessRecord> mProcessesOnHold = new ArrayList<ProcessRecord>(); 526 527 /** 528 * List of persistent applications that are in the process 529 * of being started. 530 */ 531 final ArrayList<ProcessRecord> mPersistentStartingProcesses = new ArrayList<ProcessRecord>(); 532 533 /** 534 * Processes that are being forcibly torn down. 535 */ 536 final ArrayList<ProcessRecord> mRemovedProcesses = new ArrayList<ProcessRecord>(); 537 538 /** 539 * List of running applications, sorted by recent usage. 540 * The first entry in the list is the least recently used. 541 */ 542 final ArrayList<ProcessRecord> mLruProcesses = new ArrayList<ProcessRecord>(); 543 544 /** 545 * Where in mLruProcesses that the processes hosting activities start. 546 */ 547 int mLruProcessActivityStart = 0; 548 549 /** 550 * Where in mLruProcesses that the processes hosting services start. 551 * This is after (lower index) than mLruProcessesActivityStart. 552 */ 553 int mLruProcessServiceStart = 0; 554 555 /** 556 * List of processes that should gc as soon as things are idle. 557 */ 558 final ArrayList<ProcessRecord> mProcessesToGc = new ArrayList<ProcessRecord>(); 559 560 /** 561 * Processes we want to collect PSS data from. 562 */ 563 final ArrayList<ProcessRecord> mPendingPssProcesses = new ArrayList<ProcessRecord>(); 564 565 /** 566 * Last time we requested PSS data of all processes. 567 */ 568 long mLastFullPssTime = SystemClock.uptimeMillis(); 569 570 /** 571 * If set, the next time we collect PSS data we should do a full collection 572 * with data from native processes and the kernel. 573 */ 574 boolean mFullPssPending = false; 575 576 /** 577 * This is the process holding what we currently consider to be 578 * the "home" activity. 579 */ 580 ProcessRecord mHomeProcess; 581 582 /** 583 * This is the process holding the activity the user last visited that 584 * is in a different process from the one they are currently in. 585 */ 586 ProcessRecord mPreviousProcess; 587 588 /** 589 * The time at which the previous process was last visible. 590 */ 591 long mPreviousProcessVisibleTime; 592 593 /** 594 * Which uses have been started, so are allowed to run code. 595 */ 596 final SparseArray<UserStartedState> mStartedUsers = new SparseArray<UserStartedState>(); 597 598 /** 599 * LRU list of history of current users. Most recently current is at the end. 600 */ 601 final ArrayList<Integer> mUserLru = new ArrayList<Integer>(); 602 603 /** 604 * Constant array of the users that are currently started. 605 */ 606 int[] mStartedUserArray = new int[] { 0 }; 607 608 /** 609 * Registered observers of the user switching mechanics. 610 */ 611 final RemoteCallbackList<IUserSwitchObserver> mUserSwitchObservers 612 = new RemoteCallbackList<IUserSwitchObserver>(); 613 614 /** 615 * Currently active user switch. 616 */ 617 Object mCurUserSwitchCallback; 618 619 /** 620 * Packages that the user has asked to have run in screen size 621 * compatibility mode instead of filling the screen. 622 */ 623 final CompatModePackages mCompatModePackages; 624 625 /** 626 * Set of IntentSenderRecord objects that are currently active. 627 */ 628 final HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>> mIntentSenderRecords 629 = new HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>>(); 630 631 /** 632 * Fingerprints (hashCode()) of stack traces that we've 633 * already logged DropBox entries for. Guarded by itself. If 634 * something (rogue user app) forces this over 635 * MAX_DUP_SUPPRESSED_STACKS entries, the contents are cleared. 636 */ 637 private final HashSet<Integer> mAlreadyLoggedViolatedStacks = new HashSet<Integer>(); 638 private static final int MAX_DUP_SUPPRESSED_STACKS = 5000; 639 640 /** 641 * Strict Mode background batched logging state. 642 * 643 * The string buffer is guarded by itself, and its lock is also 644 * used to determine if another batched write is already 645 * in-flight. 646 */ 647 private final StringBuilder mStrictModeBuffer = new StringBuilder(); 648 649 /** 650 * Keeps track of all IIntentReceivers that have been registered for 651 * broadcasts. Hash keys are the receiver IBinder, hash value is 652 * a ReceiverList. 653 */ 654 final HashMap<IBinder, ReceiverList> mRegisteredReceivers = 655 new HashMap<IBinder, ReceiverList>(); 656 657 /** 658 * Resolver for broadcast intents to registered receivers. 659 * Holds BroadcastFilter (subclass of IntentFilter). 660 */ 661 final IntentResolver<BroadcastFilter, BroadcastFilter> mReceiverResolver 662 = new IntentResolver<BroadcastFilter, BroadcastFilter>() { 663 @Override 664 protected boolean allowFilterResult( 665 BroadcastFilter filter, List<BroadcastFilter> dest) { 666 IBinder target = filter.receiverList.receiver.asBinder(); 667 for (int i=dest.size()-1; i>=0; i--) { 668 if (dest.get(i).receiverList.receiver.asBinder() == target) { 669 return false; 670 } 671 } 672 return true; 673 } 674 675 @Override 676 protected BroadcastFilter newResult(BroadcastFilter filter, int match, int userId) { 677 if (userId == UserHandle.USER_ALL || filter.owningUserId == UserHandle.USER_ALL 678 || userId == filter.owningUserId) { 679 return super.newResult(filter, match, userId); 680 } 681 return null; 682 } 683 684 @Override 685 protected BroadcastFilter[] newArray(int size) { 686 return new BroadcastFilter[size]; 687 } 688 689 @Override 690 protected boolean isPackageForFilter(String packageName, BroadcastFilter filter) { 691 return packageName.equals(filter.packageName); 692 } 693 }; 694 695 /** 696 * State of all active sticky broadcasts per user. Keys are the action of the 697 * sticky Intent, values are an ArrayList of all broadcasted intents with 698 * that action (which should usually be one). The SparseArray is keyed 699 * by the user ID the sticky is for, and can include UserHandle.USER_ALL 700 * for stickies that are sent to all users. 701 */ 702 final SparseArray<ArrayMap<String, ArrayList<Intent>>> mStickyBroadcasts = 703 new SparseArray<ArrayMap<String, ArrayList<Intent>>>(); 704 705 final ActiveServices mServices; 706 707 /** 708 * Backup/restore process management 709 */ 710 String mBackupAppName = null; 711 BackupRecord mBackupTarget = null; 712 713 final ProviderMap mProviderMap; 714 715 /** 716 * List of content providers who have clients waiting for them. The 717 * application is currently being launched and the provider will be 718 * removed from this list once it is published. 719 */ 720 final ArrayList<ContentProviderRecord> mLaunchingProviders 721 = new ArrayList<ContentProviderRecord>(); 722 723 /** 724 * File storing persisted {@link #mGrantedUriPermissions}. 725 */ 726 private final AtomicFile mGrantFile; 727 728 /** XML constants used in {@link #mGrantFile} */ 729 private static final String TAG_URI_GRANTS = "uri-grants"; 730 private static final String TAG_URI_GRANT = "uri-grant"; 731 private static final String ATTR_USER_HANDLE = "userHandle"; 732 private static final String ATTR_SOURCE_USER_ID = "sourceUserId"; 733 private static final String ATTR_TARGET_USER_ID = "targetUserId"; 734 private static final String ATTR_SOURCE_PKG = "sourcePkg"; 735 private static final String ATTR_TARGET_PKG = "targetPkg"; 736 private static final String ATTR_URI = "uri"; 737 private static final String ATTR_MODE_FLAGS = "modeFlags"; 738 private static final String ATTR_CREATED_TIME = "createdTime"; 739 private static final String ATTR_PREFIX = "prefix"; 740 741 /** 742 * Global set of specific {@link Uri} permissions that have been granted. 743 * This optimized lookup structure maps from {@link UriPermission#targetUid} 744 * to {@link UriPermission#uri} to {@link UriPermission}. 745 */ 746 @GuardedBy("this") 747 private final SparseArray<ArrayMap<GrantUri, UriPermission>> 748 mGrantedUriPermissions = new SparseArray<ArrayMap<GrantUri, UriPermission>>(); 749 750 public static class GrantUri { 751 public final int sourceUserId; 752 public final Uri uri; 753 public boolean prefix; 754 755 public GrantUri(int sourceUserId, Uri uri, boolean prefix) { 756 this.sourceUserId = sourceUserId; 757 this.uri = uri; 758 this.prefix = prefix; 759 } 760 761 @Override 762 public int hashCode() { 763 return toString().hashCode(); 764 } 765 766 @Override 767 public boolean equals(Object o) { 768 if (o instanceof GrantUri) { 769 GrantUri other = (GrantUri) o; 770 return uri.equals(other.uri) && (sourceUserId == other.sourceUserId) 771 && prefix == other.prefix; 772 } 773 return false; 774 } 775 776 @Override 777 public String toString() { 778 String result = Integer.toString(sourceUserId) + " @ " + uri.toString(); 779 if (prefix) result += " [prefix]"; 780 return result; 781 } 782 783 public String toSafeString() { 784 String result = Integer.toString(sourceUserId) + " @ " + uri.toSafeString(); 785 if (prefix) result += " [prefix]"; 786 return result; 787 } 788 789 public static GrantUri resolve(int defaultSourceUserHandle, Uri uri) { 790 return new GrantUri(ContentProvider.getUserIdFromUri(uri, defaultSourceUserHandle), 791 ContentProvider.getUriWithoutUserId(uri), false); 792 } 793 } 794 795 CoreSettingsObserver mCoreSettingsObserver; 796 797 /** 798 * Thread-local storage used to carry caller permissions over through 799 * indirect content-provider access. 800 */ 801 private class Identity { 802 public int pid; 803 public int uid; 804 805 Identity(int _pid, int _uid) { 806 pid = _pid; 807 uid = _uid; 808 } 809 } 810 811 private static final ThreadLocal<Identity> sCallerIdentity = new ThreadLocal<Identity>(); 812 813 /** 814 * All information we have collected about the runtime performance of 815 * any user id that can impact battery performance. 816 */ 817 final BatteryStatsService mBatteryStatsService; 818 819 /** 820 * Information about component usage 821 */ 822 UsageStatsManagerInternal mUsageStatsService; 823 824 /** 825 * Information about and control over application operations 826 */ 827 final AppOpsService mAppOpsService; 828 829 /** 830 * Save recent tasks information across reboots. 831 */ 832 final TaskPersister mTaskPersister; 833 834 /** 835 * Current configuration information. HistoryRecord objects are given 836 * a reference to this object to indicate which configuration they are 837 * currently running in, so this object must be kept immutable. 838 */ 839 Configuration mConfiguration = new Configuration(); 840 841 /** 842 * Current sequencing integer of the configuration, for skipping old 843 * configurations. 844 */ 845 int mConfigurationSeq = 0; 846 847 /** 848 * Hardware-reported OpenGLES version. 849 */ 850 final int GL_ES_VERSION; 851 852 /** 853 * List of initialization arguments to pass to all processes when binding applications to them. 854 * For example, references to the commonly used services. 855 */ 856 HashMap<String, IBinder> mAppBindArgs; 857 858 /** 859 * Temporary to avoid allocations. Protected by main lock. 860 */ 861 final StringBuilder mStringBuilder = new StringBuilder(256); 862 863 /** 864 * Used to control how we initialize the service. 865 */ 866 ComponentName mTopComponent; 867 String mTopAction = Intent.ACTION_MAIN; 868 String mTopData; 869 boolean mProcessesReady = false; 870 boolean mSystemReady = false; 871 boolean mBooting = false; 872 boolean mWaitingUpdate = false; 873 boolean mDidUpdate = false; 874 boolean mOnBattery = false; 875 boolean mLaunchWarningShown = false; 876 877 Context mContext; 878 879 int mFactoryTest; 880 881 boolean mCheckedForSetup; 882 883 /** 884 * The time at which we will allow normal application switches again, 885 * after a call to {@link #stopAppSwitches()}. 886 */ 887 long mAppSwitchesAllowedTime; 888 889 /** 890 * This is set to true after the first switch after mAppSwitchesAllowedTime 891 * is set; any switches after that will clear the time. 892 */ 893 boolean mDidAppSwitch; 894 895 /** 896 * Last time (in realtime) at which we checked for power usage. 897 */ 898 long mLastPowerCheckRealtime; 899 900 /** 901 * Last time (in uptime) at which we checked for power usage. 902 */ 903 long mLastPowerCheckUptime; 904 905 /** 906 * Set while we are wanting to sleep, to prevent any 907 * activities from being started/resumed. 908 */ 909 private boolean mSleeping = false; 910 911 /** 912 * Set while we are running a voice interaction. This overrides 913 * sleeping while it is active. 914 */ 915 private boolean mRunningVoice = false; 916 917 /** 918 * State of external calls telling us if the device is asleep. 919 */ 920 private boolean mWentToSleep = false; 921 922 /** 923 * State of external call telling us if the lock screen is shown. 924 */ 925 private boolean mLockScreenShown = false; 926 927 /** 928 * Set if we are shutting down the system, similar to sleeping. 929 */ 930 boolean mShuttingDown = false; 931 932 /** 933 * Current sequence id for oom_adj computation traversal. 934 */ 935 int mAdjSeq = 0; 936 937 /** 938 * Current sequence id for process LRU updating. 939 */ 940 int mLruSeq = 0; 941 942 /** 943 * Keep track of the non-cached/empty process we last found, to help 944 * determine how to distribute cached/empty processes next time. 945 */ 946 int mNumNonCachedProcs = 0; 947 948 /** 949 * Keep track of the number of cached hidden procs, to balance oom adj 950 * distribution between those and empty procs. 951 */ 952 int mNumCachedHiddenProcs = 0; 953 954 /** 955 * Keep track of the number of service processes we last found, to 956 * determine on the next iteration which should be B services. 957 */ 958 int mNumServiceProcs = 0; 959 int mNewNumAServiceProcs = 0; 960 int mNewNumServiceProcs = 0; 961 962 /** 963 * Allow the current computed overall memory level of the system to go down? 964 * This is set to false when we are killing processes for reasons other than 965 * memory management, so that the now smaller process list will not be taken as 966 * an indication that memory is tighter. 967 */ 968 boolean mAllowLowerMemLevel = false; 969 970 /** 971 * The last computed memory level, for holding when we are in a state that 972 * processes are going away for other reasons. 973 */ 974 int mLastMemoryLevel = ProcessStats.ADJ_MEM_FACTOR_NORMAL; 975 976 /** 977 * The last total number of process we have, to determine if changes actually look 978 * like a shrinking number of process due to lower RAM. 979 */ 980 int mLastNumProcesses; 981 982 /** 983 * The uptime of the last time we performed idle maintenance. 984 */ 985 long mLastIdleTime = SystemClock.uptimeMillis(); 986 987 /** 988 * Total time spent with RAM that has been added in the past since the last idle time. 989 */ 990 long mLowRamTimeSinceLastIdle = 0; 991 992 /** 993 * If RAM is currently low, when that horrible situation started. 994 */ 995 long mLowRamStartTime = 0; 996 997 /** 998 * For reporting to battery stats the current top application. 999 */ 1000 private String mCurResumedPackage = null; 1001 private int mCurResumedUid = -1; 1002 1003 /** 1004 * For reporting to battery stats the apps currently running foreground 1005 * service. The ProcessMap is package/uid tuples; each of these contain 1006 * an array of the currently foreground processes. 1007 */ 1008 final ProcessMap<ArrayList<ProcessRecord>> mForegroundPackages 1009 = new ProcessMap<ArrayList<ProcessRecord>>(); 1010 1011 /** 1012 * This is set if we had to do a delayed dexopt of an app before launching 1013 * it, to increase the ANR timeouts in that case. 1014 */ 1015 boolean mDidDexOpt; 1016 1017 /** 1018 * Set if the systemServer made a call to enterSafeMode. 1019 */ 1020 boolean mSafeMode; 1021 1022 String mDebugApp = null; 1023 boolean mWaitForDebugger = false; 1024 boolean mDebugTransient = false; 1025 String mOrigDebugApp = null; 1026 boolean mOrigWaitForDebugger = false; 1027 boolean mAlwaysFinishActivities = false; 1028 IActivityController mController = null; 1029 String mProfileApp = null; 1030 ProcessRecord mProfileProc = null; 1031 String mProfileFile; 1032 ParcelFileDescriptor mProfileFd; 1033 int mProfileType = 0; 1034 boolean mAutoStopProfiler = false; 1035 String mOpenGlTraceApp = null; 1036 1037 static class ProcessChangeItem { 1038 static final int CHANGE_ACTIVITIES = 1<<0; 1039 static final int CHANGE_PROCESS_STATE = 1<<1; 1040 int changes; 1041 int uid; 1042 int pid; 1043 int processState; 1044 boolean foregroundActivities; 1045 } 1046 1047 final RemoteCallbackList<IProcessObserver> mProcessObservers 1048 = new RemoteCallbackList<IProcessObserver>(); 1049 ProcessChangeItem[] mActiveProcessChanges = new ProcessChangeItem[5]; 1050 1051 final ArrayList<ProcessChangeItem> mPendingProcessChanges 1052 = new ArrayList<ProcessChangeItem>(); 1053 final ArrayList<ProcessChangeItem> mAvailProcessChanges 1054 = new ArrayList<ProcessChangeItem>(); 1055 1056 /** 1057 * Runtime CPU use collection thread. This object's lock is used to 1058 * protect all related state. 1059 */ 1060 final Thread mProcessCpuThread; 1061 1062 /** 1063 * Used to collect process stats when showing not responding dialog. 1064 * Protected by mProcessCpuThread. 1065 */ 1066 final ProcessCpuTracker mProcessCpuTracker = new ProcessCpuTracker( 1067 MONITOR_THREAD_CPU_USAGE); 1068 final AtomicLong mLastCpuTime = new AtomicLong(0); 1069 final AtomicBoolean mProcessCpuMutexFree = new AtomicBoolean(true); 1070 1071 long mLastWriteTime = 0; 1072 1073 /** 1074 * Used to retain an update lock when the foreground activity is in 1075 * immersive mode. 1076 */ 1077 final UpdateLock mUpdateLock = new UpdateLock("immersive"); 1078 1079 /** 1080 * Set to true after the system has finished booting. 1081 */ 1082 boolean mBooted = false; 1083 1084 int mProcessLimit = ProcessList.MAX_CACHED_APPS; 1085 int mProcessLimitOverride = -1; 1086 1087 WindowManagerService mWindowManager; 1088 1089 final ActivityThread mSystemThread; 1090 1091 int mCurrentUserId = 0; 1092 int[] mCurrentProfileIds = new int[] {UserHandle.USER_OWNER}; // Accessed by ActivityStack 1093 1094 /** 1095 * Mapping from each known user ID to the profile group ID it is associated with. 1096 */ 1097 SparseIntArray mUserProfileGroupIdsSelfLocked = new SparseIntArray(); 1098 1099 private UserManagerService mUserManager; 1100 1101 private final class AppDeathRecipient implements IBinder.DeathRecipient { 1102 final ProcessRecord mApp; 1103 final int mPid; 1104 final IApplicationThread mAppThread; 1105 1106 AppDeathRecipient(ProcessRecord app, int pid, 1107 IApplicationThread thread) { 1108 if (localLOGV) Slog.v( 1109 TAG, "New death recipient " + this 1110 + " for thread " + thread.asBinder()); 1111 mApp = app; 1112 mPid = pid; 1113 mAppThread = thread; 1114 } 1115 1116 @Override 1117 public void binderDied() { 1118 if (localLOGV) Slog.v( 1119 TAG, "Death received in " + this 1120 + " for thread " + mAppThread.asBinder()); 1121 synchronized(ActivityManagerService.this) { 1122 appDiedLocked(mApp, mPid, mAppThread); 1123 } 1124 } 1125 } 1126 1127 static final int SHOW_ERROR_MSG = 1; 1128 static final int SHOW_NOT_RESPONDING_MSG = 2; 1129 static final int SHOW_FACTORY_ERROR_MSG = 3; 1130 static final int UPDATE_CONFIGURATION_MSG = 4; 1131 static final int GC_BACKGROUND_PROCESSES_MSG = 5; 1132 static final int WAIT_FOR_DEBUGGER_MSG = 6; 1133 static final int SERVICE_TIMEOUT_MSG = 12; 1134 static final int UPDATE_TIME_ZONE = 13; 1135 static final int SHOW_UID_ERROR_MSG = 14; 1136 static final int IM_FEELING_LUCKY_MSG = 15; 1137 static final int PROC_START_TIMEOUT_MSG = 20; 1138 static final int DO_PENDING_ACTIVITY_LAUNCHES_MSG = 21; 1139 static final int KILL_APPLICATION_MSG = 22; 1140 static final int FINALIZE_PENDING_INTENT_MSG = 23; 1141 static final int POST_HEAVY_NOTIFICATION_MSG = 24; 1142 static final int CANCEL_HEAVY_NOTIFICATION_MSG = 25; 1143 static final int SHOW_STRICT_MODE_VIOLATION_MSG = 26; 1144 static final int CHECK_EXCESSIVE_WAKE_LOCKS_MSG = 27; 1145 static final int CLEAR_DNS_CACHE_MSG = 28; 1146 static final int UPDATE_HTTP_PROXY_MSG = 29; 1147 static final int SHOW_COMPAT_MODE_DIALOG_MSG = 30; 1148 static final int DISPATCH_PROCESSES_CHANGED = 31; 1149 static final int DISPATCH_PROCESS_DIED = 32; 1150 static final int REPORT_MEM_USAGE_MSG = 33; 1151 static final int REPORT_USER_SWITCH_MSG = 34; 1152 static final int CONTINUE_USER_SWITCH_MSG = 35; 1153 static final int USER_SWITCH_TIMEOUT_MSG = 36; 1154 static final int IMMERSIVE_MODE_LOCK_MSG = 37; 1155 static final int PERSIST_URI_GRANTS_MSG = 38; 1156 static final int REQUEST_ALL_PSS_MSG = 39; 1157 static final int START_PROFILES_MSG = 40; 1158 static final int UPDATE_TIME = 41; 1159 static final int SYSTEM_USER_START_MSG = 42; 1160 static final int SYSTEM_USER_CURRENT_MSG = 43; 1161 static final int ENTER_ANIMATION_COMPLETE_MSG = 44; 1162 static final int ENABLE_SCREEN_AFTER_BOOT_MSG = 45; 1163 1164 static final int FIRST_ACTIVITY_STACK_MSG = 100; 1165 static final int FIRST_BROADCAST_QUEUE_MSG = 200; 1166 static final int FIRST_COMPAT_MODE_MSG = 300; 1167 static final int FIRST_SUPERVISOR_STACK_MSG = 100; 1168 1169 AlertDialog mUidAlert; 1170 CompatModeDialog mCompatModeDialog; 1171 long mLastMemUsageReportTime = 0; 1172 1173 private LockToAppRequestDialog mLockToAppRequest; 1174 1175 /** 1176 * Flag whether the current user is a "monkey", i.e. whether 1177 * the UI is driven by a UI automation tool. 1178 */ 1179 private boolean mUserIsMonkey; 1180 1181 /** Flag whether the device has a recents UI */ 1182 final boolean mHasRecents; 1183 1184 final ServiceThread mHandlerThread; 1185 final MainHandler mHandler; 1186 1187 final class MainHandler extends Handler { 1188 public MainHandler(Looper looper) { 1189 super(looper, null, true); 1190 } 1191 1192 @Override 1193 public void handleMessage(Message msg) { 1194 switch (msg.what) { 1195 case SHOW_ERROR_MSG: { 1196 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1197 boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), 1198 Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; 1199 synchronized (ActivityManagerService.this) { 1200 ProcessRecord proc = (ProcessRecord)data.get("app"); 1201 AppErrorResult res = (AppErrorResult) data.get("result"); 1202 if (proc != null && proc.crashDialog != null) { 1203 Slog.e(TAG, "App already has crash dialog: " + proc); 1204 if (res != null) { 1205 res.set(0); 1206 } 1207 return; 1208 } 1209 boolean isBackground = (UserHandle.getAppId(proc.uid) 1210 >= Process.FIRST_APPLICATION_UID 1211 && proc.pid != MY_PID); 1212 for (int userId : mCurrentProfileIds) { 1213 isBackground &= (proc.userId != userId); 1214 } 1215 if (isBackground && !showBackground) { 1216 Slog.w(TAG, "Skipping crash dialog of " + proc + ": background"); 1217 if (res != null) { 1218 res.set(0); 1219 } 1220 return; 1221 } 1222 if (mShowDialogs && !mSleeping && !mShuttingDown) { 1223 Dialog d = new AppErrorDialog(mContext, 1224 ActivityManagerService.this, res, proc); 1225 d.show(); 1226 proc.crashDialog = d; 1227 } else { 1228 // The device is asleep, so just pretend that the user 1229 // saw a crash dialog and hit "force quit". 1230 if (res != null) { 1231 res.set(0); 1232 } 1233 } 1234 } 1235 1236 ensureBootCompleted(); 1237 } break; 1238 case SHOW_NOT_RESPONDING_MSG: { 1239 synchronized (ActivityManagerService.this) { 1240 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1241 ProcessRecord proc = (ProcessRecord)data.get("app"); 1242 if (proc != null && proc.anrDialog != null) { 1243 Slog.e(TAG, "App already has anr dialog: " + proc); 1244 return; 1245 } 1246 1247 Intent intent = new Intent("android.intent.action.ANR"); 1248 if (!mProcessesReady) { 1249 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 1250 | Intent.FLAG_RECEIVER_FOREGROUND); 1251 } 1252 broadcastIntentLocked(null, null, intent, 1253 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 1254 false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */); 1255 1256 if (mShowDialogs) { 1257 Dialog d = new AppNotRespondingDialog(ActivityManagerService.this, 1258 mContext, proc, (ActivityRecord)data.get("activity"), 1259 msg.arg1 != 0); 1260 d.show(); 1261 proc.anrDialog = d; 1262 } else { 1263 // Just kill the app if there is no dialog to be shown. 1264 killAppAtUsersRequest(proc, null); 1265 } 1266 } 1267 1268 ensureBootCompleted(); 1269 } break; 1270 case SHOW_STRICT_MODE_VIOLATION_MSG: { 1271 HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; 1272 synchronized (ActivityManagerService.this) { 1273 ProcessRecord proc = (ProcessRecord) data.get("app"); 1274 if (proc == null) { 1275 Slog.e(TAG, "App not found when showing strict mode dialog."); 1276 break; 1277 } 1278 if (proc.crashDialog != null) { 1279 Slog.e(TAG, "App already has strict mode dialog: " + proc); 1280 return; 1281 } 1282 AppErrorResult res = (AppErrorResult) data.get("result"); 1283 if (mShowDialogs && !mSleeping && !mShuttingDown) { 1284 Dialog d = new StrictModeViolationDialog(mContext, 1285 ActivityManagerService.this, res, proc); 1286 d.show(); 1287 proc.crashDialog = d; 1288 } else { 1289 // The device is asleep, so just pretend that the user 1290 // saw a crash dialog and hit "force quit". 1291 res.set(0); 1292 } 1293 } 1294 ensureBootCompleted(); 1295 } break; 1296 case SHOW_FACTORY_ERROR_MSG: { 1297 Dialog d = new FactoryErrorDialog( 1298 mContext, msg.getData().getCharSequence("msg")); 1299 d.show(); 1300 ensureBootCompleted(); 1301 } break; 1302 case UPDATE_CONFIGURATION_MSG: { 1303 final ContentResolver resolver = mContext.getContentResolver(); 1304 Settings.System.putConfiguration(resolver, (Configuration)msg.obj); 1305 } break; 1306 case GC_BACKGROUND_PROCESSES_MSG: { 1307 synchronized (ActivityManagerService.this) { 1308 performAppGcsIfAppropriateLocked(); 1309 } 1310 } break; 1311 case WAIT_FOR_DEBUGGER_MSG: { 1312 synchronized (ActivityManagerService.this) { 1313 ProcessRecord app = (ProcessRecord)msg.obj; 1314 if (msg.arg1 != 0) { 1315 if (!app.waitedForDebugger) { 1316 Dialog d = new AppWaitingForDebuggerDialog( 1317 ActivityManagerService.this, 1318 mContext, app); 1319 app.waitDialog = d; 1320 app.waitedForDebugger = true; 1321 d.show(); 1322 } 1323 } else { 1324 if (app.waitDialog != null) { 1325 app.waitDialog.dismiss(); 1326 app.waitDialog = null; 1327 } 1328 } 1329 } 1330 } break; 1331 case SERVICE_TIMEOUT_MSG: { 1332 if (mDidDexOpt) { 1333 mDidDexOpt = false; 1334 Message nmsg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); 1335 nmsg.obj = msg.obj; 1336 mHandler.sendMessageDelayed(nmsg, ActiveServices.SERVICE_TIMEOUT); 1337 return; 1338 } 1339 mServices.serviceTimeout((ProcessRecord)msg.obj); 1340 } break; 1341 case UPDATE_TIME_ZONE: { 1342 synchronized (ActivityManagerService.this) { 1343 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1344 ProcessRecord r = mLruProcesses.get(i); 1345 if (r.thread != null) { 1346 try { 1347 r.thread.updateTimeZone(); 1348 } catch (RemoteException ex) { 1349 Slog.w(TAG, "Failed to update time zone for: " + r.info.processName); 1350 } 1351 } 1352 } 1353 } 1354 } break; 1355 case CLEAR_DNS_CACHE_MSG: { 1356 synchronized (ActivityManagerService.this) { 1357 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1358 ProcessRecord r = mLruProcesses.get(i); 1359 if (r.thread != null) { 1360 try { 1361 r.thread.clearDnsCache(); 1362 } catch (RemoteException ex) { 1363 Slog.w(TAG, "Failed to clear dns cache for: " + r.info.processName); 1364 } 1365 } 1366 } 1367 } 1368 } break; 1369 case UPDATE_HTTP_PROXY_MSG: { 1370 ProxyInfo proxy = (ProxyInfo)msg.obj; 1371 String host = ""; 1372 String port = ""; 1373 String exclList = ""; 1374 Uri pacFileUrl = Uri.EMPTY; 1375 if (proxy != null) { 1376 host = proxy.getHost(); 1377 port = Integer.toString(proxy.getPort()); 1378 exclList = proxy.getExclusionListAsString(); 1379 pacFileUrl = proxy.getPacFileUrl(); 1380 } 1381 synchronized (ActivityManagerService.this) { 1382 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1383 ProcessRecord r = mLruProcesses.get(i); 1384 if (r.thread != null) { 1385 try { 1386 r.thread.setHttpProxy(host, port, exclList, pacFileUrl); 1387 } catch (RemoteException ex) { 1388 Slog.w(TAG, "Failed to update http proxy for: " + 1389 r.info.processName); 1390 } 1391 } 1392 } 1393 } 1394 } break; 1395 case SHOW_UID_ERROR_MSG: { 1396 String title = "System UIDs Inconsistent"; 1397 String text = "UIDs on the system are inconsistent, you need to wipe your" 1398 + " data partition or your device will be unstable."; 1399 Log.e(TAG, title + ": " + text); 1400 if (mShowDialogs) { 1401 // XXX This is a temporary dialog, no need to localize. 1402 AlertDialog d = new BaseErrorDialog(mContext); 1403 d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR); 1404 d.setCancelable(false); 1405 d.setTitle(title); 1406 d.setMessage(text); 1407 d.setButton(DialogInterface.BUTTON_POSITIVE, "I'm Feeling Lucky", 1408 mHandler.obtainMessage(IM_FEELING_LUCKY_MSG)); 1409 mUidAlert = d; 1410 d.show(); 1411 } 1412 } break; 1413 case IM_FEELING_LUCKY_MSG: { 1414 if (mUidAlert != null) { 1415 mUidAlert.dismiss(); 1416 mUidAlert = null; 1417 } 1418 } break; 1419 case PROC_START_TIMEOUT_MSG: { 1420 if (mDidDexOpt) { 1421 mDidDexOpt = false; 1422 Message nmsg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); 1423 nmsg.obj = msg.obj; 1424 mHandler.sendMessageDelayed(nmsg, PROC_START_TIMEOUT); 1425 return; 1426 } 1427 ProcessRecord app = (ProcessRecord)msg.obj; 1428 synchronized (ActivityManagerService.this) { 1429 processStartTimedOutLocked(app); 1430 } 1431 } break; 1432 case DO_PENDING_ACTIVITY_LAUNCHES_MSG: { 1433 synchronized (ActivityManagerService.this) { 1434 mStackSupervisor.doPendingActivityLaunchesLocked(true); 1435 } 1436 } break; 1437 case KILL_APPLICATION_MSG: { 1438 synchronized (ActivityManagerService.this) { 1439 int appid = msg.arg1; 1440 boolean restart = (msg.arg2 == 1); 1441 Bundle bundle = (Bundle)msg.obj; 1442 String pkg = bundle.getString("pkg"); 1443 String reason = bundle.getString("reason"); 1444 forceStopPackageLocked(pkg, appid, restart, false, true, false, 1445 false, UserHandle.USER_ALL, reason); 1446 } 1447 } break; 1448 case FINALIZE_PENDING_INTENT_MSG: { 1449 ((PendingIntentRecord)msg.obj).completeFinalize(); 1450 } break; 1451 case POST_HEAVY_NOTIFICATION_MSG: { 1452 INotificationManager inm = NotificationManager.getService(); 1453 if (inm == null) { 1454 return; 1455 } 1456 1457 ActivityRecord root = (ActivityRecord)msg.obj; 1458 ProcessRecord process = root.app; 1459 if (process == null) { 1460 return; 1461 } 1462 1463 try { 1464 Context context = mContext.createPackageContext(process.info.packageName, 0); 1465 String text = mContext.getString(R.string.heavy_weight_notification, 1466 context.getApplicationInfo().loadLabel(context.getPackageManager())); 1467 Notification notification = new Notification(); 1468 notification.icon = com.android.internal.R.drawable.stat_sys_adb; //context.getApplicationInfo().icon; 1469 notification.when = 0; 1470 notification.flags = Notification.FLAG_ONGOING_EVENT; 1471 notification.tickerText = text; 1472 notification.defaults = 0; // please be quiet 1473 notification.sound = null; 1474 notification.vibrate = null; 1475 notification.setLatestEventInfo(context, text, 1476 mContext.getText(R.string.heavy_weight_notification_detail), 1477 PendingIntent.getActivityAsUser(mContext, 0, root.intent, 1478 PendingIntent.FLAG_CANCEL_CURRENT, null, 1479 new UserHandle(root.userId))); 1480 1481 try { 1482 int[] outId = new int[1]; 1483 inm.enqueueNotificationWithTag("android", "android", null, 1484 R.string.heavy_weight_notification, 1485 notification, outId, root.userId); 1486 } catch (RuntimeException e) { 1487 Slog.w(ActivityManagerService.TAG, 1488 "Error showing notification for heavy-weight app", e); 1489 } catch (RemoteException e) { 1490 } 1491 } catch (NameNotFoundException e) { 1492 Slog.w(TAG, "Unable to create context for heavy notification", e); 1493 } 1494 } break; 1495 case CANCEL_HEAVY_NOTIFICATION_MSG: { 1496 INotificationManager inm = NotificationManager.getService(); 1497 if (inm == null) { 1498 return; 1499 } 1500 try { 1501 inm.cancelNotificationWithTag("android", null, 1502 R.string.heavy_weight_notification, msg.arg1); 1503 } catch (RuntimeException e) { 1504 Slog.w(ActivityManagerService.TAG, 1505 "Error canceling notification for service", e); 1506 } catch (RemoteException e) { 1507 } 1508 } break; 1509 case CHECK_EXCESSIVE_WAKE_LOCKS_MSG: { 1510 synchronized (ActivityManagerService.this) { 1511 checkExcessivePowerUsageLocked(true); 1512 removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 1513 Message nmsg = obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 1514 sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 1515 } 1516 } break; 1517 case SHOW_COMPAT_MODE_DIALOG_MSG: { 1518 synchronized (ActivityManagerService.this) { 1519 ActivityRecord ar = (ActivityRecord)msg.obj; 1520 if (mCompatModeDialog != null) { 1521 if (mCompatModeDialog.mAppInfo.packageName.equals( 1522 ar.info.applicationInfo.packageName)) { 1523 return; 1524 } 1525 mCompatModeDialog.dismiss(); 1526 mCompatModeDialog = null; 1527 } 1528 if (ar != null && false) { 1529 if (mCompatModePackages.getPackageAskCompatModeLocked( 1530 ar.packageName)) { 1531 int mode = mCompatModePackages.computeCompatModeLocked( 1532 ar.info.applicationInfo); 1533 if (mode == ActivityManager.COMPAT_MODE_DISABLED 1534 || mode == ActivityManager.COMPAT_MODE_ENABLED) { 1535 mCompatModeDialog = new CompatModeDialog( 1536 ActivityManagerService.this, mContext, 1537 ar.info.applicationInfo); 1538 mCompatModeDialog.show(); 1539 } 1540 } 1541 } 1542 } 1543 break; 1544 } 1545 case DISPATCH_PROCESSES_CHANGED: { 1546 dispatchProcessesChanged(); 1547 break; 1548 } 1549 case DISPATCH_PROCESS_DIED: { 1550 final int pid = msg.arg1; 1551 final int uid = msg.arg2; 1552 dispatchProcessDied(pid, uid); 1553 break; 1554 } 1555 case REPORT_MEM_USAGE_MSG: { 1556 final ArrayList<ProcessMemInfo> memInfos = (ArrayList<ProcessMemInfo>)msg.obj; 1557 Thread thread = new Thread() { 1558 @Override public void run() { 1559 final SparseArray<ProcessMemInfo> infoMap 1560 = new SparseArray<ProcessMemInfo>(memInfos.size()); 1561 for (int i=0, N=memInfos.size(); i<N; i++) { 1562 ProcessMemInfo mi = memInfos.get(i); 1563 infoMap.put(mi.pid, mi); 1564 } 1565 updateCpuStatsNow(); 1566 synchronized (mProcessCpuThread) { 1567 final int N = mProcessCpuTracker.countStats(); 1568 for (int i=0; i<N; i++) { 1569 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 1570 if (st.vsize > 0) { 1571 long pss = Debug.getPss(st.pid, null); 1572 if (pss > 0) { 1573 if (infoMap.indexOfKey(st.pid) < 0) { 1574 ProcessMemInfo mi = new ProcessMemInfo(st.name, st.pid, 1575 ProcessList.NATIVE_ADJ, -1, "native", null); 1576 mi.pss = pss; 1577 memInfos.add(mi); 1578 } 1579 } 1580 } 1581 } 1582 } 1583 1584 long totalPss = 0; 1585 for (int i=0, N=memInfos.size(); i<N; i++) { 1586 ProcessMemInfo mi = memInfos.get(i); 1587 if (mi.pss == 0) { 1588 mi.pss = Debug.getPss(mi.pid, null); 1589 } 1590 totalPss += mi.pss; 1591 } 1592 Collections.sort(memInfos, new Comparator<ProcessMemInfo>() { 1593 @Override public int compare(ProcessMemInfo lhs, ProcessMemInfo rhs) { 1594 if (lhs.oomAdj != rhs.oomAdj) { 1595 return lhs.oomAdj < rhs.oomAdj ? -1 : 1; 1596 } 1597 if (lhs.pss != rhs.pss) { 1598 return lhs.pss < rhs.pss ? 1 : -1; 1599 } 1600 return 0; 1601 } 1602 }); 1603 1604 StringBuilder tag = new StringBuilder(128); 1605 StringBuilder stack = new StringBuilder(128); 1606 tag.append("Low on memory -- "); 1607 appendMemBucket(tag, totalPss, "total", false); 1608 appendMemBucket(stack, totalPss, "total", true); 1609 1610 StringBuilder logBuilder = new StringBuilder(1024); 1611 logBuilder.append("Low on memory:\n"); 1612 1613 boolean firstLine = true; 1614 int lastOomAdj = Integer.MIN_VALUE; 1615 for (int i=0, N=memInfos.size(); i<N; i++) { 1616 ProcessMemInfo mi = memInfos.get(i); 1617 1618 if (mi.oomAdj != ProcessList.NATIVE_ADJ 1619 && (mi.oomAdj < ProcessList.SERVICE_ADJ 1620 || mi.oomAdj == ProcessList.HOME_APP_ADJ 1621 || mi.oomAdj == ProcessList.PREVIOUS_APP_ADJ)) { 1622 if (lastOomAdj != mi.oomAdj) { 1623 lastOomAdj = mi.oomAdj; 1624 if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) { 1625 tag.append(" / "); 1626 } 1627 if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ) { 1628 if (firstLine) { 1629 stack.append(":"); 1630 firstLine = false; 1631 } 1632 stack.append("\n\t at "); 1633 } else { 1634 stack.append("$"); 1635 } 1636 } else { 1637 tag.append(" "); 1638 stack.append("$"); 1639 } 1640 if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) { 1641 appendMemBucket(tag, mi.pss, mi.name, false); 1642 } 1643 appendMemBucket(stack, mi.pss, mi.name, true); 1644 if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ 1645 && ((i+1) >= N || memInfos.get(i+1).oomAdj != lastOomAdj)) { 1646 stack.append("("); 1647 for (int k=0; k<DUMP_MEM_OOM_ADJ.length; k++) { 1648 if (DUMP_MEM_OOM_ADJ[k] == mi.oomAdj) { 1649 stack.append(DUMP_MEM_OOM_LABEL[k]); 1650 stack.append(":"); 1651 stack.append(DUMP_MEM_OOM_ADJ[k]); 1652 } 1653 } 1654 stack.append(")"); 1655 } 1656 } 1657 1658 logBuilder.append(" "); 1659 logBuilder.append(ProcessList.makeOomAdjString(mi.oomAdj)); 1660 logBuilder.append(' '); 1661 logBuilder.append(ProcessList.makeProcStateString(mi.procState)); 1662 logBuilder.append(' '); 1663 ProcessList.appendRamKb(logBuilder, mi.pss); 1664 logBuilder.append(" kB: "); 1665 logBuilder.append(mi.name); 1666 logBuilder.append(" ("); 1667 logBuilder.append(mi.pid); 1668 logBuilder.append(") "); 1669 logBuilder.append(mi.adjType); 1670 logBuilder.append('\n'); 1671 if (mi.adjReason != null) { 1672 logBuilder.append(" "); 1673 logBuilder.append(mi.adjReason); 1674 logBuilder.append('\n'); 1675 } 1676 } 1677 1678 logBuilder.append(" "); 1679 ProcessList.appendRamKb(logBuilder, totalPss); 1680 logBuilder.append(" kB: TOTAL\n"); 1681 1682 long[] infos = new long[Debug.MEMINFO_COUNT]; 1683 Debug.getMemInfo(infos); 1684 logBuilder.append(" MemInfo: "); 1685 logBuilder.append(infos[Debug.MEMINFO_SLAB]).append(" kB slab, "); 1686 logBuilder.append(infos[Debug.MEMINFO_SHMEM]).append(" kB shmem, "); 1687 logBuilder.append(infos[Debug.MEMINFO_BUFFERS]).append(" kB buffers, "); 1688 logBuilder.append(infos[Debug.MEMINFO_CACHED]).append(" kB cached, "); 1689 logBuilder.append(infos[Debug.MEMINFO_FREE]).append(" kB free\n"); 1690 if (infos[Debug.MEMINFO_ZRAM_TOTAL] != 0) { 1691 logBuilder.append(" ZRAM: "); 1692 logBuilder.append(infos[Debug.MEMINFO_ZRAM_TOTAL]); 1693 logBuilder.append(" kB RAM, "); 1694 logBuilder.append(infos[Debug.MEMINFO_SWAP_TOTAL]); 1695 logBuilder.append(" kB swap total, "); 1696 logBuilder.append(infos[Debug.MEMINFO_SWAP_FREE]); 1697 logBuilder.append(" kB swap free\n"); 1698 } 1699 Slog.i(TAG, logBuilder.toString()); 1700 1701 StringBuilder dropBuilder = new StringBuilder(1024); 1702 /* 1703 StringWriter oomSw = new StringWriter(); 1704 PrintWriter oomPw = new FastPrintWriter(oomSw, false, 256); 1705 StringWriter catSw = new StringWriter(); 1706 PrintWriter catPw = new FastPrintWriter(catSw, false, 256); 1707 String[] emptyArgs = new String[] { }; 1708 dumpApplicationMemoryUsage(null, oomPw, " ", emptyArgs, true, catPw); 1709 oomPw.flush(); 1710 String oomString = oomSw.toString(); 1711 */ 1712 dropBuilder.append(stack); 1713 dropBuilder.append('\n'); 1714 dropBuilder.append('\n'); 1715 dropBuilder.append(logBuilder); 1716 dropBuilder.append('\n'); 1717 /* 1718 dropBuilder.append(oomString); 1719 dropBuilder.append('\n'); 1720 */ 1721 StringWriter catSw = new StringWriter(); 1722 synchronized (ActivityManagerService.this) { 1723 PrintWriter catPw = new FastPrintWriter(catSw, false, 256); 1724 String[] emptyArgs = new String[] { }; 1725 catPw.println(); 1726 dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null); 1727 catPw.println(); 1728 mServices.dumpServicesLocked(null, catPw, emptyArgs, 0, 1729 false, false, null); 1730 catPw.println(); 1731 dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null); 1732 catPw.flush(); 1733 } 1734 dropBuilder.append(catSw.toString()); 1735 addErrorToDropBox("lowmem", null, "system_server", null, 1736 null, tag.toString(), dropBuilder.toString(), null, null); 1737 //Slog.i(TAG, "Sent to dropbox:"); 1738 //Slog.i(TAG, dropBuilder.toString()); 1739 synchronized (ActivityManagerService.this) { 1740 long now = SystemClock.uptimeMillis(); 1741 if (mLastMemUsageReportTime < now) { 1742 mLastMemUsageReportTime = now; 1743 } 1744 } 1745 } 1746 }; 1747 thread.start(); 1748 break; 1749 } 1750 case REPORT_USER_SWITCH_MSG: { 1751 dispatchUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1752 break; 1753 } 1754 case CONTINUE_USER_SWITCH_MSG: { 1755 continueUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1756 break; 1757 } 1758 case USER_SWITCH_TIMEOUT_MSG: { 1759 timeoutUserSwitch((UserStartedState) msg.obj, msg.arg1, msg.arg2); 1760 break; 1761 } 1762 case IMMERSIVE_MODE_LOCK_MSG: { 1763 final boolean nextState = (msg.arg1 != 0); 1764 if (mUpdateLock.isHeld() != nextState) { 1765 if (DEBUG_IMMERSIVE) { 1766 final ActivityRecord r = (ActivityRecord) msg.obj; 1767 Slog.d(TAG, "Applying new update lock state '" + nextState + "' for " + r); 1768 } 1769 if (nextState) { 1770 mUpdateLock.acquire(); 1771 } else { 1772 mUpdateLock.release(); 1773 } 1774 } 1775 break; 1776 } 1777 case PERSIST_URI_GRANTS_MSG: { 1778 writeGrantedUriPermissions(); 1779 break; 1780 } 1781 case REQUEST_ALL_PSS_MSG: { 1782 requestPssAllProcsLocked(SystemClock.uptimeMillis(), true, false); 1783 break; 1784 } 1785 case START_PROFILES_MSG: { 1786 synchronized (ActivityManagerService.this) { 1787 startProfilesLocked(); 1788 } 1789 break; 1790 } 1791 case UPDATE_TIME: { 1792 synchronized (ActivityManagerService.this) { 1793 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 1794 ProcessRecord r = mLruProcesses.get(i); 1795 if (r.thread != null) { 1796 try { 1797 r.thread.updateTimePrefs(msg.arg1 == 0 ? false : true); 1798 } catch (RemoteException ex) { 1799 Slog.w(TAG, "Failed to update preferences for: " + r.info.processName); 1800 } 1801 } 1802 } 1803 } 1804 break; 1805 } 1806 case SYSTEM_USER_START_MSG: { 1807 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START, 1808 Integer.toString(msg.arg1), msg.arg1); 1809 mSystemServiceManager.startUser(msg.arg1); 1810 break; 1811 } 1812 case SYSTEM_USER_CURRENT_MSG: { 1813 mBatteryStatsService.noteEvent( 1814 BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_FINISH, 1815 Integer.toString(msg.arg2), msg.arg2); 1816 mBatteryStatsService.noteEvent( 1817 BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START, 1818 Integer.toString(msg.arg1), msg.arg1); 1819 mSystemServiceManager.switchUser(msg.arg1); 1820 break; 1821 } 1822 case ENTER_ANIMATION_COMPLETE_MSG: { 1823 synchronized (ActivityManagerService.this) { 1824 ActivityRecord r = ActivityRecord.forToken((IBinder) msg.obj); 1825 if (r != null && r.app != null && r.app.thread != null) { 1826 try { 1827 r.app.thread.scheduleEnterAnimationComplete(r.appToken); 1828 } catch (RemoteException e) { 1829 } 1830 } 1831 } 1832 break; 1833 } 1834 case ENABLE_SCREEN_AFTER_BOOT_MSG: { 1835 enableScreenAfterBoot(); 1836 break; 1837 } 1838 } 1839 } 1840 }; 1841 1842 static final int COLLECT_PSS_BG_MSG = 1; 1843 1844 final Handler mBgHandler = new Handler(BackgroundThread.getHandler().getLooper()) { 1845 @Override 1846 public void handleMessage(Message msg) { 1847 switch (msg.what) { 1848 case COLLECT_PSS_BG_MSG: { 1849 long start = SystemClock.uptimeMillis(); 1850 MemInfoReader memInfo = null; 1851 synchronized (ActivityManagerService.this) { 1852 if (mFullPssPending) { 1853 mFullPssPending = false; 1854 memInfo = new MemInfoReader(); 1855 } 1856 } 1857 if (memInfo != null) { 1858 updateCpuStatsNow(); 1859 long nativeTotalPss = 0; 1860 synchronized (mProcessCpuThread) { 1861 final int N = mProcessCpuTracker.countStats(); 1862 for (int j=0; j<N; j++) { 1863 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(j); 1864 if (st.vsize <= 0 || st.uid >= Process.FIRST_APPLICATION_UID) { 1865 // This is definitely an application process; skip it. 1866 continue; 1867 } 1868 synchronized (mPidsSelfLocked) { 1869 if (mPidsSelfLocked.indexOfKey(st.pid) >= 0) { 1870 // This is one of our own processes; skip it. 1871 continue; 1872 } 1873 } 1874 nativeTotalPss += Debug.getPss(st.pid, null); 1875 } 1876 } 1877 memInfo.readMemInfo(); 1878 synchronized (this) { 1879 if (DEBUG_PSS) Slog.d(TAG, "Collected native and kernel memory in " 1880 + (SystemClock.uptimeMillis()-start) + "ms"); 1881 mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(), 1882 memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(), 1883 memInfo.getBuffersSizeKb()+memInfo.getShmemSizeKb() 1884 +memInfo.getSlabSizeKb(), 1885 nativeTotalPss); 1886 } 1887 } 1888 1889 int i=0, num=0; 1890 long[] tmp = new long[1]; 1891 do { 1892 ProcessRecord proc; 1893 int procState; 1894 int pid; 1895 synchronized (ActivityManagerService.this) { 1896 if (i >= mPendingPssProcesses.size()) { 1897 if (DEBUG_PSS) Slog.d(TAG, "Collected PSS of " + num + " of " + i 1898 + " processes in " + (SystemClock.uptimeMillis()-start) + "ms"); 1899 mPendingPssProcesses.clear(); 1900 return; 1901 } 1902 proc = mPendingPssProcesses.get(i); 1903 procState = proc.pssProcState; 1904 if (proc.thread != null && procState == proc.setProcState) { 1905 pid = proc.pid; 1906 } else { 1907 proc = null; 1908 pid = 0; 1909 } 1910 i++; 1911 } 1912 if (proc != null) { 1913 long pss = Debug.getPss(pid, tmp); 1914 synchronized (ActivityManagerService.this) { 1915 if (proc.thread != null && proc.setProcState == procState 1916 && proc.pid == pid) { 1917 num++; 1918 proc.lastPssTime = SystemClock.uptimeMillis(); 1919 proc.baseProcessTracker.addPss(pss, tmp[0], true, proc.pkgList); 1920 if (DEBUG_PSS) Slog.d(TAG, "PSS of " + proc.toShortString() 1921 + ": " + pss + " lastPss=" + proc.lastPss 1922 + " state=" + ProcessList.makeProcStateString(procState)); 1923 if (proc.initialIdlePss == 0) { 1924 proc.initialIdlePss = pss; 1925 } 1926 proc.lastPss = pss; 1927 if (procState >= ActivityManager.PROCESS_STATE_HOME) { 1928 proc.lastCachedPss = pss; 1929 } 1930 } 1931 } 1932 } 1933 } while (true); 1934 } 1935 } 1936 } 1937 }; 1938 1939 /** 1940 * Monitor for package changes and update our internal state. 1941 */ 1942 private final PackageMonitor mPackageMonitor = new PackageMonitor() { 1943 @Override 1944 public void onPackageRemoved(String packageName, int uid) { 1945 // Remove all tasks with activities in the specified package from the list of recent tasks 1946 synchronized (ActivityManagerService.this) { 1947 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 1948 TaskRecord tr = mRecentTasks.get(i); 1949 ComponentName cn = tr.intent.getComponent(); 1950 if (cn != null && cn.getPackageName().equals(packageName)) { 1951 // If the package name matches, remove the task and kill the process 1952 removeTaskByIdLocked(tr.taskId, ActivityManager.REMOVE_TASK_KILL_PROCESS); 1953 } 1954 } 1955 } 1956 } 1957 1958 @Override 1959 public boolean onPackageChanged(String packageName, int uid, String[] components) { 1960 onPackageModified(packageName); 1961 return true; 1962 } 1963 1964 @Override 1965 public void onPackageModified(String packageName) { 1966 final PackageManager pm = mContext.getPackageManager(); 1967 final ArrayList<Pair<Intent, Integer>> recentTaskIntents = 1968 new ArrayList<Pair<Intent, Integer>>(); 1969 final ArrayList<Integer> tasksToRemove = new ArrayList<Integer>(); 1970 // Copy the list of recent tasks so that we don't hold onto the lock on 1971 // ActivityManagerService for long periods while checking if components exist. 1972 synchronized (ActivityManagerService.this) { 1973 for (int i = mRecentTasks.size() - 1; i >= 0; i--) { 1974 TaskRecord tr = mRecentTasks.get(i); 1975 recentTaskIntents.add(new Pair<Intent, Integer>(tr.intent, tr.taskId)); 1976 } 1977 } 1978 // Check the recent tasks and filter out all tasks with components that no longer exist. 1979 Intent tmpI = new Intent(); 1980 for (int i = recentTaskIntents.size() - 1; i >= 0; i--) { 1981 Pair<Intent, Integer> p = recentTaskIntents.get(i); 1982 ComponentName cn = p.first.getComponent(); 1983 if (cn != null && cn.getPackageName().equals(packageName)) { 1984 try { 1985 // Add the task to the list to remove if the component no longer exists 1986 tmpI.setComponent(cn); 1987 if (pm.queryIntentActivities(tmpI, PackageManager.MATCH_DEFAULT_ONLY).isEmpty()) { 1988 tasksToRemove.add(p.second); 1989 } 1990 } catch (Exception e) {} 1991 } 1992 } 1993 // Prune all the tasks with removed components from the list of recent tasks 1994 synchronized (ActivityManagerService.this) { 1995 for (int i = tasksToRemove.size() - 1; i >= 0; i--) { 1996 // Remove the task but don't kill the process (since other components in that 1997 // package may still be running and in the background) 1998 removeTaskByIdLocked(tasksToRemove.get(i), 0); 1999 } 2000 } 2001 } 2002 2003 @Override 2004 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 2005 // Force stop the specified packages 2006 if (packages != null) { 2007 for (String pkg : packages) { 2008 synchronized (ActivityManagerService.this) { 2009 if (forceStopPackageLocked(pkg, -1, false, false, false, false, false, 0, 2010 "finished booting")) { 2011 return true; 2012 } 2013 } 2014 } 2015 } 2016 return false; 2017 } 2018 }; 2019 2020 public void setSystemProcess() { 2021 try { 2022 ServiceManager.addService(Context.ACTIVITY_SERVICE, this, true); 2023 ServiceManager.addService(ProcessStats.SERVICE_NAME, mProcessStats); 2024 ServiceManager.addService("meminfo", new MemBinder(this)); 2025 ServiceManager.addService("gfxinfo", new GraphicsBinder(this)); 2026 ServiceManager.addService("dbinfo", new DbBinder(this)); 2027 if (MONITOR_CPU_USAGE) { 2028 ServiceManager.addService("cpuinfo", new CpuBinder(this)); 2029 } 2030 ServiceManager.addService("permission", new PermissionController(this)); 2031 2032 ApplicationInfo info = mContext.getPackageManager().getApplicationInfo( 2033 "android", STOCK_PM_FLAGS); 2034 mSystemThread.installSystemApplicationInfo(info); 2035 2036 synchronized (this) { 2037 ProcessRecord app = newProcessRecordLocked(info, info.processName, false, 0); 2038 app.persistent = true; 2039 app.pid = MY_PID; 2040 app.maxAdj = ProcessList.SYSTEM_ADJ; 2041 app.makeActive(mSystemThread.getApplicationThread(), mProcessStats); 2042 mProcessNames.put(app.processName, app.uid, app); 2043 synchronized (mPidsSelfLocked) { 2044 mPidsSelfLocked.put(app.pid, app); 2045 } 2046 updateLruProcessLocked(app, false, null); 2047 updateOomAdjLocked(); 2048 } 2049 } catch (PackageManager.NameNotFoundException e) { 2050 throw new RuntimeException( 2051 "Unable to find android system package", e); 2052 } 2053 } 2054 2055 public void setWindowManager(WindowManagerService wm) { 2056 mWindowManager = wm; 2057 mStackSupervisor.setWindowManager(wm); 2058 } 2059 2060 public void setUsageStatsManager(UsageStatsManagerInternal usageStatsManager) { 2061 mUsageStatsService = usageStatsManager; 2062 } 2063 2064 public void startObservingNativeCrashes() { 2065 final NativeCrashListener ncl = new NativeCrashListener(this); 2066 ncl.start(); 2067 } 2068 2069 public IAppOpsService getAppOpsService() { 2070 return mAppOpsService; 2071 } 2072 2073 static class MemBinder extends Binder { 2074 ActivityManagerService mActivityManagerService; 2075 MemBinder(ActivityManagerService activityManagerService) { 2076 mActivityManagerService = activityManagerService; 2077 } 2078 2079 @Override 2080 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2081 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2082 != PackageManager.PERMISSION_GRANTED) { 2083 pw.println("Permission Denial: can't dump meminfo from from pid=" 2084 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2085 + " without permission " + android.Manifest.permission.DUMP); 2086 return; 2087 } 2088 2089 mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args, false, null); 2090 } 2091 } 2092 2093 static class GraphicsBinder extends Binder { 2094 ActivityManagerService mActivityManagerService; 2095 GraphicsBinder(ActivityManagerService activityManagerService) { 2096 mActivityManagerService = activityManagerService; 2097 } 2098 2099 @Override 2100 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2101 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2102 != PackageManager.PERMISSION_GRANTED) { 2103 pw.println("Permission Denial: can't dump gfxinfo from from pid=" 2104 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2105 + " without permission " + android.Manifest.permission.DUMP); 2106 return; 2107 } 2108 2109 mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args); 2110 } 2111 } 2112 2113 static class DbBinder extends Binder { 2114 ActivityManagerService mActivityManagerService; 2115 DbBinder(ActivityManagerService activityManagerService) { 2116 mActivityManagerService = activityManagerService; 2117 } 2118 2119 @Override 2120 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2121 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2122 != PackageManager.PERMISSION_GRANTED) { 2123 pw.println("Permission Denial: can't dump dbinfo from from pid=" 2124 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2125 + " without permission " + android.Manifest.permission.DUMP); 2126 return; 2127 } 2128 2129 mActivityManagerService.dumpDbInfo(fd, pw, args); 2130 } 2131 } 2132 2133 static class CpuBinder extends Binder { 2134 ActivityManagerService mActivityManagerService; 2135 CpuBinder(ActivityManagerService activityManagerService) { 2136 mActivityManagerService = activityManagerService; 2137 } 2138 2139 @Override 2140 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2141 if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) 2142 != PackageManager.PERMISSION_GRANTED) { 2143 pw.println("Permission Denial: can't dump cpuinfo from from pid=" 2144 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2145 + " without permission " + android.Manifest.permission.DUMP); 2146 return; 2147 } 2148 2149 synchronized (mActivityManagerService.mProcessCpuThread) { 2150 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentLoad()); 2151 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentState( 2152 SystemClock.uptimeMillis())); 2153 } 2154 } 2155 } 2156 2157 public static final class Lifecycle extends SystemService { 2158 private final ActivityManagerService mService; 2159 2160 public Lifecycle(Context context) { 2161 super(context); 2162 mService = new ActivityManagerService(context); 2163 } 2164 2165 @Override 2166 public void onStart() { 2167 mService.start(); 2168 } 2169 2170 public ActivityManagerService getService() { 2171 return mService; 2172 } 2173 } 2174 2175 // Note: This method is invoked on the main thread but may need to attach various 2176 // handlers to other threads. So take care to be explicit about the looper. 2177 public ActivityManagerService(Context systemContext) { 2178 mContext = systemContext; 2179 mFactoryTest = FactoryTest.getMode(); 2180 mSystemThread = ActivityThread.currentActivityThread(); 2181 2182 Slog.i(TAG, "Memory class: " + ActivityManager.staticGetMemoryClass()); 2183 2184 mHandlerThread = new ServiceThread(TAG, 2185 android.os.Process.THREAD_PRIORITY_FOREGROUND, false /*allowIo*/); 2186 mHandlerThread.start(); 2187 mHandler = new MainHandler(mHandlerThread.getLooper()); 2188 2189 mFgBroadcastQueue = new BroadcastQueue(this, mHandler, 2190 "foreground", BROADCAST_FG_TIMEOUT, false); 2191 mBgBroadcastQueue = new BroadcastQueue(this, mHandler, 2192 "background", BROADCAST_BG_TIMEOUT, true); 2193 mBroadcastQueues[0] = mFgBroadcastQueue; 2194 mBroadcastQueues[1] = mBgBroadcastQueue; 2195 2196 mServices = new ActiveServices(this); 2197 mProviderMap = new ProviderMap(this); 2198 2199 // TODO: Move creation of battery stats service outside of activity manager service. 2200 File dataDir = Environment.getDataDirectory(); 2201 File systemDir = new File(dataDir, "system"); 2202 systemDir.mkdirs(); 2203 mBatteryStatsService = new BatteryStatsService(systemDir, mHandler); 2204 mBatteryStatsService.getActiveStatistics().readLocked(); 2205 mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); 2206 mOnBattery = DEBUG_POWER ? true 2207 : mBatteryStatsService.getActiveStatistics().getIsOnBattery(); 2208 mBatteryStatsService.getActiveStatistics().setCallback(this); 2209 2210 mProcessStats = new ProcessStatsService(this, new File(systemDir, "procstats")); 2211 2212 mAppOpsService = new AppOpsService(new File(systemDir, "appops.xml"), mHandler); 2213 2214 mGrantFile = new AtomicFile(new File(systemDir, "urigrants.xml")); 2215 2216 // User 0 is the first and only user that runs at boot. 2217 mStartedUsers.put(0, new UserStartedState(new UserHandle(0), true)); 2218 mUserLru.add(Integer.valueOf(0)); 2219 updateStartedUserArrayLocked(); 2220 2221 GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version", 2222 ConfigurationInfo.GL_ES_VERSION_UNDEFINED); 2223 2224 mConfiguration.setToDefaults(); 2225 mConfiguration.setLocale(Locale.getDefault()); 2226 2227 mConfigurationSeq = mConfiguration.seq = 1; 2228 mProcessCpuTracker.init(); 2229 2230 mHasRecents = mContext.getResources().getBoolean( 2231 com.android.internal.R.bool.config_hasRecents); 2232 2233 mCompatModePackages = new CompatModePackages(this, systemDir, mHandler); 2234 mIntentFirewall = new IntentFirewall(new IntentFirewallInterface(), mHandler); 2235 mStackSupervisor = new ActivityStackSupervisor(this); 2236 mTaskPersister = new TaskPersister(systemDir, mStackSupervisor); 2237 2238 mProcessCpuThread = new Thread("CpuTracker") { 2239 @Override 2240 public void run() { 2241 while (true) { 2242 try { 2243 try { 2244 synchronized(this) { 2245 final long now = SystemClock.uptimeMillis(); 2246 long nextCpuDelay = (mLastCpuTime.get()+MONITOR_CPU_MAX_TIME)-now; 2247 long nextWriteDelay = (mLastWriteTime+BATTERY_STATS_TIME)-now; 2248 //Slog.i(TAG, "Cpu delay=" + nextCpuDelay 2249 // + ", write delay=" + nextWriteDelay); 2250 if (nextWriteDelay < nextCpuDelay) { 2251 nextCpuDelay = nextWriteDelay; 2252 } 2253 if (nextCpuDelay > 0) { 2254 mProcessCpuMutexFree.set(true); 2255 this.wait(nextCpuDelay); 2256 } 2257 } 2258 } catch (InterruptedException e) { 2259 } 2260 updateCpuStatsNow(); 2261 } catch (Exception e) { 2262 Slog.e(TAG, "Unexpected exception collecting process stats", e); 2263 } 2264 } 2265 } 2266 }; 2267 2268 mLockToAppRequest = new LockToAppRequestDialog(mContext, this); 2269 2270 Watchdog.getInstance().addMonitor(this); 2271 Watchdog.getInstance().addThread(mHandler); 2272 } 2273 2274 public void setSystemServiceManager(SystemServiceManager mgr) { 2275 mSystemServiceManager = mgr; 2276 } 2277 2278 private void start() { 2279 Process.removeAllProcessGroups(); 2280 mProcessCpuThread.start(); 2281 2282 mBatteryStatsService.publish(mContext); 2283 mAppOpsService.publish(mContext); 2284 Slog.d("AppOps", "AppOpsService published"); 2285 LocalServices.addService(ActivityManagerInternal.class, new LocalService()); 2286 } 2287 2288 public void initPowerManagement() { 2289 mStackSupervisor.initPowerManagement(); 2290 mBatteryStatsService.initPowerManagement(); 2291 } 2292 2293 @Override 2294 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2295 throws RemoteException { 2296 if (code == SYSPROPS_TRANSACTION) { 2297 // We need to tell all apps about the system property change. 2298 ArrayList<IBinder> procs = new ArrayList<IBinder>(); 2299 synchronized(this) { 2300 final int NP = mProcessNames.getMap().size(); 2301 for (int ip=0; ip<NP; ip++) { 2302 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 2303 final int NA = apps.size(); 2304 for (int ia=0; ia<NA; ia++) { 2305 ProcessRecord app = apps.valueAt(ia); 2306 if (app.thread != null) { 2307 procs.add(app.thread.asBinder()); 2308 } 2309 } 2310 } 2311 } 2312 2313 int N = procs.size(); 2314 for (int i=0; i<N; i++) { 2315 Parcel data2 = Parcel.obtain(); 2316 try { 2317 procs.get(i).transact(IBinder.SYSPROPS_TRANSACTION, data2, null, 0); 2318 } catch (RemoteException e) { 2319 } 2320 data2.recycle(); 2321 } 2322 } 2323 try { 2324 return super.onTransact(code, data, reply, flags); 2325 } catch (RuntimeException e) { 2326 // The activity manager only throws security exceptions, so let's 2327 // log all others. 2328 if (!(e instanceof SecurityException)) { 2329 Slog.wtf(TAG, "Activity Manager Crash", e); 2330 } 2331 throw e; 2332 } 2333 } 2334 2335 void updateCpuStats() { 2336 final long now = SystemClock.uptimeMillis(); 2337 if (mLastCpuTime.get() >= now - MONITOR_CPU_MIN_TIME) { 2338 return; 2339 } 2340 if (mProcessCpuMutexFree.compareAndSet(true, false)) { 2341 synchronized (mProcessCpuThread) { 2342 mProcessCpuThread.notify(); 2343 } 2344 } 2345 } 2346 2347 void updateCpuStatsNow() { 2348 synchronized (mProcessCpuThread) { 2349 mProcessCpuMutexFree.set(false); 2350 final long now = SystemClock.uptimeMillis(); 2351 boolean haveNewCpuStats = false; 2352 2353 if (MONITOR_CPU_USAGE && 2354 mLastCpuTime.get() < (now-MONITOR_CPU_MIN_TIME)) { 2355 mLastCpuTime.set(now); 2356 haveNewCpuStats = true; 2357 mProcessCpuTracker.update(); 2358 //Slog.i(TAG, mProcessCpu.printCurrentState()); 2359 //Slog.i(TAG, "Total CPU usage: " 2360 // + mProcessCpu.getTotalCpuPercent() + "%"); 2361 2362 // Slog the cpu usage if the property is set. 2363 if ("true".equals(SystemProperties.get("events.cpu"))) { 2364 int user = mProcessCpuTracker.getLastUserTime(); 2365 int system = mProcessCpuTracker.getLastSystemTime(); 2366 int iowait = mProcessCpuTracker.getLastIoWaitTime(); 2367 int irq = mProcessCpuTracker.getLastIrqTime(); 2368 int softIrq = mProcessCpuTracker.getLastSoftIrqTime(); 2369 int idle = mProcessCpuTracker.getLastIdleTime(); 2370 2371 int total = user + system + iowait + irq + softIrq + idle; 2372 if (total == 0) total = 1; 2373 2374 EventLog.writeEvent(EventLogTags.CPU, 2375 ((user+system+iowait+irq+softIrq) * 100) / total, 2376 (user * 100) / total, 2377 (system * 100) / total, 2378 (iowait * 100) / total, 2379 (irq * 100) / total, 2380 (softIrq * 100) / total); 2381 } 2382 } 2383 2384 long[] cpuSpeedTimes = mProcessCpuTracker.getLastCpuSpeedTimes(); 2385 final BatteryStatsImpl bstats = mBatteryStatsService.getActiveStatistics(); 2386 synchronized(bstats) { 2387 synchronized(mPidsSelfLocked) { 2388 if (haveNewCpuStats) { 2389 if (mOnBattery) { 2390 int perc = bstats.startAddingCpuLocked(); 2391 int totalUTime = 0; 2392 int totalSTime = 0; 2393 final int N = mProcessCpuTracker.countStats(); 2394 for (int i=0; i<N; i++) { 2395 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 2396 if (!st.working) { 2397 continue; 2398 } 2399 ProcessRecord pr = mPidsSelfLocked.get(st.pid); 2400 int otherUTime = (st.rel_utime*perc)/100; 2401 int otherSTime = (st.rel_stime*perc)/100; 2402 totalUTime += otherUTime; 2403 totalSTime += otherSTime; 2404 if (pr != null) { 2405 BatteryStatsImpl.Uid.Proc ps = pr.curProcBatteryStats; 2406 if (ps == null || !ps.isActive()) { 2407 pr.curProcBatteryStats = ps = bstats.getProcessStatsLocked( 2408 pr.info.uid, pr.processName); 2409 } 2410 ps.addCpuTimeLocked(st.rel_utime-otherUTime, 2411 st.rel_stime-otherSTime); 2412 ps.addSpeedStepTimes(cpuSpeedTimes); 2413 pr.curCpuTime += (st.rel_utime+st.rel_stime) * 10; 2414 } else { 2415 BatteryStatsImpl.Uid.Proc ps = st.batteryStats; 2416 if (ps == null || !ps.isActive()) { 2417 st.batteryStats = ps = bstats.getProcessStatsLocked( 2418 bstats.mapUid(st.uid), st.name); 2419 } 2420 ps.addCpuTimeLocked(st.rel_utime-otherUTime, 2421 st.rel_stime-otherSTime); 2422 ps.addSpeedStepTimes(cpuSpeedTimes); 2423 } 2424 } 2425 bstats.finishAddingCpuLocked(perc, totalUTime, 2426 totalSTime, cpuSpeedTimes); 2427 } 2428 } 2429 } 2430 2431 if (mLastWriteTime < (now-BATTERY_STATS_TIME)) { 2432 mLastWriteTime = now; 2433 mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); 2434 } 2435 } 2436 } 2437 } 2438 2439 @Override 2440 public void batteryNeedsCpuUpdate() { 2441 updateCpuStatsNow(); 2442 } 2443 2444 @Override 2445 public void batteryPowerChanged(boolean onBattery) { 2446 // When plugging in, update the CPU stats first before changing 2447 // the plug state. 2448 updateCpuStatsNow(); 2449 synchronized (this) { 2450 synchronized(mPidsSelfLocked) { 2451 mOnBattery = DEBUG_POWER ? true : onBattery; 2452 } 2453 } 2454 } 2455 2456 /** 2457 * Initialize the application bind args. These are passed to each 2458 * process when the bindApplication() IPC is sent to the process. They're 2459 * lazily setup to make sure the services are running when they're asked for. 2460 */ 2461 private HashMap<String, IBinder> getCommonServicesLocked() { 2462 if (mAppBindArgs == null) { 2463 mAppBindArgs = new HashMap<String, IBinder>(); 2464 2465 // Setup the application init args 2466 mAppBindArgs.put("package", ServiceManager.getService("package")); 2467 mAppBindArgs.put("window", ServiceManager.getService("window")); 2468 mAppBindArgs.put(Context.ALARM_SERVICE, 2469 ServiceManager.getService(Context.ALARM_SERVICE)); 2470 } 2471 return mAppBindArgs; 2472 } 2473 2474 final void setFocusedActivityLocked(ActivityRecord r) { 2475 if (mFocusedActivity != r) { 2476 if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedActivityLocked: r=" + r); 2477 mFocusedActivity = r; 2478 if (r.task != null && r.task.voiceInteractor != null) { 2479 startRunningVoiceLocked(); 2480 } else { 2481 finishRunningVoiceLocked(); 2482 } 2483 mStackSupervisor.setFocusedStack(r); 2484 if (r != null) { 2485 mWindowManager.setFocusedApp(r.appToken, true); 2486 } 2487 applyUpdateLockStateLocked(r); 2488 } 2489 } 2490 2491 final void clearFocusedActivity(ActivityRecord r) { 2492 if (mFocusedActivity == r) { 2493 mFocusedActivity = null; 2494 } 2495 } 2496 2497 @Override 2498 public void setFocusedStack(int stackId) { 2499 if (DEBUG_FOCUS) Slog.d(TAG, "setFocusedStack: stackId=" + stackId); 2500 synchronized (ActivityManagerService.this) { 2501 ActivityStack stack = mStackSupervisor.getStack(stackId); 2502 if (stack != null) { 2503 ActivityRecord r = stack.topRunningActivityLocked(null); 2504 if (r != null) { 2505 setFocusedActivityLocked(r); 2506 } 2507 } 2508 } 2509 } 2510 2511 @Override 2512 public void notifyActivityDrawn(IBinder token) { 2513 if (DEBUG_VISBILITY) Slog.d(TAG, "notifyActivityDrawn: token=" + token); 2514 synchronized (this) { 2515 ActivityRecord r= mStackSupervisor.isInAnyStackLocked(token); 2516 if (r != null) { 2517 r.task.stack.notifyActivityDrawnLocked(r); 2518 } 2519 } 2520 } 2521 2522 final void applyUpdateLockStateLocked(ActivityRecord r) { 2523 // Modifications to the UpdateLock state are done on our handler, outside 2524 // the activity manager's locks. The new state is determined based on the 2525 // state *now* of the relevant activity record. The object is passed to 2526 // the handler solely for logging detail, not to be consulted/modified. 2527 final boolean nextState = r != null && r.immersive; 2528 mHandler.sendMessage( 2529 mHandler.obtainMessage(IMMERSIVE_MODE_LOCK_MSG, (nextState) ? 1 : 0, 0, r)); 2530 } 2531 2532 final void showAskCompatModeDialogLocked(ActivityRecord r) { 2533 Message msg = Message.obtain(); 2534 msg.what = SHOW_COMPAT_MODE_DIALOG_MSG; 2535 msg.obj = r.task.askedCompatMode ? null : r; 2536 mHandler.sendMessage(msg); 2537 } 2538 2539 private final int updateLruProcessInternalLocked(ProcessRecord app, long now, int index, 2540 String what, Object obj, ProcessRecord srcApp) { 2541 app.lastActivityTime = now; 2542 2543 if (app.activities.size() > 0) { 2544 // Don't want to touch dependent processes that are hosting activities. 2545 return index; 2546 } 2547 2548 int lrui = mLruProcesses.lastIndexOf(app); 2549 if (lrui < 0) { 2550 Slog.wtf(TAG, "Adding dependent process " + app + " not on LRU list: " 2551 + what + " " + obj + " from " + srcApp); 2552 return index; 2553 } 2554 2555 if (lrui >= index) { 2556 // Don't want to cause this to move dependent processes *back* in the 2557 // list as if they were less frequently used. 2558 return index; 2559 } 2560 2561 if (lrui >= mLruProcessActivityStart) { 2562 // Don't want to touch dependent processes that are hosting activities. 2563 return index; 2564 } 2565 2566 mLruProcesses.remove(lrui); 2567 if (index > 0) { 2568 index--; 2569 } 2570 if (DEBUG_LRU) Slog.d(TAG, "Moving dep from " + lrui + " to " + index 2571 + " in LRU list: " + app); 2572 mLruProcesses.add(index, app); 2573 return index; 2574 } 2575 2576 final void removeLruProcessLocked(ProcessRecord app) { 2577 int lrui = mLruProcesses.lastIndexOf(app); 2578 if (lrui >= 0) { 2579 if (lrui <= mLruProcessActivityStart) { 2580 mLruProcessActivityStart--; 2581 } 2582 if (lrui <= mLruProcessServiceStart) { 2583 mLruProcessServiceStart--; 2584 } 2585 mLruProcesses.remove(lrui); 2586 } 2587 } 2588 2589 final void updateLruProcessLocked(ProcessRecord app, boolean activityChange, 2590 ProcessRecord client) { 2591 final boolean hasActivity = app.activities.size() > 0 || app.hasClientActivities 2592 || app.treatLikeActivity; 2593 final boolean hasService = false; // not impl yet. app.services.size() > 0; 2594 if (!activityChange && hasActivity) { 2595 // The process has activities, so we are only allowing activity-based adjustments 2596 // to move it. It should be kept in the front of the list with other 2597 // processes that have activities, and we don't want those to change their 2598 // order except due to activity operations. 2599 return; 2600 } 2601 2602 mLruSeq++; 2603 final long now = SystemClock.uptimeMillis(); 2604 app.lastActivityTime = now; 2605 2606 // First a quick reject: if the app is already at the position we will 2607 // put it, then there is nothing to do. 2608 if (hasActivity) { 2609 final int N = mLruProcesses.size(); 2610 if (N > 0 && mLruProcesses.get(N-1) == app) { 2611 if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top activity: " + app); 2612 return; 2613 } 2614 } else { 2615 if (mLruProcessServiceStart > 0 2616 && mLruProcesses.get(mLruProcessServiceStart-1) == app) { 2617 if (DEBUG_LRU) Slog.d(TAG, "Not moving, already top other: " + app); 2618 return; 2619 } 2620 } 2621 2622 int lrui = mLruProcesses.lastIndexOf(app); 2623 2624 if (app.persistent && lrui >= 0) { 2625 // We don't care about the position of persistent processes, as long as 2626 // they are in the list. 2627 if (DEBUG_LRU) Slog.d(TAG, "Not moving, persistent: " + app); 2628 return; 2629 } 2630 2631 /* In progress: compute new position first, so we can avoid doing work 2632 if the process is not actually going to move. Not yet working. 2633 int addIndex; 2634 int nextIndex; 2635 boolean inActivity = false, inService = false; 2636 if (hasActivity) { 2637 // Process has activities, put it at the very tipsy-top. 2638 addIndex = mLruProcesses.size(); 2639 nextIndex = mLruProcessServiceStart; 2640 inActivity = true; 2641 } else if (hasService) { 2642 // Process has services, put it at the top of the service list. 2643 addIndex = mLruProcessActivityStart; 2644 nextIndex = mLruProcessServiceStart; 2645 inActivity = true; 2646 inService = true; 2647 } else { 2648 // Process not otherwise of interest, it goes to the top of the non-service area. 2649 addIndex = mLruProcessServiceStart; 2650 if (client != null) { 2651 int clientIndex = mLruProcesses.lastIndexOf(client); 2652 if (clientIndex < 0) Slog.d(TAG, "Unknown client " + client + " when updating " 2653 + app); 2654 if (clientIndex >= 0 && addIndex > clientIndex) { 2655 addIndex = clientIndex; 2656 } 2657 } 2658 nextIndex = addIndex > 0 ? addIndex-1 : addIndex; 2659 } 2660 2661 Slog.d(TAG, "Update LRU at " + lrui + " to " + addIndex + " (act=" 2662 + mLruProcessActivityStart + "): " + app); 2663 */ 2664 2665 if (lrui >= 0) { 2666 if (lrui < mLruProcessActivityStart) { 2667 mLruProcessActivityStart--; 2668 } 2669 if (lrui < mLruProcessServiceStart) { 2670 mLruProcessServiceStart--; 2671 } 2672 /* 2673 if (addIndex > lrui) { 2674 addIndex--; 2675 } 2676 if (nextIndex > lrui) { 2677 nextIndex--; 2678 } 2679 */ 2680 mLruProcesses.remove(lrui); 2681 } 2682 2683 /* 2684 mLruProcesses.add(addIndex, app); 2685 if (inActivity) { 2686 mLruProcessActivityStart++; 2687 } 2688 if (inService) { 2689 mLruProcessActivityStart++; 2690 } 2691 */ 2692 2693 int nextIndex; 2694 if (hasActivity) { 2695 final int N = mLruProcesses.size(); 2696 if (app.activities.size() == 0 && mLruProcessActivityStart < (N-1)) { 2697 // Process doesn't have activities, but has clients with 2698 // activities... move it up, but one below the top (the top 2699 // should always have a real activity). 2700 if (DEBUG_LRU) Slog.d(TAG, "Adding to second-top of LRU activity list: " + app); 2701 mLruProcesses.add(N-1, app); 2702 // To keep it from spamming the LRU list (by making a bunch of clients), 2703 // we will push down any other entries owned by the app. 2704 final int uid = app.info.uid; 2705 for (int i=N-2; i>mLruProcessActivityStart; i--) { 2706 ProcessRecord subProc = mLruProcesses.get(i); 2707 if (subProc.info.uid == uid) { 2708 // We want to push this one down the list. If the process after 2709 // it is for the same uid, however, don't do so, because we don't 2710 // want them internally to be re-ordered. 2711 if (mLruProcesses.get(i-1).info.uid != uid) { 2712 if (DEBUG_LRU) Slog.d(TAG, "Pushing uid " + uid + " swapping at " + i 2713 + ": " + mLruProcesses.get(i) + " : " + mLruProcesses.get(i-1)); 2714 ProcessRecord tmp = mLruProcesses.get(i); 2715 mLruProcesses.set(i, mLruProcesses.get(i-1)); 2716 mLruProcesses.set(i-1, tmp); 2717 i--; 2718 } 2719 } else { 2720 // A gap, we can stop here. 2721 break; 2722 } 2723 } 2724 } else { 2725 // Process has activities, put it at the very tipsy-top. 2726 if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU activity list: " + app); 2727 mLruProcesses.add(app); 2728 } 2729 nextIndex = mLruProcessServiceStart; 2730 } else if (hasService) { 2731 // Process has services, put it at the top of the service list. 2732 if (DEBUG_LRU) Slog.d(TAG, "Adding to top of LRU service list: " + app); 2733 mLruProcesses.add(mLruProcessActivityStart, app); 2734 nextIndex = mLruProcessServiceStart; 2735 mLruProcessActivityStart++; 2736 } else { 2737 // Process not otherwise of interest, it goes to the top of the non-service area. 2738 int index = mLruProcessServiceStart; 2739 if (client != null) { 2740 // If there is a client, don't allow the process to be moved up higher 2741 // in the list than that client. 2742 int clientIndex = mLruProcesses.lastIndexOf(client); 2743 if (DEBUG_LRU && clientIndex < 0) Slog.d(TAG, "Unknown client " + client 2744 + " when updating " + app); 2745 if (clientIndex <= lrui) { 2746 // Don't allow the client index restriction to push it down farther in the 2747 // list than it already is. 2748 clientIndex = lrui; 2749 } 2750 if (clientIndex >= 0 && index > clientIndex) { 2751 index = clientIndex; 2752 } 2753 } 2754 if (DEBUG_LRU) Slog.d(TAG, "Adding at " + index + " of LRU list: " + app); 2755 mLruProcesses.add(index, app); 2756 nextIndex = index-1; 2757 mLruProcessActivityStart++; 2758 mLruProcessServiceStart++; 2759 } 2760 2761 // If the app is currently using a content provider or service, 2762 // bump those processes as well. 2763 for (int j=app.connections.size()-1; j>=0; j--) { 2764 ConnectionRecord cr = app.connections.valueAt(j); 2765 if (cr.binding != null && !cr.serviceDead && cr.binding.service != null 2766 && cr.binding.service.app != null 2767 && cr.binding.service.app.lruSeq != mLruSeq 2768 && !cr.binding.service.app.persistent) { 2769 nextIndex = updateLruProcessInternalLocked(cr.binding.service.app, now, nextIndex, 2770 "service connection", cr, app); 2771 } 2772 } 2773 for (int j=app.conProviders.size()-1; j>=0; j--) { 2774 ContentProviderRecord cpr = app.conProviders.get(j).provider; 2775 if (cpr.proc != null && cpr.proc.lruSeq != mLruSeq && !cpr.proc.persistent) { 2776 nextIndex = updateLruProcessInternalLocked(cpr.proc, now, nextIndex, 2777 "provider reference", cpr, app); 2778 } 2779 } 2780 } 2781 2782 final ProcessRecord getProcessRecordLocked(String processName, int uid, boolean keepIfLarge) { 2783 if (uid == Process.SYSTEM_UID) { 2784 // The system gets to run in any process. If there are multiple 2785 // processes with the same uid, just pick the first (this 2786 // should never happen). 2787 SparseArray<ProcessRecord> procs = mProcessNames.getMap().get(processName); 2788 if (procs == null) return null; 2789 final int N = procs.size(); 2790 for (int i = 0; i < N; i++) { 2791 if (UserHandle.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i); 2792 } 2793 } 2794 ProcessRecord proc = mProcessNames.get(processName, uid); 2795 if (false && proc != null && !keepIfLarge 2796 && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY 2797 && proc.lastCachedPss >= 4000) { 2798 // Turn this condition on to cause killing to happen regularly, for testing. 2799 if (proc.baseProcessTracker != null) { 2800 proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss); 2801 } 2802 killUnneededProcessLocked(proc, Long.toString(proc.lastCachedPss) 2803 + "k from cached"); 2804 } else if (proc != null && !keepIfLarge 2805 && mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL 2806 && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { 2807 if (DEBUG_PSS) Slog.d(TAG, "May not keep " + proc + ": pss=" + proc.lastCachedPss); 2808 if (proc.lastCachedPss >= mProcessList.getCachedRestoreThresholdKb()) { 2809 if (proc.baseProcessTracker != null) { 2810 proc.baseProcessTracker.reportCachedKill(proc.pkgList, proc.lastCachedPss); 2811 } 2812 killUnneededProcessLocked(proc, Long.toString(proc.lastCachedPss) 2813 + "k from cached"); 2814 } 2815 } 2816 return proc; 2817 } 2818 2819 void ensurePackageDexOpt(String packageName) { 2820 IPackageManager pm = AppGlobals.getPackageManager(); 2821 try { 2822 if (pm.performDexOptIfNeeded(packageName, null /* instruction set */)) { 2823 mDidDexOpt = true; 2824 } 2825 } catch (RemoteException e) { 2826 } 2827 } 2828 2829 boolean isNextTransitionForward() { 2830 int transit = mWindowManager.getPendingAppTransition(); 2831 return transit == AppTransition.TRANSIT_ACTIVITY_OPEN 2832 || transit == AppTransition.TRANSIT_TASK_OPEN 2833 || transit == AppTransition.TRANSIT_TASK_TO_FRONT; 2834 } 2835 2836 int startIsolatedProcess(String entryPoint, String[] entryPointArgs, 2837 String processName, String abiOverride, int uid, Runnable crashHandler) { 2838 synchronized(this) { 2839 ApplicationInfo info = new ApplicationInfo(); 2840 // In general the ApplicationInfo.uid isn't neccesarily equal to ProcessRecord.uid. 2841 // For isolated processes, the former contains the parent's uid and the latter the 2842 // actual uid of the isolated process. 2843 // In the special case introduced by this method (which is, starting an isolated 2844 // process directly from the SystemServer without an actual parent app process) the 2845 // closest thing to a parent's uid is SYSTEM_UID. 2846 // The only important thing here is to keep AI.uid != PR.uid, in order to trigger 2847 // the |isolated| logic in the ProcessRecord constructor. 2848 info.uid = Process.SYSTEM_UID; 2849 info.processName = processName; 2850 info.className = entryPoint; 2851 info.packageName = "android"; 2852 ProcessRecord proc = startProcessLocked(processName, info /* info */, 2853 false /* knownToBeDead */, 0 /* intentFlags */, "" /* hostingType */, 2854 null /* hostingName */, true /* allowWhileBooting */, true /* isolated */, 2855 uid, true /* keepIfLarge */, abiOverride, entryPoint, entryPointArgs, 2856 crashHandler); 2857 return proc != null ? proc.pid : 0; 2858 } 2859 } 2860 2861 final ProcessRecord startProcessLocked(String processName, 2862 ApplicationInfo info, boolean knownToBeDead, int intentFlags, 2863 String hostingType, ComponentName hostingName, boolean allowWhileBooting, 2864 boolean isolated, boolean keepIfLarge) { 2865 return startProcessLocked(processName, info, knownToBeDead, intentFlags, hostingType, 2866 hostingName, allowWhileBooting, isolated, 0 /* isolatedUid */, keepIfLarge, 2867 null /* ABI override */, null /* entryPoint */, null /* entryPointArgs */, 2868 null /* crashHandler */); 2869 } 2870 2871 final ProcessRecord startProcessLocked(String processName, ApplicationInfo info, 2872 boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName, 2873 boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge, 2874 String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) { 2875 ProcessRecord app; 2876 if (!isolated) { 2877 app = getProcessRecordLocked(processName, info.uid, keepIfLarge); 2878 } else { 2879 // If this is an isolated process, it can't re-use an existing process. 2880 app = null; 2881 } 2882 // We don't have to do anything more if: 2883 // (1) There is an existing application record; and 2884 // (2) The caller doesn't think it is dead, OR there is no thread 2885 // object attached to it so we know it couldn't have crashed; and 2886 // (3) There is a pid assigned to it, so it is either starting or 2887 // already running. 2888 if (DEBUG_PROCESSES) Slog.v(TAG, "startProcess: name=" + processName 2889 + " app=" + app + " knownToBeDead=" + knownToBeDead 2890 + " thread=" + (app != null ? app.thread : null) 2891 + " pid=" + (app != null ? app.pid : -1)); 2892 if (app != null && app.pid > 0) { 2893 if (!knownToBeDead || app.thread == null) { 2894 // We already have the app running, or are waiting for it to 2895 // come up (we have a pid but not yet its thread), so keep it. 2896 if (DEBUG_PROCESSES) Slog.v(TAG, "App already running: " + app); 2897 // If this is a new package in the process, add the package to the list 2898 app.addPackage(info.packageName, info.versionCode, mProcessStats); 2899 return app; 2900 } 2901 2902 // An application record is attached to a previous process, 2903 // clean it up now. 2904 if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, "App died: " + app); 2905 Process.killProcessGroup(app.info.uid, app.pid); 2906 handleAppDiedLocked(app, true, true); 2907 } 2908 2909 String hostingNameStr = hostingName != null 2910 ? hostingName.flattenToShortString() : null; 2911 2912 if (!isolated) { 2913 if ((intentFlags&Intent.FLAG_FROM_BACKGROUND) != 0) { 2914 // If we are in the background, then check to see if this process 2915 // is bad. If so, we will just silently fail. 2916 if (mBadProcesses.get(info.processName, info.uid) != null) { 2917 if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid 2918 + "/" + info.processName); 2919 return null; 2920 } 2921 } else { 2922 // When the user is explicitly starting a process, then clear its 2923 // crash count so that we won't make it bad until they see at 2924 // least one crash dialog again, and make the process good again 2925 // if it had been bad. 2926 if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid 2927 + "/" + info.processName); 2928 mProcessCrashTimes.remove(info.processName, info.uid); 2929 if (mBadProcesses.get(info.processName, info.uid) != null) { 2930 EventLog.writeEvent(EventLogTags.AM_PROC_GOOD, 2931 UserHandle.getUserId(info.uid), info.uid, 2932 info.processName); 2933 mBadProcesses.remove(info.processName, info.uid); 2934 if (app != null) { 2935 app.bad = false; 2936 } 2937 } 2938 } 2939 } 2940 2941 if (app == null) { 2942 app = newProcessRecordLocked(info, processName, isolated, isolatedUid); 2943 app.crashHandler = crashHandler; 2944 if (app == null) { 2945 Slog.w(TAG, "Failed making new process record for " 2946 + processName + "/" + info.uid + " isolated=" + isolated); 2947 return null; 2948 } 2949 mProcessNames.put(processName, app.uid, app); 2950 if (isolated) { 2951 mIsolatedProcesses.put(app.uid, app); 2952 } 2953 } else { 2954 // If this is a new package in the process, add the package to the list 2955 app.addPackage(info.packageName, info.versionCode, mProcessStats); 2956 } 2957 2958 // If the system is not ready yet, then hold off on starting this 2959 // process until it is. 2960 if (!mProcessesReady 2961 && !isAllowedWhileBooting(info) 2962 && !allowWhileBooting) { 2963 if (!mProcessesOnHold.contains(app)) { 2964 mProcessesOnHold.add(app); 2965 } 2966 if (DEBUG_PROCESSES) Slog.v(TAG, "System not ready, putting on hold: " + app); 2967 return app; 2968 } 2969 2970 startProcessLocked( 2971 app, hostingType, hostingNameStr, abiOverride, entryPoint, entryPointArgs); 2972 return (app.pid != 0) ? app : null; 2973 } 2974 2975 boolean isAllowedWhileBooting(ApplicationInfo ai) { 2976 return (ai.flags&ApplicationInfo.FLAG_PERSISTENT) != 0; 2977 } 2978 2979 private final void startProcessLocked(ProcessRecord app, 2980 String hostingType, String hostingNameStr) { 2981 startProcessLocked(app, hostingType, hostingNameStr, null /* abiOverride */, 2982 null /* entryPoint */, null /* entryPointArgs */); 2983 } 2984 2985 private final void startProcessLocked(ProcessRecord app, String hostingType, 2986 String hostingNameStr, String abiOverride, String entryPoint, String[] entryPointArgs) { 2987 if (app.pid > 0 && app.pid != MY_PID) { 2988 synchronized (mPidsSelfLocked) { 2989 mPidsSelfLocked.remove(app.pid); 2990 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 2991 } 2992 app.setPid(0); 2993 } 2994 2995 if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, 2996 "startProcessLocked removing on hold: " + app); 2997 mProcessesOnHold.remove(app); 2998 2999 updateCpuStats(); 3000 3001 try { 3002 int uid = app.uid; 3003 3004 int[] gids = null; 3005 int mountExternal = Zygote.MOUNT_EXTERNAL_NONE; 3006 if (!app.isolated) { 3007 int[] permGids = null; 3008 try { 3009 final PackageManager pm = mContext.getPackageManager(); 3010 permGids = pm.getPackageGids(app.info.packageName); 3011 3012 if (Environment.isExternalStorageEmulated()) { 3013 if (pm.checkPermission( 3014 android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE, 3015 app.info.packageName) == PERMISSION_GRANTED) { 3016 mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER_ALL; 3017 } else { 3018 mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER; 3019 } 3020 } 3021 } catch (PackageManager.NameNotFoundException e) { 3022 Slog.w(TAG, "Unable to retrieve gids", e); 3023 } 3024 3025 /* 3026 * Add shared application and profile GIDs so applications can share some 3027 * resources like shared libraries and access user-wide resources 3028 */ 3029 if (permGids == null) { 3030 gids = new int[2]; 3031 } else { 3032 gids = new int[permGids.length + 2]; 3033 System.arraycopy(permGids, 0, gids, 2, permGids.length); 3034 } 3035 gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid)); 3036 gids[1] = UserHandle.getUserGid(UserHandle.getUserId(uid)); 3037 } 3038 if (mFactoryTest != FactoryTest.FACTORY_TEST_OFF) { 3039 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL 3040 && mTopComponent != null 3041 && app.processName.equals(mTopComponent.getPackageName())) { 3042 uid = 0; 3043 } 3044 if (mFactoryTest == FactoryTest.FACTORY_TEST_HIGH_LEVEL 3045 && (app.info.flags&ApplicationInfo.FLAG_FACTORY_TEST) != 0) { 3046 uid = 0; 3047 } 3048 } 3049 int debugFlags = 0; 3050 if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { 3051 debugFlags |= Zygote.DEBUG_ENABLE_DEBUGGER; 3052 // Also turn on CheckJNI for debuggable apps. It's quite 3053 // awkward to turn on otherwise. 3054 debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; 3055 } 3056 // Run the app in safe mode if its manifest requests so or the 3057 // system is booted in safe mode. 3058 if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 || 3059 mSafeMode == true) { 3060 debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE; 3061 } 3062 if ("1".equals(SystemProperties.get("debug.checkjni"))) { 3063 debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; 3064 } 3065 if ("1".equals(SystemProperties.get("debug.jni.logging"))) { 3066 debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING; 3067 } 3068 if ("1".equals(SystemProperties.get("debug.assert"))) { 3069 debugFlags |= Zygote.DEBUG_ENABLE_ASSERT; 3070 } 3071 3072 String requiredAbi = (abiOverride != null) ? abiOverride : app.info.primaryCpuAbi; 3073 if (requiredAbi == null) { 3074 requiredAbi = Build.SUPPORTED_ABIS[0]; 3075 } 3076 3077 // Start the process. It will either succeed and return a result containing 3078 // the PID of the new process, or else throw a RuntimeException. 3079 boolean isActivityProcess = (entryPoint == null); 3080 if (entryPoint == null) entryPoint = "android.app.ActivityThread"; 3081 Process.ProcessStartResult startResult = Process.start(entryPoint, 3082 app.processName, uid, uid, gids, debugFlags, mountExternal, 3083 app.info.targetSdkVersion, app.info.seinfo, requiredAbi, entryPointArgs); 3084 3085 if (app.isolated) { 3086 mBatteryStatsService.addIsolatedUid(app.uid, app.info.uid); 3087 } 3088 mBatteryStatsService.noteProcessStart(app.processName, app.info.uid); 3089 3090 EventLog.writeEvent(EventLogTags.AM_PROC_START, 3091 UserHandle.getUserId(uid), startResult.pid, uid, 3092 app.processName, hostingType, 3093 hostingNameStr != null ? hostingNameStr : ""); 3094 3095 if (app.persistent) { 3096 Watchdog.getInstance().processStarted(app.processName, startResult.pid); 3097 } 3098 3099 StringBuilder buf = mStringBuilder; 3100 buf.setLength(0); 3101 buf.append("Start proc "); 3102 buf.append(app.processName); 3103 if (!isActivityProcess) { 3104 buf.append(" ["); 3105 buf.append(entryPoint); 3106 buf.append("]"); 3107 } 3108 buf.append(" for "); 3109 buf.append(hostingType); 3110 if (hostingNameStr != null) { 3111 buf.append(" "); 3112 buf.append(hostingNameStr); 3113 } 3114 buf.append(": pid="); 3115 buf.append(startResult.pid); 3116 buf.append(" uid="); 3117 buf.append(uid); 3118 buf.append(" gids={"); 3119 if (gids != null) { 3120 for (int gi=0; gi<gids.length; gi++) { 3121 if (gi != 0) buf.append(", "); 3122 buf.append(gids[gi]); 3123 3124 } 3125 } 3126 buf.append("}"); 3127 if (requiredAbi != null) { 3128 buf.append(" abi="); 3129 buf.append(requiredAbi); 3130 } 3131 Slog.i(TAG, buf.toString()); 3132 app.setPid(startResult.pid); 3133 app.usingWrapper = startResult.usingWrapper; 3134 app.removed = false; 3135 app.killedByAm = false; 3136 synchronized (mPidsSelfLocked) { 3137 this.mPidsSelfLocked.put(startResult.pid, app); 3138 if (isActivityProcess) { 3139 Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); 3140 msg.obj = app; 3141 mHandler.sendMessageDelayed(msg, startResult.usingWrapper 3142 ? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT); 3143 } 3144 } 3145 } catch (RuntimeException e) { 3146 // XXX do better error recovery. 3147 app.setPid(0); 3148 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 3149 if (app.isolated) { 3150 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 3151 } 3152 Slog.e(TAG, "Failure starting process " + app.processName, e); 3153 } 3154 } 3155 3156 void updateUsageStats(ActivityRecord component, boolean resumed) { 3157 if (DEBUG_SWITCH) Slog.d(TAG, "updateUsageStats: comp=" + component + "res=" + resumed); 3158 final BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 3159 if (resumed) { 3160 if (mUsageStatsService != null) { 3161 mUsageStatsService.reportEvent(component.realActivity, component.userId, 3162 System.currentTimeMillis(), 3163 UsageStats.Event.MOVE_TO_FOREGROUND); 3164 } 3165 synchronized (stats) { 3166 stats.noteActivityResumedLocked(component.app.uid); 3167 } 3168 } else { 3169 if (mUsageStatsService != null) { 3170 mUsageStatsService.reportEvent(component.realActivity, component.userId, 3171 System.currentTimeMillis(), 3172 UsageStats.Event.MOVE_TO_BACKGROUND); 3173 } 3174 synchronized (stats) { 3175 stats.noteActivityPausedLocked(component.app.uid); 3176 } 3177 } 3178 } 3179 3180 Intent getHomeIntent() { 3181 Intent intent = new Intent(mTopAction, mTopData != null ? Uri.parse(mTopData) : null); 3182 intent.setComponent(mTopComponent); 3183 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 3184 intent.addCategory(Intent.CATEGORY_HOME); 3185 } 3186 return intent; 3187 } 3188 3189 boolean startHomeActivityLocked(int userId) { 3190 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL 3191 && mTopAction == null) { 3192 // We are running in factory test mode, but unable to find 3193 // the factory test app, so just sit around displaying the 3194 // error message and don't try to start anything. 3195 return false; 3196 } 3197 Intent intent = getHomeIntent(); 3198 ActivityInfo aInfo = 3199 resolveActivityInfo(intent, STOCK_PM_FLAGS, userId); 3200 if (aInfo != null) { 3201 intent.setComponent(new ComponentName( 3202 aInfo.applicationInfo.packageName, aInfo.name)); 3203 // Don't do this if the home app is currently being 3204 // instrumented. 3205 aInfo = new ActivityInfo(aInfo); 3206 aInfo.applicationInfo = getAppInfoForUser(aInfo.applicationInfo, userId); 3207 ProcessRecord app = getProcessRecordLocked(aInfo.processName, 3208 aInfo.applicationInfo.uid, true); 3209 if (app == null || app.instrumentationClass == null) { 3210 intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK); 3211 mStackSupervisor.startHomeActivity(intent, aInfo); 3212 } 3213 } 3214 3215 return true; 3216 } 3217 3218 private ActivityInfo resolveActivityInfo(Intent intent, int flags, int userId) { 3219 ActivityInfo ai = null; 3220 ComponentName comp = intent.getComponent(); 3221 try { 3222 if (comp != null) { 3223 ai = AppGlobals.getPackageManager().getActivityInfo(comp, flags, userId); 3224 } else { 3225 ResolveInfo info = AppGlobals.getPackageManager().resolveIntent( 3226 intent, 3227 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 3228 flags, userId); 3229 3230 if (info != null) { 3231 ai = info.activityInfo; 3232 } 3233 } 3234 } catch (RemoteException e) { 3235 // ignore 3236 } 3237 3238 return ai; 3239 } 3240 3241 /** 3242 * Starts the "new version setup screen" if appropriate. 3243 */ 3244 void startSetupActivityLocked() { 3245 // Only do this once per boot. 3246 if (mCheckedForSetup) { 3247 return; 3248 } 3249 3250 // We will show this screen if the current one is a different 3251 // version than the last one shown, and we are not running in 3252 // low-level factory test mode. 3253 final ContentResolver resolver = mContext.getContentResolver(); 3254 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL && 3255 Settings.Global.getInt(resolver, 3256 Settings.Global.DEVICE_PROVISIONED, 0) != 0) { 3257 mCheckedForSetup = true; 3258 3259 // See if we should be showing the platform update setup UI. 3260 Intent intent = new Intent(Intent.ACTION_UPGRADE_SETUP); 3261 List<ResolveInfo> ris = mContext.getPackageManager() 3262 .queryIntentActivities(intent, PackageManager.GET_META_DATA); 3263 3264 // We don't allow third party apps to replace this. 3265 ResolveInfo ri = null; 3266 for (int i=0; ris != null && i<ris.size(); i++) { 3267 if ((ris.get(i).activityInfo.applicationInfo.flags 3268 & ApplicationInfo.FLAG_SYSTEM) != 0) { 3269 ri = ris.get(i); 3270 break; 3271 } 3272 } 3273 3274 if (ri != null) { 3275 String vers = ri.activityInfo.metaData != null 3276 ? ri.activityInfo.metaData.getString(Intent.METADATA_SETUP_VERSION) 3277 : null; 3278 if (vers == null && ri.activityInfo.applicationInfo.metaData != null) { 3279 vers = ri.activityInfo.applicationInfo.metaData.getString( 3280 Intent.METADATA_SETUP_VERSION); 3281 } 3282 String lastVers = Settings.Secure.getString( 3283 resolver, Settings.Secure.LAST_SETUP_SHOWN); 3284 if (vers != null && !vers.equals(lastVers)) { 3285 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 3286 intent.setComponent(new ComponentName( 3287 ri.activityInfo.packageName, ri.activityInfo.name)); 3288 mStackSupervisor.startActivityLocked(null, intent, null, ri.activityInfo, 3289 null, null, null, null, 0, 0, 0, null, 0, null, false, null, null); 3290 } 3291 } 3292 } 3293 } 3294 3295 CompatibilityInfo compatibilityInfoForPackageLocked(ApplicationInfo ai) { 3296 return mCompatModePackages.compatibilityInfoForPackageLocked(ai); 3297 } 3298 3299 void enforceNotIsolatedCaller(String caller) { 3300 if (UserHandle.isIsolated(Binder.getCallingUid())) { 3301 throw new SecurityException("Isolated process not allowed to call " + caller); 3302 } 3303 } 3304 3305 @Override 3306 public int getFrontActivityScreenCompatMode() { 3307 enforceNotIsolatedCaller("getFrontActivityScreenCompatMode"); 3308 synchronized (this) { 3309 return mCompatModePackages.getFrontActivityScreenCompatModeLocked(); 3310 } 3311 } 3312 3313 @Override 3314 public void setFrontActivityScreenCompatMode(int mode) { 3315 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3316 "setFrontActivityScreenCompatMode"); 3317 synchronized (this) { 3318 mCompatModePackages.setFrontActivityScreenCompatModeLocked(mode); 3319 } 3320 } 3321 3322 @Override 3323 public int getPackageScreenCompatMode(String packageName) { 3324 enforceNotIsolatedCaller("getPackageScreenCompatMode"); 3325 synchronized (this) { 3326 return mCompatModePackages.getPackageScreenCompatModeLocked(packageName); 3327 } 3328 } 3329 3330 @Override 3331 public void setPackageScreenCompatMode(String packageName, int mode) { 3332 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3333 "setPackageScreenCompatMode"); 3334 synchronized (this) { 3335 mCompatModePackages.setPackageScreenCompatModeLocked(packageName, mode); 3336 } 3337 } 3338 3339 @Override 3340 public boolean getPackageAskScreenCompat(String packageName) { 3341 enforceNotIsolatedCaller("getPackageAskScreenCompat"); 3342 synchronized (this) { 3343 return mCompatModePackages.getPackageAskCompatModeLocked(packageName); 3344 } 3345 } 3346 3347 @Override 3348 public void setPackageAskScreenCompat(String packageName, boolean ask) { 3349 enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, 3350 "setPackageAskScreenCompat"); 3351 synchronized (this) { 3352 mCompatModePackages.setPackageAskCompatModeLocked(packageName, ask); 3353 } 3354 } 3355 3356 private void dispatchProcessesChanged() { 3357 int N; 3358 synchronized (this) { 3359 N = mPendingProcessChanges.size(); 3360 if (mActiveProcessChanges.length < N) { 3361 mActiveProcessChanges = new ProcessChangeItem[N]; 3362 } 3363 mPendingProcessChanges.toArray(mActiveProcessChanges); 3364 mAvailProcessChanges.addAll(mPendingProcessChanges); 3365 mPendingProcessChanges.clear(); 3366 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "*** Delivering " + N + " process changes"); 3367 } 3368 3369 int i = mProcessObservers.beginBroadcast(); 3370 while (i > 0) { 3371 i--; 3372 final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); 3373 if (observer != null) { 3374 try { 3375 for (int j=0; j<N; j++) { 3376 ProcessChangeItem item = mActiveProcessChanges[j]; 3377 if ((item.changes&ProcessChangeItem.CHANGE_ACTIVITIES) != 0) { 3378 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "ACTIVITIES CHANGED pid=" 3379 + item.pid + " uid=" + item.uid + ": " 3380 + item.foregroundActivities); 3381 observer.onForegroundActivitiesChanged(item.pid, item.uid, 3382 item.foregroundActivities); 3383 } 3384 if ((item.changes&ProcessChangeItem.CHANGE_PROCESS_STATE) != 0) { 3385 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "PROCSTATE CHANGED pid=" 3386 + item.pid + " uid=" + item.uid + ": " + item.processState); 3387 observer.onProcessStateChanged(item.pid, item.uid, item.processState); 3388 } 3389 } 3390 } catch (RemoteException e) { 3391 } 3392 } 3393 } 3394 mProcessObservers.finishBroadcast(); 3395 } 3396 3397 private void dispatchProcessDied(int pid, int uid) { 3398 int i = mProcessObservers.beginBroadcast(); 3399 while (i > 0) { 3400 i--; 3401 final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); 3402 if (observer != null) { 3403 try { 3404 observer.onProcessDied(pid, uid); 3405 } catch (RemoteException e) { 3406 } 3407 } 3408 } 3409 mProcessObservers.finishBroadcast(); 3410 } 3411 3412 @Override 3413 public final int startActivity(IApplicationThread caller, String callingPackage, 3414 Intent intent, String resolvedType, IBinder resultTo, 3415 String resultWho, int requestCode, int startFlags, 3416 String profileFile, ParcelFileDescriptor profileFd, Bundle options) { 3417 return startActivityAsUser(caller, callingPackage, intent, resolvedType, resultTo, 3418 resultWho, requestCode, 3419 startFlags, profileFile, profileFd, options, UserHandle.getCallingUserId()); 3420 } 3421 3422 @Override 3423 public final int startActivityAsUser(IApplicationThread caller, String callingPackage, 3424 Intent intent, String resolvedType, IBinder resultTo, 3425 String resultWho, int requestCode, int startFlags, 3426 String profileFile, ParcelFileDescriptor profileFd, Bundle options, int userId) { 3427 enforceNotIsolatedCaller("startActivity"); 3428 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3429 false, ALLOW_FULL_ONLY, "startActivity", null); 3430 // TODO: Switch to user app stacks here. 3431 return mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType, 3432 null, null, resultTo, resultWho, requestCode, startFlags, profileFile, profileFd, 3433 null, null, options, userId, null); 3434 } 3435 3436 @Override 3437 public final WaitResult startActivityAndWait(IApplicationThread caller, String callingPackage, 3438 Intent intent, String resolvedType, IBinder resultTo, 3439 String resultWho, int requestCode, int startFlags, String profileFile, 3440 ParcelFileDescriptor profileFd, Bundle options, int userId) { 3441 enforceNotIsolatedCaller("startActivityAndWait"); 3442 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3443 false, ALLOW_FULL_ONLY, "startActivityAndWait", null); 3444 WaitResult res = new WaitResult(); 3445 // TODO: Switch to user app stacks here. 3446 mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType, 3447 null, null, resultTo, resultWho, requestCode, startFlags, profileFile, profileFd, 3448 res, null, options, userId, null); 3449 return res; 3450 } 3451 3452 @Override 3453 public final int startActivityWithConfig(IApplicationThread caller, String callingPackage, 3454 Intent intent, String resolvedType, IBinder resultTo, 3455 String resultWho, int requestCode, int startFlags, Configuration config, 3456 Bundle options, int userId) { 3457 enforceNotIsolatedCaller("startActivityWithConfig"); 3458 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3459 false, ALLOW_FULL_ONLY, "startActivityWithConfig", null); 3460 // TODO: Switch to user app stacks here. 3461 int ret = mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, 3462 resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, 3463 null, null, null, config, options, userId, null); 3464 return ret; 3465 } 3466 3467 @Override 3468 public int startActivityIntentSender(IApplicationThread caller, 3469 IntentSender intent, Intent fillInIntent, String resolvedType, 3470 IBinder resultTo, String resultWho, int requestCode, 3471 int flagsMask, int flagsValues, Bundle options) { 3472 enforceNotIsolatedCaller("startActivityIntentSender"); 3473 // Refuse possible leaked file descriptors 3474 if (fillInIntent != null && fillInIntent.hasFileDescriptors()) { 3475 throw new IllegalArgumentException("File descriptors passed in Intent"); 3476 } 3477 3478 IIntentSender sender = intent.getTarget(); 3479 if (!(sender instanceof PendingIntentRecord)) { 3480 throw new IllegalArgumentException("Bad PendingIntent object"); 3481 } 3482 3483 PendingIntentRecord pir = (PendingIntentRecord)sender; 3484 3485 synchronized (this) { 3486 // If this is coming from the currently resumed activity, it is 3487 // effectively saying that app switches are allowed at this point. 3488 final ActivityStack stack = getFocusedStack(); 3489 if (stack.mResumedActivity != null && 3490 stack.mResumedActivity.info.applicationInfo.uid == Binder.getCallingUid()) { 3491 mAppSwitchesAllowedTime = 0; 3492 } 3493 } 3494 int ret = pir.sendInner(0, fillInIntent, resolvedType, null, null, 3495 resultTo, resultWho, requestCode, flagsMask, flagsValues, options, null); 3496 return ret; 3497 } 3498 3499 @Override 3500 public int startVoiceActivity(String callingPackage, int callingPid, int callingUid, 3501 Intent intent, String resolvedType, IVoiceInteractionSession session, 3502 IVoiceInteractor interactor, int startFlags, String profileFile, 3503 ParcelFileDescriptor profileFd, Bundle options, int userId) { 3504 if (checkCallingPermission(Manifest.permission.BIND_VOICE_INTERACTION) 3505 != PackageManager.PERMISSION_GRANTED) { 3506 String msg = "Permission Denial: startVoiceActivity() from pid=" 3507 + Binder.getCallingPid() 3508 + ", uid=" + Binder.getCallingUid() 3509 + " requires " + android.Manifest.permission.BIND_VOICE_INTERACTION; 3510 Slog.w(TAG, msg); 3511 throw new SecurityException(msg); 3512 } 3513 if (session == null || interactor == null) { 3514 throw new NullPointerException("null session or interactor"); 3515 } 3516 userId = handleIncomingUser(callingPid, callingUid, userId, 3517 false, ALLOW_FULL_ONLY, "startVoiceActivity", null); 3518 // TODO: Switch to user app stacks here. 3519 return mStackSupervisor.startActivityMayWait(null, callingUid, callingPackage, intent, 3520 resolvedType, session, interactor, null, null, 0, startFlags, 3521 profileFile, profileFd, null, null, options, userId, null); 3522 } 3523 3524 @Override 3525 public boolean startNextMatchingActivity(IBinder callingActivity, 3526 Intent intent, Bundle options) { 3527 // Refuse possible leaked file descriptors 3528 if (intent != null && intent.hasFileDescriptors() == true) { 3529 throw new IllegalArgumentException("File descriptors passed in Intent"); 3530 } 3531 3532 synchronized (this) { 3533 final ActivityRecord r = ActivityRecord.isInStackLocked(callingActivity); 3534 if (r == null) { 3535 ActivityOptions.abort(options); 3536 return false; 3537 } 3538 if (r.app == null || r.app.thread == null) { 3539 // The caller is not running... d'oh! 3540 ActivityOptions.abort(options); 3541 return false; 3542 } 3543 intent = new Intent(intent); 3544 // The caller is not allowed to change the data. 3545 intent.setDataAndType(r.intent.getData(), r.intent.getType()); 3546 // And we are resetting to find the next component... 3547 intent.setComponent(null); 3548 3549 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3550 3551 ActivityInfo aInfo = null; 3552 try { 3553 List<ResolveInfo> resolves = 3554 AppGlobals.getPackageManager().queryIntentActivities( 3555 intent, r.resolvedType, 3556 PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS, 3557 UserHandle.getCallingUserId()); 3558 3559 // Look for the original activity in the list... 3560 final int N = resolves != null ? resolves.size() : 0; 3561 for (int i=0; i<N; i++) { 3562 ResolveInfo rInfo = resolves.get(i); 3563 if (rInfo.activityInfo.packageName.equals(r.packageName) 3564 && rInfo.activityInfo.name.equals(r.info.name)) { 3565 // We found the current one... the next matching is 3566 // after it. 3567 i++; 3568 if (i<N) { 3569 aInfo = resolves.get(i).activityInfo; 3570 } 3571 if (debug) { 3572 Slog.v(TAG, "Next matching activity: found current " + r.packageName 3573 + "/" + r.info.name); 3574 Slog.v(TAG, "Next matching activity: next is " + aInfo.packageName 3575 + "/" + aInfo.name); 3576 } 3577 break; 3578 } 3579 } 3580 } catch (RemoteException e) { 3581 } 3582 3583 if (aInfo == null) { 3584 // Nobody who is next! 3585 ActivityOptions.abort(options); 3586 if (debug) Slog.d(TAG, "Next matching activity: nothing found"); 3587 return false; 3588 } 3589 3590 intent.setComponent(new ComponentName( 3591 aInfo.applicationInfo.packageName, aInfo.name)); 3592 intent.setFlags(intent.getFlags()&~( 3593 Intent.FLAG_ACTIVITY_FORWARD_RESULT| 3594 Intent.FLAG_ACTIVITY_CLEAR_TOP| 3595 Intent.FLAG_ACTIVITY_MULTIPLE_TASK| 3596 Intent.FLAG_ACTIVITY_NEW_TASK)); 3597 3598 // Okay now we need to start the new activity, replacing the 3599 // currently running activity. This is a little tricky because 3600 // we want to start the new one as if the current one is finished, 3601 // but not finish the current one first so that there is no flicker. 3602 // And thus... 3603 final boolean wasFinishing = r.finishing; 3604 r.finishing = true; 3605 3606 // Propagate reply information over to the new activity. 3607 final ActivityRecord resultTo = r.resultTo; 3608 final String resultWho = r.resultWho; 3609 final int requestCode = r.requestCode; 3610 r.resultTo = null; 3611 if (resultTo != null) { 3612 resultTo.removeResultsLocked(r, resultWho, requestCode); 3613 } 3614 3615 final long origId = Binder.clearCallingIdentity(); 3616 int res = mStackSupervisor.startActivityLocked(r.app.thread, intent, 3617 r.resolvedType, aInfo, null, null, resultTo != null ? resultTo.appToken : null, 3618 resultWho, requestCode, -1, r.launchedFromUid, r.launchedFromPackage, 0, 3619 options, false, null, null); 3620 Binder.restoreCallingIdentity(origId); 3621 3622 r.finishing = wasFinishing; 3623 if (res != ActivityManager.START_SUCCESS) { 3624 return false; 3625 } 3626 return true; 3627 } 3628 } 3629 3630 @Override 3631 public final int startActivityFromRecents(int taskId, Bundle options) { 3632 if (checkCallingPermission(START_TASKS_FROM_RECENTS) != PackageManager.PERMISSION_GRANTED) { 3633 String msg = "Permission Denial: startActivityFromRecents called without " + 3634 START_TASKS_FROM_RECENTS; 3635 Slog.w(TAG, msg); 3636 throw new SecurityException(msg); 3637 } 3638 final int callingUid; 3639 final String callingPackage; 3640 final Intent intent; 3641 final int userId; 3642 synchronized (this) { 3643 final TaskRecord task = recentTaskForIdLocked(taskId); 3644 if (task == null) { 3645 throw new ActivityNotFoundException("Task " + taskId + " not found."); 3646 } 3647 callingUid = task.mCallingUid; 3648 callingPackage = task.mCallingPackage; 3649 intent = task.intent; 3650 userId = task.userId; 3651 } 3652 return startActivityInPackage(callingUid, callingPackage, intent, null, null, null, 0, 0, 3653 options, userId, null); 3654 } 3655 3656 final int startActivityInPackage(int uid, String callingPackage, 3657 Intent intent, String resolvedType, IBinder resultTo, 3658 String resultWho, int requestCode, int startFlags, Bundle options, int userId, 3659 IActivityContainer container) { 3660 3661 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3662 false, ALLOW_FULL_ONLY, "startActivityInPackage", null); 3663 3664 // TODO: Switch to user app stacks here. 3665 int ret = mStackSupervisor.startActivityMayWait(null, uid, callingPackage, intent, resolvedType, 3666 null, null, resultTo, resultWho, requestCode, startFlags, 3667 null, null, null, null, options, userId, container); 3668 return ret; 3669 } 3670 3671 @Override 3672 public final int startActivities(IApplicationThread caller, String callingPackage, 3673 Intent[] intents, String[] resolvedTypes, IBinder resultTo, Bundle options, 3674 int userId) { 3675 enforceNotIsolatedCaller("startActivities"); 3676 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3677 false, ALLOW_FULL_ONLY, "startActivity", null); 3678 // TODO: Switch to user app stacks here. 3679 int ret = mStackSupervisor.startActivities(caller, -1, callingPackage, intents, 3680 resolvedTypes, resultTo, options, userId); 3681 return ret; 3682 } 3683 3684 final int startActivitiesInPackage(int uid, String callingPackage, 3685 Intent[] intents, String[] resolvedTypes, IBinder resultTo, 3686 Bundle options, int userId) { 3687 3688 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 3689 false, ALLOW_FULL_ONLY, "startActivityInPackage", null); 3690 // TODO: Switch to user app stacks here. 3691 int ret = mStackSupervisor.startActivities(null, uid, callingPackage, intents, resolvedTypes, 3692 resultTo, options, userId); 3693 return ret; 3694 } 3695 3696 //explicitly remove thd old information in mRecentTasks when removing existing user. 3697 private void removeRecentTasksForUserLocked(int userId) { 3698 if(userId <= 0) { 3699 Slog.i(TAG, "Can't remove recent task on user " + userId); 3700 return; 3701 } 3702 3703 for (int i = mRecentTasks.size() - 1; i >= 0; --i) { 3704 TaskRecord tr = mRecentTasks.get(i); 3705 if (tr.userId == userId) { 3706 if(DEBUG_TASKS) Slog.i(TAG, "remove RecentTask " + tr 3707 + " when finishing user" + userId); 3708 tr.disposeThumbnail(); 3709 mRecentTasks.remove(i); 3710 } 3711 } 3712 3713 // Remove tasks from persistent storage. 3714 mTaskPersister.wakeup(null, true); 3715 } 3716 3717 final void addRecentTaskLocked(TaskRecord task) { 3718 int N = mRecentTasks.size(); 3719 // Quick case: check if the top-most recent task is the same. 3720 if (N > 0 && mRecentTasks.get(0) == task) { 3721 return; 3722 } 3723 // Another quick case: never add voice sessions. 3724 if (task.voiceSession != null) { 3725 return; 3726 } 3727 // Remove any existing entries that are the same kind of task. 3728 final Intent intent = task.intent; 3729 final boolean document = intent != null && intent.isDocument(); 3730 final ComponentName comp = intent.getComponent(); 3731 3732 int maxRecents = task.maxRecents - 1; 3733 for (int i=0; i<N; i++) { 3734 final TaskRecord tr = mRecentTasks.get(i); 3735 if (task != tr) { 3736 if (task.userId != tr.userId) { 3737 continue; 3738 } 3739 if (i > MAX_RECENT_BITMAPS) { 3740 tr.freeLastThumbnail(); 3741 } 3742 final Intent trIntent = tr.intent; 3743 if ((task.affinity == null || !task.affinity.equals(tr.affinity)) && 3744 (intent == null || !intent.filterEquals(trIntent))) { 3745 continue; 3746 } 3747 final boolean trIsDocument = trIntent != null && trIntent.isDocument(); 3748 if (document && trIsDocument) { 3749 // These are the same document activity (not necessarily the same doc). 3750 if (maxRecents > 0) { 3751 --maxRecents; 3752 continue; 3753 } 3754 // Hit the maximum number of documents for this task. Fall through 3755 // and remove this document from recents. 3756 } else if (document || trIsDocument) { 3757 // Only one of these is a document. Not the droid we're looking for. 3758 continue; 3759 } 3760 } 3761 3762 // Either task and tr are the same or, their affinities match or their intents match 3763 // and neither of them is a document, or they are documents using the same activity 3764 // and their maxRecents has been reached. 3765 tr.disposeThumbnail(); 3766 mRecentTasks.remove(i); 3767 if (task != tr) { 3768 tr.closeRecentsChain(); 3769 } 3770 i--; 3771 N--; 3772 if (task.intent == null) { 3773 // If the new recent task we are adding is not fully 3774 // specified, then replace it with the existing recent task. 3775 task = tr; 3776 } 3777 notifyTaskPersisterLocked(tr, false); 3778 } 3779 if (N >= MAX_RECENT_TASKS) { 3780 final TaskRecord tr = mRecentTasks.remove(N - 1); 3781 tr.disposeThumbnail(); 3782 tr.closeRecentsChain(); 3783 } 3784 mRecentTasks.add(0, task); 3785 } 3786 3787 @Override 3788 public void reportActivityFullyDrawn(IBinder token) { 3789 synchronized (this) { 3790 ActivityRecord r = ActivityRecord.isInStackLocked(token); 3791 if (r == null) { 3792 return; 3793 } 3794 r.reportFullyDrawnLocked(); 3795 } 3796 } 3797 3798 @Override 3799 public void setRequestedOrientation(IBinder token, int requestedOrientation) { 3800 synchronized (this) { 3801 ActivityRecord r = ActivityRecord.isInStackLocked(token); 3802 if (r == null) { 3803 return; 3804 } 3805 final long origId = Binder.clearCallingIdentity(); 3806 mWindowManager.setAppOrientation(r.appToken, requestedOrientation); 3807 Configuration config = mWindowManager.updateOrientationFromAppTokens( 3808 mConfiguration, r.mayFreezeScreenLocked(r.app) ? r.appToken : null); 3809 if (config != null) { 3810 r.frozenBeforeDestroy = true; 3811 if (!updateConfigurationLocked(config, r, false, false)) { 3812 mStackSupervisor.resumeTopActivitiesLocked(); 3813 } 3814 } 3815 Binder.restoreCallingIdentity(origId); 3816 } 3817 } 3818 3819 @Override 3820 public int getRequestedOrientation(IBinder token) { 3821 synchronized (this) { 3822 ActivityRecord r = ActivityRecord.isInStackLocked(token); 3823 if (r == null) { 3824 return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 3825 } 3826 return mWindowManager.getAppOrientation(r.appToken); 3827 } 3828 } 3829 3830 /** 3831 * This is the internal entry point for handling Activity.finish(). 3832 * 3833 * @param token The Binder token referencing the Activity we want to finish. 3834 * @param resultCode Result code, if any, from this Activity. 3835 * @param resultData Result data (Intent), if any, from this Activity. 3836 * @param finishTask Whether to finish the task associated with this Activity. Only applies to 3837 * the root Activity in the task. 3838 * 3839 * @return Returns true if the activity successfully finished, or false if it is still running. 3840 */ 3841 @Override 3842 public final boolean finishActivity(IBinder token, int resultCode, Intent resultData, 3843 boolean finishTask) { 3844 // Refuse possible leaked file descriptors 3845 if (resultData != null && resultData.hasFileDescriptors() == true) { 3846 throw new IllegalArgumentException("File descriptors passed in Intent"); 3847 } 3848 3849 synchronized(this) { 3850 ActivityRecord r = ActivityRecord.isInStackLocked(token); 3851 if (r == null) { 3852 return true; 3853 } 3854 // Keep track of the root activity of the task before we finish it 3855 TaskRecord tr = r.task; 3856 ActivityRecord rootR = tr.getRootActivity(); 3857 // Do not allow task to finish in Lock Task mode. 3858 if (tr == mStackSupervisor.mLockTaskModeTask) { 3859 if (rootR == r) { 3860 mStackSupervisor.showLockTaskToast(); 3861 return false; 3862 } 3863 } 3864 if (mController != null) { 3865 // Find the first activity that is not finishing. 3866 ActivityRecord next = r.task.stack.topRunningActivityLocked(token, 0); 3867 if (next != null) { 3868 // ask watcher if this is allowed 3869 boolean resumeOK = true; 3870 try { 3871 resumeOK = mController.activityResuming(next.packageName); 3872 } catch (RemoteException e) { 3873 mController = null; 3874 Watchdog.getInstance().setActivityController(null); 3875 } 3876 3877 if (!resumeOK) { 3878 return false; 3879 } 3880 } 3881 } 3882 final long origId = Binder.clearCallingIdentity(); 3883 try { 3884 boolean res; 3885 if (finishTask && r == rootR) { 3886 // If requested, remove the task that is associated to this activity only if it 3887 // was the root activity in the task. The result code and data is ignored because 3888 // we don't support returning them across task boundaries. 3889 res = removeTaskByIdLocked(tr.taskId, 0); 3890 } else { 3891 res = tr.stack.requestFinishActivityLocked(token, resultCode, 3892 resultData, "app-request", true); 3893 } 3894 return res; 3895 } finally { 3896 Binder.restoreCallingIdentity(origId); 3897 } 3898 } 3899 } 3900 3901 @Override 3902 public final void finishHeavyWeightApp() { 3903 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 3904 != PackageManager.PERMISSION_GRANTED) { 3905 String msg = "Permission Denial: finishHeavyWeightApp() from pid=" 3906 + Binder.getCallingPid() 3907 + ", uid=" + Binder.getCallingUid() 3908 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 3909 Slog.w(TAG, msg); 3910 throw new SecurityException(msg); 3911 } 3912 3913 synchronized(this) { 3914 if (mHeavyWeightProcess == null) { 3915 return; 3916 } 3917 3918 ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>( 3919 mHeavyWeightProcess.activities); 3920 for (int i=0; i<activities.size(); i++) { 3921 ActivityRecord r = activities.get(i); 3922 if (!r.finishing) { 3923 r.task.stack.finishActivityLocked(r, Activity.RESULT_CANCELED, 3924 null, "finish-heavy", true); 3925 } 3926 } 3927 3928 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 3929 mHeavyWeightProcess.userId, 0)); 3930 mHeavyWeightProcess = null; 3931 } 3932 } 3933 3934 @Override 3935 public void crashApplication(int uid, int initialPid, String packageName, 3936 String message) { 3937 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 3938 != PackageManager.PERMISSION_GRANTED) { 3939 String msg = "Permission Denial: crashApplication() from pid=" 3940 + Binder.getCallingPid() 3941 + ", uid=" + Binder.getCallingUid() 3942 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 3943 Slog.w(TAG, msg); 3944 throw new SecurityException(msg); 3945 } 3946 3947 synchronized(this) { 3948 ProcessRecord proc = null; 3949 3950 // Figure out which process to kill. We don't trust that initialPid 3951 // still has any relation to current pids, so must scan through the 3952 // list. 3953 synchronized (mPidsSelfLocked) { 3954 for (int i=0; i<mPidsSelfLocked.size(); i++) { 3955 ProcessRecord p = mPidsSelfLocked.valueAt(i); 3956 if (p.uid != uid) { 3957 continue; 3958 } 3959 if (p.pid == initialPid) { 3960 proc = p; 3961 break; 3962 } 3963 if (p.pkgList.containsKey(packageName)) { 3964 proc = p; 3965 } 3966 } 3967 } 3968 3969 if (proc == null) { 3970 Slog.w(TAG, "crashApplication: nothing for uid=" + uid 3971 + " initialPid=" + initialPid 3972 + " packageName=" + packageName); 3973 return; 3974 } 3975 3976 if (proc.thread != null) { 3977 if (proc.pid == Process.myPid()) { 3978 Log.w(TAG, "crashApplication: trying to crash self!"); 3979 return; 3980 } 3981 long ident = Binder.clearCallingIdentity(); 3982 try { 3983 proc.thread.scheduleCrash(message); 3984 } catch (RemoteException e) { 3985 } 3986 Binder.restoreCallingIdentity(ident); 3987 } 3988 } 3989 } 3990 3991 @Override 3992 public final void finishSubActivity(IBinder token, String resultWho, 3993 int requestCode) { 3994 synchronized(this) { 3995 final long origId = Binder.clearCallingIdentity(); 3996 ActivityRecord r = ActivityRecord.isInStackLocked(token); 3997 if (r != null) { 3998 r.task.stack.finishSubActivityLocked(r, resultWho, requestCode); 3999 } 4000 Binder.restoreCallingIdentity(origId); 4001 } 4002 } 4003 4004 @Override 4005 public boolean finishActivityAffinity(IBinder token) { 4006 synchronized(this) { 4007 final long origId = Binder.clearCallingIdentity(); 4008 try { 4009 ActivityRecord r = ActivityRecord.isInStackLocked(token); 4010 4011 ActivityRecord rootR = r.task.getRootActivity(); 4012 // Do not allow task to finish in Lock Task mode. 4013 if (r.task == mStackSupervisor.mLockTaskModeTask) { 4014 if (rootR == r) { 4015 mStackSupervisor.showLockTaskToast(); 4016 return false; 4017 } 4018 } 4019 boolean res = false; 4020 if (r != null) { 4021 res = r.task.stack.finishActivityAffinityLocked(r); 4022 } 4023 return res; 4024 } finally { 4025 Binder.restoreCallingIdentity(origId); 4026 } 4027 } 4028 } 4029 4030 @Override 4031 public void finishVoiceTask(IVoiceInteractionSession session) { 4032 synchronized(this) { 4033 final long origId = Binder.clearCallingIdentity(); 4034 try { 4035 mStackSupervisor.finishVoiceTask(session); 4036 } finally { 4037 Binder.restoreCallingIdentity(origId); 4038 } 4039 } 4040 4041 } 4042 4043 @Override 4044 public boolean willActivityBeVisible(IBinder token) { 4045 synchronized(this) { 4046 ActivityStack stack = ActivityRecord.getStackLocked(token); 4047 if (stack != null) { 4048 return stack.willActivityBeVisibleLocked(token); 4049 } 4050 return false; 4051 } 4052 } 4053 4054 @Override 4055 public void overridePendingTransition(IBinder token, String packageName, 4056 int enterAnim, int exitAnim) { 4057 synchronized(this) { 4058 ActivityRecord self = ActivityRecord.isInStackLocked(token); 4059 if (self == null) { 4060 return; 4061 } 4062 4063 final long origId = Binder.clearCallingIdentity(); 4064 4065 if (self.state == ActivityState.RESUMED 4066 || self.state == ActivityState.PAUSING) { 4067 mWindowManager.overridePendingAppTransition(packageName, 4068 enterAnim, exitAnim, null); 4069 } 4070 4071 Binder.restoreCallingIdentity(origId); 4072 } 4073 } 4074 4075 /** 4076 * Main function for removing an existing process from the activity manager 4077 * as a result of that process going away. Clears out all connections 4078 * to the process. 4079 */ 4080 private final void handleAppDiedLocked(ProcessRecord app, 4081 boolean restarting, boolean allowRestart) { 4082 int pid = app.pid; 4083 cleanUpApplicationRecordLocked(app, restarting, allowRestart, -1); 4084 if (!restarting) { 4085 removeLruProcessLocked(app); 4086 if (pid > 0) { 4087 ProcessList.remove(pid); 4088 } 4089 } 4090 4091 if (mProfileProc == app) { 4092 clearProfilerLocked(); 4093 } 4094 4095 // Remove this application's activities from active lists. 4096 boolean hasVisibleActivities = mStackSupervisor.handleAppDiedLocked(app); 4097 4098 app.activities.clear(); 4099 4100 if (app.instrumentationClass != null) { 4101 Slog.w(TAG, "Crash of app " + app.processName 4102 + " running instrumentation " + app.instrumentationClass); 4103 Bundle info = new Bundle(); 4104 info.putString("shortMsg", "Process crashed."); 4105 finishInstrumentationLocked(app, Activity.RESULT_CANCELED, info); 4106 } 4107 4108 if (!restarting) { 4109 if (!mStackSupervisor.resumeTopActivitiesLocked()) { 4110 // If there was nothing to resume, and we are not already 4111 // restarting this process, but there is a visible activity that 4112 // is hosted by the process... then make sure all visible 4113 // activities are running, taking care of restarting this 4114 // process. 4115 if (hasVisibleActivities) { 4116 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 4117 } 4118 } 4119 } 4120 } 4121 4122 private final int getLRURecordIndexForAppLocked(IApplicationThread thread) { 4123 IBinder threadBinder = thread.asBinder(); 4124 // Find the application record. 4125 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4126 ProcessRecord rec = mLruProcesses.get(i); 4127 if (rec.thread != null && rec.thread.asBinder() == threadBinder) { 4128 return i; 4129 } 4130 } 4131 return -1; 4132 } 4133 4134 final ProcessRecord getRecordForAppLocked( 4135 IApplicationThread thread) { 4136 if (thread == null) { 4137 return null; 4138 } 4139 4140 int appIndex = getLRURecordIndexForAppLocked(thread); 4141 return appIndex >= 0 ? mLruProcesses.get(appIndex) : null; 4142 } 4143 4144 final void doLowMemReportIfNeededLocked(ProcessRecord dyingProc) { 4145 // If there are no longer any background processes running, 4146 // and the app that died was not running instrumentation, 4147 // then tell everyone we are now low on memory. 4148 boolean haveBg = false; 4149 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4150 ProcessRecord rec = mLruProcesses.get(i); 4151 if (rec.thread != null 4152 && rec.setProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 4153 haveBg = true; 4154 break; 4155 } 4156 } 4157 4158 if (!haveBg) { 4159 boolean doReport = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 4160 if (doReport) { 4161 long now = SystemClock.uptimeMillis(); 4162 if (now < (mLastMemUsageReportTime+5*60*1000)) { 4163 doReport = false; 4164 } else { 4165 mLastMemUsageReportTime = now; 4166 } 4167 } 4168 final ArrayList<ProcessMemInfo> memInfos 4169 = doReport ? new ArrayList<ProcessMemInfo>(mLruProcesses.size()) : null; 4170 EventLog.writeEvent(EventLogTags.AM_LOW_MEMORY, mLruProcesses.size()); 4171 long now = SystemClock.uptimeMillis(); 4172 for (int i=mLruProcesses.size()-1; i>=0; i--) { 4173 ProcessRecord rec = mLruProcesses.get(i); 4174 if (rec == dyingProc || rec.thread == null) { 4175 continue; 4176 } 4177 if (doReport) { 4178 memInfos.add(new ProcessMemInfo(rec.processName, rec.pid, rec.setAdj, 4179 rec.setProcState, rec.adjType, rec.makeAdjReason())); 4180 } 4181 if ((rec.lastLowMemory+GC_MIN_INTERVAL) <= now) { 4182 // The low memory report is overriding any current 4183 // state for a GC request. Make sure to do 4184 // heavy/important/visible/foreground processes first. 4185 if (rec.setAdj <= ProcessList.HEAVY_WEIGHT_APP_ADJ) { 4186 rec.lastRequestedGc = 0; 4187 } else { 4188 rec.lastRequestedGc = rec.lastLowMemory; 4189 } 4190 rec.reportLowMemory = true; 4191 rec.lastLowMemory = now; 4192 mProcessesToGc.remove(rec); 4193 addProcessToGcListLocked(rec); 4194 } 4195 } 4196 if (doReport) { 4197 Message msg = mHandler.obtainMessage(REPORT_MEM_USAGE_MSG, memInfos); 4198 mHandler.sendMessage(msg); 4199 } 4200 scheduleAppGcsLocked(); 4201 } 4202 } 4203 4204 final void appDiedLocked(ProcessRecord app, int pid, 4205 IApplicationThread thread) { 4206 4207 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 4208 synchronized (stats) { 4209 stats.noteProcessDiedLocked(app.info.uid, pid); 4210 } 4211 4212 Process.killProcessGroup(app.info.uid, pid); 4213 4214 // Clean up already done if the process has been re-started. 4215 if (app.pid == pid && app.thread != null && 4216 app.thread.asBinder() == thread.asBinder()) { 4217 boolean doLowMem = app.instrumentationClass == null; 4218 boolean doOomAdj = doLowMem; 4219 if (!app.killedByAm) { 4220 Slog.i(TAG, "Process " + app.processName + " (pid " + pid 4221 + ") has died."); 4222 mAllowLowerMemLevel = true; 4223 } else { 4224 // Note that we always want to do oom adj to update our state with the 4225 // new number of procs. 4226 mAllowLowerMemLevel = false; 4227 doLowMem = false; 4228 } 4229 EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); 4230 if (DEBUG_CLEANUP) Slog.v( 4231 TAG, "Dying app: " + app + ", pid: " + pid 4232 + ", thread: " + thread.asBinder()); 4233 handleAppDiedLocked(app, false, true); 4234 4235 if (doOomAdj) { 4236 updateOomAdjLocked(); 4237 } 4238 if (doLowMem) { 4239 doLowMemReportIfNeededLocked(app); 4240 } 4241 } else if (app.pid != pid) { 4242 // A new process has already been started. 4243 Slog.i(TAG, "Process " + app.processName + " (pid " + pid 4244 + ") has died and restarted (pid " + app.pid + ")."); 4245 EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); 4246 } else if (DEBUG_PROCESSES) { 4247 Slog.d(TAG, "Received spurious death notification for thread " 4248 + thread.asBinder()); 4249 } 4250 } 4251 4252 /** 4253 * If a stack trace dump file is configured, dump process stack traces. 4254 * @param clearTraces causes the dump file to be erased prior to the new 4255 * traces being written, if true; when false, the new traces will be 4256 * appended to any existing file content. 4257 * @param firstPids of dalvik VM processes to dump stack traces for first 4258 * @param lastPids of dalvik VM processes to dump stack traces for last 4259 * @param nativeProcs optional list of native process names to dump stack crawls 4260 * @return file containing stack traces, or null if no dump file is configured 4261 */ 4262 public static File dumpStackTraces(boolean clearTraces, ArrayList<Integer> firstPids, 4263 ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs) { 4264 String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); 4265 if (tracesPath == null || tracesPath.length() == 0) { 4266 return null; 4267 } 4268 4269 File tracesFile = new File(tracesPath); 4270 try { 4271 File tracesDir = tracesFile.getParentFile(); 4272 if (!tracesDir.exists()) { 4273 tracesFile.mkdirs(); 4274 if (!SELinux.restorecon(tracesDir)) { 4275 return null; 4276 } 4277 } 4278 FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x 4279 4280 if (clearTraces && tracesFile.exists()) tracesFile.delete(); 4281 tracesFile.createNewFile(); 4282 FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- 4283 } catch (IOException e) { 4284 Slog.w(TAG, "Unable to prepare ANR traces file: " + tracesPath, e); 4285 return null; 4286 } 4287 4288 dumpStackTraces(tracesPath, firstPids, processCpuTracker, lastPids, nativeProcs); 4289 return tracesFile; 4290 } 4291 4292 private static void dumpStackTraces(String tracesPath, ArrayList<Integer> firstPids, 4293 ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs) { 4294 // Use a FileObserver to detect when traces finish writing. 4295 // The order of traces is considered important to maintain for legibility. 4296 FileObserver observer = new FileObserver(tracesPath, FileObserver.CLOSE_WRITE) { 4297 @Override 4298 public synchronized void onEvent(int event, String path) { notify(); } 4299 }; 4300 4301 try { 4302 observer.startWatching(); 4303 4304 // First collect all of the stacks of the most important pids. 4305 if (firstPids != null) { 4306 try { 4307 int num = firstPids.size(); 4308 for (int i = 0; i < num; i++) { 4309 synchronized (observer) { 4310 Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT); 4311 observer.wait(200); // Wait for write-close, give up after 200msec 4312 } 4313 } 4314 } catch (InterruptedException e) { 4315 Log.wtf(TAG, e); 4316 } 4317 } 4318 4319 // Next collect the stacks of the native pids 4320 if (nativeProcs != null) { 4321 int[] pids = Process.getPidsForCommands(nativeProcs); 4322 if (pids != null) { 4323 for (int pid : pids) { 4324 Debug.dumpNativeBacktraceToFile(pid, tracesPath); 4325 } 4326 } 4327 } 4328 4329 // Lastly, measure CPU usage. 4330 if (processCpuTracker != null) { 4331 processCpuTracker.init(); 4332 System.gc(); 4333 processCpuTracker.update(); 4334 try { 4335 synchronized (processCpuTracker) { 4336 processCpuTracker.wait(500); // measure over 1/2 second. 4337 } 4338 } catch (InterruptedException e) { 4339 } 4340 processCpuTracker.update(); 4341 4342 // We'll take the stack crawls of just the top apps using CPU. 4343 final int N = processCpuTracker.countWorkingStats(); 4344 int numProcs = 0; 4345 for (int i=0; i<N && numProcs<5; i++) { 4346 ProcessCpuTracker.Stats stats = processCpuTracker.getWorkingStats(i); 4347 if (lastPids.indexOfKey(stats.pid) >= 0) { 4348 numProcs++; 4349 try { 4350 synchronized (observer) { 4351 Process.sendSignal(stats.pid, Process.SIGNAL_QUIT); 4352 observer.wait(200); // Wait for write-close, give up after 200msec 4353 } 4354 } catch (InterruptedException e) { 4355 Log.wtf(TAG, e); 4356 } 4357 4358 } 4359 } 4360 } 4361 } finally { 4362 observer.stopWatching(); 4363 } 4364 } 4365 4366 final void logAppTooSlow(ProcessRecord app, long startTime, String msg) { 4367 if (true || IS_USER_BUILD) { 4368 return; 4369 } 4370 String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); 4371 if (tracesPath == null || tracesPath.length() == 0) { 4372 return; 4373 } 4374 4375 StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); 4376 StrictMode.allowThreadDiskWrites(); 4377 try { 4378 final File tracesFile = new File(tracesPath); 4379 final File tracesDir = tracesFile.getParentFile(); 4380 final File tracesTmp = new File(tracesDir, "__tmp__"); 4381 try { 4382 if (!tracesDir.exists()) { 4383 tracesFile.mkdirs(); 4384 if (!SELinux.restorecon(tracesDir.getPath())) { 4385 return; 4386 } 4387 } 4388 FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x 4389 4390 if (tracesFile.exists()) { 4391 tracesTmp.delete(); 4392 tracesFile.renameTo(tracesTmp); 4393 } 4394 StringBuilder sb = new StringBuilder(); 4395 Time tobj = new Time(); 4396 tobj.set(System.currentTimeMillis()); 4397 sb.append(tobj.format("%Y-%m-%d %H:%M:%S")); 4398 sb.append(": "); 4399 TimeUtils.formatDuration(SystemClock.uptimeMillis()-startTime, sb); 4400 sb.append(" since "); 4401 sb.append(msg); 4402 FileOutputStream fos = new FileOutputStream(tracesFile); 4403 fos.write(sb.toString().getBytes()); 4404 if (app == null) { 4405 fos.write("\n*** No application process!".getBytes()); 4406 } 4407 fos.close(); 4408 FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- 4409 } catch (IOException e) { 4410 Slog.w(TAG, "Unable to prepare slow app traces file: " + tracesPath, e); 4411 return; 4412 } 4413 4414 if (app != null) { 4415 ArrayList<Integer> firstPids = new ArrayList<Integer>(); 4416 firstPids.add(app.pid); 4417 dumpStackTraces(tracesPath, firstPids, null, null, null); 4418 } 4419 4420 File lastTracesFile = null; 4421 File curTracesFile = null; 4422 for (int i=9; i>=0; i--) { 4423 String name = String.format(Locale.US, "slow%02d.txt", i); 4424 curTracesFile = new File(tracesDir, name); 4425 if (curTracesFile.exists()) { 4426 if (lastTracesFile != null) { 4427 curTracesFile.renameTo(lastTracesFile); 4428 } else { 4429 curTracesFile.delete(); 4430 } 4431 } 4432 lastTracesFile = curTracesFile; 4433 } 4434 tracesFile.renameTo(curTracesFile); 4435 if (tracesTmp.exists()) { 4436 tracesTmp.renameTo(tracesFile); 4437 } 4438 } finally { 4439 StrictMode.setThreadPolicy(oldPolicy); 4440 } 4441 } 4442 4443 final void appNotResponding(ProcessRecord app, ActivityRecord activity, 4444 ActivityRecord parent, boolean aboveSystem, final String annotation) { 4445 ArrayList<Integer> firstPids = new ArrayList<Integer>(5); 4446 SparseArray<Boolean> lastPids = new SparseArray<Boolean>(20); 4447 4448 if (mController != null) { 4449 try { 4450 // 0 == continue, -1 = kill process immediately 4451 int res = mController.appEarlyNotResponding(app.processName, app.pid, annotation); 4452 if (res < 0 && app.pid != MY_PID) { 4453 Process.killProcess(app.pid); 4454 Process.killProcessGroup(app.info.uid, app.pid); 4455 } 4456 } catch (RemoteException e) { 4457 mController = null; 4458 Watchdog.getInstance().setActivityController(null); 4459 } 4460 } 4461 4462 long anrTime = SystemClock.uptimeMillis(); 4463 if (MONITOR_CPU_USAGE) { 4464 updateCpuStatsNow(); 4465 } 4466 4467 synchronized (this) { 4468 // PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down. 4469 if (mShuttingDown) { 4470 Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation); 4471 return; 4472 } else if (app.notResponding) { 4473 Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation); 4474 return; 4475 } else if (app.crashing) { 4476 Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation); 4477 return; 4478 } 4479 4480 // In case we come through here for the same app before completing 4481 // this one, mark as anring now so we will bail out. 4482 app.notResponding = true; 4483 4484 // Log the ANR to the event log. 4485 EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid, 4486 app.processName, app.info.flags, annotation); 4487 4488 // Dump thread traces as quickly as we can, starting with "interesting" processes. 4489 firstPids.add(app.pid); 4490 4491 int parentPid = app.pid; 4492 if (parent != null && parent.app != null && parent.app.pid > 0) parentPid = parent.app.pid; 4493 if (parentPid != app.pid) firstPids.add(parentPid); 4494 4495 if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID); 4496 4497 for (int i = mLruProcesses.size() - 1; i >= 0; i--) { 4498 ProcessRecord r = mLruProcesses.get(i); 4499 if (r != null && r.thread != null) { 4500 int pid = r.pid; 4501 if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) { 4502 if (r.persistent) { 4503 firstPids.add(pid); 4504 } else { 4505 lastPids.put(pid, Boolean.TRUE); 4506 } 4507 } 4508 } 4509 } 4510 } 4511 4512 // Log the ANR to the main log. 4513 StringBuilder info = new StringBuilder(); 4514 info.setLength(0); 4515 info.append("ANR in ").append(app.processName); 4516 if (activity != null && activity.shortComponentName != null) { 4517 info.append(" (").append(activity.shortComponentName).append(")"); 4518 } 4519 info.append("\n"); 4520 info.append("PID: ").append(app.pid).append("\n"); 4521 if (annotation != null) { 4522 info.append("Reason: ").append(annotation).append("\n"); 4523 } 4524 if (parent != null && parent != activity) { 4525 info.append("Parent: ").append(parent.shortComponentName).append("\n"); 4526 } 4527 4528 final ProcessCpuTracker processCpuTracker = new ProcessCpuTracker(true); 4529 4530 File tracesFile = dumpStackTraces(true, firstPids, processCpuTracker, lastPids, 4531 NATIVE_STACKS_OF_INTEREST); 4532 4533 String cpuInfo = null; 4534 if (MONITOR_CPU_USAGE) { 4535 updateCpuStatsNow(); 4536 synchronized (mProcessCpuThread) { 4537 cpuInfo = mProcessCpuTracker.printCurrentState(anrTime); 4538 } 4539 info.append(processCpuTracker.printCurrentLoad()); 4540 info.append(cpuInfo); 4541 } 4542 4543 info.append(processCpuTracker.printCurrentState(anrTime)); 4544 4545 Slog.e(TAG, info.toString()); 4546 if (tracesFile == null) { 4547 // There is no trace file, so dump (only) the alleged culprit's threads to the log 4548 Process.sendSignal(app.pid, Process.SIGNAL_QUIT); 4549 } 4550 4551 addErrorToDropBox("anr", app, app.processName, activity, parent, annotation, 4552 cpuInfo, tracesFile, null); 4553 4554 if (mController != null) { 4555 try { 4556 // 0 == show dialog, 1 = keep waiting, -1 = kill process immediately 4557 int res = mController.appNotResponding(app.processName, app.pid, info.toString()); 4558 if (res != 0) { 4559 if (res < 0 && app.pid != MY_PID) { 4560 Process.killProcess(app.pid); 4561 Process.killProcessGroup(app.info.uid, app.pid); 4562 } else { 4563 synchronized (this) { 4564 mServices.scheduleServiceTimeoutLocked(app); 4565 } 4566 } 4567 return; 4568 } 4569 } catch (RemoteException e) { 4570 mController = null; 4571 Watchdog.getInstance().setActivityController(null); 4572 } 4573 } 4574 4575 // Unless configured otherwise, swallow ANRs in background processes & kill the process. 4576 boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), 4577 Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; 4578 4579 synchronized (this) { 4580 if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) { 4581 killUnneededProcessLocked(app, "background ANR"); 4582 return; 4583 } 4584 4585 // Set the app's notResponding state, and look up the errorReportReceiver 4586 makeAppNotRespondingLocked(app, 4587 activity != null ? activity.shortComponentName : null, 4588 annotation != null ? "ANR " + annotation : "ANR", 4589 info.toString()); 4590 4591 // Bring up the infamous App Not Responding dialog 4592 Message msg = Message.obtain(); 4593 HashMap<String, Object> map = new HashMap<String, Object>(); 4594 msg.what = SHOW_NOT_RESPONDING_MSG; 4595 msg.obj = map; 4596 msg.arg1 = aboveSystem ? 1 : 0; 4597 map.put("app", app); 4598 if (activity != null) { 4599 map.put("activity", activity); 4600 } 4601 4602 mHandler.sendMessage(msg); 4603 } 4604 } 4605 4606 final void showLaunchWarningLocked(final ActivityRecord cur, final ActivityRecord next) { 4607 if (!mLaunchWarningShown) { 4608 mLaunchWarningShown = true; 4609 mHandler.post(new Runnable() { 4610 @Override 4611 public void run() { 4612 synchronized (ActivityManagerService.this) { 4613 final Dialog d = new LaunchWarningWindow(mContext, cur, next); 4614 d.show(); 4615 mHandler.postDelayed(new Runnable() { 4616 @Override 4617 public void run() { 4618 synchronized (ActivityManagerService.this) { 4619 d.dismiss(); 4620 mLaunchWarningShown = false; 4621 } 4622 } 4623 }, 4000); 4624 } 4625 } 4626 }); 4627 } 4628 } 4629 4630 @Override 4631 public boolean clearApplicationUserData(final String packageName, 4632 final IPackageDataObserver observer, int userId) { 4633 enforceNotIsolatedCaller("clearApplicationUserData"); 4634 int uid = Binder.getCallingUid(); 4635 int pid = Binder.getCallingPid(); 4636 userId = handleIncomingUser(pid, uid, 4637 userId, false, ALLOW_FULL_ONLY, "clearApplicationUserData", null); 4638 long callingId = Binder.clearCallingIdentity(); 4639 try { 4640 IPackageManager pm = AppGlobals.getPackageManager(); 4641 int pkgUid = -1; 4642 synchronized(this) { 4643 try { 4644 pkgUid = pm.getPackageUid(packageName, userId); 4645 } catch (RemoteException e) { 4646 } 4647 if (pkgUid == -1) { 4648 Slog.w(TAG, "Invalid packageName: " + packageName); 4649 if (observer != null) { 4650 try { 4651 observer.onRemoveCompleted(packageName, false); 4652 } catch (RemoteException e) { 4653 Slog.i(TAG, "Observer no longer exists."); 4654 } 4655 } 4656 return false; 4657 } 4658 if (uid == pkgUid || checkComponentPermission( 4659 android.Manifest.permission.CLEAR_APP_USER_DATA, 4660 pid, uid, -1, true) 4661 == PackageManager.PERMISSION_GRANTED) { 4662 forceStopPackageLocked(packageName, pkgUid, "clear data"); 4663 } else { 4664 throw new SecurityException("PID " + pid + " does not have permission " 4665 + android.Manifest.permission.CLEAR_APP_USER_DATA + " to clear data" 4666 + " of package " + packageName); 4667 } 4668 } 4669 4670 try { 4671 // Clear application user data 4672 pm.clearApplicationUserData(packageName, observer, userId); 4673 4674 // Remove all permissions granted from/to this package 4675 removeUriPermissionsForPackageLocked(packageName, userId, true); 4676 4677 Intent intent = new Intent(Intent.ACTION_PACKAGE_DATA_CLEARED, 4678 Uri.fromParts("package", packageName, null)); 4679 intent.putExtra(Intent.EXTRA_UID, pkgUid); 4680 broadcastIntentInPackage("android", Process.SYSTEM_UID, intent, 4681 null, null, 0, null, null, null, false, false, userId); 4682 } catch (RemoteException e) { 4683 } 4684 } finally { 4685 Binder.restoreCallingIdentity(callingId); 4686 } 4687 return true; 4688 } 4689 4690 @Override 4691 public void killBackgroundProcesses(final String packageName, int userId) { 4692 if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) 4693 != PackageManager.PERMISSION_GRANTED && 4694 checkCallingPermission(android.Manifest.permission.RESTART_PACKAGES) 4695 != PackageManager.PERMISSION_GRANTED) { 4696 String msg = "Permission Denial: killBackgroundProcesses() from pid=" 4697 + Binder.getCallingPid() 4698 + ", uid=" + Binder.getCallingUid() 4699 + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; 4700 Slog.w(TAG, msg); 4701 throw new SecurityException(msg); 4702 } 4703 4704 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 4705 userId, true, ALLOW_FULL_ONLY, "killBackgroundProcesses", null); 4706 long callingId = Binder.clearCallingIdentity(); 4707 try { 4708 IPackageManager pm = AppGlobals.getPackageManager(); 4709 synchronized(this) { 4710 int appId = -1; 4711 try { 4712 appId = UserHandle.getAppId(pm.getPackageUid(packageName, 0)); 4713 } catch (RemoteException e) { 4714 } 4715 if (appId == -1) { 4716 Slog.w(TAG, "Invalid packageName: " + packageName); 4717 return; 4718 } 4719 killPackageProcessesLocked(packageName, appId, userId, 4720 ProcessList.SERVICE_ADJ, false, true, true, false, "kill background"); 4721 } 4722 } finally { 4723 Binder.restoreCallingIdentity(callingId); 4724 } 4725 } 4726 4727 @Override 4728 public void killAllBackgroundProcesses() { 4729 if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) 4730 != PackageManager.PERMISSION_GRANTED) { 4731 String msg = "Permission Denial: killAllBackgroundProcesses() from pid=" 4732 + Binder.getCallingPid() 4733 + ", uid=" + Binder.getCallingUid() 4734 + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; 4735 Slog.w(TAG, msg); 4736 throw new SecurityException(msg); 4737 } 4738 4739 long callingId = Binder.clearCallingIdentity(); 4740 try { 4741 synchronized(this) { 4742 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 4743 final int NP = mProcessNames.getMap().size(); 4744 for (int ip=0; ip<NP; ip++) { 4745 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 4746 final int NA = apps.size(); 4747 for (int ia=0; ia<NA; ia++) { 4748 ProcessRecord app = apps.valueAt(ia); 4749 if (app.persistent) { 4750 // we don't kill persistent processes 4751 continue; 4752 } 4753 if (app.removed) { 4754 procs.add(app); 4755 } else if (app.setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 4756 app.removed = true; 4757 procs.add(app); 4758 } 4759 } 4760 } 4761 4762 int N = procs.size(); 4763 for (int i=0; i<N; i++) { 4764 removeProcessLocked(procs.get(i), false, true, "kill all background"); 4765 } 4766 mAllowLowerMemLevel = true; 4767 updateOomAdjLocked(); 4768 doLowMemReportIfNeededLocked(null); 4769 } 4770 } finally { 4771 Binder.restoreCallingIdentity(callingId); 4772 } 4773 } 4774 4775 @Override 4776 public void forceStopPackage(final String packageName, int userId) { 4777 if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) 4778 != PackageManager.PERMISSION_GRANTED) { 4779 String msg = "Permission Denial: forceStopPackage() from pid=" 4780 + Binder.getCallingPid() 4781 + ", uid=" + Binder.getCallingUid() 4782 + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; 4783 Slog.w(TAG, msg); 4784 throw new SecurityException(msg); 4785 } 4786 final int callingPid = Binder.getCallingPid(); 4787 userId = handleIncomingUser(callingPid, Binder.getCallingUid(), 4788 userId, true, ALLOW_FULL_ONLY, "forceStopPackage", null); 4789 long callingId = Binder.clearCallingIdentity(); 4790 try { 4791 IPackageManager pm = AppGlobals.getPackageManager(); 4792 synchronized(this) { 4793 int[] users = userId == UserHandle.USER_ALL 4794 ? getUsersLocked() : new int[] { userId }; 4795 for (int user : users) { 4796 int pkgUid = -1; 4797 try { 4798 pkgUid = pm.getPackageUid(packageName, user); 4799 } catch (RemoteException e) { 4800 } 4801 if (pkgUid == -1) { 4802 Slog.w(TAG, "Invalid packageName: " + packageName); 4803 continue; 4804 } 4805 try { 4806 pm.setPackageStoppedState(packageName, true, user); 4807 } catch (RemoteException e) { 4808 } catch (IllegalArgumentException e) { 4809 Slog.w(TAG, "Failed trying to unstop package " 4810 + packageName + ": " + e); 4811 } 4812 if (isUserRunningLocked(user, false)) { 4813 forceStopPackageLocked(packageName, pkgUid, "from pid " + callingPid); 4814 } 4815 } 4816 } 4817 } finally { 4818 Binder.restoreCallingIdentity(callingId); 4819 } 4820 } 4821 4822 @Override 4823 public void addPackageDependency(String packageName) { 4824 synchronized (this) { 4825 int callingPid = Binder.getCallingPid(); 4826 if (callingPid == Process.myPid()) { 4827 // Yeah, um, no. 4828 Slog.w(TAG, "Can't addPackageDependency on system process"); 4829 return; 4830 } 4831 ProcessRecord proc; 4832 synchronized (mPidsSelfLocked) { 4833 proc = mPidsSelfLocked.get(Binder.getCallingPid()); 4834 } 4835 if (proc != null) { 4836 if (proc.pkgDeps == null) { 4837 proc.pkgDeps = new ArraySet<String>(1); 4838 } 4839 proc.pkgDeps.add(packageName); 4840 } 4841 } 4842 } 4843 4844 /* 4845 * The pkg name and app id have to be specified. 4846 */ 4847 @Override 4848 public void killApplicationWithAppId(String pkg, int appid, String reason) { 4849 if (pkg == null) { 4850 return; 4851 } 4852 // Make sure the uid is valid. 4853 if (appid < 0) { 4854 Slog.w(TAG, "Invalid appid specified for pkg : " + pkg); 4855 return; 4856 } 4857 int callerUid = Binder.getCallingUid(); 4858 // Only the system server can kill an application 4859 if (callerUid == Process.SYSTEM_UID) { 4860 // Post an aysnc message to kill the application 4861 Message msg = mHandler.obtainMessage(KILL_APPLICATION_MSG); 4862 msg.arg1 = appid; 4863 msg.arg2 = 0; 4864 Bundle bundle = new Bundle(); 4865 bundle.putString("pkg", pkg); 4866 bundle.putString("reason", reason); 4867 msg.obj = bundle; 4868 mHandler.sendMessage(msg); 4869 } else { 4870 throw new SecurityException(callerUid + " cannot kill pkg: " + 4871 pkg); 4872 } 4873 } 4874 4875 @Override 4876 public void closeSystemDialogs(String reason) { 4877 enforceNotIsolatedCaller("closeSystemDialogs"); 4878 4879 final int pid = Binder.getCallingPid(); 4880 final int uid = Binder.getCallingUid(); 4881 final long origId = Binder.clearCallingIdentity(); 4882 try { 4883 synchronized (this) { 4884 // Only allow this from foreground processes, so that background 4885 // applications can't abuse it to prevent system UI from being shown. 4886 if (uid >= Process.FIRST_APPLICATION_UID) { 4887 ProcessRecord proc; 4888 synchronized (mPidsSelfLocked) { 4889 proc = mPidsSelfLocked.get(pid); 4890 } 4891 if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 4892 Slog.w(TAG, "Ignoring closeSystemDialogs " + reason 4893 + " from background process " + proc); 4894 return; 4895 } 4896 } 4897 closeSystemDialogsLocked(reason); 4898 } 4899 } finally { 4900 Binder.restoreCallingIdentity(origId); 4901 } 4902 } 4903 4904 void closeSystemDialogsLocked(String reason) { 4905 Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); 4906 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 4907 | Intent.FLAG_RECEIVER_FOREGROUND); 4908 if (reason != null) { 4909 intent.putExtra("reason", reason); 4910 } 4911 mWindowManager.closeSystemDialogs(reason); 4912 4913 mStackSupervisor.closeSystemDialogsLocked(); 4914 4915 broadcastIntentLocked(null, null, intent, null, 4916 null, 0, null, null, null, AppOpsManager.OP_NONE, false, false, -1, 4917 Process.SYSTEM_UID, UserHandle.USER_ALL); 4918 } 4919 4920 @Override 4921 public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { 4922 enforceNotIsolatedCaller("getProcessMemoryInfo"); 4923 Debug.MemoryInfo[] infos = new Debug.MemoryInfo[pids.length]; 4924 for (int i=pids.length-1; i>=0; i--) { 4925 ProcessRecord proc; 4926 int oomAdj; 4927 synchronized (this) { 4928 synchronized (mPidsSelfLocked) { 4929 proc = mPidsSelfLocked.get(pids[i]); 4930 oomAdj = proc != null ? proc.setAdj : 0; 4931 } 4932 } 4933 infos[i] = new Debug.MemoryInfo(); 4934 Debug.getMemoryInfo(pids[i], infos[i]); 4935 if (proc != null) { 4936 synchronized (this) { 4937 if (proc.thread != null && proc.setAdj == oomAdj) { 4938 // Record this for posterity if the process has been stable. 4939 proc.baseProcessTracker.addPss(infos[i].getTotalPss(), 4940 infos[i].getTotalUss(), false, proc.pkgList); 4941 } 4942 } 4943 } 4944 } 4945 return infos; 4946 } 4947 4948 @Override 4949 public long[] getProcessPss(int[] pids) { 4950 enforceNotIsolatedCaller("getProcessPss"); 4951 long[] pss = new long[pids.length]; 4952 for (int i=pids.length-1; i>=0; i--) { 4953 ProcessRecord proc; 4954 int oomAdj; 4955 synchronized (this) { 4956 synchronized (mPidsSelfLocked) { 4957 proc = mPidsSelfLocked.get(pids[i]); 4958 oomAdj = proc != null ? proc.setAdj : 0; 4959 } 4960 } 4961 long[] tmpUss = new long[1]; 4962 pss[i] = Debug.getPss(pids[i], tmpUss); 4963 if (proc != null) { 4964 synchronized (this) { 4965 if (proc.thread != null && proc.setAdj == oomAdj) { 4966 // Record this for posterity if the process has been stable. 4967 proc.baseProcessTracker.addPss(pss[i], tmpUss[0], false, proc.pkgList); 4968 } 4969 } 4970 } 4971 } 4972 return pss; 4973 } 4974 4975 @Override 4976 public void killApplicationProcess(String processName, int uid) { 4977 if (processName == null) { 4978 return; 4979 } 4980 4981 int callerUid = Binder.getCallingUid(); 4982 // Only the system server can kill an application 4983 if (callerUid == Process.SYSTEM_UID) { 4984 synchronized (this) { 4985 ProcessRecord app = getProcessRecordLocked(processName, uid, true); 4986 if (app != null && app.thread != null) { 4987 try { 4988 app.thread.scheduleSuicide(); 4989 } catch (RemoteException e) { 4990 // If the other end already died, then our work here is done. 4991 } 4992 } else { 4993 Slog.w(TAG, "Process/uid not found attempting kill of " 4994 + processName + " / " + uid); 4995 } 4996 } 4997 } else { 4998 throw new SecurityException(callerUid + " cannot kill app process: " + 4999 processName); 5000 } 5001 } 5002 5003 private void forceStopPackageLocked(final String packageName, int uid, String reason) { 5004 forceStopPackageLocked(packageName, UserHandle.getAppId(uid), false, 5005 false, true, false, false, UserHandle.getUserId(uid), reason); 5006 Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, 5007 Uri.fromParts("package", packageName, null)); 5008 if (!mProcessesReady) { 5009 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5010 | Intent.FLAG_RECEIVER_FOREGROUND); 5011 } 5012 intent.putExtra(Intent.EXTRA_UID, uid); 5013 intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(uid)); 5014 broadcastIntentLocked(null, null, intent, 5015 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 5016 false, false, 5017 MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid)); 5018 } 5019 5020 private void forceStopUserLocked(int userId, String reason) { 5021 forceStopPackageLocked(null, -1, false, false, true, false, false, userId, reason); 5022 Intent intent = new Intent(Intent.ACTION_USER_STOPPED); 5023 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 5024 | Intent.FLAG_RECEIVER_FOREGROUND); 5025 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 5026 broadcastIntentLocked(null, null, intent, 5027 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 5028 false, false, 5029 MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 5030 } 5031 5032 private final boolean killPackageProcessesLocked(String packageName, int appId, 5033 int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart, 5034 boolean doit, boolean evenPersistent, String reason) { 5035 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 5036 5037 // Remove all processes this package may have touched: all with the 5038 // same UID (except for the system or root user), and all whose name 5039 // matches the package name. 5040 final int NP = mProcessNames.getMap().size(); 5041 for (int ip=0; ip<NP; ip++) { 5042 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 5043 final int NA = apps.size(); 5044 for (int ia=0; ia<NA; ia++) { 5045 ProcessRecord app = apps.valueAt(ia); 5046 if (app.persistent && !evenPersistent) { 5047 // we don't kill persistent processes 5048 continue; 5049 } 5050 if (app.removed) { 5051 if (doit) { 5052 procs.add(app); 5053 } 5054 continue; 5055 } 5056 5057 // Skip process if it doesn't meet our oom adj requirement. 5058 if (app.setAdj < minOomAdj) { 5059 continue; 5060 } 5061 5062 // If no package is specified, we call all processes under the 5063 // give user id. 5064 if (packageName == null) { 5065 if (app.userId != userId) { 5066 continue; 5067 } 5068 if (appId >= 0 && UserHandle.getAppId(app.uid) != appId) { 5069 continue; 5070 } 5071 // Package has been specified, we want to hit all processes 5072 // that match it. We need to qualify this by the processes 5073 // that are running under the specified app and user ID. 5074 } else { 5075 final boolean isDep = app.pkgDeps != null 5076 && app.pkgDeps.contains(packageName); 5077 if (!isDep && UserHandle.getAppId(app.uid) != appId) { 5078 continue; 5079 } 5080 if (userId != UserHandle.USER_ALL && app.userId != userId) { 5081 continue; 5082 } 5083 if (!app.pkgList.containsKey(packageName) && !isDep) { 5084 continue; 5085 } 5086 } 5087 5088 // Process has passed all conditions, kill it! 5089 if (!doit) { 5090 return true; 5091 } 5092 app.removed = true; 5093 procs.add(app); 5094 } 5095 } 5096 5097 int N = procs.size(); 5098 for (int i=0; i<N; i++) { 5099 removeProcessLocked(procs.get(i), callerWillRestart, allowRestart, reason); 5100 } 5101 updateOomAdjLocked(); 5102 return N > 0; 5103 } 5104 5105 private final boolean forceStopPackageLocked(String name, int appId, 5106 boolean callerWillRestart, boolean purgeCache, boolean doit, 5107 boolean evenPersistent, boolean uninstalling, int userId, String reason) { 5108 int i; 5109 int N; 5110 5111 if (userId == UserHandle.USER_ALL && name == null) { 5112 Slog.w(TAG, "Can't force stop all processes of all users, that is insane!"); 5113 } 5114 5115 if (appId < 0 && name != null) { 5116 try { 5117 appId = UserHandle.getAppId( 5118 AppGlobals.getPackageManager().getPackageUid(name, 0)); 5119 } catch (RemoteException e) { 5120 } 5121 } 5122 5123 if (doit) { 5124 if (name != null) { 5125 Slog.i(TAG, "Force stopping " + name + " appid=" + appId 5126 + " user=" + userId + ": " + reason); 5127 } else { 5128 Slog.i(TAG, "Force stopping u" + userId + ": " + reason); 5129 } 5130 5131 final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap(); 5132 for (int ip=pmap.size()-1; ip>=0; ip--) { 5133 SparseArray<Long> ba = pmap.valueAt(ip); 5134 for (i=ba.size()-1; i>=0; i--) { 5135 boolean remove = false; 5136 final int entUid = ba.keyAt(i); 5137 if (name != null) { 5138 if (userId == UserHandle.USER_ALL) { 5139 if (UserHandle.getAppId(entUid) == appId) { 5140 remove = true; 5141 } 5142 } else { 5143 if (entUid == UserHandle.getUid(userId, appId)) { 5144 remove = true; 5145 } 5146 } 5147 } else if (UserHandle.getUserId(entUid) == userId) { 5148 remove = true; 5149 } 5150 if (remove) { 5151 ba.removeAt(i); 5152 } 5153 } 5154 if (ba.size() == 0) { 5155 pmap.removeAt(ip); 5156 } 5157 } 5158 } 5159 5160 boolean didSomething = killPackageProcessesLocked(name, appId, userId, 5161 -100, callerWillRestart, true, doit, evenPersistent, 5162 name == null ? ("stop user " + userId) : ("stop " + name)); 5163 5164 if (mStackSupervisor.forceStopPackageLocked(name, doit, evenPersistent, userId)) { 5165 if (!doit) { 5166 return true; 5167 } 5168 didSomething = true; 5169 } 5170 5171 if (mServices.forceStopLocked(name, userId, evenPersistent, doit)) { 5172 if (!doit) { 5173 return true; 5174 } 5175 didSomething = true; 5176 } 5177 5178 if (name == null) { 5179 // Remove all sticky broadcasts from this user. 5180 mStickyBroadcasts.remove(userId); 5181 } 5182 5183 ArrayList<ContentProviderRecord> providers = new ArrayList<ContentProviderRecord>(); 5184 if (mProviderMap.collectForceStopProviders(name, appId, doit, evenPersistent, 5185 userId, providers)) { 5186 if (!doit) { 5187 return true; 5188 } 5189 didSomething = true; 5190 } 5191 N = providers.size(); 5192 for (i=0; i<N; i++) { 5193 removeDyingProviderLocked(null, providers.get(i), true); 5194 } 5195 5196 // Remove transient permissions granted from/to this package/user 5197 removeUriPermissionsForPackageLocked(name, userId, false); 5198 5199 if (name == null || uninstalling) { 5200 // Remove pending intents. For now we only do this when force 5201 // stopping users, because we have some problems when doing this 5202 // for packages -- app widgets are not currently cleaned up for 5203 // such packages, so they can be left with bad pending intents. 5204 if (mIntentSenderRecords.size() > 0) { 5205 Iterator<WeakReference<PendingIntentRecord>> it 5206 = mIntentSenderRecords.values().iterator(); 5207 while (it.hasNext()) { 5208 WeakReference<PendingIntentRecord> wpir = it.next(); 5209 if (wpir == null) { 5210 it.remove(); 5211 continue; 5212 } 5213 PendingIntentRecord pir = wpir.get(); 5214 if (pir == null) { 5215 it.remove(); 5216 continue; 5217 } 5218 if (name == null) { 5219 // Stopping user, remove all objects for the user. 5220 if (pir.key.userId != userId) { 5221 // Not the same user, skip it. 5222 continue; 5223 } 5224 } else { 5225 if (UserHandle.getAppId(pir.uid) != appId) { 5226 // Different app id, skip it. 5227 continue; 5228 } 5229 if (userId != UserHandle.USER_ALL && pir.key.userId != userId) { 5230 // Different user, skip it. 5231 continue; 5232 } 5233 if (!pir.key.packageName.equals(name)) { 5234 // Different package, skip it. 5235 continue; 5236 } 5237 } 5238 if (!doit) { 5239 return true; 5240 } 5241 didSomething = true; 5242 it.remove(); 5243 pir.canceled = true; 5244 if (pir.key.activity != null) { 5245 pir.key.activity.pendingResults.remove(pir.ref); 5246 } 5247 } 5248 } 5249 } 5250 5251 if (doit) { 5252 if (purgeCache && name != null) { 5253 AttributeCache ac = AttributeCache.instance(); 5254 if (ac != null) { 5255 ac.removePackage(name); 5256 } 5257 } 5258 if (mBooted) { 5259 mStackSupervisor.resumeTopActivitiesLocked(); 5260 mStackSupervisor.scheduleIdleLocked(); 5261 } 5262 } 5263 5264 return didSomething; 5265 } 5266 5267 private final boolean removeProcessLocked(ProcessRecord app, 5268 boolean callerWillRestart, boolean allowRestart, String reason) { 5269 final String name = app.processName; 5270 final int uid = app.uid; 5271 if (DEBUG_PROCESSES) Slog.d( 5272 TAG, "Force removing proc " + app.toShortString() + " (" + name 5273 + "/" + uid + ")"); 5274 5275 mProcessNames.remove(name, uid); 5276 mIsolatedProcesses.remove(app.uid); 5277 if (mHeavyWeightProcess == app) { 5278 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 5279 mHeavyWeightProcess.userId, 0)); 5280 mHeavyWeightProcess = null; 5281 } 5282 boolean needRestart = false; 5283 if (app.pid > 0 && app.pid != MY_PID) { 5284 int pid = app.pid; 5285 synchronized (mPidsSelfLocked) { 5286 mPidsSelfLocked.remove(pid); 5287 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 5288 } 5289 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 5290 if (app.isolated) { 5291 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 5292 } 5293 killUnneededProcessLocked(app, reason); 5294 Process.killProcessGroup(app.info.uid, app.pid); 5295 handleAppDiedLocked(app, true, allowRestart); 5296 removeLruProcessLocked(app); 5297 5298 if (app.persistent && !app.isolated) { 5299 if (!callerWillRestart) { 5300 addAppLocked(app.info, false, null /* ABI override */); 5301 } else { 5302 needRestart = true; 5303 } 5304 } 5305 } else { 5306 mRemovedProcesses.add(app); 5307 } 5308 5309 return needRestart; 5310 } 5311 5312 private final void processStartTimedOutLocked(ProcessRecord app) { 5313 final int pid = app.pid; 5314 boolean gone = false; 5315 synchronized (mPidsSelfLocked) { 5316 ProcessRecord knownApp = mPidsSelfLocked.get(pid); 5317 if (knownApp != null && knownApp.thread == null) { 5318 mPidsSelfLocked.remove(pid); 5319 gone = true; 5320 } 5321 } 5322 5323 if (gone) { 5324 Slog.w(TAG, "Process " + app + " failed to attach"); 5325 EventLog.writeEvent(EventLogTags.AM_PROCESS_START_TIMEOUT, app.userId, 5326 pid, app.uid, app.processName); 5327 mProcessNames.remove(app.processName, app.uid); 5328 mIsolatedProcesses.remove(app.uid); 5329 if (mHeavyWeightProcess == app) { 5330 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 5331 mHeavyWeightProcess.userId, 0)); 5332 mHeavyWeightProcess = null; 5333 } 5334 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 5335 if (app.isolated) { 5336 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 5337 } 5338 // Take care of any launching providers waiting for this process. 5339 checkAppInLaunchingProvidersLocked(app, true); 5340 // Take care of any services that are waiting for the process. 5341 mServices.processStartTimedOutLocked(app); 5342 killUnneededProcessLocked(app, "start timeout"); 5343 if (mBackupTarget != null && mBackupTarget.app.pid == pid) { 5344 Slog.w(TAG, "Unattached app died before backup, skipping"); 5345 try { 5346 IBackupManager bm = IBackupManager.Stub.asInterface( 5347 ServiceManager.getService(Context.BACKUP_SERVICE)); 5348 bm.agentDisconnected(app.info.packageName); 5349 } catch (RemoteException e) { 5350 // Can't happen; the backup manager is local 5351 } 5352 } 5353 if (isPendingBroadcastProcessLocked(pid)) { 5354 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); 5355 skipPendingBroadcastLocked(pid); 5356 } 5357 } else { 5358 Slog.w(TAG, "Spurious process start timeout - pid not known for " + app); 5359 } 5360 } 5361 5362 private final boolean attachApplicationLocked(IApplicationThread thread, 5363 int pid) { 5364 5365 // Find the application record that is being attached... either via 5366 // the pid if we are running in multiple processes, or just pull the 5367 // next app record if we are emulating process with anonymous threads. 5368 ProcessRecord app; 5369 if (pid != MY_PID && pid >= 0) { 5370 synchronized (mPidsSelfLocked) { 5371 app = mPidsSelfLocked.get(pid); 5372 } 5373 } else { 5374 app = null; 5375 } 5376 5377 if (app == null) { 5378 Slog.w(TAG, "No pending application record for pid " + pid 5379 + " (IApplicationThread " + thread + "); dropping process"); 5380 EventLog.writeEvent(EventLogTags.AM_DROP_PROCESS, pid); 5381 if (pid > 0 && pid != MY_PID) { 5382 Process.killProcessQuiet(pid); 5383 //TODO: Process.killProcessGroup(app.info.uid, pid); 5384 } else { 5385 try { 5386 thread.scheduleExit(); 5387 } catch (Exception e) { 5388 // Ignore exceptions. 5389 } 5390 } 5391 return false; 5392 } 5393 5394 // If this application record is still attached to a previous 5395 // process, clean it up now. 5396 if (app.thread != null) { 5397 handleAppDiedLocked(app, true, true); 5398 } 5399 5400 // Tell the process all about itself. 5401 5402 if (localLOGV) Slog.v( 5403 TAG, "Binding process pid " + pid + " to record " + app); 5404 5405 final String processName = app.processName; 5406 try { 5407 AppDeathRecipient adr = new AppDeathRecipient( 5408 app, pid, thread); 5409 thread.asBinder().linkToDeath(adr, 0); 5410 app.deathRecipient = adr; 5411 } catch (RemoteException e) { 5412 app.resetPackageList(mProcessStats); 5413 startProcessLocked(app, "link fail", processName); 5414 return false; 5415 } 5416 5417 EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName); 5418 5419 app.makeActive(thread, mProcessStats); 5420 app.curAdj = app.setAdj = -100; 5421 app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT; 5422 app.forcingToForeground = null; 5423 updateProcessForegroundLocked(app, false, false); 5424 app.hasShownUi = false; 5425 app.debugging = false; 5426 app.cached = false; 5427 5428 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 5429 5430 boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info); 5431 List<ProviderInfo> providers = normalMode ? generateApplicationProvidersLocked(app) : null; 5432 5433 if (!normalMode) { 5434 Slog.i(TAG, "Launching preboot mode app: " + app); 5435 } 5436 5437 if (localLOGV) Slog.v( 5438 TAG, "New app record " + app 5439 + " thread=" + thread.asBinder() + " pid=" + pid); 5440 try { 5441 int testMode = IApplicationThread.DEBUG_OFF; 5442 if (mDebugApp != null && mDebugApp.equals(processName)) { 5443 testMode = mWaitForDebugger 5444 ? IApplicationThread.DEBUG_WAIT 5445 : IApplicationThread.DEBUG_ON; 5446 app.debugging = true; 5447 if (mDebugTransient) { 5448 mDebugApp = mOrigDebugApp; 5449 mWaitForDebugger = mOrigWaitForDebugger; 5450 } 5451 } 5452 String profileFile = app.instrumentationProfileFile; 5453 ParcelFileDescriptor profileFd = null; 5454 boolean profileAutoStop = false; 5455 if (mProfileApp != null && mProfileApp.equals(processName)) { 5456 mProfileProc = app; 5457 profileFile = mProfileFile; 5458 profileFd = mProfileFd; 5459 profileAutoStop = mAutoStopProfiler; 5460 } 5461 boolean enableOpenGlTrace = false; 5462 if (mOpenGlTraceApp != null && mOpenGlTraceApp.equals(processName)) { 5463 enableOpenGlTrace = true; 5464 mOpenGlTraceApp = null; 5465 } 5466 5467 // If the app is being launched for restore or full backup, set it up specially 5468 boolean isRestrictedBackupMode = false; 5469 if (mBackupTarget != null && mBackupAppName.equals(processName)) { 5470 isRestrictedBackupMode = (mBackupTarget.backupMode == BackupRecord.RESTORE) 5471 || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL) 5472 || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL); 5473 } 5474 5475 ensurePackageDexOpt(app.instrumentationInfo != null 5476 ? app.instrumentationInfo.packageName 5477 : app.info.packageName); 5478 if (app.instrumentationClass != null) { 5479 ensurePackageDexOpt(app.instrumentationClass.getPackageName()); 5480 } 5481 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Binding proc " 5482 + processName + " with config " + mConfiguration); 5483 ApplicationInfo appInfo = app.instrumentationInfo != null 5484 ? app.instrumentationInfo : app.info; 5485 app.compat = compatibilityInfoForPackageLocked(appInfo); 5486 if (profileFd != null) { 5487 profileFd = profileFd.dup(); 5488 } 5489 thread.bindApplication(processName, appInfo, providers, 5490 app.instrumentationClass, profileFile, profileFd, profileAutoStop, 5491 app.instrumentationArguments, app.instrumentationWatcher, 5492 app.instrumentationUiAutomationConnection, testMode, enableOpenGlTrace, 5493 isRestrictedBackupMode || !normalMode, app.persistent, 5494 new Configuration(mConfiguration), app.compat, getCommonServicesLocked(), 5495 mCoreSettingsObserver.getCoreSettingsLocked()); 5496 updateLruProcessLocked(app, false, null); 5497 app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis(); 5498 } catch (Exception e) { 5499 // todo: Yikes! What should we do? For now we will try to 5500 // start another process, but that could easily get us in 5501 // an infinite loop of restarting processes... 5502 Slog.w(TAG, "Exception thrown during bind!", e); 5503 5504 app.resetPackageList(mProcessStats); 5505 app.unlinkDeathRecipient(); 5506 startProcessLocked(app, "bind fail", processName); 5507 return false; 5508 } 5509 5510 // Remove this record from the list of starting applications. 5511 mPersistentStartingProcesses.remove(app); 5512 if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, 5513 "Attach application locked removing on hold: " + app); 5514 mProcessesOnHold.remove(app); 5515 5516 boolean badApp = false; 5517 boolean didSomething = false; 5518 5519 // See if the top visible activity is waiting to run in this process... 5520 if (normalMode) { 5521 try { 5522 if (mStackSupervisor.attachApplicationLocked(app)) { 5523 didSomething = true; 5524 } 5525 } catch (Exception e) { 5526 badApp = true; 5527 } 5528 } 5529 5530 // Find any services that should be running in this process... 5531 if (!badApp) { 5532 try { 5533 didSomething |= mServices.attachApplicationLocked(app, processName); 5534 } catch (Exception e) { 5535 badApp = true; 5536 } 5537 } 5538 5539 // Check if a next-broadcast receiver is in this process... 5540 if (!badApp && isPendingBroadcastProcessLocked(pid)) { 5541 try { 5542 didSomething |= sendPendingBroadcastsLocked(app); 5543 } catch (Exception e) { 5544 // If the app died trying to launch the receiver we declare it 'bad' 5545 badApp = true; 5546 } 5547 } 5548 5549 // Check whether the next backup agent is in this process... 5550 if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.uid) { 5551 if (DEBUG_BACKUP) Slog.v(TAG, "New app is backup target, launching agent for " + app); 5552 ensurePackageDexOpt(mBackupTarget.appInfo.packageName); 5553 try { 5554 thread.scheduleCreateBackupAgent(mBackupTarget.appInfo, 5555 compatibilityInfoForPackageLocked(mBackupTarget.appInfo), 5556 mBackupTarget.backupMode); 5557 } catch (Exception e) { 5558 Slog.w(TAG, "Exception scheduling backup agent creation: "); 5559 e.printStackTrace(); 5560 } 5561 } 5562 5563 if (badApp) { 5564 // todo: Also need to kill application to deal with all 5565 // kinds of exceptions. 5566 handleAppDiedLocked(app, false, true); 5567 return false; 5568 } 5569 5570 if (!didSomething) { 5571 updateOomAdjLocked(); 5572 } 5573 5574 return true; 5575 } 5576 5577 @Override 5578 public final void attachApplication(IApplicationThread thread) { 5579 synchronized (this) { 5580 int callingPid = Binder.getCallingPid(); 5581 final long origId = Binder.clearCallingIdentity(); 5582 attachApplicationLocked(thread, callingPid); 5583 Binder.restoreCallingIdentity(origId); 5584 } 5585 } 5586 5587 @Override 5588 public final void activityIdle(IBinder token, Configuration config, boolean stopProfiling) { 5589 final long origId = Binder.clearCallingIdentity(); 5590 synchronized (this) { 5591 ActivityStack stack = ActivityRecord.getStackLocked(token); 5592 if (stack != null) { 5593 ActivityRecord r = 5594 mStackSupervisor.activityIdleInternalLocked(token, false, config); 5595 if (stopProfiling) { 5596 if ((mProfileProc == r.app) && (mProfileFd != null)) { 5597 try { 5598 mProfileFd.close(); 5599 } catch (IOException e) { 5600 } 5601 clearProfilerLocked(); 5602 } 5603 } 5604 } 5605 } 5606 Binder.restoreCallingIdentity(origId); 5607 } 5608 5609 void postEnableScreenAfterBootLocked() { 5610 mHandler.sendEmptyMessage(ENABLE_SCREEN_AFTER_BOOT_MSG); 5611 } 5612 5613 void enableScreenAfterBoot() { 5614 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_ENABLE_SCREEN, 5615 SystemClock.uptimeMillis()); 5616 mWindowManager.enableScreenAfterBoot(); 5617 5618 synchronized (this) { 5619 updateEventDispatchingLocked(); 5620 } 5621 } 5622 5623 @Override 5624 public void showBootMessage(final CharSequence msg, final boolean always) { 5625 enforceNotIsolatedCaller("showBootMessage"); 5626 mWindowManager.showBootMessage(msg, always); 5627 } 5628 5629 @Override 5630 public void dismissKeyguardOnNextActivity() { 5631 enforceNotIsolatedCaller("dismissKeyguardOnNextActivity"); 5632 final long token = Binder.clearCallingIdentity(); 5633 try { 5634 synchronized (this) { 5635 if (DEBUG_LOCKSCREEN) logLockScreen(""); 5636 if (mLockScreenShown) { 5637 mLockScreenShown = false; 5638 comeOutOfSleepIfNeededLocked(); 5639 } 5640 mStackSupervisor.setDismissKeyguard(true); 5641 } 5642 } finally { 5643 Binder.restoreCallingIdentity(token); 5644 } 5645 } 5646 5647 final void finishBooting() { 5648 // Register receivers to handle package update events 5649 mPackageMonitor.register(mContext, Looper.getMainLooper(), false); 5650 5651 synchronized (this) { 5652 // Ensure that any processes we had put on hold are now started 5653 // up. 5654 final int NP = mProcessesOnHold.size(); 5655 if (NP > 0) { 5656 ArrayList<ProcessRecord> procs = 5657 new ArrayList<ProcessRecord>(mProcessesOnHold); 5658 for (int ip=0; ip<NP; ip++) { 5659 if (DEBUG_PROCESSES) Slog.v(TAG, "Starting process on hold: " 5660 + procs.get(ip)); 5661 startProcessLocked(procs.get(ip), "on-hold", null); 5662 } 5663 } 5664 5665 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 5666 // Start looking for apps that are abusing wake locks. 5667 Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 5668 mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 5669 // Tell anyone interested that we are done booting! 5670 SystemProperties.set("sys.boot_completed", "1"); 5671 SystemProperties.set("dev.bootcomplete", "1"); 5672 for (int i=0; i<mStartedUsers.size(); i++) { 5673 UserStartedState uss = mStartedUsers.valueAt(i); 5674 if (uss.mState == UserStartedState.STATE_BOOTING) { 5675 uss.mState = UserStartedState.STATE_RUNNING; 5676 final int userId = mStartedUsers.keyAt(i); 5677 Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); 5678 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 5679 intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT); 5680 broadcastIntentLocked(null, null, intent, null, 5681 new IIntentReceiver.Stub() { 5682 @Override 5683 public void performReceive(Intent intent, int resultCode, 5684 String data, Bundle extras, boolean ordered, 5685 boolean sticky, int sendingUser) { 5686 synchronized (ActivityManagerService.this) { 5687 requestPssAllProcsLocked(SystemClock.uptimeMillis(), 5688 true, false); 5689 } 5690 } 5691 }, 5692 0, null, null, 5693 android.Manifest.permission.RECEIVE_BOOT_COMPLETED, 5694 AppOpsManager.OP_NONE, true, false, MY_PID, Process.SYSTEM_UID, 5695 userId); 5696 } 5697 } 5698 scheduleStartProfilesLocked(); 5699 } 5700 } 5701 } 5702 5703 final void ensureBootCompleted() { 5704 boolean booting; 5705 boolean enableScreen; 5706 synchronized (this) { 5707 booting = mBooting; 5708 mBooting = false; 5709 enableScreen = !mBooted; 5710 mBooted = true; 5711 } 5712 5713 if (booting) { 5714 finishBooting(); 5715 } 5716 5717 if (enableScreen) { 5718 enableScreenAfterBoot(); 5719 } 5720 } 5721 5722 @Override 5723 public final void activityResumed(IBinder token) { 5724 final long origId = Binder.clearCallingIdentity(); 5725 synchronized(this) { 5726 ActivityStack stack = ActivityRecord.getStackLocked(token); 5727 if (stack != null) { 5728 ActivityRecord.activityResumedLocked(token); 5729 } 5730 } 5731 Binder.restoreCallingIdentity(origId); 5732 } 5733 5734 @Override 5735 public final void activityPaused(IBinder token, PersistableBundle persistentState) { 5736 final long origId = Binder.clearCallingIdentity(); 5737 synchronized(this) { 5738 ActivityStack stack = ActivityRecord.getStackLocked(token); 5739 if (stack != null) { 5740 stack.activityPausedLocked(token, false, persistentState); 5741 } 5742 } 5743 Binder.restoreCallingIdentity(origId); 5744 } 5745 5746 @Override 5747 public final void activityStopped(IBinder token, Bundle icicle, 5748 PersistableBundle persistentState, CharSequence description) { 5749 if (localLOGV) Slog.v(TAG, "Activity stopped: token=" + token); 5750 5751 // Refuse possible leaked file descriptors 5752 if (icicle != null && icicle.hasFileDescriptors()) { 5753 throw new IllegalArgumentException("File descriptors passed in Bundle"); 5754 } 5755 5756 final long origId = Binder.clearCallingIdentity(); 5757 5758 synchronized (this) { 5759 ActivityRecord r = ActivityRecord.isInStackLocked(token); 5760 if (r != null) { 5761 r.task.stack.activityStoppedLocked(r, icicle, persistentState, description); 5762 } 5763 } 5764 5765 trimApplications(); 5766 5767 Binder.restoreCallingIdentity(origId); 5768 } 5769 5770 @Override 5771 public final void activityDestroyed(IBinder token) { 5772 if (DEBUG_SWITCH) Slog.v(TAG, "ACTIVITY DESTROYED: " + token); 5773 synchronized (this) { 5774 ActivityStack stack = ActivityRecord.getStackLocked(token); 5775 if (stack != null) { 5776 stack.activityDestroyedLocked(token); 5777 } 5778 } 5779 } 5780 5781 @Override 5782 public final void mediaResourcesReleased(IBinder token) { 5783 final long origId = Binder.clearCallingIdentity(); 5784 try { 5785 synchronized (this) { 5786 ActivityStack stack = ActivityRecord.getStackLocked(token); 5787 if (stack != null) { 5788 stack.mediaResourcesReleased(token); 5789 } 5790 } 5791 } finally { 5792 Binder.restoreCallingIdentity(origId); 5793 } 5794 } 5795 5796 @Override 5797 public final void notifyLaunchTaskBehindComplete(IBinder token) { 5798 mStackSupervisor.scheduleLaunchTaskBehindComplete(token); 5799 } 5800 5801 @Override 5802 public final void notifyEnterAnimationComplete(IBinder token) { 5803 mHandler.sendMessage(mHandler.obtainMessage(ENTER_ANIMATION_COMPLETE_MSG, token)); 5804 } 5805 5806 @Override 5807 public String getCallingPackage(IBinder token) { 5808 synchronized (this) { 5809 ActivityRecord r = getCallingRecordLocked(token); 5810 return r != null ? r.info.packageName : null; 5811 } 5812 } 5813 5814 @Override 5815 public ComponentName getCallingActivity(IBinder token) { 5816 synchronized (this) { 5817 ActivityRecord r = getCallingRecordLocked(token); 5818 return r != null ? r.intent.getComponent() : null; 5819 } 5820 } 5821 5822 private ActivityRecord getCallingRecordLocked(IBinder token) { 5823 ActivityRecord r = ActivityRecord.isInStackLocked(token); 5824 if (r == null) { 5825 return null; 5826 } 5827 return r.resultTo; 5828 } 5829 5830 @Override 5831 public ComponentName getActivityClassForToken(IBinder token) { 5832 synchronized(this) { 5833 ActivityRecord r = ActivityRecord.isInStackLocked(token); 5834 if (r == null) { 5835 return null; 5836 } 5837 return r.intent.getComponent(); 5838 } 5839 } 5840 5841 @Override 5842 public String getPackageForToken(IBinder token) { 5843 synchronized(this) { 5844 ActivityRecord r = ActivityRecord.isInStackLocked(token); 5845 if (r == null) { 5846 return null; 5847 } 5848 return r.packageName; 5849 } 5850 } 5851 5852 @Override 5853 public IIntentSender getIntentSender(int type, 5854 String packageName, IBinder token, String resultWho, 5855 int requestCode, Intent[] intents, String[] resolvedTypes, 5856 int flags, Bundle options, int userId) { 5857 enforceNotIsolatedCaller("getIntentSender"); 5858 // Refuse possible leaked file descriptors 5859 if (intents != null) { 5860 if (intents.length < 1) { 5861 throw new IllegalArgumentException("Intents array length must be >= 1"); 5862 } 5863 for (int i=0; i<intents.length; i++) { 5864 Intent intent = intents[i]; 5865 if (intent != null) { 5866 if (intent.hasFileDescriptors()) { 5867 throw new IllegalArgumentException("File descriptors passed in Intent"); 5868 } 5869 if (type == ActivityManager.INTENT_SENDER_BROADCAST && 5870 (intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { 5871 throw new IllegalArgumentException( 5872 "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); 5873 } 5874 intents[i] = new Intent(intent); 5875 } 5876 } 5877 if (resolvedTypes != null && resolvedTypes.length != intents.length) { 5878 throw new IllegalArgumentException( 5879 "Intent array length does not match resolvedTypes length"); 5880 } 5881 } 5882 if (options != null) { 5883 if (options.hasFileDescriptors()) { 5884 throw new IllegalArgumentException("File descriptors passed in options"); 5885 } 5886 } 5887 5888 synchronized(this) { 5889 int callingUid = Binder.getCallingUid(); 5890 int origUserId = userId; 5891 userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, 5892 type == ActivityManager.INTENT_SENDER_BROADCAST, 5893 ALLOW_NON_FULL, "getIntentSender", null); 5894 if (origUserId == UserHandle.USER_CURRENT) { 5895 // We don't want to evaluate this until the pending intent is 5896 // actually executed. However, we do want to always do the 5897 // security checking for it above. 5898 userId = UserHandle.USER_CURRENT; 5899 } 5900 try { 5901 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 5902 int uid = AppGlobals.getPackageManager() 5903 .getPackageUid(packageName, UserHandle.getUserId(callingUid)); 5904 if (!UserHandle.isSameApp(callingUid, uid)) { 5905 String msg = "Permission Denial: getIntentSender() from pid=" 5906 + Binder.getCallingPid() 5907 + ", uid=" + Binder.getCallingUid() 5908 + ", (need uid=" + uid + ")" 5909 + " is not allowed to send as package " + packageName; 5910 Slog.w(TAG, msg); 5911 throw new SecurityException(msg); 5912 } 5913 } 5914 5915 return getIntentSenderLocked(type, packageName, callingUid, userId, 5916 token, resultWho, requestCode, intents, resolvedTypes, flags, options); 5917 5918 } catch (RemoteException e) { 5919 throw new SecurityException(e); 5920 } 5921 } 5922 } 5923 5924 IIntentSender getIntentSenderLocked(int type, String packageName, 5925 int callingUid, int userId, IBinder token, String resultWho, 5926 int requestCode, Intent[] intents, String[] resolvedTypes, int flags, 5927 Bundle options) { 5928 if (DEBUG_MU) 5929 Slog.v(TAG_MU, "getIntentSenderLocked(): uid=" + callingUid); 5930 ActivityRecord activity = null; 5931 if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { 5932 activity = ActivityRecord.isInStackLocked(token); 5933 if (activity == null) { 5934 return null; 5935 } 5936 if (activity.finishing) { 5937 return null; 5938 } 5939 } 5940 5941 final boolean noCreate = (flags&PendingIntent.FLAG_NO_CREATE) != 0; 5942 final boolean cancelCurrent = (flags&PendingIntent.FLAG_CANCEL_CURRENT) != 0; 5943 final boolean updateCurrent = (flags&PendingIntent.FLAG_UPDATE_CURRENT) != 0; 5944 flags &= ~(PendingIntent.FLAG_NO_CREATE|PendingIntent.FLAG_CANCEL_CURRENT 5945 |PendingIntent.FLAG_UPDATE_CURRENT); 5946 5947 PendingIntentRecord.Key key = new PendingIntentRecord.Key( 5948 type, packageName, activity, resultWho, 5949 requestCode, intents, resolvedTypes, flags, options, userId); 5950 WeakReference<PendingIntentRecord> ref; 5951 ref = mIntentSenderRecords.get(key); 5952 PendingIntentRecord rec = ref != null ? ref.get() : null; 5953 if (rec != null) { 5954 if (!cancelCurrent) { 5955 if (updateCurrent) { 5956 if (rec.key.requestIntent != null) { 5957 rec.key.requestIntent.replaceExtras(intents != null ? 5958 intents[intents.length - 1] : null); 5959 } 5960 if (intents != null) { 5961 intents[intents.length-1] = rec.key.requestIntent; 5962 rec.key.allIntents = intents; 5963 rec.key.allResolvedTypes = resolvedTypes; 5964 } else { 5965 rec.key.allIntents = null; 5966 rec.key.allResolvedTypes = null; 5967 } 5968 } 5969 return rec; 5970 } 5971 rec.canceled = true; 5972 mIntentSenderRecords.remove(key); 5973 } 5974 if (noCreate) { 5975 return rec; 5976 } 5977 rec = new PendingIntentRecord(this, key, callingUid); 5978 mIntentSenderRecords.put(key, rec.ref); 5979 if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { 5980 if (activity.pendingResults == null) { 5981 activity.pendingResults 5982 = new HashSet<WeakReference<PendingIntentRecord>>(); 5983 } 5984 activity.pendingResults.add(rec.ref); 5985 } 5986 return rec; 5987 } 5988 5989 @Override 5990 public void cancelIntentSender(IIntentSender sender) { 5991 if (!(sender instanceof PendingIntentRecord)) { 5992 return; 5993 } 5994 synchronized(this) { 5995 PendingIntentRecord rec = (PendingIntentRecord)sender; 5996 try { 5997 int uid = AppGlobals.getPackageManager() 5998 .getPackageUid(rec.key.packageName, UserHandle.getCallingUserId()); 5999 if (!UserHandle.isSameApp(uid, Binder.getCallingUid())) { 6000 String msg = "Permission Denial: cancelIntentSender() from pid=" 6001 + Binder.getCallingPid() 6002 + ", uid=" + Binder.getCallingUid() 6003 + " is not allowed to cancel packges " 6004 + rec.key.packageName; 6005 Slog.w(TAG, msg); 6006 throw new SecurityException(msg); 6007 } 6008 } catch (RemoteException e) { 6009 throw new SecurityException(e); 6010 } 6011 cancelIntentSenderLocked(rec, true); 6012 } 6013 } 6014 6015 void cancelIntentSenderLocked(PendingIntentRecord rec, boolean cleanActivity) { 6016 rec.canceled = true; 6017 mIntentSenderRecords.remove(rec.key); 6018 if (cleanActivity && rec.key.activity != null) { 6019 rec.key.activity.pendingResults.remove(rec.ref); 6020 } 6021 } 6022 6023 @Override 6024 public String getPackageForIntentSender(IIntentSender pendingResult) { 6025 if (!(pendingResult instanceof PendingIntentRecord)) { 6026 return null; 6027 } 6028 try { 6029 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6030 return res.key.packageName; 6031 } catch (ClassCastException e) { 6032 } 6033 return null; 6034 } 6035 6036 @Override 6037 public int getUidForIntentSender(IIntentSender sender) { 6038 if (sender instanceof PendingIntentRecord) { 6039 try { 6040 PendingIntentRecord res = (PendingIntentRecord)sender; 6041 return res.uid; 6042 } catch (ClassCastException e) { 6043 } 6044 } 6045 return -1; 6046 } 6047 6048 @Override 6049 public boolean isIntentSenderTargetedToPackage(IIntentSender pendingResult) { 6050 if (!(pendingResult instanceof PendingIntentRecord)) { 6051 return false; 6052 } 6053 try { 6054 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6055 if (res.key.allIntents == null) { 6056 return false; 6057 } 6058 for (int i=0; i<res.key.allIntents.length; i++) { 6059 Intent intent = res.key.allIntents[i]; 6060 if (intent.getPackage() != null && intent.getComponent() != null) { 6061 return false; 6062 } 6063 } 6064 return true; 6065 } catch (ClassCastException e) { 6066 } 6067 return false; 6068 } 6069 6070 @Override 6071 public boolean isIntentSenderAnActivity(IIntentSender pendingResult) { 6072 if (!(pendingResult instanceof PendingIntentRecord)) { 6073 return false; 6074 } 6075 try { 6076 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6077 if (res.key.type == ActivityManager.INTENT_SENDER_ACTIVITY) { 6078 return true; 6079 } 6080 return false; 6081 } catch (ClassCastException e) { 6082 } 6083 return false; 6084 } 6085 6086 @Override 6087 public Intent getIntentForIntentSender(IIntentSender pendingResult) { 6088 if (!(pendingResult instanceof PendingIntentRecord)) { 6089 return null; 6090 } 6091 try { 6092 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6093 return res.key.requestIntent != null ? new Intent(res.key.requestIntent) : null; 6094 } catch (ClassCastException e) { 6095 } 6096 return null; 6097 } 6098 6099 @Override 6100 public String getTagForIntentSender(IIntentSender pendingResult, String prefix) { 6101 if (!(pendingResult instanceof PendingIntentRecord)) { 6102 return null; 6103 } 6104 try { 6105 PendingIntentRecord res = (PendingIntentRecord)pendingResult; 6106 Intent intent = res.key.requestIntent; 6107 if (intent != null) { 6108 if (res.lastTag != null && res.lastTagPrefix == prefix && (res.lastTagPrefix == null 6109 || res.lastTagPrefix.equals(prefix))) { 6110 return res.lastTag; 6111 } 6112 res.lastTagPrefix = prefix; 6113 StringBuilder sb = new StringBuilder(128); 6114 if (prefix != null) { 6115 sb.append(prefix); 6116 } 6117 if (intent.getAction() != null) { 6118 sb.append(intent.getAction()); 6119 } else if (intent.getComponent() != null) { 6120 intent.getComponent().appendShortString(sb); 6121 } else { 6122 sb.append("?"); 6123 } 6124 return res.lastTag = sb.toString(); 6125 } 6126 } catch (ClassCastException e) { 6127 } 6128 return null; 6129 } 6130 6131 @Override 6132 public void setProcessLimit(int max) { 6133 enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, 6134 "setProcessLimit()"); 6135 synchronized (this) { 6136 mProcessLimit = max < 0 ? ProcessList.MAX_CACHED_APPS : max; 6137 mProcessLimitOverride = max; 6138 } 6139 trimApplications(); 6140 } 6141 6142 @Override 6143 public int getProcessLimit() { 6144 synchronized (this) { 6145 return mProcessLimitOverride; 6146 } 6147 } 6148 6149 void foregroundTokenDied(ForegroundToken token) { 6150 synchronized (ActivityManagerService.this) { 6151 synchronized (mPidsSelfLocked) { 6152 ForegroundToken cur 6153 = mForegroundProcesses.get(token.pid); 6154 if (cur != token) { 6155 return; 6156 } 6157 mForegroundProcesses.remove(token.pid); 6158 ProcessRecord pr = mPidsSelfLocked.get(token.pid); 6159 if (pr == null) { 6160 return; 6161 } 6162 pr.forcingToForeground = null; 6163 updateProcessForegroundLocked(pr, false, false); 6164 } 6165 updateOomAdjLocked(); 6166 } 6167 } 6168 6169 @Override 6170 public void setProcessForeground(IBinder token, int pid, boolean isForeground) { 6171 enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, 6172 "setProcessForeground()"); 6173 synchronized(this) { 6174 boolean changed = false; 6175 6176 synchronized (mPidsSelfLocked) { 6177 ProcessRecord pr = mPidsSelfLocked.get(pid); 6178 if (pr == null && isForeground) { 6179 Slog.w(TAG, "setProcessForeground called on unknown pid: " + pid); 6180 return; 6181 } 6182 ForegroundToken oldToken = mForegroundProcesses.get(pid); 6183 if (oldToken != null) { 6184 oldToken.token.unlinkToDeath(oldToken, 0); 6185 mForegroundProcesses.remove(pid); 6186 if (pr != null) { 6187 pr.forcingToForeground = null; 6188 } 6189 changed = true; 6190 } 6191 if (isForeground && token != null) { 6192 ForegroundToken newToken = new ForegroundToken() { 6193 @Override 6194 public void binderDied() { 6195 foregroundTokenDied(this); 6196 } 6197 }; 6198 newToken.pid = pid; 6199 newToken.token = token; 6200 try { 6201 token.linkToDeath(newToken, 0); 6202 mForegroundProcesses.put(pid, newToken); 6203 pr.forcingToForeground = token; 6204 changed = true; 6205 } catch (RemoteException e) { 6206 // If the process died while doing this, we will later 6207 // do the cleanup with the process death link. 6208 } 6209 } 6210 } 6211 6212 if (changed) { 6213 updateOomAdjLocked(); 6214 } 6215 } 6216 } 6217 6218 // ========================================================= 6219 // PERMISSIONS 6220 // ========================================================= 6221 6222 static class PermissionController extends IPermissionController.Stub { 6223 ActivityManagerService mActivityManagerService; 6224 PermissionController(ActivityManagerService activityManagerService) { 6225 mActivityManagerService = activityManagerService; 6226 } 6227 6228 @Override 6229 public boolean checkPermission(String permission, int pid, int uid) { 6230 return mActivityManagerService.checkPermission(permission, pid, 6231 uid) == PackageManager.PERMISSION_GRANTED; 6232 } 6233 } 6234 6235 class IntentFirewallInterface implements IntentFirewall.AMSInterface { 6236 @Override 6237 public int checkComponentPermission(String permission, int pid, int uid, 6238 int owningUid, boolean exported) { 6239 return ActivityManagerService.this.checkComponentPermission(permission, pid, uid, 6240 owningUid, exported); 6241 } 6242 6243 @Override 6244 public Object getAMSLock() { 6245 return ActivityManagerService.this; 6246 } 6247 } 6248 6249 /** 6250 * This can be called with or without the global lock held. 6251 */ 6252 int checkComponentPermission(String permission, int pid, int uid, 6253 int owningUid, boolean exported) { 6254 // We might be performing an operation on behalf of an indirect binder 6255 // invocation, e.g. via {@link #openContentUri}. Check and adjust the 6256 // client identity accordingly before proceeding. 6257 Identity tlsIdentity = sCallerIdentity.get(); 6258 if (tlsIdentity != null) { 6259 Slog.d(TAG, "checkComponentPermission() adjusting {pid,uid} to {" 6260 + tlsIdentity.pid + "," + tlsIdentity.uid + "}"); 6261 uid = tlsIdentity.uid; 6262 pid = tlsIdentity.pid; 6263 } 6264 6265 if (pid == MY_PID) { 6266 return PackageManager.PERMISSION_GRANTED; 6267 } 6268 6269 return ActivityManager.checkComponentPermission(permission, uid, 6270 owningUid, exported); 6271 } 6272 6273 /** 6274 * As the only public entry point for permissions checking, this method 6275 * can enforce the semantic that requesting a check on a null global 6276 * permission is automatically denied. (Internally a null permission 6277 * string is used when calling {@link #checkComponentPermission} in cases 6278 * when only uid-based security is needed.) 6279 * 6280 * This can be called with or without the global lock held. 6281 */ 6282 @Override 6283 public int checkPermission(String permission, int pid, int uid) { 6284 if (permission == null) { 6285 return PackageManager.PERMISSION_DENIED; 6286 } 6287 return checkComponentPermission(permission, pid, UserHandle.getAppId(uid), -1, true); 6288 } 6289 6290 /** 6291 * Binder IPC calls go through the public entry point. 6292 * This can be called with or without the global lock held. 6293 */ 6294 int checkCallingPermission(String permission) { 6295 return checkPermission(permission, 6296 Binder.getCallingPid(), 6297 UserHandle.getAppId(Binder.getCallingUid())); 6298 } 6299 6300 /** 6301 * This can be called with or without the global lock held. 6302 */ 6303 void enforceCallingPermission(String permission, String func) { 6304 if (checkCallingPermission(permission) 6305 == PackageManager.PERMISSION_GRANTED) { 6306 return; 6307 } 6308 6309 String msg = "Permission Denial: " + func + " from pid=" 6310 + Binder.getCallingPid() 6311 + ", uid=" + Binder.getCallingUid() 6312 + " requires " + permission; 6313 Slog.w(TAG, msg); 6314 throw new SecurityException(msg); 6315 } 6316 6317 /** 6318 * Determine if UID is holding permissions required to access {@link Uri} in 6319 * the given {@link ProviderInfo}. Final permission checking is always done 6320 * in {@link ContentProvider}. 6321 */ 6322 private final boolean checkHoldingPermissionsLocked( 6323 IPackageManager pm, ProviderInfo pi, GrantUri grantUri, int uid, final int modeFlags) { 6324 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6325 "checkHoldingPermissionsLocked: uri=" + grantUri + " uid=" + uid); 6326 if (UserHandle.getUserId(uid) != grantUri.sourceUserId) { 6327 if (ActivityManager.checkComponentPermission(INTERACT_ACROSS_USERS, uid, -1, true) 6328 != PERMISSION_GRANTED) { 6329 return false; 6330 } 6331 } 6332 return checkHoldingPermissionsInternalLocked(pm, pi, grantUri, uid, modeFlags, true); 6333 } 6334 6335 private final boolean checkHoldingPermissionsInternalLocked(IPackageManager pm, ProviderInfo pi, 6336 GrantUri grantUri, int uid, final int modeFlags, boolean considerUidPermissions) { 6337 if (pi.applicationInfo.uid == uid) { 6338 return true; 6339 } else if (!pi.exported) { 6340 return false; 6341 } 6342 6343 boolean readMet = (modeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) == 0; 6344 boolean writeMet = (modeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) == 0; 6345 try { 6346 // check if target holds top-level <provider> permissions 6347 if (!readMet && pi.readPermission != null && considerUidPermissions 6348 && (pm.checkUidPermission(pi.readPermission, uid) == PERMISSION_GRANTED)) { 6349 readMet = true; 6350 } 6351 if (!writeMet && pi.writePermission != null && considerUidPermissions 6352 && (pm.checkUidPermission(pi.writePermission, uid) == PERMISSION_GRANTED)) { 6353 writeMet = true; 6354 } 6355 6356 // track if unprotected read/write is allowed; any denied 6357 // <path-permission> below removes this ability 6358 boolean allowDefaultRead = pi.readPermission == null; 6359 boolean allowDefaultWrite = pi.writePermission == null; 6360 6361 // check if target holds any <path-permission> that match uri 6362 final PathPermission[] pps = pi.pathPermissions; 6363 if (pps != null) { 6364 final String path = grantUri.uri.getPath(); 6365 int i = pps.length; 6366 while (i > 0 && (!readMet || !writeMet)) { 6367 i--; 6368 PathPermission pp = pps[i]; 6369 if (pp.match(path)) { 6370 if (!readMet) { 6371 final String pprperm = pp.getReadPermission(); 6372 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking read perm for " 6373 + pprperm + " for " + pp.getPath() 6374 + ": match=" + pp.match(path) 6375 + " check=" + pm.checkUidPermission(pprperm, uid)); 6376 if (pprperm != null) { 6377 if (considerUidPermissions && pm.checkUidPermission(pprperm, uid) 6378 == PERMISSION_GRANTED) { 6379 readMet = true; 6380 } else { 6381 allowDefaultRead = false; 6382 } 6383 } 6384 } 6385 if (!writeMet) { 6386 final String ppwperm = pp.getWritePermission(); 6387 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking write perm " 6388 + ppwperm + " for " + pp.getPath() 6389 + ": match=" + pp.match(path) 6390 + " check=" + pm.checkUidPermission(ppwperm, uid)); 6391 if (ppwperm != null) { 6392 if (considerUidPermissions && pm.checkUidPermission(ppwperm, uid) 6393 == PERMISSION_GRANTED) { 6394 writeMet = true; 6395 } else { 6396 allowDefaultWrite = false; 6397 } 6398 } 6399 } 6400 } 6401 } 6402 } 6403 6404 // grant unprotected <provider> read/write, if not blocked by 6405 // <path-permission> above 6406 if (allowDefaultRead) readMet = true; 6407 if (allowDefaultWrite) writeMet = true; 6408 6409 } catch (RemoteException e) { 6410 return false; 6411 } 6412 6413 return readMet && writeMet; 6414 } 6415 6416 private ProviderInfo getProviderInfoLocked(String authority, int userHandle) { 6417 ProviderInfo pi = null; 6418 ContentProviderRecord cpr = mProviderMap.getProviderByName(authority, userHandle); 6419 if (cpr != null) { 6420 pi = cpr.info; 6421 } else { 6422 try { 6423 pi = AppGlobals.getPackageManager().resolveContentProvider( 6424 authority, PackageManager.GET_URI_PERMISSION_PATTERNS, userHandle); 6425 } catch (RemoteException ex) { 6426 } 6427 } 6428 return pi; 6429 } 6430 6431 private UriPermission findUriPermissionLocked(int targetUid, GrantUri grantUri) { 6432 final ArrayMap<GrantUri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); 6433 if (targetUris != null) { 6434 return targetUris.get(grantUri); 6435 } 6436 return null; 6437 } 6438 6439 private UriPermission findOrCreateUriPermissionLocked(String sourcePkg, 6440 String targetPkg, int targetUid, GrantUri grantUri) { 6441 ArrayMap<GrantUri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); 6442 if (targetUris == null) { 6443 targetUris = Maps.newArrayMap(); 6444 mGrantedUriPermissions.put(targetUid, targetUris); 6445 } 6446 6447 UriPermission perm = targetUris.get(grantUri); 6448 if (perm == null) { 6449 perm = new UriPermission(sourcePkg, targetPkg, targetUid, grantUri); 6450 targetUris.put(grantUri, perm); 6451 } 6452 6453 return perm; 6454 } 6455 6456 private final boolean checkUriPermissionLocked(GrantUri grantUri, int uid, 6457 final int modeFlags) { 6458 final boolean persistable = (modeFlags & Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION) != 0; 6459 final int minStrength = persistable ? UriPermission.STRENGTH_PERSISTABLE 6460 : UriPermission.STRENGTH_OWNED; 6461 6462 // Root gets to do everything. 6463 if (uid == 0) { 6464 return true; 6465 } 6466 6467 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(uid); 6468 if (perms == null) return false; 6469 6470 // First look for exact match 6471 final UriPermission exactPerm = perms.get(grantUri); 6472 if (exactPerm != null && exactPerm.getStrength(modeFlags) >= minStrength) { 6473 return true; 6474 } 6475 6476 // No exact match, look for prefixes 6477 final int N = perms.size(); 6478 for (int i = 0; i < N; i++) { 6479 final UriPermission perm = perms.valueAt(i); 6480 if (perm.uri.prefix && grantUri.uri.isPathPrefixMatch(perm.uri.uri) 6481 && perm.getStrength(modeFlags) >= minStrength) { 6482 return true; 6483 } 6484 } 6485 6486 return false; 6487 } 6488 6489 @Override 6490 public int checkUriPermission(Uri uri, int pid, int uid, 6491 final int modeFlags, int userId) { 6492 enforceNotIsolatedCaller("checkUriPermission"); 6493 6494 // Another redirected-binder-call permissions check as in 6495 // {@link checkComponentPermission}. 6496 Identity tlsIdentity = sCallerIdentity.get(); 6497 if (tlsIdentity != null) { 6498 uid = tlsIdentity.uid; 6499 pid = tlsIdentity.pid; 6500 } 6501 6502 // Our own process gets to do everything. 6503 if (pid == MY_PID) { 6504 return PackageManager.PERMISSION_GRANTED; 6505 } 6506 synchronized (this) { 6507 return checkUriPermissionLocked(new GrantUri(userId, uri, false), uid, modeFlags) 6508 ? PackageManager.PERMISSION_GRANTED 6509 : PackageManager.PERMISSION_DENIED; 6510 } 6511 } 6512 6513 /** 6514 * Check if the targetPkg can be granted permission to access uri by 6515 * the callingUid using the given modeFlags. Throws a security exception 6516 * if callingUid is not allowed to do this. Returns the uid of the target 6517 * if the URI permission grant should be performed; returns -1 if it is not 6518 * needed (for example targetPkg already has permission to access the URI). 6519 * If you already know the uid of the target, you can supply it in 6520 * lastTargetUid else set that to -1. 6521 */ 6522 int checkGrantUriPermissionLocked(int callingUid, String targetPkg, GrantUri grantUri, 6523 final int modeFlags, int lastTargetUid) { 6524 if (!Intent.isAccessUriMode(modeFlags)) { 6525 return -1; 6526 } 6527 6528 if (targetPkg != null) { 6529 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6530 "Checking grant " + targetPkg + " permission to " + grantUri); 6531 } 6532 6533 final IPackageManager pm = AppGlobals.getPackageManager(); 6534 6535 // If this is not a content: uri, we can't do anything with it. 6536 if (!ContentResolver.SCHEME_CONTENT.equals(grantUri.uri.getScheme())) { 6537 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6538 "Can't grant URI permission for non-content URI: " + grantUri); 6539 return -1; 6540 } 6541 6542 final String authority = grantUri.uri.getAuthority(); 6543 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 6544 if (pi == null) { 6545 Slog.w(TAG, "No content provider found for permission check: " + 6546 grantUri.uri.toSafeString()); 6547 return -1; 6548 } 6549 6550 int targetUid = lastTargetUid; 6551 if (targetUid < 0 && targetPkg != null) { 6552 try { 6553 targetUid = pm.getPackageUid(targetPkg, UserHandle.getUserId(callingUid)); 6554 if (targetUid < 0) { 6555 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6556 "Can't grant URI permission no uid for: " + targetPkg); 6557 return -1; 6558 } 6559 } catch (RemoteException ex) { 6560 return -1; 6561 } 6562 } 6563 6564 if (targetUid >= 0) { 6565 // First... does the target actually need this permission? 6566 if (checkHoldingPermissionsLocked(pm, pi, grantUri, targetUid, modeFlags)) { 6567 // No need to grant the target this permission. 6568 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6569 "Target " + targetPkg + " already has full permission to " + grantUri); 6570 return -1; 6571 } 6572 } else { 6573 // First... there is no target package, so can anyone access it? 6574 boolean allowed = pi.exported; 6575 if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { 6576 if (pi.readPermission != null) { 6577 allowed = false; 6578 } 6579 } 6580 if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { 6581 if (pi.writePermission != null) { 6582 allowed = false; 6583 } 6584 } 6585 if (allowed) { 6586 return -1; 6587 } 6588 } 6589 6590 /* There is a special cross user grant if: 6591 * - The target is on another user. 6592 * - Apps on the current user can access the uri without any uid permissions. 6593 * In this case, we grant a uri permission, even if the ContentProvider does not normally 6594 * grant uri permissions. 6595 */ 6596 boolean specialCrossUserGrant = UserHandle.getUserId(targetUid) != grantUri.sourceUserId 6597 && checkHoldingPermissionsInternalLocked(pm, pi, grantUri, callingUid, 6598 modeFlags, false /*without considering the uid permissions*/); 6599 6600 // Second... is the provider allowing granting of URI permissions? 6601 if (!specialCrossUserGrant) { 6602 if (!pi.grantUriPermissions) { 6603 throw new SecurityException("Provider " + pi.packageName 6604 + "/" + pi.name 6605 + " does not allow granting of Uri permissions (uri " 6606 + grantUri + ")"); 6607 } 6608 if (pi.uriPermissionPatterns != null) { 6609 final int N = pi.uriPermissionPatterns.length; 6610 boolean allowed = false; 6611 for (int i=0; i<N; i++) { 6612 if (pi.uriPermissionPatterns[i] != null 6613 && pi.uriPermissionPatterns[i].match(grantUri.uri.getPath())) { 6614 allowed = true; 6615 break; 6616 } 6617 } 6618 if (!allowed) { 6619 throw new SecurityException("Provider " + pi.packageName 6620 + "/" + pi.name 6621 + " does not allow granting of permission to path of Uri " 6622 + grantUri); 6623 } 6624 } 6625 } 6626 6627 // Third... does the caller itself have permission to access 6628 // this uri? 6629 if (UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { 6630 if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) { 6631 // Require they hold a strong enough Uri permission 6632 if (!checkUriPermissionLocked(grantUri, callingUid, modeFlags)) { 6633 throw new SecurityException("Uid " + callingUid 6634 + " does not have permission to uri " + grantUri); 6635 } 6636 } 6637 } 6638 return targetUid; 6639 } 6640 6641 @Override 6642 public int checkGrantUriPermission(int callingUid, String targetPkg, Uri uri, 6643 final int modeFlags, int userId) { 6644 enforceNotIsolatedCaller("checkGrantUriPermission"); 6645 synchronized(this) { 6646 return checkGrantUriPermissionLocked(callingUid, targetPkg, 6647 new GrantUri(userId, uri, false), modeFlags, -1); 6648 } 6649 } 6650 6651 void grantUriPermissionUncheckedLocked(int targetUid, String targetPkg, GrantUri grantUri, 6652 final int modeFlags, UriPermissionOwner owner) { 6653 if (!Intent.isAccessUriMode(modeFlags)) { 6654 return; 6655 } 6656 6657 // So here we are: the caller has the assumed permission 6658 // to the uri, and the target doesn't. Let's now give this to 6659 // the target. 6660 6661 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6662 "Granting " + targetPkg + "/" + targetUid + " permission to " + grantUri); 6663 6664 final String authority = grantUri.uri.getAuthority(); 6665 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 6666 if (pi == null) { 6667 Slog.w(TAG, "No content provider found for grant: " + grantUri.toSafeString()); 6668 return; 6669 } 6670 6671 if ((modeFlags & Intent.FLAG_GRANT_PREFIX_URI_PERMISSION) != 0) { 6672 grantUri.prefix = true; 6673 } 6674 final UriPermission perm = findOrCreateUriPermissionLocked( 6675 pi.packageName, targetPkg, targetUid, grantUri); 6676 perm.grantModes(modeFlags, owner); 6677 } 6678 6679 void grantUriPermissionLocked(int callingUid, String targetPkg, GrantUri grantUri, 6680 final int modeFlags, UriPermissionOwner owner, int targetUserId) { 6681 if (targetPkg == null) { 6682 throw new NullPointerException("targetPkg"); 6683 } 6684 int targetUid; 6685 final IPackageManager pm = AppGlobals.getPackageManager(); 6686 try { 6687 targetUid = pm.getPackageUid(targetPkg, targetUserId); 6688 } catch (RemoteException ex) { 6689 return; 6690 } 6691 6692 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, modeFlags, 6693 targetUid); 6694 if (targetUid < 0) { 6695 return; 6696 } 6697 6698 grantUriPermissionUncheckedLocked(targetUid, targetPkg, grantUri, modeFlags, 6699 owner); 6700 } 6701 6702 static class NeededUriGrants extends ArrayList<GrantUri> { 6703 final String targetPkg; 6704 final int targetUid; 6705 final int flags; 6706 6707 NeededUriGrants(String targetPkg, int targetUid, int flags) { 6708 this.targetPkg = targetPkg; 6709 this.targetUid = targetUid; 6710 this.flags = flags; 6711 } 6712 } 6713 6714 /** 6715 * Like checkGrantUriPermissionLocked, but takes an Intent. 6716 */ 6717 NeededUriGrants checkGrantUriPermissionFromIntentLocked(int callingUid, 6718 String targetPkg, Intent intent, int mode, NeededUriGrants needed, int targetUserId) { 6719 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6720 "Checking URI perm to data=" + (intent != null ? intent.getData() : null) 6721 + " clip=" + (intent != null ? intent.getClipData() : null) 6722 + " from " + intent + "; flags=0x" 6723 + Integer.toHexString(intent != null ? intent.getFlags() : 0)); 6724 6725 if (targetPkg == null) { 6726 throw new NullPointerException("targetPkg"); 6727 } 6728 6729 if (intent == null) { 6730 return null; 6731 } 6732 Uri data = intent.getData(); 6733 ClipData clip = intent.getClipData(); 6734 if (data == null && clip == null) { 6735 return null; 6736 } 6737 // Default userId for uris in the intent (if they don't specify it themselves) 6738 int contentUserHint = intent.getContentUserHint(); 6739 if (contentUserHint == UserHandle.USER_CURRENT) { 6740 contentUserHint = UserHandle.getUserId(callingUid); 6741 } 6742 final IPackageManager pm = AppGlobals.getPackageManager(); 6743 int targetUid; 6744 if (needed != null) { 6745 targetUid = needed.targetUid; 6746 } else { 6747 try { 6748 targetUid = pm.getPackageUid(targetPkg, targetUserId); 6749 } catch (RemoteException ex) { 6750 return null; 6751 } 6752 if (targetUid < 0) { 6753 if (DEBUG_URI_PERMISSION) { 6754 Slog.v(TAG, "Can't grant URI permission no uid for: " + targetPkg 6755 + " on user " + targetUserId); 6756 } 6757 return null; 6758 } 6759 } 6760 if (data != null) { 6761 GrantUri grantUri = GrantUri.resolve(contentUserHint, data); 6762 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode, 6763 targetUid); 6764 if (targetUid > 0) { 6765 if (needed == null) { 6766 needed = new NeededUriGrants(targetPkg, targetUid, mode); 6767 } 6768 needed.add(grantUri); 6769 } 6770 } 6771 if (clip != null) { 6772 for (int i=0; i<clip.getItemCount(); i++) { 6773 Uri uri = clip.getItemAt(i).getUri(); 6774 if (uri != null) { 6775 GrantUri grantUri = GrantUri.resolve(contentUserHint, uri); 6776 targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, grantUri, mode, 6777 targetUid); 6778 if (targetUid > 0) { 6779 if (needed == null) { 6780 needed = new NeededUriGrants(targetPkg, targetUid, mode); 6781 } 6782 needed.add(grantUri); 6783 } 6784 } else { 6785 Intent clipIntent = clip.getItemAt(i).getIntent(); 6786 if (clipIntent != null) { 6787 NeededUriGrants newNeeded = checkGrantUriPermissionFromIntentLocked( 6788 callingUid, targetPkg, clipIntent, mode, needed, targetUserId); 6789 if (newNeeded != null) { 6790 needed = newNeeded; 6791 } 6792 } 6793 } 6794 } 6795 } 6796 6797 return needed; 6798 } 6799 6800 /** 6801 * Like grantUriPermissionUncheckedLocked, but takes an Intent. 6802 */ 6803 void grantUriPermissionUncheckedFromIntentLocked(NeededUriGrants needed, 6804 UriPermissionOwner owner) { 6805 if (needed != null) { 6806 for (int i=0; i<needed.size(); i++) { 6807 GrantUri grantUri = needed.get(i); 6808 grantUriPermissionUncheckedLocked(needed.targetUid, needed.targetPkg, 6809 grantUri, needed.flags, owner); 6810 } 6811 } 6812 } 6813 6814 void grantUriPermissionFromIntentLocked(int callingUid, 6815 String targetPkg, Intent intent, UriPermissionOwner owner, int targetUserId) { 6816 NeededUriGrants needed = checkGrantUriPermissionFromIntentLocked(callingUid, targetPkg, 6817 intent, intent != null ? intent.getFlags() : 0, null, targetUserId); 6818 if (needed == null) { 6819 return; 6820 } 6821 6822 grantUriPermissionUncheckedFromIntentLocked(needed, owner); 6823 } 6824 6825 @Override 6826 public void grantUriPermission(IApplicationThread caller, String targetPkg, Uri uri, 6827 final int modeFlags, int userId) { 6828 enforceNotIsolatedCaller("grantUriPermission"); 6829 GrantUri grantUri = new GrantUri(userId, uri, false); 6830 synchronized(this) { 6831 final ProcessRecord r = getRecordForAppLocked(caller); 6832 if (r == null) { 6833 throw new SecurityException("Unable to find app for caller " 6834 + caller 6835 + " when granting permission to uri " + grantUri); 6836 } 6837 if (targetPkg == null) { 6838 throw new IllegalArgumentException("null target"); 6839 } 6840 if (grantUri == null) { 6841 throw new IllegalArgumentException("null uri"); 6842 } 6843 6844 Preconditions.checkFlagsArgument(modeFlags, Intent.FLAG_GRANT_READ_URI_PERMISSION 6845 | Intent.FLAG_GRANT_WRITE_URI_PERMISSION 6846 | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION 6847 | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION); 6848 6849 grantUriPermissionLocked(r.uid, targetPkg, grantUri, modeFlags, null, 6850 UserHandle.getUserId(r.uid)); 6851 } 6852 } 6853 6854 void removeUriPermissionIfNeededLocked(UriPermission perm) { 6855 if (perm.modeFlags == 0) { 6856 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get( 6857 perm.targetUid); 6858 if (perms != null) { 6859 if (DEBUG_URI_PERMISSION) Slog.v(TAG, 6860 "Removing " + perm.targetUid + " permission to " + perm.uri); 6861 6862 perms.remove(perm.uri); 6863 if (perms.isEmpty()) { 6864 mGrantedUriPermissions.remove(perm.targetUid); 6865 } 6866 } 6867 } 6868 } 6869 6870 private void revokeUriPermissionLocked(int callingUid, GrantUri grantUri, final int modeFlags) { 6871 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Revoking all granted permissions to " + grantUri); 6872 6873 final IPackageManager pm = AppGlobals.getPackageManager(); 6874 final String authority = grantUri.uri.getAuthority(); 6875 final ProviderInfo pi = getProviderInfoLocked(authority, grantUri.sourceUserId); 6876 if (pi == null) { 6877 Slog.w(TAG, "No content provider found for permission revoke: " 6878 + grantUri.toSafeString()); 6879 return; 6880 } 6881 6882 // Does the caller have this permission on the URI? 6883 if (!checkHoldingPermissionsLocked(pm, pi, grantUri, callingUid, modeFlags)) { 6884 // Right now, if you are not the original owner of the permission, 6885 // you are not allowed to revoke it. 6886 //if (!checkUriPermissionLocked(uri, callingUid, modeFlags)) { 6887 throw new SecurityException("Uid " + callingUid 6888 + " does not have permission to uri " + grantUri); 6889 //} 6890 } 6891 6892 boolean persistChanged = false; 6893 6894 // Go through all of the permissions and remove any that match. 6895 int N = mGrantedUriPermissions.size(); 6896 for (int i = 0; i < N; i++) { 6897 final int targetUid = mGrantedUriPermissions.keyAt(i); 6898 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 6899 6900 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 6901 final UriPermission perm = it.next(); 6902 if (perm.uri.sourceUserId == grantUri.sourceUserId 6903 && perm.uri.uri.isPathPrefixMatch(grantUri.uri)) { 6904 if (DEBUG_URI_PERMISSION) 6905 Slog.v(TAG, 6906 "Revoking " + perm.targetUid + " permission to " + perm.uri); 6907 persistChanged |= perm.revokeModes( 6908 modeFlags | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 6909 if (perm.modeFlags == 0) { 6910 it.remove(); 6911 } 6912 } 6913 } 6914 6915 if (perms.isEmpty()) { 6916 mGrantedUriPermissions.remove(targetUid); 6917 N--; 6918 i--; 6919 } 6920 } 6921 6922 if (persistChanged) { 6923 schedulePersistUriGrants(); 6924 } 6925 } 6926 6927 @Override 6928 public void revokeUriPermission(IApplicationThread caller, Uri uri, final int modeFlags, 6929 int userId) { 6930 enforceNotIsolatedCaller("revokeUriPermission"); 6931 synchronized(this) { 6932 final ProcessRecord r = getRecordForAppLocked(caller); 6933 if (r == null) { 6934 throw new SecurityException("Unable to find app for caller " 6935 + caller 6936 + " when revoking permission to uri " + uri); 6937 } 6938 if (uri == null) { 6939 Slog.w(TAG, "revokeUriPermission: null uri"); 6940 return; 6941 } 6942 6943 if (!Intent.isAccessUriMode(modeFlags)) { 6944 return; 6945 } 6946 6947 final IPackageManager pm = AppGlobals.getPackageManager(); 6948 final String authority = uri.getAuthority(); 6949 final ProviderInfo pi = getProviderInfoLocked(authority, userId); 6950 if (pi == null) { 6951 Slog.w(TAG, "No content provider found for permission revoke: " 6952 + uri.toSafeString()); 6953 return; 6954 } 6955 6956 revokeUriPermissionLocked(r.uid, new GrantUri(userId, uri, false), modeFlags); 6957 } 6958 } 6959 6960 /** 6961 * Remove any {@link UriPermission} granted <em>from</em> or <em>to</em> the 6962 * given package. 6963 * 6964 * @param packageName Package name to match, or {@code null} to apply to all 6965 * packages. 6966 * @param userHandle User to match, or {@link UserHandle#USER_ALL} to apply 6967 * to all users. 6968 * @param persistable If persistable grants should be removed. 6969 */ 6970 private void removeUriPermissionsForPackageLocked( 6971 String packageName, int userHandle, boolean persistable) { 6972 if (userHandle == UserHandle.USER_ALL && packageName == null) { 6973 throw new IllegalArgumentException("Must narrow by either package or user"); 6974 } 6975 6976 boolean persistChanged = false; 6977 6978 int N = mGrantedUriPermissions.size(); 6979 for (int i = 0; i < N; i++) { 6980 final int targetUid = mGrantedUriPermissions.keyAt(i); 6981 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 6982 6983 // Only inspect grants matching user 6984 if (userHandle == UserHandle.USER_ALL 6985 || userHandle == UserHandle.getUserId(targetUid)) { 6986 for (Iterator<UriPermission> it = perms.values().iterator(); it.hasNext();) { 6987 final UriPermission perm = it.next(); 6988 6989 // Only inspect grants matching package 6990 if (packageName == null || perm.sourcePkg.equals(packageName) 6991 || perm.targetPkg.equals(packageName)) { 6992 persistChanged |= perm.revokeModes( 6993 persistable ? ~0 : ~Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION); 6994 6995 // Only remove when no modes remain; any persisted grants 6996 // will keep this alive. 6997 if (perm.modeFlags == 0) { 6998 it.remove(); 6999 } 7000 } 7001 } 7002 7003 if (perms.isEmpty()) { 7004 mGrantedUriPermissions.remove(targetUid); 7005 N--; 7006 i--; 7007 } 7008 } 7009 } 7010 7011 if (persistChanged) { 7012 schedulePersistUriGrants(); 7013 } 7014 } 7015 7016 @Override 7017 public IBinder newUriPermissionOwner(String name) { 7018 enforceNotIsolatedCaller("newUriPermissionOwner"); 7019 synchronized(this) { 7020 UriPermissionOwner owner = new UriPermissionOwner(this, name); 7021 return owner.getExternalTokenLocked(); 7022 } 7023 } 7024 7025 @Override 7026 public void grantUriPermissionFromOwner(IBinder token, int fromUid, String targetPkg, Uri uri, 7027 final int modeFlags, int sourceUserId, int targetUserId) { 7028 synchronized(this) { 7029 UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); 7030 if (owner == null) { 7031 throw new IllegalArgumentException("Unknown owner: " + token); 7032 } 7033 if (fromUid != Binder.getCallingUid()) { 7034 if (Binder.getCallingUid() != Process.myUid()) { 7035 // Only system code can grant URI permissions on behalf 7036 // of other users. 7037 throw new SecurityException("nice try"); 7038 } 7039 } 7040 if (targetPkg == null) { 7041 throw new IllegalArgumentException("null target"); 7042 } 7043 if (uri == null) { 7044 throw new IllegalArgumentException("null uri"); 7045 } 7046 7047 grantUriPermissionLocked(fromUid, targetPkg, new GrantUri(sourceUserId, uri, false), 7048 modeFlags, owner, targetUserId); 7049 } 7050 } 7051 7052 @Override 7053 public void revokeUriPermissionFromOwner(IBinder token, Uri uri, int mode, int userId) { 7054 synchronized(this) { 7055 UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); 7056 if (owner == null) { 7057 throw new IllegalArgumentException("Unknown owner: " + token); 7058 } 7059 7060 if (uri == null) { 7061 owner.removeUriPermissionsLocked(mode); 7062 } else { 7063 owner.removeUriPermissionLocked(new GrantUri(userId, uri, false), mode); 7064 } 7065 } 7066 } 7067 7068 private void schedulePersistUriGrants() { 7069 if (!mHandler.hasMessages(PERSIST_URI_GRANTS_MSG)) { 7070 mHandler.sendMessageDelayed(mHandler.obtainMessage(PERSIST_URI_GRANTS_MSG), 7071 10 * DateUtils.SECOND_IN_MILLIS); 7072 } 7073 } 7074 7075 private void writeGrantedUriPermissions() { 7076 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "writeGrantedUriPermissions()"); 7077 7078 // Snapshot permissions so we can persist without lock 7079 ArrayList<UriPermission.Snapshot> persist = Lists.newArrayList(); 7080 synchronized (this) { 7081 final int size = mGrantedUriPermissions.size(); 7082 for (int i = 0; i < size; i++) { 7083 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 7084 for (UriPermission perm : perms.values()) { 7085 if (perm.persistedModeFlags != 0) { 7086 persist.add(perm.snapshot()); 7087 } 7088 } 7089 } 7090 } 7091 7092 FileOutputStream fos = null; 7093 try { 7094 fos = mGrantFile.startWrite(); 7095 7096 XmlSerializer out = new FastXmlSerializer(); 7097 out.setOutput(fos, "utf-8"); 7098 out.startDocument(null, true); 7099 out.startTag(null, TAG_URI_GRANTS); 7100 for (UriPermission.Snapshot perm : persist) { 7101 out.startTag(null, TAG_URI_GRANT); 7102 writeIntAttribute(out, ATTR_SOURCE_USER_ID, perm.uri.sourceUserId); 7103 writeIntAttribute(out, ATTR_TARGET_USER_ID, perm.targetUserId); 7104 out.attribute(null, ATTR_SOURCE_PKG, perm.sourcePkg); 7105 out.attribute(null, ATTR_TARGET_PKG, perm.targetPkg); 7106 out.attribute(null, ATTR_URI, String.valueOf(perm.uri.uri)); 7107 writeBooleanAttribute(out, ATTR_PREFIX, perm.uri.prefix); 7108 writeIntAttribute(out, ATTR_MODE_FLAGS, perm.persistedModeFlags); 7109 writeLongAttribute(out, ATTR_CREATED_TIME, perm.persistedCreateTime); 7110 out.endTag(null, TAG_URI_GRANT); 7111 } 7112 out.endTag(null, TAG_URI_GRANTS); 7113 out.endDocument(); 7114 7115 mGrantFile.finishWrite(fos); 7116 } catch (IOException e) { 7117 if (fos != null) { 7118 mGrantFile.failWrite(fos); 7119 } 7120 } 7121 } 7122 7123 private void readGrantedUriPermissionsLocked() { 7124 if (DEBUG_URI_PERMISSION) Slog.v(TAG, "readGrantedUriPermissions()"); 7125 7126 final long now = System.currentTimeMillis(); 7127 7128 FileInputStream fis = null; 7129 try { 7130 fis = mGrantFile.openRead(); 7131 final XmlPullParser in = Xml.newPullParser(); 7132 in.setInput(fis, null); 7133 7134 int type; 7135 while ((type = in.next()) != END_DOCUMENT) { 7136 final String tag = in.getName(); 7137 if (type == START_TAG) { 7138 if (TAG_URI_GRANT.equals(tag)) { 7139 final int sourceUserId; 7140 final int targetUserId; 7141 final int userHandle = readIntAttribute(in, 7142 ATTR_USER_HANDLE, UserHandle.USER_NULL); 7143 if (userHandle != UserHandle.USER_NULL) { 7144 // For backwards compatibility. 7145 sourceUserId = userHandle; 7146 targetUserId = userHandle; 7147 } else { 7148 sourceUserId = readIntAttribute(in, ATTR_SOURCE_USER_ID); 7149 targetUserId = readIntAttribute(in, ATTR_TARGET_USER_ID); 7150 } 7151 final String sourcePkg = in.getAttributeValue(null, ATTR_SOURCE_PKG); 7152 final String targetPkg = in.getAttributeValue(null, ATTR_TARGET_PKG); 7153 final Uri uri = Uri.parse(in.getAttributeValue(null, ATTR_URI)); 7154 final boolean prefix = readBooleanAttribute(in, ATTR_PREFIX); 7155 final int modeFlags = readIntAttribute(in, ATTR_MODE_FLAGS); 7156 final long createdTime = readLongAttribute(in, ATTR_CREATED_TIME, now); 7157 7158 // Sanity check that provider still belongs to source package 7159 final ProviderInfo pi = getProviderInfoLocked( 7160 uri.getAuthority(), sourceUserId); 7161 if (pi != null && sourcePkg.equals(pi.packageName)) { 7162 int targetUid = -1; 7163 try { 7164 targetUid = AppGlobals.getPackageManager() 7165 .getPackageUid(targetPkg, targetUserId); 7166 } catch (RemoteException e) { 7167 } 7168 if (targetUid != -1) { 7169 final UriPermission perm = findOrCreateUriPermissionLocked( 7170 sourcePkg, targetPkg, targetUid, 7171 new GrantUri(sourceUserId, uri, prefix)); 7172 perm.initPersistedModes(modeFlags, createdTime); 7173 } 7174 } else { 7175 Slog.w(TAG, "Persisted grant for " + uri + " had source " + sourcePkg 7176 + " but instead found " + pi); 7177 } 7178 } 7179 } 7180 } 7181 } catch (FileNotFoundException e) { 7182 // Missing grants is okay 7183 } catch (IOException e) { 7184 Log.wtf(TAG, "Failed reading Uri grants", e); 7185 } catch (XmlPullParserException e) { 7186 Log.wtf(TAG, "Failed reading Uri grants", e); 7187 } finally { 7188 IoUtils.closeQuietly(fis); 7189 } 7190 } 7191 7192 @Override 7193 public void takePersistableUriPermission(Uri uri, final int modeFlags, int userId) { 7194 enforceNotIsolatedCaller("takePersistableUriPermission"); 7195 7196 Preconditions.checkFlagsArgument(modeFlags, 7197 Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); 7198 7199 synchronized (this) { 7200 final int callingUid = Binder.getCallingUid(); 7201 boolean persistChanged = false; 7202 GrantUri grantUri = new GrantUri(userId, uri, false); 7203 7204 UriPermission exactPerm = findUriPermissionLocked(callingUid, 7205 new GrantUri(userId, uri, false)); 7206 UriPermission prefixPerm = findUriPermissionLocked(callingUid, 7207 new GrantUri(userId, uri, true)); 7208 7209 final boolean exactValid = (exactPerm != null) 7210 && ((modeFlags & exactPerm.persistableModeFlags) == modeFlags); 7211 final boolean prefixValid = (prefixPerm != null) 7212 && ((modeFlags & prefixPerm.persistableModeFlags) == modeFlags); 7213 7214 if (!(exactValid || prefixValid)) { 7215 throw new SecurityException("No persistable permission grants found for UID " 7216 + callingUid + " and Uri " + grantUri.toSafeString()); 7217 } 7218 7219 if (exactValid) { 7220 persistChanged |= exactPerm.takePersistableModes(modeFlags); 7221 } 7222 if (prefixValid) { 7223 persistChanged |= prefixPerm.takePersistableModes(modeFlags); 7224 } 7225 7226 persistChanged |= maybePrunePersistedUriGrantsLocked(callingUid); 7227 7228 if (persistChanged) { 7229 schedulePersistUriGrants(); 7230 } 7231 } 7232 } 7233 7234 @Override 7235 public void releasePersistableUriPermission(Uri uri, final int modeFlags, int userId) { 7236 enforceNotIsolatedCaller("releasePersistableUriPermission"); 7237 7238 Preconditions.checkFlagsArgument(modeFlags, 7239 Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); 7240 7241 synchronized (this) { 7242 final int callingUid = Binder.getCallingUid(); 7243 boolean persistChanged = false; 7244 7245 UriPermission exactPerm = findUriPermissionLocked(callingUid, 7246 new GrantUri(userId, uri, false)); 7247 UriPermission prefixPerm = findUriPermissionLocked(callingUid, 7248 new GrantUri(userId, uri, true)); 7249 if (exactPerm == null && prefixPerm == null) { 7250 throw new SecurityException("No permission grants found for UID " + callingUid 7251 + " and Uri " + uri.toSafeString()); 7252 } 7253 7254 if (exactPerm != null) { 7255 persistChanged |= exactPerm.releasePersistableModes(modeFlags); 7256 removeUriPermissionIfNeededLocked(exactPerm); 7257 } 7258 if (prefixPerm != null) { 7259 persistChanged |= prefixPerm.releasePersistableModes(modeFlags); 7260 removeUriPermissionIfNeededLocked(prefixPerm); 7261 } 7262 7263 if (persistChanged) { 7264 schedulePersistUriGrants(); 7265 } 7266 } 7267 } 7268 7269 /** 7270 * Prune any older {@link UriPermission} for the given UID until outstanding 7271 * persisted grants are below {@link #MAX_PERSISTED_URI_GRANTS}. 7272 * 7273 * @return if any mutations occured that require persisting. 7274 */ 7275 private boolean maybePrunePersistedUriGrantsLocked(int uid) { 7276 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(uid); 7277 if (perms == null) return false; 7278 if (perms.size() < MAX_PERSISTED_URI_GRANTS) return false; 7279 7280 final ArrayList<UriPermission> persisted = Lists.newArrayList(); 7281 for (UriPermission perm : perms.values()) { 7282 if (perm.persistedModeFlags != 0) { 7283 persisted.add(perm); 7284 } 7285 } 7286 7287 final int trimCount = persisted.size() - MAX_PERSISTED_URI_GRANTS; 7288 if (trimCount <= 0) return false; 7289 7290 Collections.sort(persisted, new UriPermission.PersistedTimeComparator()); 7291 for (int i = 0; i < trimCount; i++) { 7292 final UriPermission perm = persisted.get(i); 7293 7294 if (DEBUG_URI_PERMISSION) { 7295 Slog.v(TAG, "Trimming grant created at " + perm.persistedCreateTime); 7296 } 7297 7298 perm.releasePersistableModes(~0); 7299 removeUriPermissionIfNeededLocked(perm); 7300 } 7301 7302 return true; 7303 } 7304 7305 @Override 7306 public ParceledListSlice<android.content.UriPermission> getPersistedUriPermissions( 7307 String packageName, boolean incoming) { 7308 enforceNotIsolatedCaller("getPersistedUriPermissions"); 7309 Preconditions.checkNotNull(packageName, "packageName"); 7310 7311 final int callingUid = Binder.getCallingUid(); 7312 final IPackageManager pm = AppGlobals.getPackageManager(); 7313 try { 7314 final int packageUid = pm.getPackageUid(packageName, UserHandle.getUserId(callingUid)); 7315 if (packageUid != callingUid) { 7316 throw new SecurityException( 7317 "Package " + packageName + " does not belong to calling UID " + callingUid); 7318 } 7319 } catch (RemoteException e) { 7320 throw new SecurityException("Failed to verify package name ownership"); 7321 } 7322 7323 final ArrayList<android.content.UriPermission> result = Lists.newArrayList(); 7324 synchronized (this) { 7325 if (incoming) { 7326 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get( 7327 callingUid); 7328 if (perms == null) { 7329 Slog.w(TAG, "No permission grants found for " + packageName); 7330 } else { 7331 for (UriPermission perm : perms.values()) { 7332 if (packageName.equals(perm.targetPkg) && perm.persistedModeFlags != 0) { 7333 result.add(perm.buildPersistedPublicApiObject()); 7334 } 7335 } 7336 } 7337 } else { 7338 final int size = mGrantedUriPermissions.size(); 7339 for (int i = 0; i < size; i++) { 7340 final ArrayMap<GrantUri, UriPermission> perms = 7341 mGrantedUriPermissions.valueAt(i); 7342 for (UriPermission perm : perms.values()) { 7343 if (packageName.equals(perm.sourcePkg) && perm.persistedModeFlags != 0) { 7344 result.add(perm.buildPersistedPublicApiObject()); 7345 } 7346 } 7347 } 7348 } 7349 } 7350 return new ParceledListSlice<android.content.UriPermission>(result); 7351 } 7352 7353 @Override 7354 public void showWaitingForDebugger(IApplicationThread who, boolean waiting) { 7355 synchronized (this) { 7356 ProcessRecord app = 7357 who != null ? getRecordForAppLocked(who) : null; 7358 if (app == null) return; 7359 7360 Message msg = Message.obtain(); 7361 msg.what = WAIT_FOR_DEBUGGER_MSG; 7362 msg.obj = app; 7363 msg.arg1 = waiting ? 1 : 0; 7364 mHandler.sendMessage(msg); 7365 } 7366 } 7367 7368 @Override 7369 public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) { 7370 final long homeAppMem = mProcessList.getMemLevel(ProcessList.HOME_APP_ADJ); 7371 final long cachedAppMem = mProcessList.getMemLevel(ProcessList.CACHED_APP_MIN_ADJ); 7372 outInfo.availMem = Process.getFreeMemory(); 7373 outInfo.totalMem = Process.getTotalMemory(); 7374 outInfo.threshold = homeAppMem; 7375 outInfo.lowMemory = outInfo.availMem < (homeAppMem + ((cachedAppMem-homeAppMem)/2)); 7376 outInfo.hiddenAppThreshold = cachedAppMem; 7377 outInfo.secondaryServerThreshold = mProcessList.getMemLevel( 7378 ProcessList.SERVICE_ADJ); 7379 outInfo.visibleAppThreshold = mProcessList.getMemLevel( 7380 ProcessList.VISIBLE_APP_ADJ); 7381 outInfo.foregroundAppThreshold = mProcessList.getMemLevel( 7382 ProcessList.FOREGROUND_APP_ADJ); 7383 } 7384 7385 // ========================================================= 7386 // TASK MANAGEMENT 7387 // ========================================================= 7388 7389 @Override 7390 public List<IAppTask> getAppTasks() { 7391 final PackageManager pm = mContext.getPackageManager(); 7392 int callingUid = Binder.getCallingUid(); 7393 long ident = Binder.clearCallingIdentity(); 7394 7395 // Compose the list of packages for this id to test against 7396 HashSet<String> packages = new HashSet<String>(); 7397 String[] uidPackages = pm.getPackagesForUid(callingUid); 7398 for (int i = 0; i < uidPackages.length; i++) { 7399 packages.add(uidPackages[i]); 7400 } 7401 7402 synchronized(this) { 7403 ArrayList<IAppTask> list = new ArrayList<IAppTask>(); 7404 try { 7405 if (localLOGV) Slog.v(TAG, "getAppTasks"); 7406 7407 final int N = mRecentTasks.size(); 7408 for (int i = 0; i < N; i++) { 7409 TaskRecord tr = mRecentTasks.get(i); 7410 // Skip tasks that are not created by the caller 7411 if (packages.contains(tr.getBaseIntent().getComponent().getPackageName())) { 7412 ActivityManager.RecentTaskInfo taskInfo = 7413 createRecentTaskInfoFromTaskRecord(tr); 7414 AppTaskImpl taskImpl = new AppTaskImpl(taskInfo.persistentId, callingUid); 7415 list.add(taskImpl); 7416 } 7417 } 7418 } finally { 7419 Binder.restoreCallingIdentity(ident); 7420 } 7421 return list; 7422 } 7423 } 7424 7425 @Override 7426 public List<RunningTaskInfo> getTasks(int maxNum, int flags) { 7427 final int callingUid = Binder.getCallingUid(); 7428 ArrayList<RunningTaskInfo> list = new ArrayList<RunningTaskInfo>(); 7429 7430 synchronized(this) { 7431 if (localLOGV) Slog.v( 7432 TAG, "getTasks: max=" + maxNum + ", flags=" + flags); 7433 7434 final boolean allowed = checkCallingPermission( 7435 android.Manifest.permission.GET_TASKS) 7436 == PackageManager.PERMISSION_GRANTED; 7437 if (!allowed) { 7438 Slog.w(TAG, "getTasks: caller " + callingUid 7439 + " does not hold GET_TASKS; limiting output"); 7440 } 7441 7442 // TODO: Improve with MRU list from all ActivityStacks. 7443 mStackSupervisor.getTasksLocked(maxNum, list, callingUid, allowed); 7444 } 7445 7446 return list; 7447 } 7448 7449 TaskRecord getMostRecentTask() { 7450 return mRecentTasks.get(0); 7451 } 7452 7453 /** 7454 * Creates a new RecentTaskInfo from a TaskRecord. 7455 */ 7456 private ActivityManager.RecentTaskInfo createRecentTaskInfoFromTaskRecord(TaskRecord tr) { 7457 // Update the task description to reflect any changes in the task stack 7458 tr.updateTaskDescription(); 7459 7460 // Compose the recent task info 7461 ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo(); 7462 rti.id = tr.getTopActivity() == null ? -1 : tr.taskId; 7463 rti.persistentId = tr.taskId; 7464 rti.baseIntent = new Intent(tr.getBaseIntent()); 7465 rti.origActivity = tr.origActivity; 7466 rti.description = tr.lastDescription; 7467 rti.stackId = tr.stack != null ? tr.stack.mStackId : -1; 7468 rti.userId = tr.userId; 7469 rti.taskDescription = new ActivityManager.TaskDescription(tr.lastTaskDescription); 7470 rti.firstActiveTime = tr.firstActiveTime; 7471 rti.lastActiveTime = tr.lastActiveTime; 7472 rti.affiliatedTaskId = tr.mAffiliatedTaskId; 7473 rti.affiliatedTaskColor = tr.mAffiliatedTaskColor; 7474 return rti; 7475 } 7476 7477 @Override 7478 public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum, int flags, int userId) { 7479 final int callingUid = Binder.getCallingUid(); 7480 userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, 7481 false, ALLOW_FULL_ONLY, "getRecentTasks", null); 7482 7483 final boolean includeProfiles = (flags & ActivityManager.RECENT_INCLUDE_PROFILES) != 0; 7484 final boolean withExcluded = (flags&ActivityManager.RECENT_WITH_EXCLUDED) != 0; 7485 synchronized (this) { 7486 final boolean allowed = checkCallingPermission(android.Manifest.permission.GET_TASKS) 7487 == PackageManager.PERMISSION_GRANTED; 7488 if (!allowed) { 7489 Slog.w(TAG, "getRecentTasks: caller " + callingUid 7490 + " does not hold GET_TASKS; limiting output"); 7491 } 7492 final boolean detailed = checkCallingPermission( 7493 android.Manifest.permission.GET_DETAILED_TASKS) 7494 == PackageManager.PERMISSION_GRANTED; 7495 7496 IPackageManager pm = AppGlobals.getPackageManager(); 7497 7498 final int N = mRecentTasks.size(); 7499 ArrayList<ActivityManager.RecentTaskInfo> res 7500 = new ArrayList<ActivityManager.RecentTaskInfo>( 7501 maxNum < N ? maxNum : N); 7502 7503 final Set<Integer> includedUsers; 7504 if (includeProfiles) { 7505 includedUsers = getProfileIdsLocked(userId); 7506 } else { 7507 includedUsers = new HashSet<Integer>(); 7508 } 7509 includedUsers.add(Integer.valueOf(userId)); 7510 7511 // Regroup affiliated tasks together. 7512 for (int i = 0; i < N; ) { 7513 TaskRecord task = mRecentTasks.remove(i); 7514 if (mTmpRecents.contains(task)) { 7515 continue; 7516 } 7517 int affiliatedTaskId = task.mAffiliatedTaskId; 7518 while (true) { 7519 TaskRecord next = task.mNextAffiliate; 7520 if (next == null) { 7521 break; 7522 } 7523 if (next.mAffiliatedTaskId != affiliatedTaskId) { 7524 Slog.e(TAG, "Error in Recents: next.affiliatedTaskId=" + 7525 next.mAffiliatedTaskId + " affiliatedTaskId=" + affiliatedTaskId); 7526 task.setNextAffiliate(null); 7527 if (next.mPrevAffiliate == task) { 7528 next.setPrevAffiliate(null); 7529 } 7530 break; 7531 } 7532 if (next.mPrevAffiliate != task) { 7533 Slog.e(TAG, "Error in Recents chain prev.mNextAffiliate=" + 7534 next.mPrevAffiliate + " task=" + task); 7535 next.setPrevAffiliate(null); 7536 break; 7537 } 7538 if (!mRecentTasks.contains(next)) { 7539 Slog.e(TAG, "Error in Recents: next=" + next + " not in mRecentTasks"); 7540 task.setNextAffiliate(null); 7541 if (next.mPrevAffiliate == task) { 7542 next.setPrevAffiliate(null); 7543 } 7544 break; 7545 } 7546 task = next; 7547 } 7548 // task is now the end of the list 7549 do { 7550 mRecentTasks.remove(task); 7551 mRecentTasks.add(i++, task); 7552 mTmpRecents.add(task); 7553 } while ((task = task.mPrevAffiliate) != null); 7554 } 7555 mTmpRecents.clear(); 7556 // mRecentTasks is now in sorted, affiliated order. 7557 7558 for (int i=0; i<N && maxNum > 0; i++) { 7559 TaskRecord tr = mRecentTasks.get(i); 7560 // Only add calling user or related users recent tasks 7561 if (!includedUsers.contains(Integer.valueOf(tr.userId))) continue; 7562 7563 // Return the entry if desired by the caller. We always return 7564 // the first entry, because callers always expect this to be the 7565 // foreground app. We may filter others if the caller has 7566 // not supplied RECENT_WITH_EXCLUDED and there is some reason 7567 // we should exclude the entry. 7568 7569 if (i == 0 7570 || withExcluded 7571 || (tr.intent == null) 7572 || ((tr.intent.getFlags() & Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS) 7573 == 0)) { 7574 if (!allowed) { 7575 // If the caller doesn't have the GET_TASKS permission, then only 7576 // allow them to see a small subset of tasks -- their own and home. 7577 if (!tr.isHomeTask() && tr.creatorUid != callingUid) { 7578 continue; 7579 } 7580 } 7581 if (tr.autoRemoveRecents && tr.getTopActivity() == null) { 7582 // Don't include auto remove tasks that are finished or finishing. 7583 continue; 7584 } 7585 7586 ActivityManager.RecentTaskInfo rti = createRecentTaskInfoFromTaskRecord(tr); 7587 if (!detailed) { 7588 rti.baseIntent.replaceExtras((Bundle)null); 7589 } 7590 7591 if ((flags&ActivityManager.RECENT_IGNORE_UNAVAILABLE) != 0) { 7592 // Check whether this activity is currently available. 7593 try { 7594 if (rti.origActivity != null) { 7595 if (pm.getActivityInfo(rti.origActivity, 0, userId) 7596 == null) { 7597 continue; 7598 } 7599 } else if (rti.baseIntent != null) { 7600 if (pm.queryIntentActivities(rti.baseIntent, 7601 null, 0, userId) == null) { 7602 continue; 7603 } 7604 } 7605 } catch (RemoteException e) { 7606 // Will never happen. 7607 } 7608 } 7609 7610 res.add(rti); 7611 maxNum--; 7612 } 7613 } 7614 return res; 7615 } 7616 } 7617 7618 private TaskRecord recentTaskForIdLocked(int id) { 7619 final int N = mRecentTasks.size(); 7620 for (int i=0; i<N; i++) { 7621 TaskRecord tr = mRecentTasks.get(i); 7622 if (tr.taskId == id) { 7623 return tr; 7624 } 7625 } 7626 return null; 7627 } 7628 7629 @Override 7630 public ActivityManager.TaskThumbnail getTaskThumbnail(int id) { 7631 synchronized (this) { 7632 enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, 7633 "getTaskThumbnail()"); 7634 TaskRecord tr = recentTaskForIdLocked(id); 7635 if (tr != null) { 7636 return tr.getTaskThumbnailLocked(); 7637 } 7638 } 7639 return null; 7640 } 7641 7642 @Override 7643 public void setTaskDescription(IBinder token, ActivityManager.TaskDescription td) { 7644 synchronized (this) { 7645 ActivityRecord r = ActivityRecord.isInStackLocked(token); 7646 if (r != null) { 7647 r.taskDescription = td; 7648 r.task.updateTaskDescription(); 7649 } 7650 } 7651 } 7652 7653 private void killUnneededProcessLocked(ProcessRecord pr, String reason) { 7654 if (!pr.killedByAm) { 7655 Slog.i(TAG, "Killing " + pr.toShortString() + " (adj " + pr.setAdj + "): " + reason); 7656 EventLog.writeEvent(EventLogTags.AM_KILL, pr.userId, pr.pid, 7657 pr.processName, pr.setAdj, reason); 7658 pr.killedByAm = true; 7659 Process.killProcessQuiet(pr.pid); 7660 Process.killProcessGroup(pr.info.uid, pr.pid); 7661 } 7662 } 7663 7664 private void cleanUpRemovedTaskLocked(TaskRecord tr, int flags) { 7665 tr.disposeThumbnail(); 7666 mRecentTasks.remove(tr); 7667 tr.closeRecentsChain(); 7668 final boolean killProcesses = (flags&ActivityManager.REMOVE_TASK_KILL_PROCESS) != 0; 7669 Intent baseIntent = new Intent( 7670 tr.intent != null ? tr.intent : tr.affinityIntent); 7671 ComponentName component = baseIntent.getComponent(); 7672 if (component == null) { 7673 Slog.w(TAG, "Now component for base intent of task: " + tr); 7674 return; 7675 } 7676 7677 // Find any running services associated with this app. 7678 mServices.cleanUpRemovedTaskLocked(tr, component, baseIntent); 7679 7680 if (killProcesses) { 7681 // Find any running processes associated with this app. 7682 final String pkg = component.getPackageName(); 7683 ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); 7684 ArrayMap<String, SparseArray<ProcessRecord>> pmap = mProcessNames.getMap(); 7685 for (int i=0; i<pmap.size(); i++) { 7686 SparseArray<ProcessRecord> uids = pmap.valueAt(i); 7687 for (int j=0; j<uids.size(); j++) { 7688 ProcessRecord proc = uids.valueAt(j); 7689 if (proc.userId != tr.userId) { 7690 continue; 7691 } 7692 if (!proc.pkgList.containsKey(pkg)) { 7693 continue; 7694 } 7695 procs.add(proc); 7696 } 7697 } 7698 7699 // Kill the running processes. 7700 for (int i=0; i<procs.size(); i++) { 7701 ProcessRecord pr = procs.get(i); 7702 if (pr == mHomeProcess) { 7703 // Don't kill the home process along with tasks from the same package. 7704 continue; 7705 } 7706 if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { 7707 killUnneededProcessLocked(pr, "remove task"); 7708 } else { 7709 pr.waitingToKill = "remove task"; 7710 } 7711 } 7712 } 7713 } 7714 7715 /** 7716 * Removes the task with the specified task id. 7717 * 7718 * @param taskId Identifier of the task to be removed. 7719 * @param flags Additional operational flags. May be 0 or 7720 * {@link ActivityManager#REMOVE_TASK_KILL_PROCESS}. 7721 * @return Returns true if the given task was found and removed. 7722 */ 7723 private boolean removeTaskByIdLocked(int taskId, int flags) { 7724 TaskRecord tr = recentTaskForIdLocked(taskId); 7725 if (tr != null) { 7726 tr.removeTaskActivitiesLocked(); 7727 cleanUpRemovedTaskLocked(tr, flags); 7728 if (tr.isPersistable) { 7729 notifyTaskPersisterLocked(null, true); 7730 } 7731 return true; 7732 } 7733 return false; 7734 } 7735 7736 @Override 7737 public boolean removeTask(int taskId, int flags) { 7738 synchronized (this) { 7739 enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, 7740 "removeTask()"); 7741 long ident = Binder.clearCallingIdentity(); 7742 try { 7743 return removeTaskByIdLocked(taskId, flags); 7744 } finally { 7745 Binder.restoreCallingIdentity(ident); 7746 } 7747 } 7748 } 7749 7750 /** 7751 * TODO: Add mController hook 7752 */ 7753 @Override 7754 public void moveTaskToFront(int taskId, int flags, Bundle options) { 7755 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 7756 "moveTaskToFront()"); 7757 7758 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToFront: moving taskId=" + taskId); 7759 synchronized(this) { 7760 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 7761 Binder.getCallingUid(), "Task to front")) { 7762 ActivityOptions.abort(options); 7763 return; 7764 } 7765 final long origId = Binder.clearCallingIdentity(); 7766 try { 7767 final TaskRecord task = mStackSupervisor.anyTaskForIdLocked(taskId); 7768 if (task == null) { 7769 return; 7770 } 7771 if (mStackSupervisor.isLockTaskModeViolation(task)) { 7772 mStackSupervisor.showLockTaskToast(); 7773 Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode"); 7774 return; 7775 } 7776 final ActivityRecord prev = mStackSupervisor.topRunningActivityLocked(); 7777 if (prev != null && prev.isRecentsActivity()) { 7778 task.setTaskToReturnTo(ActivityRecord.RECENTS_ACTIVITY_TYPE); 7779 } 7780 mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options); 7781 } finally { 7782 Binder.restoreCallingIdentity(origId); 7783 } 7784 ActivityOptions.abort(options); 7785 } 7786 } 7787 7788 @Override 7789 public void moveTaskToBack(int taskId) { 7790 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 7791 "moveTaskToBack()"); 7792 7793 synchronized(this) { 7794 TaskRecord tr = recentTaskForIdLocked(taskId); 7795 if (tr != null) { 7796 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToBack: moving task=" + tr); 7797 ActivityStack stack = tr.stack; 7798 if (stack.mResumedActivity != null && stack.mResumedActivity.task == tr) { 7799 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 7800 Binder.getCallingUid(), "Task to back")) { 7801 return; 7802 } 7803 } 7804 final long origId = Binder.clearCallingIdentity(); 7805 try { 7806 stack.moveTaskToBackLocked(taskId, null); 7807 } finally { 7808 Binder.restoreCallingIdentity(origId); 7809 } 7810 } 7811 } 7812 } 7813 7814 /** 7815 * Moves an activity, and all of the other activities within the same task, to the bottom 7816 * of the history stack. The activity's order within the task is unchanged. 7817 * 7818 * @param token A reference to the activity we wish to move 7819 * @param nonRoot If false then this only works if the activity is the root 7820 * of a task; if true it will work for any activity in a task. 7821 * @return Returns true if the move completed, false if not. 7822 */ 7823 @Override 7824 public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) { 7825 enforceNotIsolatedCaller("moveActivityTaskToBack"); 7826 synchronized(this) { 7827 final long origId = Binder.clearCallingIdentity(); 7828 int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot); 7829 if (taskId >= 0) { 7830 return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId, null); 7831 } 7832 Binder.restoreCallingIdentity(origId); 7833 } 7834 return false; 7835 } 7836 7837 @Override 7838 public void moveTaskBackwards(int task) { 7839 enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, 7840 "moveTaskBackwards()"); 7841 7842 synchronized(this) { 7843 if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), 7844 Binder.getCallingUid(), "Task backwards")) { 7845 return; 7846 } 7847 final long origId = Binder.clearCallingIdentity(); 7848 moveTaskBackwardsLocked(task); 7849 Binder.restoreCallingIdentity(origId); 7850 } 7851 } 7852 7853 private final void moveTaskBackwardsLocked(int task) { 7854 Slog.e(TAG, "moveTaskBackwards not yet implemented!"); 7855 } 7856 7857 @Override 7858 public IBinder getHomeActivityToken() throws RemoteException { 7859 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7860 "getHomeActivityToken()"); 7861 synchronized (this) { 7862 return mStackSupervisor.getHomeActivityToken(); 7863 } 7864 } 7865 7866 @Override 7867 public IActivityContainer createActivityContainer(IBinder parentActivityToken, 7868 IActivityContainerCallback callback) throws RemoteException { 7869 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7870 "createActivityContainer()"); 7871 synchronized (this) { 7872 if (parentActivityToken == null) { 7873 throw new IllegalArgumentException("parent token must not be null"); 7874 } 7875 ActivityRecord r = ActivityRecord.forToken(parentActivityToken); 7876 if (r == null) { 7877 return null; 7878 } 7879 if (callback == null) { 7880 throw new IllegalArgumentException("callback must not be null"); 7881 } 7882 return mStackSupervisor.createActivityContainer(r, callback); 7883 } 7884 } 7885 7886 @Override 7887 public void deleteActivityContainer(IActivityContainer container) throws RemoteException { 7888 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7889 "deleteActivityContainer()"); 7890 synchronized (this) { 7891 mStackSupervisor.deleteActivityContainer(container); 7892 } 7893 } 7894 7895 @Override 7896 public IActivityContainer getEnclosingActivityContainer(IBinder activityToken) 7897 throws RemoteException { 7898 synchronized (this) { 7899 ActivityStack stack = ActivityRecord.getStackLocked(activityToken); 7900 if (stack != null) { 7901 return stack.mActivityContainer; 7902 } 7903 return null; 7904 } 7905 } 7906 7907 @Override 7908 public void moveTaskToStack(int taskId, int stackId, boolean toTop) { 7909 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7910 "moveTaskToStack()"); 7911 if (stackId == HOME_STACK_ID) { 7912 Slog.e(TAG, "moveTaskToStack: Attempt to move task " + taskId + " to home stack", 7913 new RuntimeException("here").fillInStackTrace()); 7914 } 7915 synchronized (this) { 7916 long ident = Binder.clearCallingIdentity(); 7917 try { 7918 if (DEBUG_STACK) Slog.d(TAG, "moveTaskToStack: moving task=" + taskId + " to stackId=" 7919 + stackId + " toTop=" + toTop); 7920 mStackSupervisor.moveTaskToStack(taskId, stackId, toTop); 7921 } finally { 7922 Binder.restoreCallingIdentity(ident); 7923 } 7924 } 7925 } 7926 7927 @Override 7928 public void resizeStack(int stackBoxId, Rect bounds) { 7929 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7930 "resizeStackBox()"); 7931 long ident = Binder.clearCallingIdentity(); 7932 try { 7933 mWindowManager.resizeStack(stackBoxId, bounds); 7934 } finally { 7935 Binder.restoreCallingIdentity(ident); 7936 } 7937 } 7938 7939 @Override 7940 public List<StackInfo> getAllStackInfos() { 7941 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7942 "getAllStackInfos()"); 7943 long ident = Binder.clearCallingIdentity(); 7944 try { 7945 synchronized (this) { 7946 return mStackSupervisor.getAllStackInfosLocked(); 7947 } 7948 } finally { 7949 Binder.restoreCallingIdentity(ident); 7950 } 7951 } 7952 7953 @Override 7954 public StackInfo getStackInfo(int stackId) { 7955 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7956 "getStackInfo()"); 7957 long ident = Binder.clearCallingIdentity(); 7958 try { 7959 synchronized (this) { 7960 return mStackSupervisor.getStackInfoLocked(stackId); 7961 } 7962 } finally { 7963 Binder.restoreCallingIdentity(ident); 7964 } 7965 } 7966 7967 @Override 7968 public boolean isInHomeStack(int taskId) { 7969 enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 7970 "getStackInfo()"); 7971 long ident = Binder.clearCallingIdentity(); 7972 try { 7973 synchronized (this) { 7974 TaskRecord tr = recentTaskForIdLocked(taskId); 7975 return tr != null && tr.stack != null && tr.stack.isHomeStack(); 7976 } 7977 } finally { 7978 Binder.restoreCallingIdentity(ident); 7979 } 7980 } 7981 7982 @Override 7983 public int getTaskForActivity(IBinder token, boolean onlyRoot) { 7984 synchronized(this) { 7985 return ActivityRecord.getTaskForActivityLocked(token, onlyRoot); 7986 } 7987 } 7988 7989 private boolean isLockTaskAuthorized(String pkg) { 7990 final DevicePolicyManager dpm = (DevicePolicyManager) 7991 mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); 7992 try { 7993 int uid = mContext.getPackageManager().getPackageUid(pkg, 7994 Binder.getCallingUserHandle().getIdentifier()); 7995 return (uid == Binder.getCallingUid()) && dpm != null && dpm.isLockTaskPermitted(pkg); 7996 } catch (NameNotFoundException e) { 7997 return false; 7998 } 7999 } 8000 8001 void startLockTaskMode(TaskRecord task) { 8002 final String pkg; 8003 synchronized (this) { 8004 pkg = task.intent.getComponent().getPackageName(); 8005 } 8006 boolean isSystemInitiated = Binder.getCallingUid() == Process.SYSTEM_UID; 8007 if (!isSystemInitiated && !isLockTaskAuthorized(pkg)) { 8008 final TaskRecord taskRecord = task; 8009 mHandler.post(new Runnable() { 8010 @Override 8011 public void run() { 8012 mLockToAppRequest.showLockTaskPrompt(taskRecord); 8013 } 8014 }); 8015 return; 8016 } 8017 long ident = Binder.clearCallingIdentity(); 8018 try { 8019 synchronized (this) { 8020 // Since we lost lock on task, make sure it is still there. 8021 task = mStackSupervisor.anyTaskForIdLocked(task.taskId); 8022 if (task != null) { 8023 if (!isSystemInitiated 8024 && ((mFocusedActivity == null) || (task != mFocusedActivity.task))) { 8025 throw new IllegalArgumentException("Invalid task, not in foreground"); 8026 } 8027 mStackSupervisor.setLockTaskModeLocked(task, !isSystemInitiated); 8028 } 8029 } 8030 } finally { 8031 Binder.restoreCallingIdentity(ident); 8032 } 8033 } 8034 8035 @Override 8036 public void startLockTaskMode(int taskId) { 8037 final TaskRecord task; 8038 long ident = Binder.clearCallingIdentity(); 8039 try { 8040 synchronized (this) { 8041 task = mStackSupervisor.anyTaskForIdLocked(taskId); 8042 } 8043 } finally { 8044 Binder.restoreCallingIdentity(ident); 8045 } 8046 if (task != null) { 8047 startLockTaskMode(task); 8048 } 8049 } 8050 8051 @Override 8052 public void startLockTaskMode(IBinder token) { 8053 final TaskRecord task; 8054 long ident = Binder.clearCallingIdentity(); 8055 try { 8056 synchronized (this) { 8057 final ActivityRecord r = ActivityRecord.forToken(token); 8058 if (r == null) { 8059 return; 8060 } 8061 task = r.task; 8062 } 8063 } finally { 8064 Binder.restoreCallingIdentity(ident); 8065 } 8066 if (task != null) { 8067 startLockTaskMode(task); 8068 } 8069 } 8070 8071 @Override 8072 public void startLockTaskModeOnCurrent() throws RemoteException { 8073 checkCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS); 8074 ActivityRecord r = null; 8075 synchronized (this) { 8076 r = mStackSupervisor.topRunningActivityLocked(); 8077 } 8078 startLockTaskMode(r.task); 8079 } 8080 8081 @Override 8082 public void stopLockTaskMode() { 8083 // Verify that the user matches the package of the intent for the TaskRecord 8084 // we are locked to or systtem. This will ensure the same caller for startLockTaskMode 8085 // and stopLockTaskMode. 8086 final int callingUid = Binder.getCallingUid(); 8087 if (callingUid != Process.SYSTEM_UID) { 8088 try { 8089 String pkg = 8090 mStackSupervisor.mLockTaskModeTask.intent.getComponent().getPackageName(); 8091 int uid = mContext.getPackageManager().getPackageUid(pkg, 8092 Binder.getCallingUserHandle().getIdentifier()); 8093 if (uid != callingUid) { 8094 throw new SecurityException("Invalid uid, expected " + uid); 8095 } 8096 } catch (NameNotFoundException e) { 8097 Log.d(TAG, "stopLockTaskMode " + e); 8098 return; 8099 } 8100 } 8101 long ident = Binder.clearCallingIdentity(); 8102 try { 8103 Log.d(TAG, "stopLockTaskMode"); 8104 // Stop lock task 8105 synchronized (this) { 8106 mStackSupervisor.setLockTaskModeLocked(null, false); 8107 } 8108 } finally { 8109 Binder.restoreCallingIdentity(ident); 8110 } 8111 } 8112 8113 @Override 8114 public void stopLockTaskModeOnCurrent() throws RemoteException { 8115 checkCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS); 8116 long ident = Binder.clearCallingIdentity(); 8117 try { 8118 stopLockTaskMode(); 8119 } finally { 8120 Binder.restoreCallingIdentity(ident); 8121 } 8122 } 8123 8124 @Override 8125 public boolean isInLockTaskMode() { 8126 synchronized (this) { 8127 return mStackSupervisor.isInLockTaskMode(); 8128 } 8129 } 8130 8131 // ========================================================= 8132 // CONTENT PROVIDERS 8133 // ========================================================= 8134 8135 private final List<ProviderInfo> generateApplicationProvidersLocked(ProcessRecord app) { 8136 List<ProviderInfo> providers = null; 8137 try { 8138 providers = AppGlobals.getPackageManager(). 8139 queryContentProviders(app.processName, app.uid, 8140 STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS); 8141 } catch (RemoteException ex) { 8142 } 8143 if (DEBUG_MU) 8144 Slog.v(TAG_MU, "generateApplicationProvidersLocked, app.info.uid = " + app.uid); 8145 int userId = app.userId; 8146 if (providers != null) { 8147 int N = providers.size(); 8148 app.pubProviders.ensureCapacity(N + app.pubProviders.size()); 8149 for (int i=0; i<N; i++) { 8150 ProviderInfo cpi = 8151 (ProviderInfo)providers.get(i); 8152 boolean singleton = isSingleton(cpi.processName, cpi.applicationInfo, 8153 cpi.name, cpi.flags); 8154 if (singleton && UserHandle.getUserId(app.uid) != 0) { 8155 // This is a singleton provider, but a user besides the 8156 // default user is asking to initialize a process it runs 8157 // in... well, no, it doesn't actually run in this process, 8158 // it runs in the process of the default user. Get rid of it. 8159 providers.remove(i); 8160 N--; 8161 i--; 8162 continue; 8163 } 8164 8165 ComponentName comp = new ComponentName(cpi.packageName, cpi.name); 8166 ContentProviderRecord cpr = mProviderMap.getProviderByClass(comp, userId); 8167 if (cpr == null) { 8168 cpr = new ContentProviderRecord(this, cpi, app.info, comp, singleton); 8169 mProviderMap.putProviderByClass(comp, cpr); 8170 } 8171 if (DEBUG_MU) 8172 Slog.v(TAG_MU, "generateApplicationProvidersLocked, cpi.uid = " + cpr.uid); 8173 app.pubProviders.put(cpi.name, cpr); 8174 if (!cpi.multiprocess || !"android".equals(cpi.packageName)) { 8175 // Don't add this if it is a platform component that is marked 8176 // to run in multiple processes, because this is actually 8177 // part of the framework so doesn't make sense to track as a 8178 // separate apk in the process. 8179 app.addPackage(cpi.applicationInfo.packageName, cpi.applicationInfo.versionCode, 8180 mProcessStats); 8181 } 8182 ensurePackageDexOpt(cpi.applicationInfo.packageName); 8183 } 8184 } 8185 return providers; 8186 } 8187 8188 /** 8189 * Check if {@link ProcessRecord} has a possible chance at accessing the 8190 * given {@link ProviderInfo}. Final permission checking is always done 8191 * in {@link ContentProvider}. 8192 */ 8193 private final String checkContentProviderPermissionLocked( 8194 ProviderInfo cpi, ProcessRecord r, int userId, boolean checkUser) { 8195 final int callingPid = (r != null) ? r.pid : Binder.getCallingPid(); 8196 final int callingUid = (r != null) ? r.uid : Binder.getCallingUid(); 8197 boolean checkedGrants = false; 8198 if (checkUser) { 8199 // Looking for cross-user grants before enforcing the typical cross-users permissions 8200 int tmpTargetUserId = unsafeConvertIncomingUser(userId); 8201 if (tmpTargetUserId != UserHandle.getUserId(callingUid)) { 8202 if (checkAuthorityGrants(callingUid, cpi, tmpTargetUserId, checkUser)) { 8203 return null; 8204 } 8205 checkedGrants = true; 8206 } 8207 userId = handleIncomingUser(callingPid, callingUid, userId, 8208 false, ALLOW_NON_FULL, 8209 "checkContentProviderPermissionLocked " + cpi.authority, null); 8210 if (userId != tmpTargetUserId) { 8211 // When we actually went to determine the final targer user ID, this ended 8212 // up different than our initial check for the authority. This is because 8213 // they had asked for USER_CURRENT_OR_SELF and we ended up switching to 8214 // SELF. So we need to re-check the grants again. 8215 checkedGrants = false; 8216 } 8217 } 8218 if (checkComponentPermission(cpi.readPermission, callingPid, callingUid, 8219 cpi.applicationInfo.uid, cpi.exported) 8220 == PackageManager.PERMISSION_GRANTED) { 8221 return null; 8222 } 8223 if (checkComponentPermission(cpi.writePermission, callingPid, callingUid, 8224 cpi.applicationInfo.uid, cpi.exported) 8225 == PackageManager.PERMISSION_GRANTED) { 8226 return null; 8227 } 8228 8229 PathPermission[] pps = cpi.pathPermissions; 8230 if (pps != null) { 8231 int i = pps.length; 8232 while (i > 0) { 8233 i--; 8234 PathPermission pp = pps[i]; 8235 String pprperm = pp.getReadPermission(); 8236 if (pprperm != null && checkComponentPermission(pprperm, callingPid, callingUid, 8237 cpi.applicationInfo.uid, cpi.exported) 8238 == PackageManager.PERMISSION_GRANTED) { 8239 return null; 8240 } 8241 String ppwperm = pp.getWritePermission(); 8242 if (ppwperm != null && checkComponentPermission(ppwperm, callingPid, callingUid, 8243 cpi.applicationInfo.uid, cpi.exported) 8244 == PackageManager.PERMISSION_GRANTED) { 8245 return null; 8246 } 8247 } 8248 } 8249 if (!checkedGrants && checkAuthorityGrants(callingUid, cpi, userId, checkUser)) { 8250 return null; 8251 } 8252 8253 String msg; 8254 if (!cpi.exported) { 8255 msg = "Permission Denial: opening provider " + cpi.name 8256 + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid 8257 + ", uid=" + callingUid + ") that is not exported from uid " 8258 + cpi.applicationInfo.uid; 8259 } else { 8260 msg = "Permission Denial: opening provider " + cpi.name 8261 + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid 8262 + ", uid=" + callingUid + ") requires " 8263 + cpi.readPermission + " or " + cpi.writePermission; 8264 } 8265 Slog.w(TAG, msg); 8266 return msg; 8267 } 8268 8269 /** 8270 * Returns if the ContentProvider has granted a uri to callingUid 8271 */ 8272 boolean checkAuthorityGrants(int callingUid, ProviderInfo cpi, int userId, boolean checkUser) { 8273 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.get(callingUid); 8274 if (perms != null) { 8275 for (int i=perms.size()-1; i>=0; i--) { 8276 GrantUri grantUri = perms.keyAt(i); 8277 if (grantUri.sourceUserId == userId || !checkUser) { 8278 if (matchesProvider(grantUri.uri, cpi)) { 8279 return true; 8280 } 8281 } 8282 } 8283 } 8284 return false; 8285 } 8286 8287 /** 8288 * Returns true if the uri authority is one of the authorities specified in the provider. 8289 */ 8290 boolean matchesProvider(Uri uri, ProviderInfo cpi) { 8291 String uriAuth = uri.getAuthority(); 8292 String cpiAuth = cpi.authority; 8293 if (cpiAuth.indexOf(';') == -1) { 8294 return cpiAuth.equals(uriAuth); 8295 } 8296 String[] cpiAuths = cpiAuth.split(";"); 8297 int length = cpiAuths.length; 8298 for (int i = 0; i < length; i++) { 8299 if (cpiAuths[i].equals(uriAuth)) return true; 8300 } 8301 return false; 8302 } 8303 8304 ContentProviderConnection incProviderCountLocked(ProcessRecord r, 8305 final ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { 8306 if (r != null) { 8307 for (int i=0; i<r.conProviders.size(); i++) { 8308 ContentProviderConnection conn = r.conProviders.get(i); 8309 if (conn.provider == cpr) { 8310 if (DEBUG_PROVIDER) Slog.v(TAG, 8311 "Adding provider requested by " 8312 + r.processName + " from process " 8313 + cpr.info.processName + ": " + cpr.name.flattenToShortString() 8314 + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); 8315 if (stable) { 8316 conn.stableCount++; 8317 conn.numStableIncs++; 8318 } else { 8319 conn.unstableCount++; 8320 conn.numUnstableIncs++; 8321 } 8322 return conn; 8323 } 8324 } 8325 ContentProviderConnection conn = new ContentProviderConnection(cpr, r); 8326 if (stable) { 8327 conn.stableCount = 1; 8328 conn.numStableIncs = 1; 8329 } else { 8330 conn.unstableCount = 1; 8331 conn.numUnstableIncs = 1; 8332 } 8333 cpr.connections.add(conn); 8334 r.conProviders.add(conn); 8335 return conn; 8336 } 8337 cpr.addExternalProcessHandleLocked(externalProcessToken); 8338 return null; 8339 } 8340 8341 boolean decProviderCountLocked(ContentProviderConnection conn, 8342 ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { 8343 if (conn != null) { 8344 cpr = conn.provider; 8345 if (DEBUG_PROVIDER) Slog.v(TAG, 8346 "Removing provider requested by " 8347 + conn.client.processName + " from process " 8348 + cpr.info.processName + ": " + cpr.name.flattenToShortString() 8349 + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); 8350 if (stable) { 8351 conn.stableCount--; 8352 } else { 8353 conn.unstableCount--; 8354 } 8355 if (conn.stableCount == 0 && conn.unstableCount == 0) { 8356 cpr.connections.remove(conn); 8357 conn.client.conProviders.remove(conn); 8358 return true; 8359 } 8360 return false; 8361 } 8362 cpr.removeExternalProcessHandleLocked(externalProcessToken); 8363 return false; 8364 } 8365 8366 private final ContentProviderHolder getContentProviderImpl(IApplicationThread caller, 8367 String name, IBinder token, boolean stable, int userId) { 8368 ContentProviderRecord cpr; 8369 ContentProviderConnection conn = null; 8370 ProviderInfo cpi = null; 8371 8372 synchronized(this) { 8373 ProcessRecord r = null; 8374 if (caller != null) { 8375 r = getRecordForAppLocked(caller); 8376 if (r == null) { 8377 throw new SecurityException( 8378 "Unable to find app for caller " + caller 8379 + " (pid=" + Binder.getCallingPid() 8380 + ") when getting content provider " + name); 8381 } 8382 } 8383 8384 boolean checkCrossUser = true; 8385 8386 // First check if this content provider has been published... 8387 cpr = mProviderMap.getProviderByName(name, userId); 8388 // If that didn't work, check if it exists for user 0 and then 8389 // verify that it's a singleton provider before using it. 8390 if (cpr == null && userId != UserHandle.USER_OWNER) { 8391 cpr = mProviderMap.getProviderByName(name, UserHandle.USER_OWNER); 8392 if (cpr != null) { 8393 cpi = cpr.info; 8394 if (isSingleton(cpi.processName, cpi.applicationInfo, 8395 cpi.name, cpi.flags) 8396 && isValidSingletonCall(r.uid, cpi.applicationInfo.uid)) { 8397 userId = UserHandle.USER_OWNER; 8398 checkCrossUser = false; 8399 } else { 8400 cpr = null; 8401 cpi = null; 8402 } 8403 } 8404 } 8405 8406 boolean providerRunning = cpr != null; 8407 if (providerRunning) { 8408 cpi = cpr.info; 8409 String msg; 8410 if ((msg = checkContentProviderPermissionLocked(cpi, r, userId, checkCrossUser)) 8411 != null) { 8412 throw new SecurityException(msg); 8413 } 8414 8415 if (r != null && cpr.canRunHere(r)) { 8416 // This provider has been published or is in the process 8417 // of being published... but it is also allowed to run 8418 // in the caller's process, so don't make a connection 8419 // and just let the caller instantiate its own instance. 8420 ContentProviderHolder holder = cpr.newHolder(null); 8421 // don't give caller the provider object, it needs 8422 // to make its own. 8423 holder.provider = null; 8424 return holder; 8425 } 8426 8427 final long origId = Binder.clearCallingIdentity(); 8428 8429 // In this case the provider instance already exists, so we can 8430 // return it right away. 8431 conn = incProviderCountLocked(r, cpr, token, stable); 8432 if (conn != null && (conn.stableCount+conn.unstableCount) == 1) { 8433 if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { 8434 // If this is a perceptible app accessing the provider, 8435 // make sure to count it as being accessed and thus 8436 // back up on the LRU list. This is good because 8437 // content providers are often expensive to start. 8438 updateLruProcessLocked(cpr.proc, false, null); 8439 } 8440 } 8441 8442 if (cpr.proc != null) { 8443 if (false) { 8444 if (cpr.name.flattenToShortString().equals( 8445 "com.android.providers.calendar/.CalendarProvider2")) { 8446 Slog.v(TAG, "****************** KILLING " 8447 + cpr.name.flattenToShortString()); 8448 Process.killProcess(cpr.proc.pid); 8449 } 8450 } 8451 boolean success = updateOomAdjLocked(cpr.proc); 8452 if (DEBUG_PROVIDER) Slog.i(TAG, "Adjust success: " + success); 8453 // NOTE: there is still a race here where a signal could be 8454 // pending on the process even though we managed to update its 8455 // adj level. Not sure what to do about this, but at least 8456 // the race is now smaller. 8457 if (!success) { 8458 // Uh oh... it looks like the provider's process 8459 // has been killed on us. We need to wait for a new 8460 // process to be started, and make sure its death 8461 // doesn't kill our process. 8462 Slog.i(TAG, 8463 "Existing provider " + cpr.name.flattenToShortString() 8464 + " is crashing; detaching " + r); 8465 boolean lastRef = decProviderCountLocked(conn, cpr, token, stable); 8466 appDiedLocked(cpr.proc, cpr.proc.pid, cpr.proc.thread); 8467 if (!lastRef) { 8468 // This wasn't the last ref our process had on 8469 // the provider... we have now been killed, bail. 8470 return null; 8471 } 8472 providerRunning = false; 8473 conn = null; 8474 } 8475 } 8476 8477 Binder.restoreCallingIdentity(origId); 8478 } 8479 8480 boolean singleton; 8481 if (!providerRunning) { 8482 try { 8483 cpi = AppGlobals.getPackageManager(). 8484 resolveContentProvider(name, 8485 STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS, userId); 8486 } catch (RemoteException ex) { 8487 } 8488 if (cpi == null) { 8489 return null; 8490 } 8491 // If the provider is a singleton AND 8492 // (it's a call within the same user || the provider is a 8493 // privileged app) 8494 // Then allow connecting to the singleton provider 8495 singleton = isSingleton(cpi.processName, cpi.applicationInfo, 8496 cpi.name, cpi.flags) 8497 && isValidSingletonCall(r.uid, cpi.applicationInfo.uid); 8498 if (singleton) { 8499 userId = UserHandle.USER_OWNER; 8500 } 8501 cpi.applicationInfo = getAppInfoForUser(cpi.applicationInfo, userId); 8502 8503 String msg; 8504 if ((msg = checkContentProviderPermissionLocked(cpi, r, userId, !singleton)) 8505 != null) { 8506 throw new SecurityException(msg); 8507 } 8508 8509 if (!mProcessesReady && !mDidUpdate && !mWaitingUpdate 8510 && !cpi.processName.equals("system")) { 8511 // If this content provider does not run in the system 8512 // process, and the system is not yet ready to run other 8513 // processes, then fail fast instead of hanging. 8514 throw new IllegalArgumentException( 8515 "Attempt to launch content provider before system ready"); 8516 } 8517 8518 // Make sure that the user who owns this provider is started. If not, 8519 // we don't want to allow it to run. 8520 if (mStartedUsers.get(userId) == null) { 8521 Slog.w(TAG, "Unable to launch app " 8522 + cpi.applicationInfo.packageName + "/" 8523 + cpi.applicationInfo.uid + " for provider " 8524 + name + ": user " + userId + " is stopped"); 8525 return null; 8526 } 8527 8528 ComponentName comp = new ComponentName(cpi.packageName, cpi.name); 8529 cpr = mProviderMap.getProviderByClass(comp, userId); 8530 final boolean firstClass = cpr == null; 8531 if (firstClass) { 8532 try { 8533 ApplicationInfo ai = 8534 AppGlobals.getPackageManager(). 8535 getApplicationInfo( 8536 cpi.applicationInfo.packageName, 8537 STOCK_PM_FLAGS, userId); 8538 if (ai == null) { 8539 Slog.w(TAG, "No package info for content provider " 8540 + cpi.name); 8541 return null; 8542 } 8543 ai = getAppInfoForUser(ai, userId); 8544 cpr = new ContentProviderRecord(this, cpi, ai, comp, singleton); 8545 } catch (RemoteException ex) { 8546 // pm is in same process, this will never happen. 8547 } 8548 } 8549 8550 if (r != null && cpr.canRunHere(r)) { 8551 // If this is a multiprocess provider, then just return its 8552 // info and allow the caller to instantiate it. Only do 8553 // this if the provider is the same user as the caller's 8554 // process, or can run as root (so can be in any process). 8555 return cpr.newHolder(null); 8556 } 8557 8558 if (DEBUG_PROVIDER) { 8559 RuntimeException e = new RuntimeException("here"); 8560 Slog.w(TAG, "LAUNCHING REMOTE PROVIDER (myuid " + (r != null ? r.uid : null) 8561 + " pruid " + cpr.appInfo.uid + "): " + cpr.info.name, e); 8562 } 8563 8564 // This is single process, and our app is now connecting to it. 8565 // See if we are already in the process of launching this 8566 // provider. 8567 final int N = mLaunchingProviders.size(); 8568 int i; 8569 for (i=0; i<N; i++) { 8570 if (mLaunchingProviders.get(i) == cpr) { 8571 break; 8572 } 8573 } 8574 8575 // If the provider is not already being launched, then get it 8576 // started. 8577 if (i >= N) { 8578 final long origId = Binder.clearCallingIdentity(); 8579 8580 try { 8581 // Content provider is now in use, its package can't be stopped. 8582 try { 8583 AppGlobals.getPackageManager().setPackageStoppedState( 8584 cpr.appInfo.packageName, false, userId); 8585 } catch (RemoteException e) { 8586 } catch (IllegalArgumentException e) { 8587 Slog.w(TAG, "Failed trying to unstop package " 8588 + cpr.appInfo.packageName + ": " + e); 8589 } 8590 8591 // Use existing process if already started 8592 ProcessRecord proc = getProcessRecordLocked( 8593 cpi.processName, cpr.appInfo.uid, false); 8594 if (proc != null && proc.thread != null) { 8595 if (DEBUG_PROVIDER) { 8596 Slog.d(TAG, "Installing in existing process " + proc); 8597 } 8598 proc.pubProviders.put(cpi.name, cpr); 8599 try { 8600 proc.thread.scheduleInstallProvider(cpi); 8601 } catch (RemoteException e) { 8602 } 8603 } else { 8604 proc = startProcessLocked(cpi.processName, 8605 cpr.appInfo, false, 0, "content provider", 8606 new ComponentName(cpi.applicationInfo.packageName, 8607 cpi.name), false, false, false); 8608 if (proc == null) { 8609 Slog.w(TAG, "Unable to launch app " 8610 + cpi.applicationInfo.packageName + "/" 8611 + cpi.applicationInfo.uid + " for provider " 8612 + name + ": process is bad"); 8613 return null; 8614 } 8615 } 8616 cpr.launchingApp = proc; 8617 mLaunchingProviders.add(cpr); 8618 } finally { 8619 Binder.restoreCallingIdentity(origId); 8620 } 8621 } 8622 8623 // Make sure the provider is published (the same provider class 8624 // may be published under multiple names). 8625 if (firstClass) { 8626 mProviderMap.putProviderByClass(comp, cpr); 8627 } 8628 8629 mProviderMap.putProviderByName(name, cpr); 8630 conn = incProviderCountLocked(r, cpr, token, stable); 8631 if (conn != null) { 8632 conn.waiting = true; 8633 } 8634 } 8635 } 8636 8637 // Wait for the provider to be published... 8638 synchronized (cpr) { 8639 while (cpr.provider == null) { 8640 if (cpr.launchingApp == null) { 8641 Slog.w(TAG, "Unable to launch app " 8642 + cpi.applicationInfo.packageName + "/" 8643 + cpi.applicationInfo.uid + " for provider " 8644 + name + ": launching app became null"); 8645 EventLog.writeEvent(EventLogTags.AM_PROVIDER_LOST_PROCESS, 8646 UserHandle.getUserId(cpi.applicationInfo.uid), 8647 cpi.applicationInfo.packageName, 8648 cpi.applicationInfo.uid, name); 8649 return null; 8650 } 8651 try { 8652 if (DEBUG_MU) { 8653 Slog.v(TAG_MU, "Waiting to start provider " + cpr + " launchingApp=" 8654 + cpr.launchingApp); 8655 } 8656 if (conn != null) { 8657 conn.waiting = true; 8658 } 8659 cpr.wait(); 8660 } catch (InterruptedException ex) { 8661 } finally { 8662 if (conn != null) { 8663 conn.waiting = false; 8664 } 8665 } 8666 } 8667 } 8668 return cpr != null ? cpr.newHolder(conn) : null; 8669 } 8670 8671 @Override 8672 public final ContentProviderHolder getContentProvider( 8673 IApplicationThread caller, String name, int userId, boolean stable) { 8674 enforceNotIsolatedCaller("getContentProvider"); 8675 if (caller == null) { 8676 String msg = "null IApplicationThread when getting content provider " 8677 + name; 8678 Slog.w(TAG, msg); 8679 throw new SecurityException(msg); 8680 } 8681 // The incoming user check is now handled in checkContentProviderPermissionLocked() to deal 8682 // with cross-user grant. 8683 return getContentProviderImpl(caller, name, null, stable, userId); 8684 } 8685 8686 public ContentProviderHolder getContentProviderExternal( 8687 String name, int userId, IBinder token) { 8688 enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, 8689 "Do not have permission in call getContentProviderExternal()"); 8690 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, 8691 false, ALLOW_FULL_ONLY, "getContentProvider", null); 8692 return getContentProviderExternalUnchecked(name, token, userId); 8693 } 8694 8695 private ContentProviderHolder getContentProviderExternalUnchecked(String name, 8696 IBinder token, int userId) { 8697 return getContentProviderImpl(null, name, token, true, userId); 8698 } 8699 8700 /** 8701 * Drop a content provider from a ProcessRecord's bookkeeping 8702 */ 8703 public void removeContentProvider(IBinder connection, boolean stable) { 8704 enforceNotIsolatedCaller("removeContentProvider"); 8705 long ident = Binder.clearCallingIdentity(); 8706 try { 8707 synchronized (this) { 8708 ContentProviderConnection conn; 8709 try { 8710 conn = (ContentProviderConnection)connection; 8711 } catch (ClassCastException e) { 8712 String msg ="removeContentProvider: " + connection 8713 + " not a ContentProviderConnection"; 8714 Slog.w(TAG, msg); 8715 throw new IllegalArgumentException(msg); 8716 } 8717 if (conn == null) { 8718 throw new NullPointerException("connection is null"); 8719 } 8720 if (decProviderCountLocked(conn, null, null, stable)) { 8721 updateOomAdjLocked(); 8722 } 8723 } 8724 } finally { 8725 Binder.restoreCallingIdentity(ident); 8726 } 8727 } 8728 8729 public void removeContentProviderExternal(String name, IBinder token) { 8730 enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, 8731 "Do not have permission in call removeContentProviderExternal()"); 8732 removeContentProviderExternalUnchecked(name, token, UserHandle.getCallingUserId()); 8733 } 8734 8735 private void removeContentProviderExternalUnchecked(String name, IBinder token, int userId) { 8736 synchronized (this) { 8737 ContentProviderRecord cpr = mProviderMap.getProviderByName(name, userId); 8738 if(cpr == null) { 8739 //remove from mProvidersByClass 8740 if(localLOGV) Slog.v(TAG, name+" content provider not found in providers list"); 8741 return; 8742 } 8743 8744 //update content provider record entry info 8745 ComponentName comp = new ComponentName(cpr.info.packageName, cpr.info.name); 8746 ContentProviderRecord localCpr = mProviderMap.getProviderByClass(comp, userId); 8747 if (localCpr.hasExternalProcessHandles()) { 8748 if (localCpr.removeExternalProcessHandleLocked(token)) { 8749 updateOomAdjLocked(); 8750 } else { 8751 Slog.e(TAG, "Attmpt to remove content provider " + localCpr 8752 + " with no external reference for token: " 8753 + token + "."); 8754 } 8755 } else { 8756 Slog.e(TAG, "Attmpt to remove content provider: " + localCpr 8757 + " with no external references."); 8758 } 8759 } 8760 } 8761 8762 public final void publishContentProviders(IApplicationThread caller, 8763 List<ContentProviderHolder> providers) { 8764 if (providers == null) { 8765 return; 8766 } 8767 8768 enforceNotIsolatedCaller("publishContentProviders"); 8769 synchronized (this) { 8770 final ProcessRecord r = getRecordForAppLocked(caller); 8771 if (DEBUG_MU) 8772 Slog.v(TAG_MU, "ProcessRecord uid = " + r.uid); 8773 if (r == null) { 8774 throw new SecurityException( 8775 "Unable to find app for caller " + caller 8776 + " (pid=" + Binder.getCallingPid() 8777 + ") when publishing content providers"); 8778 } 8779 8780 final long origId = Binder.clearCallingIdentity(); 8781 8782 final int N = providers.size(); 8783 for (int i=0; i<N; i++) { 8784 ContentProviderHolder src = providers.get(i); 8785 if (src == null || src.info == null || src.provider == null) { 8786 continue; 8787 } 8788 ContentProviderRecord dst = r.pubProviders.get(src.info.name); 8789 if (DEBUG_MU) 8790 Slog.v(TAG_MU, "ContentProviderRecord uid = " + dst.uid); 8791 if (dst != null) { 8792 ComponentName comp = new ComponentName(dst.info.packageName, dst.info.name); 8793 mProviderMap.putProviderByClass(comp, dst); 8794 String names[] = dst.info.authority.split(";"); 8795 for (int j = 0; j < names.length; j++) { 8796 mProviderMap.putProviderByName(names[j], dst); 8797 } 8798 8799 int NL = mLaunchingProviders.size(); 8800 int j; 8801 for (j=0; j<NL; j++) { 8802 if (mLaunchingProviders.get(j) == dst) { 8803 mLaunchingProviders.remove(j); 8804 j--; 8805 NL--; 8806 } 8807 } 8808 synchronized (dst) { 8809 dst.provider = src.provider; 8810 dst.proc = r; 8811 dst.notifyAll(); 8812 } 8813 updateOomAdjLocked(r); 8814 } 8815 } 8816 8817 Binder.restoreCallingIdentity(origId); 8818 } 8819 } 8820 8821 public boolean refContentProvider(IBinder connection, int stable, int unstable) { 8822 ContentProviderConnection conn; 8823 try { 8824 conn = (ContentProviderConnection)connection; 8825 } catch (ClassCastException e) { 8826 String msg ="refContentProvider: " + connection 8827 + " not a ContentProviderConnection"; 8828 Slog.w(TAG, msg); 8829 throw new IllegalArgumentException(msg); 8830 } 8831 if (conn == null) { 8832 throw new NullPointerException("connection is null"); 8833 } 8834 8835 synchronized (this) { 8836 if (stable > 0) { 8837 conn.numStableIncs += stable; 8838 } 8839 stable = conn.stableCount + stable; 8840 if (stable < 0) { 8841 throw new IllegalStateException("stableCount < 0: " + stable); 8842 } 8843 8844 if (unstable > 0) { 8845 conn.numUnstableIncs += unstable; 8846 } 8847 unstable = conn.unstableCount + unstable; 8848 if (unstable < 0) { 8849 throw new IllegalStateException("unstableCount < 0: " + unstable); 8850 } 8851 8852 if ((stable+unstable) <= 0) { 8853 throw new IllegalStateException("ref counts can't go to zero here: stable=" 8854 + stable + " unstable=" + unstable); 8855 } 8856 conn.stableCount = stable; 8857 conn.unstableCount = unstable; 8858 return !conn.dead; 8859 } 8860 } 8861 8862 public void unstableProviderDied(IBinder connection) { 8863 ContentProviderConnection conn; 8864 try { 8865 conn = (ContentProviderConnection)connection; 8866 } catch (ClassCastException e) { 8867 String msg ="refContentProvider: " + connection 8868 + " not a ContentProviderConnection"; 8869 Slog.w(TAG, msg); 8870 throw new IllegalArgumentException(msg); 8871 } 8872 if (conn == null) { 8873 throw new NullPointerException("connection is null"); 8874 } 8875 8876 // Safely retrieve the content provider associated with the connection. 8877 IContentProvider provider; 8878 synchronized (this) { 8879 provider = conn.provider.provider; 8880 } 8881 8882 if (provider == null) { 8883 // Um, yeah, we're way ahead of you. 8884 return; 8885 } 8886 8887 // Make sure the caller is being honest with us. 8888 if (provider.asBinder().pingBinder()) { 8889 // Er, no, still looks good to us. 8890 synchronized (this) { 8891 Slog.w(TAG, "unstableProviderDied: caller " + Binder.getCallingUid() 8892 + " says " + conn + " died, but we don't agree"); 8893 return; 8894 } 8895 } 8896 8897 // Well look at that! It's dead! 8898 synchronized (this) { 8899 if (conn.provider.provider != provider) { 8900 // But something changed... good enough. 8901 return; 8902 } 8903 8904 ProcessRecord proc = conn.provider.proc; 8905 if (proc == null || proc.thread == null) { 8906 // Seems like the process is already cleaned up. 8907 return; 8908 } 8909 8910 // As far as we're concerned, this is just like receiving a 8911 // death notification... just a bit prematurely. 8912 Slog.i(TAG, "Process " + proc.processName + " (pid " + proc.pid 8913 + ") early provider death"); 8914 final long ident = Binder.clearCallingIdentity(); 8915 try { 8916 appDiedLocked(proc, proc.pid, proc.thread); 8917 } finally { 8918 Binder.restoreCallingIdentity(ident); 8919 } 8920 } 8921 } 8922 8923 @Override 8924 public void appNotRespondingViaProvider(IBinder connection) { 8925 enforceCallingPermission( 8926 android.Manifest.permission.REMOVE_TASKS, "appNotRespondingViaProvider()"); 8927 8928 final ContentProviderConnection conn = (ContentProviderConnection) connection; 8929 if (conn == null) { 8930 Slog.w(TAG, "ContentProviderConnection is null"); 8931 return; 8932 } 8933 8934 final ProcessRecord host = conn.provider.proc; 8935 if (host == null) { 8936 Slog.w(TAG, "Failed to find hosting ProcessRecord"); 8937 return; 8938 } 8939 8940 final long token = Binder.clearCallingIdentity(); 8941 try { 8942 appNotResponding(host, null, null, false, "ContentProvider not responding"); 8943 } finally { 8944 Binder.restoreCallingIdentity(token); 8945 } 8946 } 8947 8948 public final void installSystemProviders() { 8949 List<ProviderInfo> providers; 8950 synchronized (this) { 8951 ProcessRecord app = mProcessNames.get("system", Process.SYSTEM_UID); 8952 providers = generateApplicationProvidersLocked(app); 8953 if (providers != null) { 8954 for (int i=providers.size()-1; i>=0; i--) { 8955 ProviderInfo pi = (ProviderInfo)providers.get(i); 8956 if ((pi.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8957 Slog.w(TAG, "Not installing system proc provider " + pi.name 8958 + ": not system .apk"); 8959 providers.remove(i); 8960 } 8961 } 8962 } 8963 } 8964 if (providers != null) { 8965 mSystemThread.installSystemProviders(providers); 8966 } 8967 8968 mCoreSettingsObserver = new CoreSettingsObserver(this); 8969 8970 //mUsageStatsService.monitorPackages(); 8971 } 8972 8973 /** 8974 * Allows app to retrieve the MIME type of a URI without having permission 8975 * to access its content provider. 8976 * 8977 * CTS tests for this functionality can be run with "runtest cts-appsecurity". 8978 * 8979 * Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/ 8980 * src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java 8981 */ 8982 public String getProviderMimeType(Uri uri, int userId) { 8983 enforceNotIsolatedCaller("getProviderMimeType"); 8984 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 8985 userId, false, ALLOW_NON_FULL_IN_PROFILE, "getProviderMimeType", null); 8986 final String name = uri.getAuthority(); 8987 final long ident = Binder.clearCallingIdentity(); 8988 ContentProviderHolder holder = null; 8989 8990 try { 8991 holder = getContentProviderExternalUnchecked(name, null, userId); 8992 if (holder != null) { 8993 return holder.provider.getType(uri); 8994 } 8995 } catch (RemoteException e) { 8996 Log.w(TAG, "Content provider dead retrieving " + uri, e); 8997 return null; 8998 } finally { 8999 if (holder != null) { 9000 removeContentProviderExternalUnchecked(name, null, userId); 9001 } 9002 Binder.restoreCallingIdentity(ident); 9003 } 9004 9005 return null; 9006 } 9007 9008 // ========================================================= 9009 // GLOBAL MANAGEMENT 9010 // ========================================================= 9011 9012 final ProcessRecord newProcessRecordLocked(ApplicationInfo info, String customProcess, 9013 boolean isolated, int isolatedUid) { 9014 String proc = customProcess != null ? customProcess : info.processName; 9015 BatteryStatsImpl.Uid.Proc ps = null; 9016 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 9017 int uid = info.uid; 9018 if (isolated) { 9019 if (isolatedUid == 0) { 9020 int userId = UserHandle.getUserId(uid); 9021 int stepsLeft = Process.LAST_ISOLATED_UID - Process.FIRST_ISOLATED_UID + 1; 9022 while (true) { 9023 if (mNextIsolatedProcessUid < Process.FIRST_ISOLATED_UID 9024 || mNextIsolatedProcessUid > Process.LAST_ISOLATED_UID) { 9025 mNextIsolatedProcessUid = Process.FIRST_ISOLATED_UID; 9026 } 9027 uid = UserHandle.getUid(userId, mNextIsolatedProcessUid); 9028 mNextIsolatedProcessUid++; 9029 if (mIsolatedProcesses.indexOfKey(uid) < 0) { 9030 // No process for this uid, use it. 9031 break; 9032 } 9033 stepsLeft--; 9034 if (stepsLeft <= 0) { 9035 return null; 9036 } 9037 } 9038 } else { 9039 // Special case for startIsolatedProcess (internal only), where 9040 // the uid of the isolated process is specified by the caller. 9041 uid = isolatedUid; 9042 } 9043 } 9044 return new ProcessRecord(stats, info, proc, uid); 9045 } 9046 9047 final ProcessRecord addAppLocked(ApplicationInfo info, boolean isolated, 9048 String abiOverride) { 9049 ProcessRecord app; 9050 if (!isolated) { 9051 app = getProcessRecordLocked(info.processName, info.uid, true); 9052 } else { 9053 app = null; 9054 } 9055 9056 if (app == null) { 9057 app = newProcessRecordLocked(info, null, isolated, 0); 9058 mProcessNames.put(info.processName, app.uid, app); 9059 if (isolated) { 9060 mIsolatedProcesses.put(app.uid, app); 9061 } 9062 updateLruProcessLocked(app, false, null); 9063 updateOomAdjLocked(); 9064 } 9065 9066 // This package really, really can not be stopped. 9067 try { 9068 AppGlobals.getPackageManager().setPackageStoppedState( 9069 info.packageName, false, UserHandle.getUserId(app.uid)); 9070 } catch (RemoteException e) { 9071 } catch (IllegalArgumentException e) { 9072 Slog.w(TAG, "Failed trying to unstop package " 9073 + info.packageName + ": " + e); 9074 } 9075 9076 if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) 9077 == (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) { 9078 app.persistent = true; 9079 app.maxAdj = ProcessList.PERSISTENT_PROC_ADJ; 9080 } 9081 if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) { 9082 mPersistentStartingProcesses.add(app); 9083 startProcessLocked(app, "added application", app.processName, abiOverride, 9084 null /* entryPoint */, null /* entryPointArgs */); 9085 } 9086 9087 return app; 9088 } 9089 9090 public void unhandledBack() { 9091 enforceCallingPermission(android.Manifest.permission.FORCE_BACK, 9092 "unhandledBack()"); 9093 9094 synchronized(this) { 9095 final long origId = Binder.clearCallingIdentity(); 9096 try { 9097 getFocusedStack().unhandledBackLocked(); 9098 } finally { 9099 Binder.restoreCallingIdentity(origId); 9100 } 9101 } 9102 } 9103 9104 public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException { 9105 enforceNotIsolatedCaller("openContentUri"); 9106 final int userId = UserHandle.getCallingUserId(); 9107 String name = uri.getAuthority(); 9108 ContentProviderHolder cph = getContentProviderExternalUnchecked(name, null, userId); 9109 ParcelFileDescriptor pfd = null; 9110 if (cph != null) { 9111 // We record the binder invoker's uid in thread-local storage before 9112 // going to the content provider to open the file. Later, in the code 9113 // that handles all permissions checks, we look for this uid and use 9114 // that rather than the Activity Manager's own uid. The effect is that 9115 // we do the check against the caller's permissions even though it looks 9116 // to the content provider like the Activity Manager itself is making 9117 // the request. 9118 sCallerIdentity.set(new Identity( 9119 Binder.getCallingPid(), Binder.getCallingUid())); 9120 try { 9121 pfd = cph.provider.openFile(null, uri, "r", null); 9122 } catch (FileNotFoundException e) { 9123 // do nothing; pfd will be returned null 9124 } finally { 9125 // Ensure that whatever happens, we clean up the identity state 9126 sCallerIdentity.remove(); 9127 } 9128 9129 // We've got the fd now, so we're done with the provider. 9130 removeContentProviderExternalUnchecked(name, null, userId); 9131 } else { 9132 Slog.d(TAG, "Failed to get provider for authority '" + name + "'"); 9133 } 9134 return pfd; 9135 } 9136 9137 // Actually is sleeping or shutting down or whatever else in the future 9138 // is an inactive state. 9139 public boolean isSleepingOrShuttingDown() { 9140 return mSleeping || mShuttingDown; 9141 } 9142 9143 public boolean isSleeping() { 9144 return mSleeping; 9145 } 9146 9147 void goingToSleep() { 9148 synchronized(this) { 9149 mWentToSleep = true; 9150 updateEventDispatchingLocked(); 9151 goToSleepIfNeededLocked(); 9152 } 9153 } 9154 9155 void finishRunningVoiceLocked() { 9156 if (mRunningVoice) { 9157 mRunningVoice = false; 9158 goToSleepIfNeededLocked(); 9159 } 9160 } 9161 9162 void goToSleepIfNeededLocked() { 9163 if (mWentToSleep && !mRunningVoice) { 9164 if (!mSleeping) { 9165 mSleeping = true; 9166 mStackSupervisor.goingToSleepLocked(); 9167 9168 // Initialize the wake times of all processes. 9169 checkExcessivePowerUsageLocked(false); 9170 mHandler.removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 9171 Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); 9172 mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); 9173 } 9174 } 9175 } 9176 9177 void notifyTaskPersisterLocked(TaskRecord task, boolean flush) { 9178 if (task != null && task.stack != null && task.stack.isHomeStack()) { 9179 // Never persist the home stack. 9180 return; 9181 } 9182 mTaskPersister.wakeup(task, flush); 9183 } 9184 9185 @Override 9186 public boolean shutdown(int timeout) { 9187 if (checkCallingPermission(android.Manifest.permission.SHUTDOWN) 9188 != PackageManager.PERMISSION_GRANTED) { 9189 throw new SecurityException("Requires permission " 9190 + android.Manifest.permission.SHUTDOWN); 9191 } 9192 9193 boolean timedout = false; 9194 9195 synchronized(this) { 9196 mShuttingDown = true; 9197 updateEventDispatchingLocked(); 9198 timedout = mStackSupervisor.shutdownLocked(timeout); 9199 } 9200 9201 mAppOpsService.shutdown(); 9202 if (mUsageStatsService != null) { 9203 mUsageStatsService.prepareShutdown(); 9204 } 9205 mBatteryStatsService.shutdown(); 9206 synchronized (this) { 9207 mProcessStats.shutdownLocked(); 9208 } 9209 notifyTaskPersisterLocked(null, true); 9210 9211 return timedout; 9212 } 9213 9214 public final void activitySlept(IBinder token) { 9215 if (localLOGV) Slog.v(TAG, "Activity slept: token=" + token); 9216 9217 final long origId = Binder.clearCallingIdentity(); 9218 9219 synchronized (this) { 9220 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9221 if (r != null) { 9222 mStackSupervisor.activitySleptLocked(r); 9223 } 9224 } 9225 9226 Binder.restoreCallingIdentity(origId); 9227 } 9228 9229 void logLockScreen(String msg) { 9230 if (DEBUG_LOCKSCREEN) Slog.d(TAG, Debug.getCallers(2) + ":" + msg + 9231 " mLockScreenShown=" + mLockScreenShown + " mWentToSleep=" + 9232 mWentToSleep + " mSleeping=" + mSleeping + " mDismissKeyguardOnNextActivity=" + 9233 mStackSupervisor.mDismissKeyguardOnNextActivity); 9234 } 9235 9236 private void comeOutOfSleepIfNeededLocked() { 9237 if ((!mWentToSleep && !mLockScreenShown) || mRunningVoice) { 9238 if (mSleeping) { 9239 mSleeping = false; 9240 mStackSupervisor.comeOutOfSleepIfNeededLocked(); 9241 } 9242 } 9243 } 9244 9245 void wakingUp() { 9246 synchronized(this) { 9247 mWentToSleep = false; 9248 updateEventDispatchingLocked(); 9249 comeOutOfSleepIfNeededLocked(); 9250 } 9251 } 9252 9253 void startRunningVoiceLocked() { 9254 if (!mRunningVoice) { 9255 mRunningVoice = true; 9256 comeOutOfSleepIfNeededLocked(); 9257 } 9258 } 9259 9260 private void updateEventDispatchingLocked() { 9261 mWindowManager.setEventDispatching(mBooted && !mWentToSleep && !mShuttingDown); 9262 } 9263 9264 public void setLockScreenShown(boolean shown) { 9265 if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER) 9266 != PackageManager.PERMISSION_GRANTED) { 9267 throw new SecurityException("Requires permission " 9268 + android.Manifest.permission.DEVICE_POWER); 9269 } 9270 9271 synchronized(this) { 9272 long ident = Binder.clearCallingIdentity(); 9273 try { 9274 if (DEBUG_LOCKSCREEN) logLockScreen(" shown=" + shown); 9275 mLockScreenShown = shown; 9276 comeOutOfSleepIfNeededLocked(); 9277 } finally { 9278 Binder.restoreCallingIdentity(ident); 9279 } 9280 } 9281 } 9282 9283 @Override 9284 public void stopAppSwitches() { 9285 if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) 9286 != PackageManager.PERMISSION_GRANTED) { 9287 throw new SecurityException("Requires permission " 9288 + android.Manifest.permission.STOP_APP_SWITCHES); 9289 } 9290 9291 synchronized(this) { 9292 mAppSwitchesAllowedTime = SystemClock.uptimeMillis() 9293 + APP_SWITCH_DELAY_TIME; 9294 mDidAppSwitch = false; 9295 mHandler.removeMessages(DO_PENDING_ACTIVITY_LAUNCHES_MSG); 9296 Message msg = mHandler.obtainMessage(DO_PENDING_ACTIVITY_LAUNCHES_MSG); 9297 mHandler.sendMessageDelayed(msg, APP_SWITCH_DELAY_TIME); 9298 } 9299 } 9300 9301 public void resumeAppSwitches() { 9302 if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) 9303 != PackageManager.PERMISSION_GRANTED) { 9304 throw new SecurityException("Requires permission " 9305 + android.Manifest.permission.STOP_APP_SWITCHES); 9306 } 9307 9308 synchronized(this) { 9309 // Note that we don't execute any pending app switches... we will 9310 // let those wait until either the timeout, or the next start 9311 // activity request. 9312 mAppSwitchesAllowedTime = 0; 9313 } 9314 } 9315 9316 boolean checkAppSwitchAllowedLocked(int callingPid, int callingUid, 9317 String name) { 9318 if (mAppSwitchesAllowedTime < SystemClock.uptimeMillis()) { 9319 return true; 9320 } 9321 9322 final int perm = checkComponentPermission( 9323 android.Manifest.permission.STOP_APP_SWITCHES, callingPid, 9324 callingUid, -1, true); 9325 if (perm == PackageManager.PERMISSION_GRANTED) { 9326 return true; 9327 } 9328 9329 Slog.w(TAG, name + " request from " + callingUid + " stopped"); 9330 return false; 9331 } 9332 9333 public void setDebugApp(String packageName, boolean waitForDebugger, 9334 boolean persistent) { 9335 enforceCallingPermission(android.Manifest.permission.SET_DEBUG_APP, 9336 "setDebugApp()"); 9337 9338 long ident = Binder.clearCallingIdentity(); 9339 try { 9340 // Note that this is not really thread safe if there are multiple 9341 // callers into it at the same time, but that's not a situation we 9342 // care about. 9343 if (persistent) { 9344 final ContentResolver resolver = mContext.getContentResolver(); 9345 Settings.Global.putString( 9346 resolver, Settings.Global.DEBUG_APP, 9347 packageName); 9348 Settings.Global.putInt( 9349 resolver, Settings.Global.WAIT_FOR_DEBUGGER, 9350 waitForDebugger ? 1 : 0); 9351 } 9352 9353 synchronized (this) { 9354 if (!persistent) { 9355 mOrigDebugApp = mDebugApp; 9356 mOrigWaitForDebugger = mWaitForDebugger; 9357 } 9358 mDebugApp = packageName; 9359 mWaitForDebugger = waitForDebugger; 9360 mDebugTransient = !persistent; 9361 if (packageName != null) { 9362 forceStopPackageLocked(packageName, -1, false, false, true, true, 9363 false, UserHandle.USER_ALL, "set debug app"); 9364 } 9365 } 9366 } finally { 9367 Binder.restoreCallingIdentity(ident); 9368 } 9369 } 9370 9371 void setOpenGlTraceApp(ApplicationInfo app, String processName) { 9372 synchronized (this) { 9373 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 9374 if (!isDebuggable) { 9375 if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 9376 throw new SecurityException("Process not debuggable: " + app.packageName); 9377 } 9378 } 9379 9380 mOpenGlTraceApp = processName; 9381 } 9382 } 9383 9384 void setProfileApp(ApplicationInfo app, String processName, String profileFile, 9385 ParcelFileDescriptor profileFd, boolean autoStopProfiler) { 9386 synchronized (this) { 9387 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 9388 if (!isDebuggable) { 9389 if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 9390 throw new SecurityException("Process not debuggable: " + app.packageName); 9391 } 9392 } 9393 mProfileApp = processName; 9394 mProfileFile = profileFile; 9395 if (mProfileFd != null) { 9396 try { 9397 mProfileFd.close(); 9398 } catch (IOException e) { 9399 } 9400 mProfileFd = null; 9401 } 9402 mProfileFd = profileFd; 9403 mProfileType = 0; 9404 mAutoStopProfiler = autoStopProfiler; 9405 } 9406 } 9407 9408 @Override 9409 public void setAlwaysFinish(boolean enabled) { 9410 enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH, 9411 "setAlwaysFinish()"); 9412 9413 Settings.Global.putInt( 9414 mContext.getContentResolver(), 9415 Settings.Global.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0); 9416 9417 synchronized (this) { 9418 mAlwaysFinishActivities = enabled; 9419 } 9420 } 9421 9422 @Override 9423 public void setActivityController(IActivityController controller) { 9424 enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, 9425 "setActivityController()"); 9426 synchronized (this) { 9427 mController = controller; 9428 Watchdog.getInstance().setActivityController(controller); 9429 } 9430 } 9431 9432 @Override 9433 public void setUserIsMonkey(boolean userIsMonkey) { 9434 synchronized (this) { 9435 synchronized (mPidsSelfLocked) { 9436 final int callingPid = Binder.getCallingPid(); 9437 ProcessRecord precessRecord = mPidsSelfLocked.get(callingPid); 9438 if (precessRecord == null) { 9439 throw new SecurityException("Unknown process: " + callingPid); 9440 } 9441 if (precessRecord.instrumentationUiAutomationConnection == null) { 9442 throw new SecurityException("Only an instrumentation process " 9443 + "with a UiAutomation can call setUserIsMonkey"); 9444 } 9445 } 9446 mUserIsMonkey = userIsMonkey; 9447 } 9448 } 9449 9450 @Override 9451 public boolean isUserAMonkey() { 9452 synchronized (this) { 9453 // If there is a controller also implies the user is a monkey. 9454 return (mUserIsMonkey || mController != null); 9455 } 9456 } 9457 9458 public void requestBugReport() { 9459 enforceCallingPermission(android.Manifest.permission.DUMP, "requestBugReport"); 9460 SystemProperties.set("ctl.start", "bugreport"); 9461 } 9462 9463 public static long getInputDispatchingTimeoutLocked(ActivityRecord r) { 9464 return r != null ? getInputDispatchingTimeoutLocked(r.app) : KEY_DISPATCHING_TIMEOUT; 9465 } 9466 9467 public static long getInputDispatchingTimeoutLocked(ProcessRecord r) { 9468 if (r != null && (r.instrumentationClass != null || r.usingWrapper)) { 9469 return INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT; 9470 } 9471 return KEY_DISPATCHING_TIMEOUT; 9472 } 9473 9474 @Override 9475 public long inputDispatchingTimedOut(int pid, final boolean aboveSystem, String reason) { 9476 if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) 9477 != PackageManager.PERMISSION_GRANTED) { 9478 throw new SecurityException("Requires permission " 9479 + android.Manifest.permission.FILTER_EVENTS); 9480 } 9481 ProcessRecord proc; 9482 long timeout; 9483 synchronized (this) { 9484 synchronized (mPidsSelfLocked) { 9485 proc = mPidsSelfLocked.get(pid); 9486 } 9487 timeout = getInputDispatchingTimeoutLocked(proc); 9488 } 9489 9490 if (!inputDispatchingTimedOut(proc, null, null, aboveSystem, reason)) { 9491 return -1; 9492 } 9493 9494 return timeout; 9495 } 9496 9497 /** 9498 * Handle input dispatching timeouts. 9499 * Returns whether input dispatching should be aborted or not. 9500 */ 9501 public boolean inputDispatchingTimedOut(final ProcessRecord proc, 9502 final ActivityRecord activity, final ActivityRecord parent, 9503 final boolean aboveSystem, String reason) { 9504 if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) 9505 != PackageManager.PERMISSION_GRANTED) { 9506 throw new SecurityException("Requires permission " 9507 + android.Manifest.permission.FILTER_EVENTS); 9508 } 9509 9510 final String annotation; 9511 if (reason == null) { 9512 annotation = "Input dispatching timed out"; 9513 } else { 9514 annotation = "Input dispatching timed out (" + reason + ")"; 9515 } 9516 9517 if (proc != null) { 9518 synchronized (this) { 9519 if (proc.debugging) { 9520 return false; 9521 } 9522 9523 if (mDidDexOpt) { 9524 // Give more time since we were dexopting. 9525 mDidDexOpt = false; 9526 return false; 9527 } 9528 9529 if (proc.instrumentationClass != null) { 9530 Bundle info = new Bundle(); 9531 info.putString("shortMsg", "keyDispatchingTimedOut"); 9532 info.putString("longMsg", annotation); 9533 finishInstrumentationLocked(proc, Activity.RESULT_CANCELED, info); 9534 return true; 9535 } 9536 } 9537 mHandler.post(new Runnable() { 9538 @Override 9539 public void run() { 9540 appNotResponding(proc, activity, parent, aboveSystem, annotation); 9541 } 9542 }); 9543 } 9544 9545 return true; 9546 } 9547 9548 public Bundle getAssistContextExtras(int requestType) { 9549 enforceCallingPermission(android.Manifest.permission.GET_TOP_ACTIVITY_INFO, 9550 "getAssistContextExtras()"); 9551 PendingAssistExtras pae; 9552 Bundle extras = new Bundle(); 9553 synchronized (this) { 9554 ActivityRecord activity = getFocusedStack().mResumedActivity; 9555 if (activity == null) { 9556 Slog.w(TAG, "getAssistContextExtras failed: no resumed activity"); 9557 return null; 9558 } 9559 extras.putString(Intent.EXTRA_ASSIST_PACKAGE, activity.packageName); 9560 if (activity.app == null || activity.app.thread == null) { 9561 Slog.w(TAG, "getAssistContextExtras failed: no process for " + activity); 9562 return extras; 9563 } 9564 if (activity.app.pid == Binder.getCallingPid()) { 9565 Slog.w(TAG, "getAssistContextExtras failed: request process same as " + activity); 9566 return extras; 9567 } 9568 pae = new PendingAssistExtras(activity); 9569 try { 9570 activity.app.thread.requestAssistContextExtras(activity.appToken, pae, 9571 requestType); 9572 mPendingAssistExtras.add(pae); 9573 mHandler.postDelayed(pae, PENDING_ASSIST_EXTRAS_TIMEOUT); 9574 } catch (RemoteException e) { 9575 Slog.w(TAG, "getAssistContextExtras failed: crash calling " + activity); 9576 return extras; 9577 } 9578 } 9579 synchronized (pae) { 9580 while (!pae.haveResult) { 9581 try { 9582 pae.wait(); 9583 } catch (InterruptedException e) { 9584 } 9585 } 9586 if (pae.result != null) { 9587 extras.putBundle(Intent.EXTRA_ASSIST_CONTEXT, pae.result); 9588 } 9589 } 9590 synchronized (this) { 9591 mPendingAssistExtras.remove(pae); 9592 mHandler.removeCallbacks(pae); 9593 } 9594 return extras; 9595 } 9596 9597 public void reportAssistContextExtras(IBinder token, Bundle extras) { 9598 PendingAssistExtras pae = (PendingAssistExtras)token; 9599 synchronized (pae) { 9600 pae.result = extras; 9601 pae.haveResult = true; 9602 pae.notifyAll(); 9603 } 9604 } 9605 9606 public void registerProcessObserver(IProcessObserver observer) { 9607 enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, 9608 "registerProcessObserver()"); 9609 synchronized (this) { 9610 mProcessObservers.register(observer); 9611 } 9612 } 9613 9614 @Override 9615 public void unregisterProcessObserver(IProcessObserver observer) { 9616 synchronized (this) { 9617 mProcessObservers.unregister(observer); 9618 } 9619 } 9620 9621 @Override 9622 public boolean convertFromTranslucent(IBinder token) { 9623 final long origId = Binder.clearCallingIdentity(); 9624 try { 9625 synchronized (this) { 9626 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9627 if (r == null) { 9628 return false; 9629 } 9630 if (r.changeWindowTranslucency(true)) { 9631 mWindowManager.setAppFullscreen(token, true); 9632 r.task.stack.releaseMediaResources(); 9633 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 9634 return true; 9635 } 9636 return false; 9637 } 9638 } finally { 9639 Binder.restoreCallingIdentity(origId); 9640 } 9641 } 9642 9643 @Override 9644 public boolean convertToTranslucent(IBinder token, ActivityOptions options) { 9645 final long origId = Binder.clearCallingIdentity(); 9646 try { 9647 synchronized (this) { 9648 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9649 if (r == null) { 9650 return false; 9651 } 9652 int index = r.task.mActivities.lastIndexOf(r); 9653 if (index > 0) { 9654 ActivityRecord under = r.task.mActivities.get(index - 1); 9655 under.returningOptions = options; 9656 } 9657 if (r.changeWindowTranslucency(false)) { 9658 r.task.stack.convertToTranslucent(r); 9659 mWindowManager.setAppFullscreen(token, false); 9660 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 9661 return true; 9662 } else { 9663 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0); 9664 return false; 9665 } 9666 } 9667 } finally { 9668 Binder.restoreCallingIdentity(origId); 9669 } 9670 } 9671 9672 @Override 9673 public boolean setMediaPlaying(IBinder token, boolean playing) { 9674 final long origId = Binder.clearCallingIdentity(); 9675 try { 9676 synchronized (this) { 9677 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9678 if (r != null) { 9679 return mStackSupervisor.setMediaPlayingLocked(r, playing); 9680 } 9681 } 9682 return false; 9683 } finally { 9684 Binder.restoreCallingIdentity(origId); 9685 } 9686 } 9687 9688 @Override 9689 public boolean isBackgroundMediaPlaying(IBinder token) { 9690 final long origId = Binder.clearCallingIdentity(); 9691 try { 9692 synchronized (this) { 9693 final ActivityStack stack = ActivityRecord.getStackLocked(token); 9694 final boolean playing = stack == null ? false : stack.isMediaPlaying(); 9695 if (ActivityStackSupervisor.DEBUG_MEDIA_VISIBILITY) Slog.d(TAG, 9696 "isBackgroundMediaPlaying: stack=" + stack + " playing=" + playing); 9697 return playing; 9698 } 9699 } finally { 9700 Binder.restoreCallingIdentity(origId); 9701 } 9702 } 9703 9704 @Override 9705 public ActivityOptions getActivityOptions(IBinder token) { 9706 final long origId = Binder.clearCallingIdentity(); 9707 try { 9708 synchronized (this) { 9709 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9710 if (r != null) { 9711 final ActivityOptions activityOptions = r.pendingOptions; 9712 r.pendingOptions = null; 9713 return activityOptions; 9714 } 9715 return null; 9716 } 9717 } finally { 9718 Binder.restoreCallingIdentity(origId); 9719 } 9720 } 9721 9722 @Override 9723 public void setImmersive(IBinder token, boolean immersive) { 9724 synchronized(this) { 9725 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 9726 if (r == null) { 9727 throw new IllegalArgumentException(); 9728 } 9729 r.immersive = immersive; 9730 9731 // update associated state if we're frontmost 9732 if (r == mFocusedActivity) { 9733 if (DEBUG_IMMERSIVE) { 9734 Slog.d(TAG, "Frontmost changed immersion: "+ r); 9735 } 9736 applyUpdateLockStateLocked(r); 9737 } 9738 } 9739 } 9740 9741 @Override 9742 public boolean isImmersive(IBinder token) { 9743 synchronized (this) { 9744 ActivityRecord r = ActivityRecord.isInStackLocked(token); 9745 if (r == null) { 9746 throw new IllegalArgumentException(); 9747 } 9748 return r.immersive; 9749 } 9750 } 9751 9752 public boolean isTopActivityImmersive() { 9753 enforceNotIsolatedCaller("startActivity"); 9754 synchronized (this) { 9755 ActivityRecord r = getFocusedStack().topRunningActivityLocked(null); 9756 return (r != null) ? r.immersive : false; 9757 } 9758 } 9759 9760 @Override 9761 public boolean isTopOfTask(IBinder token) { 9762 synchronized (this) { 9763 ActivityRecord r = ActivityRecord.isInStackLocked(token); 9764 if (r == null) { 9765 throw new IllegalArgumentException(); 9766 } 9767 return r.task.getTopActivity() == r; 9768 } 9769 } 9770 9771 public final void enterSafeMode() { 9772 synchronized(this) { 9773 // It only makes sense to do this before the system is ready 9774 // and started launching other packages. 9775 if (!mSystemReady) { 9776 try { 9777 AppGlobals.getPackageManager().enterSafeMode(); 9778 } catch (RemoteException e) { 9779 } 9780 } 9781 9782 mSafeMode = true; 9783 } 9784 } 9785 9786 public final void showSafeModeOverlay() { 9787 View v = LayoutInflater.from(mContext).inflate( 9788 com.android.internal.R.layout.safe_mode, null); 9789 WindowManager.LayoutParams lp = new WindowManager.LayoutParams(); 9790 lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY; 9791 lp.width = WindowManager.LayoutParams.WRAP_CONTENT; 9792 lp.height = WindowManager.LayoutParams.WRAP_CONTENT; 9793 lp.gravity = Gravity.BOTTOM | Gravity.START; 9794 lp.format = v.getBackground().getOpacity(); 9795 lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 9796 | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 9797 lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; 9798 ((WindowManager)mContext.getSystemService( 9799 Context.WINDOW_SERVICE)).addView(v, lp); 9800 } 9801 9802 public void noteWakeupAlarm(IIntentSender sender, int sourceUid, String sourcePkg) { 9803 if (!(sender instanceof PendingIntentRecord)) { 9804 return; 9805 } 9806 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 9807 synchronized (stats) { 9808 if (mBatteryStatsService.isOnBattery()) { 9809 mBatteryStatsService.enforceCallingPermission(); 9810 PendingIntentRecord rec = (PendingIntentRecord)sender; 9811 int MY_UID = Binder.getCallingUid(); 9812 int uid = rec.uid == MY_UID ? Process.SYSTEM_UID : rec.uid; 9813 BatteryStatsImpl.Uid.Pkg pkg = 9814 stats.getPackageStatsLocked(sourceUid >= 0 ? sourceUid : uid, 9815 sourcePkg != null ? sourcePkg : rec.key.packageName); 9816 pkg.incWakeupsLocked(); 9817 } 9818 } 9819 } 9820 9821 public boolean killPids(int[] pids, String pReason, boolean secure) { 9822 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 9823 throw new SecurityException("killPids only available to the system"); 9824 } 9825 String reason = (pReason == null) ? "Unknown" : pReason; 9826 // XXX Note: don't acquire main activity lock here, because the window 9827 // manager calls in with its locks held. 9828 9829 boolean killed = false; 9830 synchronized (mPidsSelfLocked) { 9831 int[] types = new int[pids.length]; 9832 int worstType = 0; 9833 for (int i=0; i<pids.length; i++) { 9834 ProcessRecord proc = mPidsSelfLocked.get(pids[i]); 9835 if (proc != null) { 9836 int type = proc.setAdj; 9837 types[i] = type; 9838 if (type > worstType) { 9839 worstType = type; 9840 } 9841 } 9842 } 9843 9844 // If the worst oom_adj is somewhere in the cached proc LRU range, 9845 // then constrain it so we will kill all cached procs. 9846 if (worstType < ProcessList.CACHED_APP_MAX_ADJ 9847 && worstType > ProcessList.CACHED_APP_MIN_ADJ) { 9848 worstType = ProcessList.CACHED_APP_MIN_ADJ; 9849 } 9850 9851 // If this is not a secure call, don't let it kill processes that 9852 // are important. 9853 if (!secure && worstType < ProcessList.SERVICE_ADJ) { 9854 worstType = ProcessList.SERVICE_ADJ; 9855 } 9856 9857 Slog.w(TAG, "Killing processes " + reason + " at adjustment " + worstType); 9858 for (int i=0; i<pids.length; i++) { 9859 ProcessRecord proc = mPidsSelfLocked.get(pids[i]); 9860 if (proc == null) { 9861 continue; 9862 } 9863 int adj = proc.setAdj; 9864 if (adj >= worstType && !proc.killedByAm) { 9865 killUnneededProcessLocked(proc, reason); 9866 killed = true; 9867 } 9868 } 9869 } 9870 return killed; 9871 } 9872 9873 @Override 9874 public void killUid(int uid, String reason) { 9875 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 9876 throw new SecurityException("killUid only available to the system"); 9877 } 9878 synchronized (this) { 9879 killPackageProcessesLocked(null, UserHandle.getAppId(uid), UserHandle.getUserId(uid), 9880 ProcessList.FOREGROUND_APP_ADJ-1, false, true, true, false, 9881 reason != null ? reason : "kill uid"); 9882 } 9883 } 9884 9885 @Override 9886 public boolean killProcessesBelowForeground(String reason) { 9887 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 9888 throw new SecurityException("killProcessesBelowForeground() only available to system"); 9889 } 9890 9891 return killProcessesBelowAdj(ProcessList.FOREGROUND_APP_ADJ, reason); 9892 } 9893 9894 private boolean killProcessesBelowAdj(int belowAdj, String reason) { 9895 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 9896 throw new SecurityException("killProcessesBelowAdj() only available to system"); 9897 } 9898 9899 boolean killed = false; 9900 synchronized (mPidsSelfLocked) { 9901 final int size = mPidsSelfLocked.size(); 9902 for (int i = 0; i < size; i++) { 9903 final int pid = mPidsSelfLocked.keyAt(i); 9904 final ProcessRecord proc = mPidsSelfLocked.valueAt(i); 9905 if (proc == null) continue; 9906 9907 final int adj = proc.setAdj; 9908 if (adj > belowAdj && !proc.killedByAm) { 9909 killUnneededProcessLocked(proc, reason); 9910 killed = true; 9911 } 9912 } 9913 } 9914 return killed; 9915 } 9916 9917 @Override 9918 public void hang(final IBinder who, boolean allowRestart) { 9919 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 9920 != PackageManager.PERMISSION_GRANTED) { 9921 throw new SecurityException("Requires permission " 9922 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 9923 } 9924 9925 final IBinder.DeathRecipient death = new DeathRecipient() { 9926 @Override 9927 public void binderDied() { 9928 synchronized (this) { 9929 notifyAll(); 9930 } 9931 } 9932 }; 9933 9934 try { 9935 who.linkToDeath(death, 0); 9936 } catch (RemoteException e) { 9937 Slog.w(TAG, "hang: given caller IBinder is already dead."); 9938 return; 9939 } 9940 9941 synchronized (this) { 9942 Watchdog.getInstance().setAllowRestart(allowRestart); 9943 Slog.i(TAG, "Hanging system process at request of pid " + Binder.getCallingPid()); 9944 synchronized (death) { 9945 while (who.isBinderAlive()) { 9946 try { 9947 death.wait(); 9948 } catch (InterruptedException e) { 9949 } 9950 } 9951 } 9952 Watchdog.getInstance().setAllowRestart(true); 9953 } 9954 } 9955 9956 @Override 9957 public void restart() { 9958 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 9959 != PackageManager.PERMISSION_GRANTED) { 9960 throw new SecurityException("Requires permission " 9961 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 9962 } 9963 9964 Log.i(TAG, "Sending shutdown broadcast..."); 9965 9966 BroadcastReceiver br = new BroadcastReceiver() { 9967 @Override public void onReceive(Context context, Intent intent) { 9968 // Now the broadcast is done, finish up the low-level shutdown. 9969 Log.i(TAG, "Shutting down activity manager..."); 9970 shutdown(10000); 9971 Log.i(TAG, "Shutdown complete, restarting!"); 9972 Process.killProcess(Process.myPid()); 9973 System.exit(10); 9974 } 9975 }; 9976 9977 // First send the high-level shut down broadcast. 9978 Intent intent = new Intent(Intent.ACTION_SHUTDOWN); 9979 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9980 intent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true); 9981 /* For now we are not doing a clean shutdown, because things seem to get unhappy. 9982 mContext.sendOrderedBroadcastAsUser(intent, 9983 UserHandle.ALL, null, br, mHandler, 0, null, null); 9984 */ 9985 br.onReceive(mContext, intent); 9986 } 9987 9988 private long getLowRamTimeSinceIdle(long now) { 9989 return mLowRamTimeSinceLastIdle + (mLowRamStartTime > 0 ? (now-mLowRamStartTime) : 0); 9990 } 9991 9992 @Override 9993 public void performIdleMaintenance() { 9994 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 9995 != PackageManager.PERMISSION_GRANTED) { 9996 throw new SecurityException("Requires permission " 9997 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 9998 } 9999 10000 synchronized (this) { 10001 final long now = SystemClock.uptimeMillis(); 10002 final long timeSinceLastIdle = now - mLastIdleTime; 10003 final long lowRamSinceLastIdle = getLowRamTimeSinceIdle(now); 10004 mLastIdleTime = now; 10005 mLowRamTimeSinceLastIdle = 0; 10006 if (mLowRamStartTime != 0) { 10007 mLowRamStartTime = now; 10008 } 10009 10010 StringBuilder sb = new StringBuilder(128); 10011 sb.append("Idle maintenance over "); 10012 TimeUtils.formatDuration(timeSinceLastIdle, sb); 10013 sb.append(" low RAM for "); 10014 TimeUtils.formatDuration(lowRamSinceLastIdle, sb); 10015 Slog.i(TAG, sb.toString()); 10016 10017 // If at least 1/3 of our time since the last idle period has been spent 10018 // with RAM low, then we want to kill processes. 10019 boolean doKilling = lowRamSinceLastIdle > (timeSinceLastIdle/3); 10020 10021 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 10022 ProcessRecord proc = mLruProcesses.get(i); 10023 if (proc.notCachedSinceIdle) { 10024 if (proc.setProcState > ActivityManager.PROCESS_STATE_TOP 10025 && proc.setProcState <= ActivityManager.PROCESS_STATE_SERVICE) { 10026 if (doKilling && proc.initialIdlePss != 0 10027 && proc.lastPss > ((proc.initialIdlePss*3)/2)) { 10028 killUnneededProcessLocked(proc, "idle maint (pss " + proc.lastPss 10029 + " from " + proc.initialIdlePss + ")"); 10030 } 10031 } 10032 } else if (proc.setProcState < ActivityManager.PROCESS_STATE_HOME) { 10033 proc.notCachedSinceIdle = true; 10034 proc.initialIdlePss = 0; 10035 proc.nextPssTime = ProcessList.computeNextPssTime(proc.curProcState, true, 10036 isSleeping(), now); 10037 } 10038 } 10039 10040 mHandler.removeMessages(REQUEST_ALL_PSS_MSG); 10041 mHandler.sendEmptyMessageDelayed(REQUEST_ALL_PSS_MSG, 2*60*1000); 10042 } 10043 } 10044 10045 private void retrieveSettings() { 10046 final ContentResolver resolver = mContext.getContentResolver(); 10047 String debugApp = Settings.Global.getString( 10048 resolver, Settings.Global.DEBUG_APP); 10049 boolean waitForDebugger = Settings.Global.getInt( 10050 resolver, Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0; 10051 boolean alwaysFinishActivities = Settings.Global.getInt( 10052 resolver, Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0; 10053 boolean forceRtl = Settings.Global.getInt( 10054 resolver, Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0; 10055 // Transfer any global setting for forcing RTL layout, into a System Property 10056 SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, forceRtl ? "1":"0"); 10057 10058 Configuration configuration = new Configuration(); 10059 Settings.System.getConfiguration(resolver, configuration); 10060 if (forceRtl) { 10061 // This will take care of setting the correct layout direction flags 10062 configuration.setLayoutDirection(configuration.locale); 10063 } 10064 10065 synchronized (this) { 10066 mDebugApp = mOrigDebugApp = debugApp; 10067 mWaitForDebugger = mOrigWaitForDebugger = waitForDebugger; 10068 mAlwaysFinishActivities = alwaysFinishActivities; 10069 // This happens before any activities are started, so we can 10070 // change mConfiguration in-place. 10071 updateConfigurationLocked(configuration, null, false, true); 10072 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Initial config: " + mConfiguration); 10073 } 10074 } 10075 10076 public boolean testIsSystemReady() { 10077 // no need to synchronize(this) just to read & return the value 10078 return mSystemReady; 10079 } 10080 10081 private static File getCalledPreBootReceiversFile() { 10082 File dataDir = Environment.getDataDirectory(); 10083 File systemDir = new File(dataDir, "system"); 10084 File fname = new File(systemDir, CALLED_PRE_BOOTS_FILENAME); 10085 return fname; 10086 } 10087 10088 private static ArrayList<ComponentName> readLastDonePreBootReceivers() { 10089 ArrayList<ComponentName> lastDoneReceivers = new ArrayList<ComponentName>(); 10090 File file = getCalledPreBootReceiversFile(); 10091 FileInputStream fis = null; 10092 try { 10093 fis = new FileInputStream(file); 10094 DataInputStream dis = new DataInputStream(new BufferedInputStream(fis, 2048)); 10095 int fvers = dis.readInt(); 10096 if (fvers == LAST_PREBOOT_DELIVERED_FILE_VERSION) { 10097 String vers = dis.readUTF(); 10098 String codename = dis.readUTF(); 10099 String build = dis.readUTF(); 10100 if (android.os.Build.VERSION.RELEASE.equals(vers) 10101 && android.os.Build.VERSION.CODENAME.equals(codename) 10102 && android.os.Build.VERSION.INCREMENTAL.equals(build)) { 10103 int num = dis.readInt(); 10104 while (num > 0) { 10105 num--; 10106 String pkg = dis.readUTF(); 10107 String cls = dis.readUTF(); 10108 lastDoneReceivers.add(new ComponentName(pkg, cls)); 10109 } 10110 } 10111 } 10112 } catch (FileNotFoundException e) { 10113 } catch (IOException e) { 10114 Slog.w(TAG, "Failure reading last done pre-boot receivers", e); 10115 } finally { 10116 if (fis != null) { 10117 try { 10118 fis.close(); 10119 } catch (IOException e) { 10120 } 10121 } 10122 } 10123 return lastDoneReceivers; 10124 } 10125 10126 private static void writeLastDonePreBootReceivers(ArrayList<ComponentName> list) { 10127 File file = getCalledPreBootReceiversFile(); 10128 FileOutputStream fos = null; 10129 DataOutputStream dos = null; 10130 try { 10131 fos = new FileOutputStream(file); 10132 dos = new DataOutputStream(new BufferedOutputStream(fos, 2048)); 10133 dos.writeInt(LAST_PREBOOT_DELIVERED_FILE_VERSION); 10134 dos.writeUTF(android.os.Build.VERSION.RELEASE); 10135 dos.writeUTF(android.os.Build.VERSION.CODENAME); 10136 dos.writeUTF(android.os.Build.VERSION.INCREMENTAL); 10137 dos.writeInt(list.size()); 10138 for (int i=0; i<list.size(); i++) { 10139 dos.writeUTF(list.get(i).getPackageName()); 10140 dos.writeUTF(list.get(i).getClassName()); 10141 } 10142 } catch (IOException e) { 10143 Slog.w(TAG, "Failure writing last done pre-boot receivers", e); 10144 file.delete(); 10145 } finally { 10146 FileUtils.sync(fos); 10147 if (dos != null) { 10148 try { 10149 dos.close(); 10150 } catch (IOException e) { 10151 // TODO Auto-generated catch block 10152 e.printStackTrace(); 10153 } 10154 } 10155 } 10156 } 10157 10158 private boolean deliverPreBootCompleted(final Runnable onFinishCallback, 10159 ArrayList<ComponentName> doneReceivers, int userId) { 10160 boolean waitingUpdate = false; 10161 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 10162 List<ResolveInfo> ris = null; 10163 try { 10164 ris = AppGlobals.getPackageManager().queryIntentReceivers( 10165 intent, null, 0, userId); 10166 } catch (RemoteException e) { 10167 } 10168 if (ris != null) { 10169 for (int i=ris.size()-1; i>=0; i--) { 10170 if ((ris.get(i).activityInfo.applicationInfo.flags 10171 &ApplicationInfo.FLAG_SYSTEM) == 0) { 10172 ris.remove(i); 10173 } 10174 } 10175 intent.addFlags(Intent.FLAG_RECEIVER_BOOT_UPGRADE); 10176 10177 // For User 0, load the version number. When delivering to a new user, deliver 10178 // to all receivers. 10179 if (userId == UserHandle.USER_OWNER) { 10180 ArrayList<ComponentName> lastDoneReceivers = readLastDonePreBootReceivers(); 10181 for (int i=0; i<ris.size(); i++) { 10182 ActivityInfo ai = ris.get(i).activityInfo; 10183 ComponentName comp = new ComponentName(ai.packageName, ai.name); 10184 if (lastDoneReceivers.contains(comp)) { 10185 // We already did the pre boot receiver for this app with the current 10186 // platform version, so don't do it again... 10187 ris.remove(i); 10188 i--; 10189 // ...however, do keep it as one that has been done, so we don't 10190 // forget about it when rewriting the file of last done receivers. 10191 doneReceivers.add(comp); 10192 } 10193 } 10194 } 10195 10196 // If primary user, send broadcast to all available users, else just to userId 10197 final int[] users = userId == UserHandle.USER_OWNER ? getUsersLocked() 10198 : new int[] { userId }; 10199 for (int i = 0; i < ris.size(); i++) { 10200 ActivityInfo ai = ris.get(i).activityInfo; 10201 ComponentName comp = new ComponentName(ai.packageName, ai.name); 10202 doneReceivers.add(comp); 10203 intent.setComponent(comp); 10204 for (int j=0; j<users.length; j++) { 10205 IIntentReceiver finisher = null; 10206 // On last receiver and user, set up a completion callback 10207 if (i == ris.size() - 1 && j == users.length - 1 && onFinishCallback != null) { 10208 finisher = new IIntentReceiver.Stub() { 10209 public void performReceive(Intent intent, int resultCode, 10210 String data, Bundle extras, boolean ordered, 10211 boolean sticky, int sendingUser) { 10212 // The raw IIntentReceiver interface is called 10213 // with the AM lock held, so redispatch to 10214 // execute our code without the lock. 10215 mHandler.post(onFinishCallback); 10216 } 10217 }; 10218 } 10219 Slog.i(TAG, "Sending system update to " + intent.getComponent() 10220 + " for user " + users[j]); 10221 broadcastIntentLocked(null, null, intent, null, finisher, 10222 0, null, null, null, AppOpsManager.OP_NONE, 10223 true, false, MY_PID, Process.SYSTEM_UID, 10224 users[j]); 10225 if (finisher != null) { 10226 waitingUpdate = true; 10227 } 10228 } 10229 } 10230 } 10231 10232 return waitingUpdate; 10233 } 10234 10235 public void systemReady(final Runnable goingCallback) { 10236 synchronized(this) { 10237 if (mSystemReady) { 10238 // If we're done calling all the receivers, run the next "boot phase" passed in 10239 // by the SystemServer 10240 if (goingCallback != null) { 10241 goingCallback.run(); 10242 } 10243 return; 10244 } 10245 10246 // Make sure we have the current profile info, since it is needed for 10247 // security checks. 10248 updateCurrentProfileIdsLocked(); 10249 10250 if (mRecentTasks == null) { 10251 mRecentTasks = mTaskPersister.restoreTasksLocked(); 10252 if (!mRecentTasks.isEmpty()) { 10253 mStackSupervisor.createStackForRestoredTaskHistory(mRecentTasks); 10254 } 10255 mTaskPersister.startPersisting(); 10256 } 10257 10258 // Check to see if there are any update receivers to run. 10259 if (!mDidUpdate) { 10260 if (mWaitingUpdate) { 10261 return; 10262 } 10263 final ArrayList<ComponentName> doneReceivers = new ArrayList<ComponentName>(); 10264 mWaitingUpdate = deliverPreBootCompleted(new Runnable() { 10265 public void run() { 10266 synchronized (ActivityManagerService.this) { 10267 mDidUpdate = true; 10268 } 10269 writeLastDonePreBootReceivers(doneReceivers); 10270 showBootMessage(mContext.getText( 10271 R.string.android_upgrading_complete), 10272 false); 10273 systemReady(goingCallback); 10274 } 10275 }, doneReceivers, UserHandle.USER_OWNER); 10276 10277 if (mWaitingUpdate) { 10278 return; 10279 } 10280 mDidUpdate = true; 10281 } 10282 10283 mAppOpsService.systemReady(); 10284 mSystemReady = true; 10285 } 10286 10287 ArrayList<ProcessRecord> procsToKill = null; 10288 synchronized(mPidsSelfLocked) { 10289 for (int i=mPidsSelfLocked.size()-1; i>=0; i--) { 10290 ProcessRecord proc = mPidsSelfLocked.valueAt(i); 10291 if (!isAllowedWhileBooting(proc.info)){ 10292 if (procsToKill == null) { 10293 procsToKill = new ArrayList<ProcessRecord>(); 10294 } 10295 procsToKill.add(proc); 10296 } 10297 } 10298 } 10299 10300 synchronized(this) { 10301 if (procsToKill != null) { 10302 for (int i=procsToKill.size()-1; i>=0; i--) { 10303 ProcessRecord proc = procsToKill.get(i); 10304 Slog.i(TAG, "Removing system update proc: " + proc); 10305 removeProcessLocked(proc, true, false, "system update done"); 10306 } 10307 } 10308 10309 // Now that we have cleaned up any update processes, we 10310 // are ready to start launching real processes and know that 10311 // we won't trample on them any more. 10312 mProcessesReady = true; 10313 } 10314 10315 Slog.i(TAG, "System now ready"); 10316 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_AMS_READY, 10317 SystemClock.uptimeMillis()); 10318 10319 synchronized(this) { 10320 // Make sure we have no pre-ready processes sitting around. 10321 10322 if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL) { 10323 ResolveInfo ri = mContext.getPackageManager() 10324 .resolveActivity(new Intent(Intent.ACTION_FACTORY_TEST), 10325 STOCK_PM_FLAGS); 10326 CharSequence errorMsg = null; 10327 if (ri != null) { 10328 ActivityInfo ai = ri.activityInfo; 10329 ApplicationInfo app = ai.applicationInfo; 10330 if ((app.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10331 mTopAction = Intent.ACTION_FACTORY_TEST; 10332 mTopData = null; 10333 mTopComponent = new ComponentName(app.packageName, 10334 ai.name); 10335 } else { 10336 errorMsg = mContext.getResources().getText( 10337 com.android.internal.R.string.factorytest_not_system); 10338 } 10339 } else { 10340 errorMsg = mContext.getResources().getText( 10341 com.android.internal.R.string.factorytest_no_action); 10342 } 10343 if (errorMsg != null) { 10344 mTopAction = null; 10345 mTopData = null; 10346 mTopComponent = null; 10347 Message msg = Message.obtain(); 10348 msg.what = SHOW_FACTORY_ERROR_MSG; 10349 msg.getData().putCharSequence("msg", errorMsg); 10350 mHandler.sendMessage(msg); 10351 } 10352 } 10353 } 10354 10355 retrieveSettings(); 10356 10357 synchronized (this) { 10358 readGrantedUriPermissionsLocked(); 10359 } 10360 10361 if (goingCallback != null) goingCallback.run(); 10362 10363 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_RUNNING_START, 10364 Integer.toString(mCurrentUserId), mCurrentUserId); 10365 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_USER_FOREGROUND_START, 10366 Integer.toString(mCurrentUserId), mCurrentUserId); 10367 mSystemServiceManager.startUser(mCurrentUserId); 10368 10369 synchronized (this) { 10370 if (mFactoryTest != FactoryTest.FACTORY_TEST_LOW_LEVEL) { 10371 try { 10372 List apps = AppGlobals.getPackageManager(). 10373 getPersistentApplications(STOCK_PM_FLAGS); 10374 if (apps != null) { 10375 int N = apps.size(); 10376 int i; 10377 for (i=0; i<N; i++) { 10378 ApplicationInfo info 10379 = (ApplicationInfo)apps.get(i); 10380 if (info != null && 10381 !info.packageName.equals("android")) { 10382 addAppLocked(info, false, null /* ABI override */); 10383 } 10384 } 10385 } 10386 } catch (RemoteException ex) { 10387 // pm is in same process, this will never happen. 10388 } 10389 } 10390 10391 // Start up initial activity. 10392 mBooting = true; 10393 10394 try { 10395 if (AppGlobals.getPackageManager().hasSystemUidErrors()) { 10396 Message msg = Message.obtain(); 10397 msg.what = SHOW_UID_ERROR_MSG; 10398 mHandler.sendMessage(msg); 10399 } 10400 } catch (RemoteException e) { 10401 } 10402 10403 long ident = Binder.clearCallingIdentity(); 10404 try { 10405 Intent intent = new Intent(Intent.ACTION_USER_STARTED); 10406 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 10407 | Intent.FLAG_RECEIVER_FOREGROUND); 10408 intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); 10409 broadcastIntentLocked(null, null, intent, 10410 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 10411 false, false, MY_PID, Process.SYSTEM_UID, mCurrentUserId); 10412 intent = new Intent(Intent.ACTION_USER_STARTING); 10413 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 10414 intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); 10415 broadcastIntentLocked(null, null, intent, 10416 null, new IIntentReceiver.Stub() { 10417 @Override 10418 public void performReceive(Intent intent, int resultCode, String data, 10419 Bundle extras, boolean ordered, boolean sticky, int sendingUser) 10420 throws RemoteException { 10421 } 10422 }, 0, null, null, 10423 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 10424 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 10425 } catch (Throwable t) { 10426 Slog.wtf(TAG, "Failed sending first user broadcasts", t); 10427 } finally { 10428 Binder.restoreCallingIdentity(ident); 10429 } 10430 mStackSupervisor.resumeTopActivitiesLocked(); 10431 sendUserSwitchBroadcastsLocked(-1, mCurrentUserId); 10432 } 10433 } 10434 10435 private boolean makeAppCrashingLocked(ProcessRecord app, 10436 String shortMsg, String longMsg, String stackTrace) { 10437 app.crashing = true; 10438 app.crashingReport = generateProcessError(app, 10439 ActivityManager.ProcessErrorStateInfo.CRASHED, null, shortMsg, longMsg, stackTrace); 10440 startAppProblemLocked(app); 10441 app.stopFreezingAllLocked(); 10442 return handleAppCrashLocked(app, shortMsg, longMsg, stackTrace); 10443 } 10444 10445 private void makeAppNotRespondingLocked(ProcessRecord app, 10446 String activity, String shortMsg, String longMsg) { 10447 app.notResponding = true; 10448 app.notRespondingReport = generateProcessError(app, 10449 ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING, 10450 activity, shortMsg, longMsg, null); 10451 startAppProblemLocked(app); 10452 app.stopFreezingAllLocked(); 10453 } 10454 10455 /** 10456 * Generate a process error record, suitable for attachment to a ProcessRecord. 10457 * 10458 * @param app The ProcessRecord in which the error occurred. 10459 * @param condition Crashing, Application Not Responding, etc. Values are defined in 10460 * ActivityManager.AppErrorStateInfo 10461 * @param activity The activity associated with the crash, if known. 10462 * @param shortMsg Short message describing the crash. 10463 * @param longMsg Long message describing the crash. 10464 * @param stackTrace Full crash stack trace, may be null. 10465 * 10466 * @return Returns a fully-formed AppErrorStateInfo record. 10467 */ 10468 private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app, 10469 int condition, String activity, String shortMsg, String longMsg, String stackTrace) { 10470 ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo(); 10471 10472 report.condition = condition; 10473 report.processName = app.processName; 10474 report.pid = app.pid; 10475 report.uid = app.info.uid; 10476 report.tag = activity; 10477 report.shortMsg = shortMsg; 10478 report.longMsg = longMsg; 10479 report.stackTrace = stackTrace; 10480 10481 return report; 10482 } 10483 10484 void killAppAtUsersRequest(ProcessRecord app, Dialog fromDialog) { 10485 synchronized (this) { 10486 app.crashing = false; 10487 app.crashingReport = null; 10488 app.notResponding = false; 10489 app.notRespondingReport = null; 10490 if (app.anrDialog == fromDialog) { 10491 app.anrDialog = null; 10492 } 10493 if (app.waitDialog == fromDialog) { 10494 app.waitDialog = null; 10495 } 10496 if (app.pid > 0 && app.pid != MY_PID) { 10497 handleAppCrashLocked(app, null, null, null); 10498 killUnneededProcessLocked(app, "user request after error"); 10499 } 10500 } 10501 } 10502 10503 private boolean handleAppCrashLocked(ProcessRecord app, String shortMsg, String longMsg, 10504 String stackTrace) { 10505 long now = SystemClock.uptimeMillis(); 10506 10507 Long crashTime; 10508 if (!app.isolated) { 10509 crashTime = mProcessCrashTimes.get(app.info.processName, app.uid); 10510 } else { 10511 crashTime = null; 10512 } 10513 if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) { 10514 // This process loses! 10515 Slog.w(TAG, "Process " + app.info.processName 10516 + " has crashed too many times: killing!"); 10517 EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH, 10518 app.userId, app.info.processName, app.uid); 10519 mStackSupervisor.handleAppCrashLocked(app); 10520 if (!app.persistent) { 10521 // We don't want to start this process again until the user 10522 // explicitly does so... but for persistent process, we really 10523 // need to keep it running. If a persistent process is actually 10524 // repeatedly crashing, then badness for everyone. 10525 EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid, 10526 app.info.processName); 10527 if (!app.isolated) { 10528 // XXX We don't have a way to mark isolated processes 10529 // as bad, since they don't have a peristent identity. 10530 mBadProcesses.put(app.info.processName, app.uid, 10531 new BadProcessInfo(now, shortMsg, longMsg, stackTrace)); 10532 mProcessCrashTimes.remove(app.info.processName, app.uid); 10533 } 10534 app.bad = true; 10535 app.removed = true; 10536 // Don't let services in this process be restarted and potentially 10537 // annoy the user repeatedly. Unless it is persistent, since those 10538 // processes run critical code. 10539 removeProcessLocked(app, false, false, "crash"); 10540 mStackSupervisor.resumeTopActivitiesLocked(); 10541 return false; 10542 } 10543 mStackSupervisor.resumeTopActivitiesLocked(); 10544 } else { 10545 mStackSupervisor.finishTopRunningActivityLocked(app); 10546 } 10547 10548 // Bump up the crash count of any services currently running in the proc. 10549 for (int i=app.services.size()-1; i>=0; i--) { 10550 // Any services running in the application need to be placed 10551 // back in the pending list. 10552 ServiceRecord sr = app.services.valueAt(i); 10553 sr.crashCount++; 10554 } 10555 10556 // If the crashing process is what we consider to be the "home process" and it has been 10557 // replaced by a third-party app, clear the package preferred activities from packages 10558 // with a home activity running in the process to prevent a repeatedly crashing app 10559 // from blocking the user to manually clear the list. 10560 final ArrayList<ActivityRecord> activities = app.activities; 10561 if (app == mHomeProcess && activities.size() > 0 10562 && (mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { 10563 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 10564 final ActivityRecord r = activities.get(activityNdx); 10565 if (r.isHomeActivity()) { 10566 Log.i(TAG, "Clearing package preferred activities from " + r.packageName); 10567 try { 10568 ActivityThread.getPackageManager() 10569 .clearPackagePreferredActivities(r.packageName); 10570 } catch (RemoteException c) { 10571 // pm is in same process, this will never happen. 10572 } 10573 } 10574 } 10575 } 10576 10577 if (!app.isolated) { 10578 // XXX Can't keep track of crash times for isolated processes, 10579 // because they don't have a perisistent identity. 10580 mProcessCrashTimes.put(app.info.processName, app.uid, now); 10581 } 10582 10583 if (app.crashHandler != null) mHandler.post(app.crashHandler); 10584 return true; 10585 } 10586 10587 void startAppProblemLocked(ProcessRecord app) { 10588 // If this app is not running under the current user, then we 10589 // can't give it a report button because that would require 10590 // launching the report UI under a different user. 10591 app.errorReportReceiver = null; 10592 10593 for (int userId : mCurrentProfileIds) { 10594 if (app.userId == userId) { 10595 app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver( 10596 mContext, app.info.packageName, app.info.flags); 10597 } 10598 } 10599 skipCurrentReceiverLocked(app); 10600 } 10601 10602 void skipCurrentReceiverLocked(ProcessRecord app) { 10603 for (BroadcastQueue queue : mBroadcastQueues) { 10604 queue.skipCurrentReceiverLocked(app); 10605 } 10606 } 10607 10608 /** 10609 * Used by {@link com.android.internal.os.RuntimeInit} to report when an application crashes. 10610 * The application process will exit immediately after this call returns. 10611 * @param app object of the crashing app, null for the system server 10612 * @param crashInfo describing the exception 10613 */ 10614 public void handleApplicationCrash(IBinder app, ApplicationErrorReport.CrashInfo crashInfo) { 10615 ProcessRecord r = findAppProcess(app, "Crash"); 10616 final String processName = app == null ? "system_server" 10617 : (r == null ? "unknown" : r.processName); 10618 10619 handleApplicationCrashInner("crash", r, processName, crashInfo); 10620 } 10621 10622 /* Native crash reporting uses this inner version because it needs to be somewhat 10623 * decoupled from the AM-managed cleanup lifecycle 10624 */ 10625 void handleApplicationCrashInner(String eventType, ProcessRecord r, String processName, 10626 ApplicationErrorReport.CrashInfo crashInfo) { 10627 EventLog.writeEvent(EventLogTags.AM_CRASH, Binder.getCallingPid(), 10628 UserHandle.getUserId(Binder.getCallingUid()), processName, 10629 r == null ? -1 : r.info.flags, 10630 crashInfo.exceptionClassName, 10631 crashInfo.exceptionMessage, 10632 crashInfo.throwFileName, 10633 crashInfo.throwLineNumber); 10634 10635 addErrorToDropBox(eventType, r, processName, null, null, null, null, null, crashInfo); 10636 10637 crashApplication(r, crashInfo); 10638 } 10639 10640 public void handleApplicationStrictModeViolation( 10641 IBinder app, 10642 int violationMask, 10643 StrictMode.ViolationInfo info) { 10644 ProcessRecord r = findAppProcess(app, "StrictMode"); 10645 if (r == null) { 10646 return; 10647 } 10648 10649 if ((violationMask & StrictMode.PENALTY_DROPBOX) != 0) { 10650 Integer stackFingerprint = info.hashCode(); 10651 boolean logIt = true; 10652 synchronized (mAlreadyLoggedViolatedStacks) { 10653 if (mAlreadyLoggedViolatedStacks.contains(stackFingerprint)) { 10654 logIt = false; 10655 // TODO: sub-sample into EventLog for these, with 10656 // the info.durationMillis? Then we'd get 10657 // the relative pain numbers, without logging all 10658 // the stack traces repeatedly. We'd want to do 10659 // likewise in the client code, which also does 10660 // dup suppression, before the Binder call. 10661 } else { 10662 if (mAlreadyLoggedViolatedStacks.size() >= MAX_DUP_SUPPRESSED_STACKS) { 10663 mAlreadyLoggedViolatedStacks.clear(); 10664 } 10665 mAlreadyLoggedViolatedStacks.add(stackFingerprint); 10666 } 10667 } 10668 if (logIt) { 10669 logStrictModeViolationToDropBox(r, info); 10670 } 10671 } 10672 10673 if ((violationMask & StrictMode.PENALTY_DIALOG) != 0) { 10674 AppErrorResult result = new AppErrorResult(); 10675 synchronized (this) { 10676 final long origId = Binder.clearCallingIdentity(); 10677 10678 Message msg = Message.obtain(); 10679 msg.what = SHOW_STRICT_MODE_VIOLATION_MSG; 10680 HashMap<String, Object> data = new HashMap<String, Object>(); 10681 data.put("result", result); 10682 data.put("app", r); 10683 data.put("violationMask", violationMask); 10684 data.put("info", info); 10685 msg.obj = data; 10686 mHandler.sendMessage(msg); 10687 10688 Binder.restoreCallingIdentity(origId); 10689 } 10690 int res = result.get(); 10691 Slog.w(TAG, "handleApplicationStrictModeViolation; res=" + res); 10692 } 10693 } 10694 10695 // Depending on the policy in effect, there could be a bunch of 10696 // these in quick succession so we try to batch these together to 10697 // minimize disk writes, number of dropbox entries, and maximize 10698 // compression, by having more fewer, larger records. 10699 private void logStrictModeViolationToDropBox( 10700 ProcessRecord process, 10701 StrictMode.ViolationInfo info) { 10702 if (info == null) { 10703 return; 10704 } 10705 final boolean isSystemApp = process == null || 10706 (process.info.flags & (ApplicationInfo.FLAG_SYSTEM | 10707 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0; 10708 final String processName = process == null ? "unknown" : process.processName; 10709 final String dropboxTag = isSystemApp ? "system_app_strictmode" : "data_app_strictmode"; 10710 final DropBoxManager dbox = (DropBoxManager) 10711 mContext.getSystemService(Context.DROPBOX_SERVICE); 10712 10713 // Exit early if the dropbox isn't configured to accept this report type. 10714 if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; 10715 10716 boolean bufferWasEmpty; 10717 boolean needsFlush; 10718 final StringBuilder sb = isSystemApp ? mStrictModeBuffer : new StringBuilder(1024); 10719 synchronized (sb) { 10720 bufferWasEmpty = sb.length() == 0; 10721 appendDropBoxProcessHeaders(process, processName, sb); 10722 sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); 10723 sb.append("System-App: ").append(isSystemApp).append("\n"); 10724 sb.append("Uptime-Millis: ").append(info.violationUptimeMillis).append("\n"); 10725 if (info.violationNumThisLoop != 0) { 10726 sb.append("Loop-Violation-Number: ").append(info.violationNumThisLoop).append("\n"); 10727 } 10728 if (info.numAnimationsRunning != 0) { 10729 sb.append("Animations-Running: ").append(info.numAnimationsRunning).append("\n"); 10730 } 10731 if (info.broadcastIntentAction != null) { 10732 sb.append("Broadcast-Intent-Action: ").append(info.broadcastIntentAction).append("\n"); 10733 } 10734 if (info.durationMillis != -1) { 10735 sb.append("Duration-Millis: ").append(info.durationMillis).append("\n"); 10736 } 10737 if (info.numInstances != -1) { 10738 sb.append("Instance-Count: ").append(info.numInstances).append("\n"); 10739 } 10740 if (info.tags != null) { 10741 for (String tag : info.tags) { 10742 sb.append("Span-Tag: ").append(tag).append("\n"); 10743 } 10744 } 10745 sb.append("\n"); 10746 if (info.crashInfo != null && info.crashInfo.stackTrace != null) { 10747 sb.append(info.crashInfo.stackTrace); 10748 } 10749 sb.append("\n"); 10750 10751 // Only buffer up to ~64k. Various logging bits truncate 10752 // things at 128k. 10753 needsFlush = (sb.length() > 64 * 1024); 10754 } 10755 10756 // Flush immediately if the buffer's grown too large, or this 10757 // is a non-system app. Non-system apps are isolated with a 10758 // different tag & policy and not batched. 10759 // 10760 // Batching is useful during internal testing with 10761 // StrictMode settings turned up high. Without batching, 10762 // thousands of separate files could be created on boot. 10763 if (!isSystemApp || needsFlush) { 10764 new Thread("Error dump: " + dropboxTag) { 10765 @Override 10766 public void run() { 10767 String report; 10768 synchronized (sb) { 10769 report = sb.toString(); 10770 sb.delete(0, sb.length()); 10771 sb.trimToSize(); 10772 } 10773 if (report.length() != 0) { 10774 dbox.addText(dropboxTag, report); 10775 } 10776 } 10777 }.start(); 10778 return; 10779 } 10780 10781 // System app batching: 10782 if (!bufferWasEmpty) { 10783 // An existing dropbox-writing thread is outstanding, so 10784 // we don't need to start it up. The existing thread will 10785 // catch the buffer appends we just did. 10786 return; 10787 } 10788 10789 // Worker thread to both batch writes and to avoid blocking the caller on I/O. 10790 // (After this point, we shouldn't access AMS internal data structures.) 10791 new Thread("Error dump: " + dropboxTag) { 10792 @Override 10793 public void run() { 10794 // 5 second sleep to let stacks arrive and be batched together 10795 try { 10796 Thread.sleep(5000); // 5 seconds 10797 } catch (InterruptedException e) {} 10798 10799 String errorReport; 10800 synchronized (mStrictModeBuffer) { 10801 errorReport = mStrictModeBuffer.toString(); 10802 if (errorReport.length() == 0) { 10803 return; 10804 } 10805 mStrictModeBuffer.delete(0, mStrictModeBuffer.length()); 10806 mStrictModeBuffer.trimToSize(); 10807 } 10808 dbox.addText(dropboxTag, errorReport); 10809 } 10810 }.start(); 10811 } 10812 10813 /** 10814 * Used by {@link Log} via {@link com.android.internal.os.RuntimeInit} to report serious errors. 10815 * @param app object of the crashing app, null for the system server 10816 * @param tag reported by the caller 10817 * @param crashInfo describing the context of the error 10818 * @return true if the process should exit immediately (WTF is fatal) 10819 */ 10820 public boolean handleApplicationWtf(IBinder app, String tag, 10821 ApplicationErrorReport.CrashInfo crashInfo) { 10822 ProcessRecord r = findAppProcess(app, "WTF"); 10823 final String processName = app == null ? "system_server" 10824 : (r == null ? "unknown" : r.processName); 10825 10826 EventLog.writeEvent(EventLogTags.AM_WTF, 10827 UserHandle.getUserId(Binder.getCallingUid()), Binder.getCallingPid(), 10828 processName, 10829 r == null ? -1 : r.info.flags, 10830 tag, crashInfo.exceptionMessage); 10831 10832 addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, crashInfo); 10833 10834 if (r != null && r.pid != Process.myPid() && 10835 Settings.Global.getInt(mContext.getContentResolver(), 10836 Settings.Global.WTF_IS_FATAL, 0) != 0) { 10837 crashApplication(r, crashInfo); 10838 return true; 10839 } else { 10840 return false; 10841 } 10842 } 10843 10844 /** 10845 * @param app object of some object (as stored in {@link com.android.internal.os.RuntimeInit}) 10846 * @return the corresponding {@link ProcessRecord} object, or null if none could be found 10847 */ 10848 private ProcessRecord findAppProcess(IBinder app, String reason) { 10849 if (app == null) { 10850 return null; 10851 } 10852 10853 synchronized (this) { 10854 final int NP = mProcessNames.getMap().size(); 10855 for (int ip=0; ip<NP; ip++) { 10856 SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); 10857 final int NA = apps.size(); 10858 for (int ia=0; ia<NA; ia++) { 10859 ProcessRecord p = apps.valueAt(ia); 10860 if (p.thread != null && p.thread.asBinder() == app) { 10861 return p; 10862 } 10863 } 10864 } 10865 10866 Slog.w(TAG, "Can't find mystery application for " + reason 10867 + " from pid=" + Binder.getCallingPid() 10868 + " uid=" + Binder.getCallingUid() + ": " + app); 10869 return null; 10870 } 10871 } 10872 10873 /** 10874 * Utility function for addErrorToDropBox and handleStrictModeViolation's logging 10875 * to append various headers to the dropbox log text. 10876 */ 10877 private void appendDropBoxProcessHeaders(ProcessRecord process, String processName, 10878 StringBuilder sb) { 10879 // Watchdog thread ends up invoking this function (with 10880 // a null ProcessRecord) to add the stack file to dropbox. 10881 // Do not acquire a lock on this (am) in such cases, as it 10882 // could cause a potential deadlock, if and when watchdog 10883 // is invoked due to unavailability of lock on am and it 10884 // would prevent watchdog from killing system_server. 10885 if (process == null) { 10886 sb.append("Process: ").append(processName).append("\n"); 10887 return; 10888 } 10889 // Note: ProcessRecord 'process' is guarded by the service 10890 // instance. (notably process.pkgList, which could otherwise change 10891 // concurrently during execution of this method) 10892 synchronized (this) { 10893 sb.append("Process: ").append(processName).append("\n"); 10894 int flags = process.info.flags; 10895 IPackageManager pm = AppGlobals.getPackageManager(); 10896 sb.append("Flags: 0x").append(Integer.toString(flags, 16)).append("\n"); 10897 for (int ip=0; ip<process.pkgList.size(); ip++) { 10898 String pkg = process.pkgList.keyAt(ip); 10899 sb.append("Package: ").append(pkg); 10900 try { 10901 PackageInfo pi = pm.getPackageInfo(pkg, 0, UserHandle.getCallingUserId()); 10902 if (pi != null) { 10903 sb.append(" v").append(pi.versionCode); 10904 if (pi.versionName != null) { 10905 sb.append(" (").append(pi.versionName).append(")"); 10906 } 10907 } 10908 } catch (RemoteException e) { 10909 Slog.e(TAG, "Error getting package info: " + pkg, e); 10910 } 10911 sb.append("\n"); 10912 } 10913 } 10914 } 10915 10916 private static String processClass(ProcessRecord process) { 10917 if (process == null || process.pid == MY_PID) { 10918 return "system_server"; 10919 } else if ((process.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10920 return "system_app"; 10921 } else { 10922 return "data_app"; 10923 } 10924 } 10925 10926 /** 10927 * Write a description of an error (crash, WTF, ANR) to the drop box. 10928 * @param eventType to include in the drop box tag ("crash", "wtf", etc.) 10929 * @param process which caused the error, null means the system server 10930 * @param activity which triggered the error, null if unknown 10931 * @param parent activity related to the error, null if unknown 10932 * @param subject line related to the error, null if absent 10933 * @param report in long form describing the error, null if absent 10934 * @param logFile to include in the report, null if none 10935 * @param crashInfo giving an application stack trace, null if absent 10936 */ 10937 public void addErrorToDropBox(String eventType, 10938 ProcessRecord process, String processName, ActivityRecord activity, 10939 ActivityRecord parent, String subject, 10940 final String report, final File logFile, 10941 final ApplicationErrorReport.CrashInfo crashInfo) { 10942 // NOTE -- this must never acquire the ActivityManagerService lock, 10943 // otherwise the watchdog may be prevented from resetting the system. 10944 10945 final String dropboxTag = processClass(process) + "_" + eventType; 10946 final DropBoxManager dbox = (DropBoxManager) 10947 mContext.getSystemService(Context.DROPBOX_SERVICE); 10948 10949 // Exit early if the dropbox isn't configured to accept this report type. 10950 if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; 10951 10952 final StringBuilder sb = new StringBuilder(1024); 10953 appendDropBoxProcessHeaders(process, processName, sb); 10954 if (activity != null) { 10955 sb.append("Activity: ").append(activity.shortComponentName).append("\n"); 10956 } 10957 if (parent != null && parent.app != null && parent.app.pid != process.pid) { 10958 sb.append("Parent-Process: ").append(parent.app.processName).append("\n"); 10959 } 10960 if (parent != null && parent != activity) { 10961 sb.append("Parent-Activity: ").append(parent.shortComponentName).append("\n"); 10962 } 10963 if (subject != null) { 10964 sb.append("Subject: ").append(subject).append("\n"); 10965 } 10966 sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); 10967 if (Debug.isDebuggerConnected()) { 10968 sb.append("Debugger: Connected\n"); 10969 } 10970 sb.append("\n"); 10971 10972 // Do the rest in a worker thread to avoid blocking the caller on I/O 10973 // (After this point, we shouldn't access AMS internal data structures.) 10974 Thread worker = new Thread("Error dump: " + dropboxTag) { 10975 @Override 10976 public void run() { 10977 if (report != null) { 10978 sb.append(report); 10979 } 10980 if (logFile != null) { 10981 try { 10982 sb.append(FileUtils.readTextFile(logFile, DROPBOX_MAX_SIZE, 10983 "\n\n[[TRUNCATED]]")); 10984 } catch (IOException e) { 10985 Slog.e(TAG, "Error reading " + logFile, e); 10986 } 10987 } 10988 if (crashInfo != null && crashInfo.stackTrace != null) { 10989 sb.append(crashInfo.stackTrace); 10990 } 10991 10992 String setting = Settings.Global.ERROR_LOGCAT_PREFIX + dropboxTag; 10993 int lines = Settings.Global.getInt(mContext.getContentResolver(), setting, 0); 10994 if (lines > 0) { 10995 sb.append("\n"); 10996 10997 // Merge several logcat streams, and take the last N lines 10998 InputStreamReader input = null; 10999 try { 11000 java.lang.Process logcat = new ProcessBuilder("/system/bin/logcat", 11001 "-v", "time", "-b", "events", "-b", "system", "-b", "main", 11002 "-t", String.valueOf(lines)).redirectErrorStream(true).start(); 11003 11004 try { logcat.getOutputStream().close(); } catch (IOException e) {} 11005 try { logcat.getErrorStream().close(); } catch (IOException e) {} 11006 input = new InputStreamReader(logcat.getInputStream()); 11007 11008 int num; 11009 char[] buf = new char[8192]; 11010 while ((num = input.read(buf)) > 0) sb.append(buf, 0, num); 11011 } catch (IOException e) { 11012 Slog.e(TAG, "Error running logcat", e); 11013 } finally { 11014 if (input != null) try { input.close(); } catch (IOException e) {} 11015 } 11016 } 11017 11018 dbox.addText(dropboxTag, sb.toString()); 11019 } 11020 }; 11021 11022 if (process == null) { 11023 // If process is null, we are being called from some internal code 11024 // and may be about to die -- run this synchronously. 11025 worker.run(); 11026 } else { 11027 worker.start(); 11028 } 11029 } 11030 11031 /** 11032 * Bring up the "unexpected error" dialog box for a crashing app. 11033 * Deal with edge cases (intercepts from instrumented applications, 11034 * ActivityController, error intent receivers, that sort of thing). 11035 * @param r the application crashing 11036 * @param crashInfo describing the failure 11037 */ 11038 private void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) { 11039 long timeMillis = System.currentTimeMillis(); 11040 String shortMsg = crashInfo.exceptionClassName; 11041 String longMsg = crashInfo.exceptionMessage; 11042 String stackTrace = crashInfo.stackTrace; 11043 if (shortMsg != null && longMsg != null) { 11044 longMsg = shortMsg + ": " + longMsg; 11045 } else if (shortMsg != null) { 11046 longMsg = shortMsg; 11047 } 11048 11049 AppErrorResult result = new AppErrorResult(); 11050 synchronized (this) { 11051 if (mController != null) { 11052 try { 11053 String name = r != null ? r.processName : null; 11054 int pid = r != null ? r.pid : Binder.getCallingPid(); 11055 int uid = r != null ? r.info.uid : Binder.getCallingUid(); 11056 if (!mController.appCrashed(name, pid, 11057 shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) { 11058 if ("1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")) 11059 && "Native crash".equals(crashInfo.exceptionClassName)) { 11060 Slog.w(TAG, "Skip killing native crashed app " + name 11061 + "(" + pid + ") during testing"); 11062 } else { 11063 Slog.w(TAG, "Force-killing crashed app " + name 11064 + " at watcher's request"); 11065 Process.killProcess(pid); 11066 if (r != null) { 11067 Process.killProcessGroup(uid, pid); 11068 } 11069 } 11070 return; 11071 } 11072 } catch (RemoteException e) { 11073 mController = null; 11074 Watchdog.getInstance().setActivityController(null); 11075 } 11076 } 11077 11078 final long origId = Binder.clearCallingIdentity(); 11079 11080 // If this process is running instrumentation, finish it. 11081 if (r != null && r.instrumentationClass != null) { 11082 Slog.w(TAG, "Error in app " + r.processName 11083 + " running instrumentation " + r.instrumentationClass + ":"); 11084 if (shortMsg != null) Slog.w(TAG, " " + shortMsg); 11085 if (longMsg != null) Slog.w(TAG, " " + longMsg); 11086 Bundle info = new Bundle(); 11087 info.putString("shortMsg", shortMsg); 11088 info.putString("longMsg", longMsg); 11089 finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info); 11090 Binder.restoreCallingIdentity(origId); 11091 return; 11092 } 11093 11094 // If we can't identify the process or it's already exceeded its crash quota, 11095 // quit right away without showing a crash dialog. 11096 if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace)) { 11097 Binder.restoreCallingIdentity(origId); 11098 return; 11099 } 11100 11101 Message msg = Message.obtain(); 11102 msg.what = SHOW_ERROR_MSG; 11103 HashMap data = new HashMap(); 11104 data.put("result", result); 11105 data.put("app", r); 11106 msg.obj = data; 11107 mHandler.sendMessage(msg); 11108 11109 Binder.restoreCallingIdentity(origId); 11110 } 11111 11112 int res = result.get(); 11113 11114 Intent appErrorIntent = null; 11115 synchronized (this) { 11116 if (r != null && !r.isolated) { 11117 // XXX Can't keep track of crash time for isolated processes, 11118 // since they don't have a persistent identity. 11119 mProcessCrashTimes.put(r.info.processName, r.uid, 11120 SystemClock.uptimeMillis()); 11121 } 11122 if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) { 11123 appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo); 11124 } 11125 } 11126 11127 if (appErrorIntent != null) { 11128 try { 11129 mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId)); 11130 } catch (ActivityNotFoundException e) { 11131 Slog.w(TAG, "bug report receiver dissappeared", e); 11132 } 11133 } 11134 } 11135 11136 Intent createAppErrorIntentLocked(ProcessRecord r, 11137 long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { 11138 ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo); 11139 if (report == null) { 11140 return null; 11141 } 11142 Intent result = new Intent(Intent.ACTION_APP_ERROR); 11143 result.setComponent(r.errorReportReceiver); 11144 result.putExtra(Intent.EXTRA_BUG_REPORT, report); 11145 result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 11146 return result; 11147 } 11148 11149 private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r, 11150 long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { 11151 if (r.errorReportReceiver == null) { 11152 return null; 11153 } 11154 11155 if (!r.crashing && !r.notResponding && !r.forceCrashReport) { 11156 return null; 11157 } 11158 11159 ApplicationErrorReport report = new ApplicationErrorReport(); 11160 report.packageName = r.info.packageName; 11161 report.installerPackageName = r.errorReportReceiver.getPackageName(); 11162 report.processName = r.processName; 11163 report.time = timeMillis; 11164 report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 11165 11166 if (r.crashing || r.forceCrashReport) { 11167 report.type = ApplicationErrorReport.TYPE_CRASH; 11168 report.crashInfo = crashInfo; 11169 } else if (r.notResponding) { 11170 report.type = ApplicationErrorReport.TYPE_ANR; 11171 report.anrInfo = new ApplicationErrorReport.AnrInfo(); 11172 11173 report.anrInfo.activity = r.notRespondingReport.tag; 11174 report.anrInfo.cause = r.notRespondingReport.shortMsg; 11175 report.anrInfo.info = r.notRespondingReport.longMsg; 11176 } 11177 11178 return report; 11179 } 11180 11181 public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState() { 11182 enforceNotIsolatedCaller("getProcessesInErrorState"); 11183 // assume our apps are happy - lazy create the list 11184 List<ActivityManager.ProcessErrorStateInfo> errList = null; 11185 11186 final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, 11187 Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; 11188 int userId = UserHandle.getUserId(Binder.getCallingUid()); 11189 11190 synchronized (this) { 11191 11192 // iterate across all processes 11193 for (int i=mLruProcesses.size()-1; i>=0; i--) { 11194 ProcessRecord app = mLruProcesses.get(i); 11195 if (!allUsers && app.userId != userId) { 11196 continue; 11197 } 11198 if ((app.thread != null) && (app.crashing || app.notResponding)) { 11199 // This one's in trouble, so we'll generate a report for it 11200 // crashes are higher priority (in case there's a crash *and* an anr) 11201 ActivityManager.ProcessErrorStateInfo report = null; 11202 if (app.crashing) { 11203 report = app.crashingReport; 11204 } else if (app.notResponding) { 11205 report = app.notRespondingReport; 11206 } 11207 11208 if (report != null) { 11209 if (errList == null) { 11210 errList = new ArrayList<ActivityManager.ProcessErrorStateInfo>(1); 11211 } 11212 errList.add(report); 11213 } else { 11214 Slog.w(TAG, "Missing app error report, app = " + app.processName + 11215 " crashing = " + app.crashing + 11216 " notResponding = " + app.notResponding); 11217 } 11218 } 11219 } 11220 } 11221 11222 return errList; 11223 } 11224 11225 static int procStateToImportance(int procState, int memAdj, 11226 ActivityManager.RunningAppProcessInfo currApp) { 11227 int imp = ActivityManager.RunningAppProcessInfo.procStateToImportance(procState); 11228 if (imp == ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) { 11229 currApp.lru = memAdj; 11230 } else { 11231 currApp.lru = 0; 11232 } 11233 return imp; 11234 } 11235 11236 private void fillInProcMemInfo(ProcessRecord app, 11237 ActivityManager.RunningAppProcessInfo outInfo) { 11238 outInfo.pid = app.pid; 11239 outInfo.uid = app.info.uid; 11240 if (mHeavyWeightProcess == app) { 11241 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE; 11242 } 11243 if (app.persistent) { 11244 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT; 11245 } 11246 if (app.activities.size() > 0) { 11247 outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HAS_ACTIVITIES; 11248 } 11249 outInfo.lastTrimLevel = app.trimMemoryLevel; 11250 int adj = app.curAdj; 11251 int procState = app.curProcState; 11252 outInfo.importance = procStateToImportance(procState, adj, outInfo); 11253 outInfo.importanceReasonCode = app.adjTypeCode; 11254 outInfo.processState = app.curProcState; 11255 } 11256 11257 public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() { 11258 enforceNotIsolatedCaller("getRunningAppProcesses"); 11259 // Lazy instantiation of list 11260 List<ActivityManager.RunningAppProcessInfo> runList = null; 11261 final boolean allUsers = ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, 11262 Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; 11263 int userId = UserHandle.getUserId(Binder.getCallingUid()); 11264 synchronized (this) { 11265 // Iterate across all processes 11266 for (int i=mLruProcesses.size()-1; i>=0; i--) { 11267 ProcessRecord app = mLruProcesses.get(i); 11268 if (!allUsers && app.userId != userId) { 11269 continue; 11270 } 11271 if ((app.thread != null) && (!app.crashing && !app.notResponding)) { 11272 // Generate process state info for running application 11273 ActivityManager.RunningAppProcessInfo currApp = 11274 new ActivityManager.RunningAppProcessInfo(app.processName, 11275 app.pid, app.getPackageList()); 11276 fillInProcMemInfo(app, currApp); 11277 if (app.adjSource instanceof ProcessRecord) { 11278 currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid; 11279 currApp.importanceReasonImportance = 11280 ActivityManager.RunningAppProcessInfo.procStateToImportance( 11281 app.adjSourceProcState); 11282 } else if (app.adjSource instanceof ActivityRecord) { 11283 ActivityRecord r = (ActivityRecord)app.adjSource; 11284 if (r.app != null) currApp.importanceReasonPid = r.app.pid; 11285 } 11286 if (app.adjTarget instanceof ComponentName) { 11287 currApp.importanceReasonComponent = (ComponentName)app.adjTarget; 11288 } 11289 //Slog.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance 11290 // + " lru=" + currApp.lru); 11291 if (runList == null) { 11292 runList = new ArrayList<ActivityManager.RunningAppProcessInfo>(); 11293 } 11294 runList.add(currApp); 11295 } 11296 } 11297 } 11298 return runList; 11299 } 11300 11301 public List<ApplicationInfo> getRunningExternalApplications() { 11302 enforceNotIsolatedCaller("getRunningExternalApplications"); 11303 List<ActivityManager.RunningAppProcessInfo> runningApps = getRunningAppProcesses(); 11304 List<ApplicationInfo> retList = new ArrayList<ApplicationInfo>(); 11305 if (runningApps != null && runningApps.size() > 0) { 11306 Set<String> extList = new HashSet<String>(); 11307 for (ActivityManager.RunningAppProcessInfo app : runningApps) { 11308 if (app.pkgList != null) { 11309 for (String pkg : app.pkgList) { 11310 extList.add(pkg); 11311 } 11312 } 11313 } 11314 IPackageManager pm = AppGlobals.getPackageManager(); 11315 for (String pkg : extList) { 11316 try { 11317 ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserHandle.getCallingUserId()); 11318 if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { 11319 retList.add(info); 11320 } 11321 } catch (RemoteException e) { 11322 } 11323 } 11324 } 11325 return retList; 11326 } 11327 11328 @Override 11329 public void getMyMemoryState(ActivityManager.RunningAppProcessInfo outInfo) { 11330 enforceNotIsolatedCaller("getMyMemoryState"); 11331 synchronized (this) { 11332 ProcessRecord proc; 11333 synchronized (mPidsSelfLocked) { 11334 proc = mPidsSelfLocked.get(Binder.getCallingPid()); 11335 } 11336 fillInProcMemInfo(proc, outInfo); 11337 } 11338 } 11339 11340 @Override 11341 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11342 if (checkCallingPermission(android.Manifest.permission.DUMP) 11343 != PackageManager.PERMISSION_GRANTED) { 11344 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11345 + Binder.getCallingPid() 11346 + ", uid=" + Binder.getCallingUid() 11347 + " without permission " 11348 + android.Manifest.permission.DUMP); 11349 return; 11350 } 11351 11352 boolean dumpAll = false; 11353 boolean dumpClient = false; 11354 String dumpPackage = null; 11355 11356 int opti = 0; 11357 while (opti < args.length) { 11358 String opt = args[opti]; 11359 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11360 break; 11361 } 11362 opti++; 11363 if ("-a".equals(opt)) { 11364 dumpAll = true; 11365 } else if ("-c".equals(opt)) { 11366 dumpClient = true; 11367 } else if ("-h".equals(opt)) { 11368 pw.println("Activity manager dump options:"); 11369 pw.println(" [-a] [-c] [-h] [cmd] ..."); 11370 pw.println(" cmd may be one of:"); 11371 pw.println(" a[ctivities]: activity stack state"); 11372 pw.println(" b[roadcasts] [PACKAGE_NAME] [history [-s]]: broadcast state"); 11373 pw.println(" i[ntents] [PACKAGE_NAME]: pending intent state"); 11374 pw.println(" p[rocesses] [PACKAGE_NAME]: process state"); 11375 pw.println(" o[om]: out of memory management"); 11376 pw.println(" prov[iders] [COMP_SPEC ...]: content provider state"); 11377 pw.println(" provider [COMP_SPEC]: provider client-side state"); 11378 pw.println(" s[ervices] [COMP_SPEC ...]: service state"); 11379 pw.println(" service [COMP_SPEC]: service client-side state"); 11380 pw.println(" package [PACKAGE_NAME]: all state related to given package"); 11381 pw.println(" all: dump all activities"); 11382 pw.println(" top: dump the top activity"); 11383 pw.println(" cmd may also be a COMP_SPEC to dump activities."); 11384 pw.println(" COMP_SPEC may be a component name (com.foo/.myApp),"); 11385 pw.println(" a partial substring in a component name, a"); 11386 pw.println(" hex object identifier."); 11387 pw.println(" -a: include all available server state."); 11388 pw.println(" -c: include client state."); 11389 return; 11390 } else { 11391 pw.println("Unknown argument: " + opt + "; use -h for help"); 11392 } 11393 } 11394 11395 long origId = Binder.clearCallingIdentity(); 11396 boolean more = false; 11397 // Is the caller requesting to dump a particular piece of data? 11398 if (opti < args.length) { 11399 String cmd = args[opti]; 11400 opti++; 11401 if ("activities".equals(cmd) || "a".equals(cmd)) { 11402 synchronized (this) { 11403 dumpActivitiesLocked(fd, pw, args, opti, true, dumpClient, null); 11404 } 11405 } else if ("broadcasts".equals(cmd) || "b".equals(cmd)) { 11406 String[] newArgs; 11407 String name; 11408 if (opti >= args.length) { 11409 name = null; 11410 newArgs = EMPTY_STRING_ARRAY; 11411 } else { 11412 name = args[opti]; 11413 opti++; 11414 newArgs = new String[args.length - opti]; 11415 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 11416 args.length - opti); 11417 } 11418 synchronized (this) { 11419 dumpBroadcastsLocked(fd, pw, args, opti, true, name); 11420 } 11421 } else if ("intents".equals(cmd) || "i".equals(cmd)) { 11422 String[] newArgs; 11423 String name; 11424 if (opti >= args.length) { 11425 name = null; 11426 newArgs = EMPTY_STRING_ARRAY; 11427 } else { 11428 name = args[opti]; 11429 opti++; 11430 newArgs = new String[args.length - opti]; 11431 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 11432 args.length - opti); 11433 } 11434 synchronized (this) { 11435 dumpPendingIntentsLocked(fd, pw, args, opti, true, name); 11436 } 11437 } else if ("processes".equals(cmd) || "p".equals(cmd)) { 11438 String[] newArgs; 11439 String name; 11440 if (opti >= args.length) { 11441 name = null; 11442 newArgs = EMPTY_STRING_ARRAY; 11443 } else { 11444 name = args[opti]; 11445 opti++; 11446 newArgs = new String[args.length - opti]; 11447 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 11448 args.length - opti); 11449 } 11450 synchronized (this) { 11451 dumpProcessesLocked(fd, pw, args, opti, true, name); 11452 } 11453 } else if ("oom".equals(cmd) || "o".equals(cmd)) { 11454 synchronized (this) { 11455 dumpOomLocked(fd, pw, args, opti, true); 11456 } 11457 } else if ("provider".equals(cmd)) { 11458 String[] newArgs; 11459 String name; 11460 if (opti >= args.length) { 11461 name = null; 11462 newArgs = EMPTY_STRING_ARRAY; 11463 } else { 11464 name = args[opti]; 11465 opti++; 11466 newArgs = new String[args.length - opti]; 11467 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, args.length - opti); 11468 } 11469 if (!dumpProvider(fd, pw, name, newArgs, 0, dumpAll)) { 11470 pw.println("No providers match: " + name); 11471 pw.println("Use -h for help."); 11472 } 11473 } else if ("providers".equals(cmd) || "prov".equals(cmd)) { 11474 synchronized (this) { 11475 dumpProvidersLocked(fd, pw, args, opti, true, null); 11476 } 11477 } else if ("service".equals(cmd)) { 11478 String[] newArgs; 11479 String name; 11480 if (opti >= args.length) { 11481 name = null; 11482 newArgs = EMPTY_STRING_ARRAY; 11483 } else { 11484 name = args[opti]; 11485 opti++; 11486 newArgs = new String[args.length - opti]; 11487 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 11488 args.length - opti); 11489 } 11490 if (!mServices.dumpService(fd, pw, name, newArgs, 0, dumpAll)) { 11491 pw.println("No services match: " + name); 11492 pw.println("Use -h for help."); 11493 } 11494 } else if ("package".equals(cmd)) { 11495 String[] newArgs; 11496 if (opti >= args.length) { 11497 pw.println("package: no package name specified"); 11498 pw.println("Use -h for help."); 11499 } else { 11500 dumpPackage = args[opti]; 11501 opti++; 11502 newArgs = new String[args.length - opti]; 11503 if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, 11504 args.length - opti); 11505 args = newArgs; 11506 opti = 0; 11507 more = true; 11508 } 11509 } else if ("services".equals(cmd) || "s".equals(cmd)) { 11510 synchronized (this) { 11511 mServices.dumpServicesLocked(fd, pw, args, opti, true, dumpClient, null); 11512 } 11513 } else { 11514 // Dumping a single activity? 11515 if (!dumpActivity(fd, pw, cmd, args, opti, dumpAll)) { 11516 pw.println("Bad activity command, or no activities match: " + cmd); 11517 pw.println("Use -h for help."); 11518 } 11519 } 11520 if (!more) { 11521 Binder.restoreCallingIdentity(origId); 11522 return; 11523 } 11524 } 11525 11526 // No piece of data specified, dump everything. 11527 synchronized (this) { 11528 dumpPendingIntentsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 11529 pw.println(); 11530 if (dumpAll) { 11531 pw.println("-------------------------------------------------------------------------------"); 11532 } 11533 dumpBroadcastsLocked(fd, pw, args, opti, dumpAll, dumpPackage); 11534 pw.println(); 11535 if (dumpAll) { 11536 pw.println("-------------------------------------------------------------------------------"); 11537 } 11538 dumpProvidersLocked(fd, pw, args, opti, dumpAll, dumpPackage); 11539 pw.println(); 11540 if (dumpAll) { 11541 pw.println("-------------------------------------------------------------------------------"); 11542 } 11543 mServices.dumpServicesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); 11544 pw.println(); 11545 if (dumpAll) { 11546 pw.println("-------------------------------------------------------------------------------"); 11547 } 11548 dumpActivitiesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); 11549 pw.println(); 11550 if (dumpAll) { 11551 pw.println("-------------------------------------------------------------------------------"); 11552 } 11553 dumpProcessesLocked(fd, pw, args, opti, dumpAll, dumpPackage); 11554 } 11555 Binder.restoreCallingIdentity(origId); 11556 } 11557 11558 void dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 11559 int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) { 11560 pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)"); 11561 11562 boolean printedAnything = mStackSupervisor.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, 11563 dumpPackage); 11564 boolean needSep = printedAnything; 11565 11566 boolean printed = ActivityStackSupervisor.printThisActivity(pw, mFocusedActivity, 11567 dumpPackage, needSep, " mFocusedActivity: "); 11568 if (printed) { 11569 printedAnything = true; 11570 needSep = false; 11571 } 11572 11573 if (dumpPackage == null) { 11574 if (needSep) { 11575 pw.println(); 11576 } 11577 needSep = true; 11578 printedAnything = true; 11579 mStackSupervisor.dump(pw, " "); 11580 } 11581 11582 if (mRecentTasks.size() > 0) { 11583 boolean printedHeader = false; 11584 11585 final int N = mRecentTasks.size(); 11586 for (int i=0; i<N; i++) { 11587 TaskRecord tr = mRecentTasks.get(i); 11588 if (dumpPackage != null) { 11589 if (tr.realActivity == null || 11590 !dumpPackage.equals(tr.realActivity)) { 11591 continue; 11592 } 11593 } 11594 if (!printedHeader) { 11595 if (needSep) { 11596 pw.println(); 11597 } 11598 pw.println(" Recent tasks:"); 11599 printedHeader = true; 11600 printedAnything = true; 11601 } 11602 pw.print(" * Recent #"); pw.print(i); pw.print(": "); 11603 pw.println(tr); 11604 if (dumpAll) { 11605 mRecentTasks.get(i).dump(pw, " "); 11606 } 11607 } 11608 } 11609 11610 if (!printedAnything) { 11611 pw.println(" (nothing)"); 11612 } 11613 } 11614 11615 void dumpProcessesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 11616 int opti, boolean dumpAll, String dumpPackage) { 11617 boolean needSep = false; 11618 boolean printedAnything = false; 11619 int numPers = 0; 11620 11621 pw.println("ACTIVITY MANAGER RUNNING PROCESSES (dumpsys activity processes)"); 11622 11623 if (dumpAll) { 11624 final int NP = mProcessNames.getMap().size(); 11625 for (int ip=0; ip<NP; ip++) { 11626 SparseArray<ProcessRecord> procs = mProcessNames.getMap().valueAt(ip); 11627 final int NA = procs.size(); 11628 for (int ia=0; ia<NA; ia++) { 11629 ProcessRecord r = procs.valueAt(ia); 11630 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 11631 continue; 11632 } 11633 if (!needSep) { 11634 pw.println(" All known processes:"); 11635 needSep = true; 11636 printedAnything = true; 11637 } 11638 pw.print(r.persistent ? " *PERS*" : " *APP*"); 11639 pw.print(" UID "); pw.print(procs.keyAt(ia)); 11640 pw.print(" "); pw.println(r); 11641 r.dump(pw, " "); 11642 if (r.persistent) { 11643 numPers++; 11644 } 11645 } 11646 } 11647 } 11648 11649 if (mIsolatedProcesses.size() > 0) { 11650 boolean printed = false; 11651 for (int i=0; i<mIsolatedProcesses.size(); i++) { 11652 ProcessRecord r = mIsolatedProcesses.valueAt(i); 11653 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 11654 continue; 11655 } 11656 if (!printed) { 11657 if (needSep) { 11658 pw.println(); 11659 } 11660 pw.println(" Isolated process list (sorted by uid):"); 11661 printedAnything = true; 11662 printed = true; 11663 needSep = true; 11664 } 11665 pw.println(String.format("%sIsolated #%2d: %s", 11666 " ", i, r.toString())); 11667 } 11668 } 11669 11670 if (mLruProcesses.size() > 0) { 11671 if (needSep) { 11672 pw.println(); 11673 } 11674 pw.print(" Process LRU list (sorted by oom_adj, "); pw.print(mLruProcesses.size()); 11675 pw.print(" total, non-act at "); 11676 pw.print(mLruProcesses.size()-mLruProcessActivityStart); 11677 pw.print(", non-svc at "); 11678 pw.print(mLruProcesses.size()-mLruProcessServiceStart); 11679 pw.println("):"); 11680 dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", false, dumpPackage); 11681 needSep = true; 11682 printedAnything = true; 11683 } 11684 11685 if (dumpAll || dumpPackage != null) { 11686 synchronized (mPidsSelfLocked) { 11687 boolean printed = false; 11688 for (int i=0; i<mPidsSelfLocked.size(); i++) { 11689 ProcessRecord r = mPidsSelfLocked.valueAt(i); 11690 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 11691 continue; 11692 } 11693 if (!printed) { 11694 if (needSep) pw.println(); 11695 needSep = true; 11696 pw.println(" PID mappings:"); 11697 printed = true; 11698 printedAnything = true; 11699 } 11700 pw.print(" PID #"); pw.print(mPidsSelfLocked.keyAt(i)); 11701 pw.print(": "); pw.println(mPidsSelfLocked.valueAt(i)); 11702 } 11703 } 11704 } 11705 11706 if (mForegroundProcesses.size() > 0) { 11707 synchronized (mPidsSelfLocked) { 11708 boolean printed = false; 11709 for (int i=0; i<mForegroundProcesses.size(); i++) { 11710 ProcessRecord r = mPidsSelfLocked.get( 11711 mForegroundProcesses.valueAt(i).pid); 11712 if (dumpPackage != null && (r == null 11713 || !r.pkgList.containsKey(dumpPackage))) { 11714 continue; 11715 } 11716 if (!printed) { 11717 if (needSep) pw.println(); 11718 needSep = true; 11719 pw.println(" Foreground Processes:"); 11720 printed = true; 11721 printedAnything = true; 11722 } 11723 pw.print(" PID #"); pw.print(mForegroundProcesses.keyAt(i)); 11724 pw.print(": "); pw.println(mForegroundProcesses.valueAt(i)); 11725 } 11726 } 11727 } 11728 11729 if (mPersistentStartingProcesses.size() > 0) { 11730 if (needSep) pw.println(); 11731 needSep = true; 11732 printedAnything = true; 11733 pw.println(" Persisent processes that are starting:"); 11734 dumpProcessList(pw, this, mPersistentStartingProcesses, " ", 11735 "Starting Norm", "Restarting PERS", dumpPackage); 11736 } 11737 11738 if (mRemovedProcesses.size() > 0) { 11739 if (needSep) pw.println(); 11740 needSep = true; 11741 printedAnything = true; 11742 pw.println(" Processes that are being removed:"); 11743 dumpProcessList(pw, this, mRemovedProcesses, " ", 11744 "Removed Norm", "Removed PERS", dumpPackage); 11745 } 11746 11747 if (mProcessesOnHold.size() > 0) { 11748 if (needSep) pw.println(); 11749 needSep = true; 11750 printedAnything = true; 11751 pw.println(" Processes that are on old until the system is ready:"); 11752 dumpProcessList(pw, this, mProcessesOnHold, " ", 11753 "OnHold Norm", "OnHold PERS", dumpPackage); 11754 } 11755 11756 needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, dumpPackage); 11757 11758 if (mProcessCrashTimes.getMap().size() > 0) { 11759 boolean printed = false; 11760 long now = SystemClock.uptimeMillis(); 11761 final ArrayMap<String, SparseArray<Long>> pmap = mProcessCrashTimes.getMap(); 11762 final int NP = pmap.size(); 11763 for (int ip=0; ip<NP; ip++) { 11764 String pname = pmap.keyAt(ip); 11765 SparseArray<Long> uids = pmap.valueAt(ip); 11766 final int N = uids.size(); 11767 for (int i=0; i<N; i++) { 11768 int puid = uids.keyAt(i); 11769 ProcessRecord r = mProcessNames.get(pname, puid); 11770 if (dumpPackage != null && (r == null 11771 || !r.pkgList.containsKey(dumpPackage))) { 11772 continue; 11773 } 11774 if (!printed) { 11775 if (needSep) pw.println(); 11776 needSep = true; 11777 pw.println(" Time since processes crashed:"); 11778 printed = true; 11779 printedAnything = true; 11780 } 11781 pw.print(" Process "); pw.print(pname); 11782 pw.print(" uid "); pw.print(puid); 11783 pw.print(": last crashed "); 11784 TimeUtils.formatDuration(now-uids.valueAt(i), pw); 11785 pw.println(" ago"); 11786 } 11787 } 11788 } 11789 11790 if (mBadProcesses.getMap().size() > 0) { 11791 boolean printed = false; 11792 final ArrayMap<String, SparseArray<BadProcessInfo>> pmap = mBadProcesses.getMap(); 11793 final int NP = pmap.size(); 11794 for (int ip=0; ip<NP; ip++) { 11795 String pname = pmap.keyAt(ip); 11796 SparseArray<BadProcessInfo> uids = pmap.valueAt(ip); 11797 final int N = uids.size(); 11798 for (int i=0; i<N; i++) { 11799 int puid = uids.keyAt(i); 11800 ProcessRecord r = mProcessNames.get(pname, puid); 11801 if (dumpPackage != null && (r == null 11802 || !r.pkgList.containsKey(dumpPackage))) { 11803 continue; 11804 } 11805 if (!printed) { 11806 if (needSep) pw.println(); 11807 needSep = true; 11808 pw.println(" Bad processes:"); 11809 printedAnything = true; 11810 } 11811 BadProcessInfo info = uids.valueAt(i); 11812 pw.print(" Bad process "); pw.print(pname); 11813 pw.print(" uid "); pw.print(puid); 11814 pw.print(": crashed at time "); pw.println(info.time); 11815 if (info.shortMsg != null) { 11816 pw.print(" Short msg: "); pw.println(info.shortMsg); 11817 } 11818 if (info.longMsg != null) { 11819 pw.print(" Long msg: "); pw.println(info.longMsg); 11820 } 11821 if (info.stack != null) { 11822 pw.println(" Stack:"); 11823 int lastPos = 0; 11824 for (int pos=0; pos<info.stack.length(); pos++) { 11825 if (info.stack.charAt(pos) == '\n') { 11826 pw.print(" "); 11827 pw.write(info.stack, lastPos, pos-lastPos); 11828 pw.println(); 11829 lastPos = pos+1; 11830 } 11831 } 11832 if (lastPos < info.stack.length()) { 11833 pw.print(" "); 11834 pw.write(info.stack, lastPos, info.stack.length()-lastPos); 11835 pw.println(); 11836 } 11837 } 11838 } 11839 } 11840 } 11841 11842 if (dumpPackage == null) { 11843 pw.println(); 11844 needSep = false; 11845 pw.println(" mStartedUsers:"); 11846 for (int i=0; i<mStartedUsers.size(); i++) { 11847 UserStartedState uss = mStartedUsers.valueAt(i); 11848 pw.print(" User #"); pw.print(uss.mHandle.getIdentifier()); 11849 pw.print(": "); uss.dump("", pw); 11850 } 11851 pw.print(" mStartedUserArray: ["); 11852 for (int i=0; i<mStartedUserArray.length; i++) { 11853 if (i > 0) pw.print(", "); 11854 pw.print(mStartedUserArray[i]); 11855 } 11856 pw.println("]"); 11857 pw.print(" mUserLru: ["); 11858 for (int i=0; i<mUserLru.size(); i++) { 11859 if (i > 0) pw.print(", "); 11860 pw.print(mUserLru.get(i)); 11861 } 11862 pw.println("]"); 11863 if (dumpAll) { 11864 pw.print(" mStartedUserArray: "); pw.println(Arrays.toString(mStartedUserArray)); 11865 } 11866 synchronized (mUserProfileGroupIdsSelfLocked) { 11867 if (mUserProfileGroupIdsSelfLocked.size() > 0) { 11868 pw.println(" mUserProfileGroupIds:"); 11869 for (int i=0; i<mUserProfileGroupIdsSelfLocked.size(); i++) { 11870 pw.print(" User #"); 11871 pw.print(mUserProfileGroupIdsSelfLocked.keyAt(i)); 11872 pw.print(" -> profile #"); 11873 pw.println(mUserProfileGroupIdsSelfLocked.valueAt(i)); 11874 } 11875 } 11876 } 11877 } 11878 if (mHomeProcess != null && (dumpPackage == null 11879 || mHomeProcess.pkgList.containsKey(dumpPackage))) { 11880 if (needSep) { 11881 pw.println(); 11882 needSep = false; 11883 } 11884 pw.println(" mHomeProcess: " + mHomeProcess); 11885 } 11886 if (mPreviousProcess != null && (dumpPackage == null 11887 || mPreviousProcess.pkgList.containsKey(dumpPackage))) { 11888 if (needSep) { 11889 pw.println(); 11890 needSep = false; 11891 } 11892 pw.println(" mPreviousProcess: " + mPreviousProcess); 11893 } 11894 if (dumpAll) { 11895 StringBuilder sb = new StringBuilder(128); 11896 sb.append(" mPreviousProcessVisibleTime: "); 11897 TimeUtils.formatDuration(mPreviousProcessVisibleTime, sb); 11898 pw.println(sb); 11899 } 11900 if (mHeavyWeightProcess != null && (dumpPackage == null 11901 || mHeavyWeightProcess.pkgList.containsKey(dumpPackage))) { 11902 if (needSep) { 11903 pw.println(); 11904 needSep = false; 11905 } 11906 pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); 11907 } 11908 if (dumpPackage == null) { 11909 pw.println(" mConfiguration: " + mConfiguration); 11910 } 11911 if (dumpAll) { 11912 pw.println(" mConfigWillChange: " + getFocusedStack().mConfigWillChange); 11913 if (mCompatModePackages.getPackages().size() > 0) { 11914 boolean printed = false; 11915 for (Map.Entry<String, Integer> entry 11916 : mCompatModePackages.getPackages().entrySet()) { 11917 String pkg = entry.getKey(); 11918 int mode = entry.getValue(); 11919 if (dumpPackage != null && !dumpPackage.equals(pkg)) { 11920 continue; 11921 } 11922 if (!printed) { 11923 pw.println(" mScreenCompatPackages:"); 11924 printed = true; 11925 } 11926 pw.print(" "); pw.print(pkg); pw.print(": "); 11927 pw.print(mode); pw.println(); 11928 } 11929 } 11930 } 11931 if (dumpPackage == null) { 11932 if (mSleeping || mWentToSleep || mLockScreenShown) { 11933 pw.println(" mSleeping=" + mSleeping + " mWentToSleep=" + mWentToSleep 11934 + " mLockScreenShown " + mLockScreenShown); 11935 } 11936 if (mShuttingDown || mRunningVoice) { 11937 pw.print(" mShuttingDown=" + mShuttingDown + " mRunningVoice=" + mRunningVoice); 11938 } 11939 } 11940 if (mDebugApp != null || mOrigDebugApp != null || mDebugTransient 11941 || mOrigWaitForDebugger) { 11942 if (dumpPackage == null || dumpPackage.equals(mDebugApp) 11943 || dumpPackage.equals(mOrigDebugApp)) { 11944 if (needSep) { 11945 pw.println(); 11946 needSep = false; 11947 } 11948 pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp 11949 + " mDebugTransient=" + mDebugTransient 11950 + " mOrigWaitForDebugger=" + mOrigWaitForDebugger); 11951 } 11952 } 11953 if (mOpenGlTraceApp != null) { 11954 if (dumpPackage == null || dumpPackage.equals(mOpenGlTraceApp)) { 11955 if (needSep) { 11956 pw.println(); 11957 needSep = false; 11958 } 11959 pw.println(" mOpenGlTraceApp=" + mOpenGlTraceApp); 11960 } 11961 } 11962 if (mProfileApp != null || mProfileProc != null || mProfileFile != null 11963 || mProfileFd != null) { 11964 if (dumpPackage == null || dumpPackage.equals(mProfileApp)) { 11965 if (needSep) { 11966 pw.println(); 11967 needSep = false; 11968 } 11969 pw.println(" mProfileApp=" + mProfileApp + " mProfileProc=" + mProfileProc); 11970 pw.println(" mProfileFile=" + mProfileFile + " mProfileFd=" + mProfileFd); 11971 pw.println(" mProfileType=" + mProfileType + " mAutoStopProfiler=" 11972 + mAutoStopProfiler); 11973 } 11974 } 11975 if (dumpPackage == null) { 11976 if (mAlwaysFinishActivities || mController != null) { 11977 pw.println(" mAlwaysFinishActivities=" + mAlwaysFinishActivities 11978 + " mController=" + mController); 11979 } 11980 if (dumpAll) { 11981 pw.println(" Total persistent processes: " + numPers); 11982 pw.println(" mProcessesReady=" + mProcessesReady 11983 + " mSystemReady=" + mSystemReady); 11984 pw.println(" mBooting=" + mBooting 11985 + " mBooted=" + mBooted 11986 + " mFactoryTest=" + mFactoryTest); 11987 pw.print(" mLastPowerCheckRealtime="); 11988 TimeUtils.formatDuration(mLastPowerCheckRealtime, pw); 11989 pw.println(""); 11990 pw.print(" mLastPowerCheckUptime="); 11991 TimeUtils.formatDuration(mLastPowerCheckUptime, pw); 11992 pw.println(""); 11993 pw.println(" mGoingToSleep=" + mStackSupervisor.mGoingToSleep); 11994 pw.println(" mLaunchingActivity=" + mStackSupervisor.mLaunchingActivity); 11995 pw.println(" mAdjSeq=" + mAdjSeq + " mLruSeq=" + mLruSeq); 11996 pw.println(" mNumNonCachedProcs=" + mNumNonCachedProcs 11997 + " (" + mLruProcesses.size() + " total)" 11998 + " mNumCachedHiddenProcs=" + mNumCachedHiddenProcs 11999 + " mNumServiceProcs=" + mNumServiceProcs 12000 + " mNewNumServiceProcs=" + mNewNumServiceProcs); 12001 pw.println(" mAllowLowerMemLevel=" + mAllowLowerMemLevel 12002 + " mLastMemoryLevel" + mLastMemoryLevel 12003 + " mLastNumProcesses" + mLastNumProcesses); 12004 long now = SystemClock.uptimeMillis(); 12005 pw.print(" mLastIdleTime="); 12006 TimeUtils.formatDuration(now, mLastIdleTime, pw); 12007 pw.print(" mLowRamSinceLastIdle="); 12008 TimeUtils.formatDuration(getLowRamTimeSinceIdle(now), pw); 12009 pw.println(); 12010 } 12011 } 12012 12013 if (!printedAnything) { 12014 pw.println(" (nothing)"); 12015 } 12016 } 12017 12018 boolean dumpProcessesToGc(FileDescriptor fd, PrintWriter pw, String[] args, 12019 int opti, boolean needSep, boolean dumpAll, String dumpPackage) { 12020 if (mProcessesToGc.size() > 0) { 12021 boolean printed = false; 12022 long now = SystemClock.uptimeMillis(); 12023 for (int i=0; i<mProcessesToGc.size(); i++) { 12024 ProcessRecord proc = mProcessesToGc.get(i); 12025 if (dumpPackage != null && !dumpPackage.equals(proc.info.packageName)) { 12026 continue; 12027 } 12028 if (!printed) { 12029 if (needSep) pw.println(); 12030 needSep = true; 12031 pw.println(" Processes that are waiting to GC:"); 12032 printed = true; 12033 } 12034 pw.print(" Process "); pw.println(proc); 12035 pw.print(" lowMem="); pw.print(proc.reportLowMemory); 12036 pw.print(", last gced="); 12037 pw.print(now-proc.lastRequestedGc); 12038 pw.print(" ms ago, last lowMem="); 12039 pw.print(now-proc.lastLowMemory); 12040 pw.println(" ms ago"); 12041 12042 } 12043 } 12044 return needSep; 12045 } 12046 12047 void printOomLevel(PrintWriter pw, String name, int adj) { 12048 pw.print(" "); 12049 if (adj >= 0) { 12050 pw.print(' '); 12051 if (adj < 10) pw.print(' '); 12052 } else { 12053 if (adj > -10) pw.print(' '); 12054 } 12055 pw.print(adj); 12056 pw.print(": "); 12057 pw.print(name); 12058 pw.print(" ("); 12059 pw.print(mProcessList.getMemLevel(adj)/1024); 12060 pw.println(" kB)"); 12061 } 12062 12063 boolean dumpOomLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12064 int opti, boolean dumpAll) { 12065 boolean needSep = false; 12066 12067 if (mLruProcesses.size() > 0) { 12068 if (needSep) pw.println(); 12069 needSep = true; 12070 pw.println(" OOM levels:"); 12071 printOomLevel(pw, "SYSTEM_ADJ", ProcessList.SYSTEM_ADJ); 12072 printOomLevel(pw, "PERSISTENT_PROC_ADJ", ProcessList.PERSISTENT_PROC_ADJ); 12073 printOomLevel(pw, "FOREGROUND_APP_ADJ", ProcessList.FOREGROUND_APP_ADJ); 12074 printOomLevel(pw, "VISIBLE_APP_ADJ", ProcessList.VISIBLE_APP_ADJ); 12075 printOomLevel(pw, "PERCEPTIBLE_APP_ADJ", ProcessList.PERCEPTIBLE_APP_ADJ); 12076 printOomLevel(pw, "BACKUP_APP_ADJ", ProcessList.BACKUP_APP_ADJ); 12077 printOomLevel(pw, "HEAVY_WEIGHT_APP_ADJ", ProcessList.HEAVY_WEIGHT_APP_ADJ); 12078 printOomLevel(pw, "SERVICE_ADJ", ProcessList.SERVICE_ADJ); 12079 printOomLevel(pw, "HOME_APP_ADJ", ProcessList.HOME_APP_ADJ); 12080 printOomLevel(pw, "PREVIOUS_APP_ADJ", ProcessList.PREVIOUS_APP_ADJ); 12081 printOomLevel(pw, "SERVICE_B_ADJ", ProcessList.SERVICE_B_ADJ); 12082 printOomLevel(pw, "CACHED_APP_MIN_ADJ", ProcessList.CACHED_APP_MIN_ADJ); 12083 printOomLevel(pw, "CACHED_APP_MAX_ADJ", ProcessList.CACHED_APP_MAX_ADJ); 12084 12085 if (needSep) pw.println(); 12086 pw.print(" Process OOM control ("); pw.print(mLruProcesses.size()); 12087 pw.print(" total, non-act at "); 12088 pw.print(mLruProcesses.size()-mLruProcessActivityStart); 12089 pw.print(", non-svc at "); 12090 pw.print(mLruProcesses.size()-mLruProcessServiceStart); 12091 pw.println("):"); 12092 dumpProcessOomList(pw, this, mLruProcesses, " ", "Proc", "PERS", true, null); 12093 needSep = true; 12094 } 12095 12096 dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, null); 12097 12098 pw.println(); 12099 pw.println(" mHomeProcess: " + mHomeProcess); 12100 pw.println(" mPreviousProcess: " + mPreviousProcess); 12101 if (mHeavyWeightProcess != null) { 12102 pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); 12103 } 12104 12105 return true; 12106 } 12107 12108 /** 12109 * There are three ways to call this: 12110 * - no provider specified: dump all the providers 12111 * - a flattened component name that matched an existing provider was specified as the 12112 * first arg: dump that one provider 12113 * - the first arg isn't the flattened component name of an existing provider: 12114 * dump all providers whose component contains the first arg as a substring 12115 */ 12116 protected boolean dumpProvider(FileDescriptor fd, PrintWriter pw, String name, String[] args, 12117 int opti, boolean dumpAll) { 12118 return mProviderMap.dumpProvider(fd, pw, name, args, opti, dumpAll); 12119 } 12120 12121 static class ItemMatcher { 12122 ArrayList<ComponentName> components; 12123 ArrayList<String> strings; 12124 ArrayList<Integer> objects; 12125 boolean all; 12126 12127 ItemMatcher() { 12128 all = true; 12129 } 12130 12131 void build(String name) { 12132 ComponentName componentName = ComponentName.unflattenFromString(name); 12133 if (componentName != null) { 12134 if (components == null) { 12135 components = new ArrayList<ComponentName>(); 12136 } 12137 components.add(componentName); 12138 all = false; 12139 } else { 12140 int objectId = 0; 12141 // Not a '/' separated full component name; maybe an object ID? 12142 try { 12143 objectId = Integer.parseInt(name, 16); 12144 if (objects == null) { 12145 objects = new ArrayList<Integer>(); 12146 } 12147 objects.add(objectId); 12148 all = false; 12149 } catch (RuntimeException e) { 12150 // Not an integer; just do string match. 12151 if (strings == null) { 12152 strings = new ArrayList<String>(); 12153 } 12154 strings.add(name); 12155 all = false; 12156 } 12157 } 12158 } 12159 12160 int build(String[] args, int opti) { 12161 for (; opti<args.length; opti++) { 12162 String name = args[opti]; 12163 if ("--".equals(name)) { 12164 return opti+1; 12165 } 12166 build(name); 12167 } 12168 return opti; 12169 } 12170 12171 boolean match(Object object, ComponentName comp) { 12172 if (all) { 12173 return true; 12174 } 12175 if (components != null) { 12176 for (int i=0; i<components.size(); i++) { 12177 if (components.get(i).equals(comp)) { 12178 return true; 12179 } 12180 } 12181 } 12182 if (objects != null) { 12183 for (int i=0; i<objects.size(); i++) { 12184 if (System.identityHashCode(object) == objects.get(i)) { 12185 return true; 12186 } 12187 } 12188 } 12189 if (strings != null) { 12190 String flat = comp.flattenToString(); 12191 for (int i=0; i<strings.size(); i++) { 12192 if (flat.contains(strings.get(i))) { 12193 return true; 12194 } 12195 } 12196 } 12197 return false; 12198 } 12199 } 12200 12201 /** 12202 * There are three things that cmd can be: 12203 * - a flattened component name that matches an existing activity 12204 * - the cmd arg isn't the flattened component name of an existing activity: 12205 * dump all activity whose component contains the cmd as a substring 12206 * - A hex number of the ActivityRecord object instance. 12207 */ 12208 protected boolean dumpActivity(FileDescriptor fd, PrintWriter pw, String name, String[] args, 12209 int opti, boolean dumpAll) { 12210 ArrayList<ActivityRecord> activities; 12211 12212 synchronized (this) { 12213 activities = mStackSupervisor.getDumpActivitiesLocked(name); 12214 } 12215 12216 if (activities.size() <= 0) { 12217 return false; 12218 } 12219 12220 String[] newArgs = new String[args.length - opti]; 12221 System.arraycopy(args, opti, newArgs, 0, args.length - opti); 12222 12223 TaskRecord lastTask = null; 12224 boolean needSep = false; 12225 for (int i=activities.size()-1; i>=0; i--) { 12226 ActivityRecord r = activities.get(i); 12227 if (needSep) { 12228 pw.println(); 12229 } 12230 needSep = true; 12231 synchronized (this) { 12232 if (lastTask != r.task) { 12233 lastTask = r.task; 12234 pw.print("TASK "); pw.print(lastTask.affinity); 12235 pw.print(" id="); pw.println(lastTask.taskId); 12236 if (dumpAll) { 12237 lastTask.dump(pw, " "); 12238 } 12239 } 12240 } 12241 dumpActivity(" ", fd, pw, activities.get(i), newArgs, dumpAll); 12242 } 12243 return true; 12244 } 12245 12246 /** 12247 * Invokes IApplicationThread.dumpActivity() on the thread of the specified activity if 12248 * there is a thread associated with the activity. 12249 */ 12250 private void dumpActivity(String prefix, FileDescriptor fd, PrintWriter pw, 12251 final ActivityRecord r, String[] args, boolean dumpAll) { 12252 String innerPrefix = prefix + " "; 12253 synchronized (this) { 12254 pw.print(prefix); pw.print("ACTIVITY "); pw.print(r.shortComponentName); 12255 pw.print(" "); pw.print(Integer.toHexString(System.identityHashCode(r))); 12256 pw.print(" pid="); 12257 if (r.app != null) pw.println(r.app.pid); 12258 else pw.println("(not running)"); 12259 if (dumpAll) { 12260 r.dump(pw, innerPrefix); 12261 } 12262 } 12263 if (r.app != null && r.app.thread != null) { 12264 // flush anything that is already in the PrintWriter since the thread is going 12265 // to write to the file descriptor directly 12266 pw.flush(); 12267 try { 12268 TransferPipe tp = new TransferPipe(); 12269 try { 12270 r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), 12271 r.appToken, innerPrefix, args); 12272 tp.go(fd); 12273 } finally { 12274 tp.kill(); 12275 } 12276 } catch (IOException e) { 12277 pw.println(innerPrefix + "Failure while dumping the activity: " + e); 12278 } catch (RemoteException e) { 12279 pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); 12280 } 12281 } 12282 } 12283 12284 void dumpBroadcastsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12285 int opti, boolean dumpAll, String dumpPackage) { 12286 boolean needSep = false; 12287 boolean onlyHistory = false; 12288 boolean printedAnything = false; 12289 12290 if ("history".equals(dumpPackage)) { 12291 if (opti < args.length && "-s".equals(args[opti])) { 12292 dumpAll = false; 12293 } 12294 onlyHistory = true; 12295 dumpPackage = null; 12296 } 12297 12298 pw.println("ACTIVITY MANAGER BROADCAST STATE (dumpsys activity broadcasts)"); 12299 if (!onlyHistory && dumpAll) { 12300 if (mRegisteredReceivers.size() > 0) { 12301 boolean printed = false; 12302 Iterator it = mRegisteredReceivers.values().iterator(); 12303 while (it.hasNext()) { 12304 ReceiverList r = (ReceiverList)it.next(); 12305 if (dumpPackage != null && (r.app == null || 12306 !dumpPackage.equals(r.app.info.packageName))) { 12307 continue; 12308 } 12309 if (!printed) { 12310 pw.println(" Registered Receivers:"); 12311 needSep = true; 12312 printed = true; 12313 printedAnything = true; 12314 } 12315 pw.print(" * "); pw.println(r); 12316 r.dump(pw, " "); 12317 } 12318 } 12319 12320 if (mReceiverResolver.dump(pw, needSep ? 12321 "\n Receiver Resolver Table:" : " Receiver Resolver Table:", 12322 " ", dumpPackage, false)) { 12323 needSep = true; 12324 printedAnything = true; 12325 } 12326 } 12327 12328 for (BroadcastQueue q : mBroadcastQueues) { 12329 needSep = q.dumpLocked(fd, pw, args, opti, dumpAll, dumpPackage, needSep); 12330 printedAnything |= needSep; 12331 } 12332 12333 needSep = true; 12334 12335 if (!onlyHistory && mStickyBroadcasts != null && dumpPackage == null) { 12336 for (int user=0; user<mStickyBroadcasts.size(); user++) { 12337 if (needSep) { 12338 pw.println(); 12339 } 12340 needSep = true; 12341 printedAnything = true; 12342 pw.print(" Sticky broadcasts for user "); 12343 pw.print(mStickyBroadcasts.keyAt(user)); pw.println(":"); 12344 StringBuilder sb = new StringBuilder(128); 12345 for (Map.Entry<String, ArrayList<Intent>> ent 12346 : mStickyBroadcasts.valueAt(user).entrySet()) { 12347 pw.print(" * Sticky action "); pw.print(ent.getKey()); 12348 if (dumpAll) { 12349 pw.println(":"); 12350 ArrayList<Intent> intents = ent.getValue(); 12351 final int N = intents.size(); 12352 for (int i=0; i<N; i++) { 12353 sb.setLength(0); 12354 sb.append(" Intent: "); 12355 intents.get(i).toShortString(sb, false, true, false, false); 12356 pw.println(sb.toString()); 12357 Bundle bundle = intents.get(i).getExtras(); 12358 if (bundle != null) { 12359 pw.print(" "); 12360 pw.println(bundle.toString()); 12361 } 12362 } 12363 } else { 12364 pw.println(""); 12365 } 12366 } 12367 } 12368 } 12369 12370 if (!onlyHistory && dumpAll) { 12371 pw.println(); 12372 for (BroadcastQueue queue : mBroadcastQueues) { 12373 pw.println(" mBroadcastsScheduled [" + queue.mQueueName + "]=" 12374 + queue.mBroadcastsScheduled); 12375 } 12376 pw.println(" mHandler:"); 12377 mHandler.dump(new PrintWriterPrinter(pw), " "); 12378 needSep = true; 12379 printedAnything = true; 12380 } 12381 12382 if (!printedAnything) { 12383 pw.println(" (nothing)"); 12384 } 12385 } 12386 12387 void dumpProvidersLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12388 int opti, boolean dumpAll, String dumpPackage) { 12389 boolean needSep; 12390 boolean printedAnything = false; 12391 12392 ItemMatcher matcher = new ItemMatcher(); 12393 matcher.build(args, opti); 12394 12395 pw.println("ACTIVITY MANAGER CONTENT PROVIDERS (dumpsys activity providers)"); 12396 12397 needSep = mProviderMap.dumpProvidersLocked(pw, dumpAll, dumpPackage); 12398 printedAnything |= needSep; 12399 12400 if (mLaunchingProviders.size() > 0) { 12401 boolean printed = false; 12402 for (int i=mLaunchingProviders.size()-1; i>=0; i--) { 12403 ContentProviderRecord r = mLaunchingProviders.get(i); 12404 if (dumpPackage != null && !dumpPackage.equals(r.name.getPackageName())) { 12405 continue; 12406 } 12407 if (!printed) { 12408 if (needSep) pw.println(); 12409 needSep = true; 12410 pw.println(" Launching content providers:"); 12411 printed = true; 12412 printedAnything = true; 12413 } 12414 pw.print(" Launching #"); pw.print(i); pw.print(": "); 12415 pw.println(r); 12416 } 12417 } 12418 12419 if (mGrantedUriPermissions.size() > 0) { 12420 boolean printed = false; 12421 int dumpUid = -2; 12422 if (dumpPackage != null) { 12423 try { 12424 dumpUid = mContext.getPackageManager().getPackageUid(dumpPackage, 0); 12425 } catch (NameNotFoundException e) { 12426 dumpUid = -1; 12427 } 12428 } 12429 for (int i=0; i<mGrantedUriPermissions.size(); i++) { 12430 int uid = mGrantedUriPermissions.keyAt(i); 12431 if (dumpUid >= -1 && UserHandle.getAppId(uid) != dumpUid) { 12432 continue; 12433 } 12434 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i); 12435 if (!printed) { 12436 if (needSep) pw.println(); 12437 needSep = true; 12438 pw.println(" Granted Uri Permissions:"); 12439 printed = true; 12440 printedAnything = true; 12441 } 12442 pw.print(" * UID "); pw.print(uid); pw.println(" holds:"); 12443 for (UriPermission perm : perms.values()) { 12444 pw.print(" "); pw.println(perm); 12445 if (dumpAll) { 12446 perm.dump(pw, " "); 12447 } 12448 } 12449 } 12450 } 12451 12452 if (!printedAnything) { 12453 pw.println(" (nothing)"); 12454 } 12455 } 12456 12457 void dumpPendingIntentsLocked(FileDescriptor fd, PrintWriter pw, String[] args, 12458 int opti, boolean dumpAll, String dumpPackage) { 12459 boolean printed = false; 12460 12461 pw.println("ACTIVITY MANAGER PENDING INTENTS (dumpsys activity intents)"); 12462 12463 if (mIntentSenderRecords.size() > 0) { 12464 Iterator<WeakReference<PendingIntentRecord>> it 12465 = mIntentSenderRecords.values().iterator(); 12466 while (it.hasNext()) { 12467 WeakReference<PendingIntentRecord> ref = it.next(); 12468 PendingIntentRecord rec = ref != null ? ref.get(): null; 12469 if (dumpPackage != null && (rec == null 12470 || !dumpPackage.equals(rec.key.packageName))) { 12471 continue; 12472 } 12473 printed = true; 12474 if (rec != null) { 12475 pw.print(" * "); pw.println(rec); 12476 if (dumpAll) { 12477 rec.dump(pw, " "); 12478 } 12479 } else { 12480 pw.print(" * "); pw.println(ref); 12481 } 12482 } 12483 } 12484 12485 if (!printed) { 12486 pw.println(" (nothing)"); 12487 } 12488 } 12489 12490 private static final int dumpProcessList(PrintWriter pw, 12491 ActivityManagerService service, List list, 12492 String prefix, String normalLabel, String persistentLabel, 12493 String dumpPackage) { 12494 int numPers = 0; 12495 final int N = list.size()-1; 12496 for (int i=N; i>=0; i--) { 12497 ProcessRecord r = (ProcessRecord)list.get(i); 12498 if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { 12499 continue; 12500 } 12501 pw.println(String.format("%s%s #%2d: %s", 12502 prefix, (r.persistent ? persistentLabel : normalLabel), 12503 i, r.toString())); 12504 if (r.persistent) { 12505 numPers++; 12506 } 12507 } 12508 return numPers; 12509 } 12510 12511 private static final boolean dumpProcessOomList(PrintWriter pw, 12512 ActivityManagerService service, List<ProcessRecord> origList, 12513 String prefix, String normalLabel, String persistentLabel, 12514 boolean inclDetails, String dumpPackage) { 12515 12516 ArrayList<Pair<ProcessRecord, Integer>> list 12517 = new ArrayList<Pair<ProcessRecord, Integer>>(origList.size()); 12518 for (int i=0; i<origList.size(); i++) { 12519 ProcessRecord r = origList.get(i); 12520 if (dumpPackage != null && !r.pkgList.containsKey(dumpPackage)) { 12521 continue; 12522 } 12523 list.add(new Pair<ProcessRecord, Integer>(origList.get(i), i)); 12524 } 12525 12526 if (list.size() <= 0) { 12527 return false; 12528 } 12529 12530 Comparator<Pair<ProcessRecord, Integer>> comparator 12531 = new Comparator<Pair<ProcessRecord, Integer>>() { 12532 @Override 12533 public int compare(Pair<ProcessRecord, Integer> object1, 12534 Pair<ProcessRecord, Integer> object2) { 12535 if (object1.first.setAdj != object2.first.setAdj) { 12536 return object1.first.setAdj > object2.first.setAdj ? -1 : 1; 12537 } 12538 if (object1.second.intValue() != object2.second.intValue()) { 12539 return object1.second.intValue() > object2.second.intValue() ? -1 : 1; 12540 } 12541 return 0; 12542 } 12543 }; 12544 12545 Collections.sort(list, comparator); 12546 12547 final long curRealtime = SystemClock.elapsedRealtime(); 12548 final long realtimeSince = curRealtime - service.mLastPowerCheckRealtime; 12549 final long curUptime = SystemClock.uptimeMillis(); 12550 final long uptimeSince = curUptime - service.mLastPowerCheckUptime; 12551 12552 for (int i=list.size()-1; i>=0; i--) { 12553 ProcessRecord r = list.get(i).first; 12554 String oomAdj = ProcessList.makeOomAdjString(r.setAdj); 12555 char schedGroup; 12556 switch (r.setSchedGroup) { 12557 case Process.THREAD_GROUP_BG_NONINTERACTIVE: 12558 schedGroup = 'B'; 12559 break; 12560 case Process.THREAD_GROUP_DEFAULT: 12561 schedGroup = 'F'; 12562 break; 12563 default: 12564 schedGroup = '?'; 12565 break; 12566 } 12567 char foreground; 12568 if (r.foregroundActivities) { 12569 foreground = 'A'; 12570 } else if (r.foregroundServices) { 12571 foreground = 'S'; 12572 } else { 12573 foreground = ' '; 12574 } 12575 String procState = ProcessList.makeProcStateString(r.curProcState); 12576 pw.print(prefix); 12577 pw.print(r.persistent ? persistentLabel : normalLabel); 12578 pw.print(" #"); 12579 int num = (origList.size()-1)-list.get(i).second; 12580 if (num < 10) pw.print(' '); 12581 pw.print(num); 12582 pw.print(": "); 12583 pw.print(oomAdj); 12584 pw.print(' '); 12585 pw.print(schedGroup); 12586 pw.print('/'); 12587 pw.print(foreground); 12588 pw.print('/'); 12589 pw.print(procState); 12590 pw.print(" trm:"); 12591 if (r.trimMemoryLevel < 10) pw.print(' '); 12592 pw.print(r.trimMemoryLevel); 12593 pw.print(' '); 12594 pw.print(r.toShortString()); 12595 pw.print(" ("); 12596 pw.print(r.adjType); 12597 pw.println(')'); 12598 if (r.adjSource != null || r.adjTarget != null) { 12599 pw.print(prefix); 12600 pw.print(" "); 12601 if (r.adjTarget instanceof ComponentName) { 12602 pw.print(((ComponentName)r.adjTarget).flattenToShortString()); 12603 } else if (r.adjTarget != null) { 12604 pw.print(r.adjTarget.toString()); 12605 } else { 12606 pw.print("{null}"); 12607 } 12608 pw.print("<="); 12609 if (r.adjSource instanceof ProcessRecord) { 12610 pw.print("Proc{"); 12611 pw.print(((ProcessRecord)r.adjSource).toShortString()); 12612 pw.println("}"); 12613 } else if (r.adjSource != null) { 12614 pw.println(r.adjSource.toString()); 12615 } else { 12616 pw.println("{null}"); 12617 } 12618 } 12619 if (inclDetails) { 12620 pw.print(prefix); 12621 pw.print(" "); 12622 pw.print("oom: max="); pw.print(r.maxAdj); 12623 pw.print(" curRaw="); pw.print(r.curRawAdj); 12624 pw.print(" setRaw="); pw.print(r.setRawAdj); 12625 pw.print(" cur="); pw.print(r.curAdj); 12626 pw.print(" set="); pw.println(r.setAdj); 12627 pw.print(prefix); 12628 pw.print(" "); 12629 pw.print("state: cur="); pw.print(ProcessList.makeProcStateString(r.curProcState)); 12630 pw.print(" set="); pw.print(ProcessList.makeProcStateString(r.setProcState)); 12631 pw.print(" lastPss="); pw.print(r.lastPss); 12632 pw.print(" lastCachedPss="); pw.println(r.lastCachedPss); 12633 pw.print(prefix); 12634 pw.print(" "); 12635 pw.print("cached="); pw.print(r.cached); 12636 pw.print(" empty="); pw.print(r.empty); 12637 pw.print(" hasAboveClient="); pw.println(r.hasAboveClient); 12638 12639 if (r.setProcState >= ActivityManager.PROCESS_STATE_SERVICE) { 12640 if (r.lastWakeTime != 0) { 12641 long wtime; 12642 BatteryStatsImpl stats = service.mBatteryStatsService.getActiveStatistics(); 12643 synchronized (stats) { 12644 wtime = stats.getProcessWakeTime(r.info.uid, 12645 r.pid, curRealtime); 12646 } 12647 long timeUsed = wtime - r.lastWakeTime; 12648 pw.print(prefix); 12649 pw.print(" "); 12650 pw.print("keep awake over "); 12651 TimeUtils.formatDuration(realtimeSince, pw); 12652 pw.print(" used "); 12653 TimeUtils.formatDuration(timeUsed, pw); 12654 pw.print(" ("); 12655 pw.print((timeUsed*100)/realtimeSince); 12656 pw.println("%)"); 12657 } 12658 if (r.lastCpuTime != 0) { 12659 long timeUsed = r.curCpuTime - r.lastCpuTime; 12660 pw.print(prefix); 12661 pw.print(" "); 12662 pw.print("run cpu over "); 12663 TimeUtils.formatDuration(uptimeSince, pw); 12664 pw.print(" used "); 12665 TimeUtils.formatDuration(timeUsed, pw); 12666 pw.print(" ("); 12667 pw.print((timeUsed*100)/uptimeSince); 12668 pw.println("%)"); 12669 } 12670 } 12671 } 12672 } 12673 return true; 12674 } 12675 12676 ArrayList<ProcessRecord> collectProcesses(PrintWriter pw, int start, String[] args) { 12677 ArrayList<ProcessRecord> procs; 12678 synchronized (this) { 12679 if (args != null && args.length > start 12680 && args[start].charAt(0) != '-') { 12681 procs = new ArrayList<ProcessRecord>(); 12682 int pid = -1; 12683 try { 12684 pid = Integer.parseInt(args[start]); 12685 } catch (NumberFormatException e) { 12686 } 12687 for (int i=mLruProcesses.size()-1; i>=0; i--) { 12688 ProcessRecord proc = mLruProcesses.get(i); 12689 if (proc.pid == pid) { 12690 procs.add(proc); 12691 } else if (proc.processName.equals(args[start])) { 12692 procs.add(proc); 12693 } 12694 } 12695 if (procs.size() <= 0) { 12696 return null; 12697 } 12698 } else { 12699 procs = new ArrayList<ProcessRecord>(mLruProcesses); 12700 } 12701 } 12702 return procs; 12703 } 12704 12705 final void dumpGraphicsHardwareUsage(FileDescriptor fd, 12706 PrintWriter pw, String[] args) { 12707 ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); 12708 if (procs == null) { 12709 pw.println("No process found for: " + args[0]); 12710 return; 12711 } 12712 12713 long uptime = SystemClock.uptimeMillis(); 12714 long realtime = SystemClock.elapsedRealtime(); 12715 pw.println("Applications Graphics Acceleration Info:"); 12716 pw.println("Uptime: " + uptime + " Realtime: " + realtime); 12717 12718 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 12719 ProcessRecord r = procs.get(i); 12720 if (r.thread != null) { 12721 pw.println("\n** Graphics info for pid " + r.pid + " [" + r.processName + "] **"); 12722 pw.flush(); 12723 try { 12724 TransferPipe tp = new TransferPipe(); 12725 try { 12726 r.thread.dumpGfxInfo(tp.getWriteFd().getFileDescriptor(), args); 12727 tp.go(fd); 12728 } finally { 12729 tp.kill(); 12730 } 12731 } catch (IOException e) { 12732 pw.println("Failure while dumping the app: " + r); 12733 pw.flush(); 12734 } catch (RemoteException e) { 12735 pw.println("Got a RemoteException while dumping the app " + r); 12736 pw.flush(); 12737 } 12738 } 12739 } 12740 } 12741 12742 final void dumpDbInfo(FileDescriptor fd, PrintWriter pw, String[] args) { 12743 ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); 12744 if (procs == null) { 12745 pw.println("No process found for: " + args[0]); 12746 return; 12747 } 12748 12749 pw.println("Applications Database Info:"); 12750 12751 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 12752 ProcessRecord r = procs.get(i); 12753 if (r.thread != null) { 12754 pw.println("\n** Database info for pid " + r.pid + " [" + r.processName + "] **"); 12755 pw.flush(); 12756 try { 12757 TransferPipe tp = new TransferPipe(); 12758 try { 12759 r.thread.dumpDbInfo(tp.getWriteFd().getFileDescriptor(), args); 12760 tp.go(fd); 12761 } finally { 12762 tp.kill(); 12763 } 12764 } catch (IOException e) { 12765 pw.println("Failure while dumping the app: " + r); 12766 pw.flush(); 12767 } catch (RemoteException e) { 12768 pw.println("Got a RemoteException while dumping the app " + r); 12769 pw.flush(); 12770 } 12771 } 12772 } 12773 } 12774 12775 final static class MemItem { 12776 final boolean isProc; 12777 final String label; 12778 final String shortLabel; 12779 final long pss; 12780 final int id; 12781 final boolean hasActivities; 12782 ArrayList<MemItem> subitems; 12783 12784 public MemItem(String _label, String _shortLabel, long _pss, int _id, 12785 boolean _hasActivities) { 12786 isProc = true; 12787 label = _label; 12788 shortLabel = _shortLabel; 12789 pss = _pss; 12790 id = _id; 12791 hasActivities = _hasActivities; 12792 } 12793 12794 public MemItem(String _label, String _shortLabel, long _pss, int _id) { 12795 isProc = false; 12796 label = _label; 12797 shortLabel = _shortLabel; 12798 pss = _pss; 12799 id = _id; 12800 hasActivities = false; 12801 } 12802 } 12803 12804 static final void dumpMemItems(PrintWriter pw, String prefix, String tag, 12805 ArrayList<MemItem> items, boolean sort, boolean isCompact) { 12806 if (sort && !isCompact) { 12807 Collections.sort(items, new Comparator<MemItem>() { 12808 @Override 12809 public int compare(MemItem lhs, MemItem rhs) { 12810 if (lhs.pss < rhs.pss) { 12811 return 1; 12812 } else if (lhs.pss > rhs.pss) { 12813 return -1; 12814 } 12815 return 0; 12816 } 12817 }); 12818 } 12819 12820 for (int i=0; i<items.size(); i++) { 12821 MemItem mi = items.get(i); 12822 if (!isCompact) { 12823 pw.print(prefix); pw.printf("%7d kB: ", mi.pss); pw.println(mi.label); 12824 } else if (mi.isProc) { 12825 pw.print("proc,"); pw.print(tag); pw.print(","); pw.print(mi.shortLabel); 12826 pw.print(","); pw.print(mi.id); pw.print(","); pw.print(mi.pss); 12827 pw.println(mi.hasActivities ? ",a" : ",e"); 12828 } else { 12829 pw.print(tag); pw.print(","); pw.print(mi.shortLabel); pw.print(","); 12830 pw.println(mi.pss); 12831 } 12832 if (mi.subitems != null) { 12833 dumpMemItems(pw, prefix + " ", mi.shortLabel, mi.subitems, 12834 true, isCompact); 12835 } 12836 } 12837 } 12838 12839 // These are in KB. 12840 static final long[] DUMP_MEM_BUCKETS = new long[] { 12841 5*1024, 7*1024, 10*1024, 15*1024, 20*1024, 30*1024, 40*1024, 80*1024, 12842 120*1024, 160*1024, 200*1024, 12843 250*1024, 300*1024, 350*1024, 400*1024, 500*1024, 600*1024, 800*1024, 12844 1*1024*1024, 2*1024*1024, 5*1024*1024, 10*1024*1024, 20*1024*1024 12845 }; 12846 12847 static final void appendMemBucket(StringBuilder out, long memKB, String label, 12848 boolean stackLike) { 12849 int start = label.lastIndexOf('.'); 12850 if (start >= 0) start++; 12851 else start = 0; 12852 int end = label.length(); 12853 for (int i=0; i<DUMP_MEM_BUCKETS.length; i++) { 12854 if (DUMP_MEM_BUCKETS[i] >= memKB) { 12855 long bucket = DUMP_MEM_BUCKETS[i]/1024; 12856 out.append(bucket); 12857 out.append(stackLike ? "MB." : "MB "); 12858 out.append(label, start, end); 12859 return; 12860 } 12861 } 12862 out.append(memKB/1024); 12863 out.append(stackLike ? "MB." : "MB "); 12864 out.append(label, start, end); 12865 } 12866 12867 static final int[] DUMP_MEM_OOM_ADJ = new int[] { 12868 ProcessList.NATIVE_ADJ, 12869 ProcessList.SYSTEM_ADJ, ProcessList.PERSISTENT_PROC_ADJ, ProcessList.FOREGROUND_APP_ADJ, 12870 ProcessList.VISIBLE_APP_ADJ, ProcessList.PERCEPTIBLE_APP_ADJ, 12871 ProcessList.BACKUP_APP_ADJ, ProcessList.HEAVY_WEIGHT_APP_ADJ, 12872 ProcessList.SERVICE_ADJ, ProcessList.HOME_APP_ADJ, 12873 ProcessList.PREVIOUS_APP_ADJ, ProcessList.SERVICE_B_ADJ, ProcessList.CACHED_APP_MAX_ADJ 12874 }; 12875 static final String[] DUMP_MEM_OOM_LABEL = new String[] { 12876 "Native", 12877 "System", "Persistent", "Foreground", 12878 "Visible", "Perceptible", 12879 "Heavy Weight", "Backup", 12880 "A Services", "Home", 12881 "Previous", "B Services", "Cached" 12882 }; 12883 static final String[] DUMP_MEM_OOM_COMPACT_LABEL = new String[] { 12884 "native", 12885 "sys", "pers", "fore", 12886 "vis", "percept", 12887 "heavy", "backup", 12888 "servicea", "home", 12889 "prev", "serviceb", "cached" 12890 }; 12891 12892 private final void dumpApplicationMemoryUsageHeader(PrintWriter pw, long uptime, 12893 long realtime, boolean isCheckinRequest, boolean isCompact) { 12894 if (isCheckinRequest || isCompact) { 12895 // short checkin version 12896 pw.print("time,"); pw.print(uptime); pw.print(","); pw.println(realtime); 12897 } else { 12898 pw.println("Applications Memory Usage (kB):"); 12899 pw.println("Uptime: " + uptime + " Realtime: " + realtime); 12900 } 12901 } 12902 12903 final void dumpApplicationMemoryUsage(FileDescriptor fd, 12904 PrintWriter pw, String prefix, String[] args, boolean brief, PrintWriter categoryPw) { 12905 boolean dumpDetails = false; 12906 boolean dumpFullDetails = false; 12907 boolean dumpDalvik = false; 12908 boolean oomOnly = false; 12909 boolean isCompact = false; 12910 boolean localOnly = false; 12911 12912 int opti = 0; 12913 while (opti < args.length) { 12914 String opt = args[opti]; 12915 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12916 break; 12917 } 12918 opti++; 12919 if ("-a".equals(opt)) { 12920 dumpDetails = true; 12921 dumpFullDetails = true; 12922 dumpDalvik = true; 12923 } else if ("-d".equals(opt)) { 12924 dumpDalvik = true; 12925 } else if ("-c".equals(opt)) { 12926 isCompact = true; 12927 } else if ("--oom".equals(opt)) { 12928 oomOnly = true; 12929 } else if ("--local".equals(opt)) { 12930 localOnly = true; 12931 } else if ("-h".equals(opt)) { 12932 pw.println("meminfo dump options: [-a] [-d] [-c] [--oom] [process]"); 12933 pw.println(" -a: include all available information for each process."); 12934 pw.println(" -d: include dalvik details when dumping process details."); 12935 pw.println(" -c: dump in a compact machine-parseable representation."); 12936 pw.println(" --oom: only show processes organized by oom adj."); 12937 pw.println(" --local: only collect details locally, don't call process."); 12938 pw.println("If [process] is specified it can be the name or "); 12939 pw.println("pid of a specific process to dump."); 12940 return; 12941 } else { 12942 pw.println("Unknown argument: " + opt + "; use -h for help"); 12943 } 12944 } 12945 12946 final boolean isCheckinRequest = scanArgs(args, "--checkin"); 12947 long uptime = SystemClock.uptimeMillis(); 12948 long realtime = SystemClock.elapsedRealtime(); 12949 final long[] tmpLong = new long[1]; 12950 12951 ArrayList<ProcessRecord> procs = collectProcesses(pw, opti, args); 12952 if (procs == null) { 12953 // No Java processes. Maybe they want to print a native process. 12954 if (args != null && args.length > opti 12955 && args[opti].charAt(0) != '-') { 12956 ArrayList<ProcessCpuTracker.Stats> nativeProcs 12957 = new ArrayList<ProcessCpuTracker.Stats>(); 12958 updateCpuStatsNow(); 12959 int findPid = -1; 12960 try { 12961 findPid = Integer.parseInt(args[opti]); 12962 } catch (NumberFormatException e) { 12963 } 12964 synchronized (mProcessCpuThread) { 12965 final int N = mProcessCpuTracker.countStats(); 12966 for (int i=0; i<N; i++) { 12967 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 12968 if (st.pid == findPid || (st.baseName != null 12969 && st.baseName.equals(args[opti]))) { 12970 nativeProcs.add(st); 12971 } 12972 } 12973 } 12974 if (nativeProcs.size() > 0) { 12975 dumpApplicationMemoryUsageHeader(pw, uptime, realtime, isCheckinRequest, 12976 isCompact); 12977 Debug.MemoryInfo mi = null; 12978 for (int i = nativeProcs.size() - 1 ; i >= 0 ; i--) { 12979 final ProcessCpuTracker.Stats r = nativeProcs.get(i); 12980 final int pid = r.pid; 12981 if (!isCheckinRequest && dumpDetails) { 12982 pw.println("\n** MEMINFO in pid " + pid + " [" + r.baseName + "] **"); 12983 } 12984 if (mi == null) { 12985 mi = new Debug.MemoryInfo(); 12986 } 12987 if (dumpDetails || (!brief && !oomOnly)) { 12988 Debug.getMemoryInfo(pid, mi); 12989 } else { 12990 mi.dalvikPss = (int)Debug.getPss(pid, tmpLong); 12991 mi.dalvikPrivateDirty = (int)tmpLong[0]; 12992 } 12993 ActivityThread.dumpMemInfoTable(pw, mi, isCheckinRequest, dumpFullDetails, 12994 dumpDalvik, pid, r.baseName, 0, 0, 0, 0, 0, 0); 12995 if (isCheckinRequest) { 12996 pw.println(); 12997 } 12998 } 12999 return; 13000 } 13001 } 13002 pw.println("No process found for: " + args[opti]); 13003 return; 13004 } 13005 13006 if (!brief && !oomOnly && (procs.size() == 1 || isCheckinRequest)) { 13007 dumpDetails = true; 13008 } 13009 13010 dumpApplicationMemoryUsageHeader(pw, uptime, realtime, isCheckinRequest, isCompact); 13011 13012 String[] innerArgs = new String[args.length-opti]; 13013 System.arraycopy(args, opti, innerArgs, 0, args.length-opti); 13014 13015 ArrayList<MemItem> procMems = new ArrayList<MemItem>(); 13016 final SparseArray<MemItem> procMemsMap = new SparseArray<MemItem>(); 13017 long nativePss=0, dalvikPss=0, otherPss=0; 13018 long[] miscPss = new long[Debug.MemoryInfo.NUM_OTHER_STATS]; 13019 13020 long oomPss[] = new long[DUMP_MEM_OOM_LABEL.length]; 13021 ArrayList<MemItem>[] oomProcs = (ArrayList<MemItem>[]) 13022 new ArrayList[DUMP_MEM_OOM_LABEL.length]; 13023 13024 long totalPss = 0; 13025 long cachedPss = 0; 13026 13027 Debug.MemoryInfo mi = null; 13028 for (int i = procs.size() - 1 ; i >= 0 ; i--) { 13029 final ProcessRecord r = procs.get(i); 13030 final IApplicationThread thread; 13031 final int pid; 13032 final int oomAdj; 13033 final boolean hasActivities; 13034 synchronized (this) { 13035 thread = r.thread; 13036 pid = r.pid; 13037 oomAdj = r.getSetAdjWithServices(); 13038 hasActivities = r.activities.size() > 0; 13039 } 13040 if (thread != null) { 13041 if (!isCheckinRequest && dumpDetails) { 13042 pw.println("\n** MEMINFO in pid " + pid + " [" + r.processName + "] **"); 13043 } 13044 if (mi == null) { 13045 mi = new Debug.MemoryInfo(); 13046 } 13047 if (dumpDetails || (!brief && !oomOnly)) { 13048 Debug.getMemoryInfo(pid, mi); 13049 } else { 13050 mi.dalvikPss = (int)Debug.getPss(pid, tmpLong); 13051 mi.dalvikPrivateDirty = (int)tmpLong[0]; 13052 } 13053 if (dumpDetails) { 13054 if (localOnly) { 13055 ActivityThread.dumpMemInfoTable(pw, mi, isCheckinRequest, dumpFullDetails, 13056 dumpDalvik, pid, r.processName, 0, 0, 0, 0, 0, 0); 13057 if (isCheckinRequest) { 13058 pw.println(); 13059 } 13060 } else { 13061 try { 13062 pw.flush(); 13063 thread.dumpMemInfo(fd, mi, isCheckinRequest, dumpFullDetails, 13064 dumpDalvik, innerArgs); 13065 } catch (RemoteException e) { 13066 if (!isCheckinRequest) { 13067 pw.println("Got RemoteException!"); 13068 pw.flush(); 13069 } 13070 } 13071 } 13072 } 13073 13074 final long myTotalPss = mi.getTotalPss(); 13075 final long myTotalUss = mi.getTotalUss(); 13076 13077 synchronized (this) { 13078 if (r.thread != null && oomAdj == r.getSetAdjWithServices()) { 13079 // Record this for posterity if the process has been stable. 13080 r.baseProcessTracker.addPss(myTotalPss, myTotalUss, true, r.pkgList); 13081 } 13082 } 13083 13084 if (!isCheckinRequest && mi != null) { 13085 totalPss += myTotalPss; 13086 MemItem pssItem = new MemItem(r.processName + " (pid " + pid + 13087 (hasActivities ? " / activities)" : ")"), 13088 r.processName, myTotalPss, pid, hasActivities); 13089 procMems.add(pssItem); 13090 procMemsMap.put(pid, pssItem); 13091 13092 nativePss += mi.nativePss; 13093 dalvikPss += mi.dalvikPss; 13094 otherPss += mi.otherPss; 13095 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13096 long mem = mi.getOtherPss(j); 13097 miscPss[j] += mem; 13098 otherPss -= mem; 13099 } 13100 13101 if (oomAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 13102 cachedPss += myTotalPss; 13103 } 13104 13105 for (int oomIndex=0; oomIndex<oomPss.length; oomIndex++) { 13106 if (oomAdj <= DUMP_MEM_OOM_ADJ[oomIndex] 13107 || oomIndex == (oomPss.length-1)) { 13108 oomPss[oomIndex] += myTotalPss; 13109 if (oomProcs[oomIndex] == null) { 13110 oomProcs[oomIndex] = new ArrayList<MemItem>(); 13111 } 13112 oomProcs[oomIndex].add(pssItem); 13113 break; 13114 } 13115 } 13116 } 13117 } 13118 } 13119 13120 long nativeProcTotalPss = 0; 13121 13122 if (!isCheckinRequest && procs.size() > 1) { 13123 // If we are showing aggregations, also look for native processes to 13124 // include so that our aggregations are more accurate. 13125 updateCpuStatsNow(); 13126 synchronized (mProcessCpuThread) { 13127 final int N = mProcessCpuTracker.countStats(); 13128 for (int i=0; i<N; i++) { 13129 ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i); 13130 if (st.vsize > 0 && procMemsMap.indexOfKey(st.pid) < 0) { 13131 if (mi == null) { 13132 mi = new Debug.MemoryInfo(); 13133 } 13134 if (!brief && !oomOnly) { 13135 Debug.getMemoryInfo(st.pid, mi); 13136 } else { 13137 mi.nativePss = (int)Debug.getPss(st.pid, tmpLong); 13138 mi.nativePrivateDirty = (int)tmpLong[0]; 13139 } 13140 13141 final long myTotalPss = mi.getTotalPss(); 13142 totalPss += myTotalPss; 13143 nativeProcTotalPss += myTotalPss; 13144 13145 MemItem pssItem = new MemItem(st.name + " (pid " + st.pid + ")", 13146 st.name, myTotalPss, st.pid, false); 13147 procMems.add(pssItem); 13148 13149 nativePss += mi.nativePss; 13150 dalvikPss += mi.dalvikPss; 13151 otherPss += mi.otherPss; 13152 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13153 long mem = mi.getOtherPss(j); 13154 miscPss[j] += mem; 13155 otherPss -= mem; 13156 } 13157 oomPss[0] += myTotalPss; 13158 if (oomProcs[0] == null) { 13159 oomProcs[0] = new ArrayList<MemItem>(); 13160 } 13161 oomProcs[0].add(pssItem); 13162 } 13163 } 13164 } 13165 13166 ArrayList<MemItem> catMems = new ArrayList<MemItem>(); 13167 13168 catMems.add(new MemItem("Native", "Native", nativePss, -1)); 13169 catMems.add(new MemItem("Dalvik", "Dalvik", dalvikPss, -2)); 13170 catMems.add(new MemItem("Unknown", "Unknown", otherPss, -3)); 13171 for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { 13172 String label = Debug.MemoryInfo.getOtherLabel(j); 13173 catMems.add(new MemItem(label, label, miscPss[j], j)); 13174 } 13175 13176 ArrayList<MemItem> oomMems = new ArrayList<MemItem>(); 13177 for (int j=0; j<oomPss.length; j++) { 13178 if (oomPss[j] != 0) { 13179 String label = isCompact ? DUMP_MEM_OOM_COMPACT_LABEL[j] 13180 : DUMP_MEM_OOM_LABEL[j]; 13181 MemItem item = new MemItem(label, label, oomPss[j], 13182 DUMP_MEM_OOM_ADJ[j]); 13183 item.subitems = oomProcs[j]; 13184 oomMems.add(item); 13185 } 13186 } 13187 13188 if (!brief && !oomOnly && !isCompact) { 13189 pw.println(); 13190 pw.println("Total PSS by process:"); 13191 dumpMemItems(pw, " ", "proc", procMems, true, isCompact); 13192 pw.println(); 13193 } 13194 if (!isCompact) { 13195 pw.println("Total PSS by OOM adjustment:"); 13196 } 13197 dumpMemItems(pw, " ", "oom", oomMems, false, isCompact); 13198 if (!brief && !oomOnly) { 13199 PrintWriter out = categoryPw != null ? categoryPw : pw; 13200 if (!isCompact) { 13201 out.println(); 13202 out.println("Total PSS by category:"); 13203 } 13204 dumpMemItems(out, " ", "cat", catMems, true, isCompact); 13205 } 13206 if (!isCompact) { 13207 pw.println(); 13208 } 13209 MemInfoReader memInfo = new MemInfoReader(); 13210 memInfo.readMemInfo(); 13211 if (nativeProcTotalPss > 0) { 13212 synchronized (this) { 13213 mProcessStats.addSysMemUsageLocked(memInfo.getCachedSizeKb(), 13214 memInfo.getFreeSizeKb(), memInfo.getZramTotalSizeKb(), 13215 memInfo.getBuffersSizeKb()+memInfo.getShmemSizeKb()+memInfo.getSlabSizeKb(), 13216 nativeProcTotalPss); 13217 } 13218 } 13219 if (!brief) { 13220 if (!isCompact) { 13221 pw.print("Total RAM: "); pw.print(memInfo.getTotalSizeKb()); 13222 pw.print(" kB (status "); 13223 switch (mLastMemoryLevel) { 13224 case ProcessStats.ADJ_MEM_FACTOR_NORMAL: 13225 pw.println("normal)"); 13226 break; 13227 case ProcessStats.ADJ_MEM_FACTOR_MODERATE: 13228 pw.println("moderate)"); 13229 break; 13230 case ProcessStats.ADJ_MEM_FACTOR_LOW: 13231 pw.println("low)"); 13232 break; 13233 case ProcessStats.ADJ_MEM_FACTOR_CRITICAL: 13234 pw.println("critical)"); 13235 break; 13236 default: 13237 pw.print(mLastMemoryLevel); 13238 pw.println(")"); 13239 break; 13240 } 13241 pw.print(" Free RAM: "); pw.print(cachedPss + memInfo.getCachedSizeKb() 13242 + memInfo.getFreeSizeKb()); pw.print(" kB ("); 13243 pw.print(cachedPss); pw.print(" cached pss + "); 13244 pw.print(memInfo.getCachedSizeKb()); pw.print(" cached + "); 13245 pw.print(memInfo.getFreeSizeKb()); pw.println(" free)"); 13246 } else { 13247 pw.print("ram,"); pw.print(memInfo.getTotalSizeKb()); pw.print(","); 13248 pw.print(cachedPss + memInfo.getCachedSizeKb() 13249 + memInfo.getFreeSizeKb()); pw.print(","); 13250 pw.println(totalPss - cachedPss); 13251 } 13252 } 13253 if (!isCompact) { 13254 pw.print(" Used RAM: "); pw.print(totalPss - cachedPss 13255 + memInfo.getBuffersSizeKb() + memInfo.getShmemSizeKb() 13256 + memInfo.getSlabSizeKb()); pw.print(" kB ("); 13257 pw.print(totalPss - cachedPss); pw.print(" used pss + "); 13258 pw.print(memInfo.getBuffersSizeKb()); pw.print(" buffers + "); 13259 pw.print(memInfo.getShmemSizeKb()); pw.print(" shmem + "); 13260 pw.print(memInfo.getSlabSizeKb()); pw.println(" slab)"); 13261 pw.print(" Lost RAM: "); pw.print(memInfo.getTotalSizeKb() 13262 - totalPss - memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb() 13263 - memInfo.getBuffersSizeKb() - memInfo.getShmemSizeKb() 13264 - memInfo.getSlabSizeKb()); pw.println(" kB"); 13265 } 13266 if (!brief) { 13267 if (memInfo.getZramTotalSizeKb() != 0) { 13268 if (!isCompact) { 13269 pw.print(" ZRAM: "); pw.print(memInfo.getZramTotalSizeKb()); 13270 pw.print(" kB physical used for "); 13271 pw.print(memInfo.getSwapTotalSizeKb() 13272 - memInfo.getSwapFreeSizeKb()); 13273 pw.print(" kB in swap ("); 13274 pw.print(memInfo.getSwapTotalSizeKb()); 13275 pw.println(" kB total swap)"); 13276 } else { 13277 pw.print("zram,"); pw.print(memInfo.getZramTotalSizeKb()); pw.print(","); 13278 pw.print(memInfo.getSwapTotalSizeKb()); pw.print(","); 13279 pw.println(memInfo.getSwapFreeSizeKb()); 13280 } 13281 } 13282 final int[] SINGLE_LONG_FORMAT = new int[] { 13283 Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG 13284 }; 13285 long[] longOut = new long[1]; 13286 Process.readProcFile("/sys/kernel/mm/ksm/pages_shared", 13287 SINGLE_LONG_FORMAT, null, longOut, null); 13288 long shared = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13289 longOut[0] = 0; 13290 Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing", 13291 SINGLE_LONG_FORMAT, null, longOut, null); 13292 long sharing = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13293 longOut[0] = 0; 13294 Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared", 13295 SINGLE_LONG_FORMAT, null, longOut, null); 13296 long unshared = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13297 longOut[0] = 0; 13298 Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile", 13299 SINGLE_LONG_FORMAT, null, longOut, null); 13300 long voltile = longOut[0] * ProcessList.PAGE_SIZE / 1024; 13301 if (!isCompact) { 13302 if (sharing != 0 || shared != 0 || unshared != 0 || voltile != 0) { 13303 pw.print(" KSM: "); pw.print(sharing); 13304 pw.print(" kB saved from shared "); 13305 pw.print(shared); pw.println(" kB"); 13306 pw.print(" "); pw.print(unshared); pw.print(" kB unshared; "); 13307 pw.print(voltile); pw.println(" kB volatile"); 13308 } 13309 pw.print(" Tuning: "); 13310 pw.print(ActivityManager.staticGetMemoryClass()); 13311 pw.print(" (large "); 13312 pw.print(ActivityManager.staticGetLargeMemoryClass()); 13313 pw.print("), oom "); 13314 pw.print(mProcessList.getMemLevel(ProcessList.CACHED_APP_MAX_ADJ)/1024); 13315 pw.print(" kB"); 13316 pw.print(", restore limit "); 13317 pw.print(mProcessList.getCachedRestoreThresholdKb()); 13318 pw.print(" kB"); 13319 if (ActivityManager.isLowRamDeviceStatic()) { 13320 pw.print(" (low-ram)"); 13321 } 13322 if (ActivityManager.isHighEndGfx()) { 13323 pw.print(" (high-end-gfx)"); 13324 } 13325 pw.println(); 13326 } else { 13327 pw.print("ksm,"); pw.print(sharing); pw.print(","); 13328 pw.print(shared); pw.print(","); pw.print(unshared); pw.print(","); 13329 pw.println(voltile); 13330 pw.print("tuning,"); 13331 pw.print(ActivityManager.staticGetMemoryClass()); 13332 pw.print(','); 13333 pw.print(ActivityManager.staticGetLargeMemoryClass()); 13334 pw.print(','); 13335 pw.print(mProcessList.getMemLevel(ProcessList.CACHED_APP_MAX_ADJ)/1024); 13336 if (ActivityManager.isLowRamDeviceStatic()) { 13337 pw.print(",low-ram"); 13338 } 13339 if (ActivityManager.isHighEndGfx()) { 13340 pw.print(",high-end-gfx"); 13341 } 13342 pw.println(); 13343 } 13344 } 13345 } 13346 } 13347 13348 /** 13349 * Searches array of arguments for the specified string 13350 * @param args array of argument strings 13351 * @param value value to search for 13352 * @return true if the value is contained in the array 13353 */ 13354 private static boolean scanArgs(String[] args, String value) { 13355 if (args != null) { 13356 for (String arg : args) { 13357 if (value.equals(arg)) { 13358 return true; 13359 } 13360 } 13361 } 13362 return false; 13363 } 13364 13365 private final boolean removeDyingProviderLocked(ProcessRecord proc, 13366 ContentProviderRecord cpr, boolean always) { 13367 final boolean inLaunching = mLaunchingProviders.contains(cpr); 13368 13369 if (!inLaunching || always) { 13370 synchronized (cpr) { 13371 cpr.launchingApp = null; 13372 cpr.notifyAll(); 13373 } 13374 mProviderMap.removeProviderByClass(cpr.name, UserHandle.getUserId(cpr.uid)); 13375 String names[] = cpr.info.authority.split(";"); 13376 for (int j = 0; j < names.length; j++) { 13377 mProviderMap.removeProviderByName(names[j], UserHandle.getUserId(cpr.uid)); 13378 } 13379 } 13380 13381 for (int i=0; i<cpr.connections.size(); i++) { 13382 ContentProviderConnection conn = cpr.connections.get(i); 13383 if (conn.waiting) { 13384 // If this connection is waiting for the provider, then we don't 13385 // need to mess with its process unless we are always removing 13386 // or for some reason the provider is not currently launching. 13387 if (inLaunching && !always) { 13388 continue; 13389 } 13390 } 13391 ProcessRecord capp = conn.client; 13392 conn.dead = true; 13393 if (conn.stableCount > 0) { 13394 if (!capp.persistent && capp.thread != null 13395 && capp.pid != 0 13396 && capp.pid != MY_PID) { 13397 killUnneededProcessLocked(capp, "depends on provider " 13398 + cpr.name.flattenToShortString() 13399 + " in dying proc " + (proc != null ? proc.processName : "??")); 13400 } 13401 } else if (capp.thread != null && conn.provider.provider != null) { 13402 try { 13403 capp.thread.unstableProviderDied(conn.provider.provider.asBinder()); 13404 } catch (RemoteException e) { 13405 } 13406 // In the protocol here, we don't expect the client to correctly 13407 // clean up this connection, we'll just remove it. 13408 cpr.connections.remove(i); 13409 conn.client.conProviders.remove(conn); 13410 } 13411 } 13412 13413 if (inLaunching && always) { 13414 mLaunchingProviders.remove(cpr); 13415 } 13416 return inLaunching; 13417 } 13418 13419 /** 13420 * Main code for cleaning up a process when it has gone away. This is 13421 * called both as a result of the process dying, or directly when stopping 13422 * a process when running in single process mode. 13423 */ 13424 private final void cleanUpApplicationRecordLocked(ProcessRecord app, 13425 boolean restarting, boolean allowRestart, int index) { 13426 if (index >= 0) { 13427 removeLruProcessLocked(app); 13428 ProcessList.remove(app.pid); 13429 } 13430 13431 mProcessesToGc.remove(app); 13432 mPendingPssProcesses.remove(app); 13433 13434 // Dismiss any open dialogs. 13435 if (app.crashDialog != null && !app.forceCrashReport) { 13436 app.crashDialog.dismiss(); 13437 app.crashDialog = null; 13438 } 13439 if (app.anrDialog != null) { 13440 app.anrDialog.dismiss(); 13441 app.anrDialog = null; 13442 } 13443 if (app.waitDialog != null) { 13444 app.waitDialog.dismiss(); 13445 app.waitDialog = null; 13446 } 13447 13448 app.crashing = false; 13449 app.notResponding = false; 13450 13451 app.resetPackageList(mProcessStats); 13452 app.unlinkDeathRecipient(); 13453 app.makeInactive(mProcessStats); 13454 app.waitingToKill = null; 13455 app.forcingToForeground = null; 13456 updateProcessForegroundLocked(app, false, false); 13457 app.foregroundActivities = false; 13458 app.hasShownUi = false; 13459 app.treatLikeActivity = false; 13460 app.hasAboveClient = false; 13461 app.hasClientActivities = false; 13462 13463 mServices.killServicesLocked(app, allowRestart); 13464 13465 boolean restart = false; 13466 13467 // Remove published content providers. 13468 for (int i=app.pubProviders.size()-1; i>=0; i--) { 13469 ContentProviderRecord cpr = app.pubProviders.valueAt(i); 13470 final boolean always = app.bad || !allowRestart; 13471 if (removeDyingProviderLocked(app, cpr, always) || always) { 13472 // We left the provider in the launching list, need to 13473 // restart it. 13474 restart = true; 13475 } 13476 13477 cpr.provider = null; 13478 cpr.proc = null; 13479 } 13480 app.pubProviders.clear(); 13481 13482 // Take care of any launching providers waiting for this process. 13483 if (checkAppInLaunchingProvidersLocked(app, false)) { 13484 restart = true; 13485 } 13486 13487 // Unregister from connected content providers. 13488 if (!app.conProviders.isEmpty()) { 13489 for (int i=0; i<app.conProviders.size(); i++) { 13490 ContentProviderConnection conn = app.conProviders.get(i); 13491 conn.provider.connections.remove(conn); 13492 } 13493 app.conProviders.clear(); 13494 } 13495 13496 // At this point there may be remaining entries in mLaunchingProviders 13497 // where we were the only one waiting, so they are no longer of use. 13498 // Look for these and clean up if found. 13499 // XXX Commented out for now. Trying to figure out a way to reproduce 13500 // the actual situation to identify what is actually going on. 13501 if (false) { 13502 for (int i=0; i<mLaunchingProviders.size(); i++) { 13503 ContentProviderRecord cpr = (ContentProviderRecord) 13504 mLaunchingProviders.get(i); 13505 if (cpr.connections.size() <= 0 && !cpr.hasExternalProcessHandles()) { 13506 synchronized (cpr) { 13507 cpr.launchingApp = null; 13508 cpr.notifyAll(); 13509 } 13510 } 13511 } 13512 } 13513 13514 skipCurrentReceiverLocked(app); 13515 13516 // Unregister any receivers. 13517 for (int i=app.receivers.size()-1; i>=0; i--) { 13518 removeReceiverLocked(app.receivers.valueAt(i)); 13519 } 13520 app.receivers.clear(); 13521 13522 // If the app is undergoing backup, tell the backup manager about it 13523 if (mBackupTarget != null && app.pid == mBackupTarget.app.pid) { 13524 if (DEBUG_BACKUP || DEBUG_CLEANUP) Slog.d(TAG, "App " 13525 + mBackupTarget.appInfo + " died during backup"); 13526 try { 13527 IBackupManager bm = IBackupManager.Stub.asInterface( 13528 ServiceManager.getService(Context.BACKUP_SERVICE)); 13529 bm.agentDisconnected(app.info.packageName); 13530 } catch (RemoteException e) { 13531 // can't happen; backup manager is local 13532 } 13533 } 13534 13535 for (int i = mPendingProcessChanges.size()-1; i>=0; i--) { 13536 ProcessChangeItem item = mPendingProcessChanges.get(i); 13537 if (item.pid == app.pid) { 13538 mPendingProcessChanges.remove(i); 13539 mAvailProcessChanges.add(item); 13540 } 13541 } 13542 mHandler.obtainMessage(DISPATCH_PROCESS_DIED, app.pid, app.info.uid, null).sendToTarget(); 13543 13544 // If the caller is restarting this app, then leave it in its 13545 // current lists and let the caller take care of it. 13546 if (restarting) { 13547 return; 13548 } 13549 13550 if (!app.persistent || app.isolated) { 13551 if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, 13552 "Removing non-persistent process during cleanup: " + app); 13553 mProcessNames.remove(app.processName, app.uid); 13554 mIsolatedProcesses.remove(app.uid); 13555 if (mHeavyWeightProcess == app) { 13556 mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, 13557 mHeavyWeightProcess.userId, 0)); 13558 mHeavyWeightProcess = null; 13559 } 13560 } else if (!app.removed) { 13561 // This app is persistent, so we need to keep its record around. 13562 // If it is not already on the pending app list, add it there 13563 // and start a new process for it. 13564 if (mPersistentStartingProcesses.indexOf(app) < 0) { 13565 mPersistentStartingProcesses.add(app); 13566 restart = true; 13567 } 13568 } 13569 if ((DEBUG_PROCESSES || DEBUG_CLEANUP) && mProcessesOnHold.contains(app)) Slog.v(TAG, 13570 "Clean-up removing on hold: " + app); 13571 mProcessesOnHold.remove(app); 13572 13573 if (app == mHomeProcess) { 13574 mHomeProcess = null; 13575 } 13576 if (app == mPreviousProcess) { 13577 mPreviousProcess = null; 13578 } 13579 13580 if (restart && !app.isolated) { 13581 // We have components that still need to be running in the 13582 // process, so re-launch it. 13583 mProcessNames.put(app.processName, app.uid, app); 13584 startProcessLocked(app, "restart", app.processName); 13585 } else if (app.pid > 0 && app.pid != MY_PID) { 13586 // Goodbye! 13587 boolean removed; 13588 synchronized (mPidsSelfLocked) { 13589 mPidsSelfLocked.remove(app.pid); 13590 mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); 13591 } 13592 mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); 13593 if (app.isolated) { 13594 mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); 13595 } 13596 app.setPid(0); 13597 } 13598 } 13599 13600 boolean checkAppInLaunchingProvidersLocked(ProcessRecord app, boolean alwaysBad) { 13601 // Look through the content providers we are waiting to have launched, 13602 // and if any run in this process then either schedule a restart of 13603 // the process or kill the client waiting for it if this process has 13604 // gone bad. 13605 int NL = mLaunchingProviders.size(); 13606 boolean restart = false; 13607 for (int i=0; i<NL; i++) { 13608 ContentProviderRecord cpr = mLaunchingProviders.get(i); 13609 if (cpr.launchingApp == app) { 13610 if (!alwaysBad && !app.bad) { 13611 restart = true; 13612 } else { 13613 removeDyingProviderLocked(app, cpr, true); 13614 // cpr should have been removed from mLaunchingProviders 13615 NL = mLaunchingProviders.size(); 13616 i--; 13617 } 13618 } 13619 } 13620 return restart; 13621 } 13622 13623 // ========================================================= 13624 // SERVICES 13625 // ========================================================= 13626 13627 @Override 13628 public List<ActivityManager.RunningServiceInfo> getServices(int maxNum, 13629 int flags) { 13630 enforceNotIsolatedCaller("getServices"); 13631 synchronized (this) { 13632 return mServices.getRunningServiceInfoLocked(maxNum, flags); 13633 } 13634 } 13635 13636 @Override 13637 public PendingIntent getRunningServiceControlPanel(ComponentName name) { 13638 enforceNotIsolatedCaller("getRunningServiceControlPanel"); 13639 synchronized (this) { 13640 return mServices.getRunningServiceControlPanelLocked(name); 13641 } 13642 } 13643 13644 @Override 13645 public ComponentName startService(IApplicationThread caller, Intent service, 13646 String resolvedType, int userId) { 13647 enforceNotIsolatedCaller("startService"); 13648 // Refuse possible leaked file descriptors 13649 if (service != null && service.hasFileDescriptors() == true) { 13650 throw new IllegalArgumentException("File descriptors passed in Intent"); 13651 } 13652 13653 if (DEBUG_SERVICE) 13654 Slog.v(TAG, "startService: " + service + " type=" + resolvedType); 13655 synchronized(this) { 13656 final int callingPid = Binder.getCallingPid(); 13657 final int callingUid = Binder.getCallingUid(); 13658 final long origId = Binder.clearCallingIdentity(); 13659 ComponentName res = mServices.startServiceLocked(caller, service, 13660 resolvedType, callingPid, callingUid, userId); 13661 Binder.restoreCallingIdentity(origId); 13662 return res; 13663 } 13664 } 13665 13666 ComponentName startServiceInPackage(int uid, 13667 Intent service, String resolvedType, int userId) { 13668 synchronized(this) { 13669 if (DEBUG_SERVICE) 13670 Slog.v(TAG, "startServiceInPackage: " + service + " type=" + resolvedType); 13671 final long origId = Binder.clearCallingIdentity(); 13672 ComponentName res = mServices.startServiceLocked(null, service, 13673 resolvedType, -1, uid, userId); 13674 Binder.restoreCallingIdentity(origId); 13675 return res; 13676 } 13677 } 13678 13679 @Override 13680 public int stopService(IApplicationThread caller, Intent service, 13681 String resolvedType, int userId) { 13682 enforceNotIsolatedCaller("stopService"); 13683 // Refuse possible leaked file descriptors 13684 if (service != null && service.hasFileDescriptors() == true) { 13685 throw new IllegalArgumentException("File descriptors passed in Intent"); 13686 } 13687 13688 synchronized(this) { 13689 return mServices.stopServiceLocked(caller, service, resolvedType, userId); 13690 } 13691 } 13692 13693 @Override 13694 public IBinder peekService(Intent service, String resolvedType) { 13695 enforceNotIsolatedCaller("peekService"); 13696 // Refuse possible leaked file descriptors 13697 if (service != null && service.hasFileDescriptors() == true) { 13698 throw new IllegalArgumentException("File descriptors passed in Intent"); 13699 } 13700 synchronized(this) { 13701 return mServices.peekServiceLocked(service, resolvedType); 13702 } 13703 } 13704 13705 @Override 13706 public boolean stopServiceToken(ComponentName className, IBinder token, 13707 int startId) { 13708 synchronized(this) { 13709 return mServices.stopServiceTokenLocked(className, token, startId); 13710 } 13711 } 13712 13713 @Override 13714 public void setServiceForeground(ComponentName className, IBinder token, 13715 int id, Notification notification, boolean removeNotification) { 13716 synchronized(this) { 13717 mServices.setServiceForegroundLocked(className, token, id, notification, 13718 removeNotification); 13719 } 13720 } 13721 13722 @Override 13723 public int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, 13724 boolean requireFull, String name, String callerPackage) { 13725 return handleIncomingUser(callingPid, callingUid, userId, allowAll, 13726 requireFull ? ALLOW_FULL_ONLY : ALLOW_NON_FULL, name, callerPackage); 13727 } 13728 13729 int unsafeConvertIncomingUser(int userId) { 13730 return (userId == UserHandle.USER_CURRENT || userId == UserHandle.USER_CURRENT_OR_SELF) 13731 ? mCurrentUserId : userId; 13732 } 13733 13734 int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, 13735 int allowMode, String name, String callerPackage) { 13736 final int callingUserId = UserHandle.getUserId(callingUid); 13737 if (callingUserId == userId) { 13738 return userId; 13739 } 13740 13741 // Note that we may be accessing mCurrentUserId outside of a lock... 13742 // shouldn't be a big deal, if this is being called outside 13743 // of a locked context there is intrinsically a race with 13744 // the value the caller will receive and someone else changing it. 13745 // We assume that USER_CURRENT_OR_SELF will use the current user; later 13746 // we will switch to the calling user if access to the current user fails. 13747 int targetUserId = unsafeConvertIncomingUser(userId); 13748 13749 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 13750 final boolean allow; 13751 if (checkComponentPermission(INTERACT_ACROSS_USERS_FULL, callingPid, 13752 callingUid, -1, true) == PackageManager.PERMISSION_GRANTED) { 13753 // If the caller has this permission, they always pass go. And collect $200. 13754 allow = true; 13755 } else if (allowMode == ALLOW_FULL_ONLY) { 13756 // We require full access, sucks to be you. 13757 allow = false; 13758 } else if (checkComponentPermission(INTERACT_ACROSS_USERS, callingPid, 13759 callingUid, -1, true) != PackageManager.PERMISSION_GRANTED) { 13760 // If the caller does not have either permission, they are always doomed. 13761 allow = false; 13762 } else if (allowMode == ALLOW_NON_FULL) { 13763 // We are blanket allowing non-full access, you lucky caller! 13764 allow = true; 13765 } else if (allowMode == ALLOW_NON_FULL_IN_PROFILE) { 13766 // We may or may not allow this depending on whether the two users are 13767 // in the same profile. 13768 synchronized (mUserProfileGroupIdsSelfLocked) { 13769 int callingProfile = mUserProfileGroupIdsSelfLocked.get(callingUserId, 13770 UserInfo.NO_PROFILE_GROUP_ID); 13771 int targetProfile = mUserProfileGroupIdsSelfLocked.get(targetUserId, 13772 UserInfo.NO_PROFILE_GROUP_ID); 13773 allow = callingProfile != UserInfo.NO_PROFILE_GROUP_ID 13774 && callingProfile == targetProfile; 13775 } 13776 } else { 13777 throw new IllegalArgumentException("Unknown mode: " + allowMode); 13778 } 13779 if (!allow) { 13780 if (userId == UserHandle.USER_CURRENT_OR_SELF) { 13781 // In this case, they would like to just execute as their 13782 // owner user instead of failing. 13783 targetUserId = callingUserId; 13784 } else { 13785 StringBuilder builder = new StringBuilder(128); 13786 builder.append("Permission Denial: "); 13787 builder.append(name); 13788 if (callerPackage != null) { 13789 builder.append(" from "); 13790 builder.append(callerPackage); 13791 } 13792 builder.append(" asks to run as user "); 13793 builder.append(userId); 13794 builder.append(" but is calling from user "); 13795 builder.append(UserHandle.getUserId(callingUid)); 13796 builder.append("; this requires "); 13797 builder.append(INTERACT_ACROSS_USERS_FULL); 13798 if (allowMode != ALLOW_FULL_ONLY) { 13799 builder.append(" or "); 13800 builder.append(INTERACT_ACROSS_USERS); 13801 } 13802 String msg = builder.toString(); 13803 Slog.w(TAG, msg); 13804 throw new SecurityException(msg); 13805 } 13806 } 13807 } 13808 if (!allowAll && targetUserId < 0) { 13809 throw new IllegalArgumentException( 13810 "Call does not support special user #" + targetUserId); 13811 } 13812 return targetUserId; 13813 } 13814 13815 boolean isSingleton(String componentProcessName, ApplicationInfo aInfo, 13816 String className, int flags) { 13817 boolean result = false; 13818 // For apps that don't have pre-defined UIDs, check for permission 13819 if (UserHandle.getAppId(aInfo.uid) >= Process.FIRST_APPLICATION_UID) { 13820 if ((flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 13821 if (ActivityManager.checkUidPermission( 13822 INTERACT_ACROSS_USERS, 13823 aInfo.uid) != PackageManager.PERMISSION_GRANTED) { 13824 ComponentName comp = new ComponentName(aInfo.packageName, className); 13825 String msg = "Permission Denial: Component " + comp.flattenToShortString() 13826 + " requests FLAG_SINGLE_USER, but app does not hold " 13827 + INTERACT_ACROSS_USERS; 13828 Slog.w(TAG, msg); 13829 throw new SecurityException(msg); 13830 } 13831 // Permission passed 13832 result = true; 13833 } 13834 } else if ("system".equals(componentProcessName)) { 13835 result = true; 13836 } else if (UserHandle.isSameApp(aInfo.uid, Process.PHONE_UID) 13837 && (flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 13838 // Phone app is allowed to export singleuser providers. 13839 result = true; 13840 } else { 13841 // App with pre-defined UID, check if it's a persistent app 13842 result = (aInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0; 13843 } 13844 if (DEBUG_MU) { 13845 Slog.v(TAG, "isSingleton(" + componentProcessName + ", " + aInfo 13846 + ", " + className + ", 0x" + Integer.toHexString(flags) + ") = " + result); 13847 } 13848 return result; 13849 } 13850 13851 /** 13852 * Checks to see if the caller is in the same app as the singleton 13853 * component, or the component is in a special app. It allows special apps 13854 * to export singleton components but prevents exporting singleton 13855 * components for regular apps. 13856 */ 13857 boolean isValidSingletonCall(int callingUid, int componentUid) { 13858 int componentAppId = UserHandle.getAppId(componentUid); 13859 return UserHandle.isSameApp(callingUid, componentUid) 13860 || componentAppId == Process.SYSTEM_UID 13861 || componentAppId == Process.PHONE_UID 13862 || ActivityManager.checkUidPermission(INTERACT_ACROSS_USERS_FULL, componentUid) 13863 == PackageManager.PERMISSION_GRANTED; 13864 } 13865 13866 public int bindService(IApplicationThread caller, IBinder token, 13867 Intent service, String resolvedType, 13868 IServiceConnection connection, int flags, int userId) { 13869 enforceNotIsolatedCaller("bindService"); 13870 // Refuse possible leaked file descriptors 13871 if (service != null && service.hasFileDescriptors() == true) { 13872 throw new IllegalArgumentException("File descriptors passed in Intent"); 13873 } 13874 13875 synchronized(this) { 13876 return mServices.bindServiceLocked(caller, token, service, resolvedType, 13877 connection, flags, userId); 13878 } 13879 } 13880 13881 public boolean unbindService(IServiceConnection connection) { 13882 synchronized (this) { 13883 return mServices.unbindServiceLocked(connection); 13884 } 13885 } 13886 13887 public void publishService(IBinder token, Intent intent, IBinder service) { 13888 // Refuse possible leaked file descriptors 13889 if (intent != null && intent.hasFileDescriptors() == true) { 13890 throw new IllegalArgumentException("File descriptors passed in Intent"); 13891 } 13892 13893 synchronized(this) { 13894 if (!(token instanceof ServiceRecord)) { 13895 throw new IllegalArgumentException("Invalid service token"); 13896 } 13897 mServices.publishServiceLocked((ServiceRecord)token, intent, service); 13898 } 13899 } 13900 13901 public void unbindFinished(IBinder token, Intent intent, boolean doRebind) { 13902 // Refuse possible leaked file descriptors 13903 if (intent != null && intent.hasFileDescriptors() == true) { 13904 throw new IllegalArgumentException("File descriptors passed in Intent"); 13905 } 13906 13907 synchronized(this) { 13908 mServices.unbindFinishedLocked((ServiceRecord)token, intent, doRebind); 13909 } 13910 } 13911 13912 public void serviceDoneExecuting(IBinder token, int type, int startId, int res) { 13913 synchronized(this) { 13914 if (!(token instanceof ServiceRecord)) { 13915 throw new IllegalArgumentException("Invalid service token"); 13916 } 13917 mServices.serviceDoneExecutingLocked((ServiceRecord)token, type, startId, res); 13918 } 13919 } 13920 13921 // ========================================================= 13922 // BACKUP AND RESTORE 13923 // ========================================================= 13924 13925 // Cause the target app to be launched if necessary and its backup agent 13926 // instantiated. The backup agent will invoke backupAgentCreated() on the 13927 // activity manager to announce its creation. 13928 public boolean bindBackupAgent(ApplicationInfo app, int backupMode) { 13929 if (DEBUG_BACKUP) Slog.v(TAG, "bindBackupAgent: app=" + app + " mode=" + backupMode); 13930 enforceCallingPermission("android.permission.CONFIRM_FULL_BACKUP", "bindBackupAgent"); 13931 13932 synchronized(this) { 13933 // !!! TODO: currently no check here that we're already bound 13934 BatteryStatsImpl.Uid.Pkg.Serv ss = null; 13935 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 13936 synchronized (stats) { 13937 ss = stats.getServiceStatsLocked(app.uid, app.packageName, app.name); 13938 } 13939 13940 // Backup agent is now in use, its package can't be stopped. 13941 try { 13942 AppGlobals.getPackageManager().setPackageStoppedState( 13943 app.packageName, false, UserHandle.getUserId(app.uid)); 13944 } catch (RemoteException e) { 13945 } catch (IllegalArgumentException e) { 13946 Slog.w(TAG, "Failed trying to unstop package " 13947 + app.packageName + ": " + e); 13948 } 13949 13950 BackupRecord r = new BackupRecord(ss, app, backupMode); 13951 ComponentName hostingName = (backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) 13952 ? new ComponentName(app.packageName, app.backupAgentName) 13953 : new ComponentName("android", "FullBackupAgent"); 13954 // startProcessLocked() returns existing proc's record if it's already running 13955 ProcessRecord proc = startProcessLocked(app.processName, app, 13956 false, 0, "backup", hostingName, false, false, false); 13957 if (proc == null) { 13958 Slog.e(TAG, "Unable to start backup agent process " + r); 13959 return false; 13960 } 13961 13962 r.app = proc; 13963 mBackupTarget = r; 13964 mBackupAppName = app.packageName; 13965 13966 // Try not to kill the process during backup 13967 updateOomAdjLocked(proc); 13968 13969 // If the process is already attached, schedule the creation of the backup agent now. 13970 // If it is not yet live, this will be done when it attaches to the framework. 13971 if (proc.thread != null) { 13972 if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc already running: " + proc); 13973 try { 13974 proc.thread.scheduleCreateBackupAgent(app, 13975 compatibilityInfoForPackageLocked(app), backupMode); 13976 } catch (RemoteException e) { 13977 // Will time out on the backup manager side 13978 } 13979 } else { 13980 if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc not running, waiting for attach"); 13981 } 13982 // Invariants: at this point, the target app process exists and the application 13983 // is either already running or in the process of coming up. mBackupTarget and 13984 // mBackupAppName describe the app, so that when it binds back to the AM we 13985 // know that it's scheduled for a backup-agent operation. 13986 } 13987 13988 return true; 13989 } 13990 13991 @Override 13992 public void clearPendingBackup() { 13993 if (DEBUG_BACKUP) Slog.v(TAG, "clearPendingBackup"); 13994 enforceCallingPermission("android.permission.BACKUP", "clearPendingBackup"); 13995 13996 synchronized (this) { 13997 mBackupTarget = null; 13998 mBackupAppName = null; 13999 } 14000 } 14001 14002 // A backup agent has just come up 14003 public void backupAgentCreated(String agentPackageName, IBinder agent) { 14004 if (DEBUG_BACKUP) Slog.v(TAG, "backupAgentCreated: " + agentPackageName 14005 + " = " + agent); 14006 14007 synchronized(this) { 14008 if (!agentPackageName.equals(mBackupAppName)) { 14009 Slog.e(TAG, "Backup agent created for " + agentPackageName + " but not requested!"); 14010 return; 14011 } 14012 } 14013 14014 long oldIdent = Binder.clearCallingIdentity(); 14015 try { 14016 IBackupManager bm = IBackupManager.Stub.asInterface( 14017 ServiceManager.getService(Context.BACKUP_SERVICE)); 14018 bm.agentConnected(agentPackageName, agent); 14019 } catch (RemoteException e) { 14020 // can't happen; the backup manager service is local 14021 } catch (Exception e) { 14022 Slog.w(TAG, "Exception trying to deliver BackupAgent binding: "); 14023 e.printStackTrace(); 14024 } finally { 14025 Binder.restoreCallingIdentity(oldIdent); 14026 } 14027 } 14028 14029 // done with this agent 14030 public void unbindBackupAgent(ApplicationInfo appInfo) { 14031 if (DEBUG_BACKUP) Slog.v(TAG, "unbindBackupAgent: " + appInfo); 14032 if (appInfo == null) { 14033 Slog.w(TAG, "unbind backup agent for null app"); 14034 return; 14035 } 14036 14037 synchronized(this) { 14038 try { 14039 if (mBackupAppName == null) { 14040 Slog.w(TAG, "Unbinding backup agent with no active backup"); 14041 return; 14042 } 14043 14044 if (!mBackupAppName.equals(appInfo.packageName)) { 14045 Slog.e(TAG, "Unbind of " + appInfo + " but is not the current backup target"); 14046 return; 14047 } 14048 14049 // Not backing this app up any more; reset its OOM adjustment 14050 final ProcessRecord proc = mBackupTarget.app; 14051 updateOomAdjLocked(proc); 14052 14053 // If the app crashed during backup, 'thread' will be null here 14054 if (proc.thread != null) { 14055 try { 14056 proc.thread.scheduleDestroyBackupAgent(appInfo, 14057 compatibilityInfoForPackageLocked(appInfo)); 14058 } catch (Exception e) { 14059 Slog.e(TAG, "Exception when unbinding backup agent:"); 14060 e.printStackTrace(); 14061 } 14062 } 14063 } finally { 14064 mBackupTarget = null; 14065 mBackupAppName = null; 14066 } 14067 } 14068 } 14069 // ========================================================= 14070 // BROADCASTS 14071 // ========================================================= 14072 14073 private final List getStickiesLocked(String action, IntentFilter filter, 14074 List cur, int userId) { 14075 final ContentResolver resolver = mContext.getContentResolver(); 14076 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 14077 if (stickies == null) { 14078 return cur; 14079 } 14080 final ArrayList<Intent> list = stickies.get(action); 14081 if (list == null) { 14082 return cur; 14083 } 14084 int N = list.size(); 14085 for (int i=0; i<N; i++) { 14086 Intent intent = list.get(i); 14087 if (filter.match(resolver, intent, true, TAG) >= 0) { 14088 if (cur == null) { 14089 cur = new ArrayList<Intent>(); 14090 } 14091 cur.add(intent); 14092 } 14093 } 14094 return cur; 14095 } 14096 14097 boolean isPendingBroadcastProcessLocked(int pid) { 14098 return mFgBroadcastQueue.isPendingBroadcastProcessLocked(pid) 14099 || mBgBroadcastQueue.isPendingBroadcastProcessLocked(pid); 14100 } 14101 14102 void skipPendingBroadcastLocked(int pid) { 14103 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); 14104 for (BroadcastQueue queue : mBroadcastQueues) { 14105 queue.skipPendingBroadcastLocked(pid); 14106 } 14107 } 14108 14109 // The app just attached; send any pending broadcasts that it should receive 14110 boolean sendPendingBroadcastsLocked(ProcessRecord app) { 14111 boolean didSomething = false; 14112 for (BroadcastQueue queue : mBroadcastQueues) { 14113 didSomething |= queue.sendPendingBroadcastsLocked(app); 14114 } 14115 return didSomething; 14116 } 14117 14118 public Intent registerReceiver(IApplicationThread caller, String callerPackage, 14119 IIntentReceiver receiver, IntentFilter filter, String permission, int userId) { 14120 enforceNotIsolatedCaller("registerReceiver"); 14121 int callingUid; 14122 int callingPid; 14123 synchronized(this) { 14124 ProcessRecord callerApp = null; 14125 if (caller != null) { 14126 callerApp = getRecordForAppLocked(caller); 14127 if (callerApp == null) { 14128 throw new SecurityException( 14129 "Unable to find app for caller " + caller 14130 + " (pid=" + Binder.getCallingPid() 14131 + ") when registering receiver " + receiver); 14132 } 14133 if (callerApp.info.uid != Process.SYSTEM_UID && 14134 !callerApp.pkgList.containsKey(callerPackage) && 14135 !"android".equals(callerPackage)) { 14136 throw new SecurityException("Given caller package " + callerPackage 14137 + " is not running in process " + callerApp); 14138 } 14139 callingUid = callerApp.info.uid; 14140 callingPid = callerApp.pid; 14141 } else { 14142 callerPackage = null; 14143 callingUid = Binder.getCallingUid(); 14144 callingPid = Binder.getCallingPid(); 14145 } 14146 14147 userId = this.handleIncomingUser(callingPid, callingUid, userId, 14148 true, ALLOW_FULL_ONLY, "registerReceiver", callerPackage); 14149 14150 List allSticky = null; 14151 14152 // Look for any matching sticky broadcasts... 14153 Iterator actions = filter.actionsIterator(); 14154 if (actions != null) { 14155 while (actions.hasNext()) { 14156 String action = (String)actions.next(); 14157 allSticky = getStickiesLocked(action, filter, allSticky, 14158 UserHandle.USER_ALL); 14159 allSticky = getStickiesLocked(action, filter, allSticky, 14160 UserHandle.getUserId(callingUid)); 14161 } 14162 } else { 14163 allSticky = getStickiesLocked(null, filter, allSticky, 14164 UserHandle.USER_ALL); 14165 allSticky = getStickiesLocked(null, filter, allSticky, 14166 UserHandle.getUserId(callingUid)); 14167 } 14168 14169 // The first sticky in the list is returned directly back to 14170 // the client. 14171 Intent sticky = allSticky != null ? (Intent)allSticky.get(0) : null; 14172 14173 if (DEBUG_BROADCAST) Slog.v(TAG, "Register receiver " + filter 14174 + ": " + sticky); 14175 14176 if (receiver == null) { 14177 return sticky; 14178 } 14179 14180 ReceiverList rl 14181 = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); 14182 if (rl == null) { 14183 rl = new ReceiverList(this, callerApp, callingPid, callingUid, 14184 userId, receiver); 14185 if (rl.app != null) { 14186 rl.app.receivers.add(rl); 14187 } else { 14188 try { 14189 receiver.asBinder().linkToDeath(rl, 0); 14190 } catch (RemoteException e) { 14191 return sticky; 14192 } 14193 rl.linkedToDeath = true; 14194 } 14195 mRegisteredReceivers.put(receiver.asBinder(), rl); 14196 } else if (rl.uid != callingUid) { 14197 throw new IllegalArgumentException( 14198 "Receiver requested to register for uid " + callingUid 14199 + " was previously registered for uid " + rl.uid); 14200 } else if (rl.pid != callingPid) { 14201 throw new IllegalArgumentException( 14202 "Receiver requested to register for pid " + callingPid 14203 + " was previously registered for pid " + rl.pid); 14204 } else if (rl.userId != userId) { 14205 throw new IllegalArgumentException( 14206 "Receiver requested to register for user " + userId 14207 + " was previously registered for user " + rl.userId); 14208 } 14209 BroadcastFilter bf = new BroadcastFilter(filter, rl, callerPackage, 14210 permission, callingUid, userId); 14211 rl.add(bf); 14212 if (!bf.debugCheck()) { 14213 Slog.w(TAG, "==> For Dynamic broadast"); 14214 } 14215 mReceiverResolver.addFilter(bf); 14216 14217 // Enqueue broadcasts for all existing stickies that match 14218 // this filter. 14219 if (allSticky != null) { 14220 ArrayList receivers = new ArrayList(); 14221 receivers.add(bf); 14222 14223 int N = allSticky.size(); 14224 for (int i=0; i<N; i++) { 14225 Intent intent = (Intent)allSticky.get(i); 14226 BroadcastQueue queue = broadcastQueueForIntent(intent); 14227 BroadcastRecord r = new BroadcastRecord(queue, intent, null, 14228 null, -1, -1, null, null, AppOpsManager.OP_NONE, receivers, null, 0, 14229 null, null, false, true, true, -1); 14230 queue.enqueueParallelBroadcastLocked(r); 14231 queue.scheduleBroadcastsLocked(); 14232 } 14233 } 14234 14235 return sticky; 14236 } 14237 } 14238 14239 public void unregisterReceiver(IIntentReceiver receiver) { 14240 if (DEBUG_BROADCAST) Slog.v(TAG, "Unregister receiver: " + receiver); 14241 14242 final long origId = Binder.clearCallingIdentity(); 14243 try { 14244 boolean doTrim = false; 14245 14246 synchronized(this) { 14247 ReceiverList rl = mRegisteredReceivers.get(receiver.asBinder()); 14248 if (rl != null) { 14249 if (rl.curBroadcast != null) { 14250 BroadcastRecord r = rl.curBroadcast; 14251 final boolean doNext = finishReceiverLocked( 14252 receiver.asBinder(), r.resultCode, r.resultData, 14253 r.resultExtras, r.resultAbort); 14254 if (doNext) { 14255 doTrim = true; 14256 r.queue.processNextBroadcast(false); 14257 } 14258 } 14259 14260 if (rl.app != null) { 14261 rl.app.receivers.remove(rl); 14262 } 14263 removeReceiverLocked(rl); 14264 if (rl.linkedToDeath) { 14265 rl.linkedToDeath = false; 14266 rl.receiver.asBinder().unlinkToDeath(rl, 0); 14267 } 14268 } 14269 } 14270 14271 // If we actually concluded any broadcasts, we might now be able 14272 // to trim the recipients' apps from our working set 14273 if (doTrim) { 14274 trimApplications(); 14275 return; 14276 } 14277 14278 } finally { 14279 Binder.restoreCallingIdentity(origId); 14280 } 14281 } 14282 14283 void removeReceiverLocked(ReceiverList rl) { 14284 mRegisteredReceivers.remove(rl.receiver.asBinder()); 14285 int N = rl.size(); 14286 for (int i=0; i<N; i++) { 14287 mReceiverResolver.removeFilter(rl.get(i)); 14288 } 14289 } 14290 14291 private final void sendPackageBroadcastLocked(int cmd, String[] packages, int userId) { 14292 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 14293 ProcessRecord r = mLruProcesses.get(i); 14294 if (r.thread != null && (userId == UserHandle.USER_ALL || r.userId == userId)) { 14295 try { 14296 r.thread.dispatchPackageBroadcast(cmd, packages); 14297 } catch (RemoteException ex) { 14298 } 14299 } 14300 } 14301 } 14302 14303 private List<ResolveInfo> collectReceiverComponents(Intent intent, String resolvedType, 14304 int[] users) { 14305 List<ResolveInfo> receivers = null; 14306 try { 14307 HashSet<ComponentName> singleUserReceivers = null; 14308 boolean scannedFirstReceivers = false; 14309 for (int user : users) { 14310 List<ResolveInfo> newReceivers = AppGlobals.getPackageManager() 14311 .queryIntentReceivers(intent, resolvedType, STOCK_PM_FLAGS, user); 14312 if (user != 0 && newReceivers != null) { 14313 // If this is not the primary user, we need to check for 14314 // any receivers that should be filtered out. 14315 for (int i=0; i<newReceivers.size(); i++) { 14316 ResolveInfo ri = newReceivers.get(i); 14317 if ((ri.activityInfo.flags&ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 14318 newReceivers.remove(i); 14319 i--; 14320 } 14321 } 14322 } 14323 if (newReceivers != null && newReceivers.size() == 0) { 14324 newReceivers = null; 14325 } 14326 if (receivers == null) { 14327 receivers = newReceivers; 14328 } else if (newReceivers != null) { 14329 // We need to concatenate the additional receivers 14330 // found with what we have do far. This would be easy, 14331 // but we also need to de-dup any receivers that are 14332 // singleUser. 14333 if (!scannedFirstReceivers) { 14334 // Collect any single user receivers we had already retrieved. 14335 scannedFirstReceivers = true; 14336 for (int i=0; i<receivers.size(); i++) { 14337 ResolveInfo ri = receivers.get(i); 14338 if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 14339 ComponentName cn = new ComponentName( 14340 ri.activityInfo.packageName, ri.activityInfo.name); 14341 if (singleUserReceivers == null) { 14342 singleUserReceivers = new HashSet<ComponentName>(); 14343 } 14344 singleUserReceivers.add(cn); 14345 } 14346 } 14347 } 14348 // Add the new results to the existing results, tracking 14349 // and de-dupping single user receivers. 14350 for (int i=0; i<newReceivers.size(); i++) { 14351 ResolveInfo ri = newReceivers.get(i); 14352 if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 14353 ComponentName cn = new ComponentName( 14354 ri.activityInfo.packageName, ri.activityInfo.name); 14355 if (singleUserReceivers == null) { 14356 singleUserReceivers = new HashSet<ComponentName>(); 14357 } 14358 if (!singleUserReceivers.contains(cn)) { 14359 singleUserReceivers.add(cn); 14360 receivers.add(ri); 14361 } 14362 } else { 14363 receivers.add(ri); 14364 } 14365 } 14366 } 14367 } 14368 } catch (RemoteException ex) { 14369 // pm is in same process, this will never happen. 14370 } 14371 return receivers; 14372 } 14373 14374 private final int broadcastIntentLocked(ProcessRecord callerApp, 14375 String callerPackage, Intent intent, String resolvedType, 14376 IIntentReceiver resultTo, int resultCode, String resultData, 14377 Bundle map, String requiredPermission, int appOp, 14378 boolean ordered, boolean sticky, int callingPid, int callingUid, 14379 int userId) { 14380 intent = new Intent(intent); 14381 14382 // By default broadcasts do not go to stopped apps. 14383 intent.addFlags(Intent.FLAG_EXCLUDE_STOPPED_PACKAGES); 14384 14385 if (DEBUG_BROADCAST_LIGHT) Slog.v( 14386 TAG, (sticky ? "Broadcast sticky: ": "Broadcast: ") + intent 14387 + " ordered=" + ordered + " userid=" + userId); 14388 if ((resultTo != null) && !ordered) { 14389 Slog.w(TAG, "Broadcast " + intent + " not ordered but result callback requested!"); 14390 } 14391 14392 userId = handleIncomingUser(callingPid, callingUid, userId, 14393 true, ALLOW_NON_FULL, "broadcast", callerPackage); 14394 14395 // Make sure that the user who is receiving this broadcast is started. 14396 // If not, we will just skip it. 14397 14398 14399 if (userId != UserHandle.USER_ALL && mStartedUsers.get(userId) == null) { 14400 if (callingUid != Process.SYSTEM_UID || (intent.getFlags() 14401 & Intent.FLAG_RECEIVER_BOOT_UPGRADE) == 0) { 14402 Slog.w(TAG, "Skipping broadcast of " + intent 14403 + ": user " + userId + " is stopped"); 14404 return ActivityManager.BROADCAST_SUCCESS; 14405 } 14406 } 14407 14408 /* 14409 * Prevent non-system code (defined here to be non-persistent 14410 * processes) from sending protected broadcasts. 14411 */ 14412 int callingAppId = UserHandle.getAppId(callingUid); 14413 if (callingAppId == Process.SYSTEM_UID || callingAppId == Process.PHONE_UID 14414 || callingAppId == Process.SHELL_UID || callingAppId == Process.BLUETOOTH_UID 14415 || callingAppId == Process.NFC_UID || callingUid == 0) { 14416 // Always okay. 14417 } else if (callerApp == null || !callerApp.persistent) { 14418 try { 14419 if (AppGlobals.getPackageManager().isProtectedBroadcast( 14420 intent.getAction())) { 14421 String msg = "Permission Denial: not allowed to send broadcast " 14422 + intent.getAction() + " from pid=" 14423 + callingPid + ", uid=" + callingUid; 14424 Slog.w(TAG, msg); 14425 throw new SecurityException(msg); 14426 } else if (AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(intent.getAction())) { 14427 // Special case for compatibility: we don't want apps to send this, 14428 // but historically it has not been protected and apps may be using it 14429 // to poke their own app widget. So, instead of making it protected, 14430 // just limit it to the caller. 14431 if (callerApp == null) { 14432 String msg = "Permission Denial: not allowed to send broadcast " 14433 + intent.getAction() + " from unknown caller."; 14434 Slog.w(TAG, msg); 14435 throw new SecurityException(msg); 14436 } else if (intent.getComponent() != null) { 14437 // They are good enough to send to an explicit component... verify 14438 // it is being sent to the calling app. 14439 if (!intent.getComponent().getPackageName().equals( 14440 callerApp.info.packageName)) { 14441 String msg = "Permission Denial: not allowed to send broadcast " 14442 + intent.getAction() + " to " 14443 + intent.getComponent().getPackageName() + " from " 14444 + callerApp.info.packageName; 14445 Slog.w(TAG, msg); 14446 throw new SecurityException(msg); 14447 } 14448 } else { 14449 // Limit broadcast to their own package. 14450 intent.setPackage(callerApp.info.packageName); 14451 } 14452 } 14453 } catch (RemoteException e) { 14454 Slog.w(TAG, "Remote exception", e); 14455 return ActivityManager.BROADCAST_SUCCESS; 14456 } 14457 } 14458 14459 // Handle special intents: if this broadcast is from the package 14460 // manager about a package being removed, we need to remove all of 14461 // its activities from the history stack. 14462 final boolean uidRemoved = Intent.ACTION_UID_REMOVED.equals( 14463 intent.getAction()); 14464 if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction()) 14465 || Intent.ACTION_PACKAGE_CHANGED.equals(intent.getAction()) 14466 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction()) 14467 || uidRemoved) { 14468 if (checkComponentPermission( 14469 android.Manifest.permission.BROADCAST_PACKAGE_REMOVED, 14470 callingPid, callingUid, -1, true) 14471 == PackageManager.PERMISSION_GRANTED) { 14472 if (uidRemoved) { 14473 final Bundle intentExtras = intent.getExtras(); 14474 final int uid = intentExtras != null 14475 ? intentExtras.getInt(Intent.EXTRA_UID) : -1; 14476 if (uid >= 0) { 14477 BatteryStatsImpl bs = mBatteryStatsService.getActiveStatistics(); 14478 synchronized (bs) { 14479 bs.removeUidStatsLocked(uid); 14480 } 14481 mAppOpsService.uidRemoved(uid); 14482 } 14483 } else { 14484 // If resources are unavailable just force stop all 14485 // those packages and flush the attribute cache as well. 14486 if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction())) { 14487 String list[] = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 14488 if (list != null && (list.length > 0)) { 14489 for (String pkg : list) { 14490 forceStopPackageLocked(pkg, -1, false, true, true, false, false, userId, 14491 "storage unmount"); 14492 } 14493 sendPackageBroadcastLocked( 14494 IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE, list, userId); 14495 } 14496 } else { 14497 Uri data = intent.getData(); 14498 String ssp; 14499 if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { 14500 boolean removed = Intent.ACTION_PACKAGE_REMOVED.equals( 14501 intent.getAction()); 14502 boolean fullUninstall = removed && 14503 !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 14504 if (!intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false)) { 14505 forceStopPackageLocked(ssp, UserHandle.getAppId( 14506 intent.getIntExtra(Intent.EXTRA_UID, -1)), false, true, true, 14507 false, fullUninstall, userId, 14508 removed ? "pkg removed" : "pkg changed"); 14509 } 14510 if (removed) { 14511 sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED, 14512 new String[] {ssp}, userId); 14513 if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 14514 mAppOpsService.packageRemoved( 14515 intent.getIntExtra(Intent.EXTRA_UID, -1), ssp); 14516 14517 // Remove all permissions granted from/to this package 14518 removeUriPermissionsForPackageLocked(ssp, userId, true); 14519 } 14520 } 14521 } 14522 } 14523 } 14524 } else { 14525 String msg = "Permission Denial: " + intent.getAction() 14526 + " broadcast from " + callerPackage + " (pid=" + callingPid 14527 + ", uid=" + callingUid + ")" 14528 + " requires " 14529 + android.Manifest.permission.BROADCAST_PACKAGE_REMOVED; 14530 Slog.w(TAG, msg); 14531 throw new SecurityException(msg); 14532 } 14533 14534 // Special case for adding a package: by default turn on compatibility 14535 // mode. 14536 } else if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction())) { 14537 Uri data = intent.getData(); 14538 String ssp; 14539 if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { 14540 mCompatModePackages.handlePackageAddedLocked(ssp, 14541 intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)); 14542 } 14543 } 14544 14545 /* 14546 * If this is the time zone changed action, queue up a message that will reset the timezone 14547 * of all currently running processes. This message will get queued up before the broadcast 14548 * happens. 14549 */ 14550 if (Intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) { 14551 mHandler.sendEmptyMessage(UPDATE_TIME_ZONE); 14552 } 14553 14554 /* 14555 * If the user set the time, let all running processes know. 14556 */ 14557 if (Intent.ACTION_TIME_CHANGED.equals(intent.getAction())) { 14558 final int is24Hour = intent.getBooleanExtra( 14559 Intent.EXTRA_TIME_PREF_24_HOUR_FORMAT, false) ? 1 : 0; 14560 mHandler.sendMessage(mHandler.obtainMessage(UPDATE_TIME, is24Hour, 0)); 14561 } 14562 14563 if (Intent.ACTION_CLEAR_DNS_CACHE.equals(intent.getAction())) { 14564 mHandler.sendEmptyMessage(CLEAR_DNS_CACHE_MSG); 14565 } 14566 14567 if (Proxy.PROXY_CHANGE_ACTION.equals(intent.getAction())) { 14568 ProxyInfo proxy = intent.getParcelableExtra(Proxy.EXTRA_PROXY_INFO); 14569 mHandler.sendMessage(mHandler.obtainMessage(UPDATE_HTTP_PROXY_MSG, proxy)); 14570 } 14571 14572 // Add to the sticky list if requested. 14573 if (sticky) { 14574 if (checkPermission(android.Manifest.permission.BROADCAST_STICKY, 14575 callingPid, callingUid) 14576 != PackageManager.PERMISSION_GRANTED) { 14577 String msg = "Permission Denial: broadcastIntent() requesting a sticky broadcast from pid=" 14578 + callingPid + ", uid=" + callingUid 14579 + " requires " + android.Manifest.permission.BROADCAST_STICKY; 14580 Slog.w(TAG, msg); 14581 throw new SecurityException(msg); 14582 } 14583 if (requiredPermission != null) { 14584 Slog.w(TAG, "Can't broadcast sticky intent " + intent 14585 + " and enforce permission " + requiredPermission); 14586 return ActivityManager.BROADCAST_STICKY_CANT_HAVE_PERMISSION; 14587 } 14588 if (intent.getComponent() != null) { 14589 throw new SecurityException( 14590 "Sticky broadcasts can't target a specific component"); 14591 } 14592 // We use userId directly here, since the "all" target is maintained 14593 // as a separate set of sticky broadcasts. 14594 if (userId != UserHandle.USER_ALL) { 14595 // But first, if this is not a broadcast to all users, then 14596 // make sure it doesn't conflict with an existing broadcast to 14597 // all users. 14598 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get( 14599 UserHandle.USER_ALL); 14600 if (stickies != null) { 14601 ArrayList<Intent> list = stickies.get(intent.getAction()); 14602 if (list != null) { 14603 int N = list.size(); 14604 int i; 14605 for (i=0; i<N; i++) { 14606 if (intent.filterEquals(list.get(i))) { 14607 throw new IllegalArgumentException( 14608 "Sticky broadcast " + intent + " for user " 14609 + userId + " conflicts with existing global broadcast"); 14610 } 14611 } 14612 } 14613 } 14614 } 14615 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 14616 if (stickies == null) { 14617 stickies = new ArrayMap<String, ArrayList<Intent>>(); 14618 mStickyBroadcasts.put(userId, stickies); 14619 } 14620 ArrayList<Intent> list = stickies.get(intent.getAction()); 14621 if (list == null) { 14622 list = new ArrayList<Intent>(); 14623 stickies.put(intent.getAction(), list); 14624 } 14625 int N = list.size(); 14626 int i; 14627 for (i=0; i<N; i++) { 14628 if (intent.filterEquals(list.get(i))) { 14629 // This sticky already exists, replace it. 14630 list.set(i, new Intent(intent)); 14631 break; 14632 } 14633 } 14634 if (i >= N) { 14635 list.add(new Intent(intent)); 14636 } 14637 } 14638 14639 int[] users; 14640 if (userId == UserHandle.USER_ALL) { 14641 // Caller wants broadcast to go to all started users. 14642 users = mStartedUserArray; 14643 } else { 14644 // Caller wants broadcast to go to one specific user. 14645 users = new int[] {userId}; 14646 } 14647 14648 // Figure out who all will receive this broadcast. 14649 List receivers = null; 14650 List<BroadcastFilter> registeredReceivers = null; 14651 // Need to resolve the intent to interested receivers... 14652 if ((intent.getFlags()&Intent.FLAG_RECEIVER_REGISTERED_ONLY) 14653 == 0) { 14654 receivers = collectReceiverComponents(intent, resolvedType, users); 14655 } 14656 if (intent.getComponent() == null) { 14657 registeredReceivers = mReceiverResolver.queryIntent(intent, 14658 resolvedType, false, userId); 14659 } 14660 14661 final boolean replacePending = 14662 (intent.getFlags()&Intent.FLAG_RECEIVER_REPLACE_PENDING) != 0; 14663 14664 if (DEBUG_BROADCAST) Slog.v(TAG, "Enqueing broadcast: " + intent.getAction() 14665 + " replacePending=" + replacePending); 14666 14667 int NR = registeredReceivers != null ? registeredReceivers.size() : 0; 14668 if (!ordered && NR > 0) { 14669 // If we are not serializing this broadcast, then send the 14670 // registered receivers separately so they don't wait for the 14671 // components to be launched. 14672 final BroadcastQueue queue = broadcastQueueForIntent(intent); 14673 BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, 14674 callerPackage, callingPid, callingUid, resolvedType, requiredPermission, 14675 appOp, registeredReceivers, resultTo, resultCode, resultData, map, 14676 ordered, sticky, false, userId); 14677 if (DEBUG_BROADCAST) Slog.v( 14678 TAG, "Enqueueing parallel broadcast " + r); 14679 final boolean replaced = replacePending && queue.replaceParallelBroadcastLocked(r); 14680 if (!replaced) { 14681 queue.enqueueParallelBroadcastLocked(r); 14682 queue.scheduleBroadcastsLocked(); 14683 } 14684 registeredReceivers = null; 14685 NR = 0; 14686 } 14687 14688 // Merge into one list. 14689 int ir = 0; 14690 if (receivers != null) { 14691 // A special case for PACKAGE_ADDED: do not allow the package 14692 // being added to see this broadcast. This prevents them from 14693 // using this as a back door to get run as soon as they are 14694 // installed. Maybe in the future we want to have a special install 14695 // broadcast or such for apps, but we'd like to deliberately make 14696 // this decision. 14697 String skipPackages[] = null; 14698 if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction()) 14699 || Intent.ACTION_PACKAGE_RESTARTED.equals(intent.getAction()) 14700 || Intent.ACTION_PACKAGE_DATA_CLEARED.equals(intent.getAction())) { 14701 Uri data = intent.getData(); 14702 if (data != null) { 14703 String pkgName = data.getSchemeSpecificPart(); 14704 if (pkgName != null) { 14705 skipPackages = new String[] { pkgName }; 14706 } 14707 } 14708 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(intent.getAction())) { 14709 skipPackages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 14710 } 14711 if (skipPackages != null && (skipPackages.length > 0)) { 14712 for (String skipPackage : skipPackages) { 14713 if (skipPackage != null) { 14714 int NT = receivers.size(); 14715 for (int it=0; it<NT; it++) { 14716 ResolveInfo curt = (ResolveInfo)receivers.get(it); 14717 if (curt.activityInfo.packageName.equals(skipPackage)) { 14718 receivers.remove(it); 14719 it--; 14720 NT--; 14721 } 14722 } 14723 } 14724 } 14725 } 14726 14727 int NT = receivers != null ? receivers.size() : 0; 14728 int it = 0; 14729 ResolveInfo curt = null; 14730 BroadcastFilter curr = null; 14731 while (it < NT && ir < NR) { 14732 if (curt == null) { 14733 curt = (ResolveInfo)receivers.get(it); 14734 } 14735 if (curr == null) { 14736 curr = registeredReceivers.get(ir); 14737 } 14738 if (curr.getPriority() >= curt.priority) { 14739 // Insert this broadcast record into the final list. 14740 receivers.add(it, curr); 14741 ir++; 14742 curr = null; 14743 it++; 14744 NT++; 14745 } else { 14746 // Skip to the next ResolveInfo in the final list. 14747 it++; 14748 curt = null; 14749 } 14750 } 14751 } 14752 while (ir < NR) { 14753 if (receivers == null) { 14754 receivers = new ArrayList(); 14755 } 14756 receivers.add(registeredReceivers.get(ir)); 14757 ir++; 14758 } 14759 14760 if ((receivers != null && receivers.size() > 0) 14761 || resultTo != null) { 14762 BroadcastQueue queue = broadcastQueueForIntent(intent); 14763 BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, 14764 callerPackage, callingPid, callingUid, resolvedType, 14765 requiredPermission, appOp, receivers, resultTo, resultCode, 14766 resultData, map, ordered, sticky, false, userId); 14767 if (DEBUG_BROADCAST) Slog.v( 14768 TAG, "Enqueueing ordered broadcast " + r 14769 + ": prev had " + queue.mOrderedBroadcasts.size()); 14770 if (DEBUG_BROADCAST) { 14771 int seq = r.intent.getIntExtra("seq", -1); 14772 Slog.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq); 14773 } 14774 boolean replaced = replacePending && queue.replaceOrderedBroadcastLocked(r); 14775 if (!replaced) { 14776 queue.enqueueOrderedBroadcastLocked(r); 14777 queue.scheduleBroadcastsLocked(); 14778 } 14779 } 14780 14781 return ActivityManager.BROADCAST_SUCCESS; 14782 } 14783 14784 final Intent verifyBroadcastLocked(Intent intent) { 14785 // Refuse possible leaked file descriptors 14786 if (intent != null && intent.hasFileDescriptors() == true) { 14787 throw new IllegalArgumentException("File descriptors passed in Intent"); 14788 } 14789 14790 int flags = intent.getFlags(); 14791 14792 if (!mProcessesReady) { 14793 // if the caller really truly claims to know what they're doing, go 14794 // ahead and allow the broadcast without launching any receivers 14795 if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT) != 0) { 14796 intent = new Intent(intent); 14797 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 14798 } else if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY) == 0) { 14799 Slog.e(TAG, "Attempt to launch receivers of broadcast intent " + intent 14800 + " before boot completion"); 14801 throw new IllegalStateException("Cannot broadcast before boot completed"); 14802 } 14803 } 14804 14805 if ((flags&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { 14806 throw new IllegalArgumentException( 14807 "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); 14808 } 14809 14810 return intent; 14811 } 14812 14813 public final int broadcastIntent(IApplicationThread caller, 14814 Intent intent, String resolvedType, IIntentReceiver resultTo, 14815 int resultCode, String resultData, Bundle map, 14816 String requiredPermission, int appOp, boolean serialized, boolean sticky, int userId) { 14817 enforceNotIsolatedCaller("broadcastIntent"); 14818 synchronized(this) { 14819 intent = verifyBroadcastLocked(intent); 14820 14821 final ProcessRecord callerApp = getRecordForAppLocked(caller); 14822 final int callingPid = Binder.getCallingPid(); 14823 final int callingUid = Binder.getCallingUid(); 14824 final long origId = Binder.clearCallingIdentity(); 14825 int res = broadcastIntentLocked(callerApp, 14826 callerApp != null ? callerApp.info.packageName : null, 14827 intent, resolvedType, resultTo, 14828 resultCode, resultData, map, requiredPermission, appOp, serialized, sticky, 14829 callingPid, callingUid, userId); 14830 Binder.restoreCallingIdentity(origId); 14831 return res; 14832 } 14833 } 14834 14835 int broadcastIntentInPackage(String packageName, int uid, 14836 Intent intent, String resolvedType, IIntentReceiver resultTo, 14837 int resultCode, String resultData, Bundle map, 14838 String requiredPermission, boolean serialized, boolean sticky, int userId) { 14839 synchronized(this) { 14840 intent = verifyBroadcastLocked(intent); 14841 14842 final long origId = Binder.clearCallingIdentity(); 14843 int res = broadcastIntentLocked(null, packageName, intent, resolvedType, 14844 resultTo, resultCode, resultData, map, requiredPermission, 14845 AppOpsManager.OP_NONE, serialized, sticky, -1, uid, userId); 14846 Binder.restoreCallingIdentity(origId); 14847 return res; 14848 } 14849 } 14850 14851 public final void unbroadcastIntent(IApplicationThread caller, Intent intent, int userId) { 14852 // Refuse possible leaked file descriptors 14853 if (intent != null && intent.hasFileDescriptors() == true) { 14854 throw new IllegalArgumentException("File descriptors passed in Intent"); 14855 } 14856 14857 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 14858 userId, true, ALLOW_NON_FULL, "removeStickyBroadcast", null); 14859 14860 synchronized(this) { 14861 if (checkCallingPermission(android.Manifest.permission.BROADCAST_STICKY) 14862 != PackageManager.PERMISSION_GRANTED) { 14863 String msg = "Permission Denial: unbroadcastIntent() from pid=" 14864 + Binder.getCallingPid() 14865 + ", uid=" + Binder.getCallingUid() 14866 + " requires " + android.Manifest.permission.BROADCAST_STICKY; 14867 Slog.w(TAG, msg); 14868 throw new SecurityException(msg); 14869 } 14870 ArrayMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); 14871 if (stickies != null) { 14872 ArrayList<Intent> list = stickies.get(intent.getAction()); 14873 if (list != null) { 14874 int N = list.size(); 14875 int i; 14876 for (i=0; i<N; i++) { 14877 if (intent.filterEquals(list.get(i))) { 14878 list.remove(i); 14879 break; 14880 } 14881 } 14882 if (list.size() <= 0) { 14883 stickies.remove(intent.getAction()); 14884 } 14885 } 14886 if (stickies.size() <= 0) { 14887 mStickyBroadcasts.remove(userId); 14888 } 14889 } 14890 } 14891 } 14892 14893 private final boolean finishReceiverLocked(IBinder receiver, int resultCode, 14894 String resultData, Bundle resultExtras, boolean resultAbort) { 14895 final BroadcastRecord r = broadcastRecordForReceiverLocked(receiver); 14896 if (r == null) { 14897 Slog.w(TAG, "finishReceiver called but not found on queue"); 14898 return false; 14899 } 14900 14901 return r.queue.finishReceiverLocked(r, resultCode, resultData, resultExtras, resultAbort, false); 14902 } 14903 14904 void backgroundServicesFinishedLocked(int userId) { 14905 for (BroadcastQueue queue : mBroadcastQueues) { 14906 queue.backgroundServicesFinishedLocked(userId); 14907 } 14908 } 14909 14910 public void finishReceiver(IBinder who, int resultCode, String resultData, 14911 Bundle resultExtras, boolean resultAbort) { 14912 if (DEBUG_BROADCAST) Slog.v(TAG, "Finish receiver: " + who); 14913 14914 // Refuse possible leaked file descriptors 14915 if (resultExtras != null && resultExtras.hasFileDescriptors()) { 14916 throw new IllegalArgumentException("File descriptors passed in Bundle"); 14917 } 14918 14919 final long origId = Binder.clearCallingIdentity(); 14920 try { 14921 boolean doNext = false; 14922 BroadcastRecord r; 14923 14924 synchronized(this) { 14925 r = broadcastRecordForReceiverLocked(who); 14926 if (r != null) { 14927 doNext = r.queue.finishReceiverLocked(r, resultCode, 14928 resultData, resultExtras, resultAbort, true); 14929 } 14930 } 14931 14932 if (doNext) { 14933 r.queue.processNextBroadcast(false); 14934 } 14935 trimApplications(); 14936 } finally { 14937 Binder.restoreCallingIdentity(origId); 14938 } 14939 } 14940 14941 // ========================================================= 14942 // INSTRUMENTATION 14943 // ========================================================= 14944 14945 public boolean startInstrumentation(ComponentName className, 14946 String profileFile, int flags, Bundle arguments, 14947 IInstrumentationWatcher watcher, IUiAutomationConnection uiAutomationConnection, 14948 int userId, String abiOverride) { 14949 enforceNotIsolatedCaller("startInstrumentation"); 14950 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 14951 userId, false, ALLOW_FULL_ONLY, "startInstrumentation", null); 14952 // Refuse possible leaked file descriptors 14953 if (arguments != null && arguments.hasFileDescriptors()) { 14954 throw new IllegalArgumentException("File descriptors passed in Bundle"); 14955 } 14956 14957 synchronized(this) { 14958 InstrumentationInfo ii = null; 14959 ApplicationInfo ai = null; 14960 try { 14961 ii = mContext.getPackageManager().getInstrumentationInfo( 14962 className, STOCK_PM_FLAGS); 14963 ai = AppGlobals.getPackageManager().getApplicationInfo( 14964 ii.targetPackage, STOCK_PM_FLAGS, userId); 14965 } catch (PackageManager.NameNotFoundException e) { 14966 } catch (RemoteException e) { 14967 } 14968 if (ii == null) { 14969 reportStartInstrumentationFailure(watcher, className, 14970 "Unable to find instrumentation info for: " + className); 14971 return false; 14972 } 14973 if (ai == null) { 14974 reportStartInstrumentationFailure(watcher, className, 14975 "Unable to find instrumentation target package: " + ii.targetPackage); 14976 return false; 14977 } 14978 14979 int match = mContext.getPackageManager().checkSignatures( 14980 ii.targetPackage, ii.packageName); 14981 if (match < 0 && match != PackageManager.SIGNATURE_FIRST_NOT_SIGNED) { 14982 String msg = "Permission Denial: starting instrumentation " 14983 + className + " from pid=" 14984 + Binder.getCallingPid() 14985 + ", uid=" + Binder.getCallingPid() 14986 + " not allowed because package " + ii.packageName 14987 + " does not have a signature matching the target " 14988 + ii.targetPackage; 14989 reportStartInstrumentationFailure(watcher, className, msg); 14990 throw new SecurityException(msg); 14991 } 14992 14993 final long origId = Binder.clearCallingIdentity(); 14994 // Instrumentation can kill and relaunch even persistent processes 14995 forceStopPackageLocked(ii.targetPackage, -1, true, false, true, true, false, userId, 14996 "start instr"); 14997 ProcessRecord app = addAppLocked(ai, false, abiOverride); 14998 app.instrumentationClass = className; 14999 app.instrumentationInfo = ai; 15000 app.instrumentationProfileFile = profileFile; 15001 app.instrumentationArguments = arguments; 15002 app.instrumentationWatcher = watcher; 15003 app.instrumentationUiAutomationConnection = uiAutomationConnection; 15004 app.instrumentationResultClass = className; 15005 Binder.restoreCallingIdentity(origId); 15006 } 15007 15008 return true; 15009 } 15010 15011 /** 15012 * Report errors that occur while attempting to start Instrumentation. Always writes the 15013 * error to the logs, but if somebody is watching, send the report there too. This enables 15014 * the "am" command to report errors with more information. 15015 * 15016 * @param watcher The IInstrumentationWatcher. Null if there isn't one. 15017 * @param cn The component name of the instrumentation. 15018 * @param report The error report. 15019 */ 15020 private void reportStartInstrumentationFailure(IInstrumentationWatcher watcher, 15021 ComponentName cn, String report) { 15022 Slog.w(TAG, report); 15023 try { 15024 if (watcher != null) { 15025 Bundle results = new Bundle(); 15026 results.putString(Instrumentation.REPORT_KEY_IDENTIFIER, "ActivityManagerService"); 15027 results.putString("Error", report); 15028 watcher.instrumentationStatus(cn, -1, results); 15029 } 15030 } catch (RemoteException e) { 15031 Slog.w(TAG, e); 15032 } 15033 } 15034 15035 void finishInstrumentationLocked(ProcessRecord app, int resultCode, Bundle results) { 15036 if (app.instrumentationWatcher != null) { 15037 try { 15038 // NOTE: IInstrumentationWatcher *must* be oneway here 15039 app.instrumentationWatcher.instrumentationFinished( 15040 app.instrumentationClass, 15041 resultCode, 15042 results); 15043 } catch (RemoteException e) { 15044 } 15045 } 15046 if (app.instrumentationUiAutomationConnection != null) { 15047 try { 15048 app.instrumentationUiAutomationConnection.shutdown(); 15049 } catch (RemoteException re) { 15050 /* ignore */ 15051 } 15052 // Only a UiAutomation can set this flag and now that 15053 // it is finished we make sure it is reset to its default. 15054 mUserIsMonkey = false; 15055 } 15056 app.instrumentationWatcher = null; 15057 app.instrumentationUiAutomationConnection = null; 15058 app.instrumentationClass = null; 15059 app.instrumentationInfo = null; 15060 app.instrumentationProfileFile = null; 15061 app.instrumentationArguments = null; 15062 15063 forceStopPackageLocked(app.info.packageName, -1, false, false, true, true, false, app.userId, 15064 "finished inst"); 15065 } 15066 15067 public void finishInstrumentation(IApplicationThread target, 15068 int resultCode, Bundle results) { 15069 int userId = UserHandle.getCallingUserId(); 15070 // Refuse possible leaked file descriptors 15071 if (results != null && results.hasFileDescriptors()) { 15072 throw new IllegalArgumentException("File descriptors passed in Intent"); 15073 } 15074 15075 synchronized(this) { 15076 ProcessRecord app = getRecordForAppLocked(target); 15077 if (app == null) { 15078 Slog.w(TAG, "finishInstrumentation: no app for " + target); 15079 return; 15080 } 15081 final long origId = Binder.clearCallingIdentity(); 15082 finishInstrumentationLocked(app, resultCode, results); 15083 Binder.restoreCallingIdentity(origId); 15084 } 15085 } 15086 15087 // ========================================================= 15088 // CONFIGURATION 15089 // ========================================================= 15090 15091 public ConfigurationInfo getDeviceConfigurationInfo() { 15092 ConfigurationInfo config = new ConfigurationInfo(); 15093 synchronized (this) { 15094 config.reqTouchScreen = mConfiguration.touchscreen; 15095 config.reqKeyboardType = mConfiguration.keyboard; 15096 config.reqNavigation = mConfiguration.navigation; 15097 if (mConfiguration.navigation == Configuration.NAVIGATION_DPAD 15098 || mConfiguration.navigation == Configuration.NAVIGATION_TRACKBALL) { 15099 config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV; 15100 } 15101 if (mConfiguration.keyboard != Configuration.KEYBOARD_UNDEFINED 15102 && mConfiguration.keyboard != Configuration.KEYBOARD_NOKEYS) { 15103 config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD; 15104 } 15105 config.reqGlEsVersion = GL_ES_VERSION; 15106 } 15107 return config; 15108 } 15109 15110 ActivityStack getFocusedStack() { 15111 return mStackSupervisor.getFocusedStack(); 15112 } 15113 15114 public Configuration getConfiguration() { 15115 Configuration ci; 15116 synchronized(this) { 15117 ci = new Configuration(mConfiguration); 15118 } 15119 return ci; 15120 } 15121 15122 public void updatePersistentConfiguration(Configuration values) { 15123 enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 15124 "updateConfiguration()"); 15125 enforceCallingPermission(android.Manifest.permission.WRITE_SETTINGS, 15126 "updateConfiguration()"); 15127 if (values == null) { 15128 throw new NullPointerException("Configuration must not be null"); 15129 } 15130 15131 synchronized(this) { 15132 final long origId = Binder.clearCallingIdentity(); 15133 updateConfigurationLocked(values, null, true, false); 15134 Binder.restoreCallingIdentity(origId); 15135 } 15136 } 15137 15138 public void updateConfiguration(Configuration values) { 15139 enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 15140 "updateConfiguration()"); 15141 15142 synchronized(this) { 15143 if (values == null && mWindowManager != null) { 15144 // sentinel: fetch the current configuration from the window manager 15145 values = mWindowManager.computeNewConfiguration(); 15146 } 15147 15148 if (mWindowManager != null) { 15149 mProcessList.applyDisplaySize(mWindowManager); 15150 } 15151 15152 final long origId = Binder.clearCallingIdentity(); 15153 if (values != null) { 15154 Settings.System.clearConfiguration(values); 15155 } 15156 updateConfigurationLocked(values, null, false, false); 15157 Binder.restoreCallingIdentity(origId); 15158 } 15159 } 15160 15161 /** 15162 * Do either or both things: (1) change the current configuration, and (2) 15163 * make sure the given activity is running with the (now) current 15164 * configuration. Returns true if the activity has been left running, or 15165 * false if <var>starting</var> is being destroyed to match the new 15166 * configuration. 15167 * @param persistent TODO 15168 */ 15169 boolean updateConfigurationLocked(Configuration values, 15170 ActivityRecord starting, boolean persistent, boolean initLocale) { 15171 int changes = 0; 15172 15173 if (values != null) { 15174 Configuration newConfig = new Configuration(mConfiguration); 15175 changes = newConfig.updateFrom(values); 15176 if (changes != 0) { 15177 if (DEBUG_SWITCH || DEBUG_CONFIGURATION) { 15178 Slog.i(TAG, "Updating configuration to: " + values); 15179 } 15180 15181 EventLog.writeEvent(EventLogTags.CONFIGURATION_CHANGED, changes); 15182 15183 if (values.locale != null && !initLocale) { 15184 saveLocaleLocked(values.locale, 15185 !values.locale.equals(mConfiguration.locale), 15186 values.userSetLocale); 15187 } 15188 15189 mConfigurationSeq++; 15190 if (mConfigurationSeq <= 0) { 15191 mConfigurationSeq = 1; 15192 } 15193 newConfig.seq = mConfigurationSeq; 15194 mConfiguration = newConfig; 15195 Slog.i(TAG, "Config changes=" + Integer.toHexString(changes) + " " + newConfig); 15196 //mUsageStatsService.noteStartConfig(newConfig); 15197 15198 final Configuration configCopy = new Configuration(mConfiguration); 15199 15200 // TODO: If our config changes, should we auto dismiss any currently 15201 // showing dialogs? 15202 mShowDialogs = shouldShowDialogs(newConfig); 15203 15204 AttributeCache ac = AttributeCache.instance(); 15205 if (ac != null) { 15206 ac.updateConfiguration(configCopy); 15207 } 15208 15209 // Make sure all resources in our process are updated 15210 // right now, so that anyone who is going to retrieve 15211 // resource values after we return will be sure to get 15212 // the new ones. This is especially important during 15213 // boot, where the first config change needs to guarantee 15214 // all resources have that config before following boot 15215 // code is executed. 15216 mSystemThread.applyConfigurationToResources(configCopy); 15217 15218 if (persistent && Settings.System.hasInterestingConfigurationChanges(changes)) { 15219 Message msg = mHandler.obtainMessage(UPDATE_CONFIGURATION_MSG); 15220 msg.obj = new Configuration(configCopy); 15221 mHandler.sendMessage(msg); 15222 } 15223 15224 for (int i=mLruProcesses.size()-1; i>=0; i--) { 15225 ProcessRecord app = mLruProcesses.get(i); 15226 try { 15227 if (app.thread != null) { 15228 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Sending to proc " 15229 + app.processName + " new config " + mConfiguration); 15230 app.thread.scheduleConfigurationChanged(configCopy); 15231 } 15232 } catch (Exception e) { 15233 } 15234 } 15235 Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); 15236 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 15237 | Intent.FLAG_RECEIVER_REPLACE_PENDING 15238 | Intent.FLAG_RECEIVER_FOREGROUND); 15239 broadcastIntentLocked(null, null, intent, null, null, 0, null, null, 15240 null, AppOpsManager.OP_NONE, false, false, MY_PID, 15241 Process.SYSTEM_UID, UserHandle.USER_ALL); 15242 if ((changes&ActivityInfo.CONFIG_LOCALE) != 0) { 15243 intent = new Intent(Intent.ACTION_LOCALE_CHANGED); 15244 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 15245 broadcastIntentLocked(null, null, intent, 15246 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 15247 false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 15248 } 15249 } 15250 } 15251 15252 boolean kept = true; 15253 final ActivityStack mainStack = mStackSupervisor.getFocusedStack(); 15254 // mainStack is null during startup. 15255 if (mainStack != null) { 15256 if (changes != 0 && starting == null) { 15257 // If the configuration changed, and the caller is not already 15258 // in the process of starting an activity, then find the top 15259 // activity to check if its configuration needs to change. 15260 starting = mainStack.topRunningActivityLocked(null); 15261 } 15262 15263 if (starting != null) { 15264 kept = mainStack.ensureActivityConfigurationLocked(starting, changes); 15265 // And we need to make sure at this point that all other activities 15266 // are made visible with the correct configuration. 15267 mStackSupervisor.ensureActivitiesVisibleLocked(starting, changes); 15268 } 15269 } 15270 15271 if (values != null && mWindowManager != null) { 15272 mWindowManager.setNewConfiguration(mConfiguration); 15273 } 15274 15275 return kept; 15276 } 15277 15278 /** 15279 * Decide based on the configuration whether we should shouw the ANR, 15280 * crash, etc dialogs. The idea is that if there is no affordnace to 15281 * press the on-screen buttons, we shouldn't show the dialog. 15282 * 15283 * A thought: SystemUI might also want to get told about this, the Power 15284 * dialog / global actions also might want different behaviors. 15285 */ 15286 private static final boolean shouldShowDialogs(Configuration config) { 15287 return !(config.keyboard == Configuration.KEYBOARD_NOKEYS 15288 && config.touchscreen == Configuration.TOUCHSCREEN_NOTOUCH); 15289 } 15290 15291 /** 15292 * Save the locale. You must be inside a synchronized (this) block. 15293 */ 15294 private void saveLocaleLocked(Locale l, boolean isDiff, boolean isPersist) { 15295 if(isDiff) { 15296 SystemProperties.set("user.language", l.getLanguage()); 15297 SystemProperties.set("user.region", l.getCountry()); 15298 } 15299 15300 if(isPersist) { 15301 SystemProperties.set("persist.sys.language", l.getLanguage()); 15302 SystemProperties.set("persist.sys.country", l.getCountry()); 15303 SystemProperties.set("persist.sys.localevar", l.getVariant()); 15304 } 15305 } 15306 15307 @Override 15308 public boolean targetTaskAffinityMatchesActivity(IBinder token, String destAffinity) { 15309 ActivityRecord srec = ActivityRecord.forToken(token); 15310 return srec != null && srec.task.affinity != null && 15311 srec.task.affinity.equals(destAffinity); 15312 } 15313 15314 public boolean navigateUpTo(IBinder token, Intent destIntent, int resultCode, 15315 Intent resultData) { 15316 15317 synchronized (this) { 15318 final ActivityStack stack = ActivityRecord.getStackLocked(token); 15319 if (stack != null) { 15320 return stack.navigateUpToLocked(token, destIntent, resultCode, resultData); 15321 } 15322 return false; 15323 } 15324 } 15325 15326 public int getLaunchedFromUid(IBinder activityToken) { 15327 ActivityRecord srec = ActivityRecord.forToken(activityToken); 15328 if (srec == null) { 15329 return -1; 15330 } 15331 return srec.launchedFromUid; 15332 } 15333 15334 public String getLaunchedFromPackage(IBinder activityToken) { 15335 ActivityRecord srec = ActivityRecord.forToken(activityToken); 15336 if (srec == null) { 15337 return null; 15338 } 15339 return srec.launchedFromPackage; 15340 } 15341 15342 // ========================================================= 15343 // LIFETIME MANAGEMENT 15344 // ========================================================= 15345 15346 // Returns which broadcast queue the app is the current [or imminent] receiver 15347 // on, or 'null' if the app is not an active broadcast recipient. 15348 private BroadcastQueue isReceivingBroadcast(ProcessRecord app) { 15349 BroadcastRecord r = app.curReceiver; 15350 if (r != null) { 15351 return r.queue; 15352 } 15353 15354 // It's not the current receiver, but it might be starting up to become one 15355 synchronized (this) { 15356 for (BroadcastQueue queue : mBroadcastQueues) { 15357 r = queue.mPendingBroadcast; 15358 if (r != null && r.curApp == app) { 15359 // found it; report which queue it's in 15360 return queue; 15361 } 15362 } 15363 } 15364 15365 return null; 15366 } 15367 15368 private final int computeOomAdjLocked(ProcessRecord app, int cachedAdj, ProcessRecord TOP_APP, 15369 boolean doingAll, long now) { 15370 if (mAdjSeq == app.adjSeq) { 15371 // This adjustment has already been computed. 15372 return app.curRawAdj; 15373 } 15374 15375 if (app.thread == null) { 15376 app.adjSeq = mAdjSeq; 15377 app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 15378 app.curProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 15379 return (app.curAdj=app.curRawAdj=ProcessList.CACHED_APP_MAX_ADJ); 15380 } 15381 15382 app.adjTypeCode = ActivityManager.RunningAppProcessInfo.REASON_UNKNOWN; 15383 app.adjSource = null; 15384 app.adjTarget = null; 15385 app.empty = false; 15386 app.cached = false; 15387 15388 final int activitiesSize = app.activities.size(); 15389 15390 if (app.maxAdj <= ProcessList.FOREGROUND_APP_ADJ) { 15391 // The max adjustment doesn't allow this app to be anything 15392 // below foreground, so it is not worth doing work for it. 15393 app.adjType = "fixed"; 15394 app.adjSeq = mAdjSeq; 15395 app.curRawAdj = app.maxAdj; 15396 app.foregroundActivities = false; 15397 app.curSchedGroup = Process.THREAD_GROUP_DEFAULT; 15398 app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT; 15399 // System processes can do UI, and when they do we want to have 15400 // them trim their memory after the user leaves the UI. To 15401 // facilitate this, here we need to determine whether or not it 15402 // is currently showing UI. 15403 app.systemNoUi = true; 15404 if (app == TOP_APP) { 15405 app.systemNoUi = false; 15406 } else if (activitiesSize > 0) { 15407 for (int j = 0; j < activitiesSize; j++) { 15408 final ActivityRecord r = app.activities.get(j); 15409 if (r.visible) { 15410 app.systemNoUi = false; 15411 } 15412 } 15413 } 15414 if (!app.systemNoUi) { 15415 app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT_UI; 15416 } 15417 return (app.curAdj=app.maxAdj); 15418 } 15419 15420 app.systemNoUi = false; 15421 15422 // Determine the importance of the process, starting with most 15423 // important to least, and assign an appropriate OOM adjustment. 15424 int adj; 15425 int schedGroup; 15426 int procState; 15427 boolean foregroundActivities = false; 15428 BroadcastQueue queue; 15429 if (app == TOP_APP) { 15430 // The last app on the list is the foreground app. 15431 adj = ProcessList.FOREGROUND_APP_ADJ; 15432 schedGroup = Process.THREAD_GROUP_DEFAULT; 15433 app.adjType = "top-activity"; 15434 foregroundActivities = true; 15435 procState = ActivityManager.PROCESS_STATE_TOP; 15436 } else if (app.instrumentationClass != null) { 15437 // Don't want to kill running instrumentation. 15438 adj = ProcessList.FOREGROUND_APP_ADJ; 15439 schedGroup = Process.THREAD_GROUP_DEFAULT; 15440 app.adjType = "instrumentation"; 15441 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15442 } else if ((queue = isReceivingBroadcast(app)) != null) { 15443 // An app that is currently receiving a broadcast also 15444 // counts as being in the foreground for OOM killer purposes. 15445 // It's placed in a sched group based on the nature of the 15446 // broadcast as reflected by which queue it's active in. 15447 adj = ProcessList.FOREGROUND_APP_ADJ; 15448 schedGroup = (queue == mFgBroadcastQueue) 15449 ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; 15450 app.adjType = "broadcast"; 15451 procState = ActivityManager.PROCESS_STATE_RECEIVER; 15452 } else if (app.executingServices.size() > 0) { 15453 // An app that is currently executing a service callback also 15454 // counts as being in the foreground. 15455 adj = ProcessList.FOREGROUND_APP_ADJ; 15456 schedGroup = app.execServicesFg ? 15457 Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; 15458 app.adjType = "exec-service"; 15459 procState = ActivityManager.PROCESS_STATE_SERVICE; 15460 //Slog.i(TAG, "EXEC " + (app.execServicesFg ? "FG" : "BG") + ": " + app); 15461 } else { 15462 // As far as we know the process is empty. We may change our mind later. 15463 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 15464 // At this point we don't actually know the adjustment. Use the cached adj 15465 // value that the caller wants us to. 15466 adj = cachedAdj; 15467 procState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 15468 app.cached = true; 15469 app.empty = true; 15470 app.adjType = "cch-empty"; 15471 } 15472 15473 // Examine all activities if not already foreground. 15474 if (!foregroundActivities && activitiesSize > 0) { 15475 for (int j = 0; j < activitiesSize; j++) { 15476 final ActivityRecord r = app.activities.get(j); 15477 if (r.app != app) { 15478 Slog.w(TAG, "Wtf, activity " + r + " in proc activity list not using proc " 15479 + app + "?!?"); 15480 continue; 15481 } 15482 if (r.visible) { 15483 // App has a visible activity; only upgrade adjustment. 15484 if (adj > ProcessList.VISIBLE_APP_ADJ) { 15485 adj = ProcessList.VISIBLE_APP_ADJ; 15486 app.adjType = "visible"; 15487 } 15488 if (procState > ActivityManager.PROCESS_STATE_TOP) { 15489 procState = ActivityManager.PROCESS_STATE_TOP; 15490 } 15491 schedGroup = Process.THREAD_GROUP_DEFAULT; 15492 app.cached = false; 15493 app.empty = false; 15494 foregroundActivities = true; 15495 break; 15496 } else if (r.state == ActivityState.PAUSING || r.state == ActivityState.PAUSED) { 15497 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 15498 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 15499 app.adjType = "pausing"; 15500 } 15501 if (procState > ActivityManager.PROCESS_STATE_TOP) { 15502 procState = ActivityManager.PROCESS_STATE_TOP; 15503 } 15504 schedGroup = Process.THREAD_GROUP_DEFAULT; 15505 app.cached = false; 15506 app.empty = false; 15507 foregroundActivities = true; 15508 } else if (r.state == ActivityState.STOPPING) { 15509 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 15510 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 15511 app.adjType = "stopping"; 15512 } 15513 // For the process state, we will at this point consider the 15514 // process to be cached. It will be cached either as an activity 15515 // or empty depending on whether the activity is finishing. We do 15516 // this so that we can treat the process as cached for purposes of 15517 // memory trimming (determing current memory level, trim command to 15518 // send to process) since there can be an arbitrary number of stopping 15519 // processes and they should soon all go into the cached state. 15520 if (!r.finishing) { 15521 if (procState > ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 15522 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 15523 } 15524 } 15525 app.cached = false; 15526 app.empty = false; 15527 foregroundActivities = true; 15528 } else { 15529 if (procState > ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 15530 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 15531 app.adjType = "cch-act"; 15532 } 15533 } 15534 } 15535 } 15536 15537 if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 15538 if (app.foregroundServices) { 15539 // The user is aware of this app, so make it visible. 15540 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 15541 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15542 app.cached = false; 15543 app.adjType = "fg-service"; 15544 schedGroup = Process.THREAD_GROUP_DEFAULT; 15545 } else if (app.forcingToForeground != null) { 15546 // The user is aware of this app, so make it visible. 15547 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 15548 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15549 app.cached = false; 15550 app.adjType = "force-fg"; 15551 app.adjSource = app.forcingToForeground; 15552 schedGroup = Process.THREAD_GROUP_DEFAULT; 15553 } 15554 } 15555 15556 if (app == mHeavyWeightProcess) { 15557 if (adj > ProcessList.HEAVY_WEIGHT_APP_ADJ) { 15558 // We don't want to kill the current heavy-weight process. 15559 adj = ProcessList.HEAVY_WEIGHT_APP_ADJ; 15560 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 15561 app.cached = false; 15562 app.adjType = "heavy"; 15563 } 15564 if (procState > ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) { 15565 procState = ActivityManager.PROCESS_STATE_HEAVY_WEIGHT; 15566 } 15567 } 15568 15569 if (app == mHomeProcess) { 15570 if (adj > ProcessList.HOME_APP_ADJ) { 15571 // This process is hosting what we currently consider to be the 15572 // home app, so we don't want to let it go into the background. 15573 adj = ProcessList.HOME_APP_ADJ; 15574 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 15575 app.cached = false; 15576 app.adjType = "home"; 15577 } 15578 if (procState > ActivityManager.PROCESS_STATE_HOME) { 15579 procState = ActivityManager.PROCESS_STATE_HOME; 15580 } 15581 } 15582 15583 if (app == mPreviousProcess && app.activities.size() > 0) { 15584 if (adj > ProcessList.PREVIOUS_APP_ADJ) { 15585 // This was the previous process that showed UI to the user. 15586 // We want to try to keep it around more aggressively, to give 15587 // a good experience around switching between two apps. 15588 adj = ProcessList.PREVIOUS_APP_ADJ; 15589 schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; 15590 app.cached = false; 15591 app.adjType = "previous"; 15592 } 15593 if (procState > ActivityManager.PROCESS_STATE_LAST_ACTIVITY) { 15594 procState = ActivityManager.PROCESS_STATE_LAST_ACTIVITY; 15595 } 15596 } 15597 15598 if (false) Slog.i(TAG, "OOM " + app + ": initial adj=" + adj 15599 + " reason=" + app.adjType); 15600 15601 // By default, we use the computed adjustment. It may be changed if 15602 // there are applications dependent on our services or providers, but 15603 // this gives us a baseline and makes sure we don't get into an 15604 // infinite recursion. 15605 app.adjSeq = mAdjSeq; 15606 app.curRawAdj = adj; 15607 app.hasStartedServices = false; 15608 15609 if (mBackupTarget != null && app == mBackupTarget.app) { 15610 // If possible we want to avoid killing apps while they're being backed up 15611 if (adj > ProcessList.BACKUP_APP_ADJ) { 15612 if (DEBUG_BACKUP) Slog.v(TAG, "oom BACKUP_APP_ADJ for " + app); 15613 adj = ProcessList.BACKUP_APP_ADJ; 15614 if (procState > ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND) { 15615 procState = ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND; 15616 } 15617 app.adjType = "backup"; 15618 app.cached = false; 15619 } 15620 if (procState > ActivityManager.PROCESS_STATE_BACKUP) { 15621 procState = ActivityManager.PROCESS_STATE_BACKUP; 15622 } 15623 } 15624 15625 boolean mayBeTop = false; 15626 15627 for (int is = app.services.size()-1; 15628 is >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 15629 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 15630 || procState > ActivityManager.PROCESS_STATE_TOP); 15631 is--) { 15632 ServiceRecord s = app.services.valueAt(is); 15633 if (s.startRequested) { 15634 app.hasStartedServices = true; 15635 if (procState > ActivityManager.PROCESS_STATE_SERVICE) { 15636 procState = ActivityManager.PROCESS_STATE_SERVICE; 15637 } 15638 if (app.hasShownUi && app != mHomeProcess) { 15639 // If this process has shown some UI, let it immediately 15640 // go to the LRU list because it may be pretty heavy with 15641 // UI stuff. We'll tag it with a label just to help 15642 // debug and understand what is going on. 15643 if (adj > ProcessList.SERVICE_ADJ) { 15644 app.adjType = "cch-started-ui-services"; 15645 } 15646 } else { 15647 if (now < (s.lastActivity + ActiveServices.MAX_SERVICE_INACTIVITY)) { 15648 // This service has seen some activity within 15649 // recent memory, so we will keep its process ahead 15650 // of the background processes. 15651 if (adj > ProcessList.SERVICE_ADJ) { 15652 adj = ProcessList.SERVICE_ADJ; 15653 app.adjType = "started-services"; 15654 app.cached = false; 15655 } 15656 } 15657 // If we have let the service slide into the background 15658 // state, still have some text describing what it is doing 15659 // even though the service no longer has an impact. 15660 if (adj > ProcessList.SERVICE_ADJ) { 15661 app.adjType = "cch-started-services"; 15662 } 15663 } 15664 } 15665 for (int conni = s.connections.size()-1; 15666 conni >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 15667 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 15668 || procState > ActivityManager.PROCESS_STATE_TOP); 15669 conni--) { 15670 ArrayList<ConnectionRecord> clist = s.connections.valueAt(conni); 15671 for (int i = 0; 15672 i < clist.size() && (adj > ProcessList.FOREGROUND_APP_ADJ 15673 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 15674 || procState > ActivityManager.PROCESS_STATE_TOP); 15675 i++) { 15676 // XXX should compute this based on the max of 15677 // all connected clients. 15678 ConnectionRecord cr = clist.get(i); 15679 if (cr.binding.client == app) { 15680 // Binding to ourself is not interesting. 15681 continue; 15682 } 15683 if ((cr.flags&Context.BIND_WAIVE_PRIORITY) == 0) { 15684 ProcessRecord client = cr.binding.client; 15685 int clientAdj = computeOomAdjLocked(client, cachedAdj, 15686 TOP_APP, doingAll, now); 15687 int clientProcState = client.curProcState; 15688 if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 15689 // If the other app is cached for any reason, for purposes here 15690 // we are going to consider it empty. The specific cached state 15691 // doesn't propagate except under certain conditions. 15692 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 15693 } 15694 String adjType = null; 15695 if ((cr.flags&Context.BIND_ALLOW_OOM_MANAGEMENT) != 0) { 15696 // Not doing bind OOM management, so treat 15697 // this guy more like a started service. 15698 if (app.hasShownUi && app != mHomeProcess) { 15699 // If this process has shown some UI, let it immediately 15700 // go to the LRU list because it may be pretty heavy with 15701 // UI stuff. We'll tag it with a label just to help 15702 // debug and understand what is going on. 15703 if (adj > clientAdj) { 15704 adjType = "cch-bound-ui-services"; 15705 } 15706 app.cached = false; 15707 clientAdj = adj; 15708 clientProcState = procState; 15709 } else { 15710 if (now >= (s.lastActivity 15711 + ActiveServices.MAX_SERVICE_INACTIVITY)) { 15712 // This service has not seen activity within 15713 // recent memory, so allow it to drop to the 15714 // LRU list if there is no other reason to keep 15715 // it around. We'll also tag it with a label just 15716 // to help debug and undertand what is going on. 15717 if (adj > clientAdj) { 15718 adjType = "cch-bound-services"; 15719 } 15720 clientAdj = adj; 15721 } 15722 } 15723 } 15724 if (adj > clientAdj) { 15725 // If this process has recently shown UI, and 15726 // the process that is binding to it is less 15727 // important than being visible, then we don't 15728 // care about the binding as much as we care 15729 // about letting this process get into the LRU 15730 // list to be killed and restarted if needed for 15731 // memory. 15732 if (app.hasShownUi && app != mHomeProcess 15733 && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 15734 adjType = "cch-bound-ui-services"; 15735 } else { 15736 if ((cr.flags&(Context.BIND_ABOVE_CLIENT 15737 |Context.BIND_IMPORTANT)) != 0) { 15738 adj = clientAdj; 15739 } else if ((cr.flags&Context.BIND_NOT_VISIBLE) != 0 15740 && clientAdj < ProcessList.PERCEPTIBLE_APP_ADJ 15741 && adj > ProcessList.PERCEPTIBLE_APP_ADJ) { 15742 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 15743 } else if (clientAdj > ProcessList.VISIBLE_APP_ADJ) { 15744 adj = clientAdj; 15745 } else { 15746 if (adj > ProcessList.VISIBLE_APP_ADJ) { 15747 adj = ProcessList.VISIBLE_APP_ADJ; 15748 } 15749 } 15750 if (!client.cached) { 15751 app.cached = false; 15752 } 15753 adjType = "service"; 15754 } 15755 } 15756 if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { 15757 if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { 15758 schedGroup = Process.THREAD_GROUP_DEFAULT; 15759 } 15760 if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) { 15761 if (clientProcState == ActivityManager.PROCESS_STATE_TOP) { 15762 // Special handling of clients who are in the top state. 15763 // We *may* want to consider this process to be in the 15764 // top state as well, but only if there is not another 15765 // reason for it to be running. Being on the top is a 15766 // special state, meaning you are specifically running 15767 // for the current top app. If the process is already 15768 // running in the background for some other reason, it 15769 // is more important to continue considering it to be 15770 // in the background state. 15771 mayBeTop = true; 15772 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 15773 } else { 15774 // Special handling for above-top states (persistent 15775 // processes). These should not bring the current process 15776 // into the top state, since they are not on top. Instead 15777 // give them the best state after that. 15778 clientProcState = 15779 ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15780 } 15781 } 15782 } else { 15783 if (clientProcState < 15784 ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND) { 15785 clientProcState = 15786 ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND; 15787 } 15788 } 15789 if (procState > clientProcState) { 15790 procState = clientProcState; 15791 } 15792 if (procState < ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 15793 && (cr.flags&Context.BIND_SHOWING_UI) != 0) { 15794 app.pendingUiClean = true; 15795 } 15796 if (adjType != null) { 15797 app.adjType = adjType; 15798 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 15799 .REASON_SERVICE_IN_USE; 15800 app.adjSource = cr.binding.client; 15801 app.adjSourceProcState = clientProcState; 15802 app.adjTarget = s.name; 15803 } 15804 } 15805 if ((cr.flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 15806 app.treatLikeActivity = true; 15807 } 15808 final ActivityRecord a = cr.activity; 15809 if ((cr.flags&Context.BIND_ADJUST_WITH_ACTIVITY) != 0) { 15810 if (a != null && adj > ProcessList.FOREGROUND_APP_ADJ && 15811 (a.visible || a.state == ActivityState.RESUMED 15812 || a.state == ActivityState.PAUSING)) { 15813 adj = ProcessList.FOREGROUND_APP_ADJ; 15814 if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { 15815 schedGroup = Process.THREAD_GROUP_DEFAULT; 15816 } 15817 app.cached = false; 15818 app.adjType = "service"; 15819 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 15820 .REASON_SERVICE_IN_USE; 15821 app.adjSource = a; 15822 app.adjSourceProcState = procState; 15823 app.adjTarget = s.name; 15824 } 15825 } 15826 } 15827 } 15828 } 15829 15830 for (int provi = app.pubProviders.size()-1; 15831 provi >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 15832 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 15833 || procState > ActivityManager.PROCESS_STATE_TOP); 15834 provi--) { 15835 ContentProviderRecord cpr = app.pubProviders.valueAt(provi); 15836 for (int i = cpr.connections.size()-1; 15837 i >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ 15838 || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE 15839 || procState > ActivityManager.PROCESS_STATE_TOP); 15840 i--) { 15841 ContentProviderConnection conn = cpr.connections.get(i); 15842 ProcessRecord client = conn.client; 15843 if (client == app) { 15844 // Being our own client is not interesting. 15845 continue; 15846 } 15847 int clientAdj = computeOomAdjLocked(client, cachedAdj, TOP_APP, doingAll, now); 15848 int clientProcState = client.curProcState; 15849 if (clientProcState >= ActivityManager.PROCESS_STATE_CACHED_ACTIVITY) { 15850 // If the other app is cached for any reason, for purposes here 15851 // we are going to consider it empty. 15852 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 15853 } 15854 if (adj > clientAdj) { 15855 if (app.hasShownUi && app != mHomeProcess 15856 && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { 15857 app.adjType = "cch-ui-provider"; 15858 } else { 15859 adj = clientAdj > ProcessList.FOREGROUND_APP_ADJ 15860 ? clientAdj : ProcessList.FOREGROUND_APP_ADJ; 15861 app.adjType = "provider"; 15862 } 15863 app.cached &= client.cached; 15864 app.adjTypeCode = ActivityManager.RunningAppProcessInfo 15865 .REASON_PROVIDER_IN_USE; 15866 app.adjSource = client; 15867 app.adjSourceProcState = clientProcState; 15868 app.adjTarget = cpr.name; 15869 } 15870 if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) { 15871 if (clientProcState == ActivityManager.PROCESS_STATE_TOP) { 15872 // Special handling of clients who are in the top state. 15873 // We *may* want to consider this process to be in the 15874 // top state as well, but only if there is not another 15875 // reason for it to be running. Being on the top is a 15876 // special state, meaning you are specifically running 15877 // for the current top app. If the process is already 15878 // running in the background for some other reason, it 15879 // is more important to continue considering it to be 15880 // in the background state. 15881 mayBeTop = true; 15882 clientProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 15883 } else { 15884 // Special handling for above-top states (persistent 15885 // processes). These should not bring the current process 15886 // into the top state, since they are not on top. Instead 15887 // give them the best state after that. 15888 clientProcState = 15889 ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15890 } 15891 } 15892 if (procState > clientProcState) { 15893 procState = clientProcState; 15894 } 15895 if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { 15896 schedGroup = Process.THREAD_GROUP_DEFAULT; 15897 } 15898 } 15899 // If the provider has external (non-framework) process 15900 // dependencies, ensure that its adjustment is at least 15901 // FOREGROUND_APP_ADJ. 15902 if (cpr.hasExternalProcessHandles()) { 15903 if (adj > ProcessList.FOREGROUND_APP_ADJ) { 15904 adj = ProcessList.FOREGROUND_APP_ADJ; 15905 schedGroup = Process.THREAD_GROUP_DEFAULT; 15906 app.cached = false; 15907 app.adjType = "provider"; 15908 app.adjTarget = cpr.name; 15909 } 15910 if (procState > ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND) { 15911 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15912 } 15913 } 15914 } 15915 15916 if (mayBeTop && procState > ActivityManager.PROCESS_STATE_TOP) { 15917 // A client of one of our services or providers is in the top state. We 15918 // *may* want to be in the top state, but not if we are already running in 15919 // the background for some other reason. For the decision here, we are going 15920 // to pick out a few specific states that we want to remain in when a client 15921 // is top (states that tend to be longer-term) and otherwise allow it to go 15922 // to the top state. 15923 switch (procState) { 15924 case ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND: 15925 case ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND: 15926 case ActivityManager.PROCESS_STATE_SERVICE: 15927 // These all are longer-term states, so pull them up to the top 15928 // of the background states, but not all the way to the top state. 15929 procState = ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND; 15930 break; 15931 default: 15932 // Otherwise, top is a better choice, so take it. 15933 procState = ActivityManager.PROCESS_STATE_TOP; 15934 break; 15935 } 15936 } 15937 15938 if (procState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { 15939 if (app.hasClientActivities) { 15940 // This is a cached process, but with client activities. Mark it so. 15941 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; 15942 app.adjType = "cch-client-act"; 15943 } else if (app.treatLikeActivity) { 15944 // This is a cached process, but somebody wants us to treat it like it has 15945 // an activity, okay! 15946 procState = ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; 15947 app.adjType = "cch-as-act"; 15948 } 15949 } 15950 15951 if (adj == ProcessList.SERVICE_ADJ) { 15952 if (doingAll) { 15953 app.serviceb = mNewNumAServiceProcs > (mNumServiceProcs/3); 15954 mNewNumServiceProcs++; 15955 //Slog.i(TAG, "ADJ " + app + " serviceb=" + app.serviceb); 15956 if (!app.serviceb) { 15957 // This service isn't far enough down on the LRU list to 15958 // normally be a B service, but if we are low on RAM and it 15959 // is large we want to force it down since we would prefer to 15960 // keep launcher over it. 15961 if (mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL 15962 && app.lastPss >= mProcessList.getCachedRestoreThresholdKb()) { 15963 app.serviceHighRam = true; 15964 app.serviceb = true; 15965 //Slog.i(TAG, "ADJ " + app + " high ram!"); 15966 } else { 15967 mNewNumAServiceProcs++; 15968 //Slog.i(TAG, "ADJ " + app + " not high ram!"); 15969 } 15970 } else { 15971 app.serviceHighRam = false; 15972 } 15973 } 15974 if (app.serviceb) { 15975 adj = ProcessList.SERVICE_B_ADJ; 15976 } 15977 } 15978 15979 app.curRawAdj = adj; 15980 15981 //Slog.i(TAG, "OOM ADJ " + app + ": pid=" + app.pid + 15982 // " adj=" + adj + " curAdj=" + app.curAdj + " maxAdj=" + app.maxAdj); 15983 if (adj > app.maxAdj) { 15984 adj = app.maxAdj; 15985 if (app.maxAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { 15986 schedGroup = Process.THREAD_GROUP_DEFAULT; 15987 } 15988 } 15989 15990 // Do final modification to adj. Everything we do between here and applying 15991 // the final setAdj must be done in this function, because we will also use 15992 // it when computing the final cached adj later. Note that we don't need to 15993 // worry about this for max adj above, since max adj will always be used to 15994 // keep it out of the cached vaues. 15995 app.curAdj = app.modifyRawOomAdj(adj); 15996 app.curSchedGroup = schedGroup; 15997 app.curProcState = procState; 15998 app.foregroundActivities = foregroundActivities; 15999 16000 return app.curRawAdj; 16001 } 16002 16003 /** 16004 * Schedule PSS collection of a process. 16005 */ 16006 void requestPssLocked(ProcessRecord proc, int procState) { 16007 if (mPendingPssProcesses.contains(proc)) { 16008 return; 16009 } 16010 if (mPendingPssProcesses.size() == 0) { 16011 mBgHandler.sendEmptyMessage(COLLECT_PSS_BG_MSG); 16012 } 16013 if (DEBUG_PSS) Slog.d(TAG, "Requesting PSS of: " + proc); 16014 proc.pssProcState = procState; 16015 mPendingPssProcesses.add(proc); 16016 } 16017 16018 /** 16019 * Schedule PSS collection of all processes. 16020 */ 16021 void requestPssAllProcsLocked(long now, boolean always, boolean memLowered) { 16022 if (!always) { 16023 if (now < (mLastFullPssTime + 16024 (memLowered ? FULL_PSS_LOWERED_INTERVAL : FULL_PSS_MIN_INTERVAL))) { 16025 return; 16026 } 16027 } 16028 if (DEBUG_PSS) Slog.d(TAG, "Requesting PSS of all procs! memLowered=" + memLowered); 16029 mLastFullPssTime = now; 16030 mFullPssPending = true; 16031 mPendingPssProcesses.ensureCapacity(mLruProcesses.size()); 16032 mPendingPssProcesses.clear(); 16033 for (int i=mLruProcesses.size()-1; i>=0; i--) { 16034 ProcessRecord app = mLruProcesses.get(i); 16035 if (memLowered || now > (app.lastStateTime+ProcessList.PSS_ALL_INTERVAL)) { 16036 app.pssProcState = app.setProcState; 16037 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, true, 16038 isSleeping(), now); 16039 mPendingPssProcesses.add(app); 16040 } 16041 } 16042 mBgHandler.sendEmptyMessage(COLLECT_PSS_BG_MSG); 16043 } 16044 16045 /** 16046 * Ask a given process to GC right now. 16047 */ 16048 final void performAppGcLocked(ProcessRecord app) { 16049 try { 16050 app.lastRequestedGc = SystemClock.uptimeMillis(); 16051 if (app.thread != null) { 16052 if (app.reportLowMemory) { 16053 app.reportLowMemory = false; 16054 app.thread.scheduleLowMemory(); 16055 } else { 16056 app.thread.processInBackground(); 16057 } 16058 } 16059 } catch (Exception e) { 16060 // whatever. 16061 } 16062 } 16063 16064 /** 16065 * Returns true if things are idle enough to perform GCs. 16066 */ 16067 private final boolean canGcNowLocked() { 16068 boolean processingBroadcasts = false; 16069 for (BroadcastQueue q : mBroadcastQueues) { 16070 if (q.mParallelBroadcasts.size() != 0 || q.mOrderedBroadcasts.size() != 0) { 16071 processingBroadcasts = true; 16072 } 16073 } 16074 return !processingBroadcasts 16075 && (isSleeping() || mStackSupervisor.allResumedActivitiesIdle()); 16076 } 16077 16078 /** 16079 * Perform GCs on all processes that are waiting for it, but only 16080 * if things are idle. 16081 */ 16082 final void performAppGcsLocked() { 16083 final int N = mProcessesToGc.size(); 16084 if (N <= 0) { 16085 return; 16086 } 16087 if (canGcNowLocked()) { 16088 while (mProcessesToGc.size() > 0) { 16089 ProcessRecord proc = mProcessesToGc.remove(0); 16090 if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ || proc.reportLowMemory) { 16091 if ((proc.lastRequestedGc+GC_MIN_INTERVAL) 16092 <= SystemClock.uptimeMillis()) { 16093 // To avoid spamming the system, we will GC processes one 16094 // at a time, waiting a few seconds between each. 16095 performAppGcLocked(proc); 16096 scheduleAppGcsLocked(); 16097 return; 16098 } else { 16099 // It hasn't been long enough since we last GCed this 16100 // process... put it in the list to wait for its time. 16101 addProcessToGcListLocked(proc); 16102 break; 16103 } 16104 } 16105 } 16106 16107 scheduleAppGcsLocked(); 16108 } 16109 } 16110 16111 /** 16112 * If all looks good, perform GCs on all processes waiting for them. 16113 */ 16114 final void performAppGcsIfAppropriateLocked() { 16115 if (canGcNowLocked()) { 16116 performAppGcsLocked(); 16117 return; 16118 } 16119 // Still not idle, wait some more. 16120 scheduleAppGcsLocked(); 16121 } 16122 16123 /** 16124 * Schedule the execution of all pending app GCs. 16125 */ 16126 final void scheduleAppGcsLocked() { 16127 mHandler.removeMessages(GC_BACKGROUND_PROCESSES_MSG); 16128 16129 if (mProcessesToGc.size() > 0) { 16130 // Schedule a GC for the time to the next process. 16131 ProcessRecord proc = mProcessesToGc.get(0); 16132 Message msg = mHandler.obtainMessage(GC_BACKGROUND_PROCESSES_MSG); 16133 16134 long when = proc.lastRequestedGc + GC_MIN_INTERVAL; 16135 long now = SystemClock.uptimeMillis(); 16136 if (when < (now+GC_TIMEOUT)) { 16137 when = now + GC_TIMEOUT; 16138 } 16139 mHandler.sendMessageAtTime(msg, when); 16140 } 16141 } 16142 16143 /** 16144 * Add a process to the array of processes waiting to be GCed. Keeps the 16145 * list in sorted order by the last GC time. The process can't already be 16146 * on the list. 16147 */ 16148 final void addProcessToGcListLocked(ProcessRecord proc) { 16149 boolean added = false; 16150 for (int i=mProcessesToGc.size()-1; i>=0; i--) { 16151 if (mProcessesToGc.get(i).lastRequestedGc < 16152 proc.lastRequestedGc) { 16153 added = true; 16154 mProcessesToGc.add(i+1, proc); 16155 break; 16156 } 16157 } 16158 if (!added) { 16159 mProcessesToGc.add(0, proc); 16160 } 16161 } 16162 16163 /** 16164 * Set up to ask a process to GC itself. This will either do it 16165 * immediately, or put it on the list of processes to gc the next 16166 * time things are idle. 16167 */ 16168 final void scheduleAppGcLocked(ProcessRecord app) { 16169 long now = SystemClock.uptimeMillis(); 16170 if ((app.lastRequestedGc+GC_MIN_INTERVAL) > now) { 16171 return; 16172 } 16173 if (!mProcessesToGc.contains(app)) { 16174 addProcessToGcListLocked(app); 16175 scheduleAppGcsLocked(); 16176 } 16177 } 16178 16179 final void checkExcessivePowerUsageLocked(boolean doKills) { 16180 updateCpuStatsNow(); 16181 16182 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 16183 boolean doWakeKills = doKills; 16184 boolean doCpuKills = doKills; 16185 if (mLastPowerCheckRealtime == 0) { 16186 doWakeKills = false; 16187 } 16188 if (mLastPowerCheckUptime == 0) { 16189 doCpuKills = false; 16190 } 16191 if (stats.isScreenOn()) { 16192 doWakeKills = false; 16193 } 16194 final long curRealtime = SystemClock.elapsedRealtime(); 16195 final long realtimeSince = curRealtime - mLastPowerCheckRealtime; 16196 final long curUptime = SystemClock.uptimeMillis(); 16197 final long uptimeSince = curUptime - mLastPowerCheckUptime; 16198 mLastPowerCheckRealtime = curRealtime; 16199 mLastPowerCheckUptime = curUptime; 16200 if (realtimeSince < WAKE_LOCK_MIN_CHECK_DURATION) { 16201 doWakeKills = false; 16202 } 16203 if (uptimeSince < CPU_MIN_CHECK_DURATION) { 16204 doCpuKills = false; 16205 } 16206 int i = mLruProcesses.size(); 16207 while (i > 0) { 16208 i--; 16209 ProcessRecord app = mLruProcesses.get(i); 16210 if (app.setProcState >= ActivityManager.PROCESS_STATE_HOME) { 16211 long wtime; 16212 synchronized (stats) { 16213 wtime = stats.getProcessWakeTime(app.info.uid, 16214 app.pid, curRealtime); 16215 } 16216 long wtimeUsed = wtime - app.lastWakeTime; 16217 long cputimeUsed = app.curCpuTime - app.lastCpuTime; 16218 if (DEBUG_POWER) { 16219 StringBuilder sb = new StringBuilder(128); 16220 sb.append("Wake for "); 16221 app.toShortString(sb); 16222 sb.append(": over "); 16223 TimeUtils.formatDuration(realtimeSince, sb); 16224 sb.append(" used "); 16225 TimeUtils.formatDuration(wtimeUsed, sb); 16226 sb.append(" ("); 16227 sb.append((wtimeUsed*100)/realtimeSince); 16228 sb.append("%)"); 16229 Slog.i(TAG, sb.toString()); 16230 sb.setLength(0); 16231 sb.append("CPU for "); 16232 app.toShortString(sb); 16233 sb.append(": over "); 16234 TimeUtils.formatDuration(uptimeSince, sb); 16235 sb.append(" used "); 16236 TimeUtils.formatDuration(cputimeUsed, sb); 16237 sb.append(" ("); 16238 sb.append((cputimeUsed*100)/uptimeSince); 16239 sb.append("%)"); 16240 Slog.i(TAG, sb.toString()); 16241 } 16242 // If a process has held a wake lock for more 16243 // than 50% of the time during this period, 16244 // that sounds bad. Kill! 16245 if (doWakeKills && realtimeSince > 0 16246 && ((wtimeUsed*100)/realtimeSince) >= 50) { 16247 synchronized (stats) { 16248 stats.reportExcessiveWakeLocked(app.info.uid, app.processName, 16249 realtimeSince, wtimeUsed); 16250 } 16251 killUnneededProcessLocked(app, "excessive wake held " + wtimeUsed 16252 + " during " + realtimeSince); 16253 app.baseProcessTracker.reportExcessiveWake(app.pkgList); 16254 } else if (doCpuKills && uptimeSince > 0 16255 && ((cputimeUsed*100)/uptimeSince) >= 25) { 16256 synchronized (stats) { 16257 stats.reportExcessiveCpuLocked(app.info.uid, app.processName, 16258 uptimeSince, cputimeUsed); 16259 } 16260 killUnneededProcessLocked(app, "excessive cpu " + cputimeUsed 16261 + " during " + uptimeSince); 16262 app.baseProcessTracker.reportExcessiveCpu(app.pkgList); 16263 } else { 16264 app.lastWakeTime = wtime; 16265 app.lastCpuTime = app.curCpuTime; 16266 } 16267 } 16268 } 16269 } 16270 16271 private final boolean applyOomAdjLocked(ProcessRecord app, 16272 ProcessRecord TOP_APP, boolean doingAll, long now) { 16273 boolean success = true; 16274 16275 if (app.curRawAdj != app.setRawAdj) { 16276 app.setRawAdj = app.curRawAdj; 16277 } 16278 16279 int changes = 0; 16280 16281 if (app.curAdj != app.setAdj) { 16282 ProcessList.setOomAdj(app.pid, app.info.uid, app.curAdj); 16283 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v( 16284 TAG, "Set " + app.pid + " " + app.processName + 16285 " adj " + app.curAdj + ": " + app.adjType); 16286 app.setAdj = app.curAdj; 16287 } 16288 16289 if (app.setSchedGroup != app.curSchedGroup) { 16290 app.setSchedGroup = app.curSchedGroup; 16291 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16292 "Setting process group of " + app.processName 16293 + " to " + app.curSchedGroup); 16294 if (app.waitingToKill != null && 16295 app.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { 16296 killUnneededProcessLocked(app, app.waitingToKill); 16297 success = false; 16298 } else { 16299 if (true) { 16300 long oldId = Binder.clearCallingIdentity(); 16301 try { 16302 Process.setProcessGroup(app.pid, app.curSchedGroup); 16303 } catch (Exception e) { 16304 Slog.w(TAG, "Failed setting process group of " + app.pid 16305 + " to " + app.curSchedGroup); 16306 e.printStackTrace(); 16307 } finally { 16308 Binder.restoreCallingIdentity(oldId); 16309 } 16310 } else { 16311 if (app.thread != null) { 16312 try { 16313 app.thread.setSchedulingGroup(app.curSchedGroup); 16314 } catch (RemoteException e) { 16315 } 16316 } 16317 } 16318 Process.setSwappiness(app.pid, 16319 app.curSchedGroup <= Process.THREAD_GROUP_BG_NONINTERACTIVE); 16320 } 16321 } 16322 if (app.repForegroundActivities != app.foregroundActivities) { 16323 app.repForegroundActivities = app.foregroundActivities; 16324 changes |= ProcessChangeItem.CHANGE_ACTIVITIES; 16325 } 16326 if (app.repProcState != app.curProcState) { 16327 app.repProcState = app.curProcState; 16328 changes |= ProcessChangeItem.CHANGE_PROCESS_STATE; 16329 if (app.thread != null) { 16330 try { 16331 if (false) { 16332 //RuntimeException h = new RuntimeException("here"); 16333 Slog.i(TAG, "Sending new process state " + app.repProcState 16334 + " to " + app /*, h*/); 16335 } 16336 app.thread.setProcessState(app.repProcState); 16337 } catch (RemoteException e) { 16338 } 16339 } 16340 } 16341 if (app.setProcState < 0 || ProcessList.procStatesDifferForMem(app.curProcState, 16342 app.setProcState)) { 16343 app.lastStateTime = now; 16344 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, true, 16345 isSleeping(), now); 16346 if (DEBUG_PSS) Slog.d(TAG, "Process state change from " 16347 + ProcessList.makeProcStateString(app.setProcState) + " to " 16348 + ProcessList.makeProcStateString(app.curProcState) + " next pss in " 16349 + (app.nextPssTime-now) + ": " + app); 16350 } else { 16351 if (now > app.nextPssTime || (now > (app.lastPssTime+ProcessList.PSS_MAX_INTERVAL) 16352 && now > (app.lastStateTime+ProcessList.PSS_MIN_TIME_FROM_STATE_CHANGE))) { 16353 requestPssLocked(app, app.setProcState); 16354 app.nextPssTime = ProcessList.computeNextPssTime(app.curProcState, false, 16355 isSleeping(), now); 16356 } else if (false && DEBUG_PSS) { 16357 Slog.d(TAG, "Not requesting PSS of " + app + ": next=" + (app.nextPssTime-now)); 16358 } 16359 } 16360 if (app.setProcState != app.curProcState) { 16361 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16362 "Proc state change of " + app.processName 16363 + " to " + app.curProcState); 16364 boolean setImportant = app.setProcState < ActivityManager.PROCESS_STATE_SERVICE; 16365 boolean curImportant = app.curProcState < ActivityManager.PROCESS_STATE_SERVICE; 16366 if (setImportant && !curImportant) { 16367 // This app is no longer something we consider important enough to allow to 16368 // use arbitrary amounts of battery power. Note 16369 // its current wake lock time to later know to kill it if 16370 // it is not behaving well. 16371 BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); 16372 synchronized (stats) { 16373 app.lastWakeTime = stats.getProcessWakeTime(app.info.uid, 16374 app.pid, SystemClock.elapsedRealtime()); 16375 } 16376 app.lastCpuTime = app.curCpuTime; 16377 16378 } 16379 app.setProcState = app.curProcState; 16380 if (app.setProcState >= ActivityManager.PROCESS_STATE_HOME) { 16381 app.notCachedSinceIdle = false; 16382 } 16383 if (!doingAll) { 16384 setProcessTrackerStateLocked(app, mProcessStats.getMemFactorLocked(), now); 16385 } else { 16386 app.procStateChanged = true; 16387 } 16388 } 16389 16390 if (changes != 0) { 16391 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Changes in " + app + ": " + changes); 16392 int i = mPendingProcessChanges.size()-1; 16393 ProcessChangeItem item = null; 16394 while (i >= 0) { 16395 item = mPendingProcessChanges.get(i); 16396 if (item.pid == app.pid) { 16397 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Re-using existing item: " + item); 16398 break; 16399 } 16400 i--; 16401 } 16402 if (i < 0) { 16403 // No existing item in pending changes; need a new one. 16404 final int NA = mAvailProcessChanges.size(); 16405 if (NA > 0) { 16406 item = mAvailProcessChanges.remove(NA-1); 16407 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Retreiving available item: " + item); 16408 } else { 16409 item = new ProcessChangeItem(); 16410 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Allocating new item: " + item); 16411 } 16412 item.changes = 0; 16413 item.pid = app.pid; 16414 item.uid = app.info.uid; 16415 if (mPendingProcessChanges.size() == 0) { 16416 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, 16417 "*** Enqueueing dispatch processes changed!"); 16418 mHandler.obtainMessage(DISPATCH_PROCESSES_CHANGED).sendToTarget(); 16419 } 16420 mPendingProcessChanges.add(item); 16421 } 16422 item.changes |= changes; 16423 item.processState = app.repProcState; 16424 item.foregroundActivities = app.repForegroundActivities; 16425 if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Item " 16426 + Integer.toHexString(System.identityHashCode(item)) 16427 + " " + app.toShortString() + ": changes=" + item.changes 16428 + " procState=" + item.processState 16429 + " foreground=" + item.foregroundActivities 16430 + " type=" + app.adjType + " source=" + app.adjSource 16431 + " target=" + app.adjTarget); 16432 } 16433 16434 return success; 16435 } 16436 16437 private final void setProcessTrackerStateLocked(ProcessRecord proc, int memFactor, long now) { 16438 if (proc.thread != null) { 16439 if (proc.baseProcessTracker != null) { 16440 proc.baseProcessTracker.setState(proc.repProcState, memFactor, now, proc.pkgList); 16441 } 16442 if (proc.repProcState >= 0) { 16443 mBatteryStatsService.noteProcessState(proc.processName, proc.info.uid, 16444 proc.repProcState); 16445 } 16446 } 16447 } 16448 16449 private final boolean updateOomAdjLocked(ProcessRecord app, int cachedAdj, 16450 ProcessRecord TOP_APP, boolean doingAll, long now) { 16451 if (app.thread == null) { 16452 return false; 16453 } 16454 16455 computeOomAdjLocked(app, cachedAdj, TOP_APP, doingAll, now); 16456 16457 return applyOomAdjLocked(app, TOP_APP, doingAll, now); 16458 } 16459 16460 final void updateProcessForegroundLocked(ProcessRecord proc, boolean isForeground, 16461 boolean oomAdj) { 16462 if (isForeground != proc.foregroundServices) { 16463 proc.foregroundServices = isForeground; 16464 ArrayList<ProcessRecord> curProcs = mForegroundPackages.get(proc.info.packageName, 16465 proc.info.uid); 16466 if (isForeground) { 16467 if (curProcs == null) { 16468 curProcs = new ArrayList<ProcessRecord>(); 16469 mForegroundPackages.put(proc.info.packageName, proc.info.uid, curProcs); 16470 } 16471 if (!curProcs.contains(proc)) { 16472 curProcs.add(proc); 16473 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_FOREGROUND_START, 16474 proc.info.packageName, proc.info.uid); 16475 } 16476 } else { 16477 if (curProcs != null) { 16478 if (curProcs.remove(proc)) { 16479 mBatteryStatsService.noteEvent( 16480 BatteryStats.HistoryItem.EVENT_FOREGROUND_FINISH, 16481 proc.info.packageName, proc.info.uid); 16482 if (curProcs.size() <= 0) { 16483 mForegroundPackages.remove(proc.info.packageName, proc.info.uid); 16484 } 16485 } 16486 } 16487 } 16488 if (oomAdj) { 16489 updateOomAdjLocked(); 16490 } 16491 } 16492 } 16493 16494 private final ActivityRecord resumedAppLocked() { 16495 ActivityRecord act = mStackSupervisor.resumedAppLocked(); 16496 String pkg; 16497 int uid; 16498 if (act != null) { 16499 pkg = act.packageName; 16500 uid = act.info.applicationInfo.uid; 16501 } else { 16502 pkg = null; 16503 uid = -1; 16504 } 16505 // Has the UID or resumed package name changed? 16506 if (uid != mCurResumedUid || (pkg != mCurResumedPackage 16507 && (pkg == null || !pkg.equals(mCurResumedPackage)))) { 16508 if (mCurResumedPackage != null) { 16509 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_TOP_FINISH, 16510 mCurResumedPackage, mCurResumedUid); 16511 } 16512 mCurResumedPackage = pkg; 16513 mCurResumedUid = uid; 16514 if (mCurResumedPackage != null) { 16515 mBatteryStatsService.noteEvent(BatteryStats.HistoryItem.EVENT_TOP_START, 16516 mCurResumedPackage, mCurResumedUid); 16517 } 16518 } 16519 return act; 16520 } 16521 16522 final boolean updateOomAdjLocked(ProcessRecord app) { 16523 final ActivityRecord TOP_ACT = resumedAppLocked(); 16524 final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; 16525 final boolean wasCached = app.cached; 16526 16527 mAdjSeq++; 16528 16529 // This is the desired cached adjusment we want to tell it to use. 16530 // If our app is currently cached, we know it, and that is it. Otherwise, 16531 // we don't know it yet, and it needs to now be cached we will then 16532 // need to do a complete oom adj. 16533 final int cachedAdj = app.curRawAdj >= ProcessList.CACHED_APP_MIN_ADJ 16534 ? app.curRawAdj : ProcessList.UNKNOWN_ADJ; 16535 boolean success = updateOomAdjLocked(app, cachedAdj, TOP_APP, false, 16536 SystemClock.uptimeMillis()); 16537 if (wasCached != app.cached || app.curRawAdj == ProcessList.UNKNOWN_ADJ) { 16538 // Changed to/from cached state, so apps after it in the LRU 16539 // list may also be changed. 16540 updateOomAdjLocked(); 16541 } 16542 return success; 16543 } 16544 16545 final void updateOomAdjLocked() { 16546 final ActivityRecord TOP_ACT = resumedAppLocked(); 16547 final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; 16548 final long now = SystemClock.uptimeMillis(); 16549 final long oldTime = now - ProcessList.MAX_EMPTY_TIME; 16550 final int N = mLruProcesses.size(); 16551 16552 if (false) { 16553 RuntimeException e = new RuntimeException(); 16554 e.fillInStackTrace(); 16555 Slog.i(TAG, "updateOomAdj: top=" + TOP_ACT, e); 16556 } 16557 16558 mAdjSeq++; 16559 mNewNumServiceProcs = 0; 16560 mNewNumAServiceProcs = 0; 16561 16562 final int emptyProcessLimit; 16563 final int cachedProcessLimit; 16564 if (mProcessLimit <= 0) { 16565 emptyProcessLimit = cachedProcessLimit = 0; 16566 } else if (mProcessLimit == 1) { 16567 emptyProcessLimit = 1; 16568 cachedProcessLimit = 0; 16569 } else { 16570 emptyProcessLimit = ProcessList.computeEmptyProcessLimit(mProcessLimit); 16571 cachedProcessLimit = mProcessLimit - emptyProcessLimit; 16572 } 16573 16574 // Let's determine how many processes we have running vs. 16575 // how many slots we have for background processes; we may want 16576 // to put multiple processes in a slot of there are enough of 16577 // them. 16578 int numSlots = (ProcessList.CACHED_APP_MAX_ADJ 16579 - ProcessList.CACHED_APP_MIN_ADJ + 1) / 2; 16580 int numEmptyProcs = N - mNumNonCachedProcs - mNumCachedHiddenProcs; 16581 if (numEmptyProcs > cachedProcessLimit) { 16582 // If there are more empty processes than our limit on cached 16583 // processes, then use the cached process limit for the factor. 16584 // This ensures that the really old empty processes get pushed 16585 // down to the bottom, so if we are running low on memory we will 16586 // have a better chance at keeping around more cached processes 16587 // instead of a gazillion empty processes. 16588 numEmptyProcs = cachedProcessLimit; 16589 } 16590 int emptyFactor = numEmptyProcs/numSlots; 16591 if (emptyFactor < 1) emptyFactor = 1; 16592 int cachedFactor = (mNumCachedHiddenProcs > 0 ? mNumCachedHiddenProcs : 1)/numSlots; 16593 if (cachedFactor < 1) cachedFactor = 1; 16594 int stepCached = 0; 16595 int stepEmpty = 0; 16596 int numCached = 0; 16597 int numEmpty = 0; 16598 int numTrimming = 0; 16599 16600 mNumNonCachedProcs = 0; 16601 mNumCachedHiddenProcs = 0; 16602 16603 // First update the OOM adjustment for each of the 16604 // application processes based on their current state. 16605 int curCachedAdj = ProcessList.CACHED_APP_MIN_ADJ; 16606 int nextCachedAdj = curCachedAdj+1; 16607 int curEmptyAdj = ProcessList.CACHED_APP_MIN_ADJ; 16608 int nextEmptyAdj = curEmptyAdj+2; 16609 for (int i=N-1; i>=0; i--) { 16610 ProcessRecord app = mLruProcesses.get(i); 16611 if (!app.killedByAm && app.thread != null) { 16612 app.procStateChanged = false; 16613 computeOomAdjLocked(app, ProcessList.UNKNOWN_ADJ, TOP_APP, true, now); 16614 16615 // If we haven't yet assigned the final cached adj 16616 // to the process, do that now. 16617 if (app.curAdj >= ProcessList.UNKNOWN_ADJ) { 16618 switch (app.curProcState) { 16619 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: 16620 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 16621 // This process is a cached process holding activities... 16622 // assign it the next cached value for that type, and then 16623 // step that cached level. 16624 app.curRawAdj = curCachedAdj; 16625 app.curAdj = app.modifyRawOomAdj(curCachedAdj); 16626 if (DEBUG_LRU && false) Slog.d(TAG, "Assigning activity LRU #" + i 16627 + " adj: " + app.curAdj + " (curCachedAdj=" + curCachedAdj 16628 + ")"); 16629 if (curCachedAdj != nextCachedAdj) { 16630 stepCached++; 16631 if (stepCached >= cachedFactor) { 16632 stepCached = 0; 16633 curCachedAdj = nextCachedAdj; 16634 nextCachedAdj += 2; 16635 if (nextCachedAdj > ProcessList.CACHED_APP_MAX_ADJ) { 16636 nextCachedAdj = ProcessList.CACHED_APP_MAX_ADJ; 16637 } 16638 } 16639 } 16640 break; 16641 default: 16642 // For everything else, assign next empty cached process 16643 // level and bump that up. Note that this means that 16644 // long-running services that have dropped down to the 16645 // cached level will be treated as empty (since their process 16646 // state is still as a service), which is what we want. 16647 app.curRawAdj = curEmptyAdj; 16648 app.curAdj = app.modifyRawOomAdj(curEmptyAdj); 16649 if (DEBUG_LRU && false) Slog.d(TAG, "Assigning empty LRU #" + i 16650 + " adj: " + app.curAdj + " (curEmptyAdj=" + curEmptyAdj 16651 + ")"); 16652 if (curEmptyAdj != nextEmptyAdj) { 16653 stepEmpty++; 16654 if (stepEmpty >= emptyFactor) { 16655 stepEmpty = 0; 16656 curEmptyAdj = nextEmptyAdj; 16657 nextEmptyAdj += 2; 16658 if (nextEmptyAdj > ProcessList.CACHED_APP_MAX_ADJ) { 16659 nextEmptyAdj = ProcessList.CACHED_APP_MAX_ADJ; 16660 } 16661 } 16662 } 16663 break; 16664 } 16665 } 16666 16667 applyOomAdjLocked(app, TOP_APP, true, now); 16668 16669 // Count the number of process types. 16670 switch (app.curProcState) { 16671 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: 16672 case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 16673 mNumCachedHiddenProcs++; 16674 numCached++; 16675 if (numCached > cachedProcessLimit) { 16676 killUnneededProcessLocked(app, "cached #" + numCached); 16677 } 16678 break; 16679 case ActivityManager.PROCESS_STATE_CACHED_EMPTY: 16680 if (numEmpty > ProcessList.TRIM_EMPTY_APPS 16681 && app.lastActivityTime < oldTime) { 16682 killUnneededProcessLocked(app, "empty for " 16683 + ((oldTime + ProcessList.MAX_EMPTY_TIME - app.lastActivityTime) 16684 / 1000) + "s"); 16685 } else { 16686 numEmpty++; 16687 if (numEmpty > emptyProcessLimit) { 16688 killUnneededProcessLocked(app, "empty #" + numEmpty); 16689 } 16690 } 16691 break; 16692 default: 16693 mNumNonCachedProcs++; 16694 break; 16695 } 16696 16697 if (app.isolated && app.services.size() <= 0) { 16698 // If this is an isolated process, and there are no 16699 // services running in it, then the process is no longer 16700 // needed. We agressively kill these because we can by 16701 // definition not re-use the same process again, and it is 16702 // good to avoid having whatever code was running in them 16703 // left sitting around after no longer needed. 16704 killUnneededProcessLocked(app, "isolated not needed"); 16705 } 16706 16707 if (app.curProcState >= ActivityManager.PROCESS_STATE_HOME 16708 && !app.killedByAm) { 16709 numTrimming++; 16710 } 16711 } 16712 } 16713 16714 mNumServiceProcs = mNewNumServiceProcs; 16715 16716 // Now determine the memory trimming level of background processes. 16717 // Unfortunately we need to start at the back of the list to do this 16718 // properly. We only do this if the number of background apps we 16719 // are managing to keep around is less than half the maximum we desire; 16720 // if we are keeping a good number around, we'll let them use whatever 16721 // memory they want. 16722 final int numCachedAndEmpty = numCached + numEmpty; 16723 int memFactor; 16724 if (numCached <= ProcessList.TRIM_CACHED_APPS 16725 && numEmpty <= ProcessList.TRIM_EMPTY_APPS) { 16726 if (numCachedAndEmpty <= ProcessList.TRIM_CRITICAL_THRESHOLD) { 16727 memFactor = ProcessStats.ADJ_MEM_FACTOR_CRITICAL; 16728 } else if (numCachedAndEmpty <= ProcessList.TRIM_LOW_THRESHOLD) { 16729 memFactor = ProcessStats.ADJ_MEM_FACTOR_LOW; 16730 } else { 16731 memFactor = ProcessStats.ADJ_MEM_FACTOR_MODERATE; 16732 } 16733 } else { 16734 memFactor = ProcessStats.ADJ_MEM_FACTOR_NORMAL; 16735 } 16736 // We always allow the memory level to go up (better). We only allow it to go 16737 // down if we are in a state where that is allowed, *and* the total number of processes 16738 // has gone down since last time. 16739 if (DEBUG_OOM_ADJ) Slog.d(TAG, "oom: memFactor=" + memFactor + " last=" + mLastMemoryLevel 16740 + " allowLow=" + mAllowLowerMemLevel + " numProcs=" + mLruProcesses.size() 16741 + " last=" + mLastNumProcesses); 16742 if (memFactor > mLastMemoryLevel) { 16743 if (!mAllowLowerMemLevel || mLruProcesses.size() >= mLastNumProcesses) { 16744 memFactor = mLastMemoryLevel; 16745 if (DEBUG_OOM_ADJ) Slog.d(TAG, "Keeping last mem factor!"); 16746 } 16747 } 16748 mLastMemoryLevel = memFactor; 16749 mLastNumProcesses = mLruProcesses.size(); 16750 boolean allChanged = mProcessStats.setMemFactorLocked(memFactor, !isSleeping(), now); 16751 final int trackerMemFactor = mProcessStats.getMemFactorLocked(); 16752 if (memFactor != ProcessStats.ADJ_MEM_FACTOR_NORMAL) { 16753 if (mLowRamStartTime == 0) { 16754 mLowRamStartTime = now; 16755 } 16756 int step = 0; 16757 int fgTrimLevel; 16758 switch (memFactor) { 16759 case ProcessStats.ADJ_MEM_FACTOR_CRITICAL: 16760 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_CRITICAL; 16761 break; 16762 case ProcessStats.ADJ_MEM_FACTOR_LOW: 16763 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW; 16764 break; 16765 default: 16766 fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_MODERATE; 16767 break; 16768 } 16769 int factor = numTrimming/3; 16770 int minFactor = 2; 16771 if (mHomeProcess != null) minFactor++; 16772 if (mPreviousProcess != null) minFactor++; 16773 if (factor < minFactor) factor = minFactor; 16774 int curLevel = ComponentCallbacks2.TRIM_MEMORY_COMPLETE; 16775 for (int i=N-1; i>=0; i--) { 16776 ProcessRecord app = mLruProcesses.get(i); 16777 if (allChanged || app.procStateChanged) { 16778 setProcessTrackerStateLocked(app, trackerMemFactor, now); 16779 app.procStateChanged = false; 16780 } 16781 if (app.curProcState >= ActivityManager.PROCESS_STATE_HOME 16782 && !app.killedByAm) { 16783 if (app.trimMemoryLevel < curLevel && app.thread != null) { 16784 try { 16785 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16786 "Trimming memory of " + app.processName 16787 + " to " + curLevel); 16788 app.thread.scheduleTrimMemory(curLevel); 16789 } catch (RemoteException e) { 16790 } 16791 if (false) { 16792 // For now we won't do this; our memory trimming seems 16793 // to be good enough at this point that destroying 16794 // activities causes more harm than good. 16795 if (curLevel >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE 16796 && app != mHomeProcess && app != mPreviousProcess) { 16797 // Need to do this on its own message because the stack may not 16798 // be in a consistent state at this point. 16799 // For these apps we will also finish their activities 16800 // to help them free memory. 16801 mStackSupervisor.scheduleDestroyAllActivities(app, "trim"); 16802 } 16803 } 16804 } 16805 app.trimMemoryLevel = curLevel; 16806 step++; 16807 if (step >= factor) { 16808 step = 0; 16809 switch (curLevel) { 16810 case ComponentCallbacks2.TRIM_MEMORY_COMPLETE: 16811 curLevel = ComponentCallbacks2.TRIM_MEMORY_MODERATE; 16812 break; 16813 case ComponentCallbacks2.TRIM_MEMORY_MODERATE: 16814 curLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; 16815 break; 16816 } 16817 } 16818 } else if (app.curProcState == ActivityManager.PROCESS_STATE_HEAVY_WEIGHT) { 16819 if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_BACKGROUND 16820 && app.thread != null) { 16821 try { 16822 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16823 "Trimming memory of heavy-weight " + app.processName 16824 + " to " + ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); 16825 app.thread.scheduleTrimMemory( 16826 ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); 16827 } catch (RemoteException e) { 16828 } 16829 } 16830 app.trimMemoryLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; 16831 } else { 16832 if ((app.curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 16833 || app.systemNoUi) && app.pendingUiClean) { 16834 // If this application is now in the background and it 16835 // had done UI, then give it the special trim level to 16836 // have it free UI resources. 16837 final int level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN; 16838 if (app.trimMemoryLevel < level && app.thread != null) { 16839 try { 16840 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16841 "Trimming memory of bg-ui " + app.processName 16842 + " to " + level); 16843 app.thread.scheduleTrimMemory(level); 16844 } catch (RemoteException e) { 16845 } 16846 } 16847 app.pendingUiClean = false; 16848 } 16849 if (app.trimMemoryLevel < fgTrimLevel && app.thread != null) { 16850 try { 16851 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16852 "Trimming memory of fg " + app.processName 16853 + " to " + fgTrimLevel); 16854 app.thread.scheduleTrimMemory(fgTrimLevel); 16855 } catch (RemoteException e) { 16856 } 16857 } 16858 app.trimMemoryLevel = fgTrimLevel; 16859 } 16860 } 16861 } else { 16862 if (mLowRamStartTime != 0) { 16863 mLowRamTimeSinceLastIdle += now - mLowRamStartTime; 16864 mLowRamStartTime = 0; 16865 } 16866 for (int i=N-1; i>=0; i--) { 16867 ProcessRecord app = mLruProcesses.get(i); 16868 if (allChanged || app.procStateChanged) { 16869 setProcessTrackerStateLocked(app, trackerMemFactor, now); 16870 app.procStateChanged = false; 16871 } 16872 if ((app.curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND 16873 || app.systemNoUi) && app.pendingUiClean) { 16874 if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN 16875 && app.thread != null) { 16876 try { 16877 if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, 16878 "Trimming memory of ui hidden " + app.processName 16879 + " to " + ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); 16880 app.thread.scheduleTrimMemory( 16881 ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); 16882 } catch (RemoteException e) { 16883 } 16884 } 16885 app.pendingUiClean = false; 16886 } 16887 app.trimMemoryLevel = 0; 16888 } 16889 } 16890 16891 if (mAlwaysFinishActivities) { 16892 // Need to do this on its own message because the stack may not 16893 // be in a consistent state at this point. 16894 mStackSupervisor.scheduleDestroyAllActivities(null, "always-finish"); 16895 } 16896 16897 if (allChanged) { 16898 requestPssAllProcsLocked(now, false, mProcessStats.isMemFactorLowered()); 16899 } 16900 16901 if (mProcessStats.shouldWriteNowLocked(now)) { 16902 mHandler.post(new Runnable() { 16903 @Override public void run() { 16904 synchronized (ActivityManagerService.this) { 16905 mProcessStats.writeStateAsyncLocked(); 16906 } 16907 } 16908 }); 16909 } 16910 16911 if (DEBUG_OOM_ADJ) { 16912 Slog.d(TAG, "Did OOM ADJ in " + (SystemClock.uptimeMillis()-now) + "ms"); 16913 } 16914 } 16915 16916 final void trimApplications() { 16917 synchronized (this) { 16918 int i; 16919 16920 // First remove any unused application processes whose package 16921 // has been removed. 16922 for (i=mRemovedProcesses.size()-1; i>=0; i--) { 16923 final ProcessRecord app = mRemovedProcesses.get(i); 16924 if (app.activities.size() == 0 16925 && app.curReceiver == null && app.services.size() == 0) { 16926 Slog.i( 16927 TAG, "Exiting empty application process " 16928 + app.processName + " (" 16929 + (app.thread != null ? app.thread.asBinder() : null) 16930 + ")\n"); 16931 if (app.pid > 0 && app.pid != MY_PID) { 16932 EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, 16933 app.processName, app.setAdj, "empty"); 16934 app.killedByAm = true; 16935 Process.killProcessQuiet(app.pid); 16936 Process.killProcessGroup(app.info.uid, app.pid); 16937 } else { 16938 try { 16939 app.thread.scheduleExit(); 16940 } catch (Exception e) { 16941 // Ignore exceptions. 16942 } 16943 } 16944 cleanUpApplicationRecordLocked(app, false, true, -1); 16945 mRemovedProcesses.remove(i); 16946 16947 if (app.persistent) { 16948 addAppLocked(app.info, false, null /* ABI override */); 16949 } 16950 } 16951 } 16952 16953 // Now update the oom adj for all processes. 16954 updateOomAdjLocked(); 16955 } 16956 } 16957 16958 /** This method sends the specified signal to each of the persistent apps */ 16959 public void signalPersistentProcesses(int sig) throws RemoteException { 16960 if (sig != Process.SIGNAL_USR1) { 16961 throw new SecurityException("Only SIGNAL_USR1 is allowed"); 16962 } 16963 16964 synchronized (this) { 16965 if (checkCallingPermission(android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES) 16966 != PackageManager.PERMISSION_GRANTED) { 16967 throw new SecurityException("Requires permission " 16968 + android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES); 16969 } 16970 16971 for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { 16972 ProcessRecord r = mLruProcesses.get(i); 16973 if (r.thread != null && r.persistent) { 16974 Process.sendSignal(r.pid, sig); 16975 } 16976 } 16977 } 16978 } 16979 16980 private void stopProfilerLocked(ProcessRecord proc, String path, int profileType) { 16981 if (proc == null || proc == mProfileProc) { 16982 proc = mProfileProc; 16983 path = mProfileFile; 16984 profileType = mProfileType; 16985 clearProfilerLocked(); 16986 } 16987 if (proc == null) { 16988 return; 16989 } 16990 try { 16991 proc.thread.profilerControl(false, path, null, profileType); 16992 } catch (RemoteException e) { 16993 throw new IllegalStateException("Process disappeared"); 16994 } 16995 } 16996 16997 private void clearProfilerLocked() { 16998 if (mProfileFd != null) { 16999 try { 17000 mProfileFd.close(); 17001 } catch (IOException e) { 17002 } 17003 } 17004 mProfileApp = null; 17005 mProfileProc = null; 17006 mProfileFile = null; 17007 mProfileType = 0; 17008 mAutoStopProfiler = false; 17009 } 17010 17011 public boolean profileControl(String process, int userId, boolean start, 17012 String path, ParcelFileDescriptor fd, int profileType) throws RemoteException { 17013 17014 try { 17015 synchronized (this) { 17016 // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to 17017 // its own permission. 17018 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 17019 != PackageManager.PERMISSION_GRANTED) { 17020 throw new SecurityException("Requires permission " 17021 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 17022 } 17023 17024 if (start && fd == null) { 17025 throw new IllegalArgumentException("null fd"); 17026 } 17027 17028 ProcessRecord proc = null; 17029 if (process != null) { 17030 proc = findProcessLocked(process, userId, "profileControl"); 17031 } 17032 17033 if (start && (proc == null || proc.thread == null)) { 17034 throw new IllegalArgumentException("Unknown process: " + process); 17035 } 17036 17037 if (start) { 17038 stopProfilerLocked(null, null, 0); 17039 setProfileApp(proc.info, proc.processName, path, fd, false); 17040 mProfileProc = proc; 17041 mProfileType = profileType; 17042 try { 17043 fd = fd.dup(); 17044 } catch (IOException e) { 17045 fd = null; 17046 } 17047 proc.thread.profilerControl(start, path, fd, profileType); 17048 fd = null; 17049 mProfileFd = null; 17050 } else { 17051 stopProfilerLocked(proc, path, profileType); 17052 if (fd != null) { 17053 try { 17054 fd.close(); 17055 } catch (IOException e) { 17056 } 17057 } 17058 } 17059 17060 return true; 17061 } 17062 } catch (RemoteException e) { 17063 throw new IllegalStateException("Process disappeared"); 17064 } finally { 17065 if (fd != null) { 17066 try { 17067 fd.close(); 17068 } catch (IOException e) { 17069 } 17070 } 17071 } 17072 } 17073 17074 private ProcessRecord findProcessLocked(String process, int userId, String callName) { 17075 userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), 17076 userId, true, ALLOW_FULL_ONLY, callName, null); 17077 ProcessRecord proc = null; 17078 try { 17079 int pid = Integer.parseInt(process); 17080 synchronized (mPidsSelfLocked) { 17081 proc = mPidsSelfLocked.get(pid); 17082 } 17083 } catch (NumberFormatException e) { 17084 } 17085 17086 if (proc == null) { 17087 ArrayMap<String, SparseArray<ProcessRecord>> all 17088 = mProcessNames.getMap(); 17089 SparseArray<ProcessRecord> procs = all.get(process); 17090 if (procs != null && procs.size() > 0) { 17091 proc = procs.valueAt(0); 17092 if (userId != UserHandle.USER_ALL && proc.userId != userId) { 17093 for (int i=1; i<procs.size(); i++) { 17094 ProcessRecord thisProc = procs.valueAt(i); 17095 if (thisProc.userId == userId) { 17096 proc = thisProc; 17097 break; 17098 } 17099 } 17100 } 17101 } 17102 } 17103 17104 return proc; 17105 } 17106 17107 public boolean dumpHeap(String process, int userId, boolean managed, 17108 String path, ParcelFileDescriptor fd) throws RemoteException { 17109 17110 try { 17111 synchronized (this) { 17112 // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to 17113 // its own permission (same as profileControl). 17114 if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) 17115 != PackageManager.PERMISSION_GRANTED) { 17116 throw new SecurityException("Requires permission " 17117 + android.Manifest.permission.SET_ACTIVITY_WATCHER); 17118 } 17119 17120 if (fd == null) { 17121 throw new IllegalArgumentException("null fd"); 17122 } 17123 17124 ProcessRecord proc = findProcessLocked(process, userId, "dumpHeap"); 17125 if (proc == null || proc.thread == null) { 17126 throw new IllegalArgumentException("Unknown process: " + process); 17127 } 17128 17129 boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); 17130 if (!isDebuggable) { 17131 if ((proc.info.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { 17132 throw new SecurityException("Process not debuggable: " + proc); 17133 } 17134 } 17135 17136 proc.thread.dumpHeap(managed, path, fd); 17137 fd = null; 17138 return true; 17139 } 17140 } catch (RemoteException e) { 17141 throw new IllegalStateException("Process disappeared"); 17142 } finally { 17143 if (fd != null) { 17144 try { 17145 fd.close(); 17146 } catch (IOException e) { 17147 } 17148 } 17149 } 17150 } 17151 17152 /** In this method we try to acquire our lock to make sure that we have not deadlocked */ 17153 public void monitor() { 17154 synchronized (this) { } 17155 } 17156 17157 void onCoreSettingsChange(Bundle settings) { 17158 for (int i = mLruProcesses.size() - 1; i >= 0; i--) { 17159 ProcessRecord processRecord = mLruProcesses.get(i); 17160 try { 17161 if (processRecord.thread != null) { 17162 processRecord.thread.setCoreSettings(settings); 17163 } 17164 } catch (RemoteException re) { 17165 /* ignore */ 17166 } 17167 } 17168 } 17169 17170 // Multi-user methods 17171 17172 /** 17173 * Start user, if its not already running, but don't bring it to foreground. 17174 */ 17175 @Override 17176 public boolean startUserInBackground(final int userId) { 17177 return startUser(userId, /* foreground */ false); 17178 } 17179 17180 /** 17181 * Refreshes the list of users related to the current user when either a 17182 * user switch happens or when a new related user is started in the 17183 * background. 17184 */ 17185 private void updateCurrentProfileIdsLocked() { 17186 final List<UserInfo> profiles = getUserManagerLocked().getProfiles( 17187 mCurrentUserId, false /* enabledOnly */); 17188 int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null 17189 for (int i = 0; i < currentProfileIds.length; i++) { 17190 currentProfileIds[i] = profiles.get(i).id; 17191 } 17192 mCurrentProfileIds = currentProfileIds; 17193 17194 synchronized (mUserProfileGroupIdsSelfLocked) { 17195 mUserProfileGroupIdsSelfLocked.clear(); 17196 final List<UserInfo> users = getUserManagerLocked().getUsers(false); 17197 for (int i = 0; i < users.size(); i++) { 17198 UserInfo user = users.get(i); 17199 if (user.profileGroupId != UserInfo.NO_PROFILE_GROUP_ID) { 17200 mUserProfileGroupIdsSelfLocked.put(user.id, user.profileGroupId); 17201 } 17202 } 17203 } 17204 } 17205 17206 private Set getProfileIdsLocked(int userId) { 17207 Set userIds = new HashSet<Integer>(); 17208 final List<UserInfo> profiles = getUserManagerLocked().getProfiles( 17209 userId, false /* enabledOnly */); 17210 for (UserInfo user : profiles) { 17211 userIds.add(Integer.valueOf(user.id)); 17212 } 17213 return userIds; 17214 } 17215 17216 @Override 17217 public boolean switchUser(final int userId) { 17218 return startUser(userId, /* foregound */ true); 17219 } 17220 17221 private boolean startUser(final int userId, boolean foreground) { 17222 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 17223 != PackageManager.PERMISSION_GRANTED) { 17224 String msg = "Permission Denial: switchUser() from pid=" 17225 + Binder.getCallingPid() 17226 + ", uid=" + Binder.getCallingUid() 17227 + " requires " + INTERACT_ACROSS_USERS_FULL; 17228 Slog.w(TAG, msg); 17229 throw new SecurityException(msg); 17230 } 17231 17232 if (DEBUG_MU) Slog.i(TAG_MU, "starting userid:" + userId + " fore:" + foreground); 17233 17234 final long ident = Binder.clearCallingIdentity(); 17235 try { 17236 synchronized (this) { 17237 final int oldUserId = mCurrentUserId; 17238 if (oldUserId == userId) { 17239 return true; 17240 } 17241 17242 mStackSupervisor.setLockTaskModeLocked(null, false); 17243 17244 final UserInfo userInfo = getUserManagerLocked().getUserInfo(userId); 17245 if (userInfo == null) { 17246 Slog.w(TAG, "No user info for user #" + userId); 17247 return false; 17248 } 17249 if (foreground && userInfo.isManagedProfile()) { 17250 Slog.w(TAG, "Cannot switch to User #" + userId + ": not a full user"); 17251 return false; 17252 } 17253 17254 if (foreground) { 17255 mWindowManager.startFreezingScreen(R.anim.screen_user_exit, 17256 R.anim.screen_user_enter); 17257 } 17258 17259 boolean needStart = false; 17260 17261 // If the user we are switching to is not currently started, then 17262 // we need to start it now. 17263 if (mStartedUsers.get(userId) == null) { 17264 mStartedUsers.put(userId, new UserStartedState(new UserHandle(userId), false)); 17265 updateStartedUserArrayLocked(); 17266 needStart = true; 17267 } 17268 17269 final Integer userIdInt = Integer.valueOf(userId); 17270 mUserLru.remove(userIdInt); 17271 mUserLru.add(userIdInt); 17272 17273 if (foreground) { 17274 mCurrentUserId = userId; 17275 updateCurrentProfileIdsLocked(); 17276 mWindowManager.setCurrentUser(userId, mCurrentProfileIds); 17277 // Once the internal notion of the active user has switched, we lock the device 17278 // with the option to show the user switcher on the keyguard. 17279 mWindowManager.lockNow(null); 17280 } else { 17281 final Integer currentUserIdInt = Integer.valueOf(mCurrentUserId); 17282 updateCurrentProfileIdsLocked(); 17283 mWindowManager.setCurrentProfileIds(mCurrentProfileIds); 17284 mUserLru.remove(currentUserIdInt); 17285 mUserLru.add(currentUserIdInt); 17286 } 17287 17288 final UserStartedState uss = mStartedUsers.get(userId); 17289 17290 // Make sure user is in the started state. If it is currently 17291 // stopping, we need to knock that off. 17292 if (uss.mState == UserStartedState.STATE_STOPPING) { 17293 // If we are stopping, we haven't sent ACTION_SHUTDOWN, 17294 // so we can just fairly silently bring the user back from 17295 // the almost-dead. 17296 uss.mState = UserStartedState.STATE_RUNNING; 17297 updateStartedUserArrayLocked(); 17298 needStart = true; 17299 } else if (uss.mState == UserStartedState.STATE_SHUTDOWN) { 17300 // This means ACTION_SHUTDOWN has been sent, so we will 17301 // need to treat this as a new boot of the user. 17302 uss.mState = UserStartedState.STATE_BOOTING; 17303 updateStartedUserArrayLocked(); 17304 needStart = true; 17305 } 17306 17307 if (uss.mState == UserStartedState.STATE_BOOTING) { 17308 // Booting up a new user, need to tell system services about it. 17309 // Note that this is on the same handler as scheduling of broadcasts, 17310 // which is important because it needs to go first. 17311 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_START_MSG, userId)); 17312 } 17313 17314 if (foreground) { 17315 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_CURRENT_MSG, userId, 17316 oldUserId)); 17317 mHandler.removeMessages(REPORT_USER_SWITCH_MSG); 17318 mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); 17319 mHandler.sendMessage(mHandler.obtainMessage(REPORT_USER_SWITCH_MSG, 17320 oldUserId, userId, uss)); 17321 mHandler.sendMessageDelayed(mHandler.obtainMessage(USER_SWITCH_TIMEOUT_MSG, 17322 oldUserId, userId, uss), USER_SWITCH_TIMEOUT); 17323 } 17324 17325 if (needStart) { 17326 // Send USER_STARTED broadcast 17327 Intent intent = new Intent(Intent.ACTION_USER_STARTED); 17328 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 17329 | Intent.FLAG_RECEIVER_FOREGROUND); 17330 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17331 broadcastIntentLocked(null, null, intent, 17332 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 17333 false, false, MY_PID, Process.SYSTEM_UID, userId); 17334 } 17335 17336 if ((userInfo.flags&UserInfo.FLAG_INITIALIZED) == 0) { 17337 if (userId != UserHandle.USER_OWNER) { 17338 // Send PRE_BOOT_COMPLETED broadcasts for this new user 17339 final ArrayList<ComponentName> doneReceivers 17340 = new ArrayList<ComponentName>(); 17341 deliverPreBootCompleted(null, doneReceivers, userId); 17342 17343 Intent intent = new Intent(Intent.ACTION_USER_INITIALIZE); 17344 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 17345 broadcastIntentLocked(null, null, intent, null, 17346 new IIntentReceiver.Stub() { 17347 public void performReceive(Intent intent, int resultCode, 17348 String data, Bundle extras, boolean ordered, 17349 boolean sticky, int sendingUser) { 17350 userInitialized(uss, userId); 17351 } 17352 }, 0, null, null, null, AppOpsManager.OP_NONE, 17353 true, false, MY_PID, Process.SYSTEM_UID, 17354 userId); 17355 uss.initializing = true; 17356 } else { 17357 getUserManagerLocked().makeInitialized(userInfo.id); 17358 } 17359 } 17360 17361 if (foreground) { 17362 boolean homeInFront = mStackSupervisor.switchUserLocked(userId, uss); 17363 if (homeInFront) { 17364 startHomeActivityLocked(userId); 17365 } else { 17366 mStackSupervisor.resumeTopActivitiesLocked(); 17367 } 17368 EventLogTags.writeAmSwitchUser(userId); 17369 getUserManagerLocked().userForeground(userId); 17370 sendUserSwitchBroadcastsLocked(oldUserId, userId); 17371 } else { 17372 mStackSupervisor.startBackgroundUserLocked(userId, uss); 17373 } 17374 17375 if (needStart) { 17376 Intent intent = new Intent(Intent.ACTION_USER_STARTING); 17377 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 17378 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17379 broadcastIntentLocked(null, null, intent, 17380 null, new IIntentReceiver.Stub() { 17381 @Override 17382 public void performReceive(Intent intent, int resultCode, String data, 17383 Bundle extras, boolean ordered, boolean sticky, int sendingUser) 17384 throws RemoteException { 17385 } 17386 }, 0, null, null, 17387 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 17388 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 17389 } 17390 } 17391 } finally { 17392 Binder.restoreCallingIdentity(ident); 17393 } 17394 17395 return true; 17396 } 17397 17398 void sendUserSwitchBroadcastsLocked(int oldUserId, int newUserId) { 17399 long ident = Binder.clearCallingIdentity(); 17400 try { 17401 Intent intent; 17402 if (oldUserId >= 0) { 17403 // Send USER_BACKGROUND broadcast to all profiles of the outgoing user 17404 List<UserInfo> profiles = mUserManager.getProfiles(oldUserId, false); 17405 int count = profiles.size(); 17406 for (int i = 0; i < count; i++) { 17407 int profileUserId = profiles.get(i).id; 17408 intent = new Intent(Intent.ACTION_USER_BACKGROUND); 17409 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 17410 | Intent.FLAG_RECEIVER_FOREGROUND); 17411 intent.putExtra(Intent.EXTRA_USER_HANDLE, profileUserId); 17412 broadcastIntentLocked(null, null, intent, 17413 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 17414 false, false, MY_PID, Process.SYSTEM_UID, profileUserId); 17415 } 17416 } 17417 if (newUserId >= 0) { 17418 // Send USER_FOREGROUND broadcast to all profiles of the incoming user 17419 List<UserInfo> profiles = mUserManager.getProfiles(newUserId, false); 17420 int count = profiles.size(); 17421 for (int i = 0; i < count; i++) { 17422 int profileUserId = profiles.get(i).id; 17423 intent = new Intent(Intent.ACTION_USER_FOREGROUND); 17424 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 17425 | Intent.FLAG_RECEIVER_FOREGROUND); 17426 intent.putExtra(Intent.EXTRA_USER_HANDLE, profileUserId); 17427 broadcastIntentLocked(null, null, intent, 17428 null, null, 0, null, null, null, AppOpsManager.OP_NONE, 17429 false, false, MY_PID, Process.SYSTEM_UID, profileUserId); 17430 } 17431 intent = new Intent(Intent.ACTION_USER_SWITCHED); 17432 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY 17433 | Intent.FLAG_RECEIVER_FOREGROUND); 17434 intent.putExtra(Intent.EXTRA_USER_HANDLE, newUserId); 17435 broadcastIntentLocked(null, null, intent, 17436 null, null, 0, null, null, 17437 android.Manifest.permission.MANAGE_USERS, AppOpsManager.OP_NONE, 17438 false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 17439 } 17440 } finally { 17441 Binder.restoreCallingIdentity(ident); 17442 } 17443 } 17444 17445 void dispatchUserSwitch(final UserStartedState uss, final int oldUserId, 17446 final int newUserId) { 17447 final int N = mUserSwitchObservers.beginBroadcast(); 17448 if (N > 0) { 17449 final IRemoteCallback callback = new IRemoteCallback.Stub() { 17450 int mCount = 0; 17451 @Override 17452 public void sendResult(Bundle data) throws RemoteException { 17453 synchronized (ActivityManagerService.this) { 17454 if (mCurUserSwitchCallback == this) { 17455 mCount++; 17456 if (mCount == N) { 17457 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 17458 } 17459 } 17460 } 17461 } 17462 }; 17463 synchronized (this) { 17464 uss.switching = true; 17465 mCurUserSwitchCallback = callback; 17466 } 17467 for (int i=0; i<N; i++) { 17468 try { 17469 mUserSwitchObservers.getBroadcastItem(i).onUserSwitching( 17470 newUserId, callback); 17471 } catch (RemoteException e) { 17472 } 17473 } 17474 } else { 17475 synchronized (this) { 17476 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 17477 } 17478 } 17479 mUserSwitchObservers.finishBroadcast(); 17480 } 17481 17482 void timeoutUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { 17483 synchronized (this) { 17484 Slog.w(TAG, "User switch timeout: from " + oldUserId + " to " + newUserId); 17485 sendContinueUserSwitchLocked(uss, oldUserId, newUserId); 17486 } 17487 } 17488 17489 void sendContinueUserSwitchLocked(UserStartedState uss, int oldUserId, int newUserId) { 17490 mCurUserSwitchCallback = null; 17491 mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); 17492 mHandler.sendMessage(mHandler.obtainMessage(CONTINUE_USER_SWITCH_MSG, 17493 oldUserId, newUserId, uss)); 17494 } 17495 17496 void userInitialized(UserStartedState uss, int newUserId) { 17497 completeSwitchAndInitalize(uss, newUserId, true, false); 17498 } 17499 17500 void continueUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { 17501 completeSwitchAndInitalize(uss, newUserId, false, true); 17502 } 17503 17504 void completeSwitchAndInitalize(UserStartedState uss, int newUserId, 17505 boolean clearInitializing, boolean clearSwitching) { 17506 boolean unfrozen = false; 17507 synchronized (this) { 17508 if (clearInitializing) { 17509 uss.initializing = false; 17510 getUserManagerLocked().makeInitialized(uss.mHandle.getIdentifier()); 17511 } 17512 if (clearSwitching) { 17513 uss.switching = false; 17514 } 17515 if (!uss.switching && !uss.initializing) { 17516 mWindowManager.stopFreezingScreen(); 17517 unfrozen = true; 17518 } 17519 } 17520 if (unfrozen) { 17521 final int N = mUserSwitchObservers.beginBroadcast(); 17522 for (int i=0; i<N; i++) { 17523 try { 17524 mUserSwitchObservers.getBroadcastItem(i).onUserSwitchComplete(newUserId); 17525 } catch (RemoteException e) { 17526 } 17527 } 17528 mUserSwitchObservers.finishBroadcast(); 17529 } 17530 } 17531 17532 void scheduleStartProfilesLocked() { 17533 if (!mHandler.hasMessages(START_PROFILES_MSG)) { 17534 mHandler.sendMessageDelayed(mHandler.obtainMessage(START_PROFILES_MSG), 17535 DateUtils.SECOND_IN_MILLIS); 17536 } 17537 } 17538 17539 void startProfilesLocked() { 17540 if (DEBUG_MU) Slog.i(TAG_MU, "startProfilesLocked"); 17541 List<UserInfo> profiles = getUserManagerLocked().getProfiles( 17542 mCurrentUserId, false /* enabledOnly */); 17543 List<UserInfo> toStart = new ArrayList<UserInfo>(profiles.size()); 17544 for (UserInfo user : profiles) { 17545 if ((user.flags & UserInfo.FLAG_INITIALIZED) == UserInfo.FLAG_INITIALIZED 17546 && user.id != mCurrentUserId) { 17547 toStart.add(user); 17548 } 17549 } 17550 final int n = toStart.size(); 17551 int i = 0; 17552 for (; i < n && i < (MAX_RUNNING_USERS - 1); ++i) { 17553 startUserInBackground(toStart.get(i).id); 17554 } 17555 if (i < n) { 17556 Slog.w(TAG_MU, "More profiles than MAX_RUNNING_USERS"); 17557 } 17558 } 17559 17560 void finishUserBoot(UserStartedState uss) { 17561 synchronized (this) { 17562 if (uss.mState == UserStartedState.STATE_BOOTING 17563 && mStartedUsers.get(uss.mHandle.getIdentifier()) == uss) { 17564 uss.mState = UserStartedState.STATE_RUNNING; 17565 final int userId = uss.mHandle.getIdentifier(); 17566 Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); 17567 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17568 intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT); 17569 broadcastIntentLocked(null, null, intent, 17570 null, null, 0, null, null, 17571 android.Manifest.permission.RECEIVE_BOOT_COMPLETED, AppOpsManager.OP_NONE, 17572 true, false, MY_PID, Process.SYSTEM_UID, userId); 17573 } 17574 } 17575 } 17576 17577 void finishUserSwitch(UserStartedState uss) { 17578 synchronized (this) { 17579 finishUserBoot(uss); 17580 17581 startProfilesLocked(); 17582 17583 int num = mUserLru.size(); 17584 int i = 0; 17585 while (num > MAX_RUNNING_USERS && i < mUserLru.size()) { 17586 Integer oldUserId = mUserLru.get(i); 17587 UserStartedState oldUss = mStartedUsers.get(oldUserId); 17588 if (oldUss == null) { 17589 // Shouldn't happen, but be sane if it does. 17590 mUserLru.remove(i); 17591 num--; 17592 continue; 17593 } 17594 if (oldUss.mState == UserStartedState.STATE_STOPPING 17595 || oldUss.mState == UserStartedState.STATE_SHUTDOWN) { 17596 // This user is already stopping, doesn't count. 17597 num--; 17598 i++; 17599 continue; 17600 } 17601 if (oldUserId == UserHandle.USER_OWNER || oldUserId == mCurrentUserId) { 17602 // Owner and current can't be stopped, but count as running. 17603 i++; 17604 continue; 17605 } 17606 // This is a user to be stopped. 17607 stopUserLocked(oldUserId, null); 17608 num--; 17609 i++; 17610 } 17611 } 17612 } 17613 17614 @Override 17615 public int stopUser(final int userId, final IStopUserCallback callback) { 17616 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 17617 != PackageManager.PERMISSION_GRANTED) { 17618 String msg = "Permission Denial: switchUser() from pid=" 17619 + Binder.getCallingPid() 17620 + ", uid=" + Binder.getCallingUid() 17621 + " requires " + INTERACT_ACROSS_USERS_FULL; 17622 Slog.w(TAG, msg); 17623 throw new SecurityException(msg); 17624 } 17625 if (userId <= 0) { 17626 throw new IllegalArgumentException("Can't stop primary user " + userId); 17627 } 17628 synchronized (this) { 17629 return stopUserLocked(userId, callback); 17630 } 17631 } 17632 17633 private int stopUserLocked(final int userId, final IStopUserCallback callback) { 17634 if (DEBUG_MU) Slog.i(TAG_MU, "stopUserLocked userId=" + userId); 17635 if (mCurrentUserId == userId) { 17636 return ActivityManager.USER_OP_IS_CURRENT; 17637 } 17638 17639 final UserStartedState uss = mStartedUsers.get(userId); 17640 if (uss == null) { 17641 // User is not started, nothing to do... but we do need to 17642 // callback if requested. 17643 if (callback != null) { 17644 mHandler.post(new Runnable() { 17645 @Override 17646 public void run() { 17647 try { 17648 callback.userStopped(userId); 17649 } catch (RemoteException e) { 17650 } 17651 } 17652 }); 17653 } 17654 return ActivityManager.USER_OP_SUCCESS; 17655 } 17656 17657 if (callback != null) { 17658 uss.mStopCallbacks.add(callback); 17659 } 17660 17661 if (uss.mState != UserStartedState.STATE_STOPPING 17662 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 17663 uss.mState = UserStartedState.STATE_STOPPING; 17664 updateStartedUserArrayLocked(); 17665 17666 long ident = Binder.clearCallingIdentity(); 17667 try { 17668 // We are going to broadcast ACTION_USER_STOPPING and then 17669 // once that is done send a final ACTION_SHUTDOWN and then 17670 // stop the user. 17671 final Intent stoppingIntent = new Intent(Intent.ACTION_USER_STOPPING); 17672 stoppingIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 17673 stoppingIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17674 stoppingIntent.putExtra(Intent.EXTRA_SHUTDOWN_USERSPACE_ONLY, true); 17675 final Intent shutdownIntent = new Intent(Intent.ACTION_SHUTDOWN); 17676 // This is the result receiver for the final shutdown broadcast. 17677 final IIntentReceiver shutdownReceiver = new IIntentReceiver.Stub() { 17678 @Override 17679 public void performReceive(Intent intent, int resultCode, String data, 17680 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 17681 finishUserStop(uss); 17682 } 17683 }; 17684 // This is the result receiver for the initial stopping broadcast. 17685 final IIntentReceiver stoppingReceiver = new IIntentReceiver.Stub() { 17686 @Override 17687 public void performReceive(Intent intent, int resultCode, String data, 17688 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 17689 // On to the next. 17690 synchronized (ActivityManagerService.this) { 17691 if (uss.mState != UserStartedState.STATE_STOPPING) { 17692 // Whoops, we are being started back up. Abort, abort! 17693 return; 17694 } 17695 uss.mState = UserStartedState.STATE_SHUTDOWN; 17696 } 17697 mBatteryStatsService.noteEvent( 17698 BatteryStats.HistoryItem.EVENT_USER_RUNNING_FINISH, 17699 Integer.toString(userId), userId); 17700 mSystemServiceManager.stopUser(userId); 17701 broadcastIntentLocked(null, null, shutdownIntent, 17702 null, shutdownReceiver, 0, null, null, null, AppOpsManager.OP_NONE, 17703 true, false, MY_PID, Process.SYSTEM_UID, userId); 17704 } 17705 }; 17706 // Kick things off. 17707 broadcastIntentLocked(null, null, stoppingIntent, 17708 null, stoppingReceiver, 0, null, null, 17709 INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, 17710 true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); 17711 } finally { 17712 Binder.restoreCallingIdentity(ident); 17713 } 17714 } 17715 17716 return ActivityManager.USER_OP_SUCCESS; 17717 } 17718 17719 void finishUserStop(UserStartedState uss) { 17720 final int userId = uss.mHandle.getIdentifier(); 17721 boolean stopped; 17722 ArrayList<IStopUserCallback> callbacks; 17723 synchronized (this) { 17724 callbacks = new ArrayList<IStopUserCallback>(uss.mStopCallbacks); 17725 if (mStartedUsers.get(userId) != uss) { 17726 stopped = false; 17727 } else if (uss.mState != UserStartedState.STATE_SHUTDOWN) { 17728 stopped = false; 17729 } else { 17730 stopped = true; 17731 // User can no longer run. 17732 mStartedUsers.remove(userId); 17733 mUserLru.remove(Integer.valueOf(userId)); 17734 updateStartedUserArrayLocked(); 17735 17736 // Clean up all state and processes associated with the user. 17737 // Kill all the processes for the user. 17738 forceStopUserLocked(userId, "finish user"); 17739 } 17740 17741 // Explicitly remove the old information in mRecentTasks. 17742 removeRecentTasksForUserLocked(userId); 17743 } 17744 17745 for (int i=0; i<callbacks.size(); i++) { 17746 try { 17747 if (stopped) callbacks.get(i).userStopped(userId); 17748 else callbacks.get(i).userStopAborted(userId); 17749 } catch (RemoteException e) { 17750 } 17751 } 17752 17753 if (stopped) { 17754 mSystemServiceManager.cleanupUser(userId); 17755 synchronized (this) { 17756 mStackSupervisor.removeUserLocked(userId); 17757 } 17758 } 17759 } 17760 17761 @Override 17762 public UserInfo getCurrentUser() { 17763 if ((checkCallingPermission(INTERACT_ACROSS_USERS) 17764 != PackageManager.PERMISSION_GRANTED) && ( 17765 checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 17766 != PackageManager.PERMISSION_GRANTED)) { 17767 String msg = "Permission Denial: getCurrentUser() from pid=" 17768 + Binder.getCallingPid() 17769 + ", uid=" + Binder.getCallingUid() 17770 + " requires " + INTERACT_ACROSS_USERS; 17771 Slog.w(TAG, msg); 17772 throw new SecurityException(msg); 17773 } 17774 synchronized (this) { 17775 return getUserManagerLocked().getUserInfo(mCurrentUserId); 17776 } 17777 } 17778 17779 int getCurrentUserIdLocked() { 17780 return mCurrentUserId; 17781 } 17782 17783 @Override 17784 public boolean isUserRunning(int userId, boolean orStopped) { 17785 if (checkCallingPermission(INTERACT_ACROSS_USERS) 17786 != PackageManager.PERMISSION_GRANTED) { 17787 String msg = "Permission Denial: isUserRunning() from pid=" 17788 + Binder.getCallingPid() 17789 + ", uid=" + Binder.getCallingUid() 17790 + " requires " + INTERACT_ACROSS_USERS; 17791 Slog.w(TAG, msg); 17792 throw new SecurityException(msg); 17793 } 17794 synchronized (this) { 17795 return isUserRunningLocked(userId, orStopped); 17796 } 17797 } 17798 17799 boolean isUserRunningLocked(int userId, boolean orStopped) { 17800 UserStartedState state = mStartedUsers.get(userId); 17801 if (state == null) { 17802 return false; 17803 } 17804 if (orStopped) { 17805 return true; 17806 } 17807 return state.mState != UserStartedState.STATE_STOPPING 17808 && state.mState != UserStartedState.STATE_SHUTDOWN; 17809 } 17810 17811 @Override 17812 public int[] getRunningUserIds() { 17813 if (checkCallingPermission(INTERACT_ACROSS_USERS) 17814 != PackageManager.PERMISSION_GRANTED) { 17815 String msg = "Permission Denial: isUserRunning() from pid=" 17816 + Binder.getCallingPid() 17817 + ", uid=" + Binder.getCallingUid() 17818 + " requires " + INTERACT_ACROSS_USERS; 17819 Slog.w(TAG, msg); 17820 throw new SecurityException(msg); 17821 } 17822 synchronized (this) { 17823 return mStartedUserArray; 17824 } 17825 } 17826 17827 private void updateStartedUserArrayLocked() { 17828 int num = 0; 17829 for (int i=0; i<mStartedUsers.size(); i++) { 17830 UserStartedState uss = mStartedUsers.valueAt(i); 17831 // This list does not include stopping users. 17832 if (uss.mState != UserStartedState.STATE_STOPPING 17833 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 17834 num++; 17835 } 17836 } 17837 mStartedUserArray = new int[num]; 17838 num = 0; 17839 for (int i=0; i<mStartedUsers.size(); i++) { 17840 UserStartedState uss = mStartedUsers.valueAt(i); 17841 if (uss.mState != UserStartedState.STATE_STOPPING 17842 && uss.mState != UserStartedState.STATE_SHUTDOWN) { 17843 mStartedUserArray[num] = mStartedUsers.keyAt(i); 17844 num++; 17845 } 17846 } 17847 } 17848 17849 @Override 17850 public void registerUserSwitchObserver(IUserSwitchObserver observer) { 17851 if (checkCallingPermission(INTERACT_ACROSS_USERS_FULL) 17852 != PackageManager.PERMISSION_GRANTED) { 17853 String msg = "Permission Denial: registerUserSwitchObserver() from pid=" 17854 + Binder.getCallingPid() 17855 + ", uid=" + Binder.getCallingUid() 17856 + " requires " + INTERACT_ACROSS_USERS_FULL; 17857 Slog.w(TAG, msg); 17858 throw new SecurityException(msg); 17859 } 17860 17861 mUserSwitchObservers.register(observer); 17862 } 17863 17864 @Override 17865 public void unregisterUserSwitchObserver(IUserSwitchObserver observer) { 17866 mUserSwitchObservers.unregister(observer); 17867 } 17868 17869 private boolean userExists(int userId) { 17870 if (userId == 0) { 17871 return true; 17872 } 17873 UserManagerService ums = getUserManagerLocked(); 17874 return ums != null ? (ums.getUserInfo(userId) != null) : false; 17875 } 17876 17877 int[] getUsersLocked() { 17878 UserManagerService ums = getUserManagerLocked(); 17879 return ums != null ? ums.getUserIds() : new int[] { 0 }; 17880 } 17881 17882 UserManagerService getUserManagerLocked() { 17883 if (mUserManager == null) { 17884 IBinder b = ServiceManager.getService(Context.USER_SERVICE); 17885 mUserManager = (UserManagerService)IUserManager.Stub.asInterface(b); 17886 } 17887 return mUserManager; 17888 } 17889 17890 private int applyUserId(int uid, int userId) { 17891 return UserHandle.getUid(userId, uid); 17892 } 17893 17894 ApplicationInfo getAppInfoForUser(ApplicationInfo info, int userId) { 17895 if (info == null) return null; 17896 ApplicationInfo newInfo = new ApplicationInfo(info); 17897 newInfo.uid = applyUserId(info.uid, userId); 17898 newInfo.dataDir = USER_DATA_DIR + userId + "/" 17899 + info.packageName; 17900 return newInfo; 17901 } 17902 17903 ActivityInfo getActivityInfoForUser(ActivityInfo aInfo, int userId) { 17904 if (aInfo == null 17905 || (userId < 1 && aInfo.applicationInfo.uid < UserHandle.PER_USER_RANGE)) { 17906 return aInfo; 17907 } 17908 17909 ActivityInfo info = new ActivityInfo(aInfo); 17910 info.applicationInfo = getAppInfoForUser(info.applicationInfo, userId); 17911 return info; 17912 } 17913 17914 private final class LocalService extends ActivityManagerInternal { 17915 @Override 17916 public void goingToSleep() { 17917 ActivityManagerService.this.goingToSleep(); 17918 } 17919 17920 @Override 17921 public void wakingUp() { 17922 ActivityManagerService.this.wakingUp(); 17923 } 17924 17925 @Override 17926 public int startIsolatedProcess(String entryPoint, String[] entryPointArgs, 17927 String processName, String abiOverride, int uid, Runnable crashHandler) { 17928 return ActivityManagerService.this.startIsolatedProcess(entryPoint, entryPointArgs, 17929 processName, abiOverride, uid, crashHandler); 17930 } 17931 } 17932 17933 /** 17934 * An implementation of IAppTask, that allows an app to manage its own tasks via 17935 * {@link android.app.ActivityManager.AppTask}. We keep track of the callingUid to ensure that 17936 * only the process that calls getAppTasks() can call the AppTask methods. 17937 */ 17938 class AppTaskImpl extends IAppTask.Stub { 17939 private int mTaskId; 17940 private int mCallingUid; 17941 17942 public AppTaskImpl(int taskId, int callingUid) { 17943 mTaskId = taskId; 17944 mCallingUid = callingUid; 17945 } 17946 17947 @Override 17948 public void finishAndRemoveTask() { 17949 // Ensure that we are called from the same process that created this AppTask 17950 if (mCallingUid != Binder.getCallingUid()) { 17951 Slog.w(TAG, "finishAndRemoveTask: caller " + mCallingUid 17952 + " does not match caller of getAppTasks(): " + Binder.getCallingUid()); 17953 return; 17954 } 17955 17956 synchronized (ActivityManagerService.this) { 17957 long origId = Binder.clearCallingIdentity(); 17958 try { 17959 TaskRecord tr = recentTaskForIdLocked(mTaskId); 17960 if (tr != null) { 17961 // Only kill the process if we are not a new document 17962 int flags = tr.getBaseIntent().getFlags(); 17963 boolean isDocument = (flags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) == 17964 Intent.FLAG_ACTIVITY_NEW_DOCUMENT; 17965 removeTaskByIdLocked(mTaskId, 17966 !isDocument ? ActivityManager.REMOVE_TASK_KILL_PROCESS : 0); 17967 } 17968 } finally { 17969 Binder.restoreCallingIdentity(origId); 17970 } 17971 } 17972 } 17973 17974 @Override 17975 public ActivityManager.RecentTaskInfo getTaskInfo() { 17976 // Ensure that we are called from the same process that created this AppTask 17977 if (mCallingUid != Binder.getCallingUid()) { 17978 Slog.w(TAG, "finishAndRemoveTask: caller " + mCallingUid 17979 + " does not match caller of getAppTasks(): " + Binder.getCallingUid()); 17980 return null; 17981 } 17982 17983 synchronized (ActivityManagerService.this) { 17984 long origId = Binder.clearCallingIdentity(); 17985 try { 17986 TaskRecord tr = recentTaskForIdLocked(mTaskId); 17987 if (tr != null) { 17988 return createRecentTaskInfoFromTaskRecord(tr); 17989 } 17990 } finally { 17991 Binder.restoreCallingIdentity(origId); 17992 } 17993 return null; 17994 } 17995 } 17996 } 17997} 17998