diff options
Diffstat (limited to 'services/java/com/android/server/am/ActivityManagerService.java')
| -rw-r--r-- | services/java/com/android/server/am/ActivityManagerService.java | 329 |
1 files changed, 252 insertions, 77 deletions
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java index 6e4759d..6467b7a 100644 --- a/services/java/com/android/server/am/ActivityManagerService.java +++ b/services/java/com/android/server/am/ActivityManagerService.java @@ -46,6 +46,7 @@ import android.app.IInstrumentationWatcher; import android.app.INotificationManager; import android.app.IProcessObserver; import android.app.IServiceConnection; +import android.app.IStopUserCallback; import android.app.IThumbnailReceiver; import android.app.Instrumentation; import android.app.Notification; @@ -428,6 +429,11 @@ public final class ActivityManagerService extends ActivityManagerNative long mPreviousProcessVisibleTime; /** + * Which uses have been started, so are allowed to run code. + */ + final SparseArray<UserStartedState> mStartedUsers = new SparseArray<UserStartedState>(); + + /** * Packages that the user has asked to have run in screen size * compatibility mode instead of filling the screen. */ @@ -791,7 +797,6 @@ public final class ActivityManagerService extends ActivityManagerNative static ActivityThread mSystemThread; private int mCurrentUserId; - private SparseIntArray mLoggedInUsers = new SparseIntArray(5); private UserManager mUserManager; private final class AppDeathRecipient implements IBinder.DeathRecipient { @@ -1506,6 +1511,9 @@ public final class ActivityManagerService extends ActivityManagerNative systemDir, "usagestats").toString()); mHeadless = "1".equals(SystemProperties.get("ro.config.headless", "0")); + // User 0 is the first and only user that runs at boot. + mStartedUsers.put(0, new UserStartedState(new UserHandle(0), true)); + GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version", ConfigurationInfo.GL_ES_VERSION_UNDEFINED); @@ -2095,7 +2103,7 @@ public final class ActivityManagerService extends ActivityManagerNative } } - boolean startHomeActivityLocked(int userId) { + boolean startHomeActivityLocked(int userId, UserStartedState startingUser) { if (mHeadless) { // Added because none of the other calls to ensureBootCompleted seem to fire // when running headless. @@ -2135,6 +2143,9 @@ public final class ActivityManagerService extends ActivityManagerNative null, null, 0, 0, 0, 0, null, false, null); } } + if (startingUser != null) { + mMainStack.addStartingUserLocked(startingUser); + } return true; } @@ -3454,7 +3465,7 @@ public final class ActivityManagerService extends ActivityManagerNative Slog.w(TAG, "Invalid packageName: " + packageName); return; } - killPackageProcessesLocked(packageName, pkgUid, + killPackageProcessesLocked(packageName, pkgUid, -1, ProcessList.SERVICE_ADJ, false, true, true, false, "kill background"); } } finally { @@ -3650,7 +3661,8 @@ public final class ActivityManagerService extends ActivityManagerNative } private void forceStopPackageLocked(final String packageName, int uid) { - forceStopPackageLocked(packageName, uid, false, false, true, false, UserHandle.getUserId(uid)); + forceStopPackageLocked(packageName, uid, false, false, true, false, + UserHandle.getUserId(uid)); Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, Uri.fromParts("package", packageName, null)); if (!mProcessesReady) { @@ -3662,16 +3674,27 @@ public final class ActivityManagerService extends ActivityManagerNative false, false, MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid)); } - + + private void forceStopUserLocked(int userId) { + forceStopPackageLocked(null, -1, false, false, true, false, userId); + Intent intent = new Intent(Intent.ACTION_USER_STOPPED); + intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); + intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); + broadcastIntentLocked(null, null, intent, + null, null, 0, null, null, null, + false, false, + MY_PID, Process.SYSTEM_UID, userId); + } + private final boolean killPackageProcessesLocked(String packageName, int uid, - int minOomAdj, boolean callerWillRestart, boolean allowRestart, boolean doit, - boolean evenPersistent, String reason) { + int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart, + boolean doit, boolean evenPersistent, String reason) { ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); // Remove all processes this package may have touched: all with the // same UID (except for the system or root user), and all whose name // matches the package name. - final String procNamePrefix = packageName + ":"; + final String procNamePrefix = packageName != null ? (packageName + ":") : null; for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { final int NA = apps.size(); for (int ia=0; ia<NA; ia++) { @@ -3684,6 +3707,18 @@ public final class ActivityManagerService extends ActivityManagerNative if (doit) { procs.add(app); } + // If no package is specified, we call all processes under the + // give user id. + } else if (packageName == null) { + if (app.userId == userId) { + if (app.setAdj >= minOomAdj) { + if (!doit) { + return true; + } + app.removed = true; + procs.add(app); + } + } // If uid is specified and the uid and process name match // Or, the uid is not specified and the process name matches } else if (((uid > 0 && uid != Process.SYSTEM_UID && app.info.uid == uid) @@ -3714,7 +3749,7 @@ public final class ActivityManagerService extends ActivityManagerNative int i; int N; - if (uid < 0) { + if (uid < 0 && name != null) { try { uid = AppGlobals.getPackageManager().getPackageUid(name, userId); } catch (RemoteException e) { @@ -3722,24 +3757,45 @@ public final class ActivityManagerService extends ActivityManagerNative } if (doit) { - Slog.i(TAG, "Force stopping package " + name + " uid=" + uid); + if (name != null) { + Slog.i(TAG, "Force stopping package " + name + " uid=" + uid); + } else { + Slog.i(TAG, "Force stopping user " + userId); + } Iterator<SparseArray<Long>> badApps = mProcessCrashTimes.getMap().values().iterator(); while (badApps.hasNext()) { SparseArray<Long> ba = badApps.next(); - if (ba.get(uid) != null) { + for (i=ba.size()-1; i>=0; i--) { + boolean remove = false; + final int entUid = ba.keyAt(i); + if (name != null) { + if (entUid == uid) { + remove = true; + } + } else if (UserHandle.getUserId(entUid) == userId) { + remove = true; + } + if (remove) { + ba.removeAt(i); + } + } + if (ba.size() == 0) { badApps.remove(); } } } - - boolean didSomething = killPackageProcessesLocked(name, uid, -100, - callerWillRestart, false, doit, evenPersistent, "force stop"); + + boolean didSomething = killPackageProcessesLocked(name, uid, + name == null ? userId : -1 , -100, callerWillRestart, false, + doit, evenPersistent, + name == null ? ("force stop user " + userId) : ("force stop " + name)); TaskRecord lastTask = null; for (i=0; i<mMainStack.mHistory.size(); i++) { ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); - final boolean samePackage = r.packageName.equals(name); + final boolean samePackage = r.packageName.equals(name) + || (name == null && r.userId == userId); if (r.userId == userId && (samePackage || r.task == lastTask) && (r.app == null || evenPersistent || !r.app.persistent)) { @@ -3776,7 +3832,7 @@ public final class ActivityManagerService extends ActivityManagerNative ArrayList<ContentProviderRecord> providers = new ArrayList<ContentProviderRecord>(); for (ContentProviderRecord provider : mProviderMap.getProvidersByClass(userId).values()) { - if (provider.info.packageName.equals(name) + if ((name == null || provider.info.packageName.equals(name)) && (provider.proc == null || evenPersistent || !provider.proc.persistent)) { if (!doit) { return true; @@ -3792,7 +3848,7 @@ public final class ActivityManagerService extends ActivityManagerNative } if (doit) { - if (purgeCache) { + if (purgeCache && name != null) { AttributeCache ac = AttributeCache.instance(); if (ac != null) { ac.removePackage(name); @@ -4197,15 +4253,6 @@ public final class ActivityManagerService extends ActivityManagerNative } }, pkgFilter); - IntentFilter userFilter = new IntentFilter(); - userFilter.addAction(Intent.ACTION_USER_REMOVED); - mContext.registerReceiver(new BroadcastReceiver() { - @Override - public void onReceive(Context context, Intent intent) { - onUserRemoved(intent); - } - }, userFilter); - synchronized (this) { // Ensure that any processes we had put on hold are now started // up. @@ -4227,13 +4274,17 @@ public final class ActivityManagerService extends ActivityManagerNative // Tell anyone interested that we are done booting! SystemProperties.set("sys.boot_completed", "1"); SystemProperties.set("dev.bootcomplete", "1"); - List<UserInfo> users = getUserManager().getUsers(); - for (UserInfo user : users) { - broadcastIntentLocked(null, null, - new Intent(Intent.ACTION_BOOT_COMPLETED, null), - null, null, 0, null, null, - android.Manifest.permission.RECEIVE_BOOT_COMPLETED, - false, false, MY_PID, Process.SYSTEM_UID, user.id); + for (int i=0; i<mStartedUsers.size(); i++) { + UserStartedState uss = mStartedUsers.valueAt(i); + if (uss.mState == UserStartedState.STATE_BOOTING) { + uss.mState = UserStartedState.STATE_RUNNING; + broadcastIntentLocked(null, null, + new Intent(Intent.ACTION_BOOT_COMPLETED, null), + null, null, 0, null, null, + android.Manifest.permission.RECEIVE_BOOT_COMPLETED, + false, false, MY_PID, Process.SYSTEM_UID, + mStartedUsers.keyAt(i)); + } } } } @@ -6296,6 +6347,16 @@ public final class ActivityManagerService extends ActivityManagerNative "Attempt to launch content provider before system ready"); } + // Make sure that the user who owns this provider is started. If not, + // we don't want to allow it to run. + if (mStartedUsers.get(userId) == null) { + Slog.w(TAG, "Unable to launch app " + + cpi.applicationInfo.packageName + "/" + + cpi.applicationInfo.uid + " for provider " + + name + ": user " + userId + " is stopped"); + return null; + } + ComponentName comp = new ComponentName(cpi.packageName, cpi.name); cpr = mProviderMap.getProviderByClass(comp, userId); final boolean firstClass = cpr == null; @@ -9047,6 +9108,13 @@ public final class ActivityManagerService extends ActivityManagerNative } pw.println(); + pw.println(" mStartedUsers:"); + for (int i=0; i<mStartedUsers.size(); i++) { + UserStartedState uss = mStartedUsers.valueAt(i); + pw.print(" User #"); pw.print(uss.mHandle.getIdentifier()); + pw.println(":"); + uss.dump(" ", pw); + } pw.println(" mHomeProcess: " + mHomeProcess); pw.println(" mPreviousProcess: " + mPreviousProcess); if (dumpAll) { @@ -11106,6 +11174,14 @@ public final class ActivityManagerService extends ActivityManagerNative } } + // Make sure that the user who is receiving this broadcast is started + // If not, we will just skip it. + if (mStartedUsers.get(userId) == null) { + Slog.w(TAG, "Skipping broadcast of " + intent + + ": user " + userId + " is stopped"); + return ActivityManager.BROADCAST_SUCCESS; + } + // Handle special intents: if this broadcast is from the package // manager about a package being removed, we need to remove all of // its activities from the history stack. @@ -11648,7 +11724,7 @@ public final class ActivityManagerService extends ActivityManagerNative app.instrumentationProfileFile = null; app.instrumentationArguments = null; - forceStopPackageLocked(app.processName, -1, false, false, true, true, app.userId); + forceStopPackageLocked(app.info.packageName, -1, false, false, true, true, app.userId); } public void finishInstrumentation(IApplicationThread target, @@ -13490,75 +13566,174 @@ public final class ActivityManagerService extends ActivityManagerNative // Multi-user methods + @Override public boolean switchUser(int userId) { - final int callingUid = Binder.getCallingUid(); - if (callingUid != 0 && callingUid != Process.myUid()) { - Slog.e(TAG, "Trying to switch user from unauthorized app"); - return false; + if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) + != PackageManager.PERMISSION_GRANTED) { + String msg = "Permission Denial: switchUser() from pid=" + + Binder.getCallingPid() + + ", uid=" + Binder.getCallingUid() + + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; + Slog.w(TAG, msg); + throw new SecurityException(msg); } - if (mCurrentUserId == userId) - return true; - synchronized (this) { - // Check if user is already logged in, otherwise check if user exists first before - // adding to the list of logged in users. - if (mLoggedInUsers.indexOfKey(userId) < 0) { - if (!userExists(userId)) { - return false; - } - mLoggedInUsers.append(userId, userId); + if (mCurrentUserId == userId) { + return true; + } + + // If the user we are switching to is not currently started, then + // we need to start it now. + if (mStartedUsers.get(userId) == null) { + mStartedUsers.put(userId, new UserStartedState(new UserHandle(userId), false)); } mCurrentUserId = userId; boolean haveActivities = mMainStack.switchUser(userId); if (!haveActivities) { - startHomeActivityLocked(userId); + startHomeActivityLocked(userId, mStartedUsers.get(userId)); } - } - // Inform of user switch - Intent addedIntent = new Intent(Intent.ACTION_USER_SWITCHED); - addedIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); - mContext.sendBroadcast(addedIntent, android.Manifest.permission.MANAGE_USERS); + long ident = Binder.clearCallingIdentity(); + try { + // Inform of user switch + Intent addedIntent = new Intent(Intent.ACTION_USER_SWITCHED); + addedIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); + mContext.sendBroadcast(addedIntent, android.Manifest.permission.MANAGE_USERS); + } finally { + Binder.restoreCallingIdentity(ident); + } return true; } - @Override - public UserInfo getCurrentUser() throws RemoteException { - final int callingUid = Binder.getCallingUid(); - if (callingUid != 0 && callingUid != Process.myUid()) { - Slog.e(TAG, "Trying to get user from unauthorized app"); - return null; + void finishUserSwitch(UserStartedState uss) { + synchronized (this) { + if (uss.mState == UserStartedState.STATE_BOOTING + && mStartedUsers.get(uss.mHandle.getIdentifier()) == uss) { + uss.mState = UserStartedState.STATE_RUNNING; + broadcastIntentLocked(null, null, + new Intent(Intent.ACTION_BOOT_COMPLETED, null), + null, null, 0, null, null, + android.Manifest.permission.RECEIVE_BOOT_COMPLETED, + false, false, MY_PID, Process.SYSTEM_UID, uss.mHandle.getIdentifier()); + } } - return getUserManager().getUserInfo(mCurrentUserId); } - private void onUserRemoved(Intent intent) { - int extraUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); - if (extraUserId < 1) return; - - // Kill all the processes for the user - ArrayList<Pair<String, Integer>> pkgAndUids = new ArrayList<Pair<String,Integer>>(); + @Override + public int stopUser(final int userId, final IStopUserCallback callback) { + if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) + != PackageManager.PERMISSION_GRANTED) { + String msg = "Permission Denial: switchUser() from pid=" + + Binder.getCallingPid() + + ", uid=" + Binder.getCallingUid() + + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; + Slog.w(TAG, msg); + throw new SecurityException(msg); + } + if (userId <= 0) { + throw new IllegalArgumentException("Can't stop primary user " + userId); + } synchronized (this) { - HashMap<String,SparseArray<ProcessRecord>> map = mProcessNames.getMap(); - for (Entry<String, SparseArray<ProcessRecord>> uidMap : map.entrySet()) { - SparseArray<ProcessRecord> uids = uidMap.getValue(); - for (int i = 0; i < uids.size(); i++) { - if (UserHandle.getUserId(uids.keyAt(i)) == extraUserId) { - pkgAndUids.add(new Pair<String,Integer>(uidMap.getKey(), uids.keyAt(i))); - } + if (mCurrentUserId == userId) { + return ActivityManager.USER_OP_IS_CURRENT; + } + + final UserStartedState uss = mStartedUsers.get(userId); + if (uss == null) { + // User is not started, nothing to do... but we do need to + // callback if requested. + if (callback != null) { + mHandler.post(new Runnable() { + @Override + public void run() { + try { + callback.userStopped(userId); + } catch (RemoteException e) { + } + } + }); + } + return ActivityManager.USER_OP_SUCCESS; + } + + if (callback != null) { + uss.mStopCallbacks.add(callback); + } + + if (uss.mState != UserStartedState.STATE_STOPPING) { + uss.mState = UserStartedState.STATE_STOPPING; + + long ident = Binder.clearCallingIdentity(); + try { + // Inform of user switch + Intent intent = new Intent(Intent.ACTION_SHUTDOWN); + final IIntentReceiver resultReceiver = new IIntentReceiver.Stub() { + @Override + public void performReceive(Intent intent, int resultCode, String data, + Bundle extras, boolean ordered, boolean sticky) { + finishUserStop(uss); + } + }; + broadcastIntentLocked(null, null, intent, + null, resultReceiver, 0, null, null, null, + true, false, MY_PID, Process.SYSTEM_UID, userId); + } finally { + Binder.restoreCallingIdentity(ident); } } + } + + return ActivityManager.USER_OP_SUCCESS; + } + + void finishUserStop(UserStartedState uss) { + final int userId = uss.mHandle.getIdentifier(); + boolean stopped; + ArrayList<IStopUserCallback> callbacks; + synchronized (this) { + callbacks = new ArrayList<IStopUserCallback>(uss.mStopCallbacks); + if (uss.mState != UserStartedState.STATE_STOPPING + || mStartedUsers.get(userId) != uss) { + stopped = false; + } else { + stopped = true; + // User can no longer run. + mStartedUsers.remove(userId); + + // Clean up all state and processes associated with the user. + // Kill all the processes for the user. + forceStopUserLocked(userId); + } + } - for (Pair<String,Integer> pkgAndUid : pkgAndUids) { - forceStopPackageLocked(pkgAndUid.first, pkgAndUid.second, - false, false, true, true, extraUserId); + for (int i=0; i<callbacks.size(); i++) { + try { + if (stopped) callbacks.get(i).userStopped(userId); + else callbacks.get(i).userStopAborted(userId); + } catch (RemoteException e) { } } } + @Override + public UserInfo getCurrentUser() { + if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) + != PackageManager.PERMISSION_GRANTED) { + String msg = "Permission Denial: getCurrentUser() from pid=" + + Binder.getCallingPid() + + ", uid=" + Binder.getCallingUid() + + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; + Slog.w(TAG, msg); + throw new SecurityException(msg); + } + synchronized (this) { + return getUserManager().getUserInfo(mCurrentUserId); + } + } + private boolean userExists(int userId) { UserInfo user = getUserManager().getUserInfo(userId); return user != null; |