am a55987df: am 812b24fd: Merge "Fix crashes related to unmounting when app on... (2ae08f70) · Commits · e / os / android_frameworks_base

services/java/com/android/server/PackageManagerService.java

+101 −64

Original line number	Diff line number	Diff line
		@@ -621,11 +621,28 @@ class PackageManagerService extends IPackageManager.Stub {
		}
		} break;
		case UPDATED_MEDIA_STATUS: {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
		boolean reportStatus = msg.arg1 == 1;
		boolean doGc = msg.arg2 == 1;
		if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
		if (doGc) {
		// Force a gc to clear up stale containers.
		Runtime.getRuntime().gc();
		}
		if (msg.obj != null) {
		Set<SdInstallArgs> args = (Set<SdInstallArgs>) msg.obj;
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
		// Unload containers
		unloadAllContainers(args);
		}
		if (reportStatus) {
		try {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
		PackageHelper.getMountService().finishMediaUpdate();
		} catch (RemoteException e) {
		Log.e(TAG, "MountService not running?");
		}
		}
		} break;
		case WRITE_SETTINGS: {
		Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
		@@ -9465,9 +9482,9 @@ class PackageManagerService extends IPackageManager.Stub {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" +
		mediaStatus+", mMediaMounted=" + mMediaMounted);
		if (mediaStatus == mMediaMounted) {
		if (reportStatus) {
		mHandler.sendEmptyMessage(UPDATED_MEDIA_STATUS);
		}
		Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
		reportStatus ? 1 : 0, -1);
		mHandler.sendMessage(msg);
		return;
		}
		mMediaMounted = mediaStatus;
		@@ -9476,38 +9493,42 @@ class PackageManagerService extends IPackageManager.Stub {
		mHandler.post(new Runnable() {
		public void run() {
		mHandler.removeCallbacks(this);
		try {
		updateExternalMediaStatusInner(mediaStatus);
		} finally {
		if (reportStatus) {
		mHandler.sendEmptyMessage(UPDATED_MEDIA_STATUS);
		}
		}
		updateExternalMediaStatusInner(mediaStatus, reportStatus);
		}
		});
		}

		private void updateExternalMediaStatusInner(boolean mediaStatus) {
		// If we are up here that means there are packages to be
		// enabled or disabled.
		/*
		* Collect information of applications on external media, map them
		* against existing containers and update information based on current
		* mount status. Please note that we always have to report status
		* if reportStatus has been set to true especially when unloading packages.
		*/
		private void updateExternalMediaStatusInner(boolean mediaStatus,
		boolean reportStatus) {
		// Collection of uids
		int uidArr[] = null;
		// Collection of stale containers
		HashSet<String> removeCids = new HashSet<String>();
		// Collection of packages on external media with valid containers.
		HashMap<SdInstallArgs, String> processCids = new HashMap<SdInstallArgs, String>();
		// Get list of secure containers.
		final String list[] = PackageHelper.getSecureContainerList();
		if (list == null \|\| list.length == 0) {
		Log.i(TAG, "No secure containers on sdcard");
		return;
		}

		} else {
		// Process list of secure containers and categorize them
		// as active or stale based on their package internal state.
		int uidList[] = new int[list.length];
		int num = 0;
		HashSet<String> removeCids = new HashSet<String>();
		HashMap<SdInstallArgs, String> processCids = new HashMap<SdInstallArgs, String>();
		synchronized (mPackages) {
		for (String cid : list) {
		SdInstallArgs args = new SdInstallArgs(cid);
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Processing container " + cid);
		boolean failed = true;
		try {
		String pkgName = args.getPackageName();
		if (pkgName == null) {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale");
		removeCids.add(cid);
		continue;
		}
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Looking for pkg : " + pkgName);
		@@ -9519,23 +9540,18 @@ class PackageManagerService extends IPackageManager.Stub {
		" at code path: " + ps.codePathString);
		// We do have a valid package installed on sdcard
		processCids.put(args, ps.codePathString);
		failed = false;
		int uid = ps.userId;
		if (uid != -1) {
		uidList[num++] = uid;
		}
		}
		} finally {
		if (failed) {
		} else {
		// Stale container on sdcard. Just delete
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale");
		removeCids.add(cid);
		}
		}
		}
		}
		// Organize uids
		int uidArr[] = null;

		if (num > 0) {
		// Sort uid list
		Arrays.sort(uidList, 0, num);
		@@ -9549,6 +9565,7 @@ class PackageManagerService extends IPackageManager.Stub {
		}
		}
		}
		}
		// Process packages with valid entries.
		if (mediaStatus) {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading packages");
		@@ -9556,7 +9573,7 @@ class PackageManagerService extends IPackageManager.Stub {
		startCleaningPackages();
		} else {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading packages");
		unloadMediaPackages(processCids, uidArr);
		unloadMediaPackages(processCids, uidArr, reportStatus);
		}
		}

		@@ -9581,10 +9598,7 @@ class PackageManagerService extends IPackageManager.Stub {
		* Look at potentially valid container ids from processCids
		* If package information doesn't match the one on record
		* or package scanning fails, the cid is added to list of
		* removeCids and cleaned up. Since cleaning up containers
		* involves destroying them, we do not want any parse
		* references to such stale containers. So force gc's
		* to avoid unnecessary crashes.
		* removeCids. We currently don't delete stale containers.
		*/
		private void loadMediaPackages(HashMap<SdInstallArgs, String> processCids,
		int uidArr[], HashSet<String> removeCids) {
		@@ -9662,6 +9676,7 @@ class PackageManagerService extends IPackageManager.Stub {
		if (pkgList.size() > 0) {
		sendResourcesChangedBroadcast(true, pkgList, uidArr, null);
		}
		// Force gc to avoid any stale parser references that we might have.
		if (doGc) {
		Runtime.getRuntime().gc();
		}
		@@ -9673,12 +9688,33 @@ class PackageManagerService extends IPackageManager.Stub {
		}
		}

		/*
		* Utility method to unload a list of specified containers
		*/
		private void unloadAllContainers(Set<SdInstallArgs> cidArgs) {
		// Just unmount all valid containers.
		for (SdInstallArgs arg : cidArgs) {
		synchronized (mInstallLock) {
		arg.doPostDeleteLI(false);
		}
		}
		}

		/*
		* Unload packages mounted on external media. This involves deleting
		* package data from internal structures, sending broadcasts about
		* diabled packages, gc'ing to free up references, unmounting all
		* secure containers corresponding to packages on external media, and
		* posting a UPDATED_MEDIA_STATUS message if status has been requested.
		* Please note that we always have to post this message if status has
		* been requested no matter what.
		*/
		private void unloadMediaPackages(HashMap<SdInstallArgs, String> processCids,
		int uidArr[]) {
		int uidArr[], final boolean reportStatus) {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "unloading media packages");
		ArrayList<String> pkgList = new ArrayList<String>();
		ArrayList<SdInstallArgs> failedList = new ArrayList<SdInstallArgs>();
		Set<SdInstallArgs> keys = processCids.keySet();
		final Set<SdInstallArgs> keys = processCids.keySet();
		for (SdInstallArgs args : keys) {
		String cid = args.cid;
		String pkgName = args.getPackageName();
		@@ -9696,22 +9732,23 @@ class PackageManagerService extends IPackageManager.Stub {
		}
		}
		}
		// Send broadcasts
		// We have to absolutely send UPDATED_MEDIA_STATUS only
		// after confirming that all the receivers processed the ordered
		// broadcast when packages get disabled, force a gc to clean things up.
		// and unload all the containers.
		if (pkgList.size() > 0) {
		sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() {
		public void performReceive(Intent intent, int resultCode, String data, Bundle extras,
		boolean ordered, boolean sticky) throws RemoteException {
		// Force gc now that everyone is done cleaning up, to release
		// references on assets.
		Runtime.getRuntime().gc();
		Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
		reportStatus ? 1 : 0, 1, keys);
		mHandler.sendMessage(msg);
		}
		});
		}
		// Just unmount all valid containers.
		for (SdInstallArgs args : keys) {
		synchronized (mInstallLock) {
		args.doPostDeleteLI(false);
		}
		} else {
		Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
		reportStatus ? 1 : 0, -1, keys);
		mHandler.sendMessage(msg);
		}
		}