Merge "Adds Zygote policy flags to control how applications are launched" into... (fd3a9600) · Commits · e / os / android_frameworks_base

core/java/android/os/Process.java

+39 −3

Original line number	Diff line number	Diff line
		@@ -528,6 +528,40 @@ public class Process {
		*/
		private static int sPidFdSupported = PIDFD_UNKNOWN;

		/**
		* Value used to indicate that there is no special information about an application launch. App
		* launches with this policy will occur through the primary or secondary Zygote with no special
		* treatment.
		*
		* @hide
		*/
		public static final int ZYGOTE_POLICY_FLAG_EMPTY = 0;

		/**
		* Flag used to indicate that an application launch is user-visible and latency sensitive. Any
		* launch with this policy will use a Unspecialized App Process Pool if the target Zygote
		* supports it.
		*
		* @hide
		*/
		public static final int ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE = 1 << 0;

		/**
		* Flag used to indicate that the launch is one in a series of app launches that will be
		* performed in quick succession. For future use.
		*
		* @hide
		*/
		public static final int ZYGOTE_POLICY_FLAG_BATCH_LAUNCH = 1 << 1;

		/**
		* Flag used to indicate that the current launch event is for a system process. All system
		* processes are equally important, so none of them should be prioritized over the others.
		*
		* @hide
		*/
		public static final int ZYGOTE_POLICY_FLAG_SYSTEM_PROCESS = 1 << 2;

		/**
		* State associated with the zygote process.
		* @hide
		@@ -567,6 +601,7 @@ public class Process {
		* @param appDataDir null-ok the data directory of the app.
		* @param invokeWith null-ok the command to invoke with.
		* @param packageName null-ok the name of the package this process belongs to.
		* @param zygotePolicyFlags Flags used to determine how to launch the application
		* @param isTopApp whether the process starts for high priority application.
		* @param disabledCompatChanges null-ok list of disabled compat changes for the process being
		* started.
		@@ -590,6 +625,7 @@ public class Process {
		@Nullable String appDataDir,
		@Nullable String invokeWith,
		@Nullable String packageName,
		int zygotePolicyFlags,
		boolean isTopApp,
		@Nullable long[] disabledCompatChanges,
		@Nullable Map<String, Pair<String, Long>>
		@@ -598,7 +634,7 @@ public class Process {
		return ZYGOTE_PROCESS.start(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, packageName,
		/useUsapPool=/ true, isTopApp, disabledCompatChanges,
		zygotePolicyFlags, isTopApp, disabledCompatChanges,
		pkgDataInfoMap, zygoteArgs);
		}

		@@ -622,8 +658,8 @@ public class Process {
		return WebViewZygote.getProcess().start(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, packageName,
		/useUsapPool=/ false, /isTopApp=/ false, disabledCompatChanges,
		/* pkgDataInfoMap */ null, zygoteArgs);
		/zygotePolicyFlags=/ ZYGOTE_POLICY_FLAG_EMPTY, /isTopApp=/ false,
		disabledCompatChanges, /* pkgDataInfoMap */ null, zygoteArgs);
		}

		/**

core/java/android/os/ZygoteProcess.java

+73 −11

Original line number	Diff line number	Diff line
		@@ -16,6 +16,9 @@

		package android.os;

		import static android.os.Process.ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_SYSTEM_PROCESS;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.compat.annotation.UnsupportedAppUsage;
		@@ -119,6 +122,10 @@ public class ZygoteProcess {
		mUsapPoolSecondarySocketAddress =
		new LocalSocketAddress(Zygote.USAP_POOL_SECONDARY_SOCKET_NAME,
		LocalSocketAddress.Namespace.RESERVED);

		// This constructor is used to create the primary and secondary Zygotes, which can support
		// Unspecialized App Process Pools.
		mUsapPoolSupported = true;
		}

		public ZygoteProcess(LocalSocketAddress primarySocketAddress,
		@@ -128,6 +135,10 @@ public class ZygoteProcess {

		mUsapPoolSocketAddress = null;
		mUsapPoolSecondarySocketAddress = null;

		// This constructor is used to create the primary and secondary Zygotes, which CAN NOT
		// support Unspecialized App Process Pools.
		mUsapPoolSupported = false;
		}

		public LocalSocketAddress getPrimarySocketAddress() {
		@@ -266,6 +277,14 @@ public class ZygoteProcess {
		*/
		private ZygoteState secondaryZygoteState;

		/**
		* If this Zygote supports the creation and maintenance of a USAP pool.
		*
		* Currently only the primary and secondary Zygotes support USAP pools. Any
		* child Zygotes will be unable to create or use a USAP pool.
		*/
		private final boolean mUsapPoolSupported;

		/**
		* If the USAP pool should be created and used to start applications.
		*
		@@ -308,13 +327,14 @@ public class ZygoteProcess {
		* @param appDataDir null-ok the data directory of the app.
		* @param invokeWith null-ok the command to invoke with.
		* @param packageName null-ok the name of the package this process belongs to.
		* @param zygotePolicyFlags Flags used to determine how to launch the application.
		* @param isTopApp Whether the process starts for high priority application.
		* @param disabledCompatChanges null-ok list of disabled compat changes for the process being
		* started.
		* @param zygoteArgs Additional arguments to supply to the zygote process.
		* @param isTopApp Whether the process starts for high priority application.
		* @param pkgDataInfoMap Map from related package names to private data directory
		* volume UUID and inode number.
		*
		* @param zygoteArgs Additional arguments to supply to the Zygote process.
		* @return An object that describes the result of the attempt to start the process.
		* @throws RuntimeException on fatal start failure
		*/
		@@ -329,7 +349,7 @@ public class ZygoteProcess {
		@Nullable String appDataDir,
		@Nullable String invokeWith,
		@Nullable String packageName,
		boolean useUsapPool,
		int zygotePolicyFlags,
		boolean isTopApp,
		@Nullable long[] disabledCompatChanges,
		@Nullable Map<String, Pair<String, Long>>
		@@ -344,7 +364,7 @@ public class ZygoteProcess {
		return startViaZygote(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, /startChildZygote=/ false,
		packageName, useUsapPool, isTopApp, disabledCompatChanges,
		packageName, zygotePolicyFlags, isTopApp, disabledCompatChanges,
		pkgDataInfoMap, zygoteArgs);
		} catch (ZygoteStartFailedEx ex) {
		Log.e(LOG_TAG,
		@@ -391,7 +411,7 @@ public class ZygoteProcess {
		*/
		@GuardedBy("mLock")
		private Process.ProcessStartResult zygoteSendArgsAndGetResult(
		ZygoteState zygoteState, boolean useUsapPool, @NonNull ArrayList<String> args)
		ZygoteState zygoteState, int zygotePolicyFlags, @NonNull ArrayList<String> args)
		throws ZygoteStartFailedEx {
		// Throw early if any of the arguments are malformed. This means we can
		// avoid writing a partial response to the zygote.
		@@ -417,7 +437,7 @@ public class ZygoteProcess {
		*/
		String msgStr = args.size() + "\n" + String.join("\n", args) + "\n";

		if (useUsapPool && mUsapPoolEnabled && canAttemptUsap(args)) {
		if (shouldAttemptUsapLaunch(zygotePolicyFlags, args)) {
		try {
		return attemptUsapSendArgsAndGetResult(zygoteState, msgStr);
		} catch (IOException ex) {
		@@ -488,7 +508,43 @@ public class ZygoteProcess {
		}

		/**
		* Flags that may not be passed to a USAP.
		* Test various member properties and parameters to determine if a launch event should be
		* handled using an Unspecialized App Process Pool or not.
		*
		* @param zygotePolicyFlags Policy flags indicating special behavioral observations about the
		* Zygote command
		* @param args Arguments that will be passed to the Zygote
		* @return If the command should be sent to a USAP Pool member or an actual Zygote
		*/
		private boolean shouldAttemptUsapLaunch(int zygotePolicyFlags, ArrayList<String> args) {
		return mUsapPoolSupported
		&& mUsapPoolEnabled
		&& policySpecifiesUsapPoolLaunch(zygotePolicyFlags)
		&& commandSupportedByUsap(args);
		}

		/**
		* Tests a Zygote policy flag set for various properties that determine if it is eligible for
		* being handled by an Unspecialized App Process Pool.
		*
		* @param zygotePolicyFlags Policy flags indicating special behavioral observations about the
		* Zygote command
		* @return If the policy allows for use of a USAP pool
		*/
		private static boolean policySpecifiesUsapPoolLaunch(int zygotePolicyFlags) {
		/*
		* Zygote USAP Pool Policy: Launch the new process from the USAP Pool iff the launch event
		* is latency sensitive but NOT a system process. All system processes are equally
		* important so we don't want to prioritize one over another.
		*/
		return (zygotePolicyFlags
		& (ZYGOTE_POLICY_FLAG_SYSTEM_PROCESS \| ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE))
		== ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE;
		}

		/**
		* Flags that may not be passed to a USAP. These may appear as prefixes to individual Zygote
		* arguments.
		*/
		private static final String[] INVALID_USAP_FLAGS = {
		"--query-abi-list",
		@@ -505,10 +561,11 @@ public class ZygoteProcess {

		/**
		* Tests a command list to see if it is valid to send to a USAP.
		*
		* @param args Zygote/USAP command arguments
		* @return True if the command can be passed to a USAP; false otherwise
		*/
		private static boolean canAttemptUsap(ArrayList<String> args) {
		private static boolean commandSupportedByUsap(ArrayList<String> args) {
		for (String flag : args) {
		for (String badFlag : INVALID_USAP_FLAGS) {
		if (flag.startsWith(badFlag)) {
		@@ -544,6 +601,7 @@ public class ZygoteProcess {
		* @param startChildZygote Start a sub-zygote. This creates a new zygote process
		* that has its state cloned from this zygote process.
		* @param packageName null-ok the name of the package this process belongs to.
		* @param zygotePolicyFlags Flags used to determine how to launch the application.
		* @param isTopApp Whether the process starts for high priority application.
		* @param disabledCompatChanges a list of disabled compat changes for the process being started.
		* @param pkgDataInfoMap Map from related package names to private data directory volume UUID
		@@ -565,7 +623,7 @@ public class ZygoteProcess {
		@Nullable String invokeWith,
		boolean startChildZygote,
		@Nullable String packageName,
		boolean useUsapPool,
		int zygotePolicyFlags,
		boolean isTopApp,
		@Nullable long[] disabledCompatChanges,
		@Nullable Map<String, Pair<String, Long>>
		@@ -692,7 +750,7 @@ public class ZygoteProcess {
		// The USAP pool can not be used if the application will not use the systems graphics
		// driver. If that driver is requested use the Zygote application start path.
		return zygoteSendArgsAndGetResult(openZygoteSocketIfNeeded(abi),
		useUsapPool,
		zygotePolicyFlags,
		argsForZygote);
		}
		}
		@@ -722,6 +780,10 @@ public class ZygoteProcess {
		private long mLastPropCheckTimestamp = 0;

		private boolean fetchUsapPoolEnabledPropWithMinInterval() {
		// If this Zygote doesn't support USAPs there is no need to fetch any
		// properties.
		if (!mUsapPoolSupported) return false;

		final long currentTimestamp = SystemClock.elapsedRealtime();

		if (mIsFirstPropCheck
		@@ -1219,7 +1281,7 @@ public class ZygoteProcess {
		gids, runtimeFlags, 0 /* mountExternal /, 0 / targetSdkVersion */, seInfo,
		abi, instructionSet, null /* appDataDir /, null / invokeWith */,
		true /* startChildZygote /, null / packageName */,
		false /* useUsapPool /, false / isTopApp */,
		ZYGOTE_POLICY_FLAG_SYSTEM_PROCESS /* zygotePolicyFlags /, false / isTopApp */,
		null /* disabledCompatChanges /, null / pkgDataInfoMap */, extraArgs);
		} catch (ZygoteStartFailedEx ex) {
		throw new RuntimeException("Starting child-zygote through Zygote failed", ex);

services/core/java/com/android/server/am/ActiveServices.java

+4 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import static android.os.Process.NFC_UID;
		import static android.os.Process.ROOT_UID;
		import static android.os.Process.SHELL_UID;
		import static android.os.Process.SYSTEM_UID;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_EMPTY;

		import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BACKGROUND_CHECK;
		import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_FOREGROUND_SERVICE;
		@@ -2937,8 +2938,10 @@ public final class ActiveServices {
		// Not running -- get it started, and enqueue this service record
		// to be executed when the app comes up.
		if (app == null && !permissionsReviewRequired) {
		// TODO (chriswailes): Change the Zygote policy flags based on if the launch-for-service
		// was initiated from a notification tap or not.
		if ((app=mAm.startProcessLocked(procName, r.appInfo, true, intentFlags,
		hostingRecord, false, isolated, false)) == null) {
		hostingRecord, ZYGOTE_POLICY_FLAG_EMPTY, false, isolated, false)) == null) {
		String msg = "Unable to launch app "
		+ r.appInfo.packageName + "/"
		+ r.appInfo.uid + " for service "

services/core/java/com/android/server/am/ActivityManagerService.java

+37 −22

Original line number	Diff line number	Diff line
		@@ -65,6 +65,10 @@ import static android.os.Process.SHELL_UID;
		import static android.os.Process.SIGNAL_USR1;
		import static android.os.Process.SYSTEM_UID;
		import static android.os.Process.THREAD_PRIORITY_FOREGROUND;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_BATCH_LAUNCH;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_EMPTY;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_SYSTEM_PROCESS;
		import static android.os.Process.ZYGOTE_PROCESS;
		import static android.os.Process.getTotalMemory;
		import static android.os.Process.isThreadInProcess;
		@@ -3054,7 +3058,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		info.targetSdkVersion = Build.VERSION.SDK_INT;
		ProcessRecord proc = mProcessList.startProcessLocked(processName, info /* info */,
		false /* knownToBeDead /, 0 / intentFlags */,
		sNullHostingRecord /* hostingRecord */,
		sNullHostingRecord /* hostingRecord */, ZYGOTE_POLICY_FLAG_EMPTY,
		true /* allowWhileBooting /, true / isolated */,
		uid, true /* keepIfLarge */, abiOverride, entryPoint, entryPointArgs,
		crashHandler);
		@@ -3065,12 +3069,12 @@ public class ActivityManagerService extends IActivityManager.Stub
		@GuardedBy("this")
		final ProcessRecord startProcessLocked(String processName,
		ApplicationInfo info, boolean knownToBeDead, int intentFlags,
		HostingRecord hostingRecord, boolean allowWhileBooting,
		HostingRecord hostingRecord, int zygotePolicyFlags, boolean allowWhileBooting,
		boolean isolated, boolean keepIfLarge) {
		return mProcessList.startProcessLocked(processName, info, knownToBeDead, intentFlags,
		hostingRecord, allowWhileBooting, isolated, 0 /* isolatedUid */, keepIfLarge,
		null /* ABI override /, null / entryPoint /, null / entryPointArgs */,
		null /* crashHandler */);
		hostingRecord, zygotePolicyFlags, allowWhileBooting, isolated, 0 /* isolatedUid */,
		keepIfLarge, null /* ABI override /, null / entryPoint */,
		null /* entryPointArgs /, null / crashHandler */);
		}

		boolean isAllowedWhileBooting(ApplicationInfo ai) {
		@@ -4953,7 +4957,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		} catch (RemoteException e) {
		app.resetPackageList(mProcessStats);
		mProcessList.startProcessLocked(app,
		new HostingRecord("link fail", processName));
		new HostingRecord("link fail", processName),
		ZYGOTE_POLICY_FLAG_EMPTY);
		return false;
		}

		@@ -5372,7 +5377,9 @@ public class ActivityManagerService extends IActivityManager.Stub
		for (int ip=0; ip<NP; ip++) {
		if (DEBUG_PROCESSES) Slog.v(TAG_PROCESSES, "Starting process on hold: "
		+ procs.get(ip));
		mProcessList.startProcessLocked(procs.get(ip), new HostingRecord("on-hold"));
		mProcessList.startProcessLocked(procs.get(ip),
		new HostingRecord("on-hold"),
		ZYGOTE_POLICY_FLAG_BATCH_LAUNCH);
		}
		}
		if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL) {
		@@ -7225,7 +7232,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		cpr.appInfo, false, 0,
		new HostingRecord("content provider",
		new ComponentName(cpi.applicationInfo.packageName,
		cpi.name)), false, false, false);
		cpi.name)),
		ZYGOTE_POLICY_FLAG_EMPTY, false, false, false);
		checkTime(startTime, "getContentProviderImpl: after start process");
		if (proc == null) {
		Slog.w(TAG, "Unable to launch app "
		@@ -7785,7 +7793,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		.getPersistentApplications(STOCK_PM_FLAGS \| matchFlags).getList();
		for (ApplicationInfo app : apps) {
		if (!"android".equals(app.packageName)) {
		addAppLocked(app, null, false, null /* ABI override */);
		addAppLocked(app, null, false, null /* ABI override */,
		ZYGOTE_POLICY_FLAG_BATCH_LAUNCH);
		}
		}
		} catch (RemoteException ex) {
		@@ -8056,23 +8065,25 @@ public class ActivityManagerService extends IActivityManager.Stub

		@GuardedBy("this")
		final ProcessRecord addAppLocked(ApplicationInfo info, String customProcess, boolean isolated,
		String abiOverride) {
		String abiOverride, int zygotePolicyFlags) {
		return addAppLocked(info, customProcess, isolated, false /* disableHiddenApiChecks */,
		false /* mountExtStorageFull */, abiOverride);
		false /* mountExtStorageFull */, abiOverride, zygotePolicyFlags);
		}

		@GuardedBy("this")
		final ProcessRecord addAppLocked(ApplicationInfo info, String customProcess, boolean isolated,
		boolean disableHiddenApiChecks, boolean mountExtStorageFull, String abiOverride) {
		boolean disableHiddenApiChecks, boolean mountExtStorageFull, String abiOverride,
		int zygotePolicyFlags) {
		return addAppLocked(info, customProcess, isolated, disableHiddenApiChecks,
		false /* disableTestApiChecks */, mountExtStorageFull, abiOverride);
		false /* disableTestApiChecks */, mountExtStorageFull, abiOverride,
		zygotePolicyFlags);
		}

		// TODO: Move to ProcessList?
		@GuardedBy("this")
		final ProcessRecord addAppLocked(ApplicationInfo info, String customProcess, boolean isolated,
		boolean disableHiddenApiChecks, boolean disableTestApiChecks,
		boolean mountExtStorageFull, String abiOverride) {
		boolean mountExtStorageFull, String abiOverride, int zygotePolicyFlags) {
		ProcessRecord app;
		if (!isolated) {
		app = getProcessRecordLocked(customProcess != null ? customProcess : info.processName,
		@@ -8107,7 +8118,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		mPersistentStartingProcesses.add(app);
		mProcessList.startProcessLocked(app, new HostingRecord("added application",
		customProcess != null ? customProcess : app.processName),
		disableHiddenApiChecks, disableTestApiChecks, mountExtStorageFull, abiOverride);
		zygotePolicyFlags, disableHiddenApiChecks, disableTestApiChecks,
		mountExtStorageFull, abiOverride);
		}

		return app;
		@@ -14614,7 +14626,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		mProcessList.addProcessNameLocked(app);
		app.pendingStart = false;
		mProcessList.startProcessLocked(app,
		new HostingRecord("restart", app.processName));
		new HostingRecord("restart", app.processName),
		ZYGOTE_POLICY_FLAG_EMPTY);
		return true;
		} else if (app.pid > 0 && app.pid != MY_PID) {
		// Goodbye!
		@@ -14977,7 +14990,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		ProcessRecord proc = startProcessLocked(app.processName, app,
		false, 0,
		new HostingRecord("backup", hostingName),
		false, false, false);
		ZYGOTE_POLICY_FLAG_SYSTEM_PROCESS, false, false, false);
		if (proc == null) {
		Slog.e(TAG, "Unable to start backup agent process " + r);
		return false;
		@@ -16616,7 +16629,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		}

		ProcessRecord app = addAppLocked(ai, defProcess, false, disableHiddenApiChecks,
		disableTestApiChecks, mountExtStorageFull, abiOverride);
		disableTestApiChecks, mountExtStorageFull, abiOverride,
		ZYGOTE_POLICY_FLAG_EMPTY);
		app.setActiveInstrumentation(activeInstr);
		activeInstr.mFinished = false;
		activeInstr.mSourceUid = callingUid;
		@@ -18013,7 +18027,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		mProcessList.mRemovedProcesses.remove(i);

		if (app.isPersistent()) {
		addAppLocked(app.info, null, false, null /* ABI override */);
		addAppLocked(app.info, null, false, null /* ABI override */,
		ZYGOTE_POLICY_FLAG_BATCH_LAUNCH);
		}
		}
		}
		@@ -19220,8 +19235,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		// preempted by other processes before attaching the process of top app.
		startProcessLocked(processName, info, knownToBeDead, 0 /* intentFlags */,
		new HostingRecord(hostingType, hostingName, isTop),
		false /* allowWhileBooting /, false / isolated */,
		true /* keepIfLarge */);
		ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE, false /* allowWhileBooting */,
		false /* isolated /, true / keepIfLarge */);
		}
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);

services/core/java/com/android/server/am/BroadcastQueue.java

+7 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,9 @@

		package com.android.server.am;

		import static android.os.Process.ZYGOTE_POLICY_FLAG_EMPTY;
		import static android.os.Process.ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE;

		import static com.android.server.am.ActivityManagerDebugConfig.*;

		import android.app.ActivityManager;
		@@ -1593,7 +1596,9 @@ public final class BroadcastQueue {
		+ receiverUid);
		}

		if (brOptions != null && brOptions.getTemporaryAppWhitelistDuration() > 0) {
		final boolean isActivityCapable =
		(brOptions != null && brOptions.getTemporaryAppWhitelistDuration() > 0);
		if (isActivityCapable) {
		scheduleTempWhitelistLocked(receiverUid,
		brOptions.getTemporaryAppWhitelistDuration(), r);
		}
		@@ -1648,6 +1653,7 @@ public final class BroadcastQueue {
		info.activityInfo.applicationInfo, true,
		r.intent.getFlags() \| Intent.FLAG_FROM_BACKGROUND,
		new HostingRecord("broadcast", r.curComponent),
		isActivityCapable ? ZYGOTE_POLICY_FLAG_LATENCY_SENSITIVE : ZYGOTE_POLICY_FLAG_EMPTY,
		(r.intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0, false, false))
		== null) {
		// Ah, this recipient is unavailable. Finish it if necessary,