Increase activity timeouts when using a wrapper process. (3f9dd287) · Commits · e / os / android_frameworks_base

core/java/android/os/Process.java

+31 −25

Original line number	Diff line number	Diff line
		@@ -270,13 +270,12 @@ public class Process {
		* @param targetSdkVersion The target SDK version for the app.
		* @param zygoteArgs Additional arguments to supply to the zygote process.
		*
		* @return int If > 0 the pid of the new process; if 0 the process is
		* being emulated by a thread
		* @return An object that describes the result of the attempt to start the process.
		* @throws RuntimeException on fatal start failure
		*
		* {@hide}
		*/
		public static final int start(final String processClass,
		public static final ProcessStartResult start(final String processClass,
		final String niceName,
		int uid, int gid, int[] gids,
		int debugFlags, int targetSdkVersion,
		@@ -376,14 +375,11 @@ public class Process {
		* and returns the child's pid. Please note: the present implementation
		* replaces newlines in the argument list with spaces.
		* @param args argument list
		* @return PID of new child process
		* @return An object that describes the result of the attempt to start the process.
		* @throws ZygoteStartFailedEx if process start failed for any reason
		*/
		private static int zygoteSendArgsAndGetPid(ArrayList<String> args)
		private static ProcessStartResult zygoteSendArgsAndGetResult(ArrayList<String> args)
		throws ZygoteStartFailedEx {

		int pid;

		openZygoteSocketIfNeeded();

		try {
		@@ -394,7 +390,8 @@ public class Process {
		* b) a number of newline-separated argument strings equal to count
		*
		* After the zygote process reads these it will write the pid of
		* the child or -1 on failure.
		* the child or -1 on failure, followed by boolean to
		* indicate whether a wrapper process was used.
		*/

		sZygoteWriter.write(Integer.toString(args.size()));
		@@ -414,11 +411,13 @@ public class Process {
		sZygoteWriter.flush();

		// Should there be a timeout on this?
		pid = sZygoteInputStream.readInt();

		if (pid < 0) {
		ProcessStartResult result = new ProcessStartResult();
		result.pid = sZygoteInputStream.readInt();
		if (result.pid < 0) {
		throw new ZygoteStartFailedEx("fork() failed");
		}
		result.usingWrapper = sZygoteInputStream.readBoolean();
		return result;
		} catch (IOException ex) {
		try {
		if (sZygoteSocket != null) {
		@@ -433,8 +432,6 @@ public class Process {

		throw new ZygoteStartFailedEx(ex);
		}

		return pid;
		}

		/**
		@@ -449,18 +446,16 @@ public class Process {
		* @param debugFlags Additional flags.
		* @param targetSdkVersion The target SDK version for the app.
		* @param extraArgs Additional arguments to supply to the zygote process.
		* @return PID
		* @return An object that describes the result of the attempt to start the process.
		* @throws ZygoteStartFailedEx if process start failed for any reason
		*/
		private static int startViaZygote(final String processClass,
		private static ProcessStartResult startViaZygote(final String processClass,
		final String niceName,
		final int uid, final int gid,
		final int[] gids,
		int debugFlags, int targetSdkVersion,
		String[] extraArgs)
		throws ZygoteStartFailedEx {
		int pid;

		synchronized(Process.class) {
		ArrayList<String> argsForZygote = new ArrayList<String>();

		@@ -517,14 +512,8 @@ public class Process {
		}
		}

		pid = zygoteSendArgsAndGetPid(argsForZygote);
		return zygoteSendArgsAndGetResult(argsForZygote);
		}

		if (pid <= 0) {
		throw new ZygoteStartFailedEx("zygote start failed:" + pid);
		}

		return pid;
		}

		/**
		@@ -808,4 +797,21 @@ public class Process {
		* @hide
		*/
		public static final native long getPss(int pid);

		/**
		* Specifies the outcome of having started a process.
		* @hide
		*/
		public static final class ProcessStartResult {
		/**
		* The PID of the newly started process.
		* Always >= 0. (If the start failed, an exception will have been thrown instead.)
		*/
		public int pid;

		/**
		* True if the process was started with a wrapper attached.
		*/
		public boolean usingWrapper;
		}
		}

core/java/com/android/internal/os/ZygoteConnection.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -900,6 +900,7 @@ class ZygoteConnection {
		}
		}

		boolean usingWrapper = false;
		if (pipeFd != null && pid > 0) {
		DataInputStream is = new DataInputStream(new FileInputStream(pipeFd));
		int innerPid = -1;
		@@ -924,6 +925,7 @@ class ZygoteConnection {
		if (parentPid > 0) {
		Log.i(TAG, "Wrapped process has pid " + innerPid);
		pid = innerPid;
		usingWrapper = true;
		} else {
		Log.w(TAG, "Wrapped process reported a pid that is not a child of "
		+ "the process that we forked: childPid=" + pid
		@@ -934,6 +936,7 @@ class ZygoteConnection {

		try {
		mSocketOutStream.writeInt(pid);
		mSocketOutStream.writeBoolean(usingWrapper);
		} catch (IOException ex) {
		Log.e(TAG, "Error reading from command socket", ex);
		return true;

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

+23 −19

Original line number	Diff line number	Diff line
		@@ -208,6 +208,12 @@ public final class ActivityManagerService extends ActivityManagerNative
		// before we decide it's never going to come up for real.
		static final int PROC_START_TIMEOUT = 10*1000;

		// How long we wait for a launched process to attach to the activity manager
		// before we decide it's never going to come up for real, when the process was
		// started with a wrapper for instrumentation (such as Valgrind) because it
		// could take much longer than usual.
		static final int PROC_START_TIMEOUT_WITH_WRAPPER = 300*1000;

		// How long to wait after going idle before forcing apps to GC.
		static final int GC_TIMEOUT = 5*1000;

		@@ -1950,9 +1956,13 @@ public final class ActivityManagerService extends ActivityManagerNative
		if ("1".equals(SystemProperties.get("debug.assert"))) {
		debugFlags \|= Zygote.DEBUG_ENABLE_ASSERT;
		}
		int pid = Process.start("android.app.ActivityThread",

		// Start the process. It will either succeed and return a result containing
		// the PID of the new process, or else throw a RuntimeException.
		Process.ProcessStartResult startResult = Process.start("android.app.ActivityThread",
		app.processName, uid, uid, gids, debugFlags,
		app.info.targetSdkVersion, null);

		BatteryStatsImpl bs = app.batteryStats.getBatteryStats();
		synchronized (bs) {
		if (bs.isOnBattery()) {
		@@ -1960,12 +1970,12 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		EventLog.writeEvent(EventLogTags.AM_PROC_START, pid, uid,
		EventLog.writeEvent(EventLogTags.AM_PROC_START, startResult.pid, uid,
		app.processName, hostingType,
		hostingNameStr != null ? hostingNameStr : "");

		if (app.persistent) {
		Watchdog.getInstance().processStarted(app.processName, pid);
		Watchdog.getInstance().processStarted(app.processName, startResult.pid);
		}

		StringBuilder buf = mStringBuilder;
		@@ -1979,7 +1989,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		buf.append(hostingNameStr);
		}
		buf.append(": pid=");
		buf.append(pid);
		buf.append(startResult.pid);
		buf.append(" uid=");
		buf.append(uid);
		buf.append(" gids={");
		@@ -1992,21 +2002,15 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		buf.append("}");
		Slog.i(TAG, buf.toString());
		if (pid > 0) {
		app.pid = pid;
		app.pid = startResult.pid;
		app.usingWrapper = startResult.usingWrapper;
		app.removed = false;
		synchronized (mPidsSelfLocked) {
		this.mPidsSelfLocked.put(pid, app);
		this.mPidsSelfLocked.put(startResult.pid, app);
		Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG);
		msg.obj = app;
		mHandler.sendMessageDelayed(msg, PROC_START_TIMEOUT);
		}
		} else {
		app.pid = 0;
		RuntimeException e = new RuntimeException(
		"Failure starting process " + app.processName
		+ ": returned pid=" + pid);
		Slog.e(TAG, e.getMessage(), e);
		mHandler.sendMessageDelayed(msg, startResult.usingWrapper
		? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT);
		}
		} catch (RuntimeException e) {
		// XXX do better error recovery.

services/java/com/android/server/am/ActivityRecord.java

+5 −5

Original line number	Diff line number	Diff line
		@@ -658,12 +658,12 @@ final class ActivityRecord extends IApplicationToken.Stub {
		public long getKeyDispatchingTimeout() {
		synchronized(service) {
		ActivityRecord r = getWaitingHistoryRecordLocked();
		if (r == null \|\| r.app == null
		\|\| r.app.instrumentationClass == null) {
		return ActivityManagerService.KEY_DISPATCHING_TIMEOUT;
		if (r != null && r.app != null
		&& (r.app.instrumentationClass != null \|\| r.app.usingWrapper)) {
		return ActivityManagerService.INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT;
		}

		return ActivityManagerService.INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT;
		return ActivityManagerService.KEY_DISPATCHING_TIMEOUT;
		}
		}

services/java/com/android/server/am/ProcessRecord.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -78,6 +78,7 @@ class ProcessRecord {
		IInstrumentationWatcher instrumentationWatcher; // who is waiting
		Bundle instrumentationArguments;// as given to us
		ComponentName instrumentationResultClass;// copy of instrumentationClass
		boolean usingWrapper; // Set to true when process was launched with a wrapper attached
		BroadcastRecord curReceiver;// receiver currently running in the app
		long lastWakeTime; // How long proc held wake lock at last check
		long lastCpuTime; // How long proc has run CPU at last check