[hotword] avoid potential race condition / memory leak

Test: presubmits

Bug: 227806937

Change-Id: I3718dc5152e56f9b49359cf0d701d46312f89cdf
(cherry picked from commit eff01724be)
This commit is contained in:
Felix Oghina
2023-03-22 16:11:57 +00:00
parent d166b3b832
commit add95be9bf

View File

@@ -74,9 +74,8 @@ import com.android.server.voiceinteraction.VoiceInteractionManagerServiceImpl.De
import java.io.PrintWriter;
import java.time.Instant;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import java.util.function.Function;
@@ -122,8 +121,8 @@ final class HotwordDetectionConnection {
private static final int DETECTION_SERVICE_TYPE_VISUAL_QUERY = 2;
// TODO: This may need to be a Handler(looper)
private final ScheduledExecutorService mScheduledExecutorService =
Executors.newSingleThreadScheduledExecutor();
private final ScheduledThreadPoolExecutor mScheduledExecutorService =
new ScheduledThreadPoolExecutor(1);
@Nullable private final ScheduledFuture<?> mCancellationTaskFuture;
private final IBinder.DeathRecipient mAudioServerDeathRecipient = this::audioServerDied;
@NonNull private final ServiceConnectionFactory mHotwordDetectionServiceConnectionFactory;
@@ -210,6 +209,7 @@ final class HotwordDetectionConnection {
if (mReStartPeriodSeconds <= 0) {
mCancellationTaskFuture = null;
} else {
mScheduledExecutorService.setRemoveOnCancelPolicy(true);
// TODO: we need to be smarter here, e.g. schedule it a bit more often,
// but wait until the current session is closed.
mCancellationTaskFuture = mScheduledExecutorService.scheduleAtFixedRate(() -> {