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Merge "Quick fix for possible deadlock in LMS" into rvc-dev

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This commit is contained in:
TreeHugger Robot
2020-03-03 02:59:15 +00:00
committed by Android (Google) Code Review
parent 78160dc4c0 5df43c11e5
commit 45b8146ae8
1 changed files with 15 additions and 9 deletions
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24
location/java/android/location/LocationManager.java
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@@ -2562,22 +2562,28 @@ public class LocationManager {
mRemoteCancellationSignal = remoteCancellationSignal;
}
public synchronized void cancel() {
mExecutor = null;
mConsumer = null;
public void cancel() {
ICancellationSignal cancellationSignal;
synchronized (this) {
mExecutor = null;
mConsumer = null;
if (mAlarmManager != null) {
mAlarmManager.cancel(this);
mAlarmManager = null;
if (mAlarmManager != null) {
mAlarmManager.cancel(this);
mAlarmManager = null;
}
// ensure only one cancel event will go through
cancellationSignal = mRemoteCancellationSignal;
mRemoteCancellationSignal = null;
}
if (mRemoteCancellationSignal != null) {
if (cancellationSignal != null) {
try {
mRemoteCancellationSignal.cancel();
cancellationSignal.cancel();
} catch (RemoteException e) {
// ignore
}
mRemoteCancellationSignal = null;
}
}