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Merge "Quick fix for possible deadlock in LMS" into rvc-dev am: 45b8146ae8

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Change-Id: I20cfb80d286829d3c686026da8c3c4ad9909e398
This commit is contained in:
Automerger Merge Worker
2020-03-03 03:03:23 +00:00
parent 420a319f05 45b8146ae8
commit 10531c2fb5
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; mRemoteCancellationSignal = remoteCancellationSignal;
} }
public synchronized void cancel() { public void cancel() {
mExecutor = null; ICancellationSignal cancellationSignal;
mConsumer = null; synchronized (this) {
mExecutor = null;
mConsumer = null;
if (mAlarmManager != null) { if (mAlarmManager != null) {
mAlarmManager.cancel(this); mAlarmManager.cancel(this);
mAlarmManager = null; mAlarmManager = null;
}
// ensure only one cancel event will go through
cancellationSignal = mRemoteCancellationSignal;
mRemoteCancellationSignal = null;
} }
if (mRemoteCancellationSignal != null) { if (cancellationSignal != null) {
try { try {
mRemoteCancellationSignal.cancel(); cancellationSignal.cancel();
} catch (RemoteException e) { } catch (RemoteException e) {
// ignore // ignore
} }
mRemoteCancellationSignal = null;
} }
} }