Android/frameworks_base
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Merge "Revert "DCL is broken and should not be used.""

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This commit is contained in:
Daniel Kim
2022-08-23 00:21:35 +00:00
committed by Android (Google) Code Review
parent a42087aec1 11822c7941
commit 9b6bc69594
2 changed files with 10 additions and 6 deletions
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1
config/preloaded-classes-denylist
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@@ -9,4 +9,3 @@ android.net.rtp.AudioGroup
android.net.rtp.AudioStream
android.net.rtp.RtpStream
java.util.concurrent.ThreadLocalRandom
com.android.internal.jank.InteractionJankMonitor$InstanceHolder

15
core/java/com/android/internal/jank/InteractionJankMonitor.java
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@@ -292,10 +292,7 @@ public class InteractionJankMonitor {
UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__SHADE_CLEAR_ALL,
};
private static class InstanceHolder {
public static final InteractionJankMonitor INSTANCE =
new InteractionJankMonitor(new HandlerThread(DEFAULT_WORKER_NAME));
}
private static volatile InteractionJankMonitor sInstance;
private final DeviceConfig.OnPropertiesChangedListener mPropertiesChangedListener =
this::updateProperties;
@@ -387,7 +384,15 @@ public class InteractionJankMonitor {
* @return instance of InteractionJankMonitor
*/
public static InteractionJankMonitor getInstance() {
return InstanceHolder.INSTANCE;
// Use DCL here since this method might be invoked very often.
if (sInstance == null) {
synchronized (InteractionJankMonitor.class) {
if (sInstance == null) {
sInstance = new InteractionJankMonitor(new HandlerThread(DEFAULT_WORKER_NAME));
}
}
}
return sInstance;
}
/**