Merge "WatchableImpl: add lock when get the mObservers size." into main (54fb3530) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/utils/WatchableImpl.java

+4 −1

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ public class WatchableImpl implements Watchable {
		/**
		* The list of observers.
		*/
		@GuardedBy("mObservers")
		protected final ArrayList<Watcher> mObservers = new ArrayList<>();

		/**
		@@ -83,8 +84,10 @@ public class WatchableImpl implements Watchable {
		* @return The number of registered observers.
		*/
		public int registeredObserverCount() {
		synchronized (mObservers) {
		return mObservers.size();
		}
		}

		/**
		* Invokes {@link Watcher#onChange} on each observer.