Merge "Hold mMutex lock and check abandoned when accessing mLayer" into rvc-dev am: a38a3e145a (a026ce70) · Commits · e / os / android_frameworks_native-old

services/surfaceflinger/BufferLayerConsumer.cpp

+14 −0

Original line number	Diff line number	Diff line
		@@ -452,6 +452,13 @@ void BufferLayerConsumer::freeBufferLocked(int slotIndex) {
		}

		void BufferLayerConsumer::onDisconnect() {
		Mutex::Autolock lock(mMutex);

		if (mAbandoned) {
		// Nothing to do if we're already abandoned.
		return;
		}

		mLayer->onDisconnect();
		}

		@@ -486,6 +493,13 @@ void BufferLayerConsumer::onBufferAvailable(const BufferItem& item) {

		void BufferLayerConsumer::addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
		FrameEventHistoryDelta* outDelta) {
		Mutex::Autolock lock(mMutex);

		if (mAbandoned) {
		// Nothing to do if we're already abandoned.
		return;
		}

		mLayer->addAndGetFrameTimestamps(newTimestamps, outDelta);
		}

+2 −2

Original line number	Diff line number	Diff line
		@@ -331,8 +331,8 @@ private:
		// construction time.
		const uint32_t mTexName;

		// The layer for this BufferLayerConsumer
		Layer* mLayer;
		// The layer for this BufferLayerConsumer. Always check mAbandoned before accessing.
		Layer* mLayer GUARDED_BY(mMutex);

		wp<ContentsChangedListener> mContentsChangedListener;