Merge "TransactionCompletedListener: Mutex for getInstance" into tm-dev (33bef8d9) · Commits · e / os / platform_frameworks_native

libs/gui/SurfaceComposerClient.cpp

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -208,12 +208,14 @@ int64_t TransactionCompletedListener::getNextIdLocked() {
	}		}

	sp<TransactionCompletedListener> TransactionCompletedListener::sInstance = nullptr;		sp<TransactionCompletedListener> TransactionCompletedListener::sInstance = nullptr;
			static std::mutex sListenerInstanceMutex;

	void TransactionCompletedListener::setInstance(const sp<TransactionCompletedListener>& listener) {		void TransactionCompletedListener::setInstance(const sp<TransactionCompletedListener>& listener) {
	sInstance = listener;		sInstance = listener;
	}		}

	sp<TransactionCompletedListener> TransactionCompletedListener::getInstance() {		sp<TransactionCompletedListener> TransactionCompletedListener::getInstance() {
			std::lock_guard<std::mutex> lock(sListenerInstanceMutex);
	if (sInstance == nullptr) {		if (sInstance == nullptr) {
	sInstance = new TransactionCompletedListener;		sInstance = new TransactionCompletedListener;
	}		}