Wait for Overlay thread exit before returning

Fixes: 292390484
Test: screenrecord still works
Change-Id: I8ef8b38214511896ace1455fe1bc6d4199ba48c6

parent fb159b24

cmds/screenrecord/Overlay.cpp

+6 −3

Original line number	Diff line number	Diff line
		@@ -90,9 +90,12 @@ status_t Overlay::start(const sp<IGraphicBufferProducer>& outputSurface,

		status_t Overlay::stop() {
		ALOGV("Overlay::stop");
		{
		Mutex::Autolock _l(mMutex);
		mState = STOPPING;
		mEventCond.signal();
		}
		join();
		return NO_ERROR;
		}