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quartz/dsoundrender: Don't drop stream_cs in DSoundRender_HandleEndOfStream(). 

We don't grab stream_cs to change any variables checked here, except to reset
flush_event, and that cannot result in a deadlock.

The only possible deadlocks here are:

(1) between this function and Receive(), which is correct, as the two
    should presumably be serialized;

(2) between this function and EndFlush(); however, in that case we expect
    BeginFlush() first, which will unblock the streaming thread.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-11-30 23:51:33 -06:00 committed by Alexandre Julliard
parent 3933ceca58
commit 2d6043eb4f
1 changed files with 0 additions and 2 deletions
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2
dlls/quartz/dsoundrender.c
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@ -236,9 +236,7 @@ static HRESULT DSoundRender_HandleEndOfStream(struct dsound_render *This)
if (pos1 == pos2)
break;
LeaveCriticalSection(&This->stream_cs);
WaitForSingleObject(This->flush_event, 10);
EnterCriticalSection(&This->stream_cs);
}
return S_OK;