CVS: winex/dlls/winmm/winealsa audio.c,1.47,1.48

Subject: winex/dlls/winmm/winealsa audio.c,1.47,1.48Update of /var/lib/cvsd/cvsroot/winex/dlls/winmm/winealsa
In directory agravaine:/tmp/cvs-serv24890/dlls/winmm/winealsa

Modified Files:
	audio.c 
Log Message:
Figured can't hurt to make the locking I just added a bit more race-free.
(Probably should have done it before my last checkin, but...)


Index: audio.c
===================================================================
RCS file: /var/lib/cvsd/cvsroot/winex/dlls/winmm/winealsa/audio.c,v
retrieving revision 1.47
retrieving revision 1.48
diff -u -d -r1.47 -r1.48
--- audio.c	30 Mar 2007 21:34:31 -0000	1.47
+++ audio.c	30 Mar 2007 21:35:00 -0000	1.48
@@ -2187,17 +2187,17 @@
     /* snd_pcm_t *               handle = snd_async_handler_get_pcm(ahandler); */
     IDsDriverBufferImpl*      pdbi = snd_async_handler_get_callback_private(ahandler);
     TRACE("callback called\n");
+    InterlockedIncrement(&pdbi->mmap_copy_pending);
     /* try to acquire critical section (must not block) */
     if (!TryEnterCriticalSection(&pdbi->mmap_crst)) {
-        InterlockedIncrement(&pdbi->mmap_copy_pending);
         return;
     }
     /* don't accept a recursive lock, it means we interrupted something */
     if (pdbi->mmap_crst.RecursionCount > 1) {
-        InterlockedIncrement(&pdbi->mmap_copy_pending);
         LeaveCriticalSection(&pdbi->mmap_crst);
         return;
     }
+    InterlockedExchange(&pdbi->mmap_copy_pending, 0);
     DSDB_MMAPCopy(pdbi);
     LeaveCriticalSection(&pdbi->mmap_crst);
 }