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dsound: Lock the source buffer during duplication.

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This commit is contained in:
Andrew Eikum 2012-01-16 14:02:45 -06:00 committed by Alexandre Julliard
parent ab73506528
commit 9cf7f95483
1 changed files with 6 additions and 0 deletions
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6
dlls/dsound/buffer.c
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@ -1083,9 +1083,15 @@ HRESULT IDirectSoundBufferImpl_Duplicate(
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
RtlAcquireResourceShared(&pdsb->lock, TRUE);
CopyMemory(dsb, pdsb, sizeof(*dsb));
dsb->pwfx = DSOUND_CopyFormat(pdsb->pwfx);
RtlReleaseResource(&pdsb->lock);
if (dsb->pwfx == NULL) {
HeapFree(GetProcessHeap(),0,dsb);
*ppdsb = NULL;