Andrew Eikum : dsound: Lock the source buffer during duplication.
Alexandre Julliard
julliard at winehq.org
Tue Jan 17 13:45:24 CST 2012
Module: wine
Branch: master
Commit: 9cf7f95483cfa10b01a4cbd2dc97bee2b0c82235
URL: http://source.winehq.org/git/wine.git/?a=commit;h=9cf7f95483cfa10b01a4cbd2dc97bee2b0c82235
Author: Andrew Eikum <aeikum at codeweavers.com>
Date: Mon Jan 16 14:02:45 2012 -0600
dsound: Lock the source buffer during duplication.
---
dlls/dsound/buffer.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/dlls/dsound/buffer.c b/dlls/dsound/buffer.c
index bc9b955..1ea2d0d 100644
--- a/dlls/dsound/buffer.c
+++ b/dlls/dsound/buffer.c
@@ -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;
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