Zebediah Figura : hal: Implement ExTryToAcquireFastMutex().
Alexandre Julliard
julliard at winehq.org
Wed Jan 30 17:36:16 CST 2019
Module: wine
Branch: master
Commit: ec5edb4fc0b84cd58845e6ce689047ebbeeb885d
URL: https://source.winehq.org/git/wine.git/?a=commit;h=ec5edb4fc0b84cd58845e6ce689047ebbeeb885d
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Tue Jan 29 22:01:47 2019 -0600
hal: Implement ExTryToAcquireFastMutex().
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/hal/hal.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/dlls/hal/hal.c b/dlls/hal/hal.c
index 3e97796..6ef8765 100644
--- a/dlls/hal/hal.c
+++ b/dlls/hal/hal.c
@@ -81,10 +81,11 @@ void WINAPI DECLSPEC_HIDDEN __regs_ExReleaseFastMutex( FAST_MUTEX *mutex )
}
DEFINE_FASTCALL1_ENTRYPOINT( ExTryToAcquireFastMutex )
-BOOLEAN WINAPI DECLSPEC_HIDDEN __regs_ExTryToAcquireFastMutex(PFAST_MUTEX FastMutex)
+BOOLEAN WINAPI DECLSPEC_HIDDEN __regs_ExTryToAcquireFastMutex( FAST_MUTEX *mutex )
{
- FIXME("(%p) stub\n", FastMutex);
- return TRUE;
+ TRACE("mutex %p.\n", mutex);
+
+ return (InterlockedCompareExchange( &mutex->Count, 0, 1 ) == 1);
}
DEFINE_FASTCALL1_ENTRYPOINT( KfAcquireSpinLock )
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