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fix TRY_ACQUIRE_LOCK on Windows.
[ghc-hetmet.git]
/
includes
/
rts
/
OSThreads.h
diff --git
a/includes/rts/OSThreads.h
b/includes/rts/OSThreads.h
index
ee59a5f
..
a24459c
100644
(file)
--- a/
includes/rts/OSThreads.h
+++ b/
includes/rts/OSThreads.h
@@
-126,7
+126,7
@@
typedef CRITICAL_SECTION Mutex;
#else
#define ACQUIRE_LOCK(mutex) EnterCriticalSection(mutex)
#else
#define ACQUIRE_LOCK(mutex) EnterCriticalSection(mutex)
-#define TRY_ACQUIRE_LOCK(mutex) (TryEnterCriticalSection(mutex) != 0)
+#define TRY_ACQUIRE_LOCK(mutex) (TryEnterCriticalSection(mutex) == 0)
#define RELEASE_LOCK(mutex) LeaveCriticalSection(mutex)
// I don't know how to do this. TryEnterCriticalSection() doesn't do
#define RELEASE_LOCK(mutex) LeaveCriticalSection(mutex)
// I don't know how to do this. TryEnterCriticalSection() doesn't do