#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