20 InitializeNonRecursiveMutex(PNRMUTEX mutex)  in InitializeNonRecursiveMutex()  argument
22     mutex->owned = -1 ;  /* No threads have entered NonRecursiveMutex */  in InitializeNonRecursiveMutex()
23     mutex->thread_id = 0 ;  in InitializeNonRecursiveMutex()
24     mutex->hevent = CreateEvent(NULL, FALSE, FALSE, NULL) ;  in InitializeNonRecursiveMutex()
25     return mutex->hevent != NULL ;      /* TRUE if the mutex is created */  in InitializeNonRecursiveMutex()
29 DeleteNonRecursiveMutex(PNRMUTEX mutex)  in DeleteNonRecursiveMutex()  argument
32     CloseHandle(mutex->hevent) ;  in DeleteNonRecursiveMutex()
33     mutex->hevent = NULL ; /* Just in case */  in DeleteNonRecursiveMutex()
37 EnterNonRecursiveMutex(PNRMUTEX mutex, BOOL wait)  in EnterNonRecursiveMutex()  argument
45         if (InterlockedCompareExchange(&mutex->owned, 0, -1) != -1)  in EnterNonRecursiveMutex()
50         ret = InterlockedIncrement(&mutex->owned) ?  in EnterNonRecursiveMutex()
52             WaitForSingleObject(mutex->hevent, INFINITE) : WAIT_OBJECT_0 ;  in EnterNonRecursiveMutex()
54     mutex->thread_id = GetCurrentThreadId() ; /* We own it */  in EnterNonRecursiveMutex()
59 LeaveNonRecursiveMutex(PNRMUTEX mutex)  in LeaveNonRecursiveMutex()  argument
62     mutex->thread_id = 0 ;  in LeaveNonRecursiveMutex()
64         InterlockedDecrement(&mutex->owned) < 0 ||  in LeaveNonRecursiveMutex()
65         SetEvent(mutex->hevent) ; /* Other threads are waiting, wake one on them up */  in LeaveNonRecursiveMutex()
71     PNRMUTEX mutex = (PNRMUTEX)malloc(sizeof(NRMUTEX)) ;  in AllocNonRecursiveMutex()  local
72     if (mutex && !InitializeNonRecursiveMutex(mutex))  in AllocNonRecursiveMutex()
74         free(mutex) ;  in AllocNonRecursiveMutex()
75         mutex = NULL ;  in AllocNonRecursiveMutex()
77     return mutex ;  in AllocNonRecursiveMutex()
81 FreeNonRecursiveMutex(PNRMUTEX mutex)  in FreeNonRecursiveMutex()  argument
83     if (mutex)  in FreeNonRecursiveMutex()
85         DeleteNonRecursiveMutex(mutex) ;  in FreeNonRecursiveMutex()
86         free(mutex) ;  in FreeNonRecursiveMutex()