28 glwthread_mutex_init (glwthread_mutex_t *mutex)  in glwthread_mutex_init()  argument
30   InitializeCriticalSection (&mutex->lock);  in glwthread_mutex_init()
31   mutex->guard.done = 1;  in glwthread_mutex_init()
35 glwthread_mutex_lock (glwthread_mutex_t *mutex)  in glwthread_mutex_lock()  argument
37   if (!mutex->guard.done)  in glwthread_mutex_lock()
39       if (InterlockedIncrement (&mutex->guard.started) == 0)  in glwthread_mutex_lock()
41         glwthread_mutex_init (mutex);  in glwthread_mutex_lock()
45           InterlockedDecrement (&mutex->guard.started);  in glwthread_mutex_lock()
48           while (!mutex->guard.done)  in glwthread_mutex_lock()
52   EnterCriticalSection (&mutex->lock);  in glwthread_mutex_lock()
57 glwthread_mutex_trylock (glwthread_mutex_t *mutex)  in glwthread_mutex_trylock()  argument
59   if (!mutex->guard.done)  in glwthread_mutex_trylock()
61       if (InterlockedIncrement (&mutex->guard.started) == 0)  in glwthread_mutex_trylock()
63         glwthread_mutex_init (mutex);  in glwthread_mutex_trylock()
67           InterlockedDecrement (&mutex->guard.started);  in glwthread_mutex_trylock()
73   if (!TryEnterCriticalSection (&mutex->lock))  in glwthread_mutex_trylock()
79 glwthread_mutex_unlock (glwthread_mutex_t *mutex)  in glwthread_mutex_unlock()  argument
81   if (!mutex->guard.done)  in glwthread_mutex_unlock()
83   LeaveCriticalSection (&mutex->lock);  in glwthread_mutex_unlock()
88 glwthread_mutex_destroy (glwthread_mutex_t *mutex)  in glwthread_mutex_destroy()  argument
90   if (!mutex->guard.done)  in glwthread_mutex_destroy()
92   DeleteCriticalSection (&mutex->lock);  in glwthread_mutex_destroy()
93   mutex->guard.done = 0;  in glwthread_mutex_destroy()