253   objc_mutex_t mutex;  in objc_mutex_allocate()  local
256   if (! (mutex = (objc_mutex_t)objc_malloc (sizeof (struct objc_mutex))))  in objc_mutex_allocate()
260   if (__gthread_objc_mutex_allocate (mutex))  in objc_mutex_allocate()
263       objc_free (mutex);  in objc_mutex_allocate()
268   mutex->owner = NULL;  in objc_mutex_allocate()
269   mutex->depth = 0;  in objc_mutex_allocate()
270   return mutex;  in objc_mutex_allocate()
279 objc_mutex_deallocate (objc_mutex_t mutex)  in objc_mutex_deallocate()  argument
284   if (! mutex)  in objc_mutex_deallocate()
288   depth = objc_mutex_lock (mutex);  in objc_mutex_deallocate()
291   if (__gthread_objc_mutex_deallocate (mutex))  in objc_mutex_deallocate()
295   objc_free (mutex);  in objc_mutex_deallocate()
306 objc_mutex_lock (objc_mutex_t mutex)  in objc_mutex_lock()  argument
312   if (! mutex)  in objc_mutex_lock()
317   if (mutex->owner == thread_id)  in objc_mutex_lock()
318     return ++mutex->depth;  in objc_mutex_lock()
321   status = __gthread_objc_mutex_lock (mutex);  in objc_mutex_lock()
328   mutex->owner = thread_id;  in objc_mutex_lock()
329   return mutex->depth = 1;  in objc_mutex_lock()
336 objc_mutex_trylock (objc_mutex_t mutex)  in objc_mutex_trylock()  argument
342   if (! mutex)  in objc_mutex_trylock()
347   if (mutex->owner == thread_id)  in objc_mutex_trylock()
348     return ++mutex->depth;  in objc_mutex_trylock()
351   status = __gthread_objc_mutex_trylock (mutex);  in objc_mutex_trylock()
358   mutex->owner = thread_id;  in objc_mutex_trylock()
359   return mutex->depth = 1;  in objc_mutex_trylock()
368 objc_mutex_unlock (objc_mutex_t mutex)  in objc_mutex_unlock()  argument
374   if (! mutex)  in objc_mutex_unlock()
379   if (mutex->owner != thread_id)  in objc_mutex_unlock()
383   if (mutex->depth > 1)  in objc_mutex_unlock()
384     return --mutex->depth;  in objc_mutex_unlock()
387   mutex->depth = 0;  in objc_mutex_unlock()
388   mutex->owner = NULL;  in objc_mutex_unlock()
391   status = __gthread_objc_mutex_unlock (mutex);  in objc_mutex_unlock()
456 objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex)  in objc_condition_wait()  argument
461   if (! mutex || ! condition)  in objc_condition_wait()
466   if (mutex->owner != thread_id)  in objc_condition_wait()
470   if (mutex->depth > 1)  in objc_condition_wait()
474   mutex->depth = 0;  in objc_condition_wait()
475   mutex->owner = (objc_thread_t)NULL;  in objc_condition_wait()
478   __gthread_objc_condition_wait (condition, mutex);  in objc_condition_wait()
481   mutex->owner = thread_id;  in objc_condition_wait()
482   mutex->depth = 1;  in objc_condition_wait()