libc/stdlib/atexit.c

77 mutex_t __atexit_mutex;
88  * __atexit_mutex must be held.
108 	 * handler.  Allocate a new one.  We keep the __atexit_mutex
117  * Initialize __atexit_mutex with the PTHREAD_MUTEX_RECURSIVE attribute.
127 	mutex_init(&__atexit_mutex, &atexit_mutex_attr);
156 	mutex_lock(&__atexit_mutex);
160 		mutex_unlock(&__atexit_mutex);
171 	mutex_unlock(&__atexit_mutex);
198 	mutex_lock(&__atexit_mutex);
243 	mutex_unlock(&__atexit_mutex);