22 #ifndef AVUTIL_THREAD_H 23 #define AVUTIL_THREAD_H 27 #if HAVE_PTHREADS || HAVE_W32THREADS 35 #define AVMutex pthread_mutex_t 37 #define ff_mutex_init pthread_mutex_init 38 #define ff_mutex_lock pthread_mutex_lock 39 #define ff_mutex_unlock pthread_mutex_unlock 40 #define ff_mutex_destroy pthread_mutex_destroy 42 #define AVOnce pthread_once_t 43 #define AV_ONCE_INIT PTHREAD_ONCE_INIT 45 #define ff_thread_once(control, routine) pthread_once(control, routine) 51 #define ff_mutex_init(mutex, attr) (0) 52 #define ff_mutex_lock(mutex) (0) 53 #define ff_mutex_unlock(mutex) (0) 54 #define ff_mutex_destroy(mutex) (0) 57 #define AV_ONCE_INIT 0
static int ff_thread_once(char *control, void(*routine)(void))
w32threads to pthreads wrapper