PTHREAD_MUTEX_UNLOCK  251 magick/semaphore.c   PTHREAD_MUTEX_UNLOCK(&semaphore_mutex);
PTHREAD_MUTEX_UNLOCK  417 magick/semaphore.c   PTHREAD_MUTEX_UNLOCK(&semaphore_mutex);
PTHREAD_MUTEX_UNLOCK  564 magick/semaphore.c   PTHREAD_MUTEX_UNLOCK(&semaphore_info->mutex);