43     pthread_mutex_t mutex;  member
66         pthread_mutex_init(&msgq->mutex, &msgq->mutexattr);  in msgQCreate()
82         pthread_mutex_lock(&(msgq->mutex));  in msgQDelete()
88         pthread_mutex_unlock(&(msgq->mutex));  in msgQDelete()
89         pthread_mutex_destroy(&(msgq->mutex));  in msgQDelete()
103         pthread_mutex_lock(&(msgq->mutex));  in msgQSend()
116         pthread_mutex_unlock(&(msgq->mutex));  in msgQSend()
135             pthread_mutex_lock(&(msgq->mutex));  in msgQReceive()
142             pthread_mutex_unlock(&(msgq->mutex));  in msgQReceive()
153         pthread_mutex_lock(&(msgq->mutex));  in msgQNumMsgs()
155         pthread_mutex_unlock(&(msgq->mutex));  in msgQNumMsgs()