Vacant

[mirrors/Programs.git] / c / pthread_extra / pthread_msgqueue.c

diff --git a/c/pthread_extra/pthread_msgqueue.c b/c/pthread_extra/pthread_msgqueue.c
index ff1a37f865e65afdab274ebc76f061b2748d848e..b8562965eef620cce7a21c634bab85129071c4c9 100644 (file)
--- a/c/pthread_extra/pthread_msgqueue.c
+++ b/c/pthread_extra/pthread_msgqueue.c
@@ -39,6 +39,10 @@ size_t pthread_mq_waiting(pthread_mq_t *mq) {
        return mq->msg_count;
 }
 
+size_t pthread_mq_vacant(pthread_mq_t *mq) {
+       return (mq->msg_count_max - mq->msg_count);
+}
+
 bool pthread_mq_reset(pthread_mq_t *mq) {
        if(pthread_mutex_lock(&mq->lock)) return false;
        mq->msg_count = 0;