diff options
Diffstat (limited to 'src/svm/message_queue.c')
| -rw-r--r-- | src/svm/message_queue.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/svm/message_queue.c b/src/svm/message_queue.c index 10266a8039c..b381173c70b 100644 --- a/src/svm/message_queue.c +++ b/src/svm/message_queue.c @@ -170,6 +170,7 @@ void svm_msg_q_free_msg (svm_msg_q_t * mq, svm_msg_q_msg_t * msg) { svm_msg_q_ring_t *ring; + int need_signal; ASSERT (vec_len (mq->rings) > msg->ring_index); ring = &mq->rings[msg->ring_index]; @@ -183,7 +184,12 @@ svm_msg_q_free_msg (svm_msg_q_t * mq, svm_msg_q_msg_t * msg) /* for now, expect messages to be processed in order */ ASSERT (0); } + + need_signal = ring->cursize == ring->nitems; clib_atomic_fetch_sub (&ring->cursize, 1); + + if (PREDICT_FALSE (need_signal)) + svm_queue_send_signal (mq->q, 0); } static int |