diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-12-27 10:26:56 -0800 |
|---|---|---|
| committer |   Dave Wallace <dwallacelf@gmail.com> | 2020-08-12 14:37:52 +0000 |
| commit | 34ccf72c4adabfb06081917b702b017b85f8e21b (patch) | |
| tree | e8e6215316064ca8058d2af0c8ce9d884f18809c /src/svm/message_queue.c | |
| parent | 1144fb0f98ad4c7b84aad6b480933fa409c6f4c7 (diff) | |
svm: broadcast on raw dequeues and full rings
Type: fix
Change-Id: I0cac9001290e7ed4e2e318ae62c56e97ec75a3db
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit fea813ae3de5343a2bc91306fddf6dbd1832f93d)
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 6113450e7cb..c8c54184dbe 100644 --- a/src/svm/message_queue.c +++ b/src/svm/message_queue.c @@ -169,6 +169,7 @@ 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]; @@ -182,7 +183,12 @@ 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 |