vcl: handle old events before blocking in epoll

[vpp.git] / src / vcl / vppcom.c

diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 7274749..5423bb6 100644 (file)
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -2421,6 +2421,9 @@ vcl_epoll_wait_handle_mq (vcl_worker_t * wrk, svm_msg_q_t * mq,
   session_event_t *e;
   int i;
 
+  if (vec_len (wrk->mq_msg_vector) && svm_msg_q_is_empty (mq))
+    goto handle_dequeued;
+
   svm_msg_q_lock (mq);
   if (svm_msg_q_is_empty (mq))
     {
@@ -2445,6 +2448,7 @@ vcl_epoll_wait_handle_mq (vcl_worker_t * wrk, svm_msg_q_t * mq,
   vcl_mq_dequeue_batch (wrk, mq);
   svm_msg_q_unlock (mq);
 
+handle_dequeued:
   for (i = 0; i < vec_len (wrk->mq_msg_vector); i++)
     {
       msg = vec_elt_at_index (wrk->mq_msg_vector, i);
@@ -2457,7 +2461,6 @@ vcl_epoll_wait_handle_mq (vcl_worker_t * wrk, svm_msg_q_t * mq,
          break;
        }
     }
-
   vec_delete (wrk->mq_msg_vector, i, 0);
 
   return *num_ev;