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-rw-r--r--src/vnet/session/session_api.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 7e7cffbbdd4..00e67dcd2d0 100644
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -93,6 +93,12 @@ mq_try_lock_and_alloc_msg (svm_msg_q_t * app_mq, svm_msg_q_msg_t * msg)
SVM_Q_NOWAIT, msg);
if (!rv)
return 0;
+ /*
+ * Break the loop if mq is full, usually this is because the
+ * app has crashed or is hanging on somewhere.
+ */
+ if (rv != -1)
+ break;
try++;
usleep (1);
}