svm: fix mutex consistency on trylock

[vpp.git] / src / svm / message_queue.h

diff --git a/src/svm/message_queue.h b/src/svm/message_queue.h
index 13f4d80..d4c47d7 100644 (file)
--- a/src/svm/message_queue.h
+++ b/src/svm/message_queue.h
@@ -302,7 +302,10 @@ svm_msg_q_msg_is_invalid (svm_msg_q_msg_t * msg)
 static inline int
 svm_msg_q_try_lock (svm_msg_q_t * mq)
 {
-  return pthread_mutex_trylock (&mq->q->mutex);
+  int rv = pthread_mutex_trylock (&mq->q->mutex);
+  if (PREDICT_FALSE (rv == EOWNERDEAD))
+    rv = pthread_mutex_consistent (&mq->q->mutex);
+  return rv;
 }
 
 /**