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-rw-r--r--cpukit/posix/src/mqueuerecvsupp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/cpukit/posix/src/mqueuerecvsupp.c b/cpukit/posix/src/mqueuerecvsupp.c
index bbbc23443c..ecdadb344e 100644
--- a/cpukit/posix/src/mqueuerecvsupp.c
+++ b/cpukit/posix/src/mqueuerecvsupp.c
@@ -96,6 +96,11 @@ ssize_t _POSIX_Message_queue_Receive_support(
else
do_wait = wait;
+ _CORE_message_queue_Acquire_critical(
+ &the_mq->Message_queue,
+ &lock_context
+ );
+
/*
* Now perform the actual message receive
*/