score: _CORE_message_queue_Submit()

Move lock acquire to caller of _CORE_message_queue_Submit() to allow
state checks during send operations under lock protection.

cpukit/posix/src/mqueuesendsupp.c

@@ -96,6 +96,11 @@ int _POSIX_Message_queue_Send_support(
       else
         do_wait = wait;
 
+      _CORE_message_queue_Acquire_critical(
+        &the_mq->Message_queue,
+        &lock_context
+      );
+
       /*
        *  Now perform the actual message receive
        */

cpukit/rtems/src/msgqsend.c

@@ -52,6 +52,10 @@ rtems_status_code rtems_message_queue_send(
   switch ( location ) {
 
     case OBJECTS_LOCAL:
+      _CORE_message_queue_Acquire_critical(
+        &the_message_queue->message_queue,
+        &lock_context
+      );
       status = _CORE_message_queue_Send(
         &the_message_queue->message_queue,
         buffer,

cpukit/rtems/src/msgqurgent.c

@@ -52,6 +52,10 @@ rtems_status_code rtems_message_queue_urgent(
   switch ( location ) {
 
     case OBJECTS_LOCAL:
+      _CORE_message_queue_Acquire_critical(
+        &the_message_queue->message_queue,
+        &lock_context
+      );
       status = _CORE_message_queue_Urgent(
         &the_message_queue->message_queue,
         buffer,

cpukit/score/src/coremsgsubmit.c

@@ -44,12 +44,10 @@ CORE_message_queue_Status _CORE_message_queue_Do_submit(
   Thread_Control                    *the_thread;
 
   if ( size > the_message_queue->maximum_message_size ) {
-    _ISR_lock_ISR_enable( lock_context );
+    _CORE_message_queue_Release( the_message_queue, lock_context );
     return CORE_MESSAGE_QUEUE_STATUS_INVALID_SIZE;
   }
 
-  _CORE_message_queue_Acquire_critical( the_message_queue, lock_context );
-
   /*
    *  Is there a thread currently waiting on this message queue?
    */