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/**
* @file
*
* @brief Close a Message Queue
* @ingroup ScoreMessageQueue
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/chain.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/score/coremsg.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
void _CORE_message_queue_Close(
CORE_message_queue_Control *the_message_queue,
Thread_queue_Flush_callout remote_extract_callout,
uint32_t status
)
{
/*
* This will flush blocked threads whether they were blocked on
* a send or receive.
*/
_Thread_queue_Flush(
&the_message_queue->Wait_queue,
remote_extract_callout,
status
);
/*
* This removes all messages from the pending message queue. Since
* we just flushed all waiting threads, we don't have to worry about
* the flush satisfying any blocked senders as a side-effect.
*/
if ( the_message_queue->number_of_pending_messages != 0 )
(void) _CORE_message_queue_Flush_support( the_message_queue );
(void) _Workspace_Free( the_message_queue->message_buffers );
}
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