source: rtems/c/src/exec/score/src/coremsgflush.c @ 08311cc3

4.104.114.84.95
Last change on this file since 08311cc3 was 08311cc3, checked in by Joel Sherrill <joel.sherrill@…>, on 11/17/99 at 17:51:34

Updated copyright notice.

  • Property mode set to 100644
File size: 1.4 KB
Line 
1/*
2 *  CORE Message Queue Handler
3 *
4 *  DESCRIPTION:
5 *
6 *  This package is the implementation of the CORE Message Queue Handler.
7 *  This core object provides task synchronization and communication functions
8 *  via messages passed to queue objects.
9 *
10 *  COPYRIGHT (c) 1989-1999.
11 *  On-Line Applications Research Corporation (OAR).
12 *
13 *  The license and distribution terms for this file may be
14 *  found in the file LICENSE in this distribution or at
15 *  http://www.OARcorp.com/rtems/license.html.
16 *
17 *  $Id$
18 */
19
20#include <rtems/system.h>
21#include <rtems/score/chain.h>
22#include <rtems/score/isr.h>
23#include <rtems/score/object.h>
24#include <rtems/score/coremsg.h>
25#include <rtems/score/states.h>
26#include <rtems/score/thread.h>
27#include <rtems/score/wkspace.h>
28#if defined(RTEMS_MULTIPROCESSING)
29#include <rtems/score/mpci.h>
30#endif
31
32/*PAGE
33 *
34 *  _CORE_message_queue_Flush
35 *
36 *  This function flushes the message_queue's task wait queue.  The number
37 *  of messages flushed from the queue is returned.
38 *
39 *  Input parameters:
40 *    the_message_queue - the message_queue to be flushed
41 *
42 *  Output parameters:
43 *    returns - the number of messages flushed from the queue
44 */
45 
46unsigned32 _CORE_message_queue_Flush(
47  CORE_message_queue_Control *the_message_queue
48)
49{
50  if ( the_message_queue->number_of_pending_messages != 0 )
51    return _CORE_message_queue_Flush_support( the_message_queue );
52  else
53    return 0;
54}
55
Note: See TracBrowser for help on using the repository browser.