summaryrefslogtreecommitdiffstats
path: root/cpukit/rtems/src/msgqallocate.c
blob: 70a6bef73477106aa1e1a6534e5b9fb3e245eb80 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
 *  Message Queue Manager
 *
 *
 *  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.
 *
 *  $Id$
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/system.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/chain.h>
#include <rtems/score/isr.h>
#include <rtems/score/coremsg.h>
#include <rtems/score/object.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#if defined(RTEMS_MULTIPROCESSING)
#include <rtems/score/mpci.h>
#endif
#include <rtems/rtems/status.h>
#include <rtems/rtems/attr.h>
#include <rtems/rtems/message.h>
#include <rtems/rtems/options.h>
#include <rtems/rtems/support.h>

/*
 *  _Message_queue_Allocate
 *
 *  Allocate a message queue and the space for its messages
 *
 *  Input parameters:
 *    the_message_queue - the message queue to allocate message buffers
 *    count             - maximum message and reserved buffer count
 *    max_message_size  - maximum size of each message
 *
 *  Output parameters:
 *    the_message_queue - set if successful, NULL otherwise
 */

Message_queue_Control *_Message_queue_Allocate(void)
{
  return (Message_queue_Control *)
    _Objects_Allocate(&_Message_queue_Information);
}