source: rtems/cpukit/rtems/src/msgqurgent.c

Last change on this file was c4fb617, checked in by Joel Sherrill <joel@…>, on 02/16/22 at 22:28:43

cpukit/rtems/src/[a-r]*.c: Change license to BSD-2

Updates #3053.

  • Property mode set to 100644
File size: 2.6 KB
Line 
1/* SPDX-License-Identifier: BSD-2-Clause */
2
3/**
4 * @file
5 *
6 * @ingroup RTEMSImplClassicMessage
7 *
8 * @brief This source file contains the implementation of
9 *   rtems_message_queue_urgent().
10 */
11
12/*
13 *  COPYRIGHT (c) 1989-2014.
14 *  On-Line Applications Research Corporation (OAR).
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 *    notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 *    notice, this list of conditions and the following disclaimer in the
23 *    documentation and/or other materials provided with the distribution.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#ifdef HAVE_CONFIG_H
39#include "config.h"
40#endif
41
42#include <rtems/rtems/messageimpl.h>
43#include <rtems/rtems/statusimpl.h>
44
45rtems_status_code rtems_message_queue_urgent(
46  rtems_id    id,
47  const void *buffer,
48  size_t      size
49)
50{
51  Message_queue_Control *the_message_queue;
52  Thread_queue_Context   queue_context;
53  Status_Control         status;
54
55  if ( buffer == NULL ) {
56    return RTEMS_INVALID_ADDRESS;
57  }
58
59  the_message_queue = _Message_queue_Get( id, &queue_context );
60
61  if ( the_message_queue == NULL ) {
62#if defined(RTEMS_MULTIPROCESSING)
63    return _Message_queue_MP_Urgent( id, buffer, size );
64#else
65    return RTEMS_INVALID_ID;
66#endif
67  }
68
69  _CORE_message_queue_Acquire_critical(
70    &the_message_queue->message_queue,
71    &queue_context
72  );
73  _Thread_queue_Context_set_MP_callout(
74    &queue_context,
75    _Message_queue_Core_message_queue_mp_support
76  );
77  status = _CORE_message_queue_Urgent(
78    &the_message_queue->message_queue,
79    buffer,
80    size,
81    false,   /* sender does not block */
82    &queue_context
83  );
84  return _Status_Get( status );
85}
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