source: rtems/cpukit/posix/inline/rtems/posix/mqueue.inl @ ef49476

4.104.114.95
Last change on this file since ef49476 was ef49476, checked in by Ralf Corsepius <ralf.corsepius@…>, on 08/19/08 at 08:32:59

Add header guard to force indirect inclusion.
  • Property mode set to 100644
File size: 3.1 KB
Line 
1/**
2 * @file rtems/posix/mqueue.inl
3 */
4
5/*  rtems/posix/mqueue.inl
6 *
7 *  This include file contains the static inline implementation of the private
8 *  inlined routines for POSIX Message Queue.
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.rtems.com/license/LICENSE.
16 *
17 *  $Id$
18 */
19 
20#ifndef _RTEMS_POSIX_MQUEUE_H
21# error "Never use <rtems/posix/mqueue.inl> directly; include <rtems/posix/mqueue.h> instead."
22#endif
23
24#ifndef _RTEMS_POSIX_MQUEUE_INL
25#define _RTEMS_POSIX_MQUEUE_INL
26 
27/*PAGE
28 *
29 *  _POSIX_Message_queue_Allocate
30 */
31 
32RTEMS_INLINE_ROUTINE
33  POSIX_Message_queue_Control *_POSIX_Message_queue_Allocate( void )
34{
35  return (POSIX_Message_queue_Control *)
36    _Objects_Allocate( &_POSIX_Message_queue_Information );
37}
38 
39/*PAGE
40 *
41 *  _POSIX_Message_queue_Allocate_fd
42 */
43 
44RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control_fd *
45  _POSIX_Message_queue_Allocate_fd( void )
46{
47  return (POSIX_Message_queue_Control_fd *)
48    _Objects_Allocate( &_POSIX_Message_queue_Information_fds );
49}
50 
51/*PAGE
52 *
53 *  _POSIX_Message_queue_Free
54 */
55 
56RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Free (
57  POSIX_Message_queue_Control *the_mq
58)
59{
60  _Objects_Free( &_POSIX_Message_queue_Information, &the_mq->Object );
61}
62
63/*PAGE
64 *
65 *  _POSIX_Message_queue_Free_fd
66 */
67 
68RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Free_fd (
69  POSIX_Message_queue_Control_fd *the_mq_fd
70)
71{
72  _Objects_Free( &_POSIX_Message_queue_Information_fds, &the_mq_fd->Object );
73}
74
75/*PAGE
76 *
77 *  _POSIX_Message_queue_Namespace_remove
78 */
79 
80RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Namespace_remove (
81  POSIX_Message_queue_Control *the_mq
82)
83{
84  _Objects_Namespace_remove(
85    &_POSIX_Message_queue_Information, &the_mq->Object );
86}
87 
88/*PAGE
89 *
90 *  _POSIX_Message_queue_Get
91 */
92 
93RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control *_POSIX_Message_queue_Get (
94  Objects_Id         id,
95  Objects_Locations *location
96)
97{
98  return (POSIX_Message_queue_Control *)
99    _Objects_Get( &_POSIX_Message_queue_Information, id, location );
100}
101 
102/*PAGE
103 *
104 *  _POSIX_Message_queue_Get_fd
105 */
106 
107RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control_fd *_POSIX_Message_queue_Get_fd (
108  Objects_Id         id,
109  Objects_Locations *location
110)
111{
112  return (POSIX_Message_queue_Control_fd *)
113    _Objects_Get( &_POSIX_Message_queue_Information_fds, id, location );
114}
115 
116/*PAGE
117 *
118 *  _POSIX_Message_queue_Is_null
119 */
120 
121RTEMS_INLINE_ROUTINE boolean _POSIX_Message_queue_Is_null (
122  POSIX_Message_queue_Control *the_mq
123)
124{
125  return !the_mq;
126}
127
128/*PAGE
129 *
130 *  _POSIX_Message_queue_Priority_to_core
131 */
132 
133RTEMS_INLINE_ROUTINE CORE_message_queue_Submit_types _POSIX_Message_queue_Priority_to_core(
134  unsigned int priority
135)
136{
137  return priority * -1;
138}
139
140/*
141 *  _POSIX_Message_queue_Priority_from_core
142 *
143 *  DESCRIPTION:
144 *
145 *  XXX
146 */
147 
148RTEMS_INLINE_ROUTINE unsigned int _POSIX_Message_queue_Priority_from_core(
149  CORE_message_queue_Submit_types priority
150)
151{
152  /* absolute value without a library dependency */
153  return ((priority >= 0) ? priority : -priority);
154}
155
156#endif
157/*  end of include file */
158
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