RTEMS  5.0.0
mqueue.h
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1 
22 /*
23  * COPYRIGHT (c) 1989-2011.
24  * On-Line Applications Research Corporation (OAR).
25  *
26  * The license and distribution terms for this file may be
27  * found in the file LICENSE in this distribution or at
28  * http://www.rtems.org/license/LICENSE.
29  */
30 
31 #ifndef _RTEMS_POSIX_MQUEUE_H
32 #define _RTEMS_POSIX_MQUEUE_H
33 
34 #include <rtems/score/coremsg.h>
35 #include <rtems/score/objectdata.h>
36 
37 #include <limits.h>
38 #include <mqueue.h>
39 #include <signal.h>
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
53 /*
54  * Data Structure used to manage a POSIX message queue
55  */
56 
57 typedef struct {
58  Objects_Control Object;
59  CORE_message_queue_Control Message_queue;
60  bool linked;
61  uint32_t open_count;
62  struct sigevent notification;
63  int oflag;
65 
70 
80 #define POSIX_MESSAGE_QUEUE_INFORMATION_DEFINE( max ) \
81  OBJECTS_INFORMATION_DEFINE( \
82  _POSIX_Message_queue, \
83  OBJECTS_POSIX_API, \
84  OBJECTS_POSIX_MESSAGE_QUEUES, \
85  POSIX_Message_queue_Control, \
86  max, \
87  _POSIX_PATH_MAX, \
88  NULL \
89  )
90 
93 #ifdef __cplusplus
94 }
95 #endif
96 
97 #endif
98 /* end of include file */
Definition: objectdata.h:39
Object Handler Data Structures.
Objects_Information _POSIX_Message_queue_Information
The POSIX Message Queue objects information.
The information structure used to manage each API class of objects.
Definition: objectdata.h:160
POSIX Message Queues Private Private Support.
Constants and Structures Associated with the Message Queue Handler.
Control block used to manage each message queue.
Definition: coremsg.h:131
Definition: mqueue.h:57