mqueue.h

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/*
 *  COPYRIGHT (c) 1989-2011.
 *  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.org/license/LICENSE.
 */

#ifndef _RTEMS_POSIX_MQUEUE_H
#define _RTEMS_POSIX_MQUEUE_H

#include <rtems/score/coremsg.h>
#include <rtems/score/objectdata.h>

#include <limits.h>
#include <mqueue.h>
#include <signal.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 *  Data Structure used to manage a POSIX message queue
 */

typedef struct {
   Objects_Control             Object;
   CORE_message_queue_Control  Message_queue;
   bool                        linked;
   uint32_t                    open_count;
   struct sigevent             notification;
   int                         oflag;
}  POSIX_Message_queue_Control;

extern Objects_Information _POSIX_Message_queue_Information;

#define POSIX_MESSAGE_QUEUE_INFORMATION_DEFINE( max ) \
  OBJECTS_INFORMATION_DEFINE( \
    _POSIX_Message_queue, \
    OBJECTS_POSIX_API, \
    OBJECTS_POSIX_MESSAGE_QUEUES, \
    POSIX_Message_queue_Control, \
    max, \
    _POSIX_PATH_MAX, \
    NULL \
  )

#ifdef __cplusplus
}
#endif

#endif
/*  end of include file */