/usr/include/xenomai/posix/mqueue.h is in libxenomai-dev 2.6.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005 Philippe Gerum <rpm@xenomai.org>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _XENO_POSIX_MQUEUE_H
#define _XENO_POSIX_MQUEUE_H
#if defined(__KERNEL__) || defined(__XENO_SIM__)
#include <nucleus/xenomai.h>
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/signal.h>
#include <linux/fcntl.h>
#endif /* !__KERNEL__ */
#ifdef __XENO_SIM__
#include <posix_overrides.h>
#endif /* __XENO_SIM__ */
#else /* !(__KERNEL__ || __XENO_SIM__) */
#include <xeno_config.h>
#include <fcntl.h>
#endif /* !(__KERNEL__ || __XENO_SIM__) */
#if defined(__KERNEL__) || defined(__XENO_SIM__) || !defined(CONFIG_XENO_HAVE_MQUEUE_H)
#ifndef MQ_PRIO_MAX
#define MQ_PRIO_MAX 32768
#endif
#ifndef __KERNEL__
typedef unsigned long mqd_t;
#endif /* !__KERNEL__ */
struct mq_attr {
long mq_flags;
long mq_maxmsg;
long mq_msgsize;
long mq_curmsgs;
};
#ifdef __cplusplus
extern "C" {
#endif
int mq_getattr(mqd_t qd,
struct mq_attr *attr);
int mq_setattr(mqd_t qd,
const struct mq_attr *__restrict__ attr,
struct mq_attr *__restrict__ oattr);
int mq_send(mqd_t qd,
const char *buffer,
size_t len,
unsigned prio);
int mq_close(mqd_t qd);
ssize_t mq_receive(mqd_t q,
char *buffer,
size_t len,
unsigned *prio);
ssize_t mq_timedreceive(mqd_t q,
char *__restrict__ buffer,
size_t len,
unsigned *__restrict__ prio,
const struct timespec *__restrict__ timeout);
int mq_timedsend(mqd_t q,
const char *buffer,
size_t len,
unsigned prio,
const struct timespec *timeout);
int mq_notify(mqd_t mqdes, const struct sigevent *notification);
mqd_t mq_open(const char *name,
int oflags,
...);
int mq_unlink(const char *name);
#ifdef __cplusplus
}
#endif
#else /* !(__KERNEL__ || __XENO_SIM__ || !CONFIG_XENO_HAVE_MQUEUE_H) */
#pragma GCC system_header
#include_next <mqueue.h>
#ifdef __cplusplus
extern "C" {
#endif
mqd_t __real_mq_open(const char *name,
int oflags,
...);
int __real_mq_close(mqd_t qd);
int __real_mq_unlink(const char *name);
int __real_mq_getattr(mqd_t qd,
struct mq_attr *attr);
int __real_mq_setattr(mqd_t qd,
const struct mq_attr *__restrict__ attr,
struct mq_attr *__restrict__ oattr);
int __real_mq_send(mqd_t qd,
const char *buffer,
size_t len,
unsigned prio);
int __real_mq_timedsend(mqd_t q,
const char * buffer,
size_t len,
unsigned prio,
const struct timespec *timeout);
ssize_t __real_mq_receive(mqd_t q,
char *buffer,
size_t len,
unsigned *prio);
ssize_t __real_mq_timedreceive(mqd_t q,
char *__restrict__ buffer,
size_t len,
unsigned *__restrict__ prio,
const struct timespec *__restrict__ timeout);
int __real_mq_notify(mqd_t mqdes, const struct sigevent *notification);
#ifdef __cplusplus
}
#endif
#endif /* !(__KERNEL__ || __XENO_SIM__ || !CONFIG_XENO_HAVE_MQUEUE_H) */
#endif /* _XENO_POSIX_MQUEUE_H */
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