1/* Copyright (C) 2004-2025 Free Software Foundation, Inc.
 2   This file is part of the GNU C Library.
 3
 4   The GNU C Library is free software; you can redistribute it and/or
 5   modify it under the terms of the GNU Lesser General Public
 6   License as published by the Free Software Foundation; either
 7   version 2.1 of the License, or (at your option) any later version.
 8
 9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#ifndef _MQUEUE_H
19# error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
20#endif
21
22#include <bits/types.h>
23
24typedef int mqd_t;
25
26struct mq_attr
27{
28  __syscall_slong_t mq_flags;	/* Message queue flags.  */
29  __syscall_slong_t mq_maxmsg;	/* Maximum number of messages.  */
30  __syscall_slong_t mq_msgsize;	/* Maximum message size.  */
31  __syscall_slong_t mq_curmsgs;	/* Number of messages currently queued.  */
32  __syscall_slong_t __pad[4];
33};