1/* Copyright (C) 1995-2025 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 _SYS_MSG_H
19# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
20#endif
21
22#include <bits/types.h>
23
24/* Types used in the MSQID_DS structure definition.  */
25typedef __syscall_ulong_t msgqnum_t;
26typedef __syscall_ulong_t msglen_t;
27
28#include <bits/types/struct_msqid_ds.h>
29#include <bits/types/struct_msqid64_ds.h>
30
31/* Define options for message queue functions.  */
32#define MSG_NOERROR	010000	/* no error if message is too big */
33#ifdef __USE_GNU
34# define MSG_EXCEPT	020000	/* recv any msg except of specified type */
35# define MSG_COPY	040000	/* copy (not remove) all queue messages */
36#endif
37
38#ifdef __USE_MISC
39
40# define msg_cbytes	__msg_cbytes
41
42/* ipcs ctl commands */
43# define MSG_STAT 11
44# define MSG_INFO 12
45# define MSG_STAT_ANY 13
46
47/* buffer for msgctl calls IPC_INFO, MSG_INFO */
48struct msginfo
49  {
50    int msgpool;
51    int msgmap;
52    int msgmax;
53    int msgmnb;
54    int msgmni;
55    int msgssz;
56    int msgtql;
57    unsigned short int msgseg;
58  };
59
60#endif /* __USE_MISC */