1/* Copyright (C) 1995-2021 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
30/* Define options for message queue functions. */
31#define MSG_NOERROR 010000 /* no error if message is too big */
32#ifdef __USE_GNU
33# define MSG_EXCEPT 020000 /* recv any msg except of specified type */
34# define MSG_COPY 040000 /* copy (not remove) all queue messages */
35#endif
36
37#ifdef __USE_MISC
38
39# define msg_cbytes __msg_cbytes
40
41/* ipcs ctl commands */
42# define MSG_STAT 11
43# define MSG_INFO 12
44# define MSG_STAT_ANY 13
45
46/* buffer for msgctl calls IPC_INFO, MSG_INFO */
47struct msginfo
48 {
49 int msgpool;
50 int msgmap;
51 int msgmax;
52 int msgmnb;
53 int msgmni;
54 int msgssz;
55 int msgtql;
56 unsigned short int msgseg;
57 };
58
59#endif /* __USE_MISC */
60