1/* Old SysV permission definition for Linux. Default version.
2 Copyright (C) 1995-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <sys/ipc.h> /* For __key_t */
20#include <kernel-features.h>
21
22#ifdef __ASSUME_SYSVIPC_DEFAULT_IPC_64
23# define __IPC_64 0x0
24#else
25# define __IPC_64 0x100
26#endif
27
28#ifndef __OLD_IPC_ID_TYPE
29# define __OLD_IPC_ID_TYPE unsigned short int
30#endif
31#ifndef __OLD_IPC_MODE_TYPE
32# define __OLD_IPC_MODE_TYPE unsigned short int
33#endif
34
35struct __old_ipc_perm
36{
37 __key_t __key; /* Key. */
38 __OLD_IPC_ID_TYPE uid; /* Owner's user ID. */
39 __OLD_IPC_ID_TYPE gid; /* Owner's group ID. */
40 __OLD_IPC_ID_TYPE cuid; /* Creator's user ID. */
41 __OLD_IPC_ID_TYPE cgid; /* Creator's group ID. */
42 __OLD_IPC_MODE_TYPE mode; /* Read/write permission. */
43 unsigned short int __seq; /* Sequence number. */
44};
45
46#define SEMCTL_ARG_ADDRESS(__arg) &__arg.array
47
48#define MSGRCV_ARGS(__msgp, __msgtyp) \
49 ((long int []){ (long int) __msgp, __msgtyp })
50
51/* This macro is required to handle the s390 variants, which passes the
52 arguments in a different order than default. */
53#define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \
54 (__nsops), 0, (__sops), (__timeout)
55
56/* Linux SysV ipc does not provide new syscalls for 64-bit time support on
57 32-bit architectures, but rather split the timestamp into high and low;
58 storing the high value in previously unused fields. */
59#if (__WORDSIZE == 32 \
60 && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32))
61# define __IPC_TIME64 1
62#else
63# define __IPC_TIME64 0
64#endif
65
66#if __IPC_TIME64 || defined __ASSUME_SYSVIPC_BROKEN_MODE_T
67# define IPC_CTL_NEED_TRANSLATION 1
68#else
69# define IPC_CTL_NEED_TRANSLATION 0
70#endif
71
72#include <ipc_ops.h>
73