1 /* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
3 The GNU C Library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Lesser General Public
5 License as published by the Free Software Foundation; either
6 version 2.1 of the License, or (at your option) any later version.
8 The GNU C Library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Lesser General Public License for more details.
13 You should have received a copy of the GNU Lesser General Public
14 License along with the GNU C Library; if not, see
15 <http://www.gnu.org/licenses/>. */
18 # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
21 #include <bits/types.h>
23 /* Mode bits for `msgget', `semget', and `shmget'. */
24 #define IPC_CREAT 01000 /* Create key if key does not exist. */
25 #define IPC_EXCL 02000 /* Fail if key exists. */
26 #define IPC_NOWAIT 04000 /* Return error on wait. */
28 /* Control commands for `msgctl', `semctl', and `shmctl'. */
29 #define IPC_RMID 0 /* Remove identifier. */
30 #define IPC_SET 1 /* Set `ipc_perm' options. */
31 #define IPC_STAT 2 /* Get `ipc_perm' options. */
33 # define IPC_INFO 3 /* See ipcs. */
36 /* Special key values. */
37 #define IPC_PRIVATE ((__key_t) 0) /* Private key. */
40 /* Data structure used to pass permission information to IPC operations. */
43 __key_t __key
; /* Key. */
44 __uid_t uid
; /* Owner's user ID. */
45 __gid_t gid
; /* Owner's group ID. */
46 __uid_t cuid
; /* Creator's user ID. */
47 __gid_t cgid
; /* Creator's group ID. */
48 __mode_t mode
; /* Read/write permission. */
49 unsigned short int __pad1
;
50 unsigned short int __seq
; /* Sequence number. */
51 unsigned long long int __uclibc_unused1
;
52 unsigned long long int __uclibc_unused2
;