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- /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
- #ifndef _SYS_IPC_H
- # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
- #endif
- #include <bits/types.h>
- /* Mode bits for `msgget', `semget', and `shmget'. */
- #define IPC_CREAT 01000 /* Create key if key does not exist. */
- #define IPC_EXCL 02000 /* Fail if key exists. */
- #define IPC_NOWAIT 04000 /* Return error on wait. */
- /* Control commands for `msgctl', `semctl', and `shmctl'. */
- #define IPC_RMID 0 /* Remove identifier. */
- #define IPC_SET 1 /* Set `ipc_perm' options. */
- #define IPC_STAT 2 /* Get `ipc_perm' options. */
- #ifdef __USE_GNU
- # define IPC_INFO 3 /* See ipcs. */
- #endif
- /* Special key values. */
- #define IPC_PRIVATE ((__key_t) 0) /* Private key. */
- #include <bits/ipc-perm.h>
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