| 1 | /* Copyright (C) 1995-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #ifndef _SYS_IPC_H |
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| 19 | # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." |
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| 20 | #endif |
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| 21 | |
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| 22 | #include <bits/types.h> |
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| 23 | |
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| 24 | /* Mode bits for `msgget', `semget', and `shmget'. */ |
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| 25 | #define IPC_CREAT 01000 /* Create key if key does not exist. */ |
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| 26 | #define IPC_EXCL 02000 /* Fail if key exists. */ |
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| 27 | #define IPC_NOWAIT 04000 /* Return error on wait. */ |
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| 28 | |
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| 29 | /* Control commands for `msgctl', `semctl', and `shmctl'. */ |
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| 30 | #define IPC_RMID 0 /* Remove identifier. */ |
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| 31 | #define IPC_SET 1 /* Set `ipc_perm' options. */ |
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| 32 | #define IPC_STAT 2 /* Get `ipc_perm' options. */ |
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| 33 | #ifdef __USE_GNU |
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| 34 | # define IPC_INFO 3 /* See ipcs. */ |
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| 35 | #endif |
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| 36 | |
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| 37 | /* Special key values. */ |
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| 38 | #define IPC_PRIVATE ((__key_t) 0) /* Private key. */ |
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| 39 | |
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| 40 | #include <bits/ipc-perm.h> |
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| 41 | |
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