projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d4697bc9 | 1 | /* Copyright (C) 1995-2014 Free Software Foundation, Inc. |
| 8a4b65b4 | 2 | This file is part of the GNU C Library. |
| d2f5be2a | 3 | |
| 8a4b65b4 | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
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. | |
| d2f5be2a | 8 | |
| 8a4b65b4 UD |
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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| d2f5be2a | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| d2f5be2a | 17 | |
| f4017d20 UD |
18 | #ifndef _SYS_IPC_H |
| 19 | # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." | |
| 20 | #endif | |
| 8a4b65b4 | 21 | |
| 219aa9e9 | 22 | #include <bits/types.h> |
| d2f5be2a UD |
23 | |
| 24 | /* Mode bits for `msgget', `semget', and `shmget'. */ | |
| 5290baf0 UD |
25 | #define IPC_CREAT 01000 /* Create key if key does not exist. */ |
| 26 | #define IPC_EXCL 02000 /* Fail if key exists. */ | |
| 27 | #define IPC_NOWAIT 04000 /* Return error on wait. */ | |
| d2f5be2a UD |
28 | |
| 29 | /* Control commands for `msgctl', `semctl', and `shmctl'. */ | |
| 5290baf0 UD |
30 | #define IPC_RMID 0 /* Remove identifier. */ |
| 31 | #define IPC_SET 1 /* Set `ipc_perm' options. */ | |
| 32 | #define IPC_STAT 2 /* Get `ipc_perm' options. */ | |
| bba09d23 UD |
33 | #ifdef __USE_GNU |
| 34 | # define IPC_INFO 3 /* See ipcs. */ | |
| 35 | #endif | |
| d2f5be2a | 36 | |
| d2f5be2a | 37 | /* Special key values. */ |
| 5290baf0 | 38 | #define IPC_PRIVATE ((__key_t) 0) /* Private key. */ |
| d2f5be2a UD |
39 | |
| 40 | ||
| 41 | /* Data structure used to pass permission information to IPC operations. */ | |
| 42 | struct ipc_perm | |
| 5290baf0 UD |
43 | { |
| 44 | __key_t __key; /* Key. */ | |
| 45 | unsigned short int uid; /* Owner's user ID. */ | |
| 46 | unsigned short int gid; /* Owner's group ID. */ | |
| 47 | unsigned short int cuid; /* Creator's user ID. */ | |
| 48 | unsigned short int cgid; /* Creator's group ID. */ | |
| 49 | unsigned short int mode; /* Read/write permission. */ | |
| 50 | unsigned short int __seq; /* Sequence number. */ | |
| 51 | }; |