projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| ab944a21 | 1 | /* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
| 77569014 | 2 | This file is part of the GNU C Library. |
| 77569014 UD |
3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 3214b89b 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. | |
| 77569014 UD |
8 | |
| 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 | |
| 3214b89b | 12 | Lesser General Public License for more details. |
| 77569014 | 13 | |
| 3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 77569014 | 17 | |
| 90571408 UD |
18 | #ifndef _SYS_IPC_H |
| 19 | # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." | |
| 20 | #endif | |
| 77569014 | 21 | |
| 77c5dc9e | 22 | #include <bits/types.h> |
| 77569014 UD |
23 | |
| 24 | /* Mode bits for `msgget', `semget', and `shmget'. */ | |
| 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. */ | |
| 28 | ||
| 29 | /* Control commands for `msgctl', `semctl', and `shmctl'. */ | |
| 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. */ | |
| cf95db7e UD |
33 | #ifdef __USE_GNU |
| 34 | # define IPC_INFO 3 /* See ipcs. */ | |
| 35 | #endif | |
| 77569014 | 36 | |
| 77569014 UD |
37 | /* Special key values. */ |
| 38 | #define IPC_PRIVATE ((__key_t) 0) /* Private key. */ | |
| 39 | ||
| 40 | ||
| 41 | /* Data structure used to pass permission information to IPC operations. */ | |
| 42 | struct ipc_perm | |
| 43 | { | |
| 44 | __key_t __key; /* Key. */ | |
| 45 | unsigned int uid; /* Owner's user ID. */ | |
| 46 | unsigned int gid; /* Owner's group ID. */ | |
| 47 | unsigned int cuid; /* Creator's user ID. */ | |
| 48 | unsigned int cgid; /* Creator's group ID. */ | |
| 49 | unsigned int mode; /* Read/write permission. */ | |
| 50 | unsigned short int __seq; /* Sequence number. */ | |
| ab944a21 UD |
51 | unsigned short int __pad1; |
| 52 | unsigned long int __unused1; | |
| 53 | unsigned long int __unused2; | |
| 77569014 | 54 | }; |