projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b168057a | 1 | /* Copyright (C) 1995-2015 Free Software Foundation, Inc. |
| f304af81 UD |
2 | This file is part of the GNU C Library. |
| 3 | ||
| 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. | |
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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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| f304af81 | 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/>. */ | |
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17 | |
| 18 | #ifndef _SYS_IPC_H | |
| 19 | # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." | |
| 20 | #endif | |
| 21 | ||
| 219aa9e9 | 22 | #include <bits/types.h> |
| f304af81 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. */ | |
| bba09d23 UD |
33 | #ifdef __USE_GNU |
| 34 | # define IPC_INFO 3 /* See ipcs. */ | |
| 35 | #endif | |
| f304af81 UD |
36 | |
| 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 | __uid_t uid; /* Owner's user ID. */ | |
| 46 | __gid_t gid; /* Owner's group ID. */ | |
| 47 | __uid_t cuid; /* Creator's user ID. */ | |
| 48 | __gid_t cgid; /* Creator's group ID. */ | |
| 49 | __mode_t mode; /* Read/write permission. */ | |
| b77bb4fb RM |
50 | __uint32_t __seq; /* Sequence number. */ |
| 51 | __uint32_t __pad1; | |
| d1d9eaf4 OB |
52 | __uint64_t __glibc_reserved1; |
| 53 | __uint64_t __glibc_reserved2; | |
| f304af81 UD |
54 | }; |
| 55 | ||
| 56 | ||
| 57 | __BEGIN_DECLS | |
| 58 | ||
| 59 | /* The actual system call: all functions are multiplexed by this. */ | |
| bcaad6ee AJ |
60 | extern int __ipc (int __call, int __first, int __second, int __third, |
| 61 | void *__ptr) __THROW; | |
| f304af81 UD |
62 | |
| 63 | __END_DECLS | |
| 64 | ||
| bba09d23 | 65 | #ifdef __USE_GNU |
| f304af81 | 66 | /* The codes for the functions to use the multiplexer `__ipc'. */ |
| bba09d23 UD |
67 | # define IPCOP_semop 1 |
| 68 | # define IPCOP_semget 2 | |
| 69 | # define IPCOP_semctl 3 | |
| 70 | # define IPCOP_msgsnd 11 | |
| 71 | # define IPCOP_msgrcv 12 | |
| 72 | # define IPCOP_msgget 13 | |
| 73 | # define IPCOP_msgctl 14 | |
| 74 | # define IPCOP_shmat 21 | |
| 75 | # define IPCOP_shmdt 22 | |
| 76 | # define IPCOP_shmget 23 | |
| 77 | # define IPCOP_shmctl 24 | |
| 78 | #endif |