projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| bba09d23 | 1 | /* Copyright (C) 1995-1999, 2000 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. | |
| f304af81 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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| f304af81 | 13 | |
| 41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, write to the Free | |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 17 | 02111-1307 USA. */ | |
| f304af81 UD |
18 | |
| 19 | #ifndef _SYS_IPC_H | |
| 20 | # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." | |
| 21 | #endif | |
| 22 | ||
| 219aa9e9 | 23 | #include <bits/types.h> |
| f304af81 UD |
24 | |
| 25 | /* Mode bits for `msgget', `semget', and `shmget'. */ | |
| 26 | #define IPC_CREAT 01000 /* Create key if key does not exist. */ | |
| 27 | #define IPC_EXCL 02000 /* Fail if key exists. */ | |
| 28 | #define IPC_NOWAIT 04000 /* Return error on wait. */ | |
| 29 | ||
| 30 | /* Control commands for `msgctl', `semctl', and `shmctl'. */ | |
| 31 | #define IPC_RMID 0 /* Remove identifier. */ | |
| 32 | #define IPC_SET 1 /* Set `ipc_perm' options. */ | |
| 33 | #define IPC_STAT 2 /* Get `ipc_perm' options. */ | |
| bba09d23 UD |
34 | #ifdef __USE_GNU |
| 35 | # define IPC_INFO 3 /* See ipcs. */ | |
| 36 | #endif | |
| f304af81 UD |
37 | |
| 38 | /* Special key values. */ | |
| 39 | #define IPC_PRIVATE ((__key_t) 0) /* Private key. */ | |
| 40 | ||
| 41 | ||
| 42 | /* Data structure used to pass permission information to IPC operations. */ | |
| 43 | struct ipc_perm | |
| 44 | { | |
| 45 | __key_t __key; /* Key. */ | |
| 46 | __uid_t uid; /* Owner's user ID. */ | |
| 47 | __gid_t gid; /* Owner's group ID. */ | |
| 48 | __uid_t cuid; /* Creator's user ID. */ | |
| 49 | __gid_t cgid; /* Creator's group ID. */ | |
| 50 | __mode_t mode; /* Read/write permission. */ | |
| a0386a0d UD |
51 | unsigned long int __seq; /* Sequence number. */ |
| 52 | unsigned int __pad1; | |
| 53 | unsigned long long int __unused1; | |
| 54 | unsigned long long int __unused2; | |
| f304af81 UD |
55 | }; |
| 56 | ||
| 57 | ||
| 58 | __BEGIN_DECLS | |
| 59 | ||
| 60 | /* The actual system call: all functions are multiplexed by this. */ | |
| bcaad6ee AJ |
61 | extern int __ipc (int __call, int __first, int __second, int __third, |
| 62 | void *__ptr) __THROW; | |
| f304af81 UD |
63 | |
| 64 | __END_DECLS | |
| 65 | ||
| bba09d23 | 66 | #ifdef __USE_GNU |
| f304af81 | 67 | /* The codes for the functions to use the multiplexer `__ipc'. */ |
| bba09d23 UD |
68 | # define IPCOP_semop 1 |
| 69 | # define IPCOP_semget 2 | |
| 70 | # define IPCOP_semctl 3 | |
| 71 | # define IPCOP_msgsnd 11 | |
| 72 | # define IPCOP_msgrcv 12 | |
| 73 | # define IPCOP_msgget 13 | |
| 74 | # define IPCOP_msgctl 14 | |
| 75 | # define IPCOP_shmat 21 | |
| 76 | # define IPCOP_shmdt 22 | |
| 77 | # define IPCOP_shmget 23 | |
| 78 | # define IPCOP_shmctl 24 | |
| 79 | #endif |