diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/bits/ipc.h')
-rw-r--r-- | libc/sysdeps/linux/mips/bits/ipc.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/bits/ipc.h b/libc/sysdeps/linux/mips/bits/ipc.h new file mode 100644 index 000000000..8364dca56 --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/ipc.h @@ -0,0 +1,76 @@ +/* Copyright (C) 1995, 96, 97, 98, 99, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_IPC_H +# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." +#endif + +#include <sys/types.h> + +/* Mode bits for `msgget', `semget', and `shmget'. */ +#define IPC_CREAT 01000 /* Create key if key does not exist. */ +#define IPC_EXCL 02000 /* Fail if key exists. */ +#define IPC_NOWAIT 04000 /* Return error on wait. */ + +/* Control commands for `msgctl', `semctl', and `shmctl'. */ +#define IPC_RMID 0 /* Remove identifier. */ +#define IPC_SET 1 /* Set `ipc_perm' options. */ +#define IPC_STAT 2 /* Get `ipc_perm' options. */ +#ifdef __USE_GNU +# define IPC_INFO 3 /* See ipcs. */ +#endif + +/* Special key values. */ +#define IPC_PRIVATE ((__key_t) 0) /* Private key. */ + + +/* Data structure used to pass permission information to IPC operations. */ +struct ipc_perm + { + __key_t __key; /* Key. */ + long int uid; /* Owner's user ID. */ + long int gid; /* Owner's group ID. */ + long int cuid; /* Creator's user ID. */ + long int cgid; /* Creator's group ID. */ + unsigned long int mode; /* Read/write permission. */ + unsigned short int __seq; /* Sequence number. */ + }; + + +__BEGIN_DECLS + +/* The actual system call: all functions are multiplexed by this. */ +extern int __ipc (int __call, int __first, int __second, int __third, + void *__ptr) __THROW; + +__END_DECLS + +#ifdef __USE_GNU +/* The codes for the functions to use the multiplexer `__ipc'. */ +# define IPCOP_semop 1 +# define IPCOP_semget 2 +# define IPCOP_semctl 3 +# define IPCOP_msgsnd 11 +# define IPCOP_msgrcv 12 +# define IPCOP_msgget 13 +# define IPCOP_msgctl 14 +# define IPCOP_shmat 21 +# define IPCOP_shmdt 22 +# define IPCOP_shmget 23 +# define IPCOP_shmctl 24 +#endif |