Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/bits/ipc.h
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
56 lines (41 sloc)
1.89 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. | |
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_BUF_H | |
#define _SYS_IPC_BUF_H 1 | |
#include <features.h> | |
#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 */ | |
__BEGIN_DECLS | |
/* Special key values. */ | |
#define IPC_PRIVATE ((key_t) 0) /* private key */ | |
/* Data structure used to pass permission information to IPC operations. */ | |
struct ipc_perm | |
{ | |
__uid_t uid; /* owner's user ID */ | |
__gid_t gid; /* owner's group ID */ | |
__uid_t cuid; /* creator's user ID */ | |
__gid_t cgid; /* creator's group ID */ | |
__mode_t mode; /* read/write permission */ | |
}; | |
__END_DECLS | |
#endif /* _SYS_IPC_BUF_H */ |