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Diffstat (limited to 'sysdeps/stub/bits/ipc.h')
| -rw-r--r-- | sysdeps/stub/bits/ipc.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sysdeps/stub/bits/ipc.h b/sysdeps/stub/bits/ipc.h new file mode 100644 index 0000000000..a5ecbd90b7 --- /dev/null +++ b/sysdeps/stub/bits/ipc.h @@ -0,0 +1,56 @@ +/* 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 */ |