diff options
author | Eric Andersen <andersen@codepoet.org> | 2002-03-01 20:46:26 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2002-03-01 20:46:26 +0000 |
commit | 9cee42f10dbc5b33866ff137b926a74abd7c1a5b (patch) | |
tree | 5211131bde7212ae06d98e9779197cece9b552cc /libc/sysdeps/linux/common/bits/ipc.h | |
parent | 5b470cfcc321c5d50b951fa93a769a4a193ccece (diff) |
Major rework of the include files to eliminate redundancy
and to better support each arch. This is a really big patch...
-Erik
Diffstat (limited to 'libc/sysdeps/linux/common/bits/ipc.h')
-rw-r--r-- | libc/sysdeps/linux/common/bits/ipc.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/ipc.h b/libc/sysdeps/linux/common/bits/ipc.h new file mode 100644 index 000000000..f1a043fe5 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/ipc.h @@ -0,0 +1,56 @@ +/* Copyright (C) 1995-1999, 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 <bits/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. */ + __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. */ + unsigned short int mode; /* Read/write permission. */ + unsigned short int __pad1; + unsigned short int __seq; /* Sequence number. */ + unsigned short int __pad2; + unsigned long int __unused1; + unsigned long int __unused2; + }; |