ipc.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1996-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_IPC_H
#define _SYS_IPC_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#include <sys/feature_tests.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Common IPC access structure */
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; /* access modes */
uint_t seq; /* slot usage sequence number */
key_t key; /* key */
#if !defined(_LP64)
int pad[4]; /* reserve area */
#endif
};
/* Common IPC definitions */
/* Mode bits */
#define IPC_ALLOC 0100000 /* entry currently allocated */
#define IPC_CREAT 0001000 /* create entry if key doesn't exist */
#define IPC_EXCL 0002000 /* fail if key exists */
#define IPC_NOWAIT 0004000 /* error if request must wait */
/* Keys */
#define IPC_PRIVATE (key_t)0 /* private key */
/* Common IPC control commands */
#define IPC_RMID 10 /* remove identifier */
#define IPC_SET 11 /* set options */
#define IPC_STAT 12 /* get options */
#if (!defined(_KERNEL) && !defined(_XOPEN_SOURCE)) || defined(_XPG4_2) || \
defined(__EXTENSIONS__)
#if defined(__STDC__)
key_t ftok(const char *, int);
#else
key_t ftok();
#endif /* defined(__STDC__) */
#endif /* (!defined(_KERNEL) && !defined(_XOPEN_SOURCE))... */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_IPC_H */