msg.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
* 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 1999-2003 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_MSG_H
#define _SYS_MSG_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* IPC Message Facility.
*/
/*
* Implementation Constants.
*/
/*
* Permission Definitions.
*/
/*
* ipc_perm Mode Definitions.
*/
/*
* Message Operation Flags.
*/
typedef unsigned long msgqnum_t;
typedef unsigned long msglen_t;
struct msg;
struct msqid_ds {
#if defined(_LP64)
#else
#endif
short msg_cv;
short msg_qnum_cv;
};
/*
* User message buffer template for msgsnd and msgrecv system calls.
*/
#ifdef _KERNEL
struct ipcmsgbuf {
#else
struct msgbuf {
#endif /* _KERNEL */
#if defined(_XOPEN_SOURCE)
long _mtype; /* message type */
#else
long mtype; /* message type */
#endif
};
/*
* Header and message header structures for msgsnap() system call.
*/
struct msgsnap_head {
};
struct msgsnap_mhead {
long msgsnap_mtype; /* message type */
};
#if !defined(_KERNEL)
#if defined(__STDC__)
#else /* __STDC__ */
int msgctl();
int msgget();
int msgids();
int msgsnap();
int msgrcv();
int msgsnd();
#endif /* __STDC__ */
#endif /* ! _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MSG_H */