/*
 * 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 1993 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984 AT&T */
/*        All Rights Reserved   */

#pragma ident	"%Z%%M%	%I%	%E% SMI" 

#include	<syscall.h>
#include 	<varargs.h>
#include	<sys/types.h>
#include	<sys/ipc.h>
#include	<sys/msg.h>


/* msgsys dispatch argument */
#define	MSGGET	0
#define	MSGCTL	1
#define	MSGRCV	2
#define	MSGSND	3


msgget(key, msgflg)
key_t key;
int msgflg;
{
	return(_syscall(SYS_msgsys, MSGGET, key, msgflg));
}

msgctl(msqid, cmd, buf)
int msqid, cmd;
struct msqid_ds *buf;
{
	return(_syscall(SYS_msgsys, MSGCTL, msqid, cmd, buf));
}

msgrcv(msqid, msgp, msgsz, msgtyp, msgflg)
int msqid;
struct msgbuf *msgp;
int msgsz;
long msgtyp;
int msgflg;
{
	return(_syscall(SYS_msgsys, MSGRCV, msqid, msgp, msgsz, msgtyp, msgflg));
}

msgsnd(msqid, msgp, msgsz, msgflg)
int msqid;
struct msgbuf *msgp;
int msgsz, msgflg;
{
	return(_syscall(SYS_msgsys, MSGSND, msqid, msgp, msgsz, msgflg));
}


msgsys(sysnum, va_alist)
int sysnum;
va_dcl
{
	va_list ap;
	key_t key;
	int msgflg;
	int msgflag;
	int msqid, cmd;
	struct msqid_ds *buf;
	struct msgbuf *msgp;
	int msgsz;
	long msgtyp;


	va_start(ap);
	switch (sysnum) {
	case MSGGET:
		key=va_arg(ap, key_t);
		msgflag=va_arg(ap, int);
		return(msgget(key, msgflag));
	case MSGCTL:
		msqid=va_arg(ap, int);
		cmd=va_arg(ap, int);
		buf=va_arg(ap, struct msqid_ds *);
		return(msgctl(msqid, cmd, buf));
	case MSGRCV:
		msqid=va_arg(ap, int);
		msgp=va_arg(ap, struct msgbuf *);
		msgsz=va_arg(ap, int);
		msgtyp=va_arg(ap, long);
		msgflg=va_arg(ap, int);
		return(msgrcv(msqid, msgp, msgsz, msgtyp, msgflg));
	case MSGSND:
		msqid=va_arg(ap, int);
		msgp=va_arg(ap, struct msgbuf *);
		msgsz=va_arg(ap, int);
		msgflg=va_arg(ap, int);
		return(msgsnd(msqid, msgp, msgsz, msgflg));
	}
}