/*	$NetBSD: irix_misc.c,v 1.2 2002/05/28 21:15:41 manu Exp $ */

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Emmanuel Dreyfus.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the NetBSD
 *	Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: irix_misc.c,v 1.2 2002/05/28 21:15:41 manu Exp $");

#include <sys/types.h>
#include <sys/signal.h>
#include <sys/systm.h>
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/mount.h>

#include <sys/syscallargs.h>

#include <compat/irix/irix_types.h>
#include <compat/irix/irix_signal.h>
#include <compat/irix/irix_exec.h>
#include <compat/irix/irix_syscallargs.h>

/* 
 * This is copied from sys/compat/sunos/sunos_misc.c:sunos_sys_setpgrp()
 * Maybe consider moving this to sys/compat/common/compat_util.c?
 */
int
irix_sys_setpgrp(p, v, retval)
	struct proc *p; 
	void *v;
	register_t *retval;
{
	struct irix_sys_setpgrp_args /* { 
		syscallarg(int) pid;
		syscallarg(int) pgid;
	} */ *uap = v;
 
	/*
	 * difference to our setpgid call is to include backwards  
	 * compatibility to pre-setsid() binaries. Do setsid()
	 * instead of setpgid() in those cases where the process
	 * tries to create a new session the old way.
	 */
	if (!SCARG(uap, pgid) &&
	    (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
		return sys_setsid(p, uap, retval);
	else
		return sys_setpgid(p, uap, retval);
}