/*	$NetBSD: irix_prctl.c,v 1.4 2001/12/25 19:04:18 manu Exp $ */

/*-
 * Copyright (c) 2001 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_prctl.c,v 1.4 2001/12/25 19:04:18 manu Exp $");

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

#include <compat/svr4/svr4_types.h>

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

int
irix_sys_prctl(p, v, retval)
	struct proc *p;
	void *v;
	register_t *retval;
{
	struct irix_sys_prctl_args /* {
		syscallarg(int) option;
		syscallarg(void *) arg1;
	} */ *uap = v;
	int option = SCARG(uap, option);

#ifdef DEBUG_IRIX
	printf("irix_sys_prctl(): option = %d\n", option);
#endif

	switch(option) {
	case IRIX_PR_LASTSHEXIT:	/* "Last sproc exit" */
		/* We do nothing */
		break;
	case IRIX_PR_GETNSHARE:		/* Number of sproc share group memb.*/
		/* sproc needed here, we do nothing until we have it */
		*retval = 1; /* one thread in the process */
		break;

	default:
		printf("Warning: call to unimplemented prctl() command %d\n",
		    option);
		return EINVAL;
		break;
	}
	return 0;
}