kern_exit_43.c revision 1.18.4.1
11.18.4.1Smjf/*	$NetBSD: kern_exit_43.c,v 1.18.4.1 2007/07/11 20:03:47 mjf Exp $	*/
21.1Schristos
31.1Schristos/*
41.1Schristos * Copyright (c) 1982, 1986, 1989, 1991, 1993
51.1Schristos *	The Regents of the University of California.  All rights reserved.
61.1Schristos * (c) UNIX System Laboratories, Inc.
71.1Schristos * All or some portions of this file are derived from material licensed
81.1Schristos * to the University of California by American Telephone and Telegraph
91.1Schristos * Co. or Unix System Laboratories, Inc. and are reproduced herein with
101.1Schristos * the permission of UNIX System Laboratories, Inc.
111.1Schristos *
121.1Schristos * Redistribution and use in source and binary forms, with or without
131.1Schristos * modification, are permitted provided that the following conditions
141.1Schristos * are met:
151.1Schristos * 1. Redistributions of source code must retain the above copyright
161.1Schristos *    notice, this list of conditions and the following disclaimer.
171.1Schristos * 2. Redistributions in binary form must reproduce the above copyright
181.1Schristos *    notice, this list of conditions and the following disclaimer in the
191.1Schristos *    documentation and/or other materials provided with the distribution.
201.11Sagc * 3. Neither the name of the University nor the names of its contributors
211.1Schristos *    may be used to endorse or promote products derived from this software
221.1Schristos *    without specific prior written permission.
231.1Schristos *
241.1Schristos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
251.1Schristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
261.1Schristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
271.1Schristos * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
281.1Schristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
291.1Schristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
301.1Schristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
311.1Schristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
321.1Schristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
331.1Schristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
341.1Schristos * SUCH DAMAGE.
351.1Schristos *
361.1Schristos *	@(#)kern_exit.c	8.7 (Berkeley) 2/12/94
371.1Schristos */
381.7Slukem
391.7Slukem#include <sys/cdefs.h>
401.18.4.1Smjf__KERNEL_RCSID(0, "$NetBSD: kern_exit_43.c,v 1.18.4.1 2007/07/11 20:03:47 mjf Exp $");
411.1Schristos
421.1Schristos#include <sys/param.h>
431.1Schristos#include <sys/systm.h>
441.1Schristos#include <sys/ioctl.h>
451.1Schristos#include <sys/proc.h>
461.1Schristos#include <sys/tty.h>
471.1Schristos#include <sys/time.h>
481.1Schristos#include <sys/resource.h>
491.1Schristos#include <sys/kernel.h>
501.1Schristos#include <sys/buf.h>
511.1Schristos#include <sys/wait.h>
521.1Schristos#include <sys/file.h>
531.1Schristos#include <sys/vnode.h>
541.1Schristos#include <sys/syslog.h>
551.1Schristos#include <sys/resourcevar.h>
561.1Schristos#include <sys/ptrace.h>
571.1Schristos#include <sys/acct.h>
581.1Schristos
591.1Schristos#include <sys/mount.h>
601.1Schristos#include <sys/syscallargs.h>
611.1Schristos
621.1Schristos#include <machine/cpu.h>
631.1Schristos#include <machine/reg.h>
641.1Schristos#include <compat/common/compat_util.h>
651.5Smrg
661.1Schristos#ifdef m68k
671.4Sjonathan#include <machine/psl.h>		/* only m68k ports use PSL_ALLCC */
681.1Schristos#include <machine/frame.h>
691.1Schristos#define GETPS(rp)	((struct frame *)(rp))->f_sr
701.1Schristos#else
711.1Schristos#define GETPS(rp)	(rp)[PS]
721.1Schristos#endif
731.1Schristos
741.1Schristosint
751.15Schristoscompat_43_sys_wait(struct lwp *l, void *v, register_t *retval)
761.1Schristos{
771.18.4.1Smjf	int error, status, was_zombie;
781.18.4.1Smjf	int child_pid = WAIT_ANY;
791.18.4.1Smjf
801.18.4.1Smjf
811.18.4.1Smjf#ifdef PSL_ALLCC
821.18.4.1Smjf#else
831.18.4.1Smjf#endif
841.1Schristos
851.1Schristos#ifdef PSL_ALLCC
861.10Sthorpej	if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) {
871.18.4.1Smjf		error = do_sys_wait(l, &child_pid, &status, 0, NULL, &was_zombie);
881.1Schristos	} else {
891.18.4.1Smjf		error = do_sys_wait(l, &child_pid, &status,
901.18.4.1Smjf		    l->l_md.md_regs[R0], (struct rusage *)l->l_md.md_regs[R1],
911.18.4.1Smjf		    &was_zombie);
921.1Schristos	}
931.1Schristos#else
941.18.4.1Smjf	error = do_sys_wait(l, &child_pid, &status, 0, NULL, &was_zombie);
951.1Schristos#endif
961.18.4.1Smjf	retval[0] = child_pid;
971.18.4.1Smjf	retval[1] = status;
981.18.4.1Smjf	return error;
991.1Schristos}
100