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kern_exit_43.c revision 1.7
      1  1.7     lukem /*	$NetBSD: kern_exit_43.c,v 1.7 2001/11/13 02:08:00 lukem Exp $	*/
      2  1.1  christos 
      3  1.1  christos /*
      4  1.1  christos  * Copyright (c) 1982, 1986, 1989, 1991, 1993
      5  1.1  christos  *	The Regents of the University of California.  All rights reserved.
      6  1.1  christos  * (c) UNIX System Laboratories, Inc.
      7  1.1  christos  * All or some portions of this file are derived from material licensed
      8  1.1  christos  * to the University of California by American Telephone and Telegraph
      9  1.1  christos  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     10  1.1  christos  * the permission of UNIX System Laboratories, Inc.
     11  1.1  christos  *
     12  1.1  christos  * Redistribution and use in source and binary forms, with or without
     13  1.1  christos  * modification, are permitted provided that the following conditions
     14  1.1  christos  * are met:
     15  1.1  christos  * 1. Redistributions of source code must retain the above copyright
     16  1.1  christos  *    notice, this list of conditions and the following disclaimer.
     17  1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     18  1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     19  1.1  christos  *    documentation and/or other materials provided with the distribution.
     20  1.1  christos  * 3. All advertising materials mentioning features or use of this software
     21  1.1  christos  *    must display the following acknowledgement:
     22  1.1  christos  *	This product includes software developed by the University of
     23  1.1  christos  *	California, Berkeley and its contributors.
     24  1.1  christos  * 4. Neither the name of the University nor the names of its contributors
     25  1.1  christos  *    may be used to endorse or promote products derived from this software
     26  1.1  christos  *    without specific prior written permission.
     27  1.1  christos  *
     28  1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  1.1  christos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  1.1  christos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  1.1  christos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  1.1  christos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  1.1  christos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  1.1  christos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  1.1  christos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  1.1  christos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  1.1  christos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  1.1  christos  * SUCH DAMAGE.
     39  1.1  christos  *
     40  1.1  christos  *	@(#)kern_exit.c	8.7 (Berkeley) 2/12/94
     41  1.1  christos  */
     42  1.7     lukem 
     43  1.7     lukem #include <sys/cdefs.h>
     44  1.7     lukem __KERNEL_RCSID(0, "$NetBSD: kern_exit_43.c,v 1.7 2001/11/13 02:08:00 lukem Exp $");
     45  1.1  christos 
     46  1.1  christos #include <sys/param.h>
     47  1.1  christos #include <sys/systm.h>
     48  1.1  christos #include <sys/map.h>
     49  1.1  christos #include <sys/ioctl.h>
     50  1.1  christos #include <sys/proc.h>
     51  1.1  christos #include <sys/tty.h>
     52  1.1  christos #include <sys/time.h>
     53  1.1  christos #include <sys/resource.h>
     54  1.1  christos #include <sys/kernel.h>
     55  1.1  christos #include <sys/proc.h>
     56  1.1  christos #include <sys/buf.h>
     57  1.1  christos #include <sys/wait.h>
     58  1.1  christos #include <sys/file.h>
     59  1.1  christos #include <sys/vnode.h>
     60  1.1  christos #include <sys/syslog.h>
     61  1.1  christos #include <sys/malloc.h>
     62  1.1  christos #include <sys/resourcevar.h>
     63  1.1  christos #include <sys/ptrace.h>
     64  1.1  christos #include <sys/acct.h>
     65  1.1  christos 
     66  1.1  christos #include <sys/mount.h>
     67  1.1  christos #include <sys/syscallargs.h>
     68  1.1  christos 
     69  1.1  christos #include <machine/cpu.h>
     70  1.1  christos #include <machine/reg.h>
     71  1.1  christos #include <compat/common/compat_util.h>
     72  1.5       mrg 
     73  1.1  christos #ifdef m68k
     74  1.4  jonathan #include <machine/psl.h>		/* only m68k ports use PSL_ALLCC */
     75  1.1  christos #include <machine/frame.h>
     76  1.1  christos #define GETPS(rp)	((struct frame *)(rp))->f_sr
     77  1.1  christos #else
     78  1.1  christos #define GETPS(rp)	(rp)[PS]
     79  1.1  christos #endif
     80  1.1  christos 
     81  1.1  christos int
     82  1.3   mycroft compat_43_sys_wait(p, v, retval)
     83  1.1  christos 	struct proc *p;
     84  1.3   mycroft 	void *v;
     85  1.2   thorpej 	register_t *retval;
     86  1.1  christos {
     87  1.1  christos 	caddr_t sg = stackgap_init(p->p_emul);
     88  1.1  christos 	int error;
     89  1.1  christos 
     90  1.3   mycroft 	struct sys_wait4_args /* {
     91  1.1  christos 		syscallarg(int) pid;
     92  1.1  christos 		syscallarg(int *) status;
     93  1.1  christos 		syscallarg(int) options;
     94  1.1  christos 		syscallarg(struct rusage *) rusage;
     95  1.1  christos 	} */ a;
     96  1.1  christos 
     97  1.1  christos #ifdef PSL_ALLCC
     98  1.1  christos 	if ((GETPS(p->p_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) {
     99  1.1  christos 		SCARG(&a, options) = 0;
    100  1.1  christos 		SCARG(&a, rusage) = NULL;
    101  1.1  christos 	} else {
    102  1.1  christos 		SCARG(&a, options) = p->p_md.md_regs[R0];
    103  1.1  christos 		SCARG(&a, rusage) = (struct rusage *)p->p_md.md_regs[R1];
    104  1.1  christos 	}
    105  1.1  christos #else
    106  1.1  christos 	SCARG(&a, options) = 0;
    107  1.1  christos 	SCARG(&a, rusage) = NULL;
    108  1.1  christos #endif
    109  1.1  christos 	SCARG(&a, pid) = WAIT_ANY;
    110  1.1  christos 	SCARG(&a, status) = stackgap_alloc(&sg, sizeof(SCARG(&a, status)));
    111  1.3   mycroft 	if ((error = sys_wait4(p, &a, retval)) != 0)
    112  1.1  christos 		return error;
    113  1.1  christos 	return copyin(SCARG(&a, status), &retval[1], sizeof(retval[1]));
    114  1.1  christos }
    115