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kern_exit_43.c revision 1.21
      1  1.21       dsl /*	$NetBSD: kern_exit_43.c,v 1.21 2007/12/20 23:02:44 dsl 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  1.11       agc  * 3. Neither the name of the University nor the names of its contributors
     21   1.1  christos  *    may be used to endorse or promote products derived from this software
     22   1.1  christos  *    without specific prior written permission.
     23   1.1  christos  *
     24   1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25   1.1  christos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26   1.1  christos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27   1.1  christos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28   1.1  christos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29   1.1  christos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30   1.1  christos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31   1.1  christos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32   1.1  christos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33   1.1  christos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34   1.1  christos  * SUCH DAMAGE.
     35   1.1  christos  *
     36   1.1  christos  *	@(#)kern_exit.c	8.7 (Berkeley) 2/12/94
     37   1.1  christos  */
     38   1.7     lukem 
     39   1.7     lukem #include <sys/cdefs.h>
     40  1.21       dsl __KERNEL_RCSID(0, "$NetBSD: kern_exit_43.c,v 1.21 2007/12/20 23:02:44 dsl Exp $");
     41   1.1  christos 
     42   1.1  christos #include <sys/param.h>
     43   1.1  christos #include <sys/systm.h>
     44   1.1  christos #include <sys/ioctl.h>
     45   1.1  christos #include <sys/proc.h>
     46   1.1  christos #include <sys/tty.h>
     47   1.1  christos #include <sys/time.h>
     48   1.1  christos #include <sys/resource.h>
     49   1.1  christos #include <sys/kernel.h>
     50   1.1  christos #include <sys/buf.h>
     51   1.1  christos #include <sys/wait.h>
     52   1.1  christos #include <sys/file.h>
     53   1.1  christos #include <sys/vnode.h>
     54   1.1  christos #include <sys/syslog.h>
     55   1.1  christos #include <sys/resourcevar.h>
     56   1.1  christos #include <sys/ptrace.h>
     57   1.1  christos #include <sys/acct.h>
     58   1.1  christos 
     59   1.1  christos #include <sys/mount.h>
     60   1.1  christos #include <sys/syscallargs.h>
     61   1.1  christos 
     62  1.20        ad #include <sys/cpu.h>
     63   1.1  christos #include <machine/reg.h>
     64   1.1  christos #include <compat/common/compat_util.h>
     65   1.5       mrg 
     66   1.1  christos #ifdef m68k
     67   1.4  jonathan #include <machine/psl.h>		/* only m68k ports use PSL_ALLCC */
     68   1.1  christos #include <machine/frame.h>
     69   1.1  christos #define GETPS(rp)	((struct frame *)(rp))->f_sr
     70   1.1  christos #else
     71   1.1  christos #define GETPS(rp)	(rp)[PS]
     72   1.1  christos #endif
     73   1.1  christos 
     74   1.1  christos int
     75  1.21       dsl compat_43_sys_wait(struct lwp *l, const void *v, register_t *retval)
     76   1.1  christos {
     77  1.19       dsl 	int error, status, was_zombie;
     78  1.19       dsl 	int child_pid = WAIT_ANY;
     79  1.19       dsl 
     80  1.19       dsl 
     81  1.19       dsl #ifdef PSL_ALLCC
     82  1.19       dsl #else
     83  1.19       dsl #endif
     84   1.1  christos 
     85   1.1  christos #ifdef PSL_ALLCC
     86  1.10   thorpej 	if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) {
     87  1.19       dsl 		error = do_sys_wait(l, &child_pid, &status, 0, NULL, &was_zombie);
     88   1.1  christos 	} else {
     89  1.19       dsl 		error = do_sys_wait(l, &child_pid, &status,
     90  1.19       dsl 		    l->l_md.md_regs[R0], (struct rusage *)l->l_md.md_regs[R1],
     91  1.19       dsl 		    &was_zombie);
     92   1.1  christos 	}
     93   1.1  christos #else
     94  1.19       dsl 	error = do_sys_wait(l, &child_pid, &status, 0, NULL, &was_zombie);
     95   1.1  christos #endif
     96  1.19       dsl 	retval[0] = child_pid;
     97  1.19       dsl 	retval[1] = status;
     98  1.19       dsl 	return error;
     99   1.1  christos }
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