sys/compat/common/kern_exit_43.c

   1 /*      $NetBSD: kern_exit_43.c,v 1.21 2007/12/20 23:02:44 dsl Exp $    */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1989, 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  * (c) UNIX System Laboratories, Inc.
   7  * All or some portions of this file are derived from material licensed
   8  * to the University of California by American Telephone and Telegraph
   9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  10  * the permission of UNIX System Laboratories, Inc.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)kern_exit.c 8.7 (Berkeley) 2/12/94
  37  */
  38
  39 #include <sys/cdefs.h>
  40 __KERNEL_RCSID(0, "$NetBSD: kern_exit_43.c,v 1.21 2007/12/20 23:02:44 dsl Exp $");
  41
  42 #include <sys/param.h>
  43 #include <sys/systm.h>
  44 #include <sys/ioctl.h>
  45 #include <sys/proc.h>
  46 #include <sys/tty.h>
  47 #include <sys/time.h>
  48 #include <sys/resource.h>
  49 #include <sys/kernel.h>
  50 #include <sys/buf.h>
  51 #include <sys/wait.h>
  52 #include <sys/file.h>
  53 #include <sys/vnode.h>
  54 #include <sys/syslog.h>
  55 #include <sys/resourcevar.h>
  56 #include <sys/ptrace.h>
  57 #include <sys/acct.h>
  58
  59 #include <sys/mount.h>
  60 #include <sys/syscallargs.h>
  61
  62 #include <sys/cpu.h>
  63 #include <machine/reg.h>
  64 #include <compat/common/compat_util.h>
  65
  66 #ifdef m68k
  67 #include <machine/psl.h>                /* only m68k ports use PSL_ALLCC */
  68 #include <machine/frame.h>
  69 #define GETPS(rp)       ((struct frame *)(rp))->f_sr
  70 #else
  71 #define GETPS(rp)       (rp)[PS]
  72 #endif
  73
  74 int
  75 compat_43_sys_wait(struct lwp *l, const void *v, register_t *retval)
  76 {
  77         int error, status, child_pid = WAIT_ANY;
  78
  79 #ifdef PSL_ALLCC
  80         if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) {
  81                 error = do_sys_wait(&child_pid, &status, 0, NULL);
  82         } else {
  83                 error = do_sys_wait(&child_pid, &status,
  84                     l->l_md.md_regs[R0], (struct rusage *)l->l_md.md_regs[R1]);
  85         }
  86 #else
  87         error = do_sys_wait(&child_pid, &status, 0, NULL);
  88 #endif
  89         retval[0] = child_pid;
  90         retval[1] = status;
  91         return error;
  92 }