1 /* $NetBSD: kern_exit_43.c,v 1.20 2007/10/19 12:16:36 ad 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 1.20 2007/10/19 12:16:36 ad 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, void *v, register_t *retval) 76 { 77 int error, status, was_zombie; 78 int child_pid = WAIT_ANY; 79 80 81 #ifdef PSL_ALLCC 82 #else 83 #endif 84 85 #ifdef PSL_ALLCC 86 if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) { 87 error = do_sys_wait(l, &child_pid, &status, 0, NULL, &was_zombie); 88 } else { 89 error = do_sys_wait(l, &child_pid, &status, 90 l->l_md.md_regs[R0], (struct rusage *)l->l_md.md_regs[R1], 91 &was_zombie); 92 } 93 #else 94 error = do_sys_wait(l, &child_pid, &status, 0, NULL, &was_zombie); 95 #endif 96 retval[0] = child_pid; 97 retval[1] = status; 98 return error; 99 } 100