1 /* $NetBSD: kern_exit_43.c,v 1.10 2003/01/18 07:28:34 thorpej 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)kern_exit.c 8.7 (Berkeley) 2/12/94 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: kern_exit_43.c,v 1.10 2003/01/18 07:28:34 thorpej Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/ioctl.h> 49 #include <sys/proc.h> 50 #include <sys/tty.h> 51 #include <sys/time.h> 52 #include <sys/resource.h> 53 #include <sys/kernel.h> 54 #include <sys/proc.h> 55 #include <sys/buf.h> 56 #include <sys/wait.h> 57 #include <sys/file.h> 58 #include <sys/vnode.h> 59 #include <sys/syslog.h> 60 #include <sys/malloc.h> 61 #include <sys/resourcevar.h> 62 #include <sys/ptrace.h> 63 #include <sys/acct.h> 64 65 #include <sys/mount.h> 66 #include <sys/sa.h> 67 #include <sys/syscallargs.h> 68 69 #include <machine/cpu.h> 70 #include <machine/reg.h> 71 #include <compat/common/compat_util.h> 72 73 #ifdef m68k 74 #include <machine/psl.h> /* only m68k ports use PSL_ALLCC */ 75 #include <machine/frame.h> 76 #define GETPS(rp) ((struct frame *)(rp))->f_sr 77 #else 78 #define GETPS(rp) (rp)[PS] 79 #endif 80 81 int 82 compat_43_sys_wait(struct lwp *l, void *v, register_t *retval) 83 { 84 struct proc *p = l->l_proc; 85 caddr_t sg = stackgap_init(p, 0); 86 int error; 87 88 struct sys_wait4_args /* { 89 syscallarg(int) pid; 90 syscallarg(int *) status; 91 syscallarg(int) options; 92 syscallarg(struct rusage *) rusage; 93 } */ a; 94 95 #ifdef PSL_ALLCC 96 if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) { 97 SCARG(&a, options) = 0; 98 SCARG(&a, rusage) = NULL; 99 } else { 100 SCARG(&a, options) = l->l_md.md_regs[R0]; 101 SCARG(&a, rusage) = (struct rusage *)l->l_md.md_regs[R1]; 102 } 103 #else 104 SCARG(&a, options) = 0; 105 SCARG(&a, rusage) = NULL; 106 #endif 107 SCARG(&a, pid) = WAIT_ANY; 108 SCARG(&a, status) = stackgap_alloc(p, &sg, sizeof(SCARG(&a, status))); 109 if ((error = sys_wait4(l, &a, retval)) != 0) 110 return error; 111 return copyin(SCARG(&a, status), &retval[1], sizeof(retval[1])); 112 } 113