kern_exit_43.c revision 1.7 1 /* $NetBSD: kern_exit_43.c,v 1.7 2001/11/13 02:08:00 lukem 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 1.7 2001/11/13 02:08:00 lukem Exp $");
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/map.h>
49 #include <sys/ioctl.h>
50 #include <sys/proc.h>
51 #include <sys/tty.h>
52 #include <sys/time.h>
53 #include <sys/resource.h>
54 #include <sys/kernel.h>
55 #include <sys/proc.h>
56 #include <sys/buf.h>
57 #include <sys/wait.h>
58 #include <sys/file.h>
59 #include <sys/vnode.h>
60 #include <sys/syslog.h>
61 #include <sys/malloc.h>
62 #include <sys/resourcevar.h>
63 #include <sys/ptrace.h>
64 #include <sys/acct.h>
65
66 #include <sys/mount.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(p, v, retval)
83 struct proc *p;
84 void *v;
85 register_t *retval;
86 {
87 caddr_t sg = stackgap_init(p->p_emul);
88 int error;
89
90 struct sys_wait4_args /* {
91 syscallarg(int) pid;
92 syscallarg(int *) status;
93 syscallarg(int) options;
94 syscallarg(struct rusage *) rusage;
95 } */ a;
96
97 #ifdef PSL_ALLCC
98 if ((GETPS(p->p_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) {
99 SCARG(&a, options) = 0;
100 SCARG(&a, rusage) = NULL;
101 } else {
102 SCARG(&a, options) = p->p_md.md_regs[R0];
103 SCARG(&a, rusage) = (struct rusage *)p->p_md.md_regs[R1];
104 }
105 #else
106 SCARG(&a, options) = 0;
107 SCARG(&a, rusage) = NULL;
108 #endif
109 SCARG(&a, pid) = WAIT_ANY;
110 SCARG(&a, status) = stackgap_alloc(&sg, sizeof(SCARG(&a, status)));
111 if ((error = sys_wait4(p, &a, retval)) != 0)
112 return error;
113 return copyin(SCARG(&a, status), &retval[1], sizeof(retval[1]));
114 }
115