1 /* $NetBSD: kern_exit_43.c,v 1.23 2019/01/27 02:08:39 pgoyette 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 1.23 2019/01/27 02:08:39 pgoyette Exp $");
41
42 #if defined(_KERNEL_OPT)
43 #include "opt_compat_netbsd.h"
44 #endif
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/buf.h>
55 #include <sys/wait.h>
56 #include <sys/file.h>
57 #include <sys/vnode.h>
58 #include <sys/syslog.h>
59 #include <sys/resourcevar.h>
60 #include <sys/ptrace.h>
61 #include <sys/acct.h>
62
63 #include <sys/mount.h>
64 #include <sys/syscall.h>
65 #include <sys/syscallvar.h>
66 #include <sys/syscallargs.h>
67
68 #include <sys/cpu.h>
69 #include <machine/reg.h>
70 #include <compat/common/compat_util.h>
71 #include <compat/common/compat_mod.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 static struct syscall_package kern_exit_43_syscalls[] = {
82 { SYS_compat_43_owait, 0, (sy_call_t *)compat_43_sys_wait },
83 { 0, 0, NULL}
84 };
85
86 int
compat_43_sys_wait(struct lwp * l,const void * v,register_t * retval)87 compat_43_sys_wait(struct lwp *l, const void *v, register_t *retval)
88 {
89 int error, status, child_pid = WAIT_ANY;
90
91 #ifdef PSL_ALLCC
92 if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) {
93 error = do_sys_wait(&child_pid, &status, 0, NULL);
94 } else {
95 error = do_sys_wait(&child_pid, &status,
96 l->l_md.md_regs[R0], (struct rusage *)l->l_md.md_regs[R1]);
97 }
98 #else
99 error = do_sys_wait(&child_pid, &status, 0, NULL);
100 #endif
101 retval[0] = child_pid;
102 retval[1] = status;
103 return error;
104 }
105
106 int
kern_exit_43_init(void)107 kern_exit_43_init(void)
108 {
109
110 return syscall_establish(NULL, kern_exit_43_syscalls);
111 }
112
113 int
kern_exit_43_fini(void)114 kern_exit_43_fini(void)
115 {
116
117 return syscall_disestablish(NULL, kern_exit_43_syscalls);
118 }
119