1 /* $NetBSD: compat_09_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2018 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for The NetBSD Foundation
8 * by Paul Goyette
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Linkage for the compat module: spaghetti.
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: compat_09_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $");
38
39 #if defined(_KERNEL_OPT)
40 #include "opt_compat_netbsd.h"
41 #endif
42
43 #include <sys/systm.h>
44 #include <sys/module.h>
45 #include <sys/sysctl.h>
46 #include <sys/syscall.h>
47 #include <sys/syscallvar.h>
48 #include <sys/syscallargs.h>
49 #include <sys/compat_stub.h>
50
51 #include <compat/common/compat_util.h>
52 #include <compat/common/compat_mod.h>
53
54
55 static int saved_pgid_mask;
56
57 int
compat_09_init(void)58 compat_09_init(void)
59 {
60
61 kern_info_09_init();
62 saved_pgid_mask = kern_sig_43_pgid_mask;
63 kern_sig_43_pgid_mask = 0xffff;
64 return 0;
65 }
66
67 int
compat_09_fini(void)68 compat_09_fini(void)
69 {
70
71 kern_info_09_fini();
72 kern_sig_43_pgid_mask = saved_pgid_mask;
73 return 0;
74 }
75
76 MODULE(MODULE_CLASS_EXEC, compat_09,
77 "compat_10,compat_util,compat_sysctl_09_43");
78
79 static int
compat_09_modcmd(modcmd_t cmd,void * arg)80 compat_09_modcmd(modcmd_t cmd, void *arg)
81 {
82
83 switch (cmd) {
84 case MODULE_CMD_INIT:
85 return compat_09_init();
86 case MODULE_CMD_FINI:
87 return compat_09_fini();
88 default:
89 return ENOTTY;
90 }
91 }
92