1 /* $NetBSD: compat_sysv_50_mod.c,v 1.5 2019/12/12 02:15:42 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 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: compat_sysv_50_mod.c,v 1.5 2019/12/12 02:15:42 pgoyette Exp $");
34
35 #ifdef _KERNEL_OPT
36 #include "opt_compat_netbsd.h"
37 #include "opt_sysv.h"
38 #endif
39
40 #include <sys/systm.h>
41 #include <sys/module.h>
42 #include <sys/syscall.h>
43 #include <sys/syscallargs.h>
44 #include <sys/syscallvar.h>
45 #include <sys/sysctl.h>
46 #include <sys/compat_stub.h>
47
48 #include <compat/common/compat_sysv_mod.h>
49
50 MODULE(MODULE_CLASS_EXEC, compat_sysv_50, "sysv_ipc");
51
52 /* Build the syscall package based on options specified */
53
54 static const struct syscall_package compat_sysv_50_syscalls[] = {
55 #ifdef SYSVSHM
56 { SYS_compat_50___shmctl13, 0, (sy_call_t *)compat_50_sys___shmctl13 },
57 #endif
58 #ifdef SYSVSEM
59 { SYS_compat_50_____semctl13, 0, (sy_call_t *)compat_50_sys_____semctl13 },
60 #endif
61 #ifdef SYSVMSG
62 { SYS_compat_50___msgctl13, 0, (sy_call_t *)compat_50_sys___msgctl13 },
63 #endif
64 { 0, 0, NULL }
65 };
66
67 static int
compat_sysv_50_modcmd(modcmd_t cmd,void * arg)68 compat_sysv_50_modcmd(modcmd_t cmd, void *arg)
69 {
70 int error = 0;
71
72 switch (cmd) {
73 case MODULE_CMD_INIT:
74 error = syscall_establish(NULL, compat_sysv_50_syscalls);
75 if (error != 0) {
76 break;
77 }
78 MODULE_HOOK_SET(sysvipc_sysctl_50_hook, sysctl_kern_sysvipc50);
79 break;
80
81 case MODULE_CMD_FINI:
82 error = syscall_disestablish(NULL, compat_sysv_50_syscalls);
83 if (error != 0) {
84 break;
85 }
86 MODULE_HOOK_UNSET(sysvipc_sysctl_50_hook);
87 break;
88
89 default:
90 error = ENOTTY;
91 break;
92 }
93 return error;
94 }
95