xref: /netbsd-src/sys/compat/common/compat_sysv_14_mod.c (revision d91f98a8715141154279122ae81737cb65179572)
1 /*	$NetBSD: compat_sysv_14_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 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: compat_sysv_14_mod.c,v 1.2 2019/01/27 02:08:39 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 
47 MODULE(MODULE_CLASS_EXEC, compat_sysv_14, "compat_sysv_50,sysv_ipc");
48 
49 /* Build the syscall package based on options specified */
50 
51 static const struct syscall_package compat_sysv_14_syscalls[] = {
52 #ifdef SYSVSHM
53 	{ SYS_compat_14_shmctl, 0, (sy_call_t *)compat_14_sys_shmctl },
54 #endif
55 #ifdef	SYSVSEM
56 	{ SYS_compat_14___semctl, 0, (sy_call_t *)compat_14_sys___semctl },
57 #endif
58 #ifdef	SYSVMSG
59 	{ SYS_compat_14_msgctl, 0, (sy_call_t *)compat_14_sys_msgctl },
60 #endif
61 	{ 0, 0, NULL }
62 };
63 
64 static int
compat_sysv_14_modcmd(modcmd_t cmd,void * arg)65 compat_sysv_14_modcmd(modcmd_t cmd, void *arg)
66 {
67 
68 	int error = 0;
69 
70 	switch (cmd) {
71 	case MODULE_CMD_INIT:
72 		error = syscall_establish(NULL, compat_sysv_14_syscalls);
73 		if (error != 0) {
74 			break;
75 		}
76 		break;
77 
78 	case MODULE_CMD_FINI:
79 		error = syscall_disestablish(NULL, compat_sysv_14_syscalls);
80 		if (error != 0) {
81 			break;
82 		}
83 		break;
84 
85 	default:
86 		error = ENOTTY;
87 		break;
88 	}
89 	return error;
90 }
91