compat_sysv_14_mod.c revision 1.2 
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
47MODULE(MODULE_CLASS_EXEC, compat_sysv_14, "compat_sysv_50,sysv_ipc");
48
49/* Build the syscall package based on options specified */
50
51static 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
64static int
65compat_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