1 /* $NetBSD: hello.c,v 1.1 2015/05/13 07:07:36 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2015 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: hello.c,v 1.1 2015/05/13 07:07:36 pgoyette Exp $");
31
32 #include <sys/param.h>
33 #include <sys/module.h>
34
35 /*
36 * Last parameter of MODULE macro is a list of names (as string; names are
37 * separated by commas) of dependencies. If module has no dependencies,
38 * then NULL should be passed.
39 */
40
41 MODULE(MODULE_CLASS_MISC, hello, NULL);
42
43 static int
hello_modcmd(modcmd_t cmd,void * arg __unused)44 hello_modcmd(modcmd_t cmd, void *arg __unused)
45 {
46 switch (cmd) {
47 case MODULE_CMD_INIT:
48 printf("Example module loaded.\n");
49 break;
50
51 case MODULE_CMD_FINI:
52 printf("Example module unloaded.\n");
53 break;
54
55 case MODULE_CMD_STAT:
56 printf("Example module status queried.\n");
57 break;
58
59 default:
60 return ENOTTY;
61 }
62
63 return 0;
64 }
65