1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1997 Doug Rabson
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _SYS_MODULE_H_
30#define _SYS_MODULE_H_
31
32
33typedef enum modeventtype {
34	MOD_LOAD,
35	MOD_UNLOAD,
36	MOD_SHUTDOWN,
37	MOD_QUIESCE
38} modeventtype_t;
39
40typedef struct module *module_t;
41typedef int (*modeventhand_t)(module_t, int /* modeventtype_t */, void *);
42
43/*
44 * Struct for registering modules statically via SYSINIT.
45 */
46typedef struct moduledata {
47	const char	*name;		/* module name */
48	modeventhand_t  evhand;		/* event handler */
49	void		*priv;		/* extra data */
50} moduledata_t;
51
52
53#define MODULE_DEPEND(module, mdepend, vmin, vpref, vmax)
54#define	DECLARE_MODULE(name, data, sub, order)
55
56
57#endif	/* !_SYS_MODULE_H_ */
58