1/*-
2 * Copyright (c) 2009-2011, Juniper Networks, Inc.
3 * Copyright (c) 2015, EMC Corp.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY JUNIPER NETWORKS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL JUNIPER NETWORKS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: releng/10.2/sys/dev/filemon/filemon_lock.c 293893 2016-01-14 09:10:46Z glebius $");
30
31static __inline void
32filemon_filemon_lock(struct filemon *filemon)
33{
34
35	sx_xlock(&filemon->lock);
36}
37
38static __inline void
39filemon_filemon_unlock(struct filemon *filemon)
40{
41
42	sx_xunlock(&filemon->lock);
43}
44
45static __inline void
46filemon_lock_read(void)
47{
48
49	sx_slock(&access_lock);
50}
51
52static __inline void
53filemon_unlock_read(void)
54{
55
56	sx_sunlock(&access_lock);
57}
58
59static __inline void
60filemon_lock_write(void)
61{
62
63	sx_xlock(&access_lock);
64}
65
66static __inline void
67filemon_unlock_write(void)
68{
69
70	sx_xunlock(&access_lock);
71}
72