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