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sys/compat/linuxkpi/3.15/include/linux/mutex.h
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| /*- | |||||
| * Copyright (c) 2010 Isilon Systems, Inc. | |||||
| * Copyright (c) 2010 iX Systems, Inc. | |||||
| * Copyright (c) 2010 Panasas, Inc. | |||||
| * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice unmodified, this list of conditions, and the following | |||||
| * disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |||||
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |||||
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
| */ | |||||
| #ifndef _LINUX_MUTEX_H_ | |||||
| #define _LINUX_MUTEX_H_ | |||||
| #include <sys/param.h> | |||||
| #include <sys/lock.h> | |||||
| #include <sys/sx.h> | |||||
| #include <linux/spinlock.h> | |||||
| typedef struct mutex { | |||||
| struct sx sx; | |||||
| } mutex_t; | |||||
| #define mutex_lock(_m) sx_xlock(&(_m)->sx) | |||||
| #define mutex_lock_nested(_m, _s) mutex_lock(_m) | |||||
| #define mutex_lock_interruptible(_m) ({ mutex_lock((_m)); 0; }) | |||||
| #define mutex_unlock(_m) sx_xunlock(&(_m)->sx) | |||||
| #define mutex_trylock(_m) !!sx_try_xlock(&(_m)->sx) | |||||
| #define DEFINE_MUTEX(lock) \ | |||||
| mutex_t lock; \ | |||||
| SX_SYSINIT_FLAGS(lock, &(lock).sx, "lnxmtx", SX_NOWITNESS) | |||||
| static inline void | |||||
| linux_mutex_init(mutex_t *m) | |||||
| { | |||||
| memset(&m->sx, 0, sizeof(m->sx)); | |||||
| sx_init_flags(&m->sx, "lnxmtx", SX_NOWITNESS); | |||||
| } | |||||
| #define mutex_init linux_mutex_init | |||||
| #endif /* _LINUX_MUTEX_H_ */ | |||||