mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-05-13 18:59:44 +08:00
28ee86a9b0
Imported from Freescale Linux repository git://git.freescale.com/ppc/upstream/linux.git commit 2774c204cd8bfc56a200ff4dcdfc9cdf5b6fc161. Linux compatibility layer is partly from FreeBSD.
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _LINUX_SPINLOCK_H_
|
|
#define _LINUX_SPINLOCK_H_
|
|
|
|
#include <sys/lock.h>
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/rwlock.h>
|
|
|
|
typedef struct _Mutex_Control spinlock_t;
|
|
|
|
#define spin_lock_init(_l) _Mutex_Initialize(_l)
|
|
#define spin_lock(_l) _Mutex_Acquire(_l)
|
|
#define spin_unlock(_l) _Mutex_Release(_l)
|
|
#define spin_lock_irq(_l) spin_lock(_l)
|
|
#define spin_unlock_irq(_l) spin_unlock(_l)
|
|
#define spin_lock_irqsave(_l, _f) \
|
|
do { (void)_f; spin_lock(_l); } while (0)
|
|
#define spin_unlock_irqrestore(_l, _f) \
|
|
do { (void)_f; spin_unlock(_l); } while (0)
|
|
|
|
#define __SPIN_LOCK_UNLOCKED(_l) _MUTEX_INITIALIZER
|
|
|
|
#define DEFINE_SPINLOCK(_l) spinlock_t _l = __SPIN_LOCK_UNLOCKED(_l)
|
|
|
|
typedef spinlock_t raw_spinlock_t;
|
|
|
|
#define raw_spin_lock_init(_l) spin_lock_init(_l)
|
|
#define raw_spin_lock_irqsave(_l, _f) spin_lock_irqsave(_l, _f)
|
|
#define raw_spin_unlock_irqrestore(_l, _f) spin_unlock_irqrestore(_l, _f)
|
|
|
|
#define local_irq_save(_f) rtems_interrupt_local_disable(_f)
|
|
#define local_irq_restore(_f) rtems_interrupt_local_enable(_f)
|
|
|
|
#endif /* _LINUX_SPINLOCK_H_ */
|