genode/repos/dde_linux/src/include/lx_emul/spinlock.h

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/*
* \brief Linux kernel API
* \author Norman Feske
* \author Sebastian Sumpf
* \author Josef Soentgen
* \date 2014-08-21
*
* Based on the prototypes found in the Linux kernel's 'include/'.
*/
/*
* Copyright (C) 2014 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/**********************
** linux/spinlock.h **
**********************/
typedef struct spinlock { unsigned unused; } spinlock_t;
#define DEFINE_SPINLOCK(name) spinlock_t name
void spin_lock(spinlock_t *lock);
void spin_lock_nested(spinlock_t *lock, int subclass);
void spin_unlock(spinlock_t *lock);
void spin_lock_init(spinlock_t *lock);
void spin_lock_irqsave(spinlock_t *lock, unsigned long flags);
void spin_lock_irqrestore(spinlock_t *lock, unsigned long flags);
void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags);
void spin_lock_irq(spinlock_t *lock);
void spin_unlock_irq(spinlock_t *lock);
void assert_spin_locked(spinlock_t *lock);
void spin_lock_bh(spinlock_t *lock);
void spin_unlock_bh(spinlock_t *lock);
int spin_trylock(spinlock_t *lock);
/****************************
** linux/spinlock_types.h **
****************************/
#define __SPIN_LOCK_UNLOCKED(x) 0