linux-stable/tools/include/linux/spinlock.h
Sasha Levin 3a49cc22d3 tools/lib/lockdep: drop leftover liblockdep headers
Clean up remaining headers that are specific to liblockdep but lived in
the shared header directory.  These are all unused after the liblockdep
code was removed in commit 7246f4dcac ("tools/lib/lockdep: drop
liblockdep").

Note that there are still headers that were originally created for
liblockdep, that still have liblockdep references, but they are used by
other tools/ code at this point.

Signed-off-by: Sasha Levin <sashal@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-12-09 09:37:49 -08:00

40 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_SPINLOCK_H_
#define __LINUX_SPINLOCK_H_
#include <pthread.h>
#include <stdbool.h>
#define spinlock_t pthread_mutex_t
#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
#define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
#define spin_lock_init(x) pthread_mutex_init(x, NULL)
#define spin_lock(x) pthread_mutex_lock(x)
#define spin_unlock(x) pthread_mutex_unlock(x)
#define spin_lock_bh(x) pthread_mutex_lock(x)
#define spin_unlock_bh(x) pthread_mutex_unlock(x)
#define spin_lock_irq(x) pthread_mutex_lock(x)
#define spin_unlock_irq(x) pthread_mutex_unlock(x)
#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
#define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
#define arch_spinlock_t pthread_mutex_t
#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
static inline void arch_spin_lock(arch_spinlock_t *mutex)
{
pthread_mutex_lock(mutex);
}
static inline void arch_spin_unlock(arch_spinlock_t *mutex)
{
pthread_mutex_unlock(mutex);
}
static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
{
return true;
}
#endif