blob: c934572d935cc116ba4b7607706973e0b4a32439 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Levin, Alexander (Sasha Levin)e58e8712017-05-31 00:38:09 +00002#ifndef __LINUX_SPINLOCK_H_
3#define __LINUX_SPINLOCK_H_
4
5#include <pthread.h>
6#include <stdbool.h>
7
Matthew Wilcox12ea6532016-12-16 14:53:45 -05008#define spinlock_t pthread_mutex_t
Ross Zwislerdcbbf252018-05-18 16:08:54 -07009#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
Matthew Wilcoxf6bb2a22018-04-10 16:36:52 -070010#define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
Matthew Wilcox9b89a032017-11-10 09:34:31 -050011#define spin_lock_init(x) pthread_mutex_init(x, NULL)
Matthew Wilcox12ea6532016-12-16 14:53:45 -050012
Matthew Wilcox9b89a032017-11-10 09:34:31 -050013#define spin_lock(x) pthread_mutex_lock(x)
14#define spin_unlock(x) pthread_mutex_unlock(x)
15#define spin_lock_bh(x) pthread_mutex_lock(x)
16#define spin_unlock_bh(x) pthread_mutex_unlock(x)
17#define spin_lock_irq(x) pthread_mutex_lock(x)
18#define spin_unlock_irq(x) pthread_mutex_unlock(x)
Matthew Wilcox12ea6532016-12-16 14:53:45 -050019#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
20#define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
Levin, Alexander (Sasha Levin)e58e8712017-05-31 00:38:09 +000021
22#define arch_spinlock_t pthread_mutex_t
23#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
24
25static inline void arch_spin_lock(arch_spinlock_t *mutex)
26{
27 pthread_mutex_lock(mutex);
28}
29
30static inline void arch_spin_unlock(arch_spinlock_t *mutex)
31{
32 pthread_mutex_unlock(mutex);
33}
34
35static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
36{
37 return true;
38}
39
Matthew Wilcox58d6ea32017-11-10 15:15:08 -050040#include <linux/lockdep.h>
41
Levin, Alexander (Sasha Levin)e58e8712017-05-31 00:38:09 +000042#endif