1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_SPINLOCK_H_
3 #define __LINUX_SPINLOCK_H_
4 
5 #include <pthread.h>
6 #include <stdbool.h>
7 
8 #define spinlock_t		pthread_mutex_t
9 #define DEFINE_SPINLOCK(x)	pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
10 #define __SPIN_LOCK_UNLOCKED(x)	(pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
11 #define spin_lock_init(x)	pthread_mutex_init(x, NULL)
12 
13 #define spin_lock(x)			pthread_mutex_lock(x)
14 #define spin_lock_nested(x, subclass)	pthread_mutex_lock(x)
15 #define spin_unlock(x)			pthread_mutex_unlock(x)
16 #define spin_lock_bh(x)			pthread_mutex_lock(x)
17 #define spin_unlock_bh(x)		pthread_mutex_unlock(x)
18 #define spin_lock_irq(x)		pthread_mutex_lock(x)
19 #define spin_unlock_irq(x)		pthread_mutex_unlock(x)
20 #define spin_lock_irqsave(x, f)		(void)f, pthread_mutex_lock(x)
21 #define spin_unlock_irqrestore(x, f)	(void)f, pthread_mutex_unlock(x)
22 
23 #define arch_spinlock_t pthread_mutex_t
24 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
25 
arch_spin_lock(arch_spinlock_t * mutex)26 static inline void arch_spin_lock(arch_spinlock_t *mutex)
27 {
28 	pthread_mutex_lock(mutex);
29 }
30 
arch_spin_unlock(arch_spinlock_t * mutex)31 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
32 {
33 	pthread_mutex_unlock(mutex);
34 }
35 
arch_spin_is_locked(arch_spinlock_t * mutex)36 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
37 {
38 	return true;
39 }
40 
41 #endif
42