1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_SPINLOCK_H_ 2 #ifndef __LINUX_SPINLOCK_H_
3 #define __LINUX_SPINLOCK_H_ 3 #define __LINUX_SPINLOCK_H_
4 4
5 #include <pthread.h> 5 #include <pthread.h>
6 #include <stdbool.h> 6 #include <stdbool.h>
7 7
8 #define spinlock_t pthread_mutex_ 8 #define spinlock_t pthread_mutex_t
9 #define DEFINE_SPINLOCK(x) pthread_mutex_ 9 #define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
10 #define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex 10 #define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
11 #define spin_lock_init(x) pthread_mutex_ 11 #define spin_lock_init(x) pthread_mutex_init(x, NULL)
12 12
13 #define spin_lock(x) pthrea 13 #define spin_lock(x) pthread_mutex_lock(x)
14 #define spin_lock_nested(x, subclass) pthrea <<
15 #define spin_unlock(x) pthrea 14 #define spin_unlock(x) pthread_mutex_unlock(x)
16 #define spin_lock_bh(x) pthrea 15 #define spin_lock_bh(x) pthread_mutex_lock(x)
17 #define spin_unlock_bh(x) pthrea 16 #define spin_unlock_bh(x) pthread_mutex_unlock(x)
18 #define spin_lock_irq(x) pthrea 17 #define spin_lock_irq(x) pthread_mutex_lock(x)
19 #define spin_unlock_irq(x) pthrea 18 #define spin_unlock_irq(x) pthread_mutex_unlock(x)
20 #define spin_lock_irqsave(x, f) (void) 19 #define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
21 #define spin_unlock_irqrestore(x, f) (void) 20 #define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
22 21
23 #define arch_spinlock_t pthread_mutex_t 22 #define arch_spinlock_t pthread_mutex_t
24 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTE 23 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
25 24
26 static inline void arch_spin_lock(arch_spinloc 25 static inline void arch_spin_lock(arch_spinlock_t *mutex)
27 { 26 {
28 pthread_mutex_lock(mutex); 27 pthread_mutex_lock(mutex);
29 } 28 }
30 29
31 static inline void arch_spin_unlock(arch_spinl 30 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
32 { 31 {
33 pthread_mutex_unlock(mutex); 32 pthread_mutex_unlock(mutex);
34 } 33 }
35 34
36 static inline bool arch_spin_is_locked(arch_sp 35 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
37 { 36 {
38 return true; 37 return true;
39 } 38 }
40 39
41 #endif 40 #endif
42 41
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.