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 26 static inline void arch_spin_lock(arch_spinlock_t *mutex) 27 { 28 pthread_mutex_lock(mutex); 29 } 30 31 static inline void arch_spin_unlock(arch_spinlock_t *mutex) 32 { 33 pthread_mutex_unlock(mutex); 34 } 35 36 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex) 37 { 38 return true; 39 } 40 41 #endif 42