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_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) 19 #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) 21 22 #define arch_spinlock_t pthread_mutex_t 23 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER 24 25 static inline void arch_spin_lock(arch_spinlock_t *mutex) 26 { 27 pthread_mutex_lock(mutex); 28 } 29 30 static inline void arch_spin_unlock(arch_spinlock_t *mutex) 31 { 32 pthread_mutex_unlock(mutex); 33 } 34 35 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex) 36 { 37 return true; 38 } 39 40 #include <linux/lockdep.h> 41 42 #endif 43