spinlock.h (1182B)
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 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 40#endif