at v4.17-rc2 33 lines 836 B view raw
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 12#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x) 13#define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x) 14 15#define arch_spinlock_t pthread_mutex_t 16#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER 17 18static inline void arch_spin_lock(arch_spinlock_t *mutex) 19{ 20 pthread_mutex_lock(mutex); 21} 22 23static inline void arch_spin_unlock(arch_spinlock_t *mutex) 24{ 25 pthread_mutex_unlock(mutex); 26} 27 28static inline bool arch_spin_is_locked(arch_spinlock_t *mutex) 29{ 30 return true; 31} 32 33#endif