42 lines · c
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_t9#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER10#define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER11#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_t24#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER25 26static inline void arch_spin_lock(arch_spinlock_t *mutex)27{28 pthread_mutex_lock(mutex);29}30 31static inline void arch_spin_unlock(arch_spinlock_t *mutex)32{33 pthread_mutex_unlock(mutex);34}35 36static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)37{38 return true;39}40 41#endif42