spinlock.h 894 B

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __LINUX_SPINLOCK_H_
  3. #define __LINUX_SPINLOCK_H_
  4. #include <pthread.h>
  5. #include <stdbool.h>
  6. #define spinlock_t pthread_mutex_t
  7. #define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
  8. #define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
  9. #define spin_lock_init(x) pthread_mutex_init(x, NULL)
  10. #define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
  11. #define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
  12. #define arch_spinlock_t pthread_mutex_t
  13. #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
  14. static inline void arch_spin_lock(arch_spinlock_t *mutex)
  15. {
  16. pthread_mutex_lock(mutex);
  17. }
  18. static inline void arch_spin_unlock(arch_spinlock_t *mutex)
  19. {
  20. pthread_mutex_unlock(mutex);
  21. }
  22. static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
  23. {
  24. return true;
  25. }
  26. #endif