spinlock.h 1.2 KB

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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(x) pthread_mutex_lock(x)
  11. #define spin_unlock(x) pthread_mutex_unlock(x)
  12. #define spin_lock_bh(x) pthread_mutex_lock(x)
  13. #define spin_unlock_bh(x) pthread_mutex_unlock(x)
  14. #define spin_lock_irq(x) pthread_mutex_lock(x)
  15. #define spin_unlock_irq(x) pthread_mutex_unlock(x)
  16. #define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
  17. #define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
  18. #define arch_spinlock_t pthread_mutex_t
  19. #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
  20. static inline void arch_spin_lock(arch_spinlock_t *mutex)
  21. {
  22. pthread_mutex_lock(mutex);
  23. }
  24. static inline void arch_spin_unlock(arch_spinlock_t *mutex)
  25. {
  26. pthread_mutex_unlock(mutex);
  27. }
  28. static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
  29. {
  30. return true;
  31. }
  32. #include <linux/lockdep.h>
  33. #endif