tools/include/linux/spinlock.h

   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
  18 static inline void arch_spin_lock(arch_spinlock_t *mutex)
  19 {
  20         pthread_mutex_lock(mutex);
  21 }
  22
  23 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
  24 {
  25         pthread_mutex_unlock(mutex);
  26 }
  27
  28 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
  29 {
  30         return true;
  31 }
  32
  33 #endif