root/tools/include/linux/spinlock.h

INCLUDED FROM

DEFINITIONS

1. arch_spin_lock
2. arch_spin_unlock
3. arch_spin_is_locked

   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 #define spin_lock_init(x)       pthread_mutex_init(x, NULL)
  12 
  13 #define spin_lock(x)                    pthread_mutex_lock(x)
  14 #define spin_unlock(x)                  pthread_mutex_unlock(x)
  15 #define spin_lock_bh(x)                 pthread_mutex_lock(x)
  16 #define spin_unlock_bh(x)               pthread_mutex_unlock(x)
  17 #define spin_lock_irq(x)                pthread_mutex_lock(x)
  18 #define spin_unlock_irq(x)              pthread_mutex_unlock(x)
  19 #define spin_lock_irqsave(x, f)         (void)f, pthread_mutex_lock(x)
  20 #define spin_unlock_irqrestore(x, f)    (void)f, pthread_mutex_unlock(x)
  21 
  22 #define arch_spinlock_t pthread_mutex_t
  23 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
  24 
  25 static inline void arch_spin_lock(arch_spinlock_t *mutex)
  26 {
  27         pthread_mutex_lock(mutex);
  28 }
  29 
  30 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
  31 {
  32         pthread_mutex_unlock(mutex);
  33 }
  34 
  35 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
  36 {
  37         return true;
  38 }
  39 
  40 #include <linux/lockdep.h>
  41 
  42 #endif