1 #define spinlock_t pthread_mutex_t 2 #define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER; 3 4 #define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x) 5 #define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x) 6