/* $OpenBSD: spinlock.h,v 1.3 2013/06/01 20:47:40 tedu Exp $ */ #ifndef _MACHINE_SPINLOCK_H_ #define _MACHINE_SPINLOCK_H_ #define _ATOMIC_LOCK_UNLOCKED (0x00) #define _ATOMIC_LOCK_LOCKED (0xFF) typedef unsigned char _atomic_lock_t; #ifndef _KERNEL int _atomic_lock(volatile _atomic_lock_t *); #endif #endif