/* $OpenBSD: spinlock.h,v 1.4 2013/06/01 20:47:40 tedu Exp $ */ #ifndef _MACHINE_SPINLOCK_H_ #define _MACHINE_SPINLOCK_H_ #define _ATOMIC_LOCK_UNLOCKED (1) #define _ATOMIC_LOCK_LOCKED (0) typedef long _atomic_lock_t __attribute__((__aligned__(16))); #ifndef _KERNEL int _atomic_lock(volatile _atomic_lock_t *); #endif #endif