1 /* $OpenBSD: spinlock.h,v 1.3 2017/09/05 02:40:54 guenther Exp $ */ 2 3 #ifndef _MACHINE_SPINLOCK_H_ 4 #define _MACHINE_SPINLOCK_H_ 5 6 #define _ATOMIC_LOCK_UNLOCKED (0x00) 7 #define _ATOMIC_LOCK_LOCKED (0xFF) 8 typedef unsigned char _atomic_lock_t; 9 10 #endif 11