/* $OpenBSD: lock.h,v 1.1 2016/12/17 23:38:33 patrick Exp $ */ /* * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * Machine-dependent spin lock operations. */ #ifndef _MACHINE_LOCK_H_ #define _MACHINE_LOCK_H_ #include <machine/atomic.h> typedef __volatile int __cpu_simple_lock_t; #define __SIMPLELOCK_LOCKED 1 #define __SIMPLELOCK_UNLOCKED 0 #endif /* _MACHINE_LOCK_H_ */