1*a5511fa9Sguenther /* $OpenBSD: spinlock.h,v 1.6 2017/09/05 02:40:54 guenther Exp $ */ 295c7671fSmiod /* $NetBSD: lock.h,v 1.10 2006/01/03 01:29:46 uwe Exp $ */ 395c7671fSmiod 495c7671fSmiod /*- 595c7671fSmiod * Copyright (c) 2002 The NetBSD Foundation, Inc. 695c7671fSmiod * All rights reserved. 795c7671fSmiod * 895c7671fSmiod * This code is derived from software contributed to The NetBSD Foundation 995c7671fSmiod * by Gregory McGarry. 1095c7671fSmiod * 1195c7671fSmiod * Redistribution and use in source and binary forms, with or without 1295c7671fSmiod * modification, are permitted provided that the following conditions 1395c7671fSmiod * are met: 1495c7671fSmiod * 1. Redistributions of source code must retain the above copyright 1595c7671fSmiod * notice, this list of conditions and the following disclaimer. 1695c7671fSmiod * 2. Redistributions in binary form must reproduce the above copyright 1795c7671fSmiod * notice, this list of conditions and the following disclaimer in the 1895c7671fSmiod * documentation and/or other materials provided with the distribution. 1995c7671fSmiod * 2095c7671fSmiod * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2195c7671fSmiod * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2295c7671fSmiod * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2395c7671fSmiod * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2495c7671fSmiod * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2595c7671fSmiod * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2695c7671fSmiod * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2795c7671fSmiod * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2895c7671fSmiod * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2995c7671fSmiod * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3095c7671fSmiod * POSSIBILITY OF SUCH DAMAGE. 3195c7671fSmiod */ 3295c7671fSmiod 3395c7671fSmiod /* 3495c7671fSmiod * Machine-dependent spin lock operations. 3595c7671fSmiod */ 3695c7671fSmiod 3795c7671fSmiod #ifndef _SH_SPINLOCK_H_ 3895c7671fSmiod #define _SH_SPINLOCK_H_ 3995c7671fSmiod 40ad97619cSmiod typedef unsigned char _atomic_lock_t; 4195c7671fSmiod 427ff8e670Stedu #define _ATOMIC_LOCK_LOCKED 0x80 437ff8e670Stedu #define _ATOMIC_LOCK_UNLOCKED 0x00 4495c7671fSmiod 4595c7671fSmiod #endif /* !_SH_SPINLOCK_H_ */ 46