lock.h revision 1.1
11.1Sthorpej/* $NetBSD: lock.h,v 1.1 1998/09/24 22:32:35 thorpej Exp $ */ 21.1Sthorpej 31.1Sthorpej/*- 41.1Sthorpej * Copyright (c) 1998 The NetBSD Foundation, Inc. 51.1Sthorpej * All rights reserved. 61.1Sthorpej * 71.1Sthorpej * This code is derived from software contributed to The NetBSD Foundation 81.1Sthorpej * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 91.1Sthorpej * NASA Ames Research Center. 101.1Sthorpej * 111.1Sthorpej * Redistribution and use in source and binary forms, with or without 121.1Sthorpej * modification, are permitted provided that the following conditions 131.1Sthorpej * are met: 141.1Sthorpej * 1. Redistributions of source code must retain the above copyright 151.1Sthorpej * notice, this list of conditions and the following disclaimer. 161.1Sthorpej * 2. Redistributions in binary form must reproduce the above copyright 171.1Sthorpej * notice, this list of conditions and the following disclaimer in the 181.1Sthorpej * documentation and/or other materials provided with the distribution. 191.1Sthorpej * 3. All advertising materials mentioning features or use of this software 201.1Sthorpej * must display the following acknowledgement: 211.1Sthorpej * This product includes software developed by the NetBSD 221.1Sthorpej * Foundation, Inc. and its contributors. 231.1Sthorpej * 4. Neither the name of The NetBSD Foundation nor the names of its 241.1Sthorpej * contributors may be used to endorse or promote products derived 251.1Sthorpej * from this software without specific prior written permission. 261.1Sthorpej * 271.1Sthorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 281.1Sthorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 291.1Sthorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 301.1Sthorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 311.1Sthorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 321.1Sthorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 331.1Sthorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 341.1Sthorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 351.1Sthorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 361.1Sthorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 371.1Sthorpej * POSSIBILITY OF SUCH DAMAGE. 381.1Sthorpej */ 391.1Sthorpej 401.1Sthorpej/* 411.1Sthorpej * Machine-dependent spin lock operations. 421.1Sthorpej */ 431.1Sthorpej 441.1Sthorpej#if defined(_KERNEL) 451.1Sthorpejvoid simple_lock_init __P((__volatile struct simplelock *)); 461.1Sthorpejvoid simple_lock __P((__volatile struct simplelock *)); 471.1Sthorpejint simple_lock_try __P((__volatile struct simplelock *)); 481.1Sthorpejvoid simple_unlock __P((__volatile struct simplelock *)); 491.1Sthorpej#endif /* _KERNEL */ 50