1*4f1223e8SApple OSS Distributions /* 2*4f1223e8SApple OSS Distributions * Copyright (c) 1998-2010 Apple Computer, Inc. All rights reserved. 3*4f1223e8SApple OSS Distributions * 4*4f1223e8SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*4f1223e8SApple OSS Distributions * 6*4f1223e8SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4f1223e8SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4f1223e8SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4f1223e8SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*4f1223e8SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*4f1223e8SApple OSS Distributions * file. 12*4f1223e8SApple OSS Distributions * 13*4f1223e8SApple OSS Distributions * The Original Code and all software distributed under the License are 14*4f1223e8SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*4f1223e8SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*4f1223e8SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*4f1223e8SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*4f1223e8SApple OSS Distributions * Please see the License for the specific language governing rights and 19*4f1223e8SApple OSS Distributions * limitations under the License. 20*4f1223e8SApple OSS Distributions * 21*4f1223e8SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*4f1223e8SApple OSS Distributions */ 23*4f1223e8SApple OSS Distributions 24*4f1223e8SApple OSS Distributions #ifndef _IOKIT_IOSHAREDLOCK_H 25*4f1223e8SApple OSS Distributions #define _IOKIT_IOSHAREDLOCK_H 26*4f1223e8SApple OSS Distributions 27*4f1223e8SApple OSS Distributions #include <libkern/OSAtomic.h> 28*4f1223e8SApple OSS Distributions 29*4f1223e8SApple OSS Distributions #define IOSharedLockData OSSpinLock 30*4f1223e8SApple OSS Distributions #define ev_lock_data_t OSSpinLock 31*4f1223e8SApple OSS Distributions 32*4f1223e8SApple OSS Distributions #ifdef KERNEL 33*4f1223e8SApple OSS Distributions #define ev_unlock(l) OSSpinLockUnlock(l) 34*4f1223e8SApple OSS Distributions #define ev_try_lock(l) OSSpinLockTry(l) 35*4f1223e8SApple OSS Distributions #endif 36*4f1223e8SApple OSS Distributions 37*4f1223e8SApple OSS Distributions #endif /* ! _IOKIT_IOSHAREDLOCK_H */ 38