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