/* * Copyright (c) 2002, 2006 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef __OBJC_SNYC_H_ #define __OBJC_SNYC_H_ #include <objc/objc.h> // Begin synchronizing on 'obj'. // Allocates recursive pthread_mutex associated with 'obj' if needed. // Returns OBJC_SYNC_SUCCESS once lock is acquired. OBJC_EXPORT int objc_sync_enter(id obj) __OSX_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0); // End synchronizing on 'obj'. // Returns OBJC_SYNC_SUCCESS or OBJC_SYNC_NOT_OWNING_THREAD_ERROR OBJC_EXPORT int objc_sync_exit(id obj) __OSX_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0); // The wait/notify functions have never worked correctly and no longer exist. OBJC_EXPORT int objc_sync_wait(id obj, long long milliSecondsMaxWait) UNAVAILABLE_ATTRIBUTE; OBJC_EXPORT int objc_sync_notify(id obj) UNAVAILABLE_ATTRIBUTE; OBJC_EXPORT int objc_sync_notifyAll(id obj) UNAVAILABLE_ATTRIBUTE; enum { OBJC_SYNC_SUCCESS = 0, OBJC_SYNC_NOT_OWNING_THREAD_ERROR = -1, OBJC_SYNC_TIMED_OUT = -2, OBJC_SYNC_NOT_INITIALIZED = -3 }; #endif // __OBJC_SNYC_H_