/* * Copyright (c) 2002 Apple Computer, 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@ */ /*! * @header DSMutexSemaphore * Interface for the DSMutexSemaphore (mutually exclusive lock) base class. */ #ifndef _DSMutexSemaphore_H_ #define _DSMutexSemaphore_H_ #include "DSSemaphore.h" /****************************************************************************** ==> DSMutexSemaphore class definition <== ******************************************************************************/ class DSMutexSemaphore : public DSSemaphore { public: /**** Instance method protoypes. ****/ // ctor and dtor. DSMutexSemaphore ( bool owned = false ); virtual ~DSMutexSemaphore ( void ); // Superclass overrides. virtual void Signal ( void ); virtual sInt32 Wait ( sInt32 milliSecs = kForever ); protected: /**** Instance variables. ****/ pthread_t mOwner; }; #endif /* _DSMutexSemaphore_H_ */