/* * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /*! * @header DSEventSemaphore * Interface for the DSEventSemaphore (gating lock) class. */ #ifndef _DSEventSemaphore_H_ #define _DSEventSemaphore_H_ #include "DSSemaphore.h" // -------------------------------------------------------------------------------- // DSEventSemaphore class definition // // -------------------------------------------------------------------------------- class DSEventSemaphore : public DSSemaphore { public: /**** Instance methods. ****/ // ctor and dtor. DSEventSemaphore ( bool posted = false ) ; virtual ~DSEventSemaphore ( void ) ; // Superclass overrides. virtual void Signal ( void ) ; virtual sInt32 Wait ( sInt32 milliSecs = kForever ) ; virtual uInt32 Reset ( void ) ; }; #endif /* _DSEventSemaphore_H_ */