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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (c) 2005, Eric Crahen
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __ZTREADWRITELOCK_H__
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#define __ZTREADWRITELOCK_H__
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#include "zthread/Lockable.h"
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#include "zthread/NonCopyable.h"
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namespace ZThread {
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/**
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* @class ReadWriteLock
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*
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* @author Eric Crahen <http://www.code-foo.com>
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* @date <2003-07-16T10:17:31-0400>
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* @version 2.2.7
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*
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* A ReadWriteLock provides a set of coordinated Lockable objects that can be used to
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* guard an object; One for read-only access, and another for read-write access.
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*
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* @see BiasedReadWriteLock
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* @see FairReadWriteLock
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*/
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class ReadWriteLock : public NonCopyable {
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public:
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/**
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* Create a ReadWriteLock
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*
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* @exception Initialization_Exception thrown if resources could not be
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* allocated for this object.
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*/
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ReadWriteLock() {}
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//! Destroy this ReadWriteLock
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virtual ~ReadWriteLock() {}
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/**
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* Get a reference to the read-only Lockable.
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*
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* @return <em>Lockable&</em> reference to a Lockable that provides read-only
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* access.
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*/
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virtual Lockable& getReadLock() = 0;
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/**
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* Get a reference to the read-write Lockable.
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*
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* @return <em>Lockable&</em> reference to a Lockable that provides read-write
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* access.
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*/
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virtual Lockable& getWriteLock() = 0;
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}; /* ReadWriteLock */
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}; // __ZTREADWRITELOCK_H__
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#endif
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