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78 lines
2 KiB
C++
78 lines
2 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 __ZTRECURSIVEMUTEXIMPL_H__
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#define __ZTRECURSIVEMUTEXIMPL_H__
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#include "zthread/Exceptions.h"
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#include "FastLock.h"
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#include <vector>
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namespace ZThread {
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class Monitor;
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/**
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* @class RecursiveMutexImpl
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* @author Eric Crahen <http://www.code-foo.com>
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* @date <2003-07-16T19:58:26-0400>
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* @version 2.1.6
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*
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* This synchronization object provides serialized access
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* through an acquire/release protocol.
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*/
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class ZTHREAD_API RecursiveMutexImpl {
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typedef std::vector<Monitor*> List;
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//! List of Events that are waiting for notification
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List _waiters;
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//! Serialize access to this Mutex
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FastLock _lock;
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//! Current owning Event object
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Monitor* _owner;
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//! Entry count
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size_t _count;
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public:
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RecursiveMutexImpl();
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virtual ~RecursiveMutexImpl();
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void acquire();
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bool tryAcquire(unsigned long);
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void release();
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}; /* RecursiveMutexImpl */
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};
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#endif
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