69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
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/*
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* Copyright (c) <2002-2009> <Jean-Philippe Barrette-LaPierre>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (curlpp), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all 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
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SINGLETON_HOLDER_HPP
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#define SINGLETON_HOLDER_HPP
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#include <cassert>
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#include "CreationUsingNew.hpp"
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#include "LifetimeDefault.hpp"
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#include "LifetimeWithLongevity.hpp"
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#include "../ThreadingSingle.hpp"
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namespace utilspp
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{
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template
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<class T,
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template <class> class CreationPolicy = utilspp::CreationUsingNew,
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template <class> class LifetimePolicy = utilspp::LifetimeDefault,
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template <class> class ThreadingModel = utilspp::ThreadingSingle>
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class SingletonHolder
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{
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public:
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//the accessor method.
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static T & instance();
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static void makeInstance();
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static void terminate();
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protected:
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//protected to be sure that nobody may create one by himself.
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SingletonHolder();
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private:
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static void destroySingleton();
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private:
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typedef typename ThreadingModel<T *>::VolatileType InstanceType;
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static InstanceType mInstance;
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static bool mDestroyed;
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};
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}
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//#ifdef CURLPP_INCLUDE_TEMPLATE_DEFINITIONS
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#include "SingletonHolder.inl"
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//#endif
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#endif
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