91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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namespace priv
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{
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// Base class for abstract thread functions
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struct ThreadFunc
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{
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virtual ~ThreadFunc() {}
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virtual void run() = 0;
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};
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// Specialization using a functor (including free functions) with no argument
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template <typename T>
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struct ThreadFunctor : ThreadFunc
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{
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ThreadFunctor(T functor) : m_functor(functor) {}
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virtual void run() {m_functor();}
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T m_functor;
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};
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// Specialization using a functor (including free functions) with one argument
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template <typename F, typename A>
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struct ThreadFunctorWithArg : ThreadFunc
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{
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ThreadFunctorWithArg(F function, A arg) : m_function(function), m_arg(arg) {}
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virtual void run() {m_function(m_arg);}
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F m_function;
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A m_arg;
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};
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// Specialization using a member function
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template <typename C>
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struct ThreadMemberFunc : ThreadFunc
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{
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ThreadMemberFunc(void(C::*function)(), C* object) : m_function(function), m_object(object) {}
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virtual void run() {(m_object->*m_function)();}
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void(C::*m_function)();
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C* m_object;
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};
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} // namespace priv
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////////////////////////////////////////////////////////////
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template <typename F>
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Thread::Thread(F functor) :
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m_impl (NULL),
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m_entryPoint(new priv::ThreadFunctor<F>(functor))
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{
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}
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////////////////////////////////////////////////////////////
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template <typename F, typename A>
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Thread::Thread(F function, A argument) :
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m_impl (NULL),
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m_entryPoint(new priv::ThreadFunctorWithArg<F, A>(function, argument))
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{
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}
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////////////////////////////////////////////////////////////
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template <typename C>
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Thread::Thread(void(C::*function)(), C* object) :
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m_impl (NULL),
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m_entryPoint(new priv::ThreadMemberFunc<C>(function, object))
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{
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}
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