86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
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/* This file is part of Mapnik (c++ mapping toolkit)
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* Copyright (C) 2005 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//$Id: memory.hpp 39 2005-04-10 20:39:53Z pavlenko $
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#ifndef MEMORY_HPP
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#define MEMORY_HPP
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#include <iostream>
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#include <cassert>
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namespace mapnik
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{
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class MemoryUtils
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{
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public:
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static size_t alignPointerSize(size_t ptrSize);
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private:
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MemoryUtils();
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MemoryUtils(const MemoryUtils&);
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MemoryUtils& operator=(const MemoryUtils&);
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};
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class MemoryManager
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{
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public:
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virtual void* allocate(size_t size)=0;
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virtual void deallocate(void* p)=0;
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virtual ~MemoryManager();
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protected:
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MemoryManager(); // {}
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private:
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MemoryManager(const MemoryManager&);
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MemoryManager& operator=(const MemoryManager&);
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};
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class Object
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{
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public:
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void* operator new(size_t size);
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void* operator new(size_t size, MemoryManager* manager);
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void operator delete(void* p);
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void operator delete(void* p, MemoryManager* manager);
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protected:
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virtual ~Object() {}
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Object() {}
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Object(const Object&) {}
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protected:
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Object& operator=(const Object&)
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{
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return *this;
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}
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};
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template <typename Geometry>
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class geometry_pool
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{
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public:
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void* allocate()
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{
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return ::operator new(sizeof(Geometry));
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}
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void deallocate(void* p)
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{
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::operator delete(p);
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}
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};
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}
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#endif //MEMORY_HPP
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