88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2006 Artem Pavlenko
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*****************************************************************************/
|
|
//$Id: memory.hpp 39 2005-04-10 20:39:53Z pavlenko $
|
|
|
|
#ifndef MEMORY_HPP
|
|
#define MEMORY_HPP
|
|
|
|
#include <iostream>
|
|
#include <cassert>
|
|
|
|
namespace mapnik
|
|
{
|
|
class MemoryUtils
|
|
{
|
|
public:
|
|
static size_t alignPointerSize(size_t ptrSize);
|
|
private:
|
|
MemoryUtils();
|
|
MemoryUtils(const MemoryUtils&);
|
|
MemoryUtils& operator=(const MemoryUtils&);
|
|
};
|
|
|
|
class MemoryManager
|
|
{
|
|
public:
|
|
virtual void* allocate(size_t size)=0;
|
|
virtual void deallocate(void* p)=0;
|
|
virtual ~MemoryManager();
|
|
protected:
|
|
MemoryManager(); // {}
|
|
private:
|
|
MemoryManager(const MemoryManager&);
|
|
MemoryManager& operator=(const MemoryManager&);
|
|
};
|
|
|
|
class Object
|
|
{
|
|
public:
|
|
void* operator new(size_t size);
|
|
void* operator new(size_t size, MemoryManager* manager);
|
|
void operator delete(void* p);
|
|
void operator delete(void* p, MemoryManager* manager);
|
|
protected:
|
|
virtual ~Object() {}
|
|
Object() {}
|
|
Object(const Object&) {}
|
|
protected:
|
|
Object& operator=(const Object&)
|
|
{
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
template <typename Geometry>
|
|
class geometry_pool
|
|
{
|
|
public:
|
|
void* allocate()
|
|
{
|
|
return ::operator new(sizeof(Geometry));
|
|
}
|
|
void deallocate(void* p)
|
|
{
|
|
::operator delete(p);
|
|
}
|
|
};
|
|
|
|
}
|
|
#endif //MEMORY_HPP
|