60 lines
1.9 KiB
C++
60 lines
1.9 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.cpp 17 2005-03-08 23:58:43Z pavlenko $
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#include "memory.hpp"
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//#define GC_THREADS
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//#include "gc.h"
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namespace mapnik
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{
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void* Object::operator new(size_t size)
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{
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void* block=::operator new (size);
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return (char*) block;
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}
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void* Object::operator new(size_t size,MemoryManager* manager)
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{
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assert(manager);
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size_t headerSize=MemoryUtils::alignPointerSize(sizeof(MemoryManager*));
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void* const block=manager->allocate(headerSize+size);
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*(MemoryManager**)block=manager;
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return (char*)block+headerSize;
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}
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void Object::operator delete(void* p)
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{
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::operator delete(p);
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}
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void Object::operator delete(void* p, MemoryManager* manager)
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{
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std::cout <<"operator delete with Manager "<<std::hex<<p<<" "<<manager<<std::endl;
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}
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inline size_t MemoryUtils::alignPointerSize(size_t ptrSize)
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{
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size_t alignment=(sizeof(void*) >= sizeof(double)) ? sizeof(void*) : sizeof(double);
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size_t current=ptrSize % alignment;
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return (current==0)?ptrSize:(ptrSize+alignment-current);
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}
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}
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