62 lines
2 KiB
C++
62 lines
2 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2014 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
|
|
*
|
|
*****************************************************************************/
|
|
|
|
// mapnik
|
|
#include <mapnik/debug.hpp>
|
|
#include <mapnik/memory.hpp>
|
|
|
|
#include <cassert>
|
|
|
|
namespace mapnik
|
|
{
|
|
void* Object::operator new(size_t size)
|
|
{
|
|
void* block=::operator new (size);
|
|
return (char*) block;
|
|
}
|
|
|
|
void* Object::operator new(size_t size,MemoryManager* manager)
|
|
{
|
|
assert(manager);
|
|
size_t headerSize=MemoryUtils::alignPointerSize(sizeof(MemoryManager*));
|
|
void* const block=manager->allocate(headerSize+size);
|
|
*(MemoryManager**)block=manager;
|
|
return (char*)block+headerSize;
|
|
}
|
|
|
|
void Object::operator delete(void* p)
|
|
{
|
|
::operator delete(p);
|
|
}
|
|
|
|
void Object::operator delete(void* , MemoryManager* )
|
|
{
|
|
//MAPNIK_LOG_DEBUG(memory) << "operator delete with Manager " << std::hex << p << " " << manager;
|
|
}
|
|
|
|
inline size_t MemoryUtils::alignPointerSize(size_t ptrSize)
|
|
{
|
|
size_t alignment=(sizeof(void*) >= sizeof(double)) ? sizeof(void*) : sizeof(double);
|
|
size_t current=ptrSize % alignment;
|
|
return (current==0)?ptrSize:(ptrSize+alignment-current);
|
|
}
|
|
}
|