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/*
* Copyright (C) 2002 Apple Computer, Inc.
* Copyright (C) 2003 Dirk Mueller (mueller@kde.org)
*
* Portions are Copyright (C) 1998 Netscape Communications Corporation.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Alternatively, the contents of this file may be used under the terms
* of either the Mozilla Public License Version 1.1, found at
* http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
* License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
* (the "GPL"), in which case the provisions of the MPL or the GPL are
* applicable instead of those above. If you wish to allow use of your
* version of this file only under the terms of one of those two
* licenses (the MPL or the GPL) and not to allow others to use your
* version of this file under the LGPL, indicate your decision by
* deletingthe provisions above and replace them with the notice and
* other provisions required by the MPL or the GPL, as the case may be.
* If you do not delete the provisions above, a recipient may use your
* version of this file under any of the LGPL, the MPL or the GPL.
*/
#ifndef RENDERARENA_H
#define RENDERARENA_H
#include "misc/arena.h"
#include "misc/shared.h"
#include <stdlib.h>
namespace khtml {
#define KHTML_MAX_RECYCLED_SIZE 400
#define KHTML_ROUNDUP(x,y) ((((x)+((y)-1))/(y))*(y))
class RenderArena: public Shared<RenderArena> {
public:
RenderArena(unsigned int arenaSize = 4096);
~RenderArena();
// Memory management functions
void* allocate(size_t size);
void free(size_t size, void* ptr);
private:
// Underlying arena pool
ArenaPool m_pool;
// The recycler array is sparse with the indices being multiples of 4,
// i.e., 0, 4, 8, 12, 16, 20, ...
void* m_recyclers[KHTML_MAX_RECYCLED_SIZE >> 2];
};
} // namespace
#endif
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