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73 lines
2.5 KiB
73 lines
2.5 KiB
/*
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* Copyright (C) 2002 Apple Computer, Inc.
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* Copyright (C) 2003 Dirk Mueller (mueller@kde.org)
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*
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* Portions are Copyright (C) 1998 Netscape Communications Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Alternatively, the contents of this file may be used under the terms
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* of either the Mozilla Public License Version 1.1, found at
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* http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
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* License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
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* (the "GPL"), in which case the provisions of the MPL or the GPL are
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* applicable instead of those above. If you wish to allow use of your
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* version of this file only under the terms of one of those two
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* licenses (the MPL or the GPL) and not to allow others to use your
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* version of this file under the LGPL, indicate your decision by
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* deletingthe provisions above and replace them with the notice and
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* other provisions required by the MPL or the GPL, as the case may be.
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* If you do not delete the provisions above, a recipient may use your
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* version of this file under any of the LGPL, the MPL or the GPL.
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*/
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#ifndef RENDERARENA_H
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#define RENDERARENA_H
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#include "misc/arena.h"
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#include "misc/shared.h"
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#include <stdlib.h>
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namespace tdehtml {
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#define TDEHTML_MAX_RECYCLED_SIZE 400
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#define TDEHTML_ROUNDUP(x,y) ((((x)+((y)-1))/(y))*(y))
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class RenderArena: public Shared<RenderArena> {
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public:
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RenderArena(unsigned int arenaSize = 4096);
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~RenderArena();
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// Memory management functions
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void* allocate(size_t size);
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void free(size_t size, void* ptr);
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private:
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// Underlying arena pool
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ArenaPool m_pool;
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// The recycler array is sparse with the indices being multiples of 4,
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// i.e., 0, 4, 8, 12, 16, 20, ...
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void* m_recyclers[TDEHTML_MAX_RECYCLED_SIZE >> 2];
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};
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} // namespace
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#endif
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