1/* 2 * Copyright (C) 2014 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef MediumTraits_h 27#define MediumTraits_h 28 29#include "Sizes.h" 30#include "VMAllocate.h" 31 32namespace bmalloc { 33 34template<class Traits> class Chunk; 35template<class Traits> class Line; 36template<class Traits> class Page; 37 38struct MediumTraits { 39 typedef Chunk<MediumTraits> Chunk; 40 typedef Line<MediumTraits> Line; 41 typedef Page<MediumTraits> Page; 42 43 static const size_t lineSize = mediumLineSize; 44 static const size_t minimumObjectSize = smallMax + alignment; 45 static const size_t chunkSize = mediumChunkSize; 46 static const size_t chunkOffset = mediumChunkOffset; 47 static const uintptr_t chunkMask = mediumChunkMask; 48}; 49 50} // namespace bmalloc 51 52#endif // MediumTraits_h 53