Imported WebKit commit bb52bf3c0119e8a128cd93afe5572413a8617de9 (http://svn.webkit.org/repository/webkit/trunk@108790)

1 files changed, 0 insertions, 125 deletions

diff --git a/Source/JavaScriptCore/heap/BumpSpace.h b/Source/JavaScriptCore/heap/BumpSpace.h
deleted file mode 100644
index 30e6b74fe..000000000
--- a/Source/JavaScriptCore/heap/BumpSpace.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2011 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#ifndef BumpSpace_h
-#define BumpSpace_h
-
-#include "HeapBlock.h"
-#include "TinyBloomFilter.h"
-#include <wtf/Assertions.h>
-#include <wtf/CheckedBoolean.h>
-#include <wtf/DoublyLinkedList.h>
-#include <wtf/HashSet.h>
-#include <wtf/OSAllocator.h>
-#include <wtf/PageAllocationAligned.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/ThreadingPrimitives.h>
-
-namespace JSC {
-
-class Heap;
-class BumpBlock;
-class HeapBlock;
-
-class BumpSpace {
-    friend class SlotVisitor;
-public:
-    BumpSpace(Heap*);
-    void init();
-
-    CheckedBoolean tryAllocate(size_t, void**);
-    CheckedBoolean tryReallocate(void**, size_t, size_t);
-    
-    void startedCopying();
-    void doneCopying();
-    bool isInCopyPhase() { return m_inCopyingPhase; }
-
-    void pin(BumpBlock*);
-    bool isPinned(void*);
-
-    bool contains(void*, BumpBlock*&);
-
-    size_t totalMemoryAllocated() { return m_totalMemoryAllocated; }
-    size_t totalMemoryUtilized() { return m_totalMemoryUtilized; }
-
-    static BumpBlock* blockFor(void*);
-
-private:
-    CheckedBoolean tryAllocateSlowCase(size_t, void**);
-    CheckedBoolean addNewBlock();
-    CheckedBoolean allocateNewBlock(BumpBlock**);
-    bool fitsInCurrentBlock(size_t);
-    
-    static void* allocateFromBlock(BumpBlock*, size_t);
-    CheckedBoolean tryAllocateOversize(size_t, void**);
-    CheckedBoolean tryReallocateOversize(void**, size_t, size_t);
-    
-    static bool isOversize(size_t);
-    
-    CheckedBoolean borrowBlock(BumpBlock**);
-    CheckedBoolean getFreshBlock(AllocationEffort, BumpBlock**);
-    void doneFillingBlock(BumpBlock*);
-    void recycleBlock(BumpBlock*);
-    static bool fitsInBlock(BumpBlock*, size_t);
-    static BumpBlock* oversizeBlockFor(void* ptr);
-
-    Heap* m_heap;
-
-    BumpBlock* m_currentBlock;
-
-    TinyBloomFilter m_toSpaceFilter;
-    TinyBloomFilter m_oversizeFilter;
-    HashSet<BumpBlock*> m_toSpaceSet;
-
-    Mutex m_toSpaceLock;
-    Mutex m_memoryStatsLock;
-
-    DoublyLinkedList<HeapBlock>* m_toSpace;
-    DoublyLinkedList<HeapBlock>* m_fromSpace;
-    
-    DoublyLinkedList<HeapBlock> m_blocks1;
-    DoublyLinkedList<HeapBlock> m_blocks2;
-    DoublyLinkedList<HeapBlock> m_oversizeBlocks;
-   
-    size_t m_totalMemoryAllocated;
-    size_t m_totalMemoryUtilized;
-
-    bool m_inCopyingPhase;
-
-    Mutex m_loanedBlocksLock; 
-    ThreadCondition m_loanedBlocksCondition;
-    size_t m_numberOfLoanedBlocks;
-
-    static const size_t s_blockSize = 64 * KB;
-    static const size_t s_maxAllocationSize = 32 * KB;
-    static const size_t s_pageSize = 4 * KB;
-    static const size_t s_pageMask = ~(s_pageSize - 1);
-    static const size_t s_initialBlockNum = 16;
-    static const size_t s_blockMask = ~(s_blockSize - 1);
-};
-
-} // namespace JSC
-
-#endif