webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 0 insertions, 147 deletions

diff --git a/Source/JavaScriptCore/heap/CopiedSpace.h b/Source/JavaScriptCore/heap/CopiedSpace.h
deleted file mode 100644
index c0a59a27e..000000000
--- a/Source/JavaScriptCore/heap/CopiedSpace.h
+++ /dev/null
@@ -1,147 +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 CopiedSpace_h
-#define CopiedSpace_h
-
-#include "CopiedAllocator.h"
-#include "HeapBlock.h"
-#include "HeapOperation.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/PageBlock.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/TCSpinLock.h>
-#include <wtf/ThreadingPrimitives.h>
-
-namespace JSC {
-
-class Heap;
-class CopiedBlock;
-
-class CopiedSpace {
-    friend class CopyVisitor;
-    friend class GCThreadSharedData;
-    friend class SlotVisitor;
-    friend class JIT;
-public:
-    CopiedSpace(Heap*);
-    ~CopiedSpace();
-    void init();
-
-    CheckedBoolean tryAllocate(size_t, void**);
-    CheckedBoolean tryReallocate(void**, size_t, size_t);
-    
-    CopiedAllocator& allocator() { return m_allocator; }
-
-    void didStartFullCollection();
-
-    template <HeapOperation collectionType>
-    void startedCopying();
-    void startedEdenCopy();
-    void startedFullCopy();
-    void doneCopying();
-    bool isInCopyPhase() { return m_inCopyingPhase; }
-
-    void pin(CopiedBlock*);
-    bool isPinned(void*);
-
-    bool contains(CopiedBlock*);
-    bool contains(void*, CopiedBlock*&);
-    
-    void pinIfNecessary(void* pointer);
-
-    size_t size();
-    size_t capacity();
-
-    bool isPagedOut(double deadline);
-    bool shouldDoCopyPhase() { return m_shouldDoCopyPhase; }
-
-    static CopiedBlock* blockFor(void*);
-
-    Heap* heap() const { return m_heap; }
-
-private:
-    static bool isOversize(size_t);
-
-    JS_EXPORT_PRIVATE CheckedBoolean tryAllocateSlowCase(size_t, void**);
-    CheckedBoolean tryAllocateOversize(size_t, void**);
-    CheckedBoolean tryReallocateOversize(void**, size_t, size_t);
-    
-    void allocateBlock();
-    CopiedBlock* allocateBlockForCopyingPhase();
-
-    void doneFillingBlock(CopiedBlock*, CopiedBlock**);
-    void recycleEvacuatedBlock(CopiedBlock*, HeapOperation collectionType);
-    void recycleBorrowedBlock(CopiedBlock*);
-
-    Heap* m_heap;
-
-    CopiedAllocator m_allocator;
-
-    HashSet<CopiedBlock*> m_blockSet;
-
-    SpinLock m_toSpaceLock;
-
-    struct CopiedGeneration {
-        CopiedGeneration()
-            : toSpace(0)
-            , fromSpace(0)
-        {
-        }
-
-        DoublyLinkedList<CopiedBlock>* toSpace;
-        DoublyLinkedList<CopiedBlock>* fromSpace;
-        
-        DoublyLinkedList<CopiedBlock> blocks1;
-        DoublyLinkedList<CopiedBlock> blocks2;
-        DoublyLinkedList<CopiedBlock> oversizeBlocks;
-
-        TinyBloomFilter blockFilter;
-    };
-
-    CopiedGeneration m_oldGen;
-    CopiedGeneration m_newGen;
-   
-    bool m_inCopyingPhase;
-    bool m_shouldDoCopyPhase;
-
-    Mutex m_loanedBlocksLock; 
-    ThreadCondition m_loanedBlocksCondition;
-    size_t m_numberOfLoanedBlocks;
-
-    static const size_t s_maxAllocationSize = CopiedBlock::blockSize / 2;
-    static const size_t s_initialBlockNum = 16;
-    static const size_t s_blockMask = ~(CopiedBlock::blockSize - 1);
-};
-
-} // namespace JSC
-
-#endif