JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / heap / CopiedSpace.h

diff --git a/heap/CopiedSpace.h b/heap/CopiedSpace.h
index c0a59a27e054246e70c72d508addd1333f4e8e4c..db1be188f00af4d315e742e373a32dcbc453134e 100644 (file)
--- a/heap/CopiedSpace.h
+++ b/heap/CopiedSpace.h
@@ -27,7 +27,6 @@
 #define CopiedSpace_h
 
 #include "CopiedAllocator.h"
-#include "HeapBlock.h"
 #include "HeapOperation.h"
 #include "TinyBloomFilter.h"
 #include <wtf/Assertions.h>
@@ -35,10 +34,9 @@
 #include <wtf/DoublyLinkedList.h>
 #include <wtf/HashSet.h>
 #include <wtf/OSAllocator.h>
-#include <wtf/PageAllocationAligned.h>
 #include <wtf/PageBlock.h>
+#include <wtf/SpinLock.h>
 #include <wtf/StdLibExtras.h>
-#include <wtf/TCSpinLock.h>
 #include <wtf/ThreadingPrimitives.h>
 
 namespace JSC {
@@ -87,6 +85,13 @@ public:
     static CopiedBlock* blockFor(void*);
 
     Heap* heap() const { return m_heap; }
+    
+    size_t takeBytesRemovedFromOldSpaceDueToReallocation()
+    {
+        size_t result = 0;
+        std::swap(m_bytesRemovedFromOldSpaceDueToReallocation, result);
+        return result;
+    }
 
 private:
     static bool isOversize(size_t);
@@ -136,6 +141,8 @@ private:
     Mutex m_loanedBlocksLock; 
     ThreadCondition m_loanedBlocksCondition;
     size_t m_numberOfLoanedBlocks;
+    
+    size_t m_bytesRemovedFromOldSpaceDueToReallocation;
 
     static const size_t s_maxAllocationSize = CopiedBlock::blockSize / 2;
     static const size_t s_initialBlockNum = 16;