webengine/osswebengine/MemoryManager/Inc/FastAllocator.h
changeset 0 dd21522fd290
child 8 7c90e6132015
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/MemoryManager/Inc/FastAllocator.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,51 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+
+#ifndef __FASTALLOCATOR_H__
+#define __FASTALLOCATOR_H__
+
+#include <e32base.h>
+#include <e32cmn.h>
+
+class CFastMemoryPool;
+
+class RFastAllocator : public RAllocator
+{
+public:
+	IMPORT_C RFastAllocator(CFastMemoryPool*);
+    IMPORT_C ~RFastAllocator();
+
+	IMPORT_C TAny* Alloc(TInt aSize);
+	IMPORT_C void Free(TAny* aPtr);
+	IMPORT_C TAny* ReAlloc(TAny* aPtr, TInt aSize, TInt aMode=0);
+	IMPORT_C TInt AllocLen(const TAny* aCell) const;
+	IMPORT_C TInt Compress();
+	IMPORT_C void Reset();
+	IMPORT_C TInt AllocSize(TInt& aTotalAllocSize) const;
+	IMPORT_C TInt Available(TInt& aBiggestBlock) const;
+	IMPORT_C TInt DebugFunction(TInt aFunc, TAny* a1=NULL, TAny* a2=NULL);
+	IMPORT_C TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);
+
+private:
+    TBool IsLocatedInHeap( TAny* aPtr ) const;
+
+    RHeap& iHeap;
+    TUint32 iHeapBase;
+    CFastMemoryPool* iPool;
+  };
+
+#endif //!__FASTALLOCATOR_H__