diff -r 000000000000 -r 7f656887cf89 libraries/memoryaccess/DynamicDfcSupport.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libraries/memoryaccess/DynamicDfcSupport.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,92 @@
+// DynamicDfcSupport.cpp
+// 
+// Copyright (c) 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "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:
+// Accenture - Initial contribution
+//
+#include "DynamicDfcSupport.h"
+
+#ifdef FSHELL_DYNAMICDFC_SUPPORT
+
+TInt TDynDfcQueWrapper::Create(TDynDfcQueWrapper*& aDfcQ, TInt aPriority, const TDesC& aBaseName)
+	{
+	TDynDfcQueWrapper* wrapper = new TDynDfcQueWrapper;
+	if (!wrapper) return KErrNoMemory;
+	TInt err = Kern::DynamicDfcQCreate(wrapper->iQueue, aPriority, aBaseName);
+	if (err)
+		{
+		delete wrapper;
+		}
+	else
+		{
+		aDfcQ = wrapper;
+		}
+	return err;
+	}
+
+void TDynDfcQueWrapper::Destroy()
+	{
+	delete this;
+	}
+
+TDynDfcQueWrapper::TDynDfcQueWrapper()
+	: iQueue(NULL)
+	{}
+
+TDynDfcQueWrapper::~TDynDfcQueWrapper()
+	{
+	iQueue->Destroy();
+	}
+
+#else
+
+TDynDfcQueWrapper::TDynDfcQueWrapper()
+	: iQueue(NULL), iKillDfc(ExitDfcThread, this, 7)
+	{}
+
+TInt TDynDfcQueWrapper::Create(TDynDfcQueWrapper*& aDfcQ, TInt aPriority, const TDesC& aBaseName)
+	{
+	TDynDfcQueWrapper* wrapper = new TDynDfcQueWrapper;
+	TInt nonce = 0;
+	TInt ret;
+	do
+		{
+		TBuf<64> buf;
+		buf.Copy(aBaseName);
+		buf.Append('-');
+		buf.AppendNum(nonce);
+		nonce++;
+		ret = Kern::DfcQCreate(wrapper->iQueue, aPriority, &buf);
+		} while (ret == KErrAlreadyExists);
+
+	if (ret == KErrNone)
+		{
+		wrapper->iKillDfc.SetDfcQ(wrapper->iQueue);
+		aDfcQ = wrapper;
+		}
+
+	return ret;
+	}
+
+void TDynDfcQueWrapper::Destroy()
+	{
+	iKillDfc.Enque(); 
+	}
+
+TDynDfcQueWrapper::~TDynDfcQueWrapper()
+	{
+	delete iQueue;
+	}
+
+void TDynDfcQueWrapper::ExitDfcThread(TAny* aSelf)
+	{
+	delete (TDynDfcQueWrapper*)aSelf;
+	Kern::Exit(KErrNone);
+	}
+
+#endif