--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/dll/d_wsdextension.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,142 @@
+// Copyright (c) 2007-2009 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:
+// e32test\earlyextension\d_testearlyextension.cpp
+// 
+//
+
+#include <kernel/kernel.h>
+#include "d_wsdextension.h"
+
+_LIT(KWsdExtName, "D_WSDEXTENSION.LDD");
+
+/** Factory class */
+class DWsdExtLddFactory : public DLogicalDevice
+	{
+public:
+	DWsdExtLddFactory();
+	virtual TInt Install();
+	virtual void GetCaps(TDes8 &aDes) const;
+	virtual TInt Create(DLogicalChannelBase*& aChannel);
+	static TInt iData;
+	};
+
+/** Logical channel */
+class DWsdExtension : public DLogicalChannelBase
+	{
+public:
+	DWsdExtension();
+	~DWsdExtension();
+protected:
+	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+	virtual TInt Request(TInt aReqNo, TAny* a1, TAny* a2);
+	virtual TInt RequestUserHandle(DThread* aThread, TOwnerType aType);
+private:
+	DThread* iClient;
+	};
+
+TInt DWsdExtLddFactory::iData = 0xEFEFEFEF;
+
+/** Factory class */
+DWsdExtLddFactory::DWsdExtLddFactory()
+	{
+    iParseMask=0;
+    iUnitsMask=0;
+	}
+
+/** Entry point for this driver */
+//DECLARE_EXTENSION_WITH_PRIORITY(LATE_EXTENSION_PRIORITY)
+DECLARE_STANDARD_EXTENSION()
+	{
+	Kern::Printf("D_WSDEXTENSION.LDD Start");
+	DWsdExtLddFactory* device = new DWsdExtLddFactory;
+	if(!device)
+		return KErrNoMemory;
+	TInt r = Kern::InstallLogicalDevice(device);
+	return r;
+	}
+
+DECLARE_EXTENSION_LDD()
+	{
+	Kern::Printf("D_WSDEXTENSION.LDD Start 2");
+	return new DWsdExtLddFactory;
+	}
+/** Second stage constuctor */
+TInt DWsdExtLddFactory::Install()
+	{
+	Kern::Printf("D_WSDEXTENSION.LDD Install");
+    return(SetName(&KWsdExtName));
+	}
+
+/** Device capabilities */
+void DWsdExtLddFactory::GetCaps(TDes8& aDes)const
+	{
+		aDes.FillZ();
+	}
+
+/** Create logical channel, only open of one channel is allowed at a time */
+TInt DWsdExtLddFactory::Create(DLogicalChannelBase*& aChannel)
+	{
+    if (iOpenChannels != 0) //A Channel is already open
+		return KErrInUse;
+    aChannel = new DWsdExtension;
+    if(!aChannel)
+		return KErrNoMemory;
+    return KErrNone;
+	}
+
+/** Create channel */
+TInt DWsdExtension::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
+	{
+	return KErrNone;
+	}
+
+/** Constructor of Logical channel */
+DWsdExtension::DWsdExtension()
+	{
+	iClient = &Kern::CurrentThread();
+	((DObject*)iClient)->Open();
+	}
+
+/** Destructor */
+DWsdExtension::~DWsdExtension()
+	{
+	// Close our reference on the client thread
+	Kern::SafeClose((DObject*&)iClient,NULL);
+	}
+
+/** Handle user side requests */
+TInt DWsdExtension::Request(TInt aReqNo, TAny* a1, TAny*)
+	{
+	switch(aReqNo)
+		{
+		case (RLddWsdExtension::EGET_STATIC_DATA):
+			{ 
+				TInt i=0;
+				i=DWsdExtLddFactory::iData;
+				kumemput(a1, &DWsdExtLddFactory::iData, sizeof(TInt));
+				return KErrNone;
+			}
+		}
+	return KErrNotSupported;
+	}
+
+/** Restricting handle duplication */
+TInt DWsdExtension::RequestUserHandle(DThread* aThread, TOwnerType aType)
+	{
+	if (aType!=EOwnerThread || aThread!=iClient)
+		return KErrAccessDenied;
+	return KErrNone;
+	}
+
+