kerneltest/e32test/rm_debug/d_rmdebugserver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Dec 2009 11:43:31 +0000
changeset 4 56f325a607ea
parent 0 a41df078684a
permissions -rw-r--r--
Revision: 200951 Kit: 200951
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Provides the debug agent server implementation.
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// 
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//
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#include <e32base.h>
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#include <e32base_private.h>
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#include <e32cons.h>
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#include <trkkerneldriver.h>
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#include "d_rmdebugserver.h"
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#include "d_rmdebugclient.h"
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#include "t_rmdebug.h"
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CDebugServServer::CDebugServServer(CActive::TPriority aActiveObjectPriority)
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   : CServer2(aActiveObjectPriority)
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//
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// Server constructor
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//
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	{
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	}
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CSession2* CDebugServServer::NewSessionL(const TVersion& /*aVersion*/, const RMessage2& /*aMessage*/) const
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//
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// Session constructor
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//
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	{
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	// make sure the kernel side device driver is not already loaded
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   TInt err;
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	err = User::LoadLogicalDevice(KDebugDriverFileName);
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	if ((KErrNone == err) || (KErrAlreadyExists == err))
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       {
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       return new(ELeave) CDebugServSession();
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       }
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   else
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       {
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       return (NULL);
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       }
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	}   
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CDebugServSession::CDebugServSession()
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// Session implementation
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	{
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   TInt err;
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	TMetroTrkDriverInfo info;
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   info.iUserLibraryEnd = 0;
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   err = iKernelDriver.Open(info);
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   if (KErrNone != err)
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		{
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 		User::Leave(err);
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		}          
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	}
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CDebugServSession::~CDebugServSession()
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//
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// Session destructor
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//
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	{
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	// stop the kernel side driver
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	iKernelDriver.Close();
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	User::FreeLogicalDevice(KDebugDriverName);
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	}
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void CDebugServSession::ServiceL(const RMessage2& aMessage)
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//
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// Session service handler
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//
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	{
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	TInt res = KErrNone;
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	switch(aMessage.Function())
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		{
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		case EDebugServResumeThread:
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			res = ResumeThread(aMessage);
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			break;
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		case EDebugServSuspendThread:
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			res = SuspendThread(aMessage);
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			break;          
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//		case EDebugServReadProcessInfo:
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//			res = ReadProcessInfo(aMessage);
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//			break;        
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//
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//		case EDebugServReadThreadInfo:
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//			res = ReadThreadInfo(aMessage);
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//			break;
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		case EDebugServReadMemory:
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			res = ReadMemory(aMessage);
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			break;        
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		case EDebugServWriteMemory:
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			res = WriteMemory(aMessage);
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			break;        
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		default:
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			User::Leave(KErrNotSupported);
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			break;
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		}
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	aMessage.Complete(res);
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	}
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TInt CDebugServSession::SuspendThread(const RMessage2& aMessage)
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//
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// Session suspend thread
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//
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	{
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	TInt err;
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	err = iKernelDriver.SuspendThread(aMessage.Int0());
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	return err;
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	}
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TInt CDebugServSession::ResumeThread(const RMessage2& aMessage)
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//
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// Server resume thread
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//
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	{
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	TInt err;
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	err = iKernelDriver.ResumeThread(aMessage.Int0());
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	return err;
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	}
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//TInt CDebugServSession::ReadProcessInfo(const RMessage2& aMessage)
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////
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//// Server read process information
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////
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//	{
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//	TInt err;
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//	TProcessInfo procinfo;
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//	TMetroTrkTaskInfo processInfo(0);
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//
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//	err = iKernelDriver.GetProcessInfo(aMessage.Int0(), processInfo);
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//
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//	if (KErrNone == err)
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//		{
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//		procinfo.iProcessID = processInfo.iId;
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//		procinfo.iPriority = processInfo.iPriority;
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//		procinfo.iName.Copy(processInfo.iName);
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//
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//		TPckgBuf<TProcessInfo> p(procinfo);
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//		aMessage.WriteL(1,p);        
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//		}
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//
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//	return err;
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//	}
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//
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//TInt CDebugServSession::ReadThreadInfo(const RMessage2& aMessage)
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////
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//// Server read thread information
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////
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//	{
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//	TInt err;
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//	TThreadInfo thrdinfo;
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//	TMetroTrkTaskInfo threadInfo(aMessage.Int1()); // Sets OtherID to the second input parameter in aMessage
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//
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//	// aMessage.Int0 is the index into the thread list for the process
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//	err = iKernelDriver.GetThreadInfo(aMessage.Int0(), threadInfo);	   
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//
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//	if (KErrNone == err)
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//		{
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//		thrdinfo.iThreadID = threadInfo.iId;
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//		thrdinfo.iPriority = threadInfo.iPriority;
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//		thrdinfo.iName.Copy(threadInfo.iName);
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//		thrdinfo.iOwningProcessID = threadInfo.iOtherId;
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//
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//		TPckgBuf<TThreadInfo> p(thrdinfo);
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//
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//		// Write out the results to the third argument passed in (pointer to the threadinfo structure)
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//		aMessage.WriteL(2,p);           
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//		}
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//
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//	return err;
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//	}
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TInt CDebugServSession::ReadMemory(const RMessage2& aMessage)
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//
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// Server read process memory
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//
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	{   
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	TInt err;
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	TUint32 threadId = aMessage.Int0();
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	TPckgBuf<TMemoryInfo> pckg = *(TPckgBuf<TMemoryInfo> *)(aMessage.Ptr1());
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	TMemoryInfo* InputMemoryInfo = &pckg();
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	TPtr8 *ptrtst = InputMemoryInfo->iDataPtr;
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	err = iKernelDriver.ReadMemory(threadId, InputMemoryInfo->iAddress, InputMemoryInfo->iSize, *ptrtst);
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	return err;
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	}
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TInt CDebugServSession::WriteMemory(const RMessage2& aMessage)
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//
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// Server write process memory
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//
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	{
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	TInt err;
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	TUint32 threadId = aMessage.Int0();
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	TPckgBuf<TMemoryInfo> pckg = *(TPckgBuf<TMemoryInfo> *)(aMessage.Ptr1());
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	TMemoryInfo* InputMemoryInfo = &pckg();
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	TPtr8 *ptrtst = InputMemoryInfo->iDataPtr;
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	err = iKernelDriver.WriteMemory(threadId, InputMemoryInfo->iAddress, InputMemoryInfo->iSize, *ptrtst);
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	return err;
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	}
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GLDEF_C TInt CDebugServServer::ThreadFunction(TAny*)
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//
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// Server thread function, continues until active scheduler stops
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//
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	{
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	CTrapCleanup* cleanup=CTrapCleanup::New();
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	if (cleanup == NULL)
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		{
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		User::Leave(KErrNoMemory);
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		}
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	CActiveScheduler *pA=new CActiveScheduler;
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	CDebugServServer *pS=new CDebugServServer(EPriorityStandard);
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	CActiveScheduler::Install(pA);
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	TInt err = pS->Start(KDebugServerName);
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	if (err != KErrNone)
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		{
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		User::Leave(KErrNone);
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		}
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	RThread::Rendezvous(KErrNone);
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	CActiveScheduler::Start();
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	delete pS;
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	delete pA;
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	delete cleanup;
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	return (KErrNone);
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	}
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EXPORT_C TInt StartThread(RThread& aServerThread)
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//
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// Start the server thread
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//
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	{
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	TInt res=KErrNone;
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	TFindServer finddebugserver(KDebugServerName);
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	TFullName name;
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	if (finddebugserver.Next(name) != KErrNone)
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		{
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		res = aServerThread.Create( KDebugServerName,
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									CDebugServServer::ThreadFunction,
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									KDefaultStackSize,
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									KDefaultHeapSize,
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									KDefaultHeapSize,
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									NULL
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									);
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		if (res == KErrNone)
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			{
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			TRequestStatus rendezvousStatus;
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			aServerThread.SetPriority(EPriorityNormal);
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			aServerThread.Rendezvous(rendezvousStatus);
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			aServerThread.Resume();
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			User::WaitForRequest(rendezvousStatus);
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			}                                 
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		else
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			{
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			aServerThread.Close();
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			}
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		}
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	return res;
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	}
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RDebugServSession::RDebugServSession()
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//
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// Server session constructor
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//
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	{
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	}
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TInt RDebugServSession::Open()
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//
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// Session open
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//
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	{
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	TInt r = StartThread(iServerThread);
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	if (r == KErrNone)
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		{
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		r=CreateSession(KDebugServerName, Version(), KDefaultMessageSlots);
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		}
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	return r;
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	}
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TVersion RDebugServSession::Version(void) const
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//
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// Session version
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//
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	{
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	return (TVersion(KDebugServMajorVersionNumber, KDebugServMinorVersionNumber, KDebugServBuildVersionNumber));
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	}
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TInt RDebugServSession::SuspendThread(const TInt aThreadID)
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//
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// Session suspend thread request
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//
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	{
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	TIpcArgs args(aThreadID);
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	TInt res;
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	res = SendReceive(EDebugServSuspendThread, args);
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	return res;
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	}
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   348
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   349
TInt RDebugServSession::ResumeThread(const TInt aThreadID)
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//
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// Session resume thread request
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   352
//
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	{
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   354
	TIpcArgs args(aThreadID);
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   355
	TInt res;
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	res = SendReceive(EDebugServResumeThread, args);
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   357
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	return res;
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	}
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   360
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   361
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   362
//TInt RDebugServSession::ReadProcessInfo(const TInt aIndex, TProcessInfo* aInfo)
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////
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   364
//// Session read process information request
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   365
////
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   366
//	{
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   367
//	TPckgBuf<TProcessInfo> pckg;
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//	pckg = *aInfo;
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//
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   370
//	TIpcArgs args(aIndex, &pckg);
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//
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//	TInt res;
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   373
//
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//	res = SendReceive(EDebugServReadProcessInfo, args);
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//
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//	*aInfo = pckg();
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//
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//	return res;
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//
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//	}
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   381
//
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   382
//TInt RDebugServSession::ReadThreadInfo(const TInt aIndex, const TInt aProc, TThreadInfo* aInfo)
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////
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   384
//// Session read thread information request
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   385
////
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   386
//	{
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   387
//	TPckgBuf<TThreadInfo> pckg;
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   388
//	pckg = *aInfo;
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   389
//
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   390
//	TIpcArgs args(aIndex, aProc, &pckg);
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   391
//
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   392
//	TInt res;
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   393
//
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   394
//	res = SendReceive(EDebugServReadThreadInfo, args);
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   395
//
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   396
//	*aInfo = pckg();
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   397
//
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   398
//	return res;
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   399
//
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//	}
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   401
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diff changeset
   402
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   403
TInt RDebugServSession::ReadMemory(const TUint32 aThreadID, TMemoryInfo* aInfo)
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   404
//
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   405
// Session read thread memory request
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   406
//
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   407
	{
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   408
	TPckgBuf<TMemoryInfo> pckg;
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   409
	pckg = *aInfo;
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diff changeset
   410
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   411
	TIpcArgs args(aThreadID, &pckg);
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diff changeset
   412
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diff changeset
   413
	TInt res;
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diff changeset
   414
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   415
	res = SendReceive(EDebugServReadMemory, args);
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diff changeset
   416
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   417
	*aInfo = pckg();
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diff changeset
   418
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   419
	return res;
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diff changeset
   420
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   421
	}
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diff changeset
   422
a41df078684a Convert Kernelhwsrv package from SFL to EPL
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diff changeset
   423
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   424
TInt RDebugServSession::WriteMemory(const TUint32 aThreadID, TMemoryInfo* aInfo)
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   425
//
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   426
// Session write thread memory request
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   427
//
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diff changeset
   428
	{
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diff changeset
   429
	TPckgBuf<TMemoryInfo> pckg;
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diff changeset
   430
	pckg = *aInfo;
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diff changeset
   431
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diff changeset
   432
	TIpcArgs args(aThreadID, &pckg);
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diff changeset
   433
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diff changeset
   434
	TInt res;
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diff changeset
   435
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   436
	res = SendReceive(EDebugServWriteMemory, args);
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diff changeset
   437
a41df078684a Convert Kernelhwsrv package from SFL to EPL
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   438
	return res;
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diff changeset
   439
	}
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diff changeset
   440
a41df078684a Convert Kernelhwsrv package from SFL to EPL
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diff changeset
   441
a41df078684a Convert Kernelhwsrv package from SFL to EPL
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diff changeset
   442
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   443
TInt RDebugServSession::Close()
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   444
//
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   445
// Session close the session and thread
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diff changeset
   446
//
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   447
	{
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   448
	RSessionBase::Close();
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   449
	iServerThread.Close();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
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diff changeset
   450
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   451
	return KErrNone;
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diff changeset
   452
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
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diff changeset
   453