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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 "Symbian Foundation License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.symbianfoundation.org/legal/sfl-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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// processlaunch.cpp
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//
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//
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#include <f32file.h>
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#include "cprocesslaunch.h"
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//----------------------------------------------------------------------------
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/** called by the launcher! Launch the process by specified parameters
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find the process and launch it
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@param aParams A reference to TProcessStartParams object
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@return Symbian error code
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@see TProcessStartParams
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@internalTechnology
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@released
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*/
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TInt CProcessLaunch::ProcessLaunch(TProcessStartParams& aParams)
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// now prevents multiple instances of the same image being launched!
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// So P&S servers now look like realCServer2 servers.
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{
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TFullName fullName;
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_LIT(KStar, "*");
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TParse parser;
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parser.SetNoWild(aParams.GetProcessFileName(), NULL, NULL);
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fullName.Append(parser.NameAndExt());
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fullName.Append(KStar);
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TFindProcess processFinder(fullName);
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TInt err = KErrNotFound;
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while (err = processFinder.Next(fullName), err == KErrNone)
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{
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RProcess process;
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TInt processOpenErr = process.Open(processFinder);
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if (processOpenErr == KErrNone)
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{
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TExitType exitType = process.ExitType();
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if (exitType == EExitPending)
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{
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// Found a running instance of the process,
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// so return without starting another instance.
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process.Close();
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return KErrNone;
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}
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}
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process.Close();
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}
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// No running instance found, so start one.
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return (DoProcessLaunch(aParams));
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}
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/** Create the process by specified parameters and wait for the request
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@param aParams A reference to TProcessStartParams object
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@return Symbian error code
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@see TProcessStartParams
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@internalTechnology
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@released
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*/
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TInt CProcessLaunch::DoProcessLaunch(TProcessStartParams& aParams)
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{
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RProcess process;
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TInt r=process.Create(aParams.GetProcessFileName(),aParams.GetAsCommandLine());
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if (r!=KErrNone)
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{
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return r;
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}
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// are we expecing to rendezvous with the process we have created above
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if(aParams.GetRendezvousRequired())
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{
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TRequestStatus stat;
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process.Rendezvous(stat);
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if (stat!=KRequestPending)
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{
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process.Kill(0);
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}
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else
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{
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process.Resume();
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}
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User::WaitForRequest(stat);
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r=(process.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();
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}
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process.Close();
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return r;
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}
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