bearermanagement/mpm/src/mpmlauncher.cpp
author Simon Howkins <simonh@symbian.org>
Thu, 18 Nov 2010 15:05:52 +0000
branchRCL_3
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parent 13 68f0c7cd80ec
child 73 70ee5458c95d
permissions -rw-r--r--
Adjusted to avoid exports, etc, from a top-level bld.inf
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/*
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* Copyright (c) 2004-2005 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 "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: MPM Client DLL Entry Point
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*
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*/
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/**
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@file mpmlauncher.cpp
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Mobility Policy Manager client DLL entry point.
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*/
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// INCLUDE FILES
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#include <e32std.h>
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#include "mpmlauncher.h"
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#include "mpmlogger.h"
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// ============================= LOCAL FUNCTIONS ===============================
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// MPMLauncher::LaunchServer
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// -----------------------------------------------------------------------------
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//
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TInt MPMLauncher::LaunchServer(
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    const TDesC& aServerFileName,
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    const TUid& aServerUid2,
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    const TUid& aServerUid3)
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    {
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    MPMLOGSTRING("MPMLauncher::LaunchServer")
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    const TUidType serverUid(KNullUid,aServerUid2,aServerUid3);
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    RSemaphore semaphore;
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    TInt err( KErrNone );
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    err = semaphore.CreateGlobal( KMPMLauncherSemaphore, 0 );
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    if ( err != KErrNone )
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        {
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        // Creating semaphore failed, which means some other thread is
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        // creating the server right. Propagate error KErrServerBusy
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        // to inform the client it should try connecting again.
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        return KErrServerBusy;
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        }
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    MPMLOGSTRING("Create a new server process")
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    RProcess server;
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    TInt r=server.Create(aServerFileName,KNullDesC,serverUid);
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    if ( r != KErrNone )
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        {
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        MPMLOGSTRING2("Server process creation returned error: %d", r)
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        semaphore.Close();
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        return r;
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        }
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    TRequestStatus stat;
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    server.Rendezvous(stat);
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    if ( stat != KRequestPending )
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        {
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        server.Kill(0);        // abort startup
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        }
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    else
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        {
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        server.Resume();    // logon OK - start the server
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        }
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    User::WaitForRequest(stat);        // wait for start or death
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    // we can't use the 'exit reason' if the server panicked as this
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    // is the panic 'reason' and may be '0' which cannot be distinguished
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    // from KErrNone
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    r = ( server.ExitType() == EExitPanic ) ? KErrGeneral : stat.Int();
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    server.Close();
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    semaphore.Close();
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    return r;
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    }
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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//  End of File 
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