genericopenlibs/openenvcore/backend/inc/signalclient.h
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     1 /*
       
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 * Name        : signalclient.h
       
    16 * Part of     : Signal server
       
    17 * 
       
    18 *
       
    19 */
       
    20 
       
    21 
       
    22 
       
    23 #ifndef SIGNALSESSION_H
       
    24 #define SIGNALSESSION_H
       
    25 
       
    26 // INCLUDES
       
    27 #include <e32std.h>
       
    28 #include <e32base.h>
       
    29 #include "rpipe.h"
       
    30 
       
    31 // CLASS DECLARATION
       
    32 
       
    33 /**
       
    34  *  RSignalSession
       
    35  *
       
    36  */
       
    37 class RSignalSession : public RSessionBase
       
    38 	{
       
    39 public:
       
    40 	RSignalSession():iIsConnected(EFalse)
       
    41 				{iLock.CreateLocal();}
       
    42 
       
    43 	TInt SendPipe(RPipe& aPipe);
       
    44 	TInt SendSignal(TInt aPid,TInt aSignal);
       
    45 	TInt SendSignalValue(TInt aPid,TInt aSignal,TInt aValue);
       
    46 
       
    47 private:
       
    48 	TInt OnDemandConnection();
       
    49 
       
    50 	void Lock() { iLock.Wait(); }
       
    51 
       
    52 	void UnLock() { iLock.Signal(); }
       
    53 	RFastLock iLock;
       
    54 	TInt Connect();
       
    55 	TInt iIsConnected;
       
    56 	//todo put a lock around this list
       
    57 	};
       
    58 
       
    59 #endif // SIGNALSESSION_H