genericopenlibs/posixrealtimeextensions/inc/timer.h
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // timer header file
       
    15 // 
       
    16 //
       
    17 
       
    18 
       
    19 #ifndef __TIMER__H
       
    20 #define __TIMER__H
       
    21 
       
    22 #include <e32base.h>
       
    23 #include <time.h>
       
    24 #include <signal.h>
       
    25 
       
    26 #define MAXTIMERLIMIT 512
       
    27 #define DELAYTIMER_MAX 32
       
    28 
       
    29 class CTimerReqHandler;	
       
    30 class CRtTimer;
       
    31 class CTimerServer;
       
    32 NONSHARABLE_CLASS(CLibRtTimer): public CTimer
       
    33 	{
       
    34 	public:
       
    35 	CLibRtTimer():CTimer(EPriorityHigh)
       
    36 		{
       
    37 		}
       
    38 	void ConstructL()
       
    39 		{
       
    40 		CTimer::ConstructL();
       
    41 		}
       
    42 	void At(TTime aSetTime)
       
    43 		{
       
    44 		CTimer::At(aSetTime);
       
    45 		}
       
    46 	inline void Set(CRtTimer* CRtPtr)
       
    47 		{
       
    48 		ptr = CRtPtr;
       
    49 		}
       
    50 	inline CRtTimer* GetRtPtr()
       
    51 	{
       
    52 		return ptr;
       
    53 	}
       
    54 	void AddToAS();
       
    55 	private:
       
    56 		void RunL();
       
    57 		CRtTimer* ptr;
       
    58 	};
       
    59 
       
    60 class CRtTimer:public CBase
       
    61 {
       
    62 public: 
       
    63 	friend class CTimerReqHandler;	
       
    64 	friend class CTimerServer;
       
    65 	friend class CLibRtTimer;
       
    66 	static CRtTimer* New(struct sigevent *aSig);	
       
    67 	TInt SetTime(TInt aFlag, const struct itimerspec *aIpTime,
       
    68 				 struct itimerspec *aOpTime);			 
       
    69 	TInt Time(struct itimerspec *aTime) const;
       
    70 	TInt OverrunCount(TInt& aOverrunCount) const;	
       
    71 	virtual ~CRtTimer();
       
    72 protected: 
       
    73 
       
    74 	CRtTimer(struct sigevent *aSig);
       
    75 private:
       
    76 	CLibRtTimer iTimer;
       
    77 	
       
    78 	TInt iTimerId;
       
    79 	TBool iIsArmed;
       
    80 	TBool iIsTimerReset;
       
    81 
       
    82 	struct sigevent iSigEvent;
       
    83 	struct itimerspec iStartTime;
       
    84 	struct timespec iEndTime;
       
    85 };
       
    86 #endif //__TIMER__H
       
    87