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/*
* CENA C++ Utilities
*
* by Stephane Chatty
*
* Copyright 1992
* Centre d'Etudes de la Navigation Aerienne (CENA)
*
* timers
*
* $Id$
* $CurLog$
*/
#ifndef Timer_H_
#define Timer_H_
#include "cplus_bugs.h"
#include "Time.h"
class CcuSignalHandler;
#if 0
template <class ITEM> class CcuListOf;
#else
#include "List.h"
#endif
class CcuBaseTimer {
public:
enum timer_status { Active, Inactive };
private:
static CcuSignalHandler* TimeOutHandler;
static CcuBaseTimer* FirstActive;
#ifndef CPLUS_BUG19
static CcuListOf <CcuBaseTimer>* OtherActive;
#else
static CcuList* OtherActive;
#endif
static void ClassInit ();
static void HandleSignal (int);
static void SetAlarm (Millisecond);
static void StopAlarm ();
static CcuBaseTimer* ExtractNextActive ();
static int IsInactive (CcuBaseTimer*);
Millisecond NextDate;
Millisecond Period;
int PulsesLeft;
timer_status Status;
void Activate ();
void Schedule (Millisecond);
void Reschedule ();
protected:
virtual void Handle (Millisecond);
public:
CcuBaseTimer (Millisecond, int = -1);
virtual ~CcuBaseTimer ();
void ChangePeriod (Millisecond first);
void Stop ();
void Restart ();
void Wait ();
inline Millisecond GetPeriod () const { return Period; }
inline int GetNbPulses () const { return PulsesLeft; }
inline timer_status GetStatus () const { return Status; }
};
class CcuTimer : public CcuBaseTimer {
protected:
void (*Handler) (Millisecond);
void Handle (Millisecond);
public:
CcuTimer (Millisecond, void (*) (Millisecond), int = -1);
~CcuTimer ();
};
#endif /* Timer_H_ */
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