interruptFlag.h

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#pragma once

#include "vrfutil/vrfutilDefines.h"
#include "boost/timer/timer.hpp"

class DT_DLL_vrfutil  DtInterruptFlag
{
public:
   DtInterruptFlag() {};
   virtual ~DtInterruptFlag() {};
   virtual bool interrupt() const = 0;

private:
   DtInterruptFlag(const DtInterruptFlag& orig);
   DtInterruptFlag& operator=(const DtInterruptFlag& orig);

protected:
};

class DT_DLL_vrfutil  DtIndefiniteInterrupt : public DtInterruptFlag
{
public:
   DtIndefiniteInterrupt() : DtInterruptFlag() {};
   virtual bool interrupt() const { return false; };
};

class DT_DLL_vrfutil  DtTimerInterrupt : public DtInterruptFlag
{
public:
   DtTimerInterrupt(unsigned int milliseconds);
   virtual bool interrupt() const;

private:
   DtTimerInterrupt();

protected:
   boost::timer::cpu_timer myTimer;
   boost::timer::nanosecond_type myExpireTime;
};