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C:/temp/src/j2k/Net/TFTP/Timer.hpp

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// Required library:  -lrt

#ifndef __J2K__Timer_HPP__
#define __J2K__Timer_HPP__

#include <j2k/Fred/Standard.hpp>
#include <j2k/Fred/Error/JErrorController.hpp>

#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <sys/time.h>

#if !defined( linux )
#include <sys/siginfo.h>
#endif

// 16-17
#define  TimerSignal  SIGUSR1  

class Timer;

// Only one timer can exist at a given time
Timer*  theTimer = NULL;

class Timer {
public:

  // Setup a timer, to be started later.
  Timer( ULONG nsec, ULONG sec = 0 );

  inline void start();

  // Use the global variable for to call the real handler
  static void wrapper( int signo )
  {
    theTimer->timedRun( signo ); 
  }

  // Should be implement by children class
  virtual void timedRun( int signo ) = 0;

private:
  clockid_t timerid;
  struct sigevent   event;
  struct itimerspec t;
};

#endif

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