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C:/temp/src/j2k/Deprecated/old_18mar_diff/nto/TimerPulse.hpp

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// Required library:  -lrt

#ifndef __J2K__TimerPulse_HPP__
#define __J2K__TimerPulse_HPP__

#include <j2k/Fred/Standard.hpp>
#include <j2k/nto/Basic_PThread.hpp>

#include <stdio.h>
#include <stdlib.h>
#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
#ifndef  TimerSignalEvent
#define  TimerSignalEvent  SIGUSR1
#endif

#if defined( __QNXNTO__ )

#include <sys/neutrino.h>
#include <sys/netmgr.h>

#endif

class TimerPulse;

class TimerPulse : public Basic_PThread 
{

public:

static const ULONG TimerPulse::Period_1_ms   =   1000000L;
static const ULONG TimerPulse::Period_10_ms  =  10000000L;
static const ULONG TimerPulse::Period_20_ms  =  20000000L;
static const ULONG TimerPulse::Period_50_ms  =  50000000L;
static const ULONG TimerPulse::Period_100_ms = 100000000L;
static const ULONG TimerPulse::Period_250_ms = 250000000L;
static const ULONG TimerPulse::Period_500_ms = 500000000L;
static const ULONG TimerPulse::Period_750_ms = 750000000L;

public:

  // Setup a timer, to be started later.
  TimerPulse( ULONG nsec = Period_500_ms, ULONG sec = 0 );

  // Implicit
  // virtual void start();

  inline virtual void stop()
  {
    set( 0, 0 );
  }

  void set( ULONG nsec = Period_500_ms, ULONG sec = 0 );

  inline int getChid() { return chid; }

protected:

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


  int                  pulse_id;
  int                  timer_pid;
  int                  chid;

  timer_t              timer_id;

  struct _pulse        pulse;
  struct sigevent      event;
  struct _clockperiod  clkper;
  struct itimerspec    t;

};

#ifndef __TIMER__ALIAS
#define __TIMER__ALIAS

typedef TimerPulse  Timer;

#endif

#endif

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