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ClockPeriod ยป clock_period.cpp

Rob Gillis, 10/11/2011 05:08 PM

 
//============================================================================
// Name : clock_period.cpp
// Author :
// Version :
// Copyright : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <stdlib.h>
#include <sys/neutrino.h>

using namespace std;

int main(int argc, char *argv[])
{
struct _clockperiod clkper;

if (argc != 1 && argc != 2)
{
cout << "Usage: clock_period <nsec>" << endl;
exit (0);
}

if (argc == 1)
{
/* display the current clock period */
ClockPeriod(CLOCK_REALTIME, NULL, &clkper, 0);
cout << "ClockPeriod: " << clkper.nsec << " nsecs" << endl;
}
else
{
/* set new clock period */
clkper.nsec = atoi(argv[1]);
clkper.fract = 0;
ClockPeriod ( CLOCK_REALTIME, &clkper, NULL, 0 );
}

return 0;
}
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