mitkLinuxRealTimeClock.cpp

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#include "mitkLinuxRealTimeClock.h"
 
#include <sys/time.h>
 
 
mitk::LinuxRealTimeClock::LinuxRealTimeClock()
{
}
 
mitk::LinuxRealTimeClock::~LinuxRealTimeClock()
{
}
 
double mitk::LinuxRealTimeClock::GetCurrentStamp()
{
  struct timeval tval;
 
  if ( ::gettimeofday( &tval, nullptr )!= 0 )
  {
    itkGenericOutputMacro("gettimeofday-method could not successfully acquire the current time");
    return -1;
  }
  double milliseconds;
 
  milliseconds = static_cast< double >( tval.tv_sec ) +
    static_cast< double >( tval.tv_usec ) / 1e6;
 
  return milliseconds*1000; // in milliseconds
}