Timer Class Reference

#include <cppunit_timer.h>

Public Member Functions
	Timer ()
void	start ()
void	restart ()
void	stop ()
double	elapsedMilliseconds () const

Static Public Member Functions
static bool	supported ()

Detailed Description

Definition at line 24 of file cppunit_timer.h.

Constructor & Destructor Documentation

Timer()

Timer::Timer ( )

inline

Definition at line 26 of file cppunit_timer.h.

          {
#if defined (CPPUNIT_WIN32_TIMER)
    m_start.LowPart = m_restart.LowPart = m_stop.LowPart = 0;
    m_start.HighPart = m_restart.HighPart = m_stop.HighPart = 0;
    QueryPerformanceFrequency(&m_frequency);
#endif
  }

Referenced by CTEInitTimer(), CTEStartTimer(), IoDeleteDevice(), MiniTimerDpcFunction(), NdisCancelTimer(), NdisInitializeTimer(), NdisMCancelTimer(), NdisMInitializeTimer(), NdisMSetPeriodicTimer(), NdisMSetTimer(), and NdisSetTimer().

Member Function Documentation

elapsedMilliseconds()

double Timer::elapsedMilliseconds ( ) const

inline

Definition at line 75 of file cppunit_timer.h.

                                     {
#if defined (CPPUNIT_WIN32_TIMER)
    LARGE_INTEGER elapsed;
    elapsed.HighPart = m_stop.HighPart - m_start.HighPart;
    elapsed.LowPart = m_stop.LowPart - m_start.LowPart;
    return (double)elapsed.QuadPart / (double)m_frequency.QuadPart * 1000;
#else
    return 0;
#endif
  }

Referenced by FileReporter::end(), and FileReporter::printSummary().

restart()

void Timer::restart ( )

inline

Definition at line 40 of file cppunit_timer.h.

                 {
#if defined (CPPUNIT_WIN32_TIMER)
    QueryPerformanceCounter(&m_restart);
    if (m_start.HighPart == 0 && m_start.LowPart == 0) {
      m_start = m_restart;
    }
#endif
  }

Referenced by FileReporter::progress().

start()

void Timer::start ( )

inline

Definition at line 34 of file cppunit_timer.h.

               {
#if defined (CPPUNIT_WIN32_TIMER)
    QueryPerformanceCounter(&m_start);
#endif
  }

Referenced by FileReporter::progress().

stop()

void Timer::stop ( void  )

inline

Definition at line 49 of file cppunit_timer.h.

              {
#if defined (CPPUNIT_WIN32_TIMER)
    LARGE_INTEGER stop;
    QueryPerformanceCounter(&stop);
    if ((m_stop.HighPart != 0 || m_stop.LowPart != 0) &&
        m_restart.HighPart != 0 && m_restart.LowPart != 0) {
      m_stop.HighPart += (stop.HighPart - m_restart.HighPart);
      if (stop.LowPart < m_restart.LowPart) {
        if (m_restart.LowPart - stop.LowPart > m_stop.LowPart) {
          m_stop.HighPart -= 1;
        }
        m_stop.LowPart -= m_restart.LowPart - stop.LowPart;
      }
      else {
        if (stop.LowPart - m_restart.LowPart > 0xFFFFFFFF - m_stop.LowPart) {
          m_stop.HighPart += 1;
        }
        m_stop.LowPart += stop.LowPart - m_restart.LowPart;
      }
    }
    else {
      m_stop = stop;
    }
#endif
  }

Referenced by FileReporter::end().

supported()

static bool Timer::supported ( )

inlinestatic

Definition at line 86 of file cppunit_timer.h.

                          {
#if defined (CPPUNIT_WIN32_TIMER)
    return true;
#else
    return false;
#endif
  }

Referenced by main(), and usage().

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The documentation for this class was generated from the following file:

• sdk/lib/3rdparty/stlport/test/unit/cppunit/cppunit_timer.h