static qint64 elapsedAndRestart(qint64 sec, qint64 frac,
qint64 *nowsec, qint64 *nowfrac)
{
do_gettime(nowsec, nowfrac);
sec = *nowsec - sec;
frac = *nowfrac - frac;
return sec * Q_INT64_C(1000) + frac / fractionAdjustment();
}
qint64 PerformanceTimer::elapsed() const
{
qint64 sec, frac;
do_gettime(&sec, &frac);
sec = sec - t1;
frac = frac - t2;
return sec * Q_INT64_C(1000000000) + frac;
}
qint64 QElapsedTimer::nsecsElapsed() const
{
qint64 sec, frac;
do_gettime(&sec, &frac);
sec = sec - t1;
frac = frac - t2;
if (!monotonicClockAvailable)
frac *= 1000;
return sec * Q_INT64_C(1000000000) + frac;
}
qint64 PerformanceTimer::restart()
{
qint64 sec, frac;
sec = t1;
frac = t2;
do_gettime(&t1, &t2);
sec = t1 - sec;
frac = t2 - frac;
return sec * Q_INT64_C(1000000000) + frac;
}
qint64 QElapsedTimer::restart()
{
QPair<long, long> r = do_gettime();
qint64 oldt1 = t1;
qint64 oldt2 = t2;
t1 = r.first;
t2 = r.second;
r.first -= oldt1;
r.second -= oldt2;
return r.first * Q_INT64_C(1000) + r.second / fractionAdjustment();
}
// used in qcore_unix.cpp and qeventdispatcher_unix.cpp
timeval qt_gettime()
{
QPair<long, long> r = do_gettime();
timeval tv;
tv.tv_sec = r.first;
tv.tv_usec = r.second;
if (QElapsedTimer::isMonotonic())
tv.tv_usec /= 1000;
return tv;
}
// used in qcore_unix.cpp and qeventdispatcher_unix.cpp
timeval qt_gettime()
{
qint64 sec, frac;
do_gettime(&sec, &frac);
timeval tv;
tv.tv_sec = sec;
tv.tv_usec = frac;
if (monotonicClockAvailable)
tv.tv_usec /= 1000;
return tv;
}
void QElapsedTimer::start()
{
do_gettime(&t1, &t2);
}
void PerformanceTimer::start()
{
do_gettime(&t1, &t2);
}
void QElapsedTimer::start()
{
QPair<long, long> r = do_gettime();
t1 = r.first;
t2 = r.second;
}
