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 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();
}
qint64 QElapsedTimer::msecsTo(const QElapsedTimer &other) const
{
qint64 secs = other.t1 - t1;
qint64 fraction = other.t2 - t2;
return secs * Q_INT64_C(1000) + fraction / fractionAdjustment();
}
qint64 QElapsedTimer::msecsSinceReference() const
{
return t1 * Q_INT64_C(1000) + t2 / fractionAdjustment();
}
