qelapsedtimer_generic.cpp

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#include "qelapsedtimer.h"
#include "qdeadlinetimer.h"
#include "qdatetime.h"
 
QT_BEGIN_NAMESPACE
 
QElapsedTimer::ClockType QElapsedTimer::clockType() noexcept
{
    return SystemTime;
}
 
bool QElapsedTimer::isMonotonic() noexcept
{
    return false;
}
 
void QElapsedTimer::start() noexcept
{
    restart();
}
 
qint64 QElapsedTimer::restart() noexcept
{
    qint64 old = t1;
    t1 = QDateTime::currentMSecsSinceEpoch();
    t2 = 0;
    return t1 - old;
}
 
qint64 QElapsedTimer::nsecsElapsed() const noexcept
{
    return elapsed() * 1000000;
}
 
qint64 QElapsedTimer::elapsed() const noexcept
{
    return QDateTime::currentMSecsSinceEpoch() - t1;
}
 
qint64 QElapsedTimer::msecsSinceReference() const noexcept
{
    return t1;
}
 
qint64 QElapsedTimer::msecsTo(const QElapsedTimer &other) const noexcept
{
    qint64 diff = other.t1 - t1;
    return diff;
}
 
qint64 QElapsedTimer::secsTo(const QElapsedTimer &other) const noexcept
{
    return msecsTo(other) / 1000;
}
 
bool operator<(const QElapsedTimer &lhs, const QElapsedTimer &rhs) noexcept
{
    return lhs.t1 < rhs.t1;
}
 
QDeadlineTimer QDeadlineTimer::current(Qt::TimerType timerType) noexcept
{
    QDeadlineTimer result;
    result.t1 = QDateTime::currentMSecsSinceEpoch() * 1000 * 1000;
    result.type = timerType;
    return result;
}
 
QT_END_NAMESPACE