katie/src/core/tools/qelapsedtimer.h
Ivailo Monev 721007a0bb add operator<(const QElapsedTimer &v1, const QElapsedTimer &v2) for tests
removed before the initial import for some reason

Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
2020-01-06 14:06:11 +00:00

83 lines
2.4 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2020 Ivailo Monev
**
** This file is part of the QtCore module of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTIMESTAMP_H
#define QTIMESTAMP_H
#include <QtCore/qglobal.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class Q_CORE_EXPORT QElapsedTimer
{
public:
enum ClockType {
SystemTime,
MonotonicClock
};
static ClockType clockType();
static bool isMonotonic();
void start();
qint64 restart();
void invalidate();
bool isValid() const;
qint64 nsecsElapsed() const;
qint64 elapsed() const;
bool hasExpired(qint64 timeout) const;
qint64 msecsSinceReference() const;
qint64 msecsTo(const QElapsedTimer &other) const;
qint64 secsTo(const QElapsedTimer &other) const;
bool operator==(const QElapsedTimer &other) const
{ return t1 == other.t1 && t2 == other.t2; }
bool operator!=(const QElapsedTimer &other) const
{ return !(*this == other); }
friend bool Q_CORE_EXPORT operator<(const QElapsedTimer &v1, const QElapsedTimer &v2);
private:
qint64 t1;
qint64 t2;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QTIMESTAMP_H