/usr/include/ns3.17/ns3/system-wall-clock-ms.h is in libns3-dev 3.17+dfsg-1build1.
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The actual contents of the file can be viewed below.
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/*
* Copyright (c) 2005 INRIA
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage.inria.fr>
*/
#ifndef SYSTEM_WALL_CLOCK_MS_H
#define SYSTEM_WALL_CLOCK_MS_H
#include <stdint.h>
namespace ns3 {
/**
* \brief measure elapsed time in milliseconds
*
*/
class SystemWallClockMs {
public:
SystemWallClockMs ();
~SystemWallClockMs ();
/**
* Start a measure.
*/
void Start (void);
/**
* \brief Stop measuring the time since Start() was called.
* \returns the measured elapsed wall clock time (in milliseconds) since
* ns3::SystemWallClockMs::Start was invoked.
*
* It is possible to start a new measurement with ns3::SystemWallClockMs::Start
* after this method returns.
*
* Returns int64_t to avoid dependency on clock_t in ns-3 code.
*/
int64_t End (void);
/**
* \returns the measured elapsed wall clock time (in milliseconds) since
* ns3::SystemWallClockMs::Start was invoked.
*
* Returns int64_t to avoid dependency on clock_t in ns-3 code.
*/
int64_t GetElapsedReal (void) const;
/**
* \returns the measured elapsed 'user' wall clock time (in milliseconds) since
* ns3::SystemWallClockMs::Start was invoked.
*
* Returns int64_t to avoid dependency on clock_t in ns-3 code.
*/
int64_t GetElapsedUser (void) const;
/**
* \returns the measured elapsed 'system' wall clock time (in milliseconds) since
* ns3::SystemWallClockMs::Start was invoked.
*
* Returns int64_t to avoid dependency on clock_t in ns-3 code.
*/
int64_t GetElapsedSystem (void) const;
private:
class SystemWallClockMsPrivate *m_priv;
};
} // namespace ns3
#endif /* SYSTEM_WALL_CLOCK_MS_H */
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