/usr/include/visp/vpTime.h is in libvisp-dev 2.9.0-3+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* $Id: vpTime.h 4574 2014-01-09 08:48:51Z fspindle $
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2014 by INRIA. All rights reserved.
*
* This software is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact INRIA about acquiring a ViSP Professional
* Edition License.
*
* See http://www.irisa.fr/lagadic/visp/visp.html for more information.
*
* This software was developed at:
* INRIA Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
* http://www.irisa.fr/lagadic
*
* If you have questions regarding the use of this file, please contact
* INRIA at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*
* Description:
* Time management and measurement.
*
* Authors:
* Eric Marchand
* Fabien Spindler
*
*****************************************************************************/
#ifndef vpTime_h
#define vpTime_h
/*!
\file vpTime.h
\brief Time management and measurement
*/
#include <visp/vpConfig.h>
#include <visp/vpException.h>
/*!
\class vpTime
\ingroup Time
\brief Time management and measurement.
The example below shows how to synchronize a loop to a given framerate.
\code
#include <visp/vpTime.h>
int main()
{
double t;
for ( ; ; ) {
t = vpTime::measureTimeMs();
...
vpTime::wait(t, 40); // Loop time is set to 40 ms, ie 25 Hz
}
}
\endcode
*/
class VISP_EXPORT vpTime
{
public:
static double minTimeForUsleepCall;
static double measureTimeSecond() ;
static double measureTimeMs() ;
static double measureTimeMicros() ;
static void sleepMs(double t);
static int wait(double t0, double t) ;
static void wait(double t) ;
} ;
#endif
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