/usr/include/Box2D/Common/b2Timer.h is in libbox2d-dev 2.3.0+ds-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | /*
* Copyright (c) 2011 Erin Catto http://box2d.org
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef B2_TIMER_H
#define B2_TIMER_H
#include <Box2D/Common/b2Settings.h>
/// Timer for profiling. This has platform specific code and may
/// not work on every platform.
class b2Timer
{
public:
/// Constructor
b2Timer();
/// Reset the timer.
void Reset();
/// Get the time since construction or the last reset.
float32 GetMilliseconds() const;
private:
#if defined(_WIN32)
float64 m_start;
static float64 s_invFrequency;
#elif defined(__linux__) || defined (__APPLE__)
unsigned long m_start_sec;
unsigned long m_start_usec;
#endif
};
#endif
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