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/*******************************************************************************
* timer.cpp
*
* ---------------------------------------------------------------------------
* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
*
* POV-Ray is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* POV-Ray 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ---------------------------------------------------------------------------
* POV-Ray is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
* ---------------------------------------------------------------------------
* $File: //depot/public/povray/3.x/source/base/timer.cpp $
* $Revision: #1 $
* $Change: 6069 $
* $DateTime: 2013/11/06 11:59:40 $
* $Author: chrisc $
*******************************************************************************/
// configbase.h must always be the first POV file included within base *.cpp files
#include "base/configbase.h"
#include <boost/thread.hpp>
#ifndef POV_TIMER
#include "base/timer.h"
#include "base/types.h"
// this must be the last file included
#include "base/povdebug.h"
namespace pov_base
{
TimerDefault::TimerDefault(bool tctime) :
threadCPUTimeOnly(tctime)
{
Reset();
}
TimerDefault::~TimerDefault()
{
}
POV_LONG TimerDefault::ElapsedRealTime() const
{
boost::xtime t;
boost::xtime_get(&t, POV_TIME_UTC);
POV_LONG tt = (POV_LONG)(t.sec) * (POV_LONG)(1000000000) + (POV_LONG)(t.nsec);
POV_LONG st = (POV_LONG)(realTimeStart.sec) * (POV_LONG)(1000000000) + (POV_LONG)(realTimeStart.nsec);
return ((tt - st) / (POV_LONG)(1000000));
}
POV_LONG TimerDefault::ElapsedCPUTime() const
{
boost::xtime t;
boost::xtime_get(&t, POV_TIME_UTC);
POV_LONG tt = (POV_LONG)(t.sec) * (POV_LONG)(1000000000) + (POV_LONG)(t.nsec);
POV_LONG st = (POV_LONG)(cpuTimeStart.sec) * (POV_LONG)(1000000000) + (POV_LONG)(cpuTimeStart.nsec);
return ((tt - st) / (POV_LONG)(1000000));
}
bool TimerDefault::HasValidCPUTime() const
{
return false;
}
void TimerDefault::Reset()
{
boost::xtime_get(&realTimeStart, POV_TIME_UTC);
boost::xtime_get(&cpuTimeStart, POV_TIME_UTC);
}
}
#endif
#ifndef POV_DELAY_IMPLEMENTED
namespace pov_base
{
void Delay(unsigned int msec)
{
boost::xtime t;
boost::xtime_get(&t, POV_TIME_UTC);
POV_ULONG ns = (POV_ULONG)(t.sec) * (POV_ULONG)(1000000000) + (POV_ULONG)(t.nsec) + (POV_ULONG)(msec) * (POV_ULONG)(1000000);
t.sec = (boost::xtime::xtime_sec_t)(ns / (POV_ULONG)(1000000000));
t.nsec = (boost::xtime::xtime_nsec_t)(ns % (POV_ULONG)(1000000000));
boost::thread::sleep(t);
}
}
#endif
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