root/libbase/WallClockTimer.cpp

DEFINITIONS

1. restart
2. elapsed

// WallClockTimer.cpp:  Wall clock timer, for Gnash.
//
//   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
//   2011 Free Software Foundation, Inc
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
//

#include "WallClockTimer.h"
#include "ClockTime.h" // for "portable" get_ticks (contains implementation for win32)

namespace gnash {

WallClockTimer::WallClockTimer()
    :
    startTimer(clocktime::getTicks())
{
}

void
WallClockTimer::restart()
{
    startTimer = clocktime::getTicks();
}

boost::uint32_t
WallClockTimer::elapsed() const
{
    boost::uint64_t currTime = clocktime::getTicks();
    
    // be aware of time glitches
    if ( currTime <= startTimer ) return 0;

    return currTime - startTimer;

}

} // namespace gnash