libbase/WallClockTimer.h

   1 // WallClockTimer.h:  Wall clock timer, for Gnash.
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Free Software
   4 //   Foundation, Inc
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 //
  20
  21 #ifndef WALLCLOCKTIMER_H
  22 #define WALLCLOCKTIMER_H 1
  23
  24 #include "dsodefs.h" // for DSOEXPORT
  25
  26 #include <boost/cstdint.hpp>
  27
  28 namespace gnash {
  29
  30 /// General-purpose wall-clock timer.
  31 class DSOEXPORT WallClockTimer
  32 {
  33
  34 public:
  35
  36         /// Construct a wall-clock timer.
  37         WallClockTimer();
  38
  39         /// \brief
  40         /// Return time elapsed in milliseconds since construction
  41         /// or last call to ::restart()
  42         boost::uint32_t elapsed() const;
  43
  44         /// Restart the timer
  45         void restart();
  46
  47 private:
  48
  49         boost::uint64_t startTimer;
  50
  51 };
  52
  53 } // namespace gnash
  54
  55
  56 #endif // WALLCLOCKTIMER_H