wait.h

00001 
00002 /***************************************************************************
00003  *  wait.h - TimeWait tool
00004  *
00005  *  Created: Thu Nov 29 17:28:46 2007
00006  *  Copyright  2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __UTILS_TIME_WAIT_H_
00025 #define __UTILS_TIME_WAIT_H_
00026 
00027 namespace fawkes {
00028 
00029 class Clock;
00030 class Time;
00031 
00032 class TimeWait {
00033  public:
00034   TimeWait(Clock *clock, long int desired_loop_time_usec);
00035   ~TimeWait();
00036 
00037   void mark_start();
00038   void wait();
00039   void wait_systime();
00040 
00041   static void wait(long int usec);
00042   static void wait_systime(long int usec);
00043 
00044  private:
00045   Clock *__clock;
00046   Time  *__until;
00047   Time  *__until_systime;
00048   Time  *__now;
00049   long int __desired_loop_time;
00050 };
00051 
00052 } // end namespace fawkes
00053 
00054 #endif

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