timer.h

00001 /*************************************************************************
00002  *              ESLA: Embeddable Scripting LAnguage
00003  *                  Copyright (C) 2003 Frantz Maerten
00004  *
00005  *   This  program  is  free  software;  you  can  redistribute it and/or
00006  *   modify  it  under  the  terms  of  the GNU General Public License as
00007  *   published  by  the Free Software Foundation; either version 2 of the
00008  *   License, or (at your option) any later version.
00009  *
00010  *   If  you modify this software, you should contact the author, include
00011  *   a  notice giving the name of the person performing the modification,
00012  *   the date of modification, and the reason for such modification.
00013  *
00014  *   Note   that   the   GNU  General  Public  License  does  not  permit
00015  *   incorporating the Software into proprietary programs.
00016  *
00017  *  Contact: Frantz Maerten
00018  *     frantz@pangea.stanford.edu
00019  *
00020  *     Dept. of Geological & Environmental Sciences
00021  *     Stanford University 
00022  *     Stanford, CA 94305-2115
00023  *     USA
00024  *************************************************************************/
00025 
00026 
00027 #ifndef __UTILS_TIMER__
00028 #define __UTILS_TIMER__
00029 
00030 #include "../esla_namespace.h"
00031 #include <time.h>
00032 
00033 
00034 BEGIN_LIB_NAMESPACE
00035 
00036 class StaticTimer {
00037 public:
00038   static void start() ;
00039   static void stop() ;
00040   static void release() ;
00041   static double cpu_time() ;
00042 
00043 protected:
00044   static StaticTimer* instance_ ;
00045   static StaticTimer* instance() ;
00046 
00047   StaticTimer() ;
00048   time_t start_, stop_ ;
00049   double elapsed_ ;
00050 };
00051 
00052 END_LIB_NAMESPACE
00053 
00054 #endif 
00055