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salome-kernel  6.5.0
Utils_Timer.hxx
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00001 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 // This library is free software; you can redistribute it and/or
00007 // modify it under the terms of the GNU Lesser General Public
00008 // License as published by the Free Software Foundation; either
00009 // version 2.1 of the License.
00010 //
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // Lesser General Public License for more details.
00015 //
00016 // You should have received a copy of the GNU Lesser General Public
00017 // License along with this library; if not, write to the Free Software
00018 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 
00023 //  SALOME Utils : general SALOME's definitions and tools
00024 //  File   : Utils_Timer.hxx
00025 //  Module : SALOME
00026 //
00027 #include "SALOME_Utils.hxx"
00028 
00029 #include <stdlib.h>
00030 #include <time.h>
00031 
00032 #ifndef WIN32
00033 # include <sys/times.h>
00034 # include <sys/time.h>
00035 # include <unistd.h>
00036 #else
00037 # include <windows.h>
00038 # include <time.h>
00039 # include <sys/timeb.h>
00040 #define _POSIX_
00041 #endif
00042 
00043 class UTILS_EXPORT Utils_Timer {
00044  public:
00045   Utils_Timer();
00046   virtual ~Utils_Timer();
00047   void Start();
00048   void Stop();
00049   void Reset();
00050   void Show();
00051   void ShowAbsolute();
00052  protected:
00053   double Cumul_user;
00054   double Cumul_sys;
00055   bool Stopped;
00056 #ifndef WIN32
00057   tms *RefToCurrentTMS, *RefToInitialTMS;
00058   timeval *RefToCurrentTimeB, *RefToInitialTimeB;
00059 #else
00060   FILETIME *RefToCurrentTMS, *RefToInitialTMS;
00061   time_t *RefToCurrentTimeB, *RefToInitialTimeB;
00062 #endif
00063 };