Src/DasherCore/SimpleTimer.cpp

   1
   2 #include "../Common/Common.h"
   3
   4 #include "SimpleTimer.h"
   5
   6 #ifdef _WIN32
   7 #include <sys/timeb.h>
   8 #else
   9 #include <sys/time.h>
  10 #endif
  11
  12 // Track memory leaks on Windows to the line that new'd the memory
  13 #ifdef _WIN32
  14 #ifdef _DEBUG
  15 #define DEBUG_NEW new( _NORMAL_BLOCK, THIS_FILE, __LINE__ )
  16 #define new DEBUG_NEW
  17 #undef THIS_FILE
  18 static char THIS_FILE[] = __FILE__;
  19 #endif
  20 #endif
  21
  22 CSimpleTimer::CSimpleTimer()
  23 {
  24 #ifdef _WIN32
  25   struct timeb sTimeBuffer;
  26 #else
  27   struct timeval sTimeBuffer;
  28   struct timezone sTimezoneBuffer;
  29 #endif
  30
  31 #ifdef _WIN32
  32     ftime(&sTimeBuffer);
  33     m_iStartMs       = sTimeBuffer.millitm;
  34     m_iStartSecond   = sTimeBuffer.time;
  35 #else
  36     gettimeofday(&sTimeBuffer, &sTimezoneBuffer);
  37     m_iStartMs       = sTimeBuffer.tv_usec / 1000;
  38     m_iStartSecond   = sTimeBuffer.tv_sec;
  39 #endif
  40
  41 }
  42
  43 CSimpleTimer::~CSimpleTimer()
  44 {
  45 }
  46
  47 double CSimpleTimer::GetElapsed()
  48 {
  49 #ifdef _WIN32
  50   struct timeb sTimeBuffer;
  51 #else
  52   struct timeval sTimeBuffer;
  53   struct timezone sTimezoneBuffer;
  54 #endif
  55
  56 #ifdef _WIN32
  57   ftime(&sTimeBuffer);
  58   int     iEndMs       = sTimeBuffer.millitm;
  59   int     iEndSecond   = sTimeBuffer.time;
  60 #else
  61   gettimeofday(&sTimeBuffer, &sTimezoneBuffer);
  62   int     iEndMs       = sTimeBuffer.tv_usec / 1000;
  63   int     iEndSecond   = sTimeBuffer.tv_sec;
  64 #endif
  65
  66
  67   return  ((double) iEndMs     / 1000.0 + (double) iEndSecond) -
  68           ((double) m_iStartMs / 1000.0 + (double) m_iStartSecond);
  69
  70 }
  71