reactos/lib/msvcrt/time/clock.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS system libraries
   4  * FILE:        lib/msvcrt/time/clock.c
   5  * PURPOSE:     Get elapsed time
   6  * PROGRAMER:   Boudewijn Dekker
   7  * UPDATE HISTORY:
   8  *              28/12/98: Created
   9  */
  10 #include <msvcrti.h>
  11
  12
  13 clock_t clock ( void )
  14 {
  15   FILETIME CreationTime;
  16   FILETIME ExitTime;
  17   FILETIME KernelTime;
  18   FILETIME UserTime;
  19   DWORD Remainder;
  20
  21   if (!GetProcessTimes(GetCurrentProcess(),&CreationTime,&ExitTime,&KernelTime,&UserTime))
  22     return -1;
  23
  24   return FileTimeToUnixTime(&KernelTime,&Remainder) + FileTimeToUnixTime(&UserTime,&Remainder);
  25 }