src/timing/cl_t_current.cc

   1 // cl_current_time().
   2
   3 // General includes.
   4 #include "cl_sysdep.h"
   5
   6 // Specification.
   7 #include "cl_timing.h"
   8
   9
  10 // Implementation.
  11
  12 #include "cl_t_config.h"
  13
  14 #if defined(HAVE_GETTIMEOFDAY)
  15   #include <sys/time.h>
  16   #ifdef GETTIMEOFDAY_DOTS
  17     extern "C" int gettimeofday (struct timeval * tp, ...);
  18   #else
  19     extern "C" int gettimeofday (struct timeval * tp, GETTIMEOFDAY_TZP_T tzp);
  20   #endif
  21 #elif defined(HAVE_FTIME)
  22   #include <sys/timeb.h>
  23   #ifdef _WIN32
  24     extern "C" void ftime (struct timeb * tp);
  25   #else
  26     extern "C" int ftime (struct timeb * tp);
  27   #endif
  28 #else
  29   #include <time.h>
  30 #endif
  31 #ifdef HAVE_PERROR_DECL
  32   #include <errno.h>
  33   #include <stdio.h>
  34 #else
  35   extern "C" int perror (const char *);
  36 #endif
  37
  38 const cl_timespec cl_current_time ()
  39 {
  40 #if defined(HAVE_GETTIMEOFDAY)
  41         var struct timeval tv;
  42         if (gettimeofday(&tv,NULL) != 0) {
  43                 perror("gettimeofday");
  44                 tv.tv_sec = 0; tv.tv_usec = 0;
  45         }
  46         return cl_timespec(tv.tv_sec,
  47                            tv.tv_usec * (1000000000/1000000)
  48                           );
  49 #elif defined(HAVE_FTIME)
  50         var struct timeb timebuf;
  51         ftime(&timebuf);
  52         return cl_timespec(timebuf.time,
  53                            (uintL)timebuf.millitm * (1000000000/1000)
  54                           );
  55 #else
  56         return cl_timespec(time(NULL),0);
  57 #endif
  58 }