win32/utils.cc

   1 // utils.cpp : Defines the entry point for the DLL application.
   2 //
   3
   4 #include "wvwin32-sanitize.h"
   5
   6 #define EPOCHFILETIME (116444736000000000LL)
   7
   8 int gettimeofday(struct timeval *tv, struct timezone *tz)
   9 {
  10     FILETIME        ft;
  11     LARGE_INTEGER   li;
  12     __int64         t;
  13     static int      tzflag;
  14
  15     if (tv)
  16     {
  17         GetSystemTimeAsFileTime(&ft);
  18         li.LowPart  = ft.dwLowDateTime;
  19         li.HighPart = ft.dwHighDateTime;
  20         t  = li.QuadPart;       /* In 100-nanosecond intervals */
  21         t -= EPOCHFILETIME;     /* Offset to the Epoch time */
  22         t /= 10;                /* In microseconds */
  23         tv->tv_sec  = (long)(t / 1000000);
  24         tv->tv_usec = (long)(t % 1000000);
  25     }
  26
  27 #if 0
  28     if (tz)
  29     {
  30         if (!tzflag)
  31         {
  32             _tzset();
  33             tzflag++;
  34         }
  35         tz->tz_minuteswest = _timezone / 60;
  36         tz->tz_dsttime = _daylight;
  37     }
  38 #endif
  39     return 0;
  40 }
  41
  42
  43 pid_t getpid()
  44 {
  45     return GetCurrentThreadId();
  46 }
  47
  48
  49 unsigned int sleep(unsigned int secs)
  50 {
  51     Sleep(secs*1000);
  52     return 0;
  53 }
  54
  55
  56 // FIXME: this makes alarms silently fail.  They should probably fail more
  57 // nicely, or (better still) actually work...
  58 unsigned int alarm(unsigned int t)
  59 {
  60     return 0;
  61 }
  62
  63
  64 // This is the same as what Python uses, apparently
  65 int fsync(int fd)
  66 {
  67     return _commit(fd);
  68 }