mono/io-layer/timefuncs.c

   1 /*
   2  * timefuncs.c:  performance timer and other time functions
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *
   7  * (C) 2002 Ximian, Inc.
   8  */
   9
  10 #include <config.h>
  11 #include <glib.h>
  12 #include <sys/time.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15
  16 #include <mono/io-layer/wapi.h>
  17 #include <mono/io-layer/timefuncs-private.h>
  18 #include "mono/utils/mono-time.h"
  19
  20 #undef DEBUG
  21
  22 void _wapi_time_t_to_filetime (time_t timeval, WapiFileTime *filetime)
  23 {
  24         guint64 ticks;
  25
  26         ticks = ((guint64)timeval * 10000000) + 116444736000000000ULL;
  27         filetime->dwLowDateTime = ticks & 0xFFFFFFFF;
  28         filetime->dwHighDateTime = ticks >> 32;
  29 }
  30
  31 void _wapi_timeval_to_filetime (struct timeval *tv, WapiFileTime *filetime)
  32 {
  33         guint64 ticks;
  34
  35         ticks = ((guint64)tv->tv_sec * 10000000) +
  36                 ((guint64)tv->tv_usec * 10) + 116444736000000000ULL;
  37         filetime->dwLowDateTime = ticks & 0xFFFFFFFF;
  38         filetime->dwHighDateTime = ticks >> 32;
  39 }
  40
  41 void _wapi_guint64_to_filetime (guint64 ticks, WapiFileTime *filetime)
  42 {
  43         filetime->dwLowDateTime = ticks & 0xFFFFFFFF;
  44         filetime->dwHighDateTime = ticks >> 32;
  45 }
  46
  47 gboolean QueryPerformanceCounter(WapiLargeInteger *count G_GNUC_UNUSED)
  48 {
  49         return(FALSE);
  50 }
  51
  52 gboolean QueryPerformanceFrequency(WapiLargeInteger *freq G_GNUC_UNUSED)
  53 {
  54         return(FALSE);
  55 }
  56
  57 guint32 GetTickCount (void)
  58 {
  59         return mono_msec_ticks ();
  60 }