-#if defined(__MINGW32__)
- time_t t0;
- struct tm *tp;
- time(&t0);
- tp = localtime(&t0);
-# if __GNUC__ == 2 && __GNUC_MINOR__ <= 8
- // gcc 2.8.x or earlier
- timeb tz;
- ftime(& tz);
- *timeZone = tz._timezone;
-# else
- // egcs or gcc 2.95
- *timeZone = _timezone; // tp->tm_gmtoff; // ???
-# endif
- *dstObserved = tp->tm_isdst;
-#else
-// not mingw32...
-#if (((defined(__SYSV__) && !defined(__HPUX__)) || defined(__MSDOS__) || defined(__WXMSW__) || defined(__WXPM__)) \
- && !defined(__GNUWIN32__) && !defined(__MWERKS__) )
-# if defined(__BORLANDC__)
- /* Borland uses underscores */
- *timeZone = _timezone;
- *dstObserved = _daylight;
-# elif defined(__SALFORDC__)
- *timeZone = _timezone;
- *dstObserved = daylight;
-# elif defined(__VISAGECPP__)
- *timeZone = _timezone;
- *dstObserved = daylight;
-# else
- *timeZone = timezone;
- *dstObserved = daylight;
-# endif
-#elif defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) || defined(__MWERKS__) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) // || defined(__AIXV3__)
-# ifndef __MWERKS__ // shouldn't this be one scope below ?
- struct timeval tp;
-# endif
-# if defined(__SYSV__) || (defined(__GNUWIN32__) && !defined(__MINGW32))
- struct timezone tz;
- gettimeofday(&tp, &tz);
- *timeZone = 60*(tz.tz_minuteswest);
- *dstObserved = tz.tz_dsttime;
-# else
- time_t t0;
- struct tm *tp;
- time(&t0);
- tp = localtime(&t0);
-# ifndef __MWERKS__
- *timeZone = tp->tm_gmtoff; // ???
-# else
- *timeZone = 0 ;
-# endif
- *dstObserved = tp->tm_isdst;
-#endif
-#elif defined(__WXSTUBS__)
- return FALSE;
-#else
-// #error wxGetLocalTime not implemented.
- struct timeval tp;
- struct timezone tz;
- gettimeofday(&tp, &tz);
- *timeZone = 60*(tz.tz_minuteswest);
- *dstObserved = tz.tz_dsttime;
-#endif
+ wxLongLong val = 1000l;
+
+ // If possible, use a function which avoids conversions from
+ // broken-up time structures to milliseconds
+
+#if defined(__WXMSW__) && defined(__MWERKS__)
+ // This should probably be the way all WXMSW compilers should do it
+ // Go direct to the OS for time
+
+ SYSTEMTIME thenst = { 1970, 1, 4, 1, 0, 0, 0, 0 }; // 00:00:00 Jan 1st 1970
+ FILETIME thenft;
+ SystemTimeToFileTime( &thenst, &thenft );
+ wxLongLong then( thenft.dwHighDateTime, thenft.dwLowDateTime ); // time in 100 nanoseconds
+
+ SYSTEMTIME nowst;
+ GetLocalTime( &nowst );
+ FILETIME nowft;
+ SystemTimeToFileTime( &nowst, &nowft );
+ wxLongLong now( nowft.dwHighDateTime, nowft.dwLowDateTime ); // time in 100 nanoseconds
+
+ return ( now - then ) / 10000.0; // time from 00:00:00 Jan 1st 1970 to now in milliseconds
+
+#elif defined(HAVE_GETTIMEOFDAY)
+ struct timeval tp;
+ if ( wxGetTimeOfDay(&tp, (struct timezone *)NULL) != -1 )
+ {
+ val *= tp.tv_sec;
+ return (val + (tp.tv_usec / 1000));
+ }
+ else
+ {
+ wxLogError(_("wxGetTimeOfDay failed."));
+ return 0;
+ }
+#elif defined(HAVE_FTIME)
+ struct timeb tp;
+
+ // ftime() is void and not int in some mingw32 headers, so don't
+ // test the return code (well, it shouldn't fail anyhow...)
+ (void)ftime(&tp);
+ val *= tp.time;
+ return (val + tp.millitm);
+#elif defined(__WXMAC__)
+
+ static UInt64 gMilliAtStart = 0;
+
+ Nanoseconds upTime = AbsoluteToNanoseconds( UpTime() );
+
+ if ( gMilliAtStart == 0 )
+ {
+ time_t start = time(NULL);
+ gMilliAtStart = ((UInt64) start) * 1000000L;
+ gMilliAtStart -= upTime.lo / 1000 ;
+ gMilliAtStart -= ( ( (UInt64) upTime.hi ) << 32 ) / (1000 * 1000);
+ }
+
+ UInt64 millival = gMilliAtStart;
+ millival += upTime.lo / (1000 * 1000);
+ millival += ( ( (UInt64) upTime.hi ) << 32 ) / (1000 * 1000);
+ val = millival;
+
+ return val;
+#else // no gettimeofday() nor ftime()
+ // We use wxGetLocalTime() to get the seconds since
+ // 00:00:00 Jan 1st 1970 and then whatever is available
+ // to get millisecond resolution.
+ //
+ // NOTE that this might lead to a problem if the clocks
+ // use different sources, so this approach should be
+ // avoided where possible.
+
+ val *= wxGetLocalTime();
+
+// GRG: This will go soon as all WIN32 seem to have ftime
+#if defined (__WIN32__)
+ // If your platform/compiler needs to use two different functions
+ // to get ms resolution, please do NOT just shut off these warnings,
+ // drop me a line instead at <guille@iies.es>
+ #warning "Possible clock skew bug in wxGetLocalTimeMillis()!"
+
+ SYSTEMTIME st;
+ ::GetLocalTime(&st);
+ val += st.wMilliseconds;
+#else // !Win32
+ // If your platform/compiler does not support ms resolution please
+ // do NOT just shut off these warnings, drop me a line instead at
+ // <guille@iies.es>
+
+ #if defined(__VISUALC__) || defined (__WATCOMC__)
+ #pragma message("wxStopWatch will be up to second resolution!")
+ #elif defined(__BORLANDC__)
+ #pragma message "wxStopWatch will be up to second resolution!"
+ #else
+ #warning "wxStopWatch will be up to second resolution!"
+ #endif // compiler
projects / wxWidgets.git / blobdiff