| | 1 | /////////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/time.h |
| | 3 | // Purpose: Miscellaneous time-related functions. |
| | 4 | // Author: Vadim Zeitlin |
| | 5 | // Created: 2011-11-26 |
| | 6 | // RCS-ID: $Id: wxhead.h,v 1.12 2010-04-22 12:44:51 zeitlin Exp $ |
| | 7 | // Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org> |
| | 8 | // Licence: wxWindows licence |
| | 9 | /////////////////////////////////////////////////////////////////////////////// |
| | 10 | |
| | 11 | #ifndef _WX_TIME_H_ |
| | 12 | #define _WX_TIME_H_ |
| | 13 | |
| | 14 | #include "wx/longlong.h" |
| | 15 | |
| | 16 | // Returns the difference between UTC and local time in seconds. |
| | 17 | WXDLLIMPEXP_BASE int wxGetTimeZone(); |
| | 18 | |
| | 19 | // Get number of seconds since local time 00:00:00 Jan 1st 1970. |
| | 20 | extern long WXDLLIMPEXP_BASE wxGetLocalTime(); |
| | 21 | |
| | 22 | // Get number of seconds since GMT 00:00:00, Jan 1st 1970. |
| | 23 | extern long WXDLLIMPEXP_BASE wxGetUTCTime(); |
| | 24 | |
| | 25 | #if wxUSE_LONGLONG |
| | 26 | typedef wxLongLong wxMilliClock_t; |
| | 27 | inline long wxMilliClockToLong(wxLongLong ll) { return ll.ToLong(); } |
| | 28 | #else |
| | 29 | typedef double wxMilliClock_t; |
| | 30 | inline long wxMilliClockToLong(double d) { return wx_truncate_cast(long, d); } |
| | 31 | #endif // wxUSE_LONGLONG |
| | 32 | |
| | 33 | // Get number of milliseconds since local time 00:00:00 Jan 1st 1970 |
| | 34 | extern wxMilliClock_t WXDLLIMPEXP_BASE wxGetLocalTimeMillis(); |
| | 35 | |
| | 36 | #if wxUSE_LONGLONG |
| | 37 | |
| | 38 | // Get the number of milliseconds or microseconds since the Epoch. |
| | 39 | wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeMillis(); |
| | 40 | wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeUSec(); |
| | 41 | |
| | 42 | #endif // wxUSE_LONGLONG |
| | 43 | |
| | 44 | #define wxGetCurrentTime() wxGetLocalTime() |
| | 45 | |
| | 46 | // on some really old systems gettimeofday() doesn't have the second argument, |
| | 47 | // define wxGetTimeOfDay() to hide this difference |
| | 48 | #ifdef HAVE_GETTIMEOFDAY |
| | 49 | #ifdef WX_GETTIMEOFDAY_NO_TZ |
| | 50 | #define wxGetTimeOfDay(tv) gettimeofday(tv) |
| | 51 | #else |
| | 52 | #define wxGetTimeOfDay(tv) gettimeofday((tv), NULL) |
| | 53 | #endif |
| | 54 | #endif // HAVE_GETTIMEOFDAY |
| | 55 | |
| | 56 | /* Two wrapper functions for thread safety */ |
| | 57 | #ifdef HAVE_LOCALTIME_R |
| | 58 | #define wxLocaltime_r localtime_r |
| | 59 | #else |
| | 60 | WXDLLIMPEXP_BASE struct tm *wxLocaltime_r(const time_t*, struct tm*); |
| | 61 | #if wxUSE_THREADS && !defined(__WINDOWS__) && !defined(__WATCOMC__) |
| | 62 | // On Windows, localtime _is_ threadsafe! |
| | 63 | #warning using pseudo thread-safe wrapper for localtime to emulate localtime_r |
| | 64 | #endif |
| | 65 | #endif |
| | 66 | |
| | 67 | #ifdef HAVE_GMTIME_R |
| | 68 | #define wxGmtime_r gmtime_r |
| | 69 | #else |
| | 70 | WXDLLIMPEXP_BASE struct tm *wxGmtime_r(const time_t*, struct tm*); |
| | 71 | #if wxUSE_THREADS && !defined(__WINDOWS__) && !defined(__WATCOMC__) |
| | 72 | // On Windows, gmtime _is_ threadsafe! |
| | 73 | #warning using pseudo thread-safe wrapper for gmtime to emulate gmtime_r |
| | 74 | #endif |
| | 75 | #endif |
| | 76 | |
| | 77 | #endif // _WX_TIME_H_ |
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