/src/wxwidgets/include/wx/time.h
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1 | | /////////////////////////////////////////////////////////////////////////////// |
2 | | // Name: wx/time.h |
3 | | // Purpose: Miscellaneous time-related functions. |
4 | | // Author: Vadim Zeitlin |
5 | | // Created: 2011-11-26 |
6 | | // Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org> |
7 | | // Licence: wxWindows licence |
8 | | /////////////////////////////////////////////////////////////////////////////// |
9 | | |
10 | | #ifndef _WX_TIME_H_ |
11 | | #define _WX_TIME_H_ |
12 | | |
13 | | #include "wx/longlong.h" |
14 | | |
15 | | // Returns the difference between UTC and local time in seconds. |
16 | | WXDLLIMPEXP_BASE int wxGetTimeZone(); |
17 | | |
18 | | // Get number of seconds since local time 00:00:00 Jan 1st 1970. |
19 | | extern long WXDLLIMPEXP_BASE wxGetLocalTime(); |
20 | | |
21 | | // Get number of seconds since GMT 00:00:00, Jan 1st 1970. |
22 | | extern long WXDLLIMPEXP_BASE wxGetUTCTime(); |
23 | | |
24 | | typedef wxLongLong wxMilliClock_t; |
25 | 0 | inline long wxMilliClockToLong(wxLongLong ll) { return ll.ToLong(); } |
26 | | |
27 | | // Get number of milliseconds since local time 00:00:00 Jan 1st 1970 |
28 | | extern wxMilliClock_t WXDLLIMPEXP_BASE wxGetLocalTimeMillis(); |
29 | | |
30 | | // Get the number of milliseconds or microseconds since the Epoch. |
31 | | wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeMillis(); |
32 | | wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeUSec(); |
33 | | |
34 | | #define wxGetCurrentTime() wxGetLocalTime() |
35 | | |
36 | | // on some really old systems gettimeofday() doesn't have the second argument, |
37 | | // define wxGetTimeOfDay() to hide this difference |
38 | | #ifdef HAVE_GETTIMEOFDAY |
39 | | #ifdef WX_GETTIMEOFDAY_NO_TZ |
40 | | #define wxGetTimeOfDay(tv) gettimeofday(tv) |
41 | | #else |
42 | 0 | #define wxGetTimeOfDay(tv) gettimeofday((tv), nullptr) |
43 | | #endif |
44 | | #endif // HAVE_GETTIMEOFDAY |
45 | | |
46 | | /* Two wrapper functions for thread safety */ |
47 | | #ifdef HAVE_LOCALTIME_R |
48 | 8.26k | #define wxLocaltime_r localtime_r |
49 | | #else |
50 | | WXDLLIMPEXP_BASE struct tm *wxLocaltime_r(const time_t*, struct tm*); |
51 | | #if wxUSE_THREADS && !defined(__WINDOWS__) |
52 | | // On Windows, localtime _is_ threadsafe! |
53 | | #warning using pseudo thread-safe wrapper for localtime to emulate localtime_r |
54 | | #endif |
55 | | #endif |
56 | | |
57 | | #ifdef HAVE_GMTIME_R |
58 | 0 | #define wxGmtime_r gmtime_r |
59 | | #else |
60 | | WXDLLIMPEXP_BASE struct tm *wxGmtime_r(const time_t*, struct tm*); |
61 | | #if wxUSE_THREADS && !defined(__WINDOWS__) |
62 | | // On Windows, gmtime _is_ threadsafe! |
63 | | #warning using pseudo thread-safe wrapper for gmtime to emulate gmtime_r |
64 | | #endif |
65 | | #endif |
66 | | |
67 | | #endif // _WX_TIME_H_ |