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77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/time.h
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// Purpose: Miscellaneous time-related functions.
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// Author: Vadim Zeitlin
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// Created: 2011-11-26
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// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_TIME_H_
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#define _WX_TIME_H_
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#include "wx/longlong.h"
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// Returns the difference between UTC and local time in seconds.
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WXDLLIMPEXP_BASE int wxGetTimeZone();
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// Get number of seconds since local time 00:00:00 Jan 1st 1970.
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extern long WXDLLIMPEXP_BASE wxGetLocalTime();
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// Get number of seconds since GMT 00:00:00, Jan 1st 1970.
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extern long WXDLLIMPEXP_BASE wxGetUTCTime();
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#if wxUSE_LONGLONG
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typedef wxLongLong wxMilliClock_t;
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inline long wxMilliClockToLong(wxLongLong ll) { return ll.ToLong(); }
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#else
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typedef double wxMilliClock_t;
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inline long wxMilliClockToLong(double d) { return wx_truncate_cast(long, d); }
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#endif // wxUSE_LONGLONG
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// Get number of milliseconds since local time 00:00:00 Jan 1st 1970
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extern wxMilliClock_t WXDLLIMPEXP_BASE wxGetLocalTimeMillis();
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#if wxUSE_LONGLONG
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// Get the number of milliseconds or microseconds since the Epoch.
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wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeMillis();
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wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeUSec();
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#endif // wxUSE_LONGLONG
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#define wxGetCurrentTime() wxGetLocalTime()
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// on some really old systems gettimeofday() doesn't have the second argument,
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// define wxGetTimeOfDay() to hide this difference
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#ifdef HAVE_GETTIMEOFDAY
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#ifdef WX_GETTIMEOFDAY_NO_TZ
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#define wxGetTimeOfDay(tv) gettimeofday(tv)
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#else
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#define wxGetTimeOfDay(tv) gettimeofday((tv), NULL)
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#endif
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#endif // HAVE_GETTIMEOFDAY
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/* Two wrapper functions for thread safety */
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#ifdef HAVE_LOCALTIME_R
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#define wxLocaltime_r localtime_r
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#else
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WXDLLIMPEXP_BASE struct tm *wxLocaltime_r(const time_t*, struct tm*);
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#if wxUSE_THREADS && !defined(__WINDOWS__)
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// On Windows, localtime _is_ threadsafe!
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#warning using pseudo thread-safe wrapper for localtime to emulate localtime_r
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#endif
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#endif
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#ifdef HAVE_GMTIME_R
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#define wxGmtime_r gmtime_r
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#else
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WXDLLIMPEXP_BASE struct tm *wxGmtime_r(const time_t*, struct tm*);
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#if wxUSE_THREADS && !defined(__WINDOWS__)
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// On Windows, gmtime _is_ threadsafe!
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#warning using pseudo thread-safe wrapper for gmtime to emulate gmtime_r
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#endif
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#endif
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#endif // _WX_TIME_H_
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