zdoom-macos-deps/deps/wxwidgets/include/wx-3.1/wx/time.h

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