/usr/include/wvstreams/wvtimeutils.h is in libwvstreams-dev 4.6.1-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | /* -*- Mode: C++ -*-
* Worldvisions Weaver Software:
* Copyright (C) 1997-2002 Net Integration Technologies, Inc.
*/
#ifndef __WVTIMEUTILS_H
#define __WVTIMEUTILS_H
#ifdef _WIN32
#include "winsock2.h"
#include <time.h>
int gettimeofday(struct timeval *tv, struct timezone *tz);
#else
#include <sys/time.h>
#endif
/** Based on (and interchangeable with) struct timeval. */
class WvTime : public timeval
{
public:
WvTime()
{ } // WARNING: leaves members uninitialized, like timeval would do!
WvTime(long long t)
{ tv_sec = long(t/1000000L); tv_usec = long(t%1000000L); }
WvTime(time_t sec, time_t usec)
{ tv_sec = long(sec); tv_usec = long(usec); }
WvTime(const struct timeval &tv)
{ tv_sec = tv.tv_sec; tv_usec = tv.tv_usec; }
WvTime(const WvTime &tv)
{ tv_sec = tv.tv_sec; tv_usec = tv.tv_usec; }
operator long long() const
{ return ((long long)tv_sec)*1000000LL + tv_usec; }
};
static const WvTime wvtime_zero(0, 0);
/** Returns the number of milliseconds between times a and b (ie a-b).
* Value returned is not rounded, it is chopped via integer division
* For example: if the result of the subtraction is 0.9, the returned
* value is 0 if the result is -0.9, the result is also 0.
*/
time_t msecdiff(const WvTime &a, const WvTime &b);
/** Returns the current time of day. */
WvTime wvtime();
/** Adds the specified number of milliseconds to a time value. */
WvTime msecadd(const WvTime &a, time_t msec);
/** Returns the timeval difference between two timevals (ie a-b). */
WvTime tvdiff(const WvTime &a, const WvTime &b);
/** Normalizes the time value.
* This means that any two 'equally valued' timevals will be converted
* so that the seconds and the microseconds are the same in each timeval.
*/
inline void normalize(WvTime &tv)
{
tv.tv_sec += tv.tv_usec < 0 ? (tv.tv_usec/1000000)-1 : tv.tv_usec/1000000;
tv.tv_usec %= 1000000;
tv.tv_usec += tv.tv_usec < 0 ? 1000000 : 0;
}
// Stepped time functions. Used to synchronize wvstreams.
const WvTime &wvstime();
void wvstime_sync();
// This function is just like wvstime_sync(), but will never make the
// time go backward.
void wvstime_sync_forward();
// This sets the time returned by wvstime() to the specified value. To
// be used for unit testing.
void wvstime_set(const WvTime &);
/**
* Delay for a requested number of milliseconds.
*/
void wvdelay(int msec_delay);
#endif // __WVTIMEUTILS_H
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