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Issue #23646: Enhance precision of time.sleep() and socket timeout when

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interrupted by a signal

Add a new _PyTime_AddDouble() function and remove _PyTime_ADD_SECONDS() macro.
The _PyTime_ADD_SECONDS only supported an integer number of seconds, the
_PyTime_AddDouble() has subsecond resolution.
This commit is contained in:
Victor Stinner 2015-03-20 01:42:20 +01:00
parent 4fa99cdb4c
commit 9a8089b32a
5 changed files with 27 additions and 15 deletions
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17
Python/pytime.c
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@ -367,6 +367,23 @@ _PyTime_ObjectToTimeval(PyObject *obj, time_t *sec, long *usec,
return _PyTime_ObjectToDenominator(obj, sec, usec, 1e6, round);
}
void
_PyTime_AddDouble(_PyTime_timeval *tv, double interval, _PyTime_round_t round)
{
_PyTime_timeval tv2;
double frac;
frac = fmod(interval, 1.0);
interval = floor(interval);
tv2.tv_sec = (long)interval;
tv2.tv_usec = (long)(frac*1e6);
tv->tv_sec += tv2.tv_sec;
tv->tv_usec += tv2.tv_usec;
tv->tv_sec += (time_t)(tv->tv_usec / 1000000);
tv->tv_usec %= 1000000;
}
int
_PyTime_Init(void)
{