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Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API

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exposed in Python.h.  This function is similar to POSIX
gettimeofday(struct timeval *tp), but available on platforms without
gettimeofday().
This commit is contained in:
Alexander Belopolsky 2010-08-05 17:34:27 +00:00
parent 1c5471f319
commit 6fc4ade2bb
8 changed files with 150 additions and 85 deletions
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33
Modules/_datetimemodule.c
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@ -8,7 +8,7 @@
#include <time.h>
#include "timefuncs.h"
#include "_time.h"
/* Differentiate between building the core module and building extension
* modules.
@ -4166,37 +4166,10 @@ datetime_from_timestamp(PyObject *cls, TM_FUNC f, double timestamp,
static PyObject *
datetime_best_possible(PyObject *cls, TM_FUNC f, PyObject *tzinfo)
{
#ifdef HAVE_GETTIMEOFDAY
struct timeval t;
#ifdef GETTIMEOFDAY_NO_TZ
gettimeofday(&t);
#else
gettimeofday(&t, (struct timezone *)NULL);
#endif
_PyTime_timeval t;
_PyTime_gettimeofday(&t);
return datetime_from_timet_and_us(cls, f, t.tv_sec, (int)t.tv_usec,
tzinfo);
#else /* ! HAVE_GETTIMEOFDAY */
/* No flavor of gettimeofday exists on this platform. Python's
* time.time() does a lot of other platform tricks to get the
* best time it can on the platform, and we're not going to do
* better than that (if we could, the better code would belong
* in time.time()!) We're limited by the precision of a double,
* though.
*/
PyObject *time;
double dtime;
time = time_time();
if (time == NULL)
return NULL;
dtime = PyFloat_AsDouble(time);
Py_DECREF(time);
if (dtime == -1.0 && PyErr_Occurred())
return NULL;
return datetime_from_timestamp(cls, f, dtime, tzinfo);
#endif /* ! HAVE_GETTIMEOFDAY */
}
/* Return best possible local time -- this isn't constrained by the