Commit Graph

304 Commits

Author SHA1 Message Date
Victor Stinner 869e1778c0 Issue #22117: Replace usage of _PyTime_ROUND_UP with _PyTime_ROUND_CEILING
All these functions only accept positive timeouts, so this change has no effect
in practice.
2015-03-30 03:49:14 +02:00
Victor Stinner ea9c0dd2c2 Issue #22117: Fix usage of _PyTime_AsTimeval()
Add _PyTime_AsTimeval_noraise() function. Call it when it's not possible (or
not useful) to raise a Python exception on overflow.
2015-03-30 02:51:13 +02:00
Victor Stinner 02937aab13 Issue #22117: Add the new _PyTime_ROUND_FLOOR rounding method for the datetime
module. time.clock_settime() now uses this rounding method instead of
_PyTime_ROUND_DOWN to handle correctly dates before 1970.
2015-03-28 05:02:39 +01:00
Victor Stinner b3b4544070 Issue #22117: Use the _PyTime_t API for time.clock_settime()
Remove also the now unused _PyTime_AddDouble() function.
2015-03-28 04:09:41 +01:00
Victor Stinner 95e9cef6f0 Issue #22117: Write unit tests for _PyTime_AsTimeval()
* _PyTime_AsTimeval() now ensures that tv_usec is always positive
* _PyTime_AsTimespec() now ensures that tv_nsec is always positive
* _PyTime_AsTimeval() now returns an integer on overflow instead of raising an
  exception
2015-03-28 01:26:47 +01:00
Victor Stinner a47b881d86 Issue #22117: time.time() now uses the new _PyTime_t API
* Add _PyTime_GetSystemClockWithInfo()
2015-03-27 18:16:17 +01:00
Victor Stinner 4bfb460d88 Issue #22117: time.monotonic() now uses the new _PyTime_t API
* Add _PyTime_FromNanoseconds()
* Add _PyTime_AsSecondsDouble()
* Add unit tests for _PyTime_AsSecondsDouble()
2015-03-27 22:27:24 +01:00
Victor Stinner 992c43fec9 Issue #22117: Fix rounding in _PyTime_FromSecondsObject()
* Rename _PyTime_FromObject() to _PyTime_FromSecondsObject()
* Add _PyTime_AsNanosecondsObject() and _testcapi.pytime_fromsecondsobject()
* Add unit tests
2015-03-27 17:12:45 +01:00
Victor Stinner cb29f0177c Issue #22117: Add a new Python timestamp format _PyTime_t to pytime.h
In practice, _PyTime_t is a number of nanoseconds. Its C type is a 64-bit
signed number. It's integer value is in the range [-2^63; 2^63-1]. In seconds,
the range is around [-292 years; +292 years]. In term of Epoch timestamp
(1970-01-01), it can store a date between 1677-09-21 and 2262-04-11.

The API has a resolution of 1 nanosecond and use integer number. With a
resolution on 1 nanosecond, 64-bit IEEE 754 floating point numbers loose
precision after 194 days. It's not the case with this API. The drawback is
overflow for values outside [-2^63; 2^63-1], but these values are unlikely for
most Python modules, except of the datetime module.

New functions:

- _PyTime_GetMonotonicClock()
- _PyTime_FromObject()
- _PyTime_AsMilliseconds()
- _PyTime_AsTimeval()

This change uses these new functions in time.sleep() to avoid rounding issues.

The new API will be extended step by step, and the old API will be removed step
by step. Currently, some code is duplicated just to be able to move
incrementally, instead of pushing a large change at once.
2015-03-27 13:31:18 +01:00
Victor Stinner 0eac13052c Issue #23646: Fix test_threading on Windows 2015-03-20 03:06:12 +01:00
Victor Stinner 9a8089b32a Issue #23646: Enhance precision of time.sleep() and socket timeout when
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.
2015-03-20 01:42:20 +01:00
Victor Stinner 79d68f929d Issue #23646: If time.sleep() is interrupted by a signal, the sleep is now
retried with the recomputed delay, except if the signal handler raises an
exception (PEP 475).

Modify also test_signal to use a monotonic clock instead of the system clock.
2015-03-19 21:54:09 +01:00
Victor Stinner 0c2fd89777 Revert changeset d927047b1d8eb87738676980a24930d053ba2150
Sorry, it was a mistake, the patch is still under review: issue #23646.
2015-03-17 10:49:17 +01:00
Victor Stinner 945c82eea3 test 2015-03-12 16:19:01 +01:00
Steve Dower 65e4cb10d9 Issue #22919: Windows build updated to support VC 14.0 (Visual Studio 2015), which will be used for the official 3.5 release. 2014-11-22 12:54:57 -08:00
Victor Stinner f427a14156 Issue #22592: Drop support of the Borland C compiler to build Python
The distutils module still supports it to build extensions.
2014-10-22 12:33:23 +02:00
Victor Stinner ae58649721 Issue #22043: time.monotonic() is now always available
threading.Lock.acquire(), threading.RLock.acquire() and socket operations now
use a monotonic clock, instead of the system clock, when a timeout is used.
2014-09-02 23:18:25 +02:00
Victor Stinner 67ca33dbf4 Issue #22043: Oops, fix perf_counter() on UNIX if no monotonic clock is
available (unlikely)
2014-08-29 17:00:17 +02:00
Victor Stinner 5488449ba4 Issue #22043: Simplify time.perf_counter() on Windows
QueryPerformanceFrequency() cannot fail on Windows XP and later according to
its documentation: raise an exception on error and drop the fallback to the
system clock.
2014-08-29 16:51:33 +02:00
Victor Stinner 0011124dc2 Issue #22043: _PyTime_Init() now checks if the system clock works.
Other changes:

* The whole _PyTime API is private (not defined if Py_LIMITED_API is set)
* _PyTime_gettimeofday_info() also returns -1 on error
* Simplify PyTime_gettimeofday(): only use clock_gettime(CLOCK_REALTIME) or
  gettimeofday() on UNIX. Don't fallback to ftime() or time() anymore.
2014-08-29 16:31:59 +02:00
Victor Stinner 7efb83393c Issue #22287: On UNIX, _PyTime_gettimeofday() now uses
clock_gettime(CLOCK_REALTIME) if available. As a side effect, Python now
depends on the librt library on Solaris and on Linux (only with glibc older
than 2.17).
2014-08-29 15:41:08 +02:00
Victor Stinner a734af3f39 timemodule.c: Replace PyExc_IOError with PyExc_OSError 2014-07-31 13:07:17 +02:00
Victor Stinner 1ac42614e3 Issue #19748: On AIX, time.mktime() now raises an OverflowError for year
outsize range [1902; 2037].
2014-02-21 09:27:17 +01:00
Victor Stinner 3c1b379ebd Issue #20320: select.select() and select.kqueue.control() now round the timeout
aways from zero, instead of rounding towards zero.

It should make test_asyncio more reliable, especially test_timeout_rounding() test.
2014-02-17 00:02:43 +01:00
Victor Stinner 93965f7a6b Issue #19634: time.strftime("%y") now raises a ValueError on Solaris when given
a year before 1900.
2013-11-23 14:59:33 +01:00
Victor Stinner 136f064b93 Issue #19634: Fix time_strftime() on AIX, format is a wchar_t* not a PyObject* 2013-11-18 02:43:29 +01:00
Victor Stinner 55329f8fbd Issue #19634: time.strftime("%y") now raises a ValueError on AIX when given a
year before 1900.
2013-11-17 23:39:21 +01:00
Tim Golden bbe268f583 Issue13674 Correct crash with strftime %y format under Windows 2013-11-12 12:48:20 +00:00
Tim Golden 6e51b8ff0f Issue13674 Correct crash with strftime %y format under Windows 2013-11-12 12:36:54 +00:00
Victor Stinner 1c8f059019 Issue #18520: Add a new PyStructSequence_InitType2() function, same than
PyStructSequence_InitType() except that it has a return value (0 on success,
-1 on error).

 * PyStructSequence_InitType2() now raises MemoryError on memory allocation failure
 * Fix also some calls to PyDict_SetItemString(): handle error
2013-07-22 22:24:54 +02:00
Victor Stinner 2ff51b83b8 Issue #18408: Fix time.tzset(), detect exception when calling PyInit_timezone() 2013-07-17 21:42:45 +02:00
Victor Stinner 93037498d1 Fix time.mktime() and datetime.datetime.timestamp() on AIX
On AIX, the C function mktime() alwaysd sets tm_wday, even on error. So tm_wday
cannot be used as a sentinel to detect an error, we can only check if the
result is (time_t)-1.
2013-06-25 22:54:35 +02:00
Victor Stinner d7a034bd75 (Merge 3.3) Fix time.strftime("%Y") on AIX: raise a ValueError for year > 9999
time.strtime("%Y") returned "2345" when formatting year 12345.
2013-06-25 02:34:13 +02:00
Victor Stinner 36b82d85a3 Fix time.strftime("%Y") on AIX: raise a ValueError for year > 9999
time.strtime("%Y") returned "2345" when formatting year 12345.
2013-06-25 02:33:53 +02:00
Richard Oudkerk 245bbee0d5 Merge. 2013-04-17 21:24:58 +01:00
Antoine Pitrou cf8a1e51ec - Issue #17782: Fix undefined behaviour on platforms where ``struct timespec``'s "tv_nsec" member is not a C long. 2013-04-17 22:06:44 +02:00
Martin v. Löwis b26a9b10ea Replace WaitForSingleObject with WaitForSingleObjectEx,
for better WinRT compatibility.
2013-01-25 14:25:48 +01:00
Jesus Cea 14c81aba50 #16135: Removal of OS/2 support (Modules/*) 2012-10-05 02:11:36 +02:00
Alexander Belopolsky cf77454908 Issue #9650: List commonly used format codes in time.strftime and time.strptime docsttings. 2012-10-02 18:39:16 -04:00
Alexander Belopolsky c142bba2a7 Issue #1667546: On platforms supporting tm_zone and tm_gmtoff fields
in struct tm, time.struct_time objects returned by time.gmtime(),
time.localtime() and time.strptime() functions now have tm_zone and
tm_gmtoff attributes.  Original patch by Paul Boddie.
2012-06-13 22:15:26 -04:00
Victor Stinner 2b89fdf7eb PEP 418: Rename adjusted attribute to adjustable in time.get_clock_info() result
Fix also its value on Windows and Linux according to its documentation:
"adjustable" indicates if the clock *can be* adjusted, not if it is or was
adjusted.

In most cases, it is not possible to indicate if a clock is or was adjusted.
2012-06-12 22:46:37 +02:00
Victor Stinner bda4b8802c time.get_clock_info() uses a namespace instead of structseq 2012-06-12 22:11:44 +02:00
Alexander Belopolsky d9738242f8 Fixed a typo in time_localtime() 2012-06-12 16:14:17 -04:00
Benjamin Peterson 49a69e4d48 strip is_ prefixes on clock_info fields 2012-05-01 09:38:34 -04:00
Victor Stinner ec89539ccc Issue #14428, #14397: Implement the PEP 418
* Rename time.steady() to time.monotonic()
 * On Windows, time.monotonic() uses GetTickCount/GetTickCount64() instead of
   QueryPerformanceCounter()
 * time.monotonic() uses CLOCK_HIGHRES if available
 * Add time.get_clock_info(), time.perf_counter() and time.process_time()
   functions
2012-04-29 02:41:27 +02:00
Victor Stinner b8d016955a Fix clock_gettime/getres/settime: PyArg_ParseTuple() expects an int
Only use a single #ifdef for the 3 functions.
2012-04-13 23:44:05 +02:00
Victor Stinner 30d79471bb Expose clock_settime() as time.clock_settime() 2012-04-03 00:45:07 +02:00
Victor Stinner 1470f35bc6 Add time.CLOCK_HIGHRES constant, needed on Solaris 2012-04-03 00:31:17 +02:00
Victor Stinner ad95c2d25c time.time() now uses clock_gettime(CLOCK_REALTIME) if available
clock_gettime(CLOCK_REALTIME) has a better resolution than gettimeofday().
time.time() falls back on gettimeofday() (and then on other functions) on
error.
2012-03-28 02:54:15 +02:00
Victor Stinner 74eb6c0e8b Document the fact that mach_timebase_info() cannot fail
And call mach_absolute_time() after mach_timebase_info().
2012-03-28 02:50:46 +02:00