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bpo-45429: Merge whatsnew about time.sleep (GH-29589)

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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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Dong-hee Na 2021-11-18 09:26:59 +09:00 • committed by GitHub
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Doc/library/time.rst
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@ -362,7 +362,10 @@ Functions
On Windows, if *secs* is zero, the thread relinquishes the remainder of its
time slice to any other thread that is ready to run. If there are no other
threads ready to run, the function returns immediately, and the thread
continues execution.
continues execution. On Windows 8.1 and newer the implementation uses
a `high-resolution timer
<https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/high-resolution-timers>`_
which provides resolution of 100 nanoseconds. If *secs* is zero, ``Sleep(0)`` is used.
Unix implementation:
@ -370,9 +373,6 @@ Functions
* Or use ``nanosleep()`` if available (resolution: 1 nanosecond);
* Or use ``select()`` (resolution: 1 microsecond).
On Windows, a waitable timer is used (resolution: 100 nanosecond). If *secs* is
zero, ``Sleep(0)`` is used.
.. versionchanged:: 3.11
On Unix, the ``clock_nanosleep()`` and ``nanosleep()`` functions are now
used if available. On Windows, a waitable timer is now used.