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bpo-23451: Update time.monotonic() documentation (GH-11190) 

bpo-23451, bpo-22117: Python 3.5 requires Windows Vista or newer,
time.monotonic() is now always system-wide.
(cherry picked from commit 3ab064e80a)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
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Miss Islington (bot) 2018-12-17 03:31:03 -08:00 committed by GitHub
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Doc/library/time.rst
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@ -293,17 +293,9 @@ Functions
The reference point of the returned value is undefined, so that only the
difference between the results of consecutive calls is valid.
On Windows versions older than Vista, :func:`monotonic` detects
:c:func:`GetTickCount` integer overflow (32 bits, roll-over after 49.7 days).
It increases an internal epoch (reference time) by 2\ :sup:`32` each time
that an overflow is detected. The epoch is stored in the process-local state
and so the value of :func:`monotonic` may be different in two Python
processes running for more than 49 days. On more recent versions of Windows
and on other operating systems, :func:`monotonic` is system-wide.
.. versionadded:: 3.3
.. versionchanged:: 3.5
The function is now always available.
The function is now always available and always system-wide.
.. function:: monotonic_ns() -> int