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.
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Victor Stinner 2018-12-17 12:12:34 +01:00 committed by GitHub
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@ -293,17 +293,9 @@ Functions
The reference point of the returned value is undefined, so that only the The reference point of the returned value is undefined, so that only the
difference between the results of consecutive calls is valid. 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 .. versionadded:: 3.3
.. versionchanged:: 3.5 .. versionchanged:: 3.5
The function is now always available. The function is now always available and always system-wide.
.. function:: monotonic_ns() -> int .. function:: monotonic_ns() -> int