From fc4474e45eecbea8e88095f28c98c5d56438d841 Mon Sep 17 00:00:00 2001 From: Dong-hee Na Date: Thu, 18 Nov 2021 09:26:59 +0900 Subject: [PATCH] bpo-45429: Merge whatsnew about time.sleep (GH-29589) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Łukasz Langa --- Doc/library/time.rst | 8 ++++---- Doc/whatsnew/3.11.rst | 14 +++++++------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/Doc/library/time.rst b/Doc/library/time.rst index 0f880910c6e..622f66719ce 100644 --- a/Doc/library/time.rst +++ b/Doc/library/time.rst @@ -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 + `_ + 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. diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst index 0c7c74e7c32..06a24151c32 100644 --- a/Doc/whatsnew/3.11.rst +++ b/Doc/whatsnew/3.11.rst @@ -269,6 +269,7 @@ threading by system clock changes. (Contributed by Victor Stinner in :issue:`41710`.) + time ---- @@ -278,14 +279,13 @@ time of 1 microsecond (10\ :sup:`-6` seconds). (Contributed by Benjamin Szőke and Victor Stinner in :issue:`21302`.) -* On Windows, :func:`time.sleep` now uses a waitable timer which has a - resolution of 100 nanoseconds (10\ :sup:`-7` seconds). Previously, it had - a resolution of 1 millisecond (10\ :sup:`-3` seconds). - (Contributed by Benjamin Szőke and Victor Stinner in :issue:`21302`.) +* On Windows 8.1 and newer, :func:`time.sleep` now uses a waitable timer based + on `high-resolution timers + `_ + which has a resolution of 100 nanoseconds (10\ :sup:`-7` seconds). Previously, + it had a resolution of 1 millisecond (10\ :sup:`-3` seconds). + (Contributed by Benjamin Szőke, Dong-hee Na, Eryk Sun and Victor Stinner in :issue:`21302` and :issue:`45429`.) -* On Windows, :func:`time.sleep` now uses a waitable timer which supports high-resolution timers. - In Python 3.10, the best resolution was 1 ms, from Python 3.11 it's now smaller than 1 ms. - (Contributed by Dong-hee Na and Eryk Sun in :issue:`45429`.) unicodedata -----------