instead of rounding towards zero, in select and selectors modules:
select.epoll.poll(), selectors.PollSelector.poll() and
selectors.EpollSelector.poll(). For example, a timeout of one microsecond
(1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to
zero.
Mention the change in Misc/NEWS.
Library
-------
+- Issue #20311, #20452: poll and epoll now round the timeout away from zero,
+ instead of rounding towards zero, in select and selectors modules:
+ select.epoll.poll(), selectors.PollSelector.poll() and
+ selectors.EpollSelector.poll(). For example, a timeout of one microsecond
+ (1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to
+ zero.
+
- asyncio: Some refactoring; add write flow control to unix pipes;
support wait_for(f, None); don't log broken/disconnected pipes; use
ValueError instead of assert for forbidden subprocess_{shell,exec}