From: meowmeowmeowcat <meowmeowcat1211@gmail.com>
Date: Tue, 17 Aug 2021 22:55:04 +0000 (+0800)
Subject: bpo-44508: [Doc] Document failure mode for loop.call_soon_threadsafe (GH-27688)
X-Git-Tag: v3.11.0a1~390
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3240bc62f4e0afa09964f3afc845697f0a0806b9;p=thirdparty%2FPython%2Fcpython.git

bpo-44508: [Doc] Document failure mode for loop.call_soon_threadsafe (GH-27688)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
---

diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst
index 98ec65dde887..147fb2b9bf60 100644
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -216,6 +216,10 @@ Scheduling callbacks
    A thread-safe variant of :meth:`call_soon`.  Must be used to
    schedule callbacks *from another thread*.
 
+   Raises :exc:`RuntimeError` if called on a loop that's been closed.
+   This can happen on a secondary thread when the main application is
+   shutting down.
+
    See the :ref:`concurrency and multithreading <asyncio-multithreading>`
    section of the documentation.