From: Markus Mohrhard <markusm@dug.com>
Date: Thu, 27 Feb 2020 20:01:47 +0000 (+0800)
Subject: bpo-39609: set the thread_name_prefix for the default asyncio executor (GH-18458)
X-Git-Tag: v3.9.0a5~230
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=374d998b507d34a6c0a3816a163926a8ba0c483f;p=thirdparty%2FPython%2Fcpython.git

bpo-39609: set the thread_name_prefix for the default asyncio executor (GH-18458)



Just a small debugging improvement to identify the asyncio executor threads.
---

diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index d78724b01537..b2d446a51fed 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -806,7 +806,9 @@ class BaseEventLoop(events.AbstractEventLoop):
             # Only check when the default executor is being used
             self._check_default_executor()
             if executor is None:
-                executor = concurrent.futures.ThreadPoolExecutor()
+                executor = concurrent.futures.ThreadPoolExecutor(
+                    thread_name_prefix='asyncio'
+                )
                 self._default_executor = executor
         return futures.wrap_future(
             executor.submit(func, *args), loop=self)
diff --git a/Misc/NEWS.d/next/Library/2020-02-11-19-45-31.bpo-39609.dk40Uw.rst b/Misc/NEWS.d/next/Library/2020-02-11-19-45-31.bpo-39609.dk40Uw.rst
new file mode 100644
index 000000000000..233fad3e763d
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-02-11-19-45-31.bpo-39609.dk40Uw.rst
@@ -0,0 +1 @@
+Add thread_name_prefix to default asyncio executor