Issue #22185: Fix an occasional RuntimeError in threading.Condition.wait() caused by mutation of the waiters queue without holding the lock.

Patch by Doug Zongker.

2 files changed, 5 insertions, 0 deletions

diff --git a/Misc/ACKS b/Misc/ACKS
index 4986dc6..5a388ff 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1500,4 +1500,5 @@ Cheng Zhang
 Kai Zhu
 Tarek Ziadé
 Gennadiy Zlobin
+Doug Zongker
 Peter Åstrand
diff --git a/Misc/NEWS b/Misc/NEWS
index 854fc73..ab5eee6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -27,6 +27,10 @@ Core and Builtins
 Library
 -------
 
+- Issue #22185: Fix an occasional RuntimeError in threading.Condition.wait()
+  caused by mutation of the waiters queue without holding the lock.  Patch
+  by Doug Zongker.
+
 - Issue #22182: Use e.args to unpack exceptions correctly in
   distutils.file_util.move_file. Patch by Claudiu Popa.