From: Victor Stinner <vstinner@python.org>
Date: Tue, 11 Nov 2025 04:59:16 +0000 (+0100)
Subject: gh-140485: Catch ChildProcessError in multiprocessing resource tracker (GH-141132)
X-Git-Tag: v3.15.0a2~117
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9cb8c52d5e9a83efe4fa3878db06befd9df52f54;p=thirdparty%2FPython%2Fcpython.git

gh-140485: Catch ChildProcessError in multiprocessing resource tracker (GH-141132)
---

diff --git a/Lib/multiprocessing/resource_tracker.py b/Lib/multiprocessing/resource_tracker.py
index c53092f6e34b..38fcaed48fa9 100644
--- a/Lib/multiprocessing/resource_tracker.py
+++ b/Lib/multiprocessing/resource_tracker.py
@@ -111,7 +111,12 @@ class ResourceTracker(object):
         close(self._fd)
         self._fd = None
 
-        _, status = waitpid(self._pid, 0)
+        try:
+            _, status = waitpid(self._pid, 0)
+        except ChildProcessError:
+            self._pid = None
+            self._exitcode = None
+            return
 
         self._pid = None