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 c53092f6e34b322922fee78a036487048bfb652f..38fcaed48fa9fb608cb6be7a95dcb5b45be37de8 100644 (file)
--- 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