[issue14308] '_DummyThread' object has no attribute '_Thread__block'

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Ok, could you try applying the following patch to threading.py?


diff --git a/Lib/threading.py b/Lib/threading.py
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -887,7 +887,7 @@ def _after_fork():
                 ident = _get_ident()
                 thread._Thread__ident = ident
                 new_active[ident] = thread
-            else:
+            elif not isinstance(thread, _DummyThread):
                 # All the others are already stopped.
                 thread._Thread__stop()

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<http://bugs.python.org/issue14308>
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