From dc6763b567d3dc35467e3be4b01ae5d6c27d9c1b Mon Sep 17 00:00:00 2001 From: Ezio Melotti Date: Mon, 11 Mar 2013 21:39:18 +0200 Subject: [PATCH] #17395: wait for live children in test_multiprocessing. --- Lib/test/test_multiprocessing.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py index 53c8c1fdb40..6cda4fa3c80 100644 --- a/Lib/test/test_multiprocessing.py +++ b/Lib/test/test_multiprocessing.py @@ -2998,7 +2998,13 @@ class ManagerMixin(object): @classmethod def tearDownClass(cls): - multiprocessing.active_children() # discard dead process objs + # only the manager process should be returned by active_children() + # but this can take a bit on slow machines, so wait a few seconds + # if there are other children too (see #17395) + t = 0.01 + while len(multiprocessing.active_children()) > 1 and t < 5: + time.sleep(t) + t *= 2 gc.collect() # do garbage collection if cls.manager._number_of_objects() != 0: # This is not really an error since some tests do not