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#7805: wait until all workers are started before collecting their PIDs

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Florent Xicluna 2010-03-04 15:58:54 +00:00
parent a36e245deb
commit 3bc5cb7e0d
2 changed files with 10 additions and 2 deletions
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10
Lib/test/test_multiprocessing.py
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@ -1070,8 +1070,16 @@ class _TestPoolWorkerLifetime(BaseTestCase):
self.assertEqual(res.get(), sqr(j))
# Refill the pool
p._repopulate_pool()
# Finally, check that the worker pids have changed
# Wait until all workers are alive
countdown = 5
while countdown and not all(w.is_alive() for w in p._pool):
countdown -= 1
time.sleep(DELTA)
finalworkerpids = [w.pid for w in p._pool]
# All pids should be assigned. See issue #7805.
self.assertNotIn(None, origworkerpids)
self.assertNotIn(None, finalworkerpids)
# Finally, check that the worker pids have changed
self.assertNotEqual(sorted(origworkerpids), sorted(finalworkerpids))
p.close()
p.join()