Mercurial > cpython-lru_cache-weakref
diff Lib/test/test_threading.py @ 44871:ffacb44673ea 2.5
Backport of r60190:
- Fix Issue #1703448: A joined thread could show up in the
threading.enumerate() list after the join() for a brief period until
it actually exited.
| author | Gregory P. Smith <greg@mad-scientist.com> |
|---|---|
| date | Tue, 22 Jan 2008 01:29:11 +0000 |
| parents | be107b04c252 |
| children | 43fa50b9eb12 |
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--- a/Lib/test/test_threading.py Mon Jan 21 23:35:11 2008 +0000 +++ b/Lib/test/test_threading.py Tue Jan 22 01:29:11 2008 +0000 @@ -3,6 +3,7 @@ import test.test_support from test.test_support import verbose import random +import sys import threading import thread import time @@ -201,6 +202,24 @@ t.join() # else the thread is still running, and we have no way to kill it + def test_enumerate_after_join(self): + # Try hard to trigger #1703448: a thread is still returned in + # threading.enumerate() after it has been join()ed. + enum = threading.enumerate + old_interval = sys.getcheckinterval() + sys.setcheckinterval(1) + try: + for i in xrange(1, 1000): + t = threading.Thread(target=lambda: None) + t.start() + t.join() + l = enum() + self.assertFalse(t in l, + "#1703448 triggered after %d trials: %s" % (i, l)) + finally: + sys.setcheckinterval(old_interval) + + def test_main(): test.test_support.run_unittest(ThreadTests)