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bpo-36668: FIX reuse semaphore tracker for child processes #5172

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Merged
pitrou merged 12 commits into from
Apr 24, 2019
Merged

bpo-36668: FIX reuse semaphore tracker for child processes #5172

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d77cd4a
FIX reuse semaphore tracker for child processes
tomMoral Jan 13, 2018
398216f
FIX typo in spawn.prepare
tomMoral Feb 24, 2018
87964fc
TST add test for reused semtracker + CLN unused code
tomMoral Apr 6, 2018
49e96f1
DOC add what's new
tomMoral Apr 6, 2018
d9b23e1
ENH test check pid of semaphore_tracker
tomMoral Mar 15, 2019
b61bba2
FIX dangling process in test_sem_tracker
tomMoral Mar 17, 2019
96cb643
CLN correctly avoid dangling processes
tomMoral Mar 18, 2019
cbfefd1
CLN improve docstring for _check_alive in semaphore_tracker
ZackerySpytz Apr 11, 2019
8f8e82f
CLN improve tests and avoid passing unused variables
tomMoral Apr 19, 2019
9a5c94e
FIX semaphore_tracker for the fork context
tomMoral Apr 19, 2019
ada8a9d
ENH more robust sem_tracker.ensure_running
tomMoral Apr 24, 2019
f6d6a31
DBG trigger appveyor
tomMoral Apr 24, 2019
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FIX dangling process in test_sem_tracker
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@tomMoral
tomMoral committed Mar 17, 2019
commit b61bba22489d03d28607461de8e65507a39a70ae
5 changes: 5 additions & 0 deletions Lib/test/_test_multiprocessing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4883,6 +4883,11 @@ def check_semaphore_tracker_death(self, signum, should_die):
else:
self.assertEqual(len(all_warn), 0)

# make sure to clean-up the killed semaphore_tracker to avoid dangling
# processes.
if signum == signal.SIGKILL:
os.waitpid(pid, 0)

def test_semaphore_tracker_sigint(self):
# Catchable signal (ignored by semaphore tracker)
self.check_semaphore_tracker_death(signal.SIGINT, False)
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