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bpo-26762: _test_multiprocessing reports dangling #3064

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Merged
vstinner merged 1 commit into from
Aug 10, 2017
Merged

bpo-26762: _test_multiprocessing reports dangling #3064

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6 changes: 6 additions & 0 deletions 6 Lib/test/_test_multiprocessing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4329,12 +4329,14 @@ def tearDownClass(cls):

processes = set(multiprocessing.process._dangling) - set(cls.dangling[0])
if processes:
test.support.environment_altered = True
print('Warning -- Dangling processes: %s' % processes,
file=sys.stderr)
processes = None

threads = set(threading._dangling) - set(cls.dangling[1])
if threads:
test.support.environment_altered = True
print('Warning -- Dangling threads: %s' % threads,
file=sys.stderr)
threads = None
Expand Down Expand Up @@ -4402,6 +4404,7 @@ def tearDownClass(cls):
t *= 2
dt = time.monotonic() - start_time
if dt >= 5.0:
test.support.environment_altered = True
print("Warning -- multiprocessing.Manager still has %s active "
"children after %s seconds"
% (multiprocessing.active_children(), dt),
Expand All @@ -4413,6 +4416,7 @@ def tearDownClass(cls):
# This is not really an error since some tests do not
# ensure that all processes which hold a reference to a
# managed object have been joined.
test.support.environment_altered = True
print('Warning -- Shared objects which still exist at manager '
'shutdown:')
print(cls.manager._debug_info())
Expand Down Expand Up @@ -4511,13 +4515,15 @@ def tearDownModule():
processes = set(multiprocessing.process._dangling) - set(dangling[0])
if processes:
need_sleep = True
test.support.environment_altered = True
print('Warning -- Dangling processes: %s' % processes,
file=sys.stderr)
processes = None

threads = set(threading._dangling) - set(dangling[1])
if threads:
need_sleep = True
test.support.environment_altered = True
print('Warning -- Dangling threads: %s' % threads,
file=sys.stderr)
threads = None
Expand Down
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