bpo-26762: _test_multiprocessing reports dangling (#3064)
_test_multiprocessing now marks the test as ENV_CHANGED on dangling
process or thread.
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index e18f7cd..cce3c02 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -4329,12 +4329,14 @@
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
@@ -4402,6 +4404,7 @@
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),
@@ -4413,6 +4416,7 @@
# 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())
@@ -4511,6 +4515,7 @@
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
@@ -4518,6 +4523,7 @@
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