bpo-36867: Avoid weak syncronization primitive in resource_tracker tests by pierreglaser · Pull Request #13292 · python/cpython
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@@ -3945,11 +3945,19 @@ def test_shared_memory_cleaned_after_process_termination(self):
# segment should not leak the given memory segment.
p.terminate()
p.wait()
time.sleep(1.0) # wait for the OS to collect the segment
# The shared memory file was deleted. with self.assertRaises(FileNotFoundError): smm = shared_memory.SharedMemory(name, create=False) deadline = time.monotonic() + 60 t = 0.1 while time.monotonic() < deadline: time.sleep(t) t = min(t*2, 5) try: smm = shared_memory.SharedMemory(name, create=False) except FileNotFoundError: break else: raise AssertionError("A SharedMemory segment was leaked after" " a process was abruptly terminated.")
if os.name == 'posix': # A warning was emitted by the subprocess' own Expand Down
# The shared memory file was deleted. with self.assertRaises(FileNotFoundError): smm = shared_memory.SharedMemory(name, create=False) deadline = time.monotonic() + 60 t = 0.1 while time.monotonic() < deadline: time.sleep(t) t = min(t*2, 5) try: smm = shared_memory.SharedMemory(name, create=False) except FileNotFoundError: break else: raise AssertionError("A SharedMemory segment was leaked after" " a process was abruptly terminated.")
if os.name == 'posix': # A warning was emitted by the subprocess' own Expand Down