def test_reap_process_group(self):
"""
Spin up a process that can't be killed by SIGTERM and make sure
it gets killed anyway.
"""
parent_setup_done = multiprocessing.Semaphore(0)
parent_pid = multiprocessing.Value('i', 0)
child_pid = multiprocessing.Value('i', 0)
args = [parent_pid, child_pid, parent_setup_done]
parent = multiprocessing.Process(
target=TestHelpers._parent_of_ignores_sigterm, args=args)
try:
parent.start()
self.assertTrue(parent_setup_done.acquire(timeout=5.0))
self.assertTrue(psutil.pid_exists(parent_pid.value))
self.assertTrue(psutil.pid_exists(child_pid.value))
helpers.reap_process_group(parent_pid.value,
logging.getLogger(),
timeout=1)
self.assertFalse(psutil.pid_exists(parent_pid.value))
self.assertFalse(psutil.pid_exists(child_pid.value))
finally:
try:
os.kill(parent_pid.value,
signal.SIGKILL) # terminate doesnt work here
os.kill(child_pid.value,
signal.SIGKILL) # terminate doesnt work here
except OSError:
pass
def test_reap_process_group(self):
"""
Spin up a process that can't be killed by SIGTERM and make sure
it gets killed anyway.
"""
parent_setup_done = multiprocessing.Semaphore(0)
parent_pid = multiprocessing.Value('i', 0)
child_pid = multiprocessing.Value('i', 0)
args = [parent_pid, child_pid, parent_setup_done]
parent = multiprocessing.Process(target=TestHelpers._parent_of_ignores_sigterm,
args=args)
try:
parent.start()
self.assertTrue(parent_setup_done.acquire(timeout=5.0))
self.assertTrue(psutil.pid_exists(parent_pid.value))
self.assertTrue(psutil.pid_exists(child_pid.value))
helpers.reap_process_group(parent_pid.value, logging.getLogger(),
timeout=1)
self.assertFalse(psutil.pid_exists(parent_pid.value))
self.assertFalse(psutil.pid_exists(child_pid.value))
finally:
try:
os.kill(parent_pid.value, signal.SIGKILL) # terminate doesnt work here
os.kill(child_pid.value, signal.SIGKILL) # terminate doesnt work here
except OSError:
pass
def end(self):
"""
Terminate (and then kill) the manager process launched.
:return:
"""
if not self._process:
self.log.warning('Ending without manager process.')
return
reap_process_group(self._process.pid, log=self.log)
self._parent_signal_conn.close()
def terminate(self):
if self.process is None:
return
if self.process.is_running():
rcs = reap_process_group(self.process.pid, self.log)
self._rc = rcs.get(self.process.pid)
self.process = None
if self._rc is None:
# Something else reaped it before we had a chance, so let's just "guess" at an error code.
self._rc = -9
def terminate(self):
if self.process and psutil.pid_exists(self.process.pid):
reap_process_group(self.process.pid, self.log)
def terminate(self):
if self.process and psutil.pid_exists(self.process.pid):
reap_process_group(self.process.pid, self.log)