Propagate USR1 and ABRT signals from stem tests through to tor
In #30234 (moved), we got the tor logs, but the USR1 and ABRT signals sent by timelimit to test_stem.py aren't being propagated to tor:
Apr 22 03:32:30.000 [notice] Monitored process 20402 is dead.
Apr 22 03:32:30.000 [notice] Owning controller process has vanished -- exiting now.
Apr 22 03:32:30.000 [notice] Catching signal TERM, exiting cleanly.https://travis-ci.org/teor2345/tor/jobs/522893523#L4944
We need to work out how to get the signals from this stem test process down to the tor it launches:
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Signal SIGABRT received by thread MainThread in process 20402
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Event notifier thread stacktrace
File "/usr/lib/python3.4/threading.py", line 888, in _bootstrap
self._bootstrap_inner()
File "/usr/lib/python3.4/threading.py", line 920, in _bootstrap_inner
self.run()
File "/usr/lib/python3.4/threading.py", line 868, in run
self._target(*self._args, **self._kwargs)
File "/home/travis/build/teor2345/tor/stem/stem/control.py", line 984, in _event_loop
self._event_notice.wait(0.05)
File "/usr/lib/python3.4/threading.py", line 553, in wait
signaled = self._cond.wait(timeout)
File "/usr/lib/python3.4/threading.py", line 294, in wait
gotit = waiter.acquire(True, timeout)
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MainThread thread stacktrace
File "/home/travis/build/teor2345/tor/stem/run_tests.py", line 451, in <module>
main()
File "/home/travis/build/teor2345/tor/stem/run_tests.py", line 287, in main
integ_runner.start(target, args.attribute_targets, args.tor_path)
File "/home/travis/build/teor2345/tor/stem/test/runner.py", line 262, in start
self._owner_controller = self.get_tor_controller(True)
File "/home/travis/build/teor2345/tor/stem/test/runner.py", line 482, in get_tor_controller
controller.authenticate(password = CONTROL_PASSWORD, chroot_path = self.get_chroot())
File "/home/travis/build/teor2345/tor/stem/stem/control.py", line 1103, in authenticate
stem.connection.authenticate(self, *args, **kwargs)
File "/home/travis/build/teor2345/tor/stem/stem/connection.py", line 530, in authenticate
protocolinfo_response = get_protocolinfo(controller)
File "/home/travis/build/teor2345/tor/stem/stem/connection.py", line 1007, in get_protocolinfo
protocolinfo_response = _msg(controller, 'PROTOCOLINFO 1')
File "/home/travis/build/teor2345/tor/stem/stem/connection.py", line 1036, in _msg
return controller.msg(message)
File "/home/travis/build/teor2345/tor/stem/stem/control.py", line 654, in msg
response = self._reply_queue.get()
File "/usr/lib/python3.4/queue.py", line 167, in get
self.not_empty.wait()
File "/usr/lib/python3.4/threading.py", line 290, in wait
waiter.acquire()
File "/home/travis/build/teor2345/tor/stem/run_tests.py", line 98, in log_traceback
for thread_name, stacktrace in test.output.thread_stacktraces().items():
File "/home/travis/build/teor2345/tor/stem/test/output.py", line 110, in thread_stacktraces
stacktraces[thread.name] = ''.join(traceback.format_stack(frame))
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Tor listener thread stacktrace
File "/usr/lib/python3.4/threading.py", line 888, in _bootstrap
self._bootstrap_inner()
File "/usr/lib/python3.4/threading.py", line 920, in _bootstrap_inner
self.run()
File "/usr/lib/python3.4/threading.py", line 868, in run
self._target(*self._args, **self._kwargs)
File "/home/travis/build/teor2345/tor/stem/stem/control.py", line 939, in _reader_loop
control_message = self._socket.recv()
File "/home/travis/build/teor2345/tor/stem/stem/socket.py", line 474, in recv
return self._recv(lambda s, sf: recv_message(sf))
File "/home/travis/build/teor2345/tor/stem/stem/socket.py", line 274, in _recv
return handler(my_socket, my_socket_file)
File "/home/travis/build/teor2345/tor/stem/stem/socket.py", line 474, in <lambda>
return self._recv(lambda s, sf: recv_message(sf))
File "/home/travis/build/teor2345/tor/stem/stem/socket.py", line 676, in recv_message
line = control_file.readline()
File "/usr/lib/python3.4/socket.py", line 374, in readinto
return self._sock.recv_into(b)
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