diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index 492a84a2313..9746678607c 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -1980,19 +1980,26 @@ def test_subprocess_terminate(self):
@unittest.skipIf(sys.platform == 'win32', "Don't have SIGHUP")
def test_subprocess_send_signal(self):
- prog = os.path.join(os.path.dirname(__file__), 'echo.py')
-
- connect = self.loop.subprocess_exec(
- functools.partial(MySubprocessProtocol, self.loop),
- sys.executable, prog)
- transp, proto = self.loop.run_until_complete(connect)
- self.assertIsInstance(proto, MySubprocessProtocol)
- self.loop.run_until_complete(proto.connected)
-
- transp.send_signal(signal.SIGHUP)
- self.loop.run_until_complete(proto.completed)
- self.assertEqual(-signal.SIGHUP, proto.returncode)
- transp.close()
+ # bpo-31034: Make sure that we get the default signal handler (killing
+ # the process). The parent process may have decided to ignore SIGHUP,
+ # and signal handlers are inherited.
+ old_handler = signal.signal(signal.SIGHUP, signal.SIG_DFL)
+ try:
+ prog = os.path.join(os.path.dirname(__file__), 'echo.py')
+
+ connect = self.loop.subprocess_exec(
+ functools.partial(MySubprocessProtocol, self.loop),
+ sys.executable, prog)
+ transp, proto = self.loop.run_until_complete(connect)
+ self.assertIsInstance(proto, MySubprocessProtocol)
+ self.loop.run_until_complete(proto.connected)
+
+ transp.send_signal(signal.SIGHUP)
+ self.loop.run_until_complete(proto.completed)
+ self.assertEqual(-signal.SIGHUP, proto.returncode)
+ transp.close()
+ finally:
+ signal.signal(signal.SIGHUP, old_handler)
def test_subprocess_stderr(self):
prog = os.path.join(os.path.dirname(__file__), 'echo2.py')
diff --git a/Lib/test/test_asyncio/test_subprocess.py b/Lib/test/test_asyncio/test_subprocess.py
index 2e14a8a9735..e8822c36698 100644
--- a/Lib/test/test_asyncio/test_subprocess.py
+++ b/Lib/test/test_asyncio/test_subprocess.py
@@ -166,25 +166,32 @@ def test_terminate(self):
@unittest.skipIf(sys.platform == 'win32', "Don't have SIGHUP")
def test_send_signal(self):
- code = 'import time; print("sleeping", flush=True); time.sleep(3600)'
- args = [sys.executable, '-c', code]
- create = asyncio.create_subprocess_exec(*args,
- stdout=subprocess.PIPE,
- loop=self.loop)
- proc = self.loop.run_until_complete(create)
-
- @asyncio.coroutine
- def send_signal(proc):
- # basic synchronization to wait until the program is sleeping
- line = yield from proc.stdout.readline()
- self.assertEqual(line, b'sleeping\n')
+ # bpo-31034: Make sure that we get the default signal handler (killing
+ # the process). The parent process may have decided to ignore SIGHUP,
+ # and signal handlers are inherited.
+ old_handler = signal.signal(signal.SIGHUP, signal.SIG_DFL)
+ try:
+ code = 'import time; print("sleeping", flush=True); time.sleep(3600)'
+ args = [sys.executable, '-c', code]
+ create = asyncio.create_subprocess_exec(*args,
+ stdout=subprocess.PIPE,
+ loop=self.loop)
+ proc = self.loop.run_until_complete(create)
- proc.send_signal(signal.SIGHUP)
- returncode = (yield from proc.wait())
- return returncode
-
- returncode = self.loop.run_until_complete(send_signal(proc))
- self.assertEqual(-signal.SIGHUP, returncode)
+ @asyncio.coroutine
+ def send_signal(proc):
+ # basic synchronization to wait until the program is sleeping
+ line = yield from proc.stdout.readline()
+ self.assertEqual(line, b'sleeping\n')
+
+ proc.send_signal(signal.SIGHUP)
+ returncode = (yield from proc.wait())
+ return returncode
+
+ returncode = self.loop.run_until_complete(send_signal(proc))
+ self.assertEqual(-signal.SIGHUP, returncode)
+ finally:
+ signal.signal(signal.SIGHUP, old_handler)
def prepare_broken_pipe_test(self):
# buffer large enough to feed the whole pipe buffer