Issue #6056: Make multiprocessing use setblocking(True) on the sockets it uses.

Original patch by J Derek Wilson.
This commit is contained in:
Richard Oudkerk 2012-07-27 14:19:00 +01:00
parent 46874ad367
commit b15e622bb8
4 changed files with 44 additions and 1 deletions

View file

@ -3312,9 +3312,43 @@ class TestFlags(unittest.TestCase):
child_flags, grandchild_flags = json.loads(data.decode('ascii'))
self.assertEqual(child_flags, grandchild_flags)
#
# Test interaction with socket timeouts - see Issue #6056
#
class TestTimeouts(unittest.TestCase):
@classmethod
def _test_timeout(cls, child, address):
time.sleep(1)
child.send(123)
child.close()
conn = multiprocessing.connection.Client(address)
conn.send(456)
conn.close()
def test_timeout(self):
old_timeout = socket.getdefaulttimeout()
try:
socket.setdefaulttimeout(0.1)
parent, child = multiprocessing.Pipe(duplex=True)
l = multiprocessing.connection.Listener(family='AF_INET')
p = multiprocessing.Process(target=self._test_timeout,
args=(child, l.address))
p.start()
child.close()
self.assertEqual(parent.recv(), 123)
parent.close()
conn = l.accept()
self.assertEqual(conn.recv(), 456)
conn.close()
l.close()
p.join(10)
finally:
socket.setdefaulttimeout(old_timeout)
testcases_other = [OtherTest, TestInvalidHandle, TestInitializers,
TestStdinBadfiledescriptor, TestWait, TestInvalidFamily,
TestFlags]
TestFlags, TestTimeouts]
#
#