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Issue #6056: Make multiprocessing use setblocking(True) on the sockets it uses.
Original patch by J Derek Wilson.
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parent
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4 changed files with 44 additions and 1 deletions
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@ -3312,9 +3312,43 @@ class TestFlags(unittest.TestCase):
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child_flags, grandchild_flags = json.loads(data.decode('ascii'))
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self.assertEqual(child_flags, grandchild_flags)
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#
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# Test interaction with socket timeouts - see Issue #6056
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#
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class TestTimeouts(unittest.TestCase):
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@classmethod
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def _test_timeout(cls, child, address):
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time.sleep(1)
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child.send(123)
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child.close()
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conn = multiprocessing.connection.Client(address)
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conn.send(456)
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conn.close()
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def test_timeout(self):
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old_timeout = socket.getdefaulttimeout()
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try:
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socket.setdefaulttimeout(0.1)
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parent, child = multiprocessing.Pipe(duplex=True)
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l = multiprocessing.connection.Listener(family='AF_INET')
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p = multiprocessing.Process(target=self._test_timeout,
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args=(child, l.address))
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p.start()
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child.close()
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self.assertEqual(parent.recv(), 123)
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parent.close()
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conn = l.accept()
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self.assertEqual(conn.recv(), 456)
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conn.close()
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l.close()
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p.join(10)
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finally:
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socket.setdefaulttimeout(old_timeout)
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testcases_other = [OtherTest, TestInvalidHandle, TestInitializers,
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TestStdinBadfiledescriptor, TestWait, TestInvalidFamily,
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TestFlags]
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TestFlags, TestTimeouts]
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#
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#
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