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Close #13022: _multiprocessing.recvfd() doesn't check that file descriptor was actually received

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This commit is contained in:
Jesus Cea 2011-09-21 03:47:39 +02:00
parent 4ac5d2cda4
commit c23484b21f
3 changed files with 31 additions and 0 deletions
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17
Lib/test/test_multiprocessing.py
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@ -1574,6 +1574,23 @@ class _TestConnection(BaseTestCase):
with open(test_support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"bar")
@classmethod
def _send_data_without_fd(self, conn):
os.write(conn.fileno(), b"\0")
@unittest.skipIf(sys.platform == "win32", "doesn't make sense on Windows")
def test_missing_fd_transfer(self):
# Check that exception is raised when received data is not
# accompanied by a file descriptor in ancillary data.
if self.TYPE != 'processes':
self.skipTest("only makes sense with processes")
conn, child_conn = self.Pipe(duplex=True)
p = self.Process(target=self._send_data_without_fd, args=(child_conn,))
p.daemon = True
p.start()
self.assertRaises(RuntimeError, reduction.recv_handle, conn)
p.join()
class _TestListenerClient(BaseTestCase):