Merge 3.4 (asyncio)

Lib/asyncio/proactor_events.py

@@ -387,13 +387,19 @@ class BaseProactorEventLoop(base_events.BaseEventLoop):
             raise RuntimeError("Cannot close a running event loop")
         if self.is_closed():
             return
+
+        # Call these methods before closing the event loop (before calling
+        # BaseEventLoop.close), because they can schedule callbacks with
+        # call_soon(), which is forbidden when the event loop is closed.
         self._stop_accept_futures()
         self._close_self_pipe()
-        super().close()
         self._proactor.close()
         self._proactor = None
         self._selector = None
 
+        # Close the event loop
+        super().close()
+
     def sock_recv(self, sock, n):
         return self._proactor.recv(sock, n)
 

Lib/test/test_asyncio/test_windows_events.py

@@ -67,7 +67,8 @@ class ProactorTests(test_utils.TestCase):
         clients = []
         for i in range(5):
             stream_reader = asyncio.StreamReader(loop=self.loop)
-            protocol = asyncio.StreamReaderProtocol(stream_reader)
+            protocol = asyncio.StreamReaderProtocol(stream_reader,
+                                                    loop=self.loop)
             trans, proto = yield from self.loop.create_pipe_connection(
                 lambda: protocol, ADDRESS)
             self.assertIsInstance(trans, asyncio.Transport)