diff options
| -rw-r--r-- | asyncio/windows_events.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/asyncio/windows_events.py b/asyncio/windows_events.py index 6c7e058..109f5d3 100644 --- a/asyncio/windows_events.py +++ b/asyncio/windows_events.py @@ -257,7 +257,7 @@ class PipeServer(object): def _server_pipe_handle(self, first): # Return a wrapper for a new pipe handle. - if self._address is None: + if self.closed(): return None flags = _winapi.PIPE_ACCESS_DUPLEX | _winapi.FILE_FLAG_OVERLAPPED if first: @@ -273,6 +273,9 @@ class PipeServer(object): self._free_instances.add(pipe) return pipe + def closed(self): + return (self._address is None) + def close(self): if self._accept_pipe_future is not None: self._accept_pipe_future.cancel() @@ -325,12 +328,21 @@ class ProactorEventLoop(proactor_events.BaseProactorEventLoop): if f: pipe = f.result() server._free_instances.discard(pipe) + + if server.closed(): + # A client connected before the server was closed: + # drop the client (close the pipe) and exit + pipe.close() + return + protocol = protocol_factory() self._make_duplex_pipe_transport( pipe, protocol, extra={'addr': address}) + pipe = server._get_unconnected_pipe() if pipe is None: return + f = self._proactor.accept_pipe(pipe) except OSError as exc: if pipe and pipe.fileno() != -1: |