Add BaseEventLoop._closed attribute and use it to check if the event loop was
closed or not, instead of checking different attributes in each subclass of
BaseEventLoop.

run_forever() and run_until_complete() now raises a RuntimeError('Event loop is
closed') exception if the event loop was closed.

BaseProactorEventLoop.close() now also cancels "accept futures".

Before, regrtest failed to remove the temporary test directory because the
process was still running in this directory.

Before, regrtest failed to remove the temporary test directory because the
process was still running in this directory.

Windows. Patch written by Claudiu Popa.

Patch written by Claudiu Popa.

* Make sure that socketpair() close sockets on error. Close the listening
  socket if sock.bind() raises an exception.
* asyncio now closes sockets on errors. Fix ResourceWarning:
  create_connection(), create_datagram_endpoint() and create_unix_server()
  methods of event loop now close the newly created socket on error.

Close the listening socket if sock.bind() raises an exception.

Fix ResourceWarning: create_connection(), create_datagram_endpoint() and
create_unix_server() methods of event loop now close the newly created socket
on error.

offsetof() is used directly in many other .c files without any issue.

Fix issue #21641: Close the socket before raising the SMTPResponseException. Fixes the ResourceWarning in the test run.
Patch by Claudiu.Popa.

Fix issue #21641: Close the socket before raising the SMTPResponseException. Fixes the ResourceWarning in the test run.

Patch by Claudiu.Popa.

Update references to Python docs in the sidebar index.
Patch contributed by Auke Willem Oosterhoff.

Patch contributed by Auke Willem Oosterhoff.