Method do_io_close

include/iocore/eventsystem/VConnection.h:398–403

  }

  void
  do_io_close(int /* alerrno ATS_UNUSED */) override
  {
    ink_assert(!"VConnection::do_io_close -- "
                "cannot use default implementation");
  }

  void
  do_io_shutdown(ShutdownHowTo_t /* howto ATS_UNUSED */) override