websocket</span><span class="special">::</span><span class="identifier">closed</span></code></a> will be indicated.
              </li>
</ul></div>
<p>
            Because of the need to handle control frames, asynchronous read operations
            can cause writes to take place. These writes are managed transparently;
            callers can still have one active asynchronous read and asynchronous
            write operation pending simultaneously (a user initiated call to <a class="link" href="../async_