ime's default reactor runs on a background thread. This
ensures that application code cannot significantly impact the reactor's
responsiveness.</p>
<h2 id="integrating-with-the-reactor" class="section-header"><a href="#integrating-with-the-reactor">Integrating with the reactor</a></h2>
<p>Tokio comes with a number of I/O resources, like TCP and UDP sockets, that
automatically integrate with the reactor. However, library authors or
applications may wish to implement their own resources that are also backed
b