loads)</a>
</h5></div></div></div>
<p>
            Cancel all asynchronous operations associated with the handle.
          </p>
<pre class="programlisting"><span class="keyword">void</span> <span class="identifier">cancel</span><span class="special">();</span>
</pre>
<p>
            This function causes all outstanding asynchronous read or write operations
            to finish immediately, and the handlers for cancelled operations will
            be passed the <code class="computeroutput"><span class="id