pan>)))</code></pre><p>The fiber mask argument (<code class="mendoza-code">:tp</code> above) determines what signals are automatically written to the supervisor channel. By default, the fiber will only write to the supervisor channel
when it completes successfully, with the message <code class="mendoza-code">[:ok fiber]</code>. The most useful setting here is <code class="mendoza-code">:t</code>, which causes the fiber to write an event to the supervisor channel when it terminates.
These events will be tupl