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<div id="parallel-events.poll" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">parallel\Events::poll</h1>
  <p class="verinfo">(0.9.0)</p><p class="refpurpose"><span class="refname">parallel\Events::poll</span> &mdash; <span class="dc-title">Interroga</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-parallel-events.poll-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>parallel\Events::poll</strong></span>(): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.parallel-events-event.php" class="type parallel\Events\Event">parallel\Events\Event</a></span></span></div>

  <p class="simpara">
    Interroga para el próximo evento.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-parallel-events.poll-returnvalues">
  <h3 class="title">Valores devueltos</h3>
   <p class="simpara">
    Si no quedan más objetivos, <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> será devuelto.
   </p>
   <p class="simpara">
    Esto es un bucle no bloqueante, y si se produce un bloqueo, <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> será devuelto.
   </p>
   <p class="simpara">
    De lo contrario, el <span class="classname"><a href="class.parallel-events-event.php" class="classname">parallel\Events\Event</a></span> devuelto describe el evento.
   </p>
 </div>


 <div class="refsect1 exceptions" id="refsect1-parallel-events.poll-exceptions">
  <h3 class="title">Excepciones</h3>
  <div class="warning"><strong class="warning">Advertencia</strong>
   <p class="simpara">
    Lanza una <span class="type">parallel\Events\Error\Existence</span> si se supera el tiempo de espera.
   </p>
  </div>
 </div>


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