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?>
<div id="function.pcntl-async-signals" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">pcntl_async_signals</h1>
  <p class="verinfo">(PHP 7 &gt;= 7.1.0, PHP 8)</p><p class="refpurpose"><span class="refname">pcntl_async_signals</span> &mdash; <span class="dc-title">Active/désactive la gestion asynchrone des signaux ou retourne l&#039;ancien paramètre</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.pcntl-async-signals-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>pcntl_async_signals</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></span> <code class="parameter">$enable</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Si le paramètre <code class="parameter">enable</code> est <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>,
   <span class="function"><strong>pcntl_async_signals()</strong></span> retourne si la gestion asynchrone
   des signaux est activée. Sinon, la gestion asynchrone des signaux est activée ou
   désactivée.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.pcntl-async-signals-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt><code class="parameter">enable</code></dt>
    <dd>
     <p class="para">
      Si la gestion asynchrone des signaux doit être activée.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.pcntl-async-signals-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Lorsque utilisée comme getter (<code class="parameter">enable</code> est <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>), elle retourne
   si la gestion asynchrone des signaux est activée. Lorsque utilisée comme setter
   (<code class="parameter">enable</code> n&#039;est pas <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>), elle retourne si la gestion asynchrone
   des signaux était activée <em>avant</em> l&#039;appel de la fonction.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.pcntl-async-signals-changelog">
  <h3 class="title">Historique</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Version</th>
      <th>Description</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>8.0.0</td>
      <td>
       <code class="parameter">enable</code> est désormais nullable.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 seealso" id="refsect1-function.pcntl-async-signals-seealso">
  <h3 class="title">Voir aussi</h3>
  <ul class="simplelist">
   <li><a href="control-structures.declare.php" class="link">declare</a></li>
  </ul>
 </div>


</div><?php manual_footer($setup); ?>