412">t_critical</a>&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
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<p>Leave a critical region. </p>
<p>Typically you will want the argument to be zero to exit the global critical region, although, you if you are using your own critical regions you will want to pass the same one that you previously passed to <a class="el" href="group__critical.html#ga246445cffc822f756ac6fb34a055022d" title="Enter a critical reg