ls</td><td>specifies the signal flags of the thread that shall be cleared. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters or call from ISR. </dd></dl>
<dl class="section note"><dt>Note</dt><dd>MUST REMAIN UNCHANGED: <b>osSignalClear</b> shall be consistent in every CMSIS-RTOS.</dd></dl>
<p>Clear the signal flags of an active thread.</p>
<p><b>Example</b> </p>
<div class="fragment">