nt.html">SIGUSR2</a></li>
      <li><a href="dart-io/ProcessSignal/SIGVTALRM-constant.html">SIGVTALRM</a></li>
      <li><a href="dart-io/ProcessSignal/SIGWINCH-constant.html">SIGWINCH</a></li>
      <li><a href="dart-io/ProcessSignal/SIGXCPU-constant.html">SIGXCPU</a></li>
      <li><a href="dart-io/ProcessSignal/SIGXFSZ-constant.html">SIGXFSZ</a></li>
    </ol>
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  <div class="col-xs-12 col-sm-9 col-md-8 main-content">
    <h1>SIGUSR1 constant</h1>

    <section clas