per over serial port functionality.
      </p>
<h5>
<a name="boost_asio.reference.serial_port.h2"></a>
        <span class="phrase"><a name="boost_asio.reference.serial_port.thread_safety"></a></span><a class="link" href="serial_port.html#boost_asio.reference.serial_port.thread_safety">Thread
        Safety</a>
      </h5>
<p>
        <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe.
      </p>
<p>
        <span class="emphasis"><em>Shared</em></span> <spa