p.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="operator_eq_.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
</div>
<div class="section">
<div class="titlepage"><div><div><h4 class="title">
<a name="boost_asio.reference.posix__basic_descriptor.non_blocking_io"></a><a class="link" href="non_blocking_io.html" title="posix::basic_descriptor::non_blocking_io">posix::basic_descript