<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>posix::descriptor_base</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../boost_asio.html" title="Boost.Asio"> <link rel="up" href="../reference.html" title="Reference"> <link rel="prev" href="posix__basic_stream_descriptor/write_some/overload2.html" title="posix::basic_stream_descriptor::write_some (2 of 2 overloads)"> <link rel="next" href="posix__descriptor_base/bytes_readable.html" title="posix::descriptor_base::bytes_readable"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a href="../../../../index.html">Home</a></td> <td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="posix__basic_stream_descriptor/write_some/overload2.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../doc/src/images/up.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="posix__descriptor_base/bytes_readable.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="boost_asio.reference.posix__descriptor_base"></a><a class="link" href="posix__descriptor_base.html" title="posix::descriptor_base">posix::descriptor_base</a> </h3></div></div></div> <p> The <a class="link" href="posix__descriptor_base.html" title="posix::descriptor_base"><code class="computeroutput"><span class="identifier">posix</span><span class="special">::</span><span class="identifier">descriptor_base</span></code></a> class is used as a base for the <a class="link" href="posix__basic_stream_descriptor.html" title="posix::basic_stream_descriptor"><code class="computeroutput"><span class="identifier">posix</span><span class="special">::</span><span class="identifier">basic_stream_descriptor</span></code></a> class template so that we have a common place to define the associated IO control commands. </p> <pre class="programlisting"><span class="keyword">class</span> <span class="identifier">descriptor_base</span> </pre> <h5> <a name="boost_asio.reference.posix__descriptor_base.h0"></a> <span class="phrase"><a name="boost_asio.reference.posix__descriptor_base.types"></a></span><a class="link" href="posix__descriptor_base.html#boost_asio.reference.posix__descriptor_base.types">Types</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="posix__descriptor_base/bytes_readable.html" title="posix::descriptor_base::bytes_readable"><span class="bold"><strong>bytes_readable</strong></span></a> </p> </td> <td> <p> IO control command to get the amount of data that can be read without blocking. </p> </td> </tr> <tr> <td> <p> <a class="link" href="posix__descriptor_base/non_blocking_io.html" title="posix::descriptor_base::non_blocking_io"><span class="bold"><strong>non_blocking_io</strong></span></a> </p> </td> <td> <p> (Deprecated: Use non_blocking().) IO control command to set the blocking mode of the descriptor. </p> </td> </tr> </tbody> </table></div> <h5> <a name="boost_asio.reference.posix__descriptor_base.h1"></a> <span class="phrase"><a name="boost_asio.reference.posix__descriptor_base.protected_member_functions"></a></span><a class="link" href="posix__descriptor_base.html#boost_asio.reference.posix__descriptor_base.protected_member_functions">Protected Member Functions</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody><tr> <td> <p> <a class="link" href="posix__descriptor_base/_descriptor_base.html" title="posix::descriptor_base::~descriptor_base"><span class="bold"><strong>~descriptor_base</strong></span></a> </p> </td> <td> <p> Protected destructor to prevent deletion through this type. </p> </td> </tr></tbody> </table></div> <h5> <a name="boost_asio.reference.posix__descriptor_base.h2"></a> <span class="phrase"><a name="boost_asio.reference.posix__descriptor_base.requirements"></a></span><a class="link" href="posix__descriptor_base.html#boost_asio.reference.posix__descriptor_base.requirements">Requirements</a> </h5> <p> <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/posix/descriptor_base.hpp</code> </p> <p> <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code> </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003-2015 Christopher M. Kohlhoff<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="posix__basic_stream_descriptor/write_some/overload2.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../doc/src/images/up.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="posix__descriptor_base/bytes_readable.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>