<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>basic_stream_socket::reuse_address</title> <link rel="stylesheet" href="../../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../../boost_asio.html" title="Boost.Asio"> <link rel="up" href="../basic_stream_socket.html" title="basic_stream_socket"> <link rel="prev" href="remote_endpoint/overload2.html" title="basic_stream_socket::remote_endpoint (2 of 2 overloads)"> <link rel="next" href="send.html" title="basic_stream_socket::send"> </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="remote_endpoint/overload2.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../basic_stream_socket.html"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="send.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a> </div> <div class="section" title="basic_stream_socket::reuse_address"> <div class="titlepage"><div><div><h4 class="title"> <a name="boost_asio.reference.basic_stream_socket.reuse_address"></a><a class="link" href="reuse_address.html" title="basic_stream_socket::reuse_address"> basic_stream_socket::reuse_address</a> </h4></div></div></div> <p> <span class="emphasis"><em>Inherited from socket_base.</em></span> </p> <p> <a class="indexterm" name="id884498"></a> Socket option to allow the socket to be bound to an address that is already in use. </p> <pre class="programlisting"><span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <span class="identifier">reuse_address</span><span class="special">;</span> </pre> <p> Implements the SOL_SOCKET/SO_REUSEADDR socket option. </p> <a name="boost_asio.reference.basic_stream_socket.reuse_address.examples"></a><h6> <a name="id884549"></a> <a class="link" href="reuse_address.html#boost_asio.reference.basic_stream_socket.reuse_address.examples">Examples</a> </h6> <p> Setting the option: </p> <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">acceptor</span> <span class="identifier">acceptor</span><span class="special">(</span><span class="identifier">io_service</span><span class="special">);</span> <span class="special">...</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">socket_base</span><span class="special">::</span><span class="identifier">reuse_address</span> <span class="identifier">option</span><span class="special">(</span><span class="keyword">true</span><span class="special">);</span> <span class="identifier">acceptor</span><span class="special">.</span><span class="identifier">set_option</span><span class="special">(</span><span class="identifier">option</span><span class="special">);</span> </pre> <p> Getting the current option value: </p> <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">acceptor</span> <span class="identifier">acceptor</span><span class="special">(</span><span class="identifier">io_service</span><span class="special">);</span> <span class="special">...</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">socket_base</span><span class="special">::</span><span class="identifier">reuse_address</span> <span class="identifier">option</span><span class="special">;</span> <span class="identifier">acceptor</span><span class="special">.</span><span class="identifier">get_option</span><span class="special">(</span><span class="identifier">option</span><span class="special">);</span> <span class="keyword">bool</span> <span class="identifier">is_set</span> <span class="special">=</span> <span class="identifier">option</span><span class="special">.</span><span class="identifier">value</span><span class="special">();</span> </pre> <a name="boost_asio.reference.basic_stream_socket.reuse_address.requirements"></a><h6> <a name="id884903"></a> <a class="link" href="reuse_address.html#boost_asio.reference.basic_stream_socket.reuse_address.requirements">Requirements</a> </h6> <p> <span class="bold"><strong>Header: </strong></span><code class="literal">boost/asio/basic_stream_socket.hpp</code> </p> <p> <span class="bold"><strong>Convenience header: </strong></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 - 2010 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="remote_endpoint/overload2.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../basic_stream_socket.html"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="send.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>