1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>service_already_exists</title> 5<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../reference.html" title="Reference"> 9<link rel="prev" href="serial_port_base__stop_bits/value.html" title="serial_port_base::stop_bits::value"> 10<link rel="next" href="service_already_exists/service_already_exists.html" title="service_already_exists::service_already_exists"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 15<td align="center"><a href="../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="serial_port_base__stop_bits/value.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="service_already_exists/service_already_exists.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h3 class="title"> 27<a name="boost_asio.reference.service_already_exists"></a><a class="link" href="service_already_exists.html" title="service_already_exists">service_already_exists</a> 28</h3></div></div></div> 29<p> 30 Exception thrown when trying to add a duplicate service to an <a class="link" href="execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>. 31 </p> 32<pre class="programlisting">class service_already_exists 33</pre> 34<h5> 35<a name="boost_asio.reference.service_already_exists.h0"></a> 36 <span class="phrase"><a name="boost_asio.reference.service_already_exists.member_functions"></a></span><a class="link" href="service_already_exists.html#boost_asio.reference.service_already_exists.member_functions">Member 37 Functions</a> 38 </h5> 39<div class="informaltable"><table class="table"> 40<colgroup> 41<col> 42<col> 43</colgroup> 44<thead><tr> 45<th> 46 <p> 47 Name 48 </p> 49 </th> 50<th> 51 <p> 52 Description 53 </p> 54 </th> 55</tr></thead> 56<tbody><tr> 57<td> 58 <p> 59 <a class="link" href="service_already_exists/service_already_exists.html" title="service_already_exists::service_already_exists"><span class="bold"><strong>service_already_exists</strong></span></a> <span class="silver">[constructor]</span> 60 </p> 61 </td> 62<td> 63 </td> 64</tr></tbody> 65</table></div> 66<h5> 67<a name="boost_asio.reference.service_already_exists.h1"></a> 68 <span class="phrase"><a name="boost_asio.reference.service_already_exists.requirements"></a></span><a class="link" href="service_already_exists.html#boost_asio.reference.service_already_exists.requirements">Requirements</a> 69 </h5> 70<p> 71 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/execution_context.hpp</code> 72 </p> 73<p> 74 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio/execution.hpp</code> 75 </p> 76</div> 77<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 78<td align="left"></td> 79<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 80 Kohlhoff<p> 81 Distributed under the Boost Software License, Version 1.0. (See accompanying 82 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>) 83 </p> 84</div></td> 85</tr></table> 86<hr> 87<div class="spirit-nav"> 88<a accesskey="p" href="serial_port_base__stop_bits/value.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="service_already_exists/service_already_exists.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 89</div> 90</body> 91</html> 92
