1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>thread_pool::add_service</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="../thread_pool.html" title="thread_pool"> 9<link rel="prev" href="../thread_pool.html" title="thread_pool"> 10<link rel="next" href="attach.html" title="thread_pool::attach"> 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="../thread_pool.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../thread_pool.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="attach.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_asio.reference.thread_pool.add_service"></a><a class="link" href="add_service.html" title="thread_pool::add_service">thread_pool::add_service</a> 28</h4></div></div></div> 29<p> 30 <span class="emphasis"><em>Inherited from execution_context.</em></span> 31 </p> 32<p> 33 <a class="indexterm" name="boost_asio.indexterm.thread_pool.add_service"></a> 34(Deprecated: 35 Use <code class="computeroutput">make_service()</code>.) Add a service object to the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>. 36 </p> 37<pre class="programlisting">template< 38 typename <a class="link" href="../Service.html" title="Service requirements">Service</a>> 39friend void add_service( 40 execution_context & e, 41 Service * svc); 42</pre> 43<p> 44 This function is used to add a service to the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>. 45 </p> 46<h6> 47<a name="boost_asio.reference.thread_pool.add_service.h0"></a> 48 <span class="phrase"><a name="boost_asio.reference.thread_pool.add_service.parameters"></a></span><a class="link" href="add_service.html#boost_asio.reference.thread_pool.add_service.parameters">Parameters</a> 49 </h6> 50<div class="variablelist"> 51<p class="title"><b></b></p> 52<dl class="variablelist"> 53<dt><span class="term">e</span></dt> 54<dd><p> 55 The <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a> 56 object that owns the service. 57 </p></dd> 58<dt><span class="term">svc</span></dt> 59<dd> 60<p> 61 The service object. On success, ownership of the service object is 62 transferred to the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>. 63 When the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a> 64 object is destroyed, it will destroy the service object by performing: 65</p> 66<pre class="programlisting">delete static_cast<execution_context::service*>(svc) 67</pre> 68<p> 69 </p> 70</dd> 71</dl> 72</div> 73<h6> 74<a name="boost_asio.reference.thread_pool.add_service.h1"></a> 75 <span class="phrase"><a name="boost_asio.reference.thread_pool.add_service.exceptions"></a></span><a class="link" href="add_service.html#boost_asio.reference.thread_pool.add_service.exceptions">Exceptions</a> 76 </h6> 77<div class="variablelist"> 78<p class="title"><b></b></p> 79<dl class="variablelist"> 80<dt><span class="term">boost::asio::service_already_exists</span></dt> 81<dd><p> 82 Thrown if a service of the given type is already present in the 83 <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>. 84 </p></dd> 85<dt><span class="term">boost::asio::invalid_service_owner</span></dt> 86<dd><p> 87 Thrown if the service's owning <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a> 88 is not the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a> 89 object specified by the <code class="computeroutput">e</code> parameter. 90 </p></dd> 91</dl> 92</div> 93<h6> 94<a name="boost_asio.reference.thread_pool.add_service.h2"></a> 95 <span class="phrase"><a name="boost_asio.reference.thread_pool.add_service.requirements"></a></span><a class="link" href="add_service.html#boost_asio.reference.thread_pool.add_service.requirements">Requirements</a> 96 </h6> 97<p> 98 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/thread_pool.hpp</code> 99 </p> 100<p> 101 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code> 102 </p> 103</div> 104<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 105<td align="left"></td> 106<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 107 Kohlhoff<p> 108 Distributed under the Boost Software License, Version 1.0. (See accompanying 109 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>) 110 </p> 111</div></td> 112</tr></table> 113<hr> 114<div class="spirit-nav"> 115<a accesskey="p" href="../thread_pool.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../thread_pool.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="attach.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 116</div> 117</body> 118</html> 119
