doc/html/boost_asio/reference/execution_context/add_service.html


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<title>execution_context::add_service</title>
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<div class="titlepage"><div><div><h4 class="title">
<a name="boost_asio.reference.execution_context.add_service"></a><a class="link" href="add_service.html" title="execution_context::add_service">execution_context::add_service</a>
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<p>
          <a class="indexterm" name="boost_asio.indexterm.execution_context.add_service"></a> 
(Deprecated:
          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>.
        </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="../Service.html" title="Service requirements">Service</a>&gt;
friend void add_service(
    execution_context &amp; e,
    Service * svc);
</pre>
<p>
          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>.
        </p>
<h6>
<a name="boost_asio.reference.execution_context.add_service.h0"></a>
          <span class="phrase"><a name="boost_asio.reference.execution_context.add_service.parameters"></a></span><a class="link" href="add_service.html#boost_asio.reference.execution_context.add_service.parameters">Parameters</a>
        </h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">e</span></dt>
<dd><p>
                The <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>
                object that owns the service.
              </p></dd>
<dt><span class="term">svc</span></dt>
<dd>
<p>
                The service object. On success, ownership of the service object is
                transferred to the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>.
                When the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>
                object is destroyed, it will destroy the service object by performing:
</p>
<pre class="programlisting">delete static_cast&lt;execution_context::service*&gt;(svc)
</pre>
<p>
              </p>
</dd>
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<h6>
<a name="boost_asio.reference.execution_context.add_service.h1"></a>
          <span class="phrase"><a name="boost_asio.reference.execution_context.add_service.exceptions"></a></span><a class="link" href="add_service.html#boost_asio.reference.execution_context.add_service.exceptions">Exceptions</a>
        </h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">boost::asio::service_already_exists</span></dt>
<dd><p>
                Thrown if a service of the given type is already present in the
                <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>.
              </p></dd>
<dt><span class="term">boost::asio::invalid_service_owner</span></dt>
<dd><p>
                Thrown if the service's owning <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>
                is not the <a class="link" href="../execution_context.html" title="execution_context"><code class="computeroutput">execution_context</code></a>
                object specified by the <code class="computeroutput">e</code> parameter.
              </p></dd>
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<h6>
<a name="boost_asio.reference.execution_context.add_service.h2"></a>
          <span class="phrase"><a name="boost_asio.reference.execution_context.add_service.requirements"></a></span><a class="link" href="add_service.html#boost_asio.reference.execution_context.add_service.requirements">Requirements</a>
        </h6>
<p>
          <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/execution_context.hpp</code>
        </p>
<p>
          <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
        </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2003-2018 Christopher M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
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