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<div class="titlepage"><div><div><h3 class="title">
<a name="asio.reference.add_service"></a><a class="link" href="add_service.html" title="add_service">add_service</a>
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<p>
        <a class="indexterm" name="idm26348"></a>
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<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
    <span class="keyword">typename</span> <a class="link" href="Service.html" title="Service requirements">Service</a><span class="special">&gt;</span>
<span class="keyword">void</span> <span class="identifier">add_service</span><span class="special">(</span>
    <span class="identifier">io_service</span> <span class="special">&amp;</span> <span class="identifier">ios</span><span class="special">,</span>
    <span class="identifier">Service</span> <span class="special">*</span> <span class="identifier">svc</span><span class="special">);</span>
</pre>
<p>
        This function is used to add a service to the <a class="link" href="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></code></a>.
      </p>
<h5>
<a name="asio.reference.add_service.h0"></a>
        <span><a name="asio.reference.add_service.parameters"></a></span><a class="link" href="add_service.html#asio.reference.add_service.parameters">Parameters</a>
      </h5>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">ios</span></dt>
<dd><p>
              The <a class="link" href="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></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="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></code></a>. When the <a class="link" href="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></code></a>
              object is destroyed, it will destroy the service object by performing:
</p>
<pre class="programlisting"><span class="keyword">delete</span> <span class="keyword">static_cast</span><span class="special">&lt;</span><span class="identifier">io_service</span><span class="special">::</span><span class="identifier">service</span><span class="special">*&gt;(</span><span class="identifier">svc</span><span class="special">)</span>
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<h5>
<a name="asio.reference.add_service.h1"></a>
        <span><a name="asio.reference.add_service.exceptions"></a></span><a class="link" href="add_service.html#asio.reference.add_service.exceptions">Exceptions</a>
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<p class="title"><b></b></p>
<dl>
<dt><span class="term">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="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></code></a>.
            </p></dd>
<dt><span class="term">asio::invalid_service_owner</span></dt>
<dd><p>
              Thrown if the service's owning <a class="link" href="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></code></a> is not the <a class="link" href="io_service.html" title="io_service"><code class="computeroutput"><span class="identifier">io_service</span></code></a>
              object specified by the ios parameter.
            </p></dd>
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<h5>
<a name="asio.reference.add_service.h2"></a>
        <span><a name="asio.reference.add_service.requirements"></a></span><a class="link" href="add_service.html#asio.reference.add_service.requirements">Requirements</a>
      </h5>
<p>
        <span class="emphasis"><em>Header: </em></span><code class="literal">asio/io_service.hpp</code>
      </p>
<p>
        <span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio.hpp</code>
      </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2003-2016 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>)
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