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<title>basic_datagram_socket::basic_datagram_socket (4 of 6 overloads)</title>
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<div class="titlepage"><div><div><h5 class="title">
<a name="boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4"></a><a class="link" href="overload4.html" title="basic_datagram_socket::basic_datagram_socket (4 of 6 overloads)">basic_datagram_socket::basic_datagram_socket
          (4 of 6 overloads)</a>
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<p>
            Construct a <a class="link" href="../../basic_datagram_socket.html" title="basic_datagram_socket"><code class="computeroutput"><span class="identifier">basic_datagram_socket</span></code></a> on an
            existing native socket.
          </p>
<pre class="programlisting"><span class="identifier">basic_datagram_socket</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">io_service</span> <span class="special">&amp;</span> <span class="identifier">io_service</span><span class="special">,</span>
    <span class="keyword">const</span> <span class="identifier">protocol_type</span> <span class="special">&amp;</span> <span class="identifier">protocol</span><span class="special">,</span>
    <span class="keyword">const</span> <span class="identifier">native_handle_type</span> <span class="special">&amp;</span> <span class="identifier">native_socket</span><span class="special">);</span>
</pre>
<p>
            This constructor creates a datagram socket object to hold an existing
            native socket.
          </p>
<h6>
<a name="boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4.h0"></a>
            <span class="phrase"><a name="boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4.parameters"></a></span><a class="link" href="overload4.html#boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4.parameters">Parameters</a>
          </h6>
<div class="variablelist">
<p class="title"><b></b></p>
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<dt><span class="term">io_service</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
                  the datagram socket will use to dispatch handlers for any asynchronous
                  operations performed on the socket.
                </p></dd>
<dt><span class="term">protocol</span></dt>
<dd><p>
                  An object specifying protocol parameters to be used.
                </p></dd>
<dt><span class="term">native_socket</span></dt>
<dd><p>
                  The new underlying socket implementation.
                </p></dd>
</dl>
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<h6>
<a name="boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4.h1"></a>
            <span class="phrase"><a name="boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4.exceptions"></a></span><a class="link" href="overload4.html#boost_asio.reference.basic_datagram_socket.basic_datagram_socket.overload4.exceptions">Exceptions</a>
          </h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">boost::system::system_error</span></dt>
<dd><p>
                  Thrown on failure.
                </p></dd>
</dl>
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