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<div class="titlepage"><div><div><h4 class="title">
<a name="asio.reference.basic_raw_socket.receive_low_watermark"></a><a class="link" href="receive_low_watermark.html" title="basic_raw_socket::receive_low_watermark">
        basic_raw_socket::receive_low_watermark</a>
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<p>
          <span class="emphasis"><em>Inherited from socket_base.</em></span>
        </p>
<p>
          <a class="indexterm" name="id798797"></a> Socket option for the receive low
          watermark.
        </p>
<pre class="programlisting"><span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <span class="identifier">receive_low_watermark</span><span class="special">;</span>
</pre>
<p>
          Implements the SOL_SOCKET/SO_RCVLOWAT socket option.
        </p>
<a name="asio.reference.basic_raw_socket.receive_low_watermark.examples"></a><h6>
<a name="id798846"></a>
          <a class="link" href="receive_low_watermark.html#asio.reference.basic_raw_socket.receive_low_watermark.examples">Examples</a>
        </h6>
<p>
          Setting the option:
        </p>
<pre class="programlisting"><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">socket</span> <span class="identifier">socket</span><span class="special">(</span><span class="identifier">io_service</span><span class="special">);</span> 
<span class="special">...</span>
<span class="identifier">asio</span><span class="special">::</span><span class="identifier">socket_base</span><span class="special">::</span><span class="identifier">receive_low_watermark</span> <span class="identifier">option</span><span class="special">(</span><span class="number">1024</span><span class="special">);</span>
<span class="identifier">socket</span><span class="special">.</span><span class="identifier">set_option</span><span class="special">(</span><span class="identifier">option</span><span class="special">);</span>
</pre>
<p>
          Getting the current option value:
        </p>
<pre class="programlisting"><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">socket</span> <span class="identifier">socket</span><span class="special">(</span><span class="identifier">io_service</span><span class="special">);</span> 
<span class="special">...</span>
<span class="identifier">asio</span><span class="special">::</span><span class="identifier">socket_base</span><span class="special">::</span><span class="identifier">receive_low_watermark</span> <span class="identifier">option</span><span class="special">;</span>
<span class="identifier">socket</span><span class="special">.</span><span class="identifier">get_option</span><span class="special">(</span><span class="identifier">option</span><span class="special">);</span>
<span class="keyword">int</span> <span class="identifier">size</span> <span class="special">=</span> <span class="identifier">option</span><span class="special">.</span><span class="identifier">value</span><span class="special">();</span>
</pre>
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<td align="right"><div class="copyright-footer">Copyright  2003 - 2008 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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