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- <a name="boost_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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- <span class="emphasis"><em>Inherited from socket_base.</em></span>
- </p>
- <p>
- <a class="indexterm" name="idp38451744"></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>
- <h6>
- <a name="boost_asio.reference.basic_raw_socket.receive_low_watermark.h0"></a>
- <span class="phrase"><a name="boost_asio.reference.basic_raw_socket.receive_low_watermark.examples"></a></span><a class="link" href="receive_low_watermark.html#boost_asio.reference.basic_raw_socket.receive_low_watermark.examples">Examples</a>
- </h6>
- <p>
- Setting the option:
- </p>
- <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><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">boost</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">boost</span><span class="special">::</span><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">boost</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>
- <h6>
- <a name="boost_asio.reference.basic_raw_socket.receive_low_watermark.h1"></a>
- <span class="phrase"><a name="boost_asio.reference.basic_raw_socket.receive_low_watermark.requirements"></a></span><a class="link" href="receive_low_watermark.html#boost_asio.reference.basic_raw_socket.receive_low_watermark.requirements">Requirements</a>
- </h6>
- <p>
- <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/basic_raw_socket.hpp</code>
- </p>
- <p>
- <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
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