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<div class="titlepage"><div><div><h4 class="title">
<a name="asio.reference.ssl__stream.async_write_some"></a><a class="link" href="async_write_some.html" title="ssl::stream::async_write_some"> ssl::stream::async_write_some</a>
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<p>
<a class="indexterm" name="id1009178"></a>
Start an asynchronous write.
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
<span class="keyword">typename</span> <a class="link" href="../ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a><span class="special">,</span>
<span class="keyword">typename</span> <a class="link" href="../WriteHandler.html" title="Write handler requirements">WriteHandler</a><span class="special">></span>
<span class="keyword">void</span> <span class="identifier">async_write_some</span><span class="special">(</span>
<span class="keyword">const</span> <span class="identifier">ConstBufferSequence</span> <span class="special">&</span> <span class="identifier">buffers</span><span class="special">,</span>
<span class="identifier">WriteHandler</span> <span class="identifier">handler</span><span class="special">);</span>
</pre>
<p>
This function is used to asynchronously write one or more bytes of data
to the stream. The function call always returns immediately.
</p>
<a name="asio.reference.ssl__stream.async_write_some.parameters"></a><h6>
<a name="id1009309"></a>
<a class="link" href="async_write_some.html#asio.reference.ssl__stream.async_write_some.parameters">Parameters</a>
</h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">buffers</span></dt>
<dd><p>
The data to be written to the stream. Although the buffers object may
be copied as necessary, ownership of the underlying buffers is retained
by the caller, which must guarantee that they remain valid until the
handler is called.
</p></dd>
<dt><span class="term">handler</span></dt>
<dd>
<p>
The handler to be called when the write operation completes. Copies
will be made of the handler as required. The equivalent function signature
of the handler must be:
</p>
<pre class="programlisting"><span class="keyword">void</span> <span class="identifier">handler</span><span class="special">(</span>
<span class="keyword">const</span> <span class="identifier">asio</span><span class="special">::</span><span class="identifier">error_code</span><span class="special">&</span> <span class="identifier">error</span><span class="special">,</span> <span class="comment">// Result of operation.
</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">bytes_transferred</span> <span class="comment">// Number of bytes written.
</span><span class="special">);</span>
</pre>
<p>
</p>
</dd>
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<a name="asio.reference.ssl__stream.async_write_some.remarks"></a><h6>
<a name="id1009457"></a>
<a class="link" href="async_write_some.html#asio.reference.ssl__stream.async_write_some.remarks">Remarks</a>
</h6>
<p>
The async_write_some operation may not transmit all of the data to the
peer. Consider using the <a class="link" href="../async_write.html" title="async_write"><code class="computeroutput"><span class="identifier">async_write</span></code></a> function if you need
to ensure that all data is written before the blocking operation completes.
</p>
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<td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 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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