1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>buffered_stream::flush</title> 5<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../buffered_stream.html" title="buffered_stream"> 9<link rel="prev" href="fill/overload2.html" title="buffered_stream::fill (2 of 2 overloads)"> 10<link rel="next" href="flush/overload1.html" title="buffered_stream::flush (1 of 2 overloads)"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="fill/overload2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../buffered_stream.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="flush/overload1.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_asio.reference.buffered_stream.flush"></a><a class="link" href="flush.html" title="buffered_stream::flush">buffered_stream::flush</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.buffered_stream.flush"></a> 31Flush all 32 data from the buffer to the next layer. Returns the number of bytes written 33 to the next layer on the last write operation. Throws an exception on failure. 34 </p> 35<pre class="programlisting">std::size_t <a class="link" href="flush/overload1.html" title="buffered_stream::flush (1 of 2 overloads)">flush</a>(); 36 <span class="emphasis"><em>» <a class="link" href="flush/overload1.html" title="buffered_stream::flush (1 of 2 overloads)">more...</a></em></span> 37</pre> 38<p> 39 Flush all data from the buffer to the next layer. Returns the number of 40 bytes written to the next layer on the last write operation, or 0 if an 41 error occurred. 42 </p> 43<pre class="programlisting">std::size_t <a class="link" href="flush/overload2.html" title="buffered_stream::flush (2 of 2 overloads)">flush</a>( 44 boost::system::error_code & ec); 45 <span class="emphasis"><em>» <a class="link" href="flush/overload2.html" title="buffered_stream::flush (2 of 2 overloads)">more...</a></em></span> 46</pre> 47</div> 48<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 49<td align="left"></td> 50<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 51 Kohlhoff<p> 52 Distributed under the Boost Software License, Version 1.0. (See accompanying 53 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>) 54 </p> 55</div></td> 56</tr></table> 57<hr> 58<div class="spirit-nav"> 59<a accesskey="p" href="fill/overload2.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../buffered_stream.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="flush/overload1.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 60</div> 61</body> 62</html> 63