1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>windows::basic_random_access_handle::write_some_at (2 of 2 overloads)</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="../write_some_at.html" title="windows::basic_random_access_handle::write_some_at"> 9<link rel="prev" href="overload1.html" title="windows::basic_random_access_handle::write_some_at (1 of 2 overloads)"> 10<link rel="next" href="../../windows__basic_random_access_handle__rebind_executor.html" title="windows::basic_random_access_handle::rebind_executor"> 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="overload1.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../write_some_at.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="../../windows__basic_random_access_handle__rebind_executor.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2"></a><a class="link" href="overload2.html" title="windows::basic_random_access_handle::write_some_at (2 of 2 overloads)">windows::basic_random_access_handle::write_some_at 28 (2 of 2 overloads)</a> 29</h5></div></div></div> 30<p> 31 Write some data to the handle at the specified offset. 32 </p> 33<pre class="programlisting">template< 34 typename <a class="link" href="../../ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a>> 35std::size_t write_some_at( 36 uint64_t offset, 37 const ConstBufferSequence & buffers, 38 boost::system::error_code & ec); 39</pre> 40<p> 41 This function is used to write data to the random-access handle. The 42 function call will block until one or more bytes of the data has been 43 written successfully, or until an error occurs. 44 </p> 45<h6> 46<a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.h0"></a> 47 <span class="phrase"><a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.parameters"></a></span><a class="link" href="overload2.html#boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.parameters">Parameters</a> 48 </h6> 49<div class="variablelist"> 50<p class="title"><b></b></p> 51<dl class="variablelist"> 52<dt><span class="term">offset</span></dt> 53<dd><p> 54 The offset at which the data will be written. 55 </p></dd> 56<dt><span class="term">buffers</span></dt> 57<dd><p> 58 One or more data buffers to be written to the handle. 59 </p></dd> 60<dt><span class="term">ec</span></dt> 61<dd><p> 62 Set to indicate what error occurred, if any. 63 </p></dd> 64</dl> 65</div> 66<h6> 67<a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.h1"></a> 68 <span class="phrase"><a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.return_value"></a></span><a class="link" href="overload2.html#boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.return_value">Return 69 Value</a> 70 </h6> 71<p> 72 The number of bytes written. Returns 0 if an error occurred. 73 </p> 74<h6> 75<a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.h2"></a> 76 <span class="phrase"><a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.remarks"></a></span><a class="link" href="overload2.html#boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.remarks">Remarks</a> 77 </h6> 78<p> 79 The write_some operation may not transmit all of the data to the peer. 80 Consider using the <a class="link" href="../../write_at.html" title="write_at"><code class="computeroutput">write_at</code></a> 81 function if you need to ensure that all data is written before the blocking 82 operation completes. 83 </p> 84</div> 85<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 86<td align="left"></td> 87<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 88 Kohlhoff<p> 89 Distributed under the Boost Software License, Version 1.0. (See accompanying 90 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>) 91 </p> 92</div></td> 93</tr></table> 94<hr> 95<div class="spirit-nav"> 96<a accesskey="p" href="overload1.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../write_some_at.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="../../windows__basic_random_access_handle__rebind_executor.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 97</div> 98</body> 99</html> 100
