132 lines
8.0 KiB
HTML
132 lines
8.0 KiB
HTML
|
<html>
|
|||
|
|
<head>
|
|||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
|||
|
|
<title>Buffer-oriented asynchronous write stream requirements</title>
|
|||
|
|
<link rel="stylesheet" href="../../boostbook.css" type="text/css">
|
|||
|
|
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
|
|||
|
|
<link rel="home" href="../../index.html" title="Asio">
|
|||
|
|
<link rel="up" href="../reference.html" title="Reference">
|
|||
|
|
<link rel="prev" href="AsyncReadStream.html" title="Buffer-oriented asynchronous read stream requirements">
|
|||
|
|
<link rel="next" href="BufferedHandshakeHandler.html" title="Buffered handshake handler requirements">
|
|||
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|||
|
|
</head>
|
|||
|
|
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
|
|||
|
|
<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../asio.png"></td></tr></table>
|
|||
|
|
<hr>
|
|||
|
|
<div class="spirit-nav">
|
|||
|
|
<a accesskey="p" href="AsyncReadStream.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="BufferedHandshakeHandler.html"><img src="../../next.png" alt="Next"></a>
|
|||
|
|
</div>
|
|||
|
|
<div class="section">
|
|||
|
|
<div class="titlepage"><div><div><h3 class="title">
|
|||
|
|
<a name="asio.reference.AsyncWriteStream"></a><a class="link" href="AsyncWriteStream.html" title="Buffer-oriented asynchronous write stream requirements">Buffer-oriented asynchronous
|
|||
|
|
write stream requirements</a>
|
|||
|
|
</h3></div></div></div>
|
|||
|
|
<p>
|
|||
|
|
A type <code class="computeroutput"><span class="identifier">X</span></code> meets the <code class="computeroutput"><span class="identifier">AsyncWriteStream</span></code> requirements if it satisfies
|
|||
|
|
the requirements listed below.
|
|||
|
|
</p>
|
|||
|
|
<p>
|
|||
|
|
In the table below, <code class="computeroutput"><span class="identifier">a</span></code> denotes
|
|||
|
|
a value of type <code class="computeroutput"><span class="identifier">X</span></code>, <code class="computeroutput"><span class="identifier">cb</span></code> denotes a (possibly const) value satisfying
|
|||
|
|
the <a class="link" href="ConstBufferSequence.html" title="Constant buffer sequence requirements"><code class="computeroutput"><span class="identifier">ConstBufferSequence</span></code></a>
|
|||
|
|
requirements, and <code class="computeroutput"><span class="identifier">t</span></code> is a
|
|||
|
|
completion token.
|
|||
|
|
</p>
|
|||
|
|
<div class="table">
|
|||
|
|
<a name="asio.reference.AsyncWriteStream.t0"></a><p class="title"><b>Table 7. AsyncWriteStream requirements</b></p>
|
|||
|
|
<div class="table-contents"><table class="table" summary="AsyncWriteStream requirements">
|
|||
|
|
<colgroup>
|
|||
|
|
<col>
|
|||
|
|
<col>
|
|||
|
|
<col>
|
|||
|
|
</colgroup>
|
|||
|
|
<thead><tr>
|
|||
|
|
<th>
|
|||
|
|
<p>
|
|||
|
|
operation
|
|||
|
|
</p>
|
|||
|
|
</th>
|
|||
|
|
<th>
|
|||
|
|
<p>
|
|||
|
|
type
|
|||
|
|
</p>
|
|||
|
|
</th>
|
|||
|
|
<th>
|
|||
|
|
<p>
|
|||
|
|
semantics, pre/post-conditions
|
|||
|
|
</p>
|
|||
|
|
</th>
|
|||
|
|
</tr></thead>
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td>
|
|||
|
|
<p>
|
|||
|
|
<code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">get_executor</span><span class="special">()</span></code>
|
|||
|
|
</p>
|
|||
|
|
</td>
|
|||
|
|
<td>
|
|||
|
|
<p>
|
|||
|
|
A type satisfying the <a class="link" href="Executor1.html" title="Executor requirements">Executor
|
|||
|
|
requirements</a>.
|
|||
|
|
</p>
|
|||
|
|
</td>
|
|||
|
|
<td>
|
|||
|
|
<p>
|
|||
|
|
Returns the associated I/O executor.
|
|||
|
|
</p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr>
|
|||
|
|
<td>
|
|||
|
|
<p>
|
|||
|
|
<code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">async_write_some</span><span class="special">(</span><span class="identifier">cb</span><span class="special">,</span><span class="identifier">t</span><span class="special">)</span></code>
|
|||
|
|
</p>
|
|||
|
|
</td>
|
|||
|
|
<td>
|
|||
|
|
<p>
|
|||
|
|
The return type is determined according to the requirements for
|
|||
|
|
an <a class="link" href="asynchronous_operations.html" title="Requirements on asynchronous operations">asynchronous
|
|||
|
|
operation</a>.
|
|||
|
|
</p>
|
|||
|
|
</td>
|
|||
|
|
<td>
|
|||
|
|
<p>
|
|||
|
|
Meets the requirements for a <a class="link" href="read_write_operations.html" title="Requirements on read and write operations">write
|
|||
|
|
operation</a> and an <a class="link" href="asynchronous_operations.html" title="Requirements on asynchronous operations">asynchronous
|
|||
|
|
operation</a> with completion signature <code class="computeroutput"><span class="keyword">void</span><span class="special">(</span><span class="identifier">error_code</span>
|
|||
|
|
<span class="identifier">ec</span><span class="special">,</span>
|
|||
|
|
<span class="identifier">size_t</span> <span class="identifier">n</span><span class="special">)</span></code>.<br> <br> If <code class="computeroutput"><span class="identifier">buffer_size</span><span class="special">(</span><span class="identifier">cb</span><span class="special">)</span>
|
|||
|
|
<span class="special">></span> <span class="number">0</span></code>,
|
|||
|
|
initiates an asynchronous operation to write one or more bytes
|
|||
|
|
of data to the stream <code class="computeroutput"><span class="identifier">a</span></code>
|
|||
|
|
from the buffer sequence <code class="computeroutput"><span class="identifier">cb</span></code>.
|
|||
|
|
If successful, <code class="computeroutput"><span class="identifier">ec</span></code>
|
|||
|
|
is set such that <code class="computeroutput"><span class="special">!</span><span class="identifier">ec</span></code> is <code class="computeroutput"><span class="keyword">true</span></code>,
|
|||
|
|
and <code class="computeroutput"><span class="identifier">n</span></code> is the number
|
|||
|
|
of bytes written. If an error occurred, <code class="computeroutput"><span class="identifier">ec</span></code>
|
|||
|
|
is set such that <code class="computeroutput"><span class="special">!!</span><span class="identifier">ec</span></code> is <code class="computeroutput"><span class="keyword">true</span></code>,
|
|||
|
|
and <code class="computeroutput"><span class="identifier">n</span></code> is 0.<br>
|
|||
|
|
<br> If <code class="computeroutput"><span class="identifier">buffer_size</span><span class="special">(</span><span class="identifier">cb</span><span class="special">)</span> <span class="special">==</span> <span class="number">0</span></code>, the operation completes immediately.
|
|||
|
|
<code class="computeroutput"><span class="identifier">ec</span></code> is set such
|
|||
|
|
that <code class="computeroutput"><span class="special">!</span><span class="identifier">ec</span></code>
|
|||
|
|
is <code class="computeroutput"><span class="keyword">true</span></code>, and <code class="computeroutput"><span class="identifier">n</span></code> is 0.
|
|||
|
|
</p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table></div>
|
|||
|
|
</div>
|
|||
|
|
<br class="table-break">
|
|||
|
|
</div>
|
|||
|
|
<div class="copyright-footer">Copyright © 2003-2023 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>)
|
|||
|
|
</p>
|
|||
|
|
</div>
|
|||
|
|
<hr>
|
|||
|
|
<div class="spirit-nav">
|
|||
|
|
<a accesskey="p" href="AsyncReadStream.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="BufferedHandshakeHandler.html"><img src="../../next.png" alt="Next"></a>
|
|||
|
|
</div>
|
|||
|
|
</body>
|
|||
|
|
</html>
|