67 lines
3.7 KiB
HTML
67 lines
3.7 KiB
HTML
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
|
<title>strand::query</title>
|
|
<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css">
|
|
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
|
|
<link rel="home" href="../../../boost_asio.html" title="Boost.Asio">
|
|
<link rel="up" href="../strand.html" title="strand">
|
|
<link rel="prev" href="prefer.html" title="strand::prefer">
|
|
<link rel="next" href="require.html" title="strand::require">
|
|
</head>
|
|
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
|
|
<table cellpadding="2" width="100%"><tr>
|
|
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
|
|
<td align="center"><a href="../../../../../index.html">Home</a></td>
|
|
<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td>
|
|
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
|
|
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
|
|
<td align="center"><a href="../../../../../more/index.htm">More</a></td>
|
|
</tr></table>
|
|
<hr>
|
|
<div class="spirit-nav">
|
|
<a accesskey="p" href="prefer.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strand.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="require.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
|
|
</div>
|
|
<div class="section">
|
|
<div class="titlepage"><div><div><h4 class="title">
|
|
<a name="boost_asio.reference.strand.query"></a><a class="link" href="query.html" title="strand::query">strand::query</a>
|
|
</h4></div></div></div>
|
|
<p>
|
|
<a class="indexterm" name="boost_asio.indexterm.strand.query"></a>
|
|
Forward a query to the underlying
|
|
executor.
|
|
</p>
|
|
<pre class="programlisting">template<
|
|
typename Property>
|
|
constraint< can_query< const Executor &, Property >::value, typename conditional< is_convertible< Property, execution::blocking_t >::value, execution::blocking_t, typename query_result< const Executor &, Property >::type >::type >::type query(
|
|
const Property & p) const;
|
|
</pre>
|
|
<p>
|
|
Do not call this function directly. It is intended for use with the <a class="link" href="../query.html" title="query"><code class="computeroutput">query</code></a> customisation
|
|
point.
|
|
</p>
|
|
<p>
|
|
For example:
|
|
</p>
|
|
<pre class="programlisting">boost::asio::strand<my_executor_type> ex = ...;
|
|
if (boost::asio::query(ex, boost::asio::execution::blocking)
|
|
== boost::asio::execution::blocking.never)
|
|
...
|
|
</pre>
|
|
</div>
|
|
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
|
<td align="left"></td>
|
|
<td align="right"><div class="copyright-footer">Copyright © 2003-2021 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></td>
|
|
</tr></table>
|
|
<hr>
|
|
<div class="spirit-nav">
|
|
<a accesskey="p" href="prefer.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strand.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="require.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
|
|
</div>
|
|
</body>
|
|
</html>
|