81 lines
3.8 KiB
HTML
81 lines
3.8 KiB
HTML
<html>
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<title>io_context::strand::defer</title>
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<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../../asio.png"></td></tr></table>
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<div class="section">
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<div class="titlepage"><div><div><h4 class="title">
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<a name="asio.reference.io_context__strand.defer"></a><a class="link" href="defer.html" title="io_context::strand::defer">io_context::strand::defer</a>
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</h4></div></div></div>
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<p>
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<a class="indexterm" name="asio.indexterm.io_context__strand.defer"></a>
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Request the
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strand to invoke the given function object.
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</p>
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<pre class="programlisting">template<
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typename Function,
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typename Allocator>
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void defer(
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Function && f,
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const Allocator & a) const;
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</pre>
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<p>
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This function is used to ask the executor to execute the given function
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object. The function object will never be executed inside this function.
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Instead, it will be scheduled to run by the underlying <a class="link" href="../io_context.html" title="io_context"><code class="computeroutput">io_context</code></a>.
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</p>
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<h6>
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<a name="asio.reference.io_context__strand.defer.h0"></a>
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<span><a name="asio.reference.io_context__strand.defer.parameters"></a></span><a class="link" href="defer.html#asio.reference.io_context__strand.defer.parameters">Parameters</a>
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</h6>
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<div class="variablelist">
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<p class="title"><b></b></p>
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<dl>
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<dt><span class="term">f</span></dt>
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<dd>
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<p>
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The function object to be called. The executor will make a copy of
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the handler object as required. The function signature of the function
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object must be:
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</p>
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<pre class="programlisting">void function();
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</pre>
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<p>
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</p>
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</dd>
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<dt><span class="term">a</span></dt>
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<dd><p>
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An allocator that may be used by the executor to allocate the internal
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storage needed for function invocation.
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</p></dd>
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</dl>
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</div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M.
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Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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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</p>
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