78 lines
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78 lines
5.3 KiB
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<title>spawn (13 of 13 overloads)</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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<a accesskey="p" href="overload12.html"><img src="../../../prev.png" alt="Prev"></a><a accesskey="u" href="../spawn.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="../ssl__context.html"><img src="../../../next.png" alt="Next"></a>
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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.spawn.overload13"></a><a class="link" href="overload13.html" title="spawn (13 of 13 overloads)">spawn (13 of 13 overloads)</a>
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</h4></div></div></div>
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<p>
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(Deprecated: Use overloads with a completion token.) Start a new stackful
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coroutine that executes on a given execution context.
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">Function</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">ExecutionContext</span><span class="special">></span>
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<span class="keyword">void</span> <span class="identifier">spawn</span><span class="special">(</span>
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<span class="identifier">ExecutionContext</span> <span class="special">&</span> <span class="identifier">ctx</span><span class="special">,</span>
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<span class="identifier">Function</span> <span class="special">&&</span> <span class="identifier">function</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">coroutines</span><span class="special">::</span><span class="identifier">attributes</span> <span class="special">&</span> <span class="identifier">attributes</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">coroutines</span><span class="special">::</span><span class="identifier">attributes</span><span class="special">(),</span>
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<span class="keyword">typename</span> <span class="identifier">constraint</span><span class="special"><</span> <span class="identifier">is_convertible</span><span class="special"><</span> <span class="identifier">ExecutionContext</span> <span class="special">&,</span> <span class="identifier">execution_context</span> <span class="special">&</span> <span class="special">>::</span><span class="identifier">value</span> <span class="special">>::</span><span class="identifier">type</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>
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</pre>
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<p>
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This function is used to launch a new coroutine.
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</p>
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<h6>
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<a name="asio.reference.spawn.overload13.h0"></a>
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<span><a name="asio.reference.spawn.overload13.parameters"></a></span><a class="link" href="overload13.html#asio.reference.spawn.overload13.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">ctx</span></dt>
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<dd><p>
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Identifies the execution context that will run the coroutine. The
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new coroutine is implicitly given its own strand within this execution
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context.
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</p></dd>
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<dt><span class="term">function</span></dt>
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<dd>
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<p>
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The coroutine function. The function must have the signature:
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</p>
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<pre class="programlisting"><span class="keyword">void</span> <span class="identifier">function</span><span class="special">(</span><span class="identifier">yield_context</span> <span class="identifier">yield</span><span class="special">);</span>
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</pre>
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</dd>
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<dt><span class="term">attributes</span></dt>
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<dd><p>
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Boost.Coroutine attributes used to customise the coroutine.
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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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<div class="copyright-footer">Copyright © 2003-2023 Christopher M. 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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