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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="titlepage"><div><div><h3 class="title">
<a name="asio.reference.post"></a><a class="link" href="post.html" title="post">post</a>
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<p>
<a class="indexterm" name="asio.indexterm.post"></a>
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<p>
Submits a completion token or function object for execution.
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
<span class="keyword">typename</span> <a class="link" href="NullaryToken.html" title="Nullary token requirements">NullaryToken</a><span class="special">></span>
<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="post/overload1.html" title="post (1 of 3 overloads)">post</a><span class="special">(</span>
<span class="identifier">NullaryToken</span> <span class="special">&&</span> <span class="identifier">token</span><span class="special">);</span>
<span class="emphasis"><em>» <a class="link" href="post/overload1.html" title="post (1 of 3 overloads)">more...</a></em></span>
<span class="keyword">template</span><span class="special"><</span>
<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
<span class="keyword">typename</span> <a class="link" href="NullaryToken.html" title="Nullary token requirements">NullaryToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="post/overload2.html" title="post (2 of 3 overloads)">post</a><span class="special">(</span>
<span class="keyword">const</span> <span class="identifier">Executor</span> <span class="special">&</span> <span class="identifier">ex</span><span class="special">,</span>
<span class="identifier">NullaryToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">constraint</span><span class="special"><</span> <span class="special">(</span><span class="identifier">execution</span><span class="special">::</span><span class="identifier">is_executor</span><span class="special"><</span> <span class="identifier">Executor</span> <span class="special">>::</span><span class="identifier">value</span> <span class="special">&&</span><span class="identifier">can_require</span><span class="special"><</span> <span class="identifier">Executor</span><span class="special">,</span> <span class="identifier">execution</span><span class="special">::</span><span class="identifier">blocking_t</span><span class="special">::</span><span class="identifier">never_t</span> <span class="special">>::</span><span class="identifier">value</span><span class="special">)||</span><span class="identifier">is_executor</span><span class="special"><</span> <span class="identifier">Executor</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>
<span class="emphasis"><em>» <a class="link" href="post/overload2.html" title="post (2 of 3 overloads)">more...</a></em></span>
<span class="keyword">template</span><span class="special"><</span>
<span class="keyword">typename</span> <span class="identifier">ExecutionContext</span><span class="special">,</span>
<span class="keyword">typename</span> <a class="link" href="NullaryToken.html" title="Nullary token requirements">NullaryToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="post/overload3.html" title="post (3 of 3 overloads)">post</a><span class="special">(</span>
<span class="identifier">ExecutionContext</span> <span class="special">&</span> <span class="identifier">ctx</span><span class="special">,</span>
<span class="identifier">NullaryToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">,</span>
<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>
<span class="emphasis"><em>» <a class="link" href="post/overload3.html" title="post (3 of 3 overloads)">more...</a></em></span>
</pre>
<h5>
<a name="asio.reference.post.h0"></a>
<span><a name="asio.reference.post.requirements"></a></span><a class="link" href="post.html#asio.reference.post.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">asio/post.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio.hpp</code>
</p>
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