man/v1.3.2/nng_aio_set_input.3.html


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---
version: v1.3.2
layout: manpage_v2
---
<h1>nng_aio_set_input(3)</h1>
<div class="sect1">
<h2 id="_name">NAME</h2>
<div class="sectionbody">
<div class="paragraph">
<p>nng_aio_set_input - set input parameter</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="pygments highlight"><code data-lang="c"><span class="tok-cp">#include</span> <span class="tok-cpf">&lt;nng/nng.h&gt;</span><span class="tok-cp">
</span><span class="tok-cp"></span>
<span class="tok-kt">void</span> <span class="tok-nf">nng_aio_set_input</span><span class="tok-p">(</span><span class="tok-n">nng_aio</span> <span class="tok-o">*</span><span class="tok-n">aio</span><span class="tok-p">,</span> <span class="tok-kt">unsigned</span> <span class="tok-kt">int</span> <span class="tok-n">index</span><span class="tok-p">,</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">param</span><span class="tok-p">);</span></code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph">
<p>The <code>nng_aio_set_input()</code> function sets the input parameter at <em>index</em>
to <em>param</em> for the asynchronous operation associated with <em>aio</em>.</p>
</div>
<div class="paragraph">
<p>The type and semantics of input parameters are determined by specific
operations; the caller must supply appropriate inputs for the operation
to be performed.</p>
</div>
<div class="paragraph">
<p>The valid values of <em>index</em> range from zero (0) to three (3), as no operation
currently defined can accept more than four parameters.
(This limit could increase in the future.)</p>
</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<i class="fa icon-note" title="Note"></i>
</td>
<td class="content">
If the <em>index</em> does not correspond to a defined input for the operation,
then this function will have no effect.
</td>
</tr>
</table>
</div>
<div class="admonitionblock important">
<table>
<tr>
<td class="icon">
<i class="fa icon-important" title="Important"></i>
</td>
<td class="content">
It is an error to call this function while the <em>aio</em> is currently
in use by an active asynchronous operation.
</td>
</tr>
</table>
</div>
<div class="paragraph">
<p>An input parameter set with this function may be retrieved later with
the <a href="nng_aio_get_input.3.html"><code>nng_aio_get_input()</code></a> function.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_return_values">RETURN VALUES</h2>
<div class="sectionbody">
<div class="paragraph">
<p>None.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_errors">ERRORS</h2>
<div class="sectionbody">
<div class="paragraph">
<p>None.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph text-left">
<p><a href="nng_aio_alloc.3.html">nng_aio_alloc(3)</a>,
<a href="nng_aio_get_input.3.html">nng_aio_get_input(3)</a>,
<a href="nng_aio_get_output.3.html">nng_aio_get_output(3)</a>,
<a href="nng_aio_result.3.html">nng_aio_result(3)</a>,
<a href="nng_aio.5.html">nng_aio(5)</a>,
<a href="nng.7.html">nng(7)</a></p>
</div>
</div>
</div>