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version: tip
layout: manpage_v2
title: nng_ctx_close(3)
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<h1>nng_ctx_close(3)</h1>
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<h2 id="_name">NAME</h2>
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<p>nng_ctx_close - close context</p>
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<h2 id="_synopsis">SYNOPSIS</h2>
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<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span><span class="tok-w"> </span><span class="tok-cpf">&lt;nng/nng.h&gt;</span>

<span class="tok-kt">int</span><span class="tok-w"> </span><span class="tok-nf">nng_ctx_close</span><span class="tok-p">(</span><span class="tok-n">nng_ctx</span><span class="tok-w"> </span><span class="tok-n">ctx</span><span class="tok-p">);</span></code></pre>
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<h2 id="_description">DESCRIPTION</h2>
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<p>The <code>nng_ctx_close()</code> function closes the context <em>ctx</em>.
Messages that have been submitted for sending may be flushed or delivered,
depending upon the transport.</p>
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<p>Further attempts to use the context after this call returns will result
in <code>NNG_ECLOSED</code>.
Threads waiting for operations on the context when this
call is executed may also return with an <code>NNG_ECLOSED</code> result.</p>
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Closing the socket associated with <em>ctx</em>
(using <a href="nng_close.3.html"><code>nng_close()</code></a>) also closes this context.
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<h2 id="_return_values">RETURN VALUES</h2>
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<p>This function returns 0 on success, and non-zero otherwise.</p>
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<h2 id="_errors">ERRORS</h2>
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<code>NNG_ECLOSED</code>
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<p>The context <em>ctx</em> is already closed or was never opened.</p>
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<h2 id="_see_also">SEE ALSO</h2>
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<p><a href="nng_ctx_open.3.html">nng_ctx_open(3)</a>,
<a href="nng_strerror.3.html">nng_strerror(3)</a>,
<a href="nng_ctx.5.html">nng_ctx(5)</a>,
<a href="nng.7.html">nng(7)</a></p>
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