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            <h2 class="title" style="clear: both"><a id="mutexunlock"></a>DB_ENV-&gt;mutex_unlock()</h2>
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      <pre class="programlisting">#include &lt;db.h&gt;

int
DB_ENV-&gt;mutex_unlock(DB_ENV *dbenv, db_mutex_t mutex);  </pre>
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            The <code class="methodname">DB_ENV-&gt;mutex_unlock()</code> method unlocks the mutex locked by 
            <a class="xref" href="mutexlock.html" title="DB_ENV-&gt;mutex_lock(