libdb/docs/api_reference/C/mutexunlock.html
2012-11-14 16:35:20 -05:00

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Mutex Methods
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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>
<p>
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()">DB_ENV-&gt;mutex_lock()</a>.
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The <code class="methodname">DB_ENV-&gt;mutex_unlock()</code> <span>
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method returns a non-zero error value on failure and 0 on success.
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<h3 class="title"><a id="idp61800072"></a>Parameters</h3>
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<h4 class="title"><a id="idp61804608"></a>mutex</h4>
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The <span class="bold"><strong>mutex</strong></span> parameter is a mutex
previously locked by <a class="xref" href="mutexlock.html" title="DB_ENV-&gt;mutex_lock()">DB_ENV-&gt;mutex_lock()</a>.
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The <code class="methodname">DB_ENV-&gt;mutex_unlock()</code> <span>
<span>
method may fail and return one of the following non-zero errors:
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<h4 class="title"><a id="idp61800464"></a>EINVAL</h4>
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An invalid flag value or parameter was specified.
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<a class="link" href="env.html" title="Chapter 5.  The DB_ENV Handle">DB_ENV</a>
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<a class="xref" href="mutex.html#mutexlist" title="Mutex Methods">Mutex Methods</a>
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Replication Methods
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