2011-09-13 17:44:24 +00:00
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<title>DB_ENV->mutex_unlock()</title>
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<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
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<link rel="up" href="mutex.html" title="Chapter 9. Mutex Methods" />
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<link rel="prev" href="mutexstat_print.html" title="DB_ENV->mutex_stat_print()" />
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<link rel="next" href="rep.html" title="Chapter 10. Replication Methods" />
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<div class="libver">
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2012-11-14 21:35:20 +00:00
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<p>Library Version 11.2.5.3</p>
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2011-09-13 17:44:24 +00:00
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<table width="100%" summary="Navigation header">
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<th colspan="3" align="center">DB_ENV->mutex_unlock()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="mutexstat_print.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 9.
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Mutex Methods
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="rep.html">Next</a></td>
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<div class="sect1" lang="en" xml:lang="en">
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<h2 class="title" style="clear: both"><a id="mutexunlock"></a>DB_ENV->mutex_unlock()</h2>
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<pre class="programlisting">#include <db.h>
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int
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DB_ENV->mutex_unlock(DB_ENV *dbenv, db_mutex_t mutex); </pre>
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<p>
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The <code class="methodname">DB_ENV->mutex_unlock()</code> method unlocks the mutex locked by
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<a class="xref" href="mutexlock.html" title="DB_ENV->mutex_lock()">DB_ENV->mutex_lock()</a>.
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</p>
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<p>
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The <code class="methodname">DB_ENV->mutex_unlock()</code> <span>
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<span>
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method returns a non-zero error value on failure and 0 on success.
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</span>
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</span>
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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2012-11-14 21:35:20 +00:00
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<h3 class="title"><a id="idp61800072"></a>Parameters</h3>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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2012-11-14 21:35:20 +00:00
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<h4 class="title"><a id="idp61804608"></a>mutex</h4>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>mutex</strong></span> parameter is a mutex
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previously locked by <a class="xref" href="mutexlock.html" title="DB_ENV->mutex_lock()">DB_ENV->mutex_lock()</a>.
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="idp61798104"></a>Errors</h3>
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2011-09-13 17:44:24 +00:00
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</div>
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<p>
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The <code class="methodname">DB_ENV->mutex_unlock()</code> <span>
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<span>
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method may fail and return one of the following non-zero errors:
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</span>
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</span>
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</p>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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2012-11-14 21:35:20 +00:00
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<h4 class="title"><a id="idp61800464"></a>EINVAL</h4>
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2011-09-13 17:44:24 +00:00
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</div>
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<p>
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An invalid flag value or parameter was specified.
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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2012-11-14 21:35:20 +00:00
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<h3 class="title"><a id="idp61791568"></a>Class</h3>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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2012-11-14 21:35:20 +00:00
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<h3 class="title"><a id="idp61787936"></a>See Also</h3>
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2011-09-13 17:44:24 +00:00
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="mutex.html#mutexlist" title="Mutex Methods">Mutex Methods</a>
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</p>
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</div>
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="mutexstat_print.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="mutex.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="rep.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DB_ENV->mutex_stat_print() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> Chapter 10.
|
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Replication Methods
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</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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