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<title>Berkeley DB Reference Guide: Release 4.0: DB_ENV->lock_id_free</title>
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<table width="100%"><tr valign=top>
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<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></h3></td>
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<h1 align=center>Release 4.0: DB_ENV->lock_id_free</h1>
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<p>A new locker ID related API, the <a href="../../api_c/lock_id_free.html">DB_ENV->lock_id_free</a> method, was added to
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Berkeley DB 4.0 release. Applications using the <a href="../../api_c/lock_id.html">DB_ENV->lock_id</a> method to allocate
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locker IDs may want to update their applications to free the locker ID
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when it is no longer needed.
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