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<!--Id: lock_id_free.so,v 10.1 2001/09/25 15:18:55 bostic Exp -->
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<title>Berkeley DB: DB_ENV->lock_id_free</title>
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<h1>DB_ENV->lock_id_free</h1>
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<h3><pre>
#include <db.h>
<p>
int
DB_ENV->lock_id_free(DB_ENV *env, u_int32_t id);
</pre></h3>
<h1>Description</h1>
<p>The DB_ENV->lock_id_free function frees a locker ID allocated by the
DB_ENV->lock_id function.
<p>The DB_ENV->lock_id_free function returns a non-zero error value on failure and 0 on success.
<h1>Errors</h1>
<p><dl compact>
<p><dt>EINVAL<dd>An invalid flag value or parameter was specified.
<p>The locker ID is invalid or locks are still held by this locker ID.
</dl>
<p>The DB_ENV->lock_id_free function may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions.
If a catastrophic error has occurred, the DB_ENV->lock_id_free function may fail and return
<a href="../ref/program/errorret.html#DB_RUNRECOVERY">DB_RUNRECOVERY</a>, in which case all subsequent Berkeley DB calls will fail
in the same way.
<h1>See Also</h1>
<a href="../api_c/env_set_lk_conflicts.html">DB_ENV->set_lk_conflicts</a>,
<a href="../api_c/env_set_lk_detect.html">DB_ENV->set_lk_detect</a>,
<a href="../api_c/env_set_lk_max_lockers.html">DB_ENV->set_lk_max_lockers</a>,
<a href="../api_c/env_set_lk_max_locks.html">DB_ENV->set_lk_max_locks</a>,
<a href="../api_c/env_set_lk_max_objects.html">DB_ENV->set_lk_max_objects</a>,
<a href="../api_c/lock_detect.html">DB_ENV->lock_detect</a>,
<a href="../api_c/lock_get.html">DB_ENV->lock_get</a>,
<a href="../api_c/lock_id.html">DB_ENV->lock_id</a>,
<a href="../api_c/lock_id_free.html">DB_ENV->lock_id_free</a>,
<a href="../api_c/lock_put.html">DB_ENV->lock_put</a>,
<a href="../api_c/lock_stat.html">DB_ENV->lock_stat</a>,
and
<a href="../api_c/lock_vec.html">DB_ENV->lock_vec</a>.
</tt>
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