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6<title>Berkeley DB: DB_ENV-&gt;lock_id_free</title>
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13<b>DB_ENV-&gt;lock_id_free</b>
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20<tt>
21<b><pre>
22#include &lt;db.h&gt;
23<p>
24int
25DB_ENV-&gt;lock_id_free(DB_ENV *env, u_int32_t id);
26</pre></b>
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28<b>Description: DB_ENV-&gt;lock_id_free</b>
29<p>The DB_ENV-&gt;lock_id_free method frees a locker ID allocated by the
30<a href="../api_c/lock_id.html">DB_ENV-&gt;lock_id</a> method.</p>
31<p>The DB_ENV-&gt;lock_id_free method
32returns a non-zero error value on failure
33and 0 on success.
34</p>
35<b>Parameters</b> <br>
36 <b>id</b><ul compact><li>The <b>id</b> parameter is the locker id to be freed.</ul>
37<br>
38<br><b>Errors</b>
39<p>The DB_ENV-&gt;lock_id_free method
40may fail and return one of the following non-zero errors:</p>
41<br>
42<b>EINVAL</b><ul compact><li>If the locker ID is invalid or locks are still held by this locker ID; or if an
43invalid flag value or parameter was specified.</ul>
44<br>
45<hr size=1 noshade>
46<br><b>Class</b>
47<a href="../api_c/env_class.html">DB_ENV</a>, <a href="../api_c/lock_class.html">DB_LOCK</a>
48<br><b>See Also</b>
49<a href="../api_c/lock_list.html">Locking Subsystem and Related Methods</a>
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