1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>DB_ENV->lock_id_free()</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> 10 <link rel="up" href="lock.html" title="Chapter��6.�� The DB_LOCK Handle" /> 11 <link rel="prev" href="lockid.html" title="DB_ENV->lock_id()" /> 12 <link rel="next" href="lockput.html" title="DB_ENV->lock_put()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB_ENV->lock_id_free()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="lockid.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��6.�� 23 The DB_LOCK Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="lockput.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="lockid_free"></a>DB_ENV->lock_id_free()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_ENV->lock_id_free(DB_ENV *env, u_int32_t id); </pre> 42 <p> 43 The <code class="methodname">DB_ENV->lock_id_free()</code> method frees a locker ID allocated by the 44 <a class="xref" href="lockid.html" title="DB_ENV->lock_id()">DB_ENV->lock_id()</a> method. 45 </p> 46 <p> 47 The <code class="methodname">DB_ENV->lock_id_free()</code> <span> 48 <span> 49 method returns a non-zero error value on failure and 0 on success. 50 </span> 51 52 </span> 53 </p> 54 <div class="sect2" lang="en" xml:lang="en"> 55 <div class="titlepage"> 56 <div> 57 <div> 58 <h3 class="title"><a id="id1677186"></a>Parameters</h3> 59 </div> 60 </div> 61 </div> 62 <div class="sect3" lang="en" xml:lang="en"> 63 <div class="titlepage"> 64 <div> 65 <div> 66 <h4 class="title"><a id="id1677441"></a>id</h4> 67 </div> 68 </div> 69 </div> 70 <p> 71 The <span class="bold"><strong>id</strong></span> parameter is the locker id to 72 be freed. 73 </p> 74 </div> 75 </div> 76 <div class="sect2" lang="en" xml:lang="en"> 77 <div class="titlepage"> 78 <div> 79 <div> 80 <h3 class="title"><a id="id1677738"></a>Errors</h3> 81 </div> 82 </div> 83 </div> 84 <p> 85 The <code class="methodname">DB_ENV->lock_id_free()</code> <span> 86 <span> 87 method may fail and return one of the following non-zero errors: 88 </span> 89 90 </span> 91 </p> 92 <div class="sect3" lang="en" xml:lang="en"> 93 <div class="titlepage"> 94 <div> 95 <div> 96 <h4 class="title"><a id="id1677812"></a>EINVAL</h4> 97 </div> 98 </div> 99 </div> 100 <p> 101 If the locker ID is invalid or locks are still held by this locker ID; 102 or if an invalid flag value or parameter was specified. 103 </p> 104 </div> 105 </div> 106 <div class="sect2" lang="en" xml:lang="en"> 107 <div class="titlepage"> 108 <div> 109 <div> 110 <h3 class="title"><a id="id1677057"></a>Class</h3> 111 </div> 112 </div> 113 </div> 114 <p> 115 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a>, 116 <a class="link" href="lock.html" title="Chapter��6.�� The DB_LOCK Handle">DB_LOCK</a> 117 </p> 118 </div> 119 <div class="sect2" lang="en" xml:lang="en"> 120 <div class="titlepage"> 121 <div> 122 <div> 123 <h3 class="title"><a id="id1676790"></a>See Also</h3> 124 </div> 125 </div> 126 </div> 127 <p> 128 <a class="xref" href="lock.html#locklist" title="Locking Subsystem and Related Methods">Locking Subsystem and Related Methods</a> 129 </p> 130 </div> 131 </div> 132 <div class="navfooter"> 133 <hr /> 134 <table width="100%" summary="Navigation footer"> 135 <tr> 136 <td width="40%" align="left"><a accesskey="p" href="lockid.html">Prev</a>��</td> 137 <td width="20%" align="center"> 138 <a accesskey="u" href="lock.html">Up</a> 139 </td> 140 <td width="40%" align="right">��<a accesskey="n" href="lockput.html">Next</a></td> 141 </tr> 142 <tr> 143 <td width="40%" align="left" valign="top">DB_ENV->lock_id()��</td> 144 <td width="20%" align="center"> 145 <a accesskey="h" href="index.html">Home</a> 146 </td> 147 <td width="40%" align="right" valign="top">��DB_ENV->lock_put()</td> 148 </tr> 149 </table> 150 </div> 151 </body> 152</html> 153