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_put()</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_free.html" title="DB_ENV->lock_id_free()" /> 12 <link rel="next" href="lockstat.html" title="DB_ENV->lock_stat()" /> 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_put()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="lockid_free.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="lockstat.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="lockput"></a>DB_ENV->lock_put()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_ENV->lock_put(DB_ENV *env, DB_LOCK *lock); </pre> 42 <p> 43 The <code class="methodname">DB_ENV->lock_put()</code> method releases <span class="bold"><strong>lock</strong></span>. 44 </p> 45 <p> 46 The <code class="methodname">DB_ENV->lock_put()</code> <span> 47 <span> 48 method returns a non-zero error value on failure and 0 on success. 49 </span> 50 51 </span> 52 </p> 53 <div class="sect2" lang="en" xml:lang="en"> 54 <div class="titlepage"> 55 <div> 56 <div> 57 <h3 class="title"><a id="id1677877"></a>Parameters</h3> 58 </div> 59 </div> 60 </div> 61 <div class="sect3" lang="en" xml:lang="en"> 62 <div class="titlepage"> 63 <div> 64 <div> 65 <h4 class="title"><a id="id1677871"></a>lock</h4> 66 </div> 67 </div> 68 </div> 69 <p> 70 The <span class="bold"><strong>lock</strong></span> parameter is the lock to be 71 released. 72 </p> 73 </div> 74 </div> 75 <div class="sect2" lang="en" xml:lang="en"> 76 <div class="titlepage"> 77 <div> 78 <div> 79 <h3 class="title"><a id="id1677991"></a>Errors</h3> 80 </div> 81 </div> 82 </div> 83 <p> 84 The <code class="methodname">DB_ENV->lock_put()</code> <span> 85 <span> 86 method may fail and return one of the following non-zero errors: 87 </span> 88 89 </span> 90 </p> 91 <div class="sect3" lang="en" xml:lang="en"> 92 <div class="titlepage"> 93 <div> 94 <div> 95 <h4 class="title"><a id="id1677863"></a>EINVAL</h4> 96 </div> 97 </div> 98 </div> 99 <p> 100 An invalid flag value or parameter was specified. 101 </p> 102 </div> 103 </div> 104 <div class="sect2" lang="en" xml:lang="en"> 105 <div class="titlepage"> 106 <div> 107 <div> 108 <h3 class="title"><a id="id1678076"></a>Class</h3> 109 </div> 110 </div> 111 </div> 112 <p> 113 <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>, 114 <a class="link" href="lock.html" title="Chapter 6. The DB_LOCK Handle">DB_LOCK</a> 115 </p> 116 </div> 117 <div class="sect2" lang="en" xml:lang="en"> 118 <div class="titlepage"> 119 <div> 120 <div> 121 <h3 class="title"><a id="id1678072"></a>See Also</h3> 122 </div> 123 </div> 124 </div> 125 <p> 126 <a class="xref" href="lock.html#locklist" title="Locking Subsystem and Related Methods">Locking Subsystem and Related Methods</a> 127 </p> 128 </div> 129 </div> 130 <div class="navfooter"> 131 <hr /> 132 <table width="100%" summary="Navigation footer"> 133 <tr> 134 <td width="40%" align="left"><a accesskey="p" href="lockid_free.html">Prev</a> </td> 135 <td width="20%" align="center"> 136 <a accesskey="u" href="lock.html">Up</a> 137 </td> 138 <td width="40%" align="right"> <a accesskey="n" href="lockstat.html">Next</a></td> 139 </tr> 140 <tr> 141 <td width="40%" align="left" valign="top">DB_ENV->lock_id_free() </td> 142 <td width="20%" align="center"> 143 <a accesskey="h" href="index.html">Home</a> 144 </td> 145 <td width="40%" align="right" valign="top"> DB_ENV->lock_stat()</td> 146 </tr> 147 </table> 148 </div> 149 </body> 150</html> 151