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>DbEnv::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 7. The DbLock Handle" /> 11 <link rel="prev" href="lockid_free.html" title="DbEnv::lock_id_free()" /> 12 <link rel="next" href="lockstat.html" title="DbEnv::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">DbEnv::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 7. 23 The DbLock 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>DbEnv::lock_put()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db_cxx.h> 39 40int 41DbEnv::lock_put(DbLock *lock);</pre> 42 <p> 43 The <code class="methodname">DbEnv::lock_put()</code> method releases <span class="bold"><strong>lock</strong></span>. 44 </p> 45 <p> 46 The <code class="methodname">DbEnv::lock_put()</code> <span> 47 48 <span> 49 method either returns a non-zero error value or throws an 50 exception that encapsulates a non-zero error value on 51 failure, and returns 0 on success. 52 </span> 53 </span> 54 </p> 55 <div class="sect2" lang="en" xml:lang="en"> 56 <div class="titlepage"> 57 <div> 58 <div> 59 <h3 class="title"><a id="id1682097"></a>Parameters</h3> 60 </div> 61 </div> 62 </div> 63 <div class="sect3" lang="en" xml:lang="en"> 64 <div class="titlepage"> 65 <div> 66 <div> 67 <h4 class="title"><a id="id1682098"></a>lock</h4> 68 </div> 69 </div> 70 </div> 71 <p> 72 The <span class="bold"><strong>lock</strong></span> parameter is the lock to be 73 released. 74 </p> 75 </div> 76 </div> 77 <div class="sect2" lang="en" xml:lang="en"> 78 <div class="titlepage"> 79 <div> 80 <div> 81 <h3 class="title"><a id="id1682158"></a>Errors</h3> 82 </div> 83 </div> 84 </div> 85 <p> 86 The <code class="methodname">DbEnv::lock_put()</code> <span> 87 88 <span> 89 method may fail and throw a <a class="link" href="dbexception.html" title="Chapter 6. The DbException Class">DbException</a> 90 exception, encapsulating one of the following non-zero errors, or return one 91 of the following non-zero errors: 92 </span> 93 </span> 94 </p> 95 <div class="sect3" lang="en" xml:lang="en"> 96 <div class="titlepage"> 97 <div> 98 <div> 99 <h4 class="title"><a id="id1681894"></a>EINVAL</h4> 100 </div> 101 </div> 102 </div> 103 <p> 104 An invalid flag value or parameter was specified. 105 </p> 106 </div> 107 </div> 108 <div class="sect2" lang="en" xml:lang="en"> 109 <div class="titlepage"> 110 <div> 111 <div> 112 <h3 class="title"><a id="id1682081"></a>Class</h3> 113 </div> 114 </div> 115 </div> 116 <p> 117 <a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>, 118 <a class="link" href="lock.html" title="Chapter 7. The DbLock Handle">DbLock</a> 119 </p> 120 </div> 121 <div class="sect2" lang="en" xml:lang="en"> 122 <div class="titlepage"> 123 <div> 124 <div> 125 <h3 class="title"><a id="id1682180"></a>See Also</h3> 126 </div> 127 </div> 128 </div> 129 <p> 130 <a class="xref" href="lock.html#locklist" title="Locking Subsystem and Related Methods">Locking Subsystem and Related Methods</a> 131 </p> 132 </div> 133 </div> 134 <div class="navfooter"> 135 <hr /> 136 <table width="100%" summary="Navigation footer"> 137 <tr> 138 <td width="40%" align="left"><a accesskey="p" href="lockid_free.html">Prev</a> </td> 139 <td width="20%" align="center"> 140 <a accesskey="u" href="lock.html">Up</a> 141 </td> 142 <td width="40%" align="right"> <a accesskey="n" href="lockstat.html">Next</a></td> 143 </tr> 144 <tr> 145 <td width="40%" align="left" valign="top">DbEnv::lock_id_free() </td> 146 <td width="20%" align="center"> 147 <a accesskey="h" href="index.html">Home</a> 148 </td> 149 <td width="40%" align="right" valign="top"> DbEnv::lock_stat()</td> 150 </tr> 151 </table> 152 </div> 153 </body> 154</html> 155