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->get_lk_detect()</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="envget_lk_conflicts.html" title="DB_ENV->get_lk_conflicts()" /> 12 <link rel="next" href="envget_lk_max_lockers.html" title="DB_ENV->get_lk_max_lockers()" /> 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->get_lk_detect()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="envget_lk_conflicts.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="envget_lk_max_lockers.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="envget_lk_detect"></a>DB_ENV->get_lk_detect()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_ENV->get_lk_detect(DB_ENV *dbenv, u_int32_t *lk_detectp); </pre> 42 <p> 43 The <code class="methodname">DB_ENV->get_lk_detect()</code> method returns the deadlock detector 44 configuration. You can manage this using the 45 <a class="xref" href="envset_lk_detect.html" title="DB_ENV->set_lk_detect()">DB_ENV->set_lk_detect()</a> method. 46 </p> 47 <p> 48 The <code class="methodname">DB_ENV->get_lk_detect()</code> method may be called at any time during 49 the life of the application. 50 </p> 51 <p> 52 The <code class="methodname">DB_ENV->get_lk_detect()</code> <span> 53 <span> 54 method returns a non-zero error value on failure and 0 on success. 55 </span> 56 57 </span> 58 </p> 59 <div class="sect2" lang="en" xml:lang="en"> 60 <div class="titlepage"> 61 <div> 62 <div> 63 <h3 class="title"><a id="id1674374"></a>Parameters</h3> 64 </div> 65 </div> 66 </div> 67 <div class="sect3" lang="en" xml:lang="en"> 68 <div class="titlepage"> 69 <div> 70 <div> 71 <h4 class="title"><a id="id1674347"></a>lk_detectp</h4> 72 </div> 73 </div> 74 </div> 75 <p> 76 The <code class="methodname">DB_ENV->get_lk_detect()</code> method returns the deadlock detector 77 configuration in <span class="bold"><strong>lk_detectp</strong></span>. 78 </p> 79 </div> 80 </div> 81 <div class="sect2" lang="en" xml:lang="en"> 82 <div class="titlepage"> 83 <div> 84 <div> 85 <h3 class="title"><a id="id1674375"></a>Errors</h3> 86 </div> 87 </div> 88 </div> 89 <p> 90 The <code class="methodname">DB_ENV->get_lk_detect()</code> <span> 91 <span> 92 method may fail and return one of the following non-zero errors: 93 </span> 94 95 </span> 96 </p> 97 <div class="sect3" lang="en" xml:lang="en"> 98 <div class="titlepage"> 99 <div> 100 <div> 101 <h4 class="title"><a id="id1674345"></a>EINVAL</h4> 102 </div> 103 </div> 104 </div> 105 <p> 106 The method was called on an environment which had been 107 opened without being configured for locking. 108 </p> 109 </div> 110 </div> 111 <div class="sect2" lang="en" xml:lang="en"> 112 <div class="titlepage"> 113 <div> 114 <div> 115 <h3 class="title"><a id="id1674135"></a>Class</h3> 116 </div> 117 </div> 118 </div> 119 <p> 120 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a>, 121 <a class="link" href="lock.html" title="Chapter��6.�� The DB_LOCK Handle">DB_LOCK</a> 122 </p> 123 </div> 124 <div class="sect2" lang="en" xml:lang="en"> 125 <div class="titlepage"> 126 <div> 127 <div> 128 <h3 class="title"><a id="id1674214"></a>See Also</h3> 129 </div> 130 </div> 131 </div> 132 <p> 133 <a class="xref" href="lock.html#locklist" title="Locking Subsystem and Related Methods">Locking Subsystem and Related Methods</a>, 134 <a class="xref" href="envset_lk_detect.html" title="DB_ENV->set_lk_detect()">DB_ENV->set_lk_detect()</a> 135 </p> 136 </div> 137 </div> 138 <div class="navfooter"> 139 <hr /> 140 <table width="100%" summary="Navigation footer"> 141 <tr> 142 <td width="40%" align="left"><a accesskey="p" href="envget_lk_conflicts.html">Prev</a>��</td> 143 <td width="20%" align="center"> 144 <a accesskey="u" href="lock.html">Up</a> 145 </td> 146 <td width="40%" align="right">��<a accesskey="n" href="envget_lk_max_lockers.html">Next</a></td> 147 </tr> 148 <tr> 149 <td width="40%" align="left" valign="top">DB_ENV->get_lk_conflicts()��</td> 150 <td width="20%" align="center"> 151 <a accesskey="h" href="index.html">Home</a> 152 </td> 153 <td width="40%" align="right" valign="top">��DB_ENV->get_lk_max_lockers()</td> 154 </tr> 155 </table> 156 </div> 157 </body> 158</html> 159