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_tx_max()</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="txn.html" title="Chapter��12.�� The DB_TXN Handle" /> 11 <link rel="prev" href="envcdsgroup_begin.html" title="DB_ENV->cdsgroup_begin()" /> 12 <link rel="next" href="envget_tx_timestamp.html" title="DB_ENV->get_tx_timestamp()" /> 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_tx_max()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="envcdsgroup_begin.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��12.�� 23 The DB_TXN Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="envget_tx_timestamp.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_tx_max"></a>DB_ENV->get_tx_max()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_ENV->get_tx_max(DB_ENV *dbenv, u_int32_t *tx_maxp); </pre> 42 <p> 43 The <code class="methodname">DB_ENV->get_tx_max()</code> method returns the maximum number of active 44 transactions currently configured for the environment. You can manage this value using 45 the <a class="xref" href="envset_tx_max.html" title="DB_ENV->set_tx_max()">DB_ENV->set_tx_max()</a> method. 46 </p> 47 <p> 48 The <code class="methodname">DB_ENV->get_tx_max()</code> method may be called at any time during the 49 life of the application. 50 </p> 51 <p> 52 The <code class="methodname">DB_ENV->get_tx_max()</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="id1707468"></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="id1707577"></a>tx_maxp</h4> 72 </div> 73 </div> 74 </div> 75 <p> 76 The <code class="methodname">DB_ENV->get_tx_max()</code> method returns the number of active 77 transactions in <span class="bold"><strong>tx_maxp</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="id1707740"></a>Class</h3> 86 </div> 87 </div> 88 </div> 89 <p> 90 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a>, 91 <a class="link" href="txn.html" title="Chapter��12.�� The DB_TXN Handle">DB_TXN</a> 92 </p> 93 </div> 94 <div class="sect2" lang="en" xml:lang="en"> 95 <div class="titlepage"> 96 <div> 97 <div> 98 <h3 class="title"><a id="id1707677"></a>See Also</h3> 99 </div> 100 </div> 101 </div> 102 <p> 103 <a class="xref" href="txn.html#txnlist" title="Transaction Subsystem and Related Methods">Transaction Subsystem and Related Methods</a>, 104 <a class="xref" href="envset_tx_max.html" title="DB_ENV->set_tx_max()">DB_ENV->set_tx_max()</a> 105 </p> 106 </div> 107 </div> 108 <div class="navfooter"> 109 <hr /> 110 <table width="100%" summary="Navigation footer"> 111 <tr> 112 <td width="40%" align="left"><a accesskey="p" href="envcdsgroup_begin.html">Prev</a>��</td> 113 <td width="20%" align="center"> 114 <a accesskey="u" href="txn.html">Up</a> 115 </td> 116 <td width="40%" align="right">��<a accesskey="n" href="envget_tx_timestamp.html">Next</a></td> 117 </tr> 118 <tr> 119 <td width="40%" align="left" valign="top">DB_ENV->cdsgroup_begin()��</td> 120 <td width="20%" align="center"> 121 <a accesskey="h" href="index.html">Home</a> 122 </td> 123 <td width="40%" align="right" valign="top">��DB_ENV->get_tx_timestamp()</td> 124 </tr> 125 </table> 126 </div> 127 </body> 128</html> 129