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134 lines
5.2 KiB
HTML
134 lines
5.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>DbEnv::get_tx_max()</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C++ API Reference" />
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<link rel="up" href="txn.html" title="Chapter 13. The DbTxn Handle" />
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<link rel="prev" href="envcdsgroup_begin.html" title="DbEnv::cdsgroup_begin()" />
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<link rel="next" href="envget_tx_timestamp.html" title="DbEnv::get_tx_timestamp()" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">DbEnv::get_tx_max()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="envcdsgroup_begin.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 13.
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The DbTxn Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="envget_tx_timestamp.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="envget_tx_max"></a>DbEnv::get_tx_max()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db_cxx.h>
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int
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DbEnv::get_tx_max(u_int32_t *tx_maxp);</pre>
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<p>
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The <code class="methodname">DbEnv::get_tx_max()</code> method returns the maximum number of active
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transactions currently configured for the environment. You can manage this value using
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the <a class="xref" href="envset_tx_max.html" title="DbEnv::set_tx_max()">DbEnv::set_tx_max()</a> method.
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</p>
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<p>
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The <code class="methodname">DbEnv::get_tx_max()</code> method may be called at any time during the
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life of the application.
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</p>
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<p>
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The <code class="methodname">DbEnv::get_tx_max()</code> <span>
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<span>
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method either returns a non-zero error value or throws an
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exception that encapsulates a non-zero error value on
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failure, and returns 0 on success.
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</span>
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</span>
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3670596"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3670585"></a>tx_maxp</h4>
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</div>
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</div>
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</div>
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<p>
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The <code class="methodname">DbEnv::get_tx_max()</code> method returns the number of active
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transactions in <span class="bold"><strong>tx_maxp</strong></span>.
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</p>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3670535"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>,
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<a class="link" href="txn.html" title="Chapter 13. The DbTxn Handle">DbTxn</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3670242"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="txn.html#txnlist" title="Transaction Subsystem and Related Methods">Transaction Subsystem and Related Methods</a>,
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<a class="xref" href="envset_tx_max.html" title="DbEnv::set_tx_max()">DbEnv::set_tx_max()</a>
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</p>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="envcdsgroup_begin.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="txn.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="envget_tx_timestamp.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DbEnv::cdsgroup_begin() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> DbEnv::get_tx_timestamp()</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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