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_TXN->abort()</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="envset_tx_timestamp.html" title="DB_ENV->set_tx_timestamp()" /> 12 <link rel="next" href="txnbegin.html" title="DB_ENV->txn_begin()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB_TXN->abort()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="envset_tx_timestamp.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="txnbegin.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="txnabort"></a>DB_TXN->abort()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_TXN->abort(DB_TXN *tid); </pre> 42 <p> 43 The <code class="methodname">DB_TXN->abort()</code> method causes an abnormal termination of the 44 transaction. The log is played backward, and any necessary undo 45 operations are done through the <span class="bold"><strong>tx_recover</strong></span> 46 function specified to <a class="xref" href="envset_app_dispatch.html" title="DB_ENV->set_app_dispatch()">DB_ENV->set_app_dispatch()</a>. 47 Before <code class="methodname">DB_TXN->abort()</code> returns, any locks held by the transaction 48 will have been released. 49 </p> 50 <p> 51 In the case of nested transactions, aborting a parent transaction 52 causes all children (unresolved or not) of the parent transaction to 53 be aborted. 54 </p> 55 <p> 56 All cursors opened within the transaction must be closed before the 57 transaction is aborted. 58 </p> 59 <p> 60 After <code class="methodname">DB_TXN->abort()</code> has been called, regardless of its return, the 61 <a class="link" href="txn.html" title="Chapter��12.�� The DB_TXN Handle">DB_TXN</a> handle may not be 62 accessed again. 63 </p> 64 <p> 65 The <code class="methodname">DB_TXN->abort()</code> <span> 66 <span> 67 method returns a non-zero error value on failure and 0 on success. 68 </span> 69 70 </span> 71 </p> 72 <div class="sect2" lang="en" xml:lang="en"> 73 <div class="titlepage"> 74 <div> 75 <div> 76 <h3 class="title"><a id="id1708284"></a>Class</h3> 77 </div> 78 </div> 79 </div> 80 <p> 81 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a>, <a class="link" href="txn.html" title="Chapter��12.�� The DB_TXN Handle">DB_TXN</a> 82 </p> 83 </div> 84 <div class="sect2" lang="en" xml:lang="en"> 85 <div class="titlepage"> 86 <div> 87 <div> 88 <h3 class="title"><a id="id1708368"></a>See Also</h3> 89 </div> 90 </div> 91 </div> 92 <p> 93 <a class="xref" href="txn.html#txnlist" title="Transaction Subsystem and Related Methods">Transaction Subsystem and Related Methods</a> 94 </p> 95 </div> 96 </div> 97 <div class="navfooter"> 98 <hr /> 99 <table width="100%" summary="Navigation footer"> 100 <tr> 101 <td width="40%" align="left"><a accesskey="p" href="envset_tx_timestamp.html">Prev</a>��</td> 102 <td width="20%" align="center"> 103 <a accesskey="u" href="txn.html">Up</a> 104 </td> 105 <td width="40%" align="right">��<a accesskey="n" href="txnbegin.html">Next</a></td> 106 </tr> 107 <tr> 108 <td width="40%" align="left" valign="top">DB_ENV->set_tx_timestamp()��</td> 109 <td width="20%" align="center"> 110 <a accesskey="h" href="index.html">Home</a> 111 </td> 112 <td width="40%" align="right" valign="top">��DB_ENV->txn_begin()</td> 113 </tr> 114 </table> 115 </div> 116 </body> 117</html> 118