1<!--$Id: txn_abort.so,v 10.39 2004/08/13 03:39:03 bostic Exp $--> 2<!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> 3<!--See the file LICENSE for redistribution information.--> 4<html> 5<head> 6<title>Berkeley DB: DB_TXN->abort</title> 7<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> 8<meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> 9</head> 10<body bgcolor=white> 11<table width="100%"><tr valign=top> 12<td> 13<b>DB_TXN->abort</b> 14</td> 15<td align=right> 16<a href="../api_c/api_core.html"><img src="../images/api.gif" alt="API"></a> 17<a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a></td> 18</tr></table> 19<hr size=1 noshade> 20<tt> 21<b><pre> 22#include <db.h> 23<p> 24int 25DB_TXN->abort(DB_TXN *tid); 26</pre></b> 27<hr size=1 noshade> 28<b>Description: DB_TXN->abort</b> 29<p>The DB_TXN->abort method causes an abnormal termination of the transaction. 30The log is played backward, and any necessary undo operations are done 31through the <b>tx_recover</b> function specified to 32<a href="../api_c/env_set_app_dispatch.html">DB_ENV->set_app_dispatch</a>. Before DB_TXN->abort returns, any 33locks held by the transaction will have been released.</p> 34<p>In the case of nested transactions, aborting a parent transaction causes 35all children (unresolved or not) of the parent transaction to be aborted.</p> 36<p>All cursors opened within the transaction must be closed before the 37transaction is aborted.</p> 38<p>After DB_TXN->abort has been called, regardless of its return, the 39<a href="../api_c/txn_class.html">DB_TXN</a> handle may not be accessed again.</p> 40<p>The DB_TXN->abort method 41returns a non-zero error value on failure 42and 0 on success. 43</p> 44<hr size=1 noshade> 45<br><b>Class</b> 46<a href="../api_c/env_class.html">DB_ENV</a>, <a href="../api_c/txn_class.html">DB_TXN</a> 47<br><b>See Also</b> 48<a href="../api_c/txn_list.html">Transaction Subsystem and Related Methods</a> 49</tt> 50<table width="100%"><tr><td><br></td><td align=right> 51<a href="../api_c/api_core.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> 52</td></tr></table> 53<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 54</body> 55</html> 56
