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<!--$Id: txn_abort.so,v 10.39 2004/08/13 03:39:03 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DB_TXN->abort</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td> <b>DB_TXN->abort</b> </td> <td align=right> <a href="../../db4-devel-4.7.25/api_c/api_core.html"><img src="../../db4-devel-4.7.25/images/api.gif" alt="API"></a> <a href="../../db4-devel-4.7.25/ref/toc.html"><img src="../../db4-devel-4.7.25/images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <b><pre> #include <db.h> <p> int DB_TXN->abort(DB_TXN *tid); </pre></b> <hr size=1 noshade> <b>Description: DB_TXN->abort</b> <p>The DB_TXN->abort method causes an abnormal termination of the transaction. The log is played backward, and any necessary undo operations are done through the <b>tx_recover</b> function specified to <a href="../../db4-devel-4.7.25/api_c/env_set_app_dispatch.html">DB_ENV->set_app_dispatch</a>. Before DB_TXN->abort returns, any locks held by the transaction will have been released.</p> <p>In the case of nested transactions, aborting a parent transaction causes all children (unresolved or not) of the parent transaction to be aborted.</p> <p>All cursors opened within the transaction must be closed before the transaction is aborted.</p> <p>After DB_TXN->abort has been called, regardless of its return, the <a href="../../db4-devel-4.7.25/api_c/txn_class.html">DB_TXN</a> handle may not be accessed again.</p> <p>The DB_TXN->abort method returns a non-zero error value on failure and 0 on success. </p> <hr size=1 noshade> <br><b>Class</b> <a href="../../db4-devel-4.7.25/api_c/env_class.html">DB_ENV</a>, <a href="../../db4-devel-4.7.25/api_c/txn_class.html">DB_TXN</a> <br><b>See Also</b> <a href="../../db4-devel-4.7.25/api_c/txn_list.html">Transaction Subsystem and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../../db4-devel-4.7.25/api_c/api_core.html"><img src="../../db4-devel-4.7.25/images/api.gif" alt="API"></a><a href="../../db4-devel-4.7.25/ref/toc.html"><img src="../../db4-devel-4.7.25/images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>
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