1<!--$Id: txn_id.so,v 10.21 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: DbTxn::id</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>DbTxn::id</b> 14</td> 15<td align=right> 16<a href="/api_cxx/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_cxx.h> 23<p> 24u_int32_t 25DbTxn::id(); 26</pre></b> 27<hr size=1 noshade> 28<b>Description: DbTxn::id</b> 29<p>The DbTxn::id method returns the unique transaction id associated with the 30specified transaction. Locking calls made on behalf of this transaction 31should use the value returned from DbTxn::id as the locker parameter 32to the <a href="/api_cxx/lock_get.html">DbEnv::lock_get</a> or <a href="/api_cxx/lock_vec.html">DbEnv::lock_vec</a> calls.</p> 33<hr size=1 noshade> 34<br><b>Class</b> 35<a href="/api_cxx/env_class.html">DbEnv</a>, <a href="/api_cxx/txn_class.html">DbTxn</a> 36<br><b>See Also</b> 37<a href="/api_cxx/txn_list.html">Transaction Subsystem and Related Methods</a> 38</tt> 39<table width="100%"><tr><td><br></td><td align=right> 40<a href="/api_cxx/api_core.html"><img src="/images/api.gif" alt="API"></a><a href="/ref/toc.html"><img src="/images/ref.gif" alt="Ref"></a> 41</td></tr></table> 42<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 43</body> 44</html> 45