<!--$Id: txn_id.so,v 10.21 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->id</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->id</b> </td> <td align=right> <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></td> </tr></table> <hr size=1 noshade> <tt> <b><pre> #include <db.h> <p> u_int32_t DB_TXN->id(DB_TXN *tid); </pre></b> <hr size=1 noshade> <b>Description: DB_TXN->id</b> <p>The DB_TXN->id method returns the unique transaction id associated with the specified transaction. Locking calls made on behalf of this transaction should use the value returned from DB_TXN->id as the locker parameter to the <a href="../api_c/lock_get.html">DB_ENV->lock_get</a> or <a href="../api_c/lock_vec.html">DB_ENV->lock_vec</a> calls.</p> <hr size=1 noshade> <br><b>Class</b> <a href="../api_c/env_class.html">DB_ENV</a>, <a href="../api_c/txn_class.html">DB_TXN</a> <br><b>See Also</b> <a href="../api_c/txn_list.html">Transaction Subsystem and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <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> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>