<!--$Id: deadlock_class.so,v 10.17 2004/08/13 03:38:57 bostic Exp $--> <!--Copyright (c) 1997,2007 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DbDeadlockException</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> <h3>DbDeadlockException</h3> </td> <td align=right> <a href="../../db46-devel-4.6.21/api_cxx/api_core.html"><img src="../../db46-devel-4.6.21/images/api.gif" alt="API"></a> <a href="../../db46-devel-4.6.21/ref/toc.html"><img src="../../db46-devel-4.6.21/images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <h3><pre> #include <db_cxx.h> <p> class DbDeadlockException : public DbException { ... }; </pre></h3> <hr size=1 noshade> <h3>Description: DbDeadlockException</h3> <p>This information describes the DbDeadlockException class and how it is used in the Berkeley DB library.</p> <p>A DbDeadlockException is thrown when multiple threads competing for a lock are deadlocked, when a lock request has timed out, or when a lock request would need to block and the transaction has been configured to not wait for locks. One of the threads' transactions is selected for termination, and a DbDeadlockException is thrown to that thread.</p> <p>The <a href="../../db46-devel-4.6.21/api_cxx/except_class.html">DbException</a> errno value is set to DB_LOCK_DEADLOCK.</p> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../../db46-devel-4.6.21/api_cxx/api_core.html"><img src="../../db46-devel-4.6.21/images/api.gif" alt="API"></a><a href="../../db46-devel-4.6.21/ref/toc.html"><img src="../../db46-devel-4.6.21/images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2007 Oracle. All rights reserved.</font> </body> </html>