<!--$Id: mutex.so,v 1.4 2007/09/26 15:11:32 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB Reference Guide: Release 4.4: mutexes</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><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></b></td> <td align=right><a href="../upgrade.4.4/joinenv.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../upgrade.4.4/clear.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p align=center><b>Release 4.4: mutexes</b></p> <p>The DB_ENV>set_tas_spins and DB_ENV>get_tas_spins methods have been renamed to <a href="../../api_c/mutex_set_tas_spins.html">DB_ENV->mutex_set_tas_spins</a> and <a href="../../api_c/mutex_set_tas_spins.html">DB_ENV->mutex_get_tas_spins</a> to match the new mutex support in the Berkeley DB 4.4 release. Applications calling the old methods should be updated to use the new method names.</p> <p>For backward compatibility, the string "set_tas_spins" is still supported in <a href="../../ref/env/db_config.html#DB_CONFIG">DB_CONFIG</a> files.</p> <p>The --with-mutexalign=ALIGNMENT compile-time configuration option has been removed from Berkeley DB configuration. Mutex alignment should now be configured at run-time, using the <a href="../../api_c/mutex_set_align.html">DB_ENV->mutex_set_align</a> method.</p> <table width="100%"><tr><td><br></td><td align=right><a href="../upgrade.4.4/joinenv.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../upgrade.4.4/clear.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>
