<!--$Id: sysmem.so,v 1.3 2000/07/25 16:59:37 bostic Exp $--> <!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.--> <!--All rights reserved.--> <html> <head> <title>Berkeley DB Reference Guide: Release 3.1: DB_SYSTEM_MEM</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++"> </head> <body bgcolor=white> <table><tr valign=top> <td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></h3></td> <td width="1%"><a href="../../ref/upgrade.3.1/btstat.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/upgrade.3.1/log_register.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p> <h1 align=center>Release 3.1: DB_SYSTEM_MEM</h1> <p>Using the <a href="../../api_c/env_open.html#DB_SYSTEM_MEM">DB_SYSTEM_MEM</a> option on UNIX systems now requires the specification of a base system memory segment ID, using the <a href="../../api_c/env_set_shm_key.html">DBENV->set_shm_key</a> function. Any valid segment ID may be specified, for example, one returned by the UNIX <b>ftok</b>(3) interface. <table><tr><td><br></td><td width="1%"><a href="../../ref/upgrade.3.1/btstat.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/upgrade.3.1/log_register.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font> </body> </html>