<!--$Id: log_flush.so,v 10.30 2003/11/08 19:17:36 bostic Exp $--> <!--Copyright 1997-2003 by Sleepycat Software, Inc.--> <!--All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DB_ENV->log_flush</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> <a name="2"><!--meow--></a> <table width="100%"><tr valign=top> <td> <h3>DB_ENV->log_flush</h3> </td> <td align=right> <a href="../../db42-devel-4.2.52/api_c/api_index.html"><img src="../../db42-4.2.52/images/api.gif" alt="API"></a> <a href="../../db42-devel-4.2.52/ref/toc.html"><img src="../../db42-4.2.52/images/ref.gif" alt="Ref"></a> </td></tr></table> <hr size=1 noshade> <tt> <h3><pre> #include <db.h> <p> int DB_ENV->log_flush(DB_ENV *env, const DB_LSN *lsn); </pre></h3> <hr size=1 noshade> <h3>Description: DB_ENV->log_flush</h3> <p>The DB_ENV->log_flush method writes log records to disk.</p> <p>The DB_ENV->log_flush method returns a non-zero error value on failure and 0 on success. </p> <h3>Parameters</h3> <p><dl compact> <p><dt><b>lsn</b><dd> All log records with <a href="../../db42-devel-4.2.52/api_c/lsn_class.html">DB_LSN</a> values less than or equal to the <b>lsn</b> parameter are written to disk. If <b>lsn</b> is NULL, all records in the log are flushed. </dl> <h3>Errors</h3> <p>The DB_ENV->log_flush method may fail and return one of the following non-zero errors:</p> <p><dl compact> <p><dt>EINVAL<dd>An invalid flag value or parameter was specified. </dl> <hr size=1 noshade> <h3>Class</h3> <a href="../../db42-devel-4.2.52/api_c/env_class.html">DB_ENV</a>, <a href="../../db42-devel-4.2.52/api_c/logc_class.html">DB_LOGC</a>, <a href="../../db42-devel-4.2.52/api_c/lsn_class.html">DB_LSN</a> <h3>See Also</h3> <a href="../../db42-devel-4.2.52/api_c/log_list.html">Logging Subsystem and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../../db42-devel-4.2.52/api_c/api_index.html"><img src="../../db42-4.2.52/images/api.gif" alt="API"></a><a href="../../db42-devel-4.2.52/ref/toc.html"><img src="../../db42-4.2.52/images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1><a href="../../db42-devel-4.2.52/sleepycat/legal.html">Copyright (c) 1996-2003</a> <a href="http://www.sleepycat.com">Sleepycat Software, Inc.</a> - All rights reserved.</font> </body> </html>
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