<!--$Id: log_flush.so,v 10.31 2004/08/13 03:38:57 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. 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,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_ENV->log_flush</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> int DB_ENV->log_flush(DB_ENV *env, const DB_LSN *lsn); </pre></b> <hr size=1 noshade> <b>Description: DB_ENV->log_flush</b> <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> <b>Parameters</b> <br> <b>lsn</b><ul compact><li>All log records with <a href="../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.</ul> <br> <br><b>Errors</b> <p>The DB_ENV->log_flush method may fail and return one of the following non-zero errors:</p> <br> <b>EINVAL</b><ul compact><li>An invalid flag value or parameter was specified.</ul> <br> <hr size=1 noshade> <br><b>Class</b> <a href="../api_c/env_class.html">DB_ENV</a>, <a href="../api_c/logc_class.html">DB_LOGC</a>, <a href="../api_c/lsn_class.html">DB_LSN</a> <br><b>See Also</b> <a href="../api_c/log_list.html">Logging 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>