<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>DB_ENV->log_flush()</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> <link rel="up" href="lsn.html" title="Chapter 7. The DB_LSN Handle" /> <link rel="prev" href="logfile.html" title="DB_ENV->log_file()" /> <link rel="next" href="envlog_get_config.html" title="DB_ENV->log_get_config()" /> </head> <body> <div xmlns="" class="navheader"> <div class="libver"> <p>Library Version 11.2.5.3</p> </div> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">DB_ENV->log_flush()</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="logfile.html">Prev</a> </td> <th width="60%" align="center">Chapter 7. The DB_LSN Handle </th> <td width="20%" align="right"> <a accesskey="n" href="envlog_get_config.html">Next</a></td> </tr> </table> <hr /> </div> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="logflush"></a>DB_ENV->log_flush()</h2> </div> </div> </div> <pre class="programlisting">#include <db.h> int DB_ENV->log_flush(DB_ENV *env, const DB_LSN *lsn); </pre> <p> The <code class="methodname">DB_ENV->log_flush()</code> method writes log records to disk. </p> <p> The <code class="methodname">DB_ENV->log_flush()</code> <span> <span> method returns a non-zero error value on failure and 0 on success. </span> </span> </p> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp52866072"></a>Parameters</h3> </div> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp52874504"></a>lsn</h4> </div> </div> </div> <p> All log records with <a class="link" href="lsn.html" title="Chapter 7. The DB_LSN Handle">DB_LSN</a> values less than or equal to the <span class="bold"><strong>lsn</strong></span> parameter are written to disk. If <span class="bold"><strong>lsn</strong></span> is NULL, all records in the log are flushed. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp52873360"></a>Errors</h3> </div> </div> </div> <p> The <code class="methodname">DB_ENV->log_flush()</code> <span> <span> method may fail and return one of the following non-zero errors: </span> </span> </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp52887096"></a>EINVAL</h4> </div> </div> </div> <p> An invalid flag value or parameter was specified. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp52886016"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>, <a class="link" href="logc.html" title="The DB_LOGC Handle">DB_LOGC</a>, <a class="link" href="lsn.html" title="Chapter 7. The DB_LSN Handle">DB_LSN</a> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp52874288"></a>See Also</h3> </div> </div> </div> <p> <a class="xref" href="lsn.html#loglist" title="Logging Subsystem and Related Methods">Logging Subsystem and Related Methods</a> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="logfile.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="lsn.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="envlog_get_config.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">DB_ENV->log_file() </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> DB_ENV->log_get_config()</td> </tr> </table> </div> </body> </html>