1<!--$Id: memp_fsync.so,v 10.36 2006/11/30 19:06:50 bostic Exp $--> 2<!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> 3<!--See the file LICENSE for redistribution information.--> 4<html> 5<head> 6<title>Berkeley DB: DbMpoolFile::sync</title> 7<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> 8<meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> 9</head> 10<body bgcolor=white> 11<table width="100%"><tr valign=top> 12<td> 13<b>DbMpoolFile::sync</b> 14</td> 15<td align=right> 16<a href="../api_cxx/api_core.html"><img src="../images/api.gif" alt="API"></a> 17<a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a></td> 18</tr></table> 19<hr size=1 noshade> 20<tt> 21<b><pre> 22#include <db_cxx.h> 23<p> 24int 25DbMpoolFile::sync(); 26</pre></b> 27<hr size=1 noshade> 28<b>Description: DbMpoolFile::sync</b> 29<p>The DbMpoolFile::sync method writes all modified pages associated with the 30<a href="../api_cxx/mempfile_class.html">DbMpoolFile</a> back to the source file. If any of the modified 31pages are <i>pinned</i> (that is, currently in use), 32DbMpoolFile::sync will ignore them.</p> 33<p>The DbMpoolFile::sync method 34either returns a non-zero error value 35or throws an exception that encapsulates a non-zero error value on 36failure, and returns 0 on success. 37</p> 38<hr size=1 noshade> 39<br><b>Class</b> 40<a href="../api_cxx/env_class.html">DbEnv</a>, <a href="../api_cxx/mempfile_class.html">DbMpoolFile</a> 41<br><b>See Also</b> 42<a href="../api_cxx/memp_list.html">Memory Pools and Related Methods</a> 43</tt> 44<table width="100%"><tr><td><br></td><td align=right> 45<a href="../api_cxx/api_core.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> 46</td></tr></table> 47<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 48</body> 49</html> 50