1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>DB_MPOOLFILE->sync()</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> 10 <link rel="up" href="memp.html" title="Chapter��8.�� The DB_MPOOLFILE Handle" /> 11 <link rel="prev" href="mempput.html" title="DB_MPOOLFILE->put()" /> 12 <link rel="next" href="mempget_clear_len.html" title="DB_MPOOLFILE->get_clear_len()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB_MPOOLFILE->sync()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="mempput.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��8.�� 23 The DB_MPOOLFILE Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="mempget_clear_len.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="mempfsync"></a>DB_MPOOLFILE->sync()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_MPOOLFILE->sync(DB_MPOOLFILE *mpf); </pre> 42 <p> 43 The <code class="methodname">DB_MPOOLFILE->sync()</code> method writes all modified pages associated with 44 the <a class="link" href="memp.html" title="Chapter��8.�� The DB_MPOOLFILE Handle">DB_MPOOLFILE</a> back to the source file. If any of the 45 modified pages are <span class="emphasis"><em>pinned</em></span> (that is, currently in use), 46 <code class="methodname">DB_MPOOLFILE->sync()</code> will ignore them. 47 </p> 48 <p> 49 The <code class="methodname">DB_MPOOLFILE->sync()</code> <span> 50 <span> 51 method returns a non-zero error value on failure and 0 on success. 52 </span> 53 54 </span> 55 </p> 56 <div class="sect2" lang="en" xml:lang="en"> 57 <div class="titlepage"> 58 <div> 59 <div> 60 <h3 class="title"><a id="id1690807"></a>Class</h3> 61 </div> 62 </div> 63 </div> 64 <p> 65 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a>, <a class="link" href="memp.html" title="Chapter��8.�� The DB_MPOOLFILE Handle">DB_MPOOLFILE</a> 66 </p> 67 </div> 68 <div class="sect2" lang="en" xml:lang="en"> 69 <div class="titlepage"> 70 <div> 71 <div> 72 <h3 class="title"><a id="id1690550"></a>See Also</h3> 73 </div> 74 </div> 75 </div> 76 <p> 77 <a class="xref" href="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools and Related Methods</a> 78 </p> 79 </div> 80 </div> 81 <div class="navfooter"> 82 <hr /> 83 <table width="100%" summary="Navigation footer"> 84 <tr> 85 <td width="40%" align="left"><a accesskey="p" href="mempput.html">Prev</a>��</td> 86 <td width="20%" align="center"> 87 <a accesskey="u" href="memp.html">Up</a> 88 </td> 89 <td width="40%" align="right">��<a accesskey="n" href="mempget_clear_len.html">Next</a></td> 90 </tr> 91 <tr> 92 <td width="40%" align="left" valign="top">DB_MPOOLFILE->put()��</td> 93 <td width="20%" align="center"> 94 <a accesskey="h" href="index.html">Home</a> 95 </td> 96 <td width="40%" align="right" valign="top">��DB_MPOOLFILE->get_clear_len()</td> 97 </tr> 98 </table> 99 </div> 100 </body> 101</html> 102