<?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>DbMpoolFile::close()</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="memp.html" title="Chapter 9. The DbMpoolFile Handle" /> <link rel="prev" href="envset_mp_mmapsize.html" title="DbEnv::set_mp_mmapsize()" /> <link rel="next" href="mempfget.html" title="DbMpoolFile::get()" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">DbMpoolFile::close()</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="envset_mp_mmapsize.html">Prev</a> </td> <th width="60%" align="center">Chapter 9. The DbMpoolFile Handle </th> <td width="20%" align="right"> <a accesskey="n" href="mempfget.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="mempfclose"></a>DbMpoolFile::close()</h2> </div> </div> </div> <pre class="programlisting">#include <db_cxx.h> int DbMpoolFile::close(u_int32_t flags);</pre> <p> The <code class="methodname">DbMpoolFile::close()</code> method closes the source file indicated by the <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</a> structure. Calling <code class="methodname">DbMpoolFile::close()</code> does not imply a call to <a class="xref" href="mempfsync.html" title="DbMpoolFile::sync()">DbMpoolFile::sync()</a>; that is, no pages are written to the source file as as a result of calling <code class="methodname">DbMpoolFile::close.()</code>. </p> <p> If the <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</a> was temporary, any underlying files created for this <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</a> will be removed. </p> <p> After <code class="methodname">DbMpoolFile::close()</code> has been called, regardless of its return, the <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</a> handle may not be accessed again. </p> <p> The <code class="methodname">DbMpoolFile::close()</code> <span> <span> method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success. </span> </span> </p> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1693206"></a>Parameters</h3> </div> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1693612"></a>flags</h4> </div> </div> </div> <p> The <span class="bold"><strong>flags</strong></span> parameter is currently unused, and must be set to 0. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1693120"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>, <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</a> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1693672"></a>See Also</h3> </div> </div> </div> <p> <a class="xref" href="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools 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="envset_mp_mmapsize.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="memp.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="mempfget.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">DbEnv::set_mp_mmapsize() </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> DbMpoolFile::get()</td> </tr> </table> </div> </body> </html>