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66 lines
3.4 KiB
HTML
<!--$Id: memp_fclose.so,v 10.20 2000/06/13 13:55:49 sue Exp $-->
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<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.-->
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<!--All rights reserved.-->
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<html>
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<head>
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<title>Berkeley DB: DbMpoolFile::close</title>
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<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
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<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
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<body bgcolor=white>
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<a name="2"><!--meow--></a>
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<table><tr valign=top>
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<td>
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<h1>DbMpoolFile::close</h1>
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</td>
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<td width="1%">
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<a href="../api_cxx/cxx_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<hr size=1 noshade>
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<tt>
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<h3><pre>
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#include <db_cxx.h>
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<p>
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int
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DbMpoolFile::close();
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</pre></h3>
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<h1>Description</h1>
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<p>The DbMpoolFile::close method closes the source file indicated by the
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<a href="../api_cxx/mempfile_class.html">DbMpoolFile</a> object. Calling DbMpoolFile::close does not imply
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a call to <a href="../api_cxx/memp_fsync.html">DbMpoolFile::sync</a>, i.e. no pages are written to the source
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file as as a result of calling DbMpoolFile::close.
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<p>In addition, if the <b>file</b> argument to <a href="../api_cxx/memp_fopen.html">DbMpoolFile::open</a> was NULL,
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any underlying files created for this <a href="../api_cxx/mempfile_class.html">DbMpoolFile</a> will be removed.
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<p>Once DbMpoolFile::close has been called, regardless of its return, the
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<a href="../api_cxx/mempfile_class.html">DbMpoolFile</a> handle may not be accessed again.
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<p>The DbMpoolFile::close method either returns a non-zero error value or throws an exception that
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encapsulates a non-zero error value on failure, and returns 0 on success.
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<h1>Errors</h1>
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<p>The DbMpoolFile::close method may fail and throw an exception or return a non-zero error for errors specified for other Berkeley DB and C library or system methods.
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If a catastrophic error has occurred, the DbMpoolFile::close method may fail and either
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return <a href="../ref/program/errorret.html#DB_RUNRECOVERY">DB_RUNRECOVERY</a> or throw an exception encapsulating
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<a href="../ref/program/errorret.html#DB_RUNRECOVERY">DB_RUNRECOVERY</a>, in which case all subsequent Berkeley DB calls will fail
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in the same way.
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<h3>Classes</h3>
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<a href="../api_cxx/dbenv_class.html">DbEnv</a>, <a href="../api_cxx/mempfile_class.html">DbMpoolFile</a>
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<h1>See Also</h1>
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<a href="../api_cxx/env_set_mp_mmapsize.html">DbEnv::set_mp_mmapsize</a>,
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<a href="../api_cxx/memp_fclose.html">DbMpoolFile::close</a>,
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<a href="../api_cxx/memp_fget.html">DbMpoolFile::get</a>,
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<a href="../api_cxx/memp_fopen.html">DbMpoolFile::open</a>,
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<a href="../api_cxx/memp_fput.html">DbMpoolFile::put</a>,
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<a href="../api_cxx/memp_fset.html">DbMpoolFile::set</a>,
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<a href="../api_cxx/memp_fsync.html">DbMpoolFile::sync</a>,
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<a href="../api_cxx/memp_register.html">DbEnv::memp_register</a>,
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<a href="../api_cxx/memp_stat.html">DbEnv::memp_stat</a>,
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<a href="../api_cxx/memp_sync.html">DbEnv::memp_sync</a>
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and
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<a href="../api_cxx/memp_trickle.html">DbEnv::memp_trickle</a>.
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</tt>
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<table><tr><td><br></td><td width="1%">
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<a href="../api_cxx/cxx_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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