<!--$Id: memp_set_ftype.so,v 10.17 2005/11/30 19:46:21 bostic Exp $--> <!--Copyright (c) 1997,2007 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DB_MPOOLFILE->set_ftype</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td> <h3>DB_MPOOLFILE->set_ftype</h3> </td> <td align=right> <a href="../../db46-devel-4.6.21/api_c/api_core.html"><img src="../../db46-devel-4.6.21/images/api.gif" alt="API"></a> <a href="../../db46-devel-4.6.21/ref/toc.html"><img src="../../db46-devel-4.6.21/images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <h3><pre> #include <db.h> <p> int DB_MPOOLFILE->set_ftype(DB_MPOOLFILE *mpf, int ftype); <p> int DB_MPOOLFILE->get_ftype(DB_MPOOLFILE *mpf, int *ftypep); </pre></h3> <hr size=1 noshade> <h3>Description: DB_MPOOLFILE->set_ftype</h3> <p>The DB_MPOOLFILE->set_ftype method specifies a file type for the purposes of input or output processing of the file's pages as they are read from or written to, the backing filesystem store.</p> <p>The DB_MPOOLFILE->set_ftype method configures a file in the memory pool, not only operations performed using the specified <a href="../../db46-devel-4.6.21/api_c/mempfile_class.html">DB_MPOOLFILE</a> handle.</p> <p>The DB_MPOOLFILE->set_ftype method may not be called after the <a href="../../db46-devel-4.6.21/api_c/memp_fopen.html">DB_MPOOLFILE->open</a> method is called. If the file is already open in the memory pool when <a href="../../db46-devel-4.6.21/api_c/memp_fopen.html">DB_MPOOLFILE->open</a> is called, the information specified to DB_MPOOLFILE->set_ftype will replace the existing information.</p> <p>The DB_MPOOLFILE->set_ftype method returns a non-zero error value on failure and 0 on success. </p> <h3>Parameters</h3> <dl compact> <dt><b>ftype</b><dd>The <b>ftype</b> parameter sets the file's type for the purposes of input and output processing. The <b>ftype</b> must be the same as a <b>ftype</b> parameter previously specified to the <a href="../../db46-devel-4.6.21/api_c/memp_register.html">DB_ENV->memp_register</a> method. (See the <a href="../../db46-devel-4.6.21/api_c/memp_register.html">DB_ENV->memp_register</a> documentation for more information.) </dl> <hr size=1 noshade> <h3>Description: DB_MPOOLFILE->get_ftype</h3> <p>The DB_MPOOLFILE->get_ftype method returns the file type.</p> <p>The DB_MPOOLFILE->get_ftype method may be called at any time during the life of the application.</p> <p>The DB_MPOOLFILE->get_ftype method returns a non-zero error value on failure and 0 on success. </p> <h3>Parameters</h3> <dl compact> <dt><b>ftypep</b><dd>The DB_MPOOLFILE->get_ftype method returns the file type in <b>ftypep</b>. </dl> <hr size=1 noshade> <h3>Class</h3> <a href="../../db46-devel-4.6.21/api_c/env_class.html">DB_ENV</a>, <a href="../../db46-devel-4.6.21/api_c/mempfile_class.html">DB_MPOOLFILE</a> <h3>See Also</h3> <a href="../../db46-devel-4.6.21/api_c/memp_list.html">Memory Pools and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../../db46-devel-4.6.21/api_c/api_core.html"><img src="../../db46-devel-4.6.21/images/api.gif" alt="API"></a><a href="../../db46-devel-4.6.21/ref/toc.html"><img src="../../db46-devel-4.6.21/images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2007 Oracle. All rights reserved.</font> </body> </html>