1<!--$Id: memp_set_ftype.so,v 10.17 2005/11/30 19:46:21 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: DB_MPOOLFILE->set_ftype</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>DB_MPOOLFILE->set_ftype</b> 14</td> 15<td align=right> 16<a href="../api_c/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.h> 23<p> 24int 25DB_MPOOLFILE->set_ftype(DB_MPOOLFILE *mpf, int ftype); 26<p> 27int 28DB_MPOOLFILE->get_ftype(DB_MPOOLFILE *mpf, int *ftypep); 29</pre></b> 30<hr size=1 noshade> 31<b>Description: DB_MPOOLFILE->set_ftype</b> 32<p>The DB_MPOOLFILE->set_ftype method specifies a file type for the purposes of 33input or output processing of the file's pages as they are read from or 34written to, the backing filesystem store.</p> 35<p>The DB_MPOOLFILE->set_ftype method configures a file in the memory pool, not only 36operations performed using the specified <a href="../api_c/mempfile_class.html">DB_MPOOLFILE</a> handle.</p> 37<p>The DB_MPOOLFILE->set_ftype method may not be called after the <a href="../api_c/memp_fopen.html">DB_MPOOLFILE->open</a> method is 38called. 39If the file is already open in the memory pool when 40<a href="../api_c/memp_fopen.html">DB_MPOOLFILE->open</a> is called, the information specified to DB_MPOOLFILE->set_ftype 41will replace the existing information.</p> 42<p>The DB_MPOOLFILE->set_ftype method 43returns a non-zero error value on failure 44and 0 on success. 45</p> 46<b>Parameters</b> <br> 47 <b>ftype</b><ul compact><li>The <b>ftype</b> parameter sets the file's type for the purposes of input 48and output processing. The <b>ftype</b> must be the same as a 49<b>ftype</b> parameter previously specified to the <a href="../api_c/memp_register.html">DB_ENV->memp_register</a> method. 50(See the <a href="../api_c/memp_register.html">DB_ENV->memp_register</a> documentation for more information.)</ul> 51<br> 52<hr size=1 noshade> 53<b>Description: DB_MPOOLFILE->get_ftype</b> 54<p>The DB_MPOOLFILE->get_ftype method returns the file type.</p> 55<p>The DB_MPOOLFILE->get_ftype method may be called at any time during the life of the 56application.</p> 57<p>The DB_MPOOLFILE->get_ftype method 58returns a non-zero error value on failure 59and 0 on success. 60</p> 61<b>Parameters</b> <br> 62 <b>ftypep</b><ul compact><li>The DB_MPOOLFILE->get_ftype method returns the 63file type in <b>ftypep</b>.</ul> 64<br> 65<hr size=1 noshade> 66<br><b>Class</b> 67<a href="../api_c/env_class.html">DB_ENV</a>, <a href="../api_c/mempfile_class.html">DB_MPOOLFILE</a> 68<br><b>See Also</b> 69<a href="../api_c/memp_list.html">Memory Pools and Related Methods</a> 70</tt> 71<table width="100%"><tr><td><br></td><td align=right> 72<a href="../api_c/api_core.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> 73</td></tr></table> 74<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 75</body> 76</html> 77
