1<!--$Id: memp_fcreate.so,v 10.12 2004/08/13 03:38:58 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_ENV->memp_fcreate</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_ENV->memp_fcreate</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_ENV->memp_fcreate(DB_ENV *dbenvp, DB_MPOOLFILE **dbmfp, u_int32_t flags); 26</pre></b> 27<hr size=1 noshade> 28<b>Description: DB_ENV->memp_fcreate</b> 29<p>The DB_ENV->memp_fcreate method creates a <a href="/api_c/mempfile_class.html">DB_MPOOLFILE</a> structure that 30is the handle for a Berkeley DB shared memory buffer pool file. A pointer to 31this structure is returned in the memory to which <b>dbmfp</b> refers. 32Calling the <a href="/api_c/memp_fclose.html">DB_MPOOLFILE->close</a> method will discard the returned handle.</p> 33<p>The DB_ENV->memp_fcreate method 34returns a non-zero error value on failure 35and 0 on success. 36</p> 37<b>Parameters</b> <br> 38 <b>flags</b><ul compact><li>The <b>flags</b> parameter is currently unused, and must be set to 0.</ul> 39<br> 40<hr size=1 noshade> 41<br><b>Class</b> 42<a href="/api_c/env_class.html">DB_ENV</a>, <a href="/api_c/mempfile_class.html">DB_MPOOLFILE</a> 43<br><b>See Also</b> 44<a href="/api_c/memp_list.html">Memory Pools and Related Methods</a> 45</tt> 46<table width="100%"><tr><td><br></td><td align=right> 47<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> 48</td></tr></table> 49<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 50</body> 51</html> 52