<!--$Id: memp_fcreate.so,v 10.12 2004/08/13 03:38:58 bostic Exp $--> <!--Copyright (c) 1997,2007 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DbEnv::memp_fcreate</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>DbEnv::memp_fcreate</h3> </td> <td align=right> <a href="../../db46-devel-4.6.21/api_cxx/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_cxx.h> <p> int DbEnv::memp_fcreate(DbMpoolFile **dbmfp, u_int32_t flags); </pre></h3> <hr size=1 noshade> <h3>Description: DbEnv::memp_fcreate</h3> <p>The DbEnv::memp_fcreate method creates a <a href="../../db46-devel-4.6.21/api_cxx/mempfile_class.html">DbMpoolFile</a> structure that is the handle for a Berkeley DB shared memory buffer pool file. A pointer to this structure is returned in the memory to which <b>dbmfp</b> refers. Calling the <a href="../../db46-devel-4.6.21/api_cxx/memp_fclose.html">DbMpoolFile::close</a> method will discard the returned handle.</p> <p>The DbEnv::memp_fcreate 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. </p> <h3>Parameters</h3> <dl compact> <dt><b>flags</b><dd>The <b>flags</b> parameter is currently unused, and must be set to 0. </dl> <hr size=1 noshade> <h3>Class</h3> <a href="../../db46-devel-4.6.21/api_cxx/env_class.html">DbEnv</a>, <a href="../../db46-devel-4.6.21/api_cxx/mempfile_class.html">DbMpoolFile</a> <h3>See Also</h3> <a href="../../db46-devel-4.6.21/api_cxx/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_cxx/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>