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authorLorry <lorry@roadtrain.codethink.co.uk>2012-07-20 20:00:05 +0100
committerLorry <lorry@roadtrain.codethink.co.uk>2012-07-20 20:00:05 +0100
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+ <title>Run-time configuration</title>
+ <link rel="stylesheet" href="gettingStarted.css" type="text/css" />
+ <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
+ <link rel="start" href="index.html" title="Berkeley DB Programmer's Reference Guide" />
+ <link rel="up" href="program.html" title="Chapter 15.  Programmer Notes" />
+ <link rel="prev" href="program_compatible.html" title="Compatibility with historic UNIX interfaces" />
+ <link rel="next" href="program_perfmon.html" title="Performance Event Monitoring" />
+ </head>
+ <body>
+ <div xmlns="" class="navheader">
+ <div class="libver">
+ <p>Library Version 11.2.5.3</p>
+ </div>
+ <table width="100%" summary="Navigation header">
+ <tr>
+ <th colspan="3" align="center">Run-time configuration</th>
+ </tr>
+ <tr>
+ <td width="20%" align="left"><a accesskey="p" href="program_compatible.html">Prev</a> </td>
+ <th width="60%" align="center">Chapter 15. 
+ Programmer Notes
+ </th>
+ <td width="20%" align="right"> <a accesskey="n" href="program_perfmon.html">Next</a></td>
+ </tr>
+ </table>
+ <hr />
+ </div>
+ <div class="sect1" lang="en" xml:lang="en">
+ <div class="titlepage">
+ <div>
+ <div>
+ <h2 class="title" style="clear: both"><a id="program_runtime"></a>Run-time configuration</h2>
+ </div>
+ </div>
+ </div>
+ <p>It is possible for applications to configure Berkeley DB at run-time to
+redirect Berkeley DB library and system calls to alternate interfaces. For
+example, an application might want Berkeley DB to call debugging memory
+allocation routines rather than the standard C library interfaces. The
+following interfaces support this functionality:</p>
+ <div class="itemizedlist">
+ <ul type="disc">
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_close.html" class="olink">db_env_set_func_close</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_dirfree.html" class="olink">db_env_set_func_dirfree</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_dirlist.html" class="olink">db_env_set_func_dirlist</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_exists.html" class="olink">db_env_set_func_exists</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_file_map.html" class="olink">db_env_set_func_file_map</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_free.html" class="olink">db_env_set_func_free</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_fsync.html" class="olink">db_env_set_func_fsync</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_ftruncate.html" class="olink">db_env_set_func_ftruncate</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_ioinfo.html" class="olink">db_env_set_func_ioinfo</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_malloc.html" class="olink">db_env_set_func_malloc</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_open.html" class="olink">db_env_set_func_open</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_pread.html" class="olink">db_env_set_func_pread</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_pwrite.html" class="olink">db_env_set_func_pwrite</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_read.html" class="olink">db_env_set_func_read</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_realloc.html" class="olink">db_env_set_func_realloc</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_region_map.html" class="olink">db_env_set_func_region_map</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_rename.html" class="olink">db_env_set_func_rename</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_seek.html" class="olink">db_env_set_func_seek</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_unlink.html" class="olink">db_env_set_func_unlink</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_write.html" class="olink">db_env_set_func_write</a>
+ </p>
+ </li>
+ <li>
+ <p>
+ <a href="../api_reference/C/db_env_set_func_yield.html" class="olink">db_env_set_func_yield</a>
+ </p>
+ </li>
+ </ul>
+ </div>
+ <p>These interfaces are available only on POSIX platforms and from the
+Berkeley DB C language API.</p>
+ <p>A not-uncommon problem for applications is the new API in Solaris 2.6
+for manipulating large files. Because this API was not part of Solaris
+2.5, it is difficult to create a single binary that takes advantage of
+the large file functionality in Solaris 2.6, but still runs on Solaris
+2.5. <a class="ulink" href="solaris.txt" target="_top">Example code</a> that supports this is
+included in the Berkeley DB distribution, however, the example code was
+written using previous versions of the Berkeley DB APIs, and is only useful
+as an example.</p>
+ </div>
+ <div class="navfooter">
+ <hr />
+ <table width="100%" summary="Navigation footer">
+ <tr>
+ <td width="40%" align="left"><a accesskey="p" href="program_compatible.html">Prev</a> </td>
+ <td width="20%" align="center">
+ <a accesskey="u" href="program.html">Up</a>
+ </td>
+ <td width="40%" align="right"> <a accesskey="n" href="program_perfmon.html">Next</a></td>
+ </tr>
+ <tr>
+ <td width="40%" align="left" valign="top">Compatibility with historic UNIX interfaces </td>
+ <td width="20%" align="center">
+ <a accesskey="h" href="index.html">Home</a>
+ </td>
+ <td width="40%" align="right" valign="top"> Performance Event Monitoring</td>
+ </tr>
+ </table>
+ </div>
+ </body>
+</html>
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