<?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>mutex_set_increment</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C++ API Reference" /> <link rel="up" href="configuration_reference.html" title="Appendix B. DB_CONFIG Parameter Reference" /> <link rel="prev" href="mutex_set_align_parameter.html" title="mutex_set_align" /> <link rel="next" href="mutex_set_max_parameter.html" title="mutex_set_max" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">mutex_set_increment</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="mutex_set_align_parameter.html">Prev</a> </td> <th width="60%" align="center">Appendix B. DB_CONFIG Parameter Reference</th> <td width="20%" align="right"> <a accesskey="n" href="mutex_set_max_parameter.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="mutex_set_increment_parameter"></a>mutex_set_increment</h2> </div> </div> </div> <p> Configures the number of additional mutexes to allocate. If an application will allocate mutexes for its own use, this parameter is used to add a number of mutexes to the default allocation. </p> <p> The syntax of this parameter in the <code class="literal">DB_CONFIG</code> file is a single line with the string <code class="literal">mutex_set_increment</code>, one or more whitespace characters, and the number of additional mutexes. Because the DB_CONFIG file is read when the database environment is opened, it will silently overrule configuration done before that time. </p> <p>For more information, see <a class="xref" href="mutexset_increment.html" title="DbEnv::mutex_set_increment()">DbEnv::mutex_set_increment()</a>. </p> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="mutex_set_align_parameter.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="configuration_reference.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="mutex_set_max_parameter.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">mutex_set_align </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> mutex_set_max</td> </tr> </table> </div> </body> </html>