<?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>DB_ENV->rep_set_priority()</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="rep.html" title="Chapter 10. Replication Methods" /> <link rel="prev" href="repnsites.html" title="DB_ENV->rep_set_nsites()" /> <link rel="next" href="repset_request.html" title="DB_ENV->rep_set_request()" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">DB_ENV->rep_set_priority()</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="repnsites.html">Prev</a> </td> <th width="60%" align="center">Chapter 10. Replication Methods </th> <td width="20%" align="right"> <a accesskey="n" href="repset_request.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="reppriority"></a>DB_ENV->rep_set_priority()</h2> </div> </div> </div> <pre class="programlisting">#include <db.h> int DB_ENV->rep_set_priority(DB_ENV *env, u_int32_t priority); </pre> <p> The <code class="methodname">DB_ENV->rep_set_priority()</code> method specifies the database environment's priority in replication group elections. A special value of 0 indicates that this environment cannot be a replication group master. </p> <p> The database environment's replication subsystem may also be configured using the environment's <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file. The syntax of the entry in that file is a single line with the string "rep_set_priority", one or more whitespace characters, and the priority of this site. For example, "rep_set_priority 1" sets the priority of this site to 1. Because the <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file is read when the database environment is opened, it will silently overrule configuration done before that time. </p> <p> Note that if the application never explicitly sets a priority, then a default value of 100 is used. </p> <p> The <code class="methodname">DB_ENV->rep_set_priority()</code> method configures a database environment, not only operations performed using the specified <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a> handle. </p> <p> The <code class="methodname">DB_ENV->rep_set_priority()</code> method may be called at any time during the life of the application. </p> <p> The <code class="methodname">DB_ENV->rep_set_priority()</code> <span> <span> method returns a non-zero error value on failure and 0 on success. </span> </span> </p> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1699395"></a>Parameters</h3> </div> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1699400"></a>priority</h4> </div> </div> </div> <p> The priority of this database environment in the replication group. The priority must be a non-zero integer, or 0 if this environment cannot be a replication group master. (See <a href="../../programmer_reference/rep_pri.html" class="olink">Replication environment priorities</a> for more information). </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1699478"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1699234"></a>See Also</h3> </div> </div> </div> <p> <a class="xref" href="rep.html#replist" title="Replication and Related Methods">Replication and Related Methods</a> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="repnsites.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="rep.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="repset_request.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">DB_ENV->rep_set_nsites() </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> DB_ENV->rep_set_request()</td> </tr> </table> </div> </body> </html>