1<!--$Id: rep_priority.so,v 1.3 2008/01/30 20:14:30 sue 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->rep_set_priority</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->rep_set_priority</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->rep_set_priority(DB_ENV *env, u_int32_t priority); 26int 27DB_ENV->rep_get_priority(DB_ENV *env, u_int32_t *priorityp); 28</pre></b> 29<hr size=1 noshade> 30<b>Description: DB_ENV->rep_set_priority</b> 31<p>The DB_ENV->rep_set_priority method specifies the database environment's 32priority in replication group elections. A special value of 330 indicates that this environment cannot be a replication 34group master.</p> 35<p>The database environment's replication subsystem may also be configured using the 36environment's <a href="../ref/env/db_config.html#DB_CONFIG">DB_CONFIG</a> file. The syntax of the entry in that 37file is a single line with the string "rep_set_priority", one or more whitespace 38characters, and the priority of this site. 39For example, "rep_set_priority 1" sets the priority of this site to 1. 40Because the <a href="../ref/env/db_config.html#DB_CONFIG">DB_CONFIG</a> file is read when the database environment 41is opened, it will silently overrule configuration done before that 42time.</p> 43<p>The DB_ENV->rep_set_priority method configures a database environment, not only operations 44performed using the specified <a href="../api_c/env_class.html">DB_ENV</a> handle.</p> 45<p>The DB_ENV->rep_set_priority method may be called at any time during the life of the 46application.</p> 47<p>The DB_ENV->rep_set_priority method 48returns a non-zero error value on failure 49and 0 on success. 50</p> 51<b>Parameters</b> <br> 52 <b>priority</b><ul compact><li>The priority of this database environment in the replication group. The 53priority must be a non-zero integer, or 0 if this environment cannot be 54a replication group master. (See <a href="../ref/rep/pri.html">Replication environment priorities</a> for more information).</ul> 55<br> 56<hr size=1 noshade> 57<b>Description: DB_ENV->rep_get_priority</b> 58<p>The DB_ENV->rep_get_priority method returns the database environment priority.</p> 59<p>The DB_ENV->rep_get_priority method may be called at any time during the life of the 60application.</p> 61<p>The DB_ENV->rep_get_priority method 62returns a non-zero error value on failure 63and 0 on success. 64</p> 65<b>Parameters</b> <br> 66 <b>priorityp</b><ul compact><li>The DB_ENV->rep_get_priority method returns the 67database environment priority in <b>priorityp</b>.</ul> 68<br> 69<hr size=1 noshade> 70<br><b>Class</b> 71<a href="../api_c/env_class.html">DB_ENV</a> 72<br><b>See Also</b> 73<a href="../api_c/rep_list.html">Replication and Related Methods</a> 74</tt> 75<table width="100%"><tr><td><br></td><td align=right> 76<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> 77</td></tr></table> 78<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 79</body> 80</html> 81
