Index: modules/system/system.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.api.php,v
retrieving revision 1.134
diff -u -p -r1.134 system.api.php
--- modules/system/system.api.php	18 Feb 2010 01:40:46 -0000	1.134
+++ modules/system/system.api.php	19 Feb 2010 00:46:21 -0000
@@ -393,6 +393,21 @@ function hook_cron_queue_info() {
 }
 
 /**
+ * Alter cron queue information before cron runs.
+ *
+ * Called by drupal_run_cron() to allow modules to alter cron queue settings
+ * before any jobs are processesed.
+ *
+ * @param array $queues
+ *   An array of cron queue information.
+ *
+ *  @see hook_cron_queue_info()
+ */
+function hook_cron_queue_info_alter(&$queues) {
+  $queues['aggregator_feeds']['time'] = 30;
+}
+
+/**
  * Allows modules to declare their own Forms API element types and specify their
  * default values.
  *