Index: branches/RC/core/install/upgrades.sql
===================================================================
diff -u -N -r11931 -r11933
--- branches/RC/core/install/upgrades.sql	(.../upgrades.sql)	(revision 11931)
+++ branches/RC/core/install/upgrades.sql	(.../upgrades.sql)	(revision 11933)
@@ -1319,6 +1319,17 @@
 INSERT INTO ConfigurationAdmin VALUES ('DebugOnlyFormConfigurator', 'la_section_SettingsAdmin', 'la_config_DebugOnlyFormConfigurator', 'checkbox', '', '', 40.09, 0, 0);
 INSERT INTO ConfigurationValues VALUES (DEFAULT, 'DebugOnlyFormConfigurator', '0', 'In-Portal', 'in-portal:configure_advanced');
 
+CREATE TABLE Semaphores (
+  SemaphoreId int(11) NOT NULL auto_increment,
+  SessionKey int(10) unsigned NOT NULL,
+  Timestamp int(10) unsigned NOT NULL,
+  MainPrefix varchar(255) NOT NULL,
+  PRIMARY KEY  (SemaphoreId),
+  KEY SessionKey (SessionKey),
+  KEY Timestamp (Timestamp),
+  KEY MainPrefix (MainPrefix)
+);
+
 ALTER TABLE Language ADD IconDisabledURL VARCHAR(255) NULL DEFAULT NULL AFTER IconURL;
 
 UPDATE Phrase
