1 files changed, 46 insertions, 0 deletions
diff --git a/cpukit/score/src/userextaddset.c b/cpukit/score/src/userextaddset.c
new file mode 100644
index 0000000000..516477a50e
--- /dev/null
+++ b/cpukit/score/src/userextaddset.c
@@ -0,0 +1,46 @@
+/*
+ *  COPYRIGHT (c) 1989-2007.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/userext.h>
+
+/**
+ *  This routine is used to add a user extension set to the active list.
+ *
+ *  @note Must be before _User_extensions_Handler_initialization to
+ *        ensure proper inlining.
+ */
+
+void _User_extensions_Add_set (
+  User_extensions_Control *the_extension,
+  User_extensions_Table   *extension_table
+)
+{
+  the_extension->Callouts = *extension_table;
+
+  _Chain_Append( &_User_extensions_List, &the_extension->Node );
+
+  /*
+   * If a switch handler is present, append it to the switch chain.
+   */
+
+  if ( extension_table->thread_switch != NULL ) {
+    the_extension->Switch.thread_switch = extension_table->thread_switch;
+    _Chain_Append(
+      &_User_extensions_Switches_list,
+      &the_extension->Switch.Node
+    );
+  }
+}