1 files changed, 213 insertions, 0 deletions
diff --git a/c/src/exec/score/include/rtems/score/userext.h b/c/src/exec/score/include/rtems/score/userext.h
new file mode 100644
index 0000000000..37131959d9
--- /dev/null
+++ b/c/src/exec/score/include/rtems/score/userext.h
@@ -0,0 +1,213 @@
+/*  userext.h
+ *
+ *  This include file contains all information about user extensions.  This
+ *  Handler provides mechanisms which can be used to initialize and manipulate
+ *  all RTEMS user extensions.
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#ifndef __RTEMS_USER_EXTENSIONS_h
+#define __RTEMS_USER_EXTENSIONS_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/config.h>
+#include <rtems/thread.h>
+
+/*
+ *  The following is used to manage each user extension set.
+ */
+
+typedef struct {
+  Chain_Node                     Node;
+  rtems_extensions_table  Callouts;
+}   User_extensions_Control;
+
+/*
+ *  The following contains the static extension set which may be
+ *  configured by the application.
+ */
+
+EXTERN User_extensions_Control _User_extensions_Initial;
+
+/*
+ *  The following is used to manage the list of active extensions.
+ */
+
+EXTERN Chain_Control _User_extensions_List;
+
+
+/*
+ *  _User_extensions_Handler_initialization
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine performs the initialization necessary for this handler.
+ */
+
+STATIC INLINE void _User_extensions_Handler_initialization (
+    rtems_extensions_table *initial_extensions
+);
+
+/*
+ *  _User_extensions_Add_set
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to add a user extension set to the active list.
+ */
+
+STATIC INLINE void _User_extensions_Add_set (
+  User_extensions_Control       *the_extension,
+  rtems_extensions_table *extension_table
+);
+
+/*
+ *  _User_extensions_Remove_set
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to remove a user extension set from the active list.
+ */
+
+STATIC INLINE void _User_extensions_Remove_set (
+  User_extensions_Control  *the_extension
+);
+
+/*
+ *  _User_extensions_Task_create
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension for
+ *  the rtems_task_create directive.
+ */
+
+STATIC INLINE void _User_extensions_Task_create (
+  Thread_Control *the_thread
+);
+
+/*
+ *  _User_extensions_Task_delete
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension for
+ *  the rtems_task_delete directive.
+ */
+
+STATIC INLINE void _User_extensions_Task_delete (
+  Thread_Control *the_thread
+);
+
+/*
+ *  _User_extensions_Task_start
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension for
+ *  the rtems_task_start directive.
+ */
+
+STATIC INLINE void _User_extensions_Task_start (
+  Thread_Control *the_thread
+);
+
+/*
+ *  _User_extensions_Task_restart
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension for
+ *  the rtems_task_restart directive.
+ */
+
+STATIC INLINE void _User_extensions_Task_restart (
+  Thread_Control *the_thread
+);
+
+/*
+ *  _User_extensions_Task_switch
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension which
+ *  is invoked when a context switch occurs.
+ */
+
+STATIC INLINE void _User_extensions_Task_switch (
+  Thread_Control *executing,
+  Thread_Control *heir
+);
+
+/*
+ *  _User_extensions_Task_begin
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension which
+ *  is invoked when a task begins.
+ */
+
+STATIC INLINE void _User_extensions_Task_begin (
+  Thread_Control *executing
+);
+
+/*
+ *  _User_extensions_Task_exitted
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension which
+ *  is invoked when a task exits.
+ */
+
+STATIC INLINE void _User_extensions_Task_exitted (
+  Thread_Control *executing
+);
+
+/*
+ *  _User_extensions_Task_exitted
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension which
+ *  is invoked when a task exits.
+ */
+
+STATIC INLINE void _User_extensions_Task_exitted (
+  Thread_Control *executing
+);
+
+/*
+ *  _User_extensions_Fatal
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is used to invoke the user extension for
+ *  the rtems_fatal_error_occurred directive.
+ */
+
+STATIC INLINE void _User_extensions_Fatal (
+  unsigned32 the_error
+);
+
+#include <rtems/userext.inl>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */