1 files changed, 86 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/apiext.h b/cpukit/score/include/rtems/score/apiext.h
new file mode 100644
index 0000000000..07ac4b4a93
--- /dev/null
+++ b/cpukit/score/include/rtems/score/apiext.h
@@ -0,0 +1,86 @@
+/*  apiext.h
+ *
+ *  XXX
+ *
+ *  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 __API_EXTENSIONS_h
+#define __API_EXTENSIONS_h
+
+#include <rtems/core/chain.h>
+
+/*
+ *  The control structure which defines the points at which an API
+ *  can add an extension to the system initialization thread.
+ */
+ 
+typedef void (*API_extensions_Predriver_hook)(void);
+typedef void (*API_extensions_Postdriver_hook)(void);
+ 
+typedef struct {
+  Chain_Node                     Node;
+  API_extensions_Predriver_hook  predriver_hook;
+  API_extensions_Postdriver_hook postdriver_hook;
+}  API_extensions_Control;
+
+/*
+ *  This is the list of API extensions to the system initialization.
+ */
+ 
+EXTERN Chain_Control _API_extensions_List;
+
+/*
+ *  _API_extensions_Initialization
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine initializes the API extension handler.
+ *
+ */
+ 
+void _API_extensions_Initialization( void );
+ 
+/*
+ *  _API_extensions_Add
+ *
+ *  DESCRIPTION:
+ *
+ *  XXX
+ */
+ 
+void _API_extensions_Add(
+  API_extensions_Control *the_extension
+);
+
+/*
+ *  _API_extensions_Run_predriver
+ *
+ *  DESCRIPTION:
+ *
+ *  XXX
+ */
+ 
+void _API_extensions_Run_predriver( void );
+
+/*
+ *  _API_extensions_Run_postdriver
+ *
+ *  DESCRIPTION:
+ *
+ *  XXX
+ */
+
+void _API_extensions_Run_postdriver( void );
+
+#endif
+/* end of include file */