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diff --git a/cpukit/score/include/rtems/score/interr.h b/cpukit/score/include/rtems/score/interr.h
new file mode 100644
index 0000000000..b98eba8d7a
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+++ b/cpukit/score/include/rtems/score/interr.h
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+/**
+ *  @file  rtems/score/interr.h
+ *
+ *  This include file contains constants and prototypes related
+ *  to the Internal Error Handler.
+ */
+
+/*
+ *  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.
+ *
+ *  $Id$
+ */
+
+#ifndef _RTEMS_SCORE_INTERR_H
+#define _RTEMS_SCORE_INTERR_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <rtems/system.h>
+
+/**
+ *  @defgroup ScoreIntErr Internal Error Handler
+ *
+ *  This handler encapsulates functionality which provides the foundation
+ *  Semaphore services used in all of the APIs supported by RTEMS.
+ */
+/**@{*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  This type lists the possible sources from which an error
+ *  can be reported.
+ */
+typedef enum {
+  INTERNAL_ERROR_CORE,
+  INTERNAL_ERROR_RTEMS_API,
+  INTERNAL_ERROR_POSIX_API
+} Internal_errors_Source;
+
+/**
+ *  A list of errors which are generated internally by the executive core.
+ */
+typedef enum {
+  INTERNAL_ERROR_NO_CONFIGURATION_TABLE,
+  INTERNAL_ERROR_NO_CPU_TABLE,
+  INTERNAL_ERROR_TOO_LITTLE_WORKSPACE,
+  INTERNAL_ERROR_WORKSPACE_ALLOCATION,
+  INTERNAL_ERROR_INTERRUPT_STACK_TOO_SMALL,
+  INTERNAL_ERROR_THREAD_EXITTED,
+  INTERNAL_ERROR_INCONSISTENT_MP_INFORMATION,
+  INTERNAL_ERROR_INVALID_NODE,
+  INTERNAL_ERROR_NO_MPCI,
+  INTERNAL_ERROR_BAD_PACKET,
+  INTERNAL_ERROR_OUT_OF_PACKETS,
+  INTERNAL_ERROR_OUT_OF_GLOBAL_OBJECTS,
+  INTERNAL_ERROR_OUT_OF_PROXIES,
+  INTERNAL_ERROR_INVALID_GLOBAL_ID,
+  INTERNAL_ERROR_BAD_STACK_HOOK,
+  INTERNAL_ERROR_BAD_ATTRIBUTES,
+  INTERNAL_ERROR_IMPLEMENTATION_KEY_CREATE_INCONSISTENCY,
+  INTERNAL_ERROR_IMPLEMENTATION_BLOCKING_OPERATION_CANCEL,
+  INTERNAL_ERROR_MUTEX_OBTAIN_FROM_BAD_STATE,
+  INTERNAL_ERROR_UNLIMITED_AND_MAXIMUM_IS_0,
+  INTERNAL_ERROR_SHUTDOWN_WHEN_NOT_UP,
+  INTERNAL_ERROR_GXX_KEY_ADD_FAILED,
+  INTERNAL_ERROR_GXX_MUTEX_INIT_FAILED
+} Internal_errors_Core_list;
+
+typedef uint32_t Internal_errors_t;
+
+/**
+ *  This type holds the fatal error information.
+ */
+typedef struct {
+  /** This is the source of the error. */
+  Internal_errors_Source  the_source;
+  /** This indicates if the error is internal of external. */
+  bool                    is_internal;
+  /** This is the error code. */
+  Internal_errors_t       the_error;
+} Internal_errors_Information;
+
+/**
+ *  When a fatal error occurs, the error information is stored here.
+ */
+SCORE_EXTERN Internal_errors_Information _Internal_errors_What_happened;
+
+/** @brief  Internal error Occurred
+ *
+ *  This routine is invoked when the application or the executive itself
+ *  determines that a fatal error has occurred.
+ */
+void _Internal_error_Occurred(
+  Internal_errors_Source  the_source,
+  bool                    is_internal,
+  Internal_errors_t       the_error
+) RTEMS_COMPILER_NO_RETURN_ATTRIBUTE;
+
+#ifdef __cplusplus
+}
+#endif
+
+/**@}*/
+
+#endif
+/* end of include file */