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diff --git a/cpukit/include/rtems/score/threadmp.h b/cpukit/include/rtems/score/threadmp.h
new file mode 100644
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+++ b/cpukit/include/rtems/score/threadmp.h
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+/**
+ *  @file  rtems/score/threadmp.h
+ *
+ *  @brief Multiprocessing Portion of the Thread Package
+ *
+ *  This include file contains the specification for all routines
+ *  and data specific to the multiprocessing portion of the thread package.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2009.
+ *  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.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_SCORE_THREADMP_H
+#define _RTEMS_SCORE_THREADMP_H
+
+#ifndef _RTEMS_SCORE_THREADIMPL_H
+# error "Never use <rtems/score/threadmp.h> directly; include <rtems/score/threadimpl.h> instead."
+#endif
+
+#include <rtems/score/mpciimpl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  @defgroup ScoreThreadMP Thread Handler Multiprocessing Support
+ *
+ *  @ingroup Score
+ *
+ *  This handler encapsulates functionality which is related to managing
+ *  threads in a multiprocessor system configuration.  This handler must
+ *  manage proxies which represent remote threads blocking on local
+ *  operations.
+ */
+/**@{*/
+
+/**
+ *  @brief Initialize MP thread handler.
+ *
+ *  This routine initializes the multiprocessing portion of the Thread Handler.
+ */
+void _Thread_MP_Handler_initialization (
+  uint32_t   maximum_proxies
+);
+
+/**
+ *  @brief Allocate a MP proxy control block from
+ *  the inactive chain of free proxy control blocks.
+ *
+ *  This  allocates a proxy control block from
+ *  the inactive chain of free proxy control blocks.
+ *
+ *  @note This function returns a thread control pointer
+ *        because proxies are substitutes for remote threads.
+ */
+Thread_Control *_Thread_MP_Allocate_proxy (
+  States_Control the_state
+);
+
+/**
+ *  @brief Removes the MP proxy control block for the specified
+ *  id from the active chain of proxy control blocks.
+ *
+ *  This function removes the proxy control block for the specified
+ *  id from the active red-black tree of proxy control blocks.
+ */
+Thread_Control *_Thread_MP_Find_proxy (
+  Objects_Id the_id
+);
+
+/**
+ * This function returns true if the thread in question is the
+ * multiprocessing receive thread.
+ *
+ * @note This is a macro to avoid needing a prototype for
+ *       _MPCI_Receive_server_tcb until it is used.
+ */
+#define _Thread_MP_Is_receive(_the_thread) \
+  ((_the_thread) == _MPCI_Receive_server_tcb)
+
+/**
+ * This routine frees a proxy control block to the
+ * inactive chain of free proxy control blocks.
+ */
+void _Thread_MP_Free_proxy( Thread_Control *the_thread );
+
+RTEMS_INLINE_ROUTINE bool _Thread_MP_Is_remote( Objects_Id id )
+{
+  Objects_Information *information;
+
+  information = _Thread_Get_objects_information( id );
+  if ( information == NULL ) {
+    return false;
+  }
+
+  return _Objects_MP_Is_remote( id, information );
+}
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */