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diff --git a/c/src/exec/score/headers/threadmp.h b/c/src/exec/score/headers/threadmp.h
new file mode 100644
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+++ b/c/src/exec/score/headers/threadmp.h
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+/*  threadmp.h
+ *
+ *  This include file contains the specification for all routines
+ *  and data specific to the multiprocessing portion of the thread package.
+ *
+ *  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_THREAD_MP_h
+#define __RTEMS_THREAD_MP_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  _Thread_MP_Handler_initialization
+ *
+ *  DESCRIPTION:
+ *
+ *  This package is the specification for the Thread Handler's
+ *  multiprocessing specific support routines.
+ */
+
+void _Thread_MP_Handler_initialization (
+  unsigned32 maximum_proxies
+);
+
+/*
+ *  _Thread_MP_Is_receive
+ *
+ *  DESCRIPTION:
+ *
+ *  This function returns true if the thread in question is the
+ *  multiprocessing receive thread.
+ */
+
+STATIC INLINE boolean _Thread_MP_Is_receive (
+  Thread_Control *the_thread
+);
+
+/*
+ *  _Thread_MP_Allocate_proxy
+ *
+ *  DESCRIPTION:
+ *
+ *  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
+);
+
+/*
+ *  _Thread_MP_Free_proxy
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine frees a proxy control block to the
+ *  inactive chain of free proxy control blocks.
+ */
+
+STATIC INLINE void _Thread_MP_Free_proxy (
+  Thread_Control *the_thread
+);
+
+/*
+ *  _Thread_MP_Find_proxy
+ *
+ *  DESCRIPTION:
+ *
+ *  This function removes the proxy control block for the specified
+ *  id from the active chain of proxy control blocks.
+ */
+
+Thread_Control *_Thread_MP_Find_proxy (
+  Objects_Id the_id
+);
+
+/*
+ *  _Thread_MP_Block
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine blocks the MP Receive server thread.
+ */
+
+void _Thread_MP_Block( void );
+
+/*
+ *  _Thread_MP_Ready
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine readies the MP Receive server thread.
+ */
+
+void _Thread_MP_Ready( void );
+
+/*
+ *  The following is used to determine when the multiprocessing receive
+ *  thread is executing so that a proxy can be allocated instead of
+ *  blocking the multiprocessing receive thread.
+ */
+
+EXTERN Thread_Control *_Thread_MP_Receive;
+
+/*
+ * The following chains are used to manage proxies.
+ */
+
+EXTERN Chain_Control _Thread_MP_Active_proxies;
+EXTERN Chain_Control _Thread_MP_Inactive_proxies;
+
+#include <rtems/threadmp.inl>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */