new file mode 100644
--- /dev/null
+++ b/packages/kernel/current/include/mbox.hxx
@@ -0,0 +1,125 @@
+#ifndef CYGONCE_KERNEL_MBOX_HXX
+#define CYGONCE_KERNEL_MBOX_HXX
+
+//==========================================================================
+//
+//	mbox.hxx
+//
+//	Plain (void *) Mbox (Message Box/Mailbox) class declarations
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	hmt
+// Contributors:	hmt
+// Date:	1998-02-10
+// Purpose:	Define Mbox class interfaces
+// Description:	The classes defined here provide the APIs for mboxes.
+// Usage:	#include <cyg/kernel/mbox.hxx>
+//		
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <cyg/kernel/ktypes.h>
+#include <cyg/infra/cyg_ass.h>            // assertion macros
+#include <cyg/kernel/thread.hxx>
+
+#ifdef CYGIMP_MBOX_USE_MBOXT_PLAIN
+#include <cyg/kernel/mboxt.hxx>
+#else
+#include <cyg/kernel/mboxt2.hxx>
+#endif
+
+// -------------------------------------------------------------------------
+// Message/Mail Box.  This class implements a queue of void * items using
+// the Cyg_Mbox<Type, QSize> template class.
+
+#ifndef CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE
+// default is 10 elements
+#define CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE (10)
+#endif
+
+// Cyg_Mbox has a fixed size array of (void *)s; one size fits all.
+// Because of this, we can simplify the API by returning a NULL for
+// "failed" conditions.  Ergo a NULL message is illegal.  BFD.
+
+class Cyg_Mbox
+{
+private:
+#ifdef CYGIMP_MBOX_USE_MBOXT_PLAIN
+    Cyg_Mboxt<void *, CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE> m;
+#else
+    Cyg_Mboxt2<void *, CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE> m;
+#endif
+
+public:
+
+    CYGDBG_DEFINE_CHECK_THIS
+    
+    Cyg_Mbox();                         // Constructor
+    ~Cyg_Mbox();                        // Destructor
+        
+    void *	get();                  // get an item; wait if none
+#ifdef CYGFUN_KERNEL_THREADS_TIMER
+    void *	get( cyg_tick_count timeout );
+#endif
+    void *	tryget();               // just one attempt
+
+    void * 	peek_item();            // Get next item to be returned
+                                        // without removing it
+
+#ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT   // then we support it too
+    cyg_bool	put( void *item );      // put an item; wait if full
+#ifdef CYGFUN_KERNEL_THREADS_TIMER
+    cyg_bool	put( void *item, cyg_tick_count timeout );
+#endif
+#endif
+    cyg_bool	tryput( void *item );   // fails if Q full
+
+    inline
+    cyg_count32 peek()                  // Get current count value
+    {
+        return m.peek();
+    }
+
+    inline
+    cyg_bool	waiting_to_get()        // Any threads waiting to get?
+    {
+        return m.waiting_to_get();
+    }
+    inline
+    cyg_bool	waiting_to_put()        // Any threads waiting to put?
+    {
+        return m.waiting_to_put();
+    }
+};
+
+
+
+// -------------------------------------------------------------------------
+#endif // ifndef CYGONCE_KERNEL_MBOX_HXX
+// End of mbox.hxx