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+++ b/packages/kernel/current/src/sync/mbox.cxx
@@ -0,0 +1,159 @@
+//==========================================================================
+//
+//	mbox.cxx
+//
+//	Mbox mbox template class implementation
+//
+//==========================================================================
+//####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:	1998-02-11
+// Purpose:	Mbox implementation
+// Description:	This file contains the implementations of the mbox class
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/kernel.h>
+
+#include <cyg/kernel/ktypes.h>         // base kernel types
+#include <cyg/infra/cyg_trac.h>        // tracing macros
+#include <cyg/infra/cyg_ass.h>         // assertion macros
+#include <cyg/kernel/instrmnt.h>       // instrumentation
+
+#include <cyg/kernel/thread.inl>       // Cyg_Thread inlines
+
+#include <cyg/kernel/mbox.hxx>         // our own header
+
+#ifndef CYGIMP_MBOXT_INLINE            // force inlining
+#define CYGIMP_MBOXT_INLINE            // of implementation
+#endif
+
+#ifdef CYGIMP_MBOX_USE_MBOXT_PLAIN
+#include <cyg/kernel/mboxt.inl>        // mbox template implementation
+#else
+#include <cyg/kernel/mboxt2.inl>       // mbox template implementation
+#endif
+
+// -------------------------------------------------------------------------
+// This module exists to cause exactly one instance of these functions to
+// exist; this is just like a vanilla class, except we use the template
+// class to acquire an implementation.  The template functions are inlined
+// in each of these methods.
+
+
+// -------------------------------------------------------------------------
+// Constructor
+
+Cyg_Mbox::Cyg_Mbox()
+{
+}
+
+// -------------------------------------------------------------------------
+// Destructor
+
+Cyg_Mbox::~Cyg_Mbox()
+{
+}
+
+// -------------------------------------------------------------------------
+// debugging/assert function
+
+#ifdef CYGDBG_USE_ASSERTS
+cyg_bool 
+Cyg_Mbox::check_this(cyg_assert_class_zeal zeal)
+{
+    return m.check_this(zeal);
+}
+#endif
+
+// -------------------------------------------------------------------------
+// now the members themselves:
+    
+void *
+Cyg_Mbox::get()
+{
+    void * p;
+    if ( ! m.get( p ) )
+        return NULL;
+    return p;
+}
+
+#ifdef CYGFUN_KERNEL_THREADS_TIMER
+void *
+Cyg_Mbox::get( cyg_tick_count timeout )
+{
+    void * p;
+    if ( ! m.get( p, timeout ) )
+        return NULL;
+    return p;
+}
+#endif
+
+void *
+Cyg_Mbox::tryget()
+{
+    void * p;
+    if ( ! m.tryget( p ) )
+        return NULL;
+    return p;
+}
+
+#ifdef	CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
+cyg_bool
+Cyg_Mbox::put( void *item )
+{
+    return m.put( item );
+}
+
+#ifdef CYGFUN_KERNEL_THREADS_TIMER
+cyg_bool
+Cyg_Mbox::put( void *item, cyg_tick_count timeout )
+{
+    return m.put( item, timeout );
+}
+#endif
+#endif // CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
+
+cyg_bool
+Cyg_Mbox::tryput( void *item )
+{
+    return m.tryput( item );
+}
+
+void *
+Cyg_Mbox::peek_item()                   // Get next item to be returned
+{
+    void *p;
+    if ( ! m.peek_item( p ) )
+        return NULL;
+    return p;
+}
+
+// -------------------------------------------------------------------------
+// EOF mbox.cxx