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diff --git a/include/dbaccess/AsyncronousLink.hxx b/include/dbaccess/AsyncronousLink.hxx
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+++ b/include/dbaccess/AsyncronousLink.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef DBAUI_ASYNCRONOUSLINK_HXX
+#define DBAUI_ASYNCRONOUSLINK_HXX
+
+#include <tools/link.hxx>
+#include <osl/mutex.hxx>
+
+namespace dbaui
+{
+    // =========================================================================
+    // a helper for multi-threaded handling of async events
+    // -------------------------------------------------------------------------
+    /** handles asynchronous links which may be called in multi-threaded environments
+        If you use an instance of this class as member of your own class, it will handle
+        several crucial points for you (for instance the case that somebody posts the
+        event while another thread tries to delete this event in the _destructor_ of the
+        class).
+    */
+    class OAsyncronousLink
+    {
+        Link                m_aHandler;
+
+    protected:
+        ::osl::Mutex        m_aEventSafety;
+        ::osl::Mutex        m_aDestructionSafety;
+        sal_uLong               m_nEventId;
+
+    public:
+        /** constructs the object
+            @param      _rHandler           The link to be called asyncronously
+        */
+        OAsyncronousLink( const Link& _rHandler );
+        virtual ~OAsyncronousLink();
+
+        bool    IsRunning() const { return m_nEventId != 0; }
+
+        void Call( void* _pArgument = NULL );
+        void CancelCall();
+
+    protected:
+        DECL_LINK(OnAsyncCall, void*);
+    };
+}
+#endif // DBAUI_ASYNCRONOUSLINK_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */