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diff --git a/dbaccess/inc/AsyncronousLink.hxx b/dbaccess/inc/AsyncronousLink.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#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;
+        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
+