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diff --git a/framework/inc/threadhelp/threadhelpbase.hxx b/framework/inc/threadhelp/threadhelpbase.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 __FRAMEWORK_THREADHELP_THREADHELPBASE_HXX_
+#define __FRAMEWORK_THREADHELP_THREADHELPBASE_HXX_
+
+//_________________________________________________________________________________________________________________
+//  my own includes
+//_________________________________________________________________________________________________________________
+
+#include <threadhelp/lockhelper.hxx>
+
+//_________________________________________________________________________________________________________________
+//  interface includes
+//_________________________________________________________________________________________________________________
+
+//_________________________________________________________________________________________________________________
+//  other includes
+//_________________________________________________________________________________________________________________
+
+//_________________________________________________________________________________________________________________
+//  namespace
+//_________________________________________________________________________________________________________________
+
+namespace framework{
+
+//_________________________________________________________________________________________________________________
+//  const
+//_________________________________________________________________________________________________________________
+
+//_________________________________________________________________________________________________________________
+//  declarations
+//_________________________________________________________________________________________________________________
+
+/*-************************************************************************************************************//**
+    @short          "baseclass" to make own classes threadsafe
+    @descr          Sometimes you must share your lock- or mutex member with any other baseclasses.
+                    And baseclasses are initialized erlier then members! That's why you should use
+                    this struct as first of your baseclasses!!!
+                    Then you will get a public member "m_aLock" which can be used by special guard implementations
+                    to make your code threadsafe.
+
+    @seealso        class LockHelper
+
+    @implements     -
+    @base           -
+
+    @devstatus      ready to use
+*//*-*************************************************************************************************************/
+struct ThreadHelpBase
+{
+    //-------------------------------------------------------------------------------------------------------------
+    //  public methods
+    //-------------------------------------------------------------------------------------------------------------
+    public:
+        ThreadHelpBase( ::vos::IMutex* pSolarMutex = NULL )
+                :   m_aLock( pSolarMutex )
+        {
+        }
+
+    //-------------------------------------------------------------------------------------------------------------
+    //  public member
+    //  Make it mutable for using in const functions!
+    //-------------------------------------------------------------------------------------------------------------
+    public:
+
+        mutable LockHelper m_aLock;
+};
+
+}       //  namespace framework
+
+#endif  //  #ifndef __FRAMEWORK_THREADHELP_THREADHELPBASE_HXX_