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diff --git a/include/salhelper/condition.hxx b/include/salhelper/condition.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 INCLUDED_SALHELPER_CONDITION_HXX
+#define INCLUDED_SALHELPER_CONDITION_HXX
+
+
+#include "osl/conditn.hxx"
+#include "salhelper/salhelperdllapi.h"
+
+namespace osl { class Mutex; }
+
+namespace salhelper
+{
+
+    class SALHELPER_DLLPUBLIC Condition
+    {
+        friend class ConditionModifier;
+        friend class ConditionWaiter;
+
+    public:
+
+        Condition(osl::Mutex& aMutex);
+
+        virtual ~Condition();
+
+
+    protected:
+
+        virtual bool applies() const = 0;
+
+
+    private:
+        Condition(Condition &) SAL_DELETED_FUNCTION;
+        void operator =(Condition &) SAL_DELETED_FUNCTION;
+
+        osl::Mutex&     m_aMutex;
+        osl::Condition  m_aCondition;
+    };
+
+
+    class SALHELPER_DLLPUBLIC ConditionModifier
+    {
+    public:
+
+        ConditionModifier(Condition& aCond);
+
+        ~ConditionModifier();
+
+
+    private:
+        ConditionModifier(ConditionModifier &) SAL_DELETED_FUNCTION;
+        void operator =(ConditionModifier &) SAL_DELETED_FUNCTION;
+
+        Condition& m_aCond;
+    };
+
+
+    class SALHELPER_DLLPUBLIC ConditionWaiter
+    {
+    public:
+
+        ConditionWaiter(Condition& aCond);
+
+        struct SALHELPER_DLLPUBLIC timedout {
+            timedout();
+
+            timedout(timedout const &);
+
+            virtual ~timedout();
+
+            timedout & operator =(timedout const &);
+        };
+
+        /// @throws timedout
+        ConditionWaiter(Condition& aCond,sal_uInt32 milliSec);
+
+
+        ~ConditionWaiter();
+
+
+    private:
+        ConditionWaiter(ConditionWaiter &) SAL_DELETED_FUNCTION;
+        void operator =(ConditionWaiter &) SAL_DELETED_FUNCTION;
+
+        Condition& m_aCond;
+    };
+
+
+}   // namespace salhelper
+
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */