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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef COMPHELPER_SHAREDMUTEX_HXX
      21             : #define COMPHELPER_SHAREDMUTEX_HXX
      22             : 
      23             : #include "comphelper/comphelperdllapi.h"
      24             : 
      25             : #include <osl/mutex.hxx>
      26             : 
      27             : #include <boost/shared_ptr.hpp>
      28             : 
      29             : //........................................................................
      30             : namespace comphelper
      31             : {
      32             : //........................................................................
      33             : 
      34             :     //============================================================
      35             :     //= SharedMutex
      36             :     //============================================================
      37             :     class COMPHELPER_DLLPUBLIC SharedMutex
      38             :     {
      39             :     public:
      40             :         SharedMutex();
      41             :         SharedMutex( const SharedMutex& );
      42             :         SharedMutex& operator=( const SharedMutex& );
      43         508 :         ~SharedMutex()
      44         508 :         {
      45         508 :         }
      46             : 
      47             :         inline ::osl::Mutex& getMutex() { return *m_pMutexImpl; }
      48        1589 :         inline operator ::osl::Mutex& () { return *m_pMutexImpl; }
      49             : 
      50             :     private:
      51             :         ::boost::shared_ptr< ::osl::Mutex >  m_pMutexImpl;
      52             :     };
      53             : 
      54             :     //============================================================
      55             :     //= SharedMutexBase
      56             :     //============================================================
      57             :     /** sometimes, it's necessary to have an initialized ::osl::Mutex to pass
      58             :         to some ctor call of your base class. In this case, you can't hold the
      59             :         SharedMutex as member, but you need to move it into another base class,
      60             :         which is initialized before the mutex-requiring class is.
      61             :     */
      62             :     class COMPHELPER_DLLPUBLIC SharedMutexBase
      63             :     {
      64             :     protected:
      65           0 :         SharedMutexBase()
      66           0 :         {
      67           0 :         }
      68           0 :         ~SharedMutexBase()
      69           0 :         {
      70           0 :         }
      71             : 
      72             :     protected:
      73           0 :         ::osl::Mutex&   getMutex() const { return m_aMutex; }
      74           0 :         SharedMutex&    getSharedMutex() const { return m_aMutex; }
      75             : 
      76             :     private:
      77             :         mutable SharedMutex m_aMutex;
      78             :     };
      79             : 
      80             : //........................................................................
      81             : } // namespace comphelper
      82             : //........................................................................
      83             : 
      84             : #endif // COMPHELPER_SHAREDMUTEX_HXX
      85             : 
      86             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */