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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_GUARDING_HXX_
      21             : #define _COMPHELPER_GUARDING_HXX_
      22             : 
      23             : #include <osl/mutex.hxx>
      24             : 
      25             : //.........................................................................
      26             : namespace comphelper
      27             : {
      28             : //.........................................................................
      29             : 
      30             : // ===================================================================================================
      31             : // = class MutexRelease -
      32             : // ===================================================================================================
      33             : 
      34             : /** opposite of OGuard :)
      35             :     (a mutex is released within the constructor and acquired within the desctructor)
      36             :     use only when you're sure the mutex is acquired !
      37             : */
      38             : template <class MUTEX>
      39             : class ORelease
      40             : {
      41             :     MUTEX&  m_rMutex;
      42             : 
      43             : public:
      44         760 :     ORelease(MUTEX& _rMutex) : m_rMutex(_rMutex) { _rMutex.release(); }
      45         760 :     ~ORelease() { m_rMutex.acquire(); }
      46             : };
      47             : 
      48             : typedef ORelease< ::osl::Mutex >    MutexRelease;
      49             : 
      50             : //.........................................................................
      51             : }   // namespace comphelper
      52             : //.........................................................................
      53             : 
      54             : #endif // _COMPHELPER_GUARDING_HXX_
      55             : 
      56             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */