LCOV - code coverage report
Current view: top level - framework/inc/helper - shareablemutex.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 16 16 100.0 %
Date: 2012-08-25 Functions: 6 6 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 3 4 75.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*************************************************************************
       3                 :            :  *
       4                 :            :  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       5                 :            :  *
       6                 :            :  * Copyright 2000, 2010 Oracle and/or its affiliates.
       7                 :            :  *
       8                 :            :  * OpenOffice.org - a multi-platform office productivity suite
       9                 :            :  *
      10                 :            :  * This file is part of OpenOffice.org.
      11                 :            :  *
      12                 :            :  * OpenOffice.org is free software: you can redistribute it and/or modify
      13                 :            :  * it under the terms of the GNU Lesser General Public License version 3
      14                 :            :  * only, as published by the Free Software Foundation.
      15                 :            :  *
      16                 :            :  * OpenOffice.org is distributed in the hope that it will be useful,
      17                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      18                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19                 :            :  * GNU Lesser General Public License version 3 for more details
      20                 :            :  * (a copy is included in the LICENSE file that accompanied this code).
      21                 :            :  *
      22                 :            :  * You should have received a copy of the GNU Lesser General Public License
      23                 :            :  * version 3 along with OpenOffice.org.  If not, see
      24                 :            :  * <http://www.openoffice.org/license.html>
      25                 :            :  * for a copy of the LGPLv3 License.
      26                 :            :  *
      27                 :            :  ************************************************************************/
      28                 :            : 
      29                 :            : #ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
      30                 :            : #define __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
      31                 :            : 
      32                 :            : #include <osl/interlck.h>
      33                 :            : #include <osl/mutex.hxx>
      34                 :            : #include <fwidllapi.h>
      35                 :            : 
      36                 :            : namespace framework
      37                 :            : {
      38                 :            : 
      39                 :            : class FWI_DLLPUBLIC ShareableMutex
      40                 :            : {
      41                 :            :     public:
      42                 :            :         ShareableMutex();
      43                 :            :         ShareableMutex( const ShareableMutex& rShareableMutex );
      44                 :            :         const ShareableMutex& operator=( const ShareableMutex& rShareableMutex );
      45                 :            : 
      46                 :            :         ~ShareableMutex();
      47                 :            : 
      48                 :            :         void acquire();
      49                 :            :         void release();
      50                 :            : 
      51                 :            :     private:
      52                 :        424 :         struct MutexRef
      53                 :            :         {
      54                 :        424 :             MutexRef() : m_refCount(0) {}
      55                 :       4090 :             void acquire()
      56                 :            :             {
      57                 :       4090 :                 osl_incrementInterlockedCount( &m_refCount );
      58                 :       4090 :             }
      59                 :            : 
      60                 :       4090 :             void release()
      61                 :            :             {
      62         [ +  + ]:       4090 :                 if ( osl_decrementInterlockedCount( &m_refCount ) == 0 )
      63         [ +  - ]:        424 :                     delete this;
      64                 :       4090 :             }
      65                 :            : 
      66                 :            :             oslInterlockedCount m_refCount;
      67                 :            :             osl::Mutex          m_oslMutex;
      68                 :            :         };
      69                 :            : 
      70                 :            :         MutexRef* pMutexRef;
      71                 :            : };
      72                 :            : 
      73                 :            : class ShareGuard
      74                 :            : {
      75                 :            :     public:
      76                 :     894347 :         ShareGuard( ShareableMutex& rShareMutex ) :
      77                 :     894347 :             m_rShareMutex( rShareMutex )
      78                 :            :         {
      79                 :     894347 :             m_rShareMutex.acquire();
      80                 :     894347 :         }
      81                 :            : 
      82                 :     894347 :         ~ShareGuard()
      83                 :            :         {
      84                 :     894347 :             m_rShareMutex.release();
      85                 :     894347 :         }
      86                 :            : 
      87                 :            :     private:
      88                 :            :         ShareGuard();
      89                 :            :         ShareGuard& operator=( const ShareGuard& );
      90                 :            : 
      91                 :            :         ShareableMutex& m_rShareMutex;
      92                 :            : };
      93                 :            : 
      94                 :            : }
      95                 :            : 
      96                 :            : #endif // #ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
      97                 :            : 
      98                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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