ad61b6ee68
2008/04/01 15:18:18 thb 1.5.458.2: #i85898# Stripping all external header guards 2008/03/28 15:34:39 rt 1.5.458.1: #i87441# Change license header to LPGL v3.
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: shareablemutex.hxx,v $
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* $Revision: 1.6 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
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#define __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
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#include <osl/interlck.h>
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#include <osl/mutex.hxx>
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namespace framework
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{
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class ShareableMutex
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{
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public:
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ShareableMutex();
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ShareableMutex( const ShareableMutex& rShareableMutex );
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const ShareableMutex& operator=( const ShareableMutex& rShareableMutex );
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~ShareableMutex();
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void acquire();
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void release();
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::osl::Mutex& getShareableOslMutex();
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private:
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struct MutexRef
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{
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MutexRef() : m_refCount(0) {}
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void acquire()
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{
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osl_incrementInterlockedCount( &m_refCount );
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}
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void release()
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{
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if ( osl_decrementInterlockedCount( &m_refCount ) == 0 )
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delete this;
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}
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oslInterlockedCount m_refCount;
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osl::Mutex m_oslMutex;
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};
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MutexRef* pMutexRef;
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};
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class ShareGuard
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{
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public:
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ShareGuard( ShareableMutex& rShareMutex ) :
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m_rShareMutex( rShareMutex )
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{
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m_rShareMutex.acquire();
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}
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~ShareGuard()
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{
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m_rShareMutex.release();
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}
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private:
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ShareGuard();
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ShareGuard& operator=( const ShareGuard& );
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ShareableMutex& m_rShareMutex;
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};
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}
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#endif // #ifndef __FRAMEWORK_HELPER_SHAREABLEMUTEX_HXX_
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