150 lines
6.1 KiB
C++
150 lines
6.1 KiB
C++
/*************************************************************************
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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: resetableguard.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: obo $ $Date: 2006-09-16 14:14:07 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_framework.hxx"
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//_________________________________________________________________________________________________________________
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// my own includes
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//_________________________________________________________________________________________________________________
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#ifndef __FRAMEWORK_THREADHELP_RESETABLEGUARD_HXX_
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#include <threadhelp/resetableguard.hxx>
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#endif
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//_________________________________________________________________________________________________________________
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// interface includes
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// other includes
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// const
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// namespace
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//_________________________________________________________________________________________________________________
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namespace framework{
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using namespace ::osl ;
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//_________________________________________________________________________________________________________________
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// non exported const
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// non exported declarations
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// definitions
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//_________________________________________________________________________________________________________________
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//*****************************************************************************************************************
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// constructor
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//*****************************************************************************************************************
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ResetableGuard::ResetableGuard( Mutex* pMutex )
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: m_pMutex ( pMutex )
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, m_bLocked ( sal_False )
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{
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lock();
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}
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//*****************************************************************************************************************
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// constructor
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//*****************************************************************************************************************
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ResetableGuard::ResetableGuard( Mutex& rMutex )
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: m_pMutex ( &rMutex )
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, m_bLocked ( sal_False )
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{
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lock();
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}
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//*****************************************************************************************************************
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// destructor
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//*****************************************************************************************************************
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ResetableGuard::~ResetableGuard()
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{
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unlock();
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}
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//*****************************************************************************************************************
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// public method
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//*****************************************************************************************************************
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void ResetableGuard::lock()
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{
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if( m_bLocked == sal_False )
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{
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m_bLocked = m_pMutex->acquire();
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}
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}
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//*****************************************************************************************************************
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// public method
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//*****************************************************************************************************************
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void ResetableGuard::unlock()
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{
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if( m_bLocked == sal_True )
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{
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m_bLocked = !(m_pMutex->release());
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}
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}
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//*****************************************************************************************************************
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// public method
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//*****************************************************************************************************************
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sal_Bool ResetableGuard::tryToLock()
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{
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if( m_bLocked == sal_False )
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{
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m_bLocked = m_pMutex->tryToAcquire();
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}
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return m_bLocked;
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}
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//*****************************************************************************************************************
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// public method
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//*****************************************************************************************************************
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sal_Bool ResetableGuard::isLocked() const
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{
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return m_bLocked;
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}
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} // namespace framework
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