office-gobmx/package/inc/mutexholder.hxx
Jens-Heiner Rechtien d0bd8dcdee INTEGRATION: CWS readstorage (1.1.2); FILE ADDED
2004/01/06 09:37:20 mav 1.1.2.1: #114521# a common header
2004-02-03 16:49:00 +00:00

167 lines
4.2 KiB
C++

/*************************************************************************
*
* $RCSfile: mutexholder.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: hr $ $Date: 2004-02-03 17:49:00 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef __MUTEXHOLDER_HXX_
#define __MUTEXHOLDER_HXX_
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
class SotMutexHolder
{
::osl::Mutex m_aMutex;
sal_Int32 m_nRefCount;
public:
SotMutexHolder() : m_nRefCount( 0 ) {}
void AddRef()
{
m_nRefCount++;
}
void ReleaseRef()
{
if ( !--m_nRefCount )
delete this;
}
::osl::Mutex& GetMutex() { return m_aMutex; }
};
class SotMutexHolderRef
{
SotMutexHolder* m_pHolder;
public:
SotMutexHolderRef()
: m_pHolder( NULL )
{}
SotMutexHolderRef( SotMutexHolder* pHolder )
: m_pHolder( pHolder )
{
if ( m_pHolder )
m_pHolder->AddRef();
}
SotMutexHolderRef( const SotMutexHolderRef& rRef )
: m_pHolder( rRef.m_pHolder )
{
if ( m_pHolder )
m_pHolder->AddRef();
}
~SotMutexHolderRef()
{
if ( m_pHolder )
m_pHolder->ReleaseRef();
}
SotMutexHolderRef& operator =( const SotMutexHolderRef& rRef )
{
if ( m_pHolder )
m_pHolder->ReleaseRef();
m_pHolder = rRef.m_pHolder;
if ( m_pHolder )
m_pHolder->AddRef();
return *this;
}
SotMutexHolderRef& operator =( SotMutexHolder* pHolder )
{
if ( m_pHolder )
m_pHolder->ReleaseRef();
m_pHolder = pHolder;
if ( m_pHolder )
m_pHolder->AddRef();
return *this;
}
SotMutexHolder* operator ->() const
{
return m_pHolder;
}
SotMutexHolder& operator *() const
{
return *m_pHolder;
}
operator SotMutexHolder*() const
{
return m_pHolder;
}
sal_Bool Is() const
{
return m_pHolder != NULL;
}
};
#endif