office-gobmx/package/inc/mutexholder.hxx
2010-10-28 15:48:02 +01:00

133 lines
3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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#ifndef __MUTEXHOLDER_HXX_
#define __MUTEXHOLDER_HXX_
#include <osl/mutex.hxx>
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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */