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-rw-r--r--vos/inc/vos/mutex.hxx185
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diff --git a/vos/inc/vos/mutex.hxx b/vos/inc/vos/mutex.hxx
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-/* -*- 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.
- *
- * OpenOffice.org - a multi-platform office productivity suite
- *
- * This file is part of OpenOffice.org.
- *
- * OpenOffice.org is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 3
- * only, as published by the Free Software Foundation.
- *
- * OpenOffice.org 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 version 3 for more details
- * (a copy is included in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU Lesser General Public License
- * version 3 along with OpenOffice.org. If not, see
- * <http://www.openoffice.org/license.html>
- * for a copy of the LGPLv3 License.
- *
- ************************************************************************/
-
-#ifndef _VOS_MUTEX_HXX_
-#define _VOS_MUTEX_HXX_
-
-# include <vos/types.hxx>
-# include <vos/object.hxx>
-# include <osl/mutex.h>
-
-namespace vos
-{
-
-
-/** IMutex interface
-
- @author Bernd Hofner
- @version 1.0
-*/
-
-class IMutex
-{
-public:
-
- /// Blocks if Mutex is already in use
- virtual void SAL_CALL acquire()= 0;
-
- // Tries to get the mutex without blocking.
- virtual sal_Bool SAL_CALL tryToAcquire()= 0;
-
- /// releases the mutex.
- virtual void SAL_CALL release()= 0;
-
-protected:
- IMutex() { }
- virtual ~IMutex() { }
-
-};
-
-// ----------------------------------------------------------
-
-/** OMutex
-
- @author Bernd Hofner
- @version 1.0
-*/
-
-class OMutex : public OObject, public IMutex
-{
- VOS_DECLARE_CLASSINFO(VOS_NAMESPACE(OMutex, vos));
-
-public:
- static IMutex& SAL_CALL getGlobalMutex();
-
- /// Creates mutex
- OMutex();
- /// Implicitly destroys mutex
- virtual ~OMutex();
-
- /// Blocks if Mutex is already in use
- virtual void SAL_CALL acquire();
-
- /** Tries to get the mutex without blocking.
- @return True if mutex could be obtained, otherwise False
- */
- virtual sal_Bool SAL_CALL tryToAcquire();
-
- /// releases the mutex.
- virtual void SAL_CALL release();
-
-protected:
- oslMutex m_Impl;
-
-private:
- // disable copy/assignment
- OMutex(const OMutex&);
- OMutex& SAL_CALL operator= (const OMutex&);
-};
-
-// *********************************************************************************
-
-/** OGuard
-
- @author Bernd Hofner
- @version 1.0
-*/
-
-class OGuard
-{
- OGuard( const OGuard& );
- const OGuard& operator = ( const OGuard& );
-public:
- /** Acquires mutex
- @param pMutex pointer to mutex which is to be acquired */
- OGuard(IMutex* pMutex)
- : m_rMutex( *pMutex )
- { // only for compatible reasons
- m_rMutex.acquire();
- }
- OGuard(IMutex & rMutex)
- : m_rMutex( rMutex )
- {
- m_rMutex.acquire();
- }
-
- /** Releases mutex. */
- virtual ~OGuard()
- {
- m_rMutex.release();
- }
-
-protected:
- IMutex& m_rMutex;
-};
-
-/** A guard that can release the mutex with the clear method.
-
- @author Bernd Hofner
- @version 1.0
-*/
-class OClearableGuard
-{
- OClearableGuard( const OClearableGuard& );
- const OClearableGuard& operator = ( const OClearableGuard& );
-public:
- /** Acquires mutex
- @param pMutex pointer to mutex which is to be acquired */
- OClearableGuard(IMutex & rMutex)
- : m_pMutex( &rMutex )
- {
- m_pMutex->acquire();
- }
-
- /** Releases mutex. */
- virtual ~OClearableGuard()
- {
- if( m_pMutex )
- m_pMutex->release();
- }
-
- /** Releases mutex. */
- void SAL_CALL clear()
- {
- if( m_pMutex )
- {
- m_pMutex->release();
- m_pMutex = NULL;
- }
- }
-protected:
- IMutex* m_pMutex;
-};
-
-}
-
-
-#endif //_VOS_MUTEX_HXX_
-
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */