mirror of
https://github.com/LMMS/lmms.git
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f4dbb2ff5c
Replaced remaining occurences of old constants and superfluous "void"
on empty argument list of functions.
(cherry picked from commit 166701f9f3)
81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
/*
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* shared_object.h - class sharedObject for use among other objects
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*
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* Copyright (c) 2006-2007 Javier Serrano Polo <jasp00/at/users.sourceforge.net>
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* Copyright (c) 2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _SHARED_OBJECT_H
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#define _SHARED_OBJECT_H
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#include <QtCore/QMutex>
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class sharedObject
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{
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public:
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sharedObject() :
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m_referenceCount( 1 ),
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m_lock()
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{
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}
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virtual ~sharedObject()
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{
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}
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template<class T>
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static T * ref( T * _object )
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{
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_object->m_lock.lock();
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// TODO: Use QShared
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++_object->m_referenceCount;
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_object->m_lock.unlock();
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return( _object );
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}
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template<class T>
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static void unref( T * _object )
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{
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_object->m_lock.lock();
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bool delete_object = --_object->m_referenceCount <= 0;
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_object->m_lock.unlock();
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if ( delete_object )
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{
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delete _object;
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}
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}
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private:
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int m_referenceCount;
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QMutex m_lock;
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} ;
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#endif
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