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/*
* LockingPointer.h - smart pointer for lockables
*
* Copyright (c) 2021 Tobias Junghans <tobydox@veyon.io>
*
* This file is part of Veyon - https://veyon.io
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#pragma once
template<class T>
class LockingPointer
{
public:
LockingPointer( T lockable ) : m_lockable( lockable )
{
if( m_lockable )
{
m_lockable->lock();
}
}
~LockingPointer()
{
if( m_lockable )
{
m_lockable->unlock();
}
}
LockingPointer( LockingPointer<T>&& lockingPointer ) : m_lockable( lockingPointer.m_lockable )
{
lockingPointer.m_lockable = nullptr;
}
LockingPointer( LockingPointer<T> const& ) = delete;
LockingPointer& operator=( LockingPointer<T> const& ) = delete;
T operator->() const
{
return m_lockable;
}
private:
T m_lockable;
};
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