36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
/*
|
|
* Lock Guard
|
|
*
|
|
* Copyright (C) 2009-2011 Udo Steinberg <udo@hypervisor.org>
|
|
* Economic rights: Technische Universitaet Dresden (Germany)
|
|
*
|
|
* Copyright (C) 2019-2025 Udo Steinberg, BlueRock Security, Inc.
|
|
*
|
|
* This file is part of the NOVA microhypervisor.
|
|
*
|
|
* NOVA is free software: you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* NOVA 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 version 2 for more details.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
template<typename T> class Lock_guard final
|
|
{
|
|
private:
|
|
T &lock;
|
|
|
|
public:
|
|
Lock_guard (T &l) : lock { l } { lock.lock(); }
|
|
|
|
~Lock_guard() { lock.unlock(); }
|
|
|
|
Lock_guard (Lock_guard const &) = delete;
|
|
Lock_guard& operator= (Lock_guard const &) = delete;
|
|
};
|