mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-10-24 17:09:06 +00:00
e149ad4f0aSPDX standardizes how source code conveys its copyright and licensing information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX tags are adopted in many large projects, including things like the Linux kernel.
40 lines
773 B
C++
40 lines
773 B
C++
// Copyright 2015 Dolphin Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#pragma once
|
|
|
|
#include <optional>
|
|
|
|
namespace Common
|
|
{
|
|
template <typename Callable>
|
|
class ScopeGuard final
|
|
{
|
|
public:
|
|
ScopeGuard(Callable&& finalizer) : m_finalizer(std::forward<Callable>(finalizer)) {}
|
|
|
|
ScopeGuard(ScopeGuard&& other) : m_finalizer(std::move(other.m_finalizer))
|
|
{
|
|
other.m_finalizer = nullptr;
|
|
}
|
|
|
|
~ScopeGuard() { Exit(); }
|
|
void Dismiss() { m_finalizer.reset(); }
|
|
void Exit()
|
|
{
|
|
if (m_finalizer)
|
|
{
|
|
(*m_finalizer)(); // must not throw
|
|
m_finalizer.reset();
|
|
}
|
|
}
|
|
|
|
ScopeGuard(const ScopeGuard&) = delete;
|
|
|
|
void operator=(const ScopeGuard&) = delete;
|
|
|
|
private:
|
|
std::optional<Callable> m_finalizer;
|
|
};
|
|
|
|
} // Namespace Common
|