51 lines
778 B
C++
51 lines
778 B
C++
// Copyright 2015 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <functional>
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namespace Common
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{
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class ScopeGuard final
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{
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public:
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template<class Callable>
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ScopeGuard(Callable&& finalizer) : m_finalizer(std::forward<Callable>(finalizer)) {}
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ScopeGuard(ScopeGuard&& other) : m_finalizer(std::move(other.m_finalizer))
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{
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other.m_finalizer = nullptr;
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}
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~ScopeGuard()
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{
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Exit();
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}
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void Dismiss()
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{
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m_finalizer = nullptr;
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}
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void Exit()
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{
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if (m_finalizer)
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{
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m_finalizer(); // must not throw
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m_finalizer = nullptr;
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}
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}
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ScopeGuard(const ScopeGuard&) = delete;
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void operator=(const ScopeGuard&) = delete;
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private:
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std::function<void()> m_finalizer;
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};
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} // Namespace Common
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