57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* SDL ScopeGuard
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*
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* Copyright 2024 Armin Novak <armin.novak@thincast.com>
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* Copyright 2024 Thincast Technologies GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <functional>
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class ScopeGuard
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{
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public:
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template <class Callable> explicit ScopeGuard(Callable&& cleanupFunction)
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try : f(std::forward<Callable>(cleanupFunction))
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{
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}
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catch (...)
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{
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cleanupFunction();
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throw;
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}
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~ScopeGuard()
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{
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if (f)
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f();
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}
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void dismiss() noexcept
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{
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f = nullptr;
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}
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ScopeGuard(const ScopeGuard&) = delete;
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ScopeGuard(ScopeGuard&& other) noexcept = delete;
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ScopeGuard& operator=(const ScopeGuard&) = delete;
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ScopeGuard& operator=(const ScopeGuard&&) = delete;
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private:
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std::function<void()> f;
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};
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