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