33 lines
773 B
C
33 lines
773 B
C
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include <atomic>
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namespace td {
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class ExitGuard {
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public:
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ExitGuard() = default;
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ExitGuard(ExitGuard &&) = delete;
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ExitGuard &operator=(ExitGuard &&) = delete;
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ExitGuard(const ExitGuard &) = delete;
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ExitGuard &operator=(const ExitGuard &) = delete;
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~ExitGuard() {
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is_exited_.store(true, std::memory_order_relaxed);
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}
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static bool is_exited() {
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return is_exited_.load(std::memory_order_relaxed);
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}
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private:
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static std::atomic<bool> is_exited_;
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};
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} // namespace td
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