49 lines
950 B
C++
49 lines
950 B
C++
/*
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* utility_atomicscopeguard.hpp
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*
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* Created on: Mar 21, 2021
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* Author: erki
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*/
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#ifndef UTILITY_INC_UTILITY_ATOMICSCOPEGUARD_HPP_
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#define UTILITY_INC_UTILITY_ATOMICSCOPEGUARD_HPP_
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#include <cstdint>
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namespace Utility
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{
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template<typename H>
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struct AtomicScopeGuard
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{
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using hal = H;
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AtomicScopeGuard()
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{
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hal::disableInterrupts();
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_reentrancy_counter++;
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}
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AtomicScopeGuard(const AtomicScopeGuard&) = delete;
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AtomicScopeGuard(AtomicScopeGuard&&) = delete;
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AtomicScopeGuard& operator=(const AtomicScopeGuard&) = delete;
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AtomicScopeGuard& operator=(AtomicScopeGuard&&) = delete;
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~AtomicScopeGuard()
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{
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_reentrancy_counter--;
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if (!_reentrancy_counter)
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hal::enableInterrupts();
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}
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private:
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static std::int32_t _reentrancy_counter;
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};
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template<typename H>
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std::int32_t AtomicScopeGuard<H>::_reentrancy_counter = 0;
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}// namespace Utility
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#endif /* UTILITY_INC_UTILITY_ATOMICSCOPEGUARD_HPP_ */
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