19 lines
435 B
C
19 lines
435 B
C
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/*
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* Copyright (C) 2019 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <atomic>
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template <typename Type>
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void interlockedMax(std::atomic<Type> &dest, Type newVal) {
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Type oldVal = dest;
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Type maxVal = oldVal < newVal ? newVal : oldVal;
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while (!std::atomic_compare_exchange_weak(&dest, &oldVal, maxVal)) {
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oldVal = dest;
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maxVal = oldVal < newVal ? newVal : oldVal;
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}
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}
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