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0dc5fb3e51
Cleaned up files: opencl/source/mem_obj/image.h opencl/source/platform/platform.h shared/source/command_stream/preemption.h shared/source/helpers/mt_helpers.h shared/source/memory_manager/unified_memory_manager.h Related-To: NEO-5548 Signed-off-by: Warchulski, Jaroslaw <jaroslaw.warchulski@intel.com>
39 lines
1019 B
C++
39 lines
1019 B
C++
/*
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* Copyright (C) 2019-2023 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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namespace NEO {
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namespace MultiThreadHelpers {
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template <typename Type>
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inline bool atomicCompareExchangeWeakSpin(std::atomic<Type> &destination,
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Type &expectedValue,
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const Type desiredValue) {
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const Type currentValue = destination;
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if (currentValue == expectedValue) {
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if (destination.compare_exchange_weak(expectedValue, desiredValue)) {
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return true;
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}
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} else {
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expectedValue = currentValue;
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}
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return false;
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}
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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 (!atomicCompareExchangeWeakSpin(dest, oldVal, maxVal)) {
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maxVal = oldVal < newVal ? newVal : oldVal;
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}
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}
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} // namespace MultiThreadHelpers
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} // namespace NEO
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