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9e52684f5b
Change-Id: If965c79d70392db26597aea4c2f3b7ae2820fe96 Signed-off-by: Maciej Plewka <maciej.plewka@intel.com>
39 lines
663 B
C++
39 lines
663 B
C++
/*
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* Copyright (C) 2018-2019 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 "runtime/helpers/properties_helper.h"
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#include <atomic>
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namespace NEO {
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class SpinLock : NonCopyableOrMovableClass {
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public:
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SpinLock() = default;
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~SpinLock() = default;
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void lock() {
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while (flag.test_and_set(std::memory_order_acquire))
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;
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}
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bool try_lock() { // NOLINT
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return flag.test_and_set(std::memory_order_acquire) == false;
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}
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void unlock() {
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flag.clear(std::memory_order_release);
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}
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protected:
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std::atomic_flag flag = ATOMIC_FLAG_INIT;
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};
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} // namespace NEO
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