52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
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#include "asl/meta.hpp"
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namespace asl
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{
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enum class memory_order : int // NOLINT(*-enum-size)
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{
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relaxed = __ATOMIC_RELAXED,
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acquire = __ATOMIC_ACQUIRE,
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release = __ATOMIC_RELEASE,
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acq_rel = __ATOMIC_ACQ_REL,
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seq_cst = __ATOMIC_SEQ_CST,
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};
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template<typename T> struct atomic { T m_value{}; };
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inline void atomic_fence(memory_order order)
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{
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__atomic_thread_fence(static_cast<int>(order));
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}
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template<is_integer T>
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inline void atomic_store(atomic<T>* a, T value, memory_order order = memory_order::relaxed)
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{
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__atomic_store(&a->m_value, &value, static_cast<int>(order));
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}
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template<is_integer T>
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inline T atomic_load(atomic<T>* a, memory_order order = memory_order::relaxed)
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{
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T value;
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__atomic_load(&a->m_value, &value, static_cast<int>(order));
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return value;
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}
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template<typename T>
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inline T atomic_fetch_increment(atomic<T>* a, memory_order order = memory_order::relaxed)
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{
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return __atomic_fetch_add(&a->m_value, 1, static_cast<int>(order));
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}
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template<typename T>
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inline T atomic_fetch_decrement(atomic<T>* a, memory_order order = memory_order::relaxed)
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{
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return __atomic_fetch_sub(&a->m_value, 1, static_cast<int>(order));
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}
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} // namespace asl
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