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author | Andreas Kling <awesomekling@gmail.com> | 2020-01-12 18:44:51 +0100 |
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committer | Andreas Kling <awesomekling@gmail.com> | 2020-01-12 18:45:13 +0100 |
commit | 61e6b1fb7c2770a2b5b56cbff5217adf8c2c4ee8 (patch) | |
tree | b06bf5cf470165c16debe931f8359feb4614fc9d | |
parent | f3eb06a46fbbeffc131878eecc175ea9485402e9 (diff) | |
download | serenity-61e6b1fb7c2770a2b5b56cbff5217adf8c2c4ee8.zip |
AK: Run clang-format on Atomic.h
Also use <AK/Types.h> instead of <stddef.h>
-rw-r--r-- | AK/Atomic.h | 442 |
1 files changed, 218 insertions, 224 deletions
diff --git a/AK/Atomic.h b/AK/Atomic.h index 5c53e23449..b2fd14cac3 100644 --- a/AK/Atomic.h +++ b/AK/Atomic.h @@ -1,240 +1,234 @@ #pragma once -#ifndef KERNEL -#include <stddef.h> -#endif +#include <AK/Types.h> namespace AK { -enum MemoryOrder -{ - memory_order_relaxed = __ATOMIC_RELAXED, - memory_order_consume = __ATOMIC_CONSUME, - memory_order_acquire = __ATOMIC_ACQUIRE, - memory_order_release = __ATOMIC_RELEASE, - memory_order_acq_rel = __ATOMIC_ACQ_REL, - memory_order_seq_cst = __ATOMIC_SEQ_CST +enum MemoryOrder { + memory_order_relaxed = __ATOMIC_RELAXED, + memory_order_consume = __ATOMIC_CONSUME, + memory_order_acquire = __ATOMIC_ACQUIRE, + memory_order_release = __ATOMIC_RELEASE, + memory_order_acq_rel = __ATOMIC_ACQ_REL, + memory_order_seq_cst = __ATOMIC_SEQ_CST }; -template <typename T> -class Atomic -{ - T m_value { 0 }; +template<typename T> +class Atomic { + T m_value { 0 }; public: - Atomic() noexcept = default; - Atomic(const Atomic&) = delete; - Atomic& operator=(const Atomic&) volatile = delete; - - Atomic(T val) noexcept: - m_value(val) - { - } - - T exchange(T desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_exchange_n(&m_value, desired, order); - } - - bool compare_exchange_strong(T& expected, T desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - if (order == memory_order_acq_rel || order == memory_order_release) - return __atomic_compare_exchange_n(&m_value, &expected, desired, false, memory_order_release, memory_order_acquire); - else - return __atomic_compare_exchange_n(&m_value, &expected, desired, false, order, order); - } - - T operator++() volatile noexcept - { - return fetch_add(1) + 1; - } - - T operator++(int) volatile noexcept - { - return fetch_add(1); - } - - T operator+=(T val) volatile noexcept - { - return fetch_add(val) + val; - } - - T fetch_add(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_add(&m_value, val, order); - } - - T operator--() volatile noexcept - { - return fetch_sub(1) - 1; - } - - T operator--(int) volatile noexcept - { - return fetch_sub(1); - } - - T operator-=(T val) volatile noexcept - { - return fetch_sub(val) - val; - } - - T fetch_sub(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_sub(&m_value, val, order); - } - - T operator&=(T val) volatile noexcept - { - return fetch_and(val) & val; - } - - T fetch_and(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_and(&m_value, val, order); - } - - T operator|=(T val) volatile noexcept - { - return fetch_or(val) | val; - } - - T fetch_or(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_or(&m_value, val, order); - } - - T operator^=(T val) volatile noexcept - { - return fetch_xor(val) ^ val; - } - - T fetch_xor(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_xor(&m_value, val, order); - } - - operator T() const volatile noexcept - { - return load(); - } - - T load(MemoryOrder order = memory_order_seq_cst) const volatile noexcept - { - return __atomic_load_n(&m_value, order); - } - - T operator=(T desired) volatile noexcept - { - store(desired); - return desired; - } - - void store(T desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - __atomic_store_n(&m_value, desired, order); - } - - bool is_lock_free() const volatile noexcept - { - return __atomic_is_lock_free(sizeof(m_value), &m_value); - } -}; + Atomic() noexcept = default; + Atomic(const Atomic&) = delete; + Atomic& operator=(const Atomic&) volatile = delete; + + Atomic(T val) noexcept + : m_value(val) + { + } + + T exchange(T desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_exchange_n(&m_value, desired, order); + } + + bool compare_exchange_strong(T& expected, T desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + if (order == memory_order_acq_rel || order == memory_order_release) + return __atomic_compare_exchange_n(&m_value, &expected, desired, false, memory_order_release, memory_order_acquire); + else + return __atomic_compare_exchange_n(&m_value, &expected, desired, false, order, order); + } + + T operator++() volatile noexcept + { + return fetch_add(1) + 1; + } + + T operator++(int) volatile noexcept + { + return fetch_add(1); + } + + T operator+=(T val) volatile noexcept + { + return fetch_add(val) + val; + } + + T fetch_add(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_add(&m_value, val, order); + } + + T operator--() volatile noexcept + { + return fetch_sub(1) - 1; + } + + T operator--(int) volatile noexcept + { + return fetch_sub(1); + } + + T operator-=(T val) volatile noexcept + { + return fetch_sub(val) - val; + } + + T fetch_sub(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_sub(&m_value, val, order); + } + + T operator&=(T val) volatile noexcept + { + return fetch_and(val) & val; + } + + T fetch_and(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_and(&m_value, val, order); + } + + T operator|=(T val) volatile noexcept + { + return fetch_or(val) | val; + } + + T fetch_or(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_or(&m_value, val, order); + } + + T operator^=(T val) volatile noexcept + { + return fetch_xor(val) ^ val; + } + + T fetch_xor(T val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_xor(&m_value, val, order); + } + + operator T() const volatile noexcept + { + return load(); + } + + T load(MemoryOrder order = memory_order_seq_cst) const volatile noexcept + { + return __atomic_load_n(&m_value, order); + } + T operator=(T desired) volatile noexcept + { + store(desired); + return desired; + } -template <typename T> -class Atomic<T*> -{ - T* m_value { nullptr }; + void store(T desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + __atomic_store_n(&m_value, desired, order); + } + + bool is_lock_free() const volatile noexcept + { + return __atomic_is_lock_free(sizeof(m_value), &m_value); + } +}; + +template<typename T> +class Atomic<T*> { + T* m_value { nullptr }; public: - Atomic() noexcept = default; - Atomic(const Atomic&) = delete; - Atomic& operator=(const Atomic&) volatile = delete; - - Atomic(T* val) noexcept: - m_value(val) - { - } - - T* exchange(T* desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_exchange_n(&m_value, desired, order); - } - - bool compare_exchange_strong(T*& expected, T* desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - if (order == memory_order_acq_rel || order == memory_order_release) - return __atomic_compare_exchange_n(&m_value, &expected, desired, false, memory_order_release, memory_order_acquire); - else - return __atomic_compare_exchange_n(&m_value, &expected, desired, false, order, order); - } - - T* operator++() volatile noexcept - { - return fetch_add(1) + 1; - } - - T* operator++(int) volatile noexcept - { - return fetch_add(1); - } - - T* operator+=(ptrdiff_t val) volatile noexcept - { - return fetch_add(val) + val; - } - - T* fetch_add(ptrdiff_t val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_add(&m_value, val * sizeof(*m_value), order); - } - - T* operator--() volatile noexcept - { - return fetch_sub(1) - 1; - } - - T* operator--(int) volatile noexcept - { - return fetch_sub(1); - } - - T* operator-=(ptrdiff_t val) volatile noexcept - { - return fetch_sub(val) - val; - } - - T* fetch_sub(ptrdiff_t val, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - return __atomic_fetch_sub(&m_value, val * sizeof(*m_value), order); - } - - operator T*() const volatile noexcept - { - return load(); - } - - T* load(MemoryOrder order = memory_order_seq_cst) const volatile noexcept - { - return __atomic_load_n(&m_value, order); - } - - T* operator=(T* desired) volatile noexcept - { - store(desired); - return desired; - } - - void store(T* desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept - { - __atomic_store_n(&m_value, desired, order); - } - - bool is_lock_free() const volatile noexcept - { - return __atomic_is_lock_free(sizeof(m_value), &m_value); - } + Atomic() noexcept = default; + Atomic(const Atomic&) = delete; + Atomic& operator=(const Atomic&) volatile = delete; + + Atomic(T* val) noexcept + : m_value(val) + { + } + + T* exchange(T* desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_exchange_n(&m_value, desired, order); + } + + bool compare_exchange_strong(T*& expected, T* desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + if (order == memory_order_acq_rel || order == memory_order_release) + return __atomic_compare_exchange_n(&m_value, &expected, desired, false, memory_order_release, memory_order_acquire); + else + return __atomic_compare_exchange_n(&m_value, &expected, desired, false, order, order); + } + + T* operator++() volatile noexcept + { + return fetch_add(1) + 1; + } + + T* operator++(int) volatile noexcept + { + return fetch_add(1); + } + + T* operator+=(ptrdiff_t val) volatile noexcept + { + return fetch_add(val) + val; + } + + T* fetch_add(ptrdiff_t val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_add(&m_value, val * sizeof(*m_value), order); + } + + T* operator--() volatile noexcept + { + return fetch_sub(1) - 1; + } + + T* operator--(int) volatile noexcept + { + return fetch_sub(1); + } + + T* operator-=(ptrdiff_t val) volatile noexcept + { + return fetch_sub(val) - val; + } + + T* fetch_sub(ptrdiff_t val, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + return __atomic_fetch_sub(&m_value, val * sizeof(*m_value), order); + } + + operator T*() const volatile noexcept + { + return load(); + } + + T* load(MemoryOrder order = memory_order_seq_cst) const volatile noexcept + { + return __atomic_load_n(&m_value, order); + } + + T* operator=(T* desired) volatile noexcept + { + store(desired); + return desired; + } + + void store(T* desired, MemoryOrder order = memory_order_seq_cst) volatile noexcept + { + __atomic_store_n(&m_value, desired, order); + } + + bool is_lock_free() const volatile noexcept + { + return __atomic_is_lock_free(sizeof(m_value), &m_value); + } }; } |