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libostd/octa/atomic.h

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/* Atomics for OctaSTD. Supports GCC/Clang and possibly MSVC.
*
* This file is part of OctaSTD. See COPYING.md for futher information.
*/
#ifndef OCTA_ATOMIC_H
#define OCTA_ATOMIC_H
#include <stdint.h>
#include <stddef.h>
#include "octa/types.h"
#include "octa/type_traits.h"
namespace octa {
enum class MemoryOrder {
relaxed = 0,
consume,
acquire,
release,
acq_rel,
seq_cst
};
template<typename _T>
struct __OctaAtomicBase {
__OctaAtomicBase() {}
explicit __OctaAtomicBase(_T __v): __value(__v) {}
_T __value;
};
template<typename _T> _T __octa_atomic_create();
template<typename _T, typename _U>
EnableIf<sizeof(_T()->value = __octa_atomic_create<_U>()), char>
__octa_test_atomic_assignable(int);
template<typename _T, typename _U>
int __octa_test_atomic_assignable(...);
template<typename _T, typename _U>
struct __OctaCanAtomicAssign {
static constexpr bool value
= (sizeof(__octa_test_atomic_assignable<_T, _U>(1)) == sizeof(char));
};
template<typename _T>
static inline EnableIf<
__OctaCanAtomicAssign<volatile __OctaAtomicBase<_T> *, _T>::value
> __octa_atomic_init(volatile __OctaAtomicBase<_T> *__a, _T __v) {
__a->__value = __v;
}
template<typename _T>
static inline EnableIf<
!__OctaCanAtomicAssign<volatile __OctaAtomicBase<_T> *, _T>::value &&
__OctaCanAtomicAssign< __OctaAtomicBase<_T> *, _T>::value
> __octa_atomic_init(volatile __OctaAtomicBase<_T> *__a, _T __v) {
volatile char *__to = (volatile char *)(&__a->__value);
volatile char *__end = __to + sizeof(_T);
char *__from = (char *)(&__v);
while (__to != __end) *__to++ =*__from++;
}
template<typename _T>
static inline void __octa_atomic_init(__OctaAtomicBase<_T> *__a, _T __v) {
__a->__value = __v;
}
/* GCC, Clang support
*
* libc++ used for reference
*/
#ifdef __GNUC__
#define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE
#define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE
#define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE
#define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE
#define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE
#define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE
#define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE
#define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE
#define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE
#define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE
static inline constexpr int __octa_to_gcc_order(MemoryOrder __ord) {
return ((__ord == MemoryOrder::relaxed) ? __ATOMIC_RELAXED :
((__ord == MemoryOrder::acquire) ? __ATOMIC_ACQUIRE :
((__ord == MemoryOrder::release) ? __ATOMIC_RELEASE :
((__ord == MemoryOrder::seq_cst) ? __ATOMIC_SEQ_CST :
((__ord == MemoryOrder::acq_rel) ? __ATOMIC_ACQ_REL :
__ATOMIC_CONSUME)))));
}
static inline constexpr int __octa_to_gcc_failure_order(MemoryOrder __ord) {
return ((__ord == MemoryOrder::relaxed) ? __ATOMIC_RELAXED :
((__ord == MemoryOrder::acquire) ? __ATOMIC_ACQUIRE :
((__ord == MemoryOrder::release) ? __ATOMIC_RELAXED :
((__ord == MemoryOrder::seq_cst) ? __ATOMIC_SEQ_CST :
((__ord == MemoryOrder::acq_rel) ? __ATOMIC_ACQUIRE :
__ATOMIC_CONSUME)))));
}
static inline void __octa_atomic_thread_fence(MemoryOrder __ord) {
__atomic_thread_fence(__octa_to_gcc_order(__ord));
}
static inline void __octa_atomic_signal_fence(MemoryOrder __ord) {
__atomic_signal_fence(__octa_to_gcc_order(__ord));
}
static inline bool __octa_atomic_is_lock_free(size_t __size) {
/* return __atomic_is_lock_free(size, 0); cannot be used on some platforms */
return __size <= sizeof(void *);
}
template<typename _T>
static inline void __octa_atomic_store(volatile __OctaAtomicBase<_T> *__a,
_T __v, MemoryOrder __ord) {
__atomic_store(&__a->__value, &__v, __octa_to_gcc_order(__ord));
}
template<typename _T>
static inline void __octa_atomic_store(__OctaAtomicBase<_T> *__a,
_T __v, MemoryOrder __ord) {
__atomic_store(&__a->__value, &__v, __octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_load(volatile __OctaAtomicBase<_T> *__a,
MemoryOrder __ord) {
_T __r;
__atomic_load(&__a->__value, &__r, __octa_to_gcc_order(__ord));
return __r;
}
template<typename _T>
static inline _T __octa_atomic_load(__OctaAtomicBase<_T> *__a,
MemoryOrder __ord) {
_T __r;
__atomic_load(&__a->__value, &__r, __octa_to_gcc_order(__ord));
return __r;
}
template<typename _T>
static inline _T __octa_atomic_exchange(volatile __OctaAtomicBase<_T> *__a,
_T __v, MemoryOrder __ord) {
_T __r;
__atomic_exchange(&__a->__value, &__v, &__r, __octa_to_gcc_order(__ord));
return __r;
}
template<typename _T>
static inline _T __octa_atomic_exchange(__OctaAtomicBase<_T> *__a,
_T __v, MemoryOrder __ord) {
_T __r;
__atomic_exchange(&__a->__value, &__v, &__r, __octa_to_gcc_order(__ord));
return __r;
}
template<typename _T>
static inline bool __octa_atomic_compare_exchange_strong(
volatile __OctaAtomicBase<_T> *__a, _T *__expected, _T __v,
MemoryOrder __success, MemoryOrder __failure
) {
return __atomic_compare_exchange(&__a->__value, __expected, &__v, false,
__octa_to_gcc_order(__success), __octa_to_gcc_failure_order(__failure));
}
template<typename _T>
static inline bool __octa_atomic_compare_exchange_strong(
__OctaAtomicBase<_T> *__a, _T *__expected, _T __v,
MemoryOrder __success, MemoryOrder __failure
) {
return __atomic_compare_exchange(&__a->__value, __expected, &__v, false,
__octa_to_gcc_order(__success), __octa_to_gcc_failure_order(__failure));
}
template<typename _T>
static inline bool __octa_atomic_compare_exchange_weak(
volatile __OctaAtomicBase<_T> *__a, _T *__expected, _T __v,
MemoryOrder __success, MemoryOrder __failure
) {
return __atomic_compare_exchange(&__a->__value, __expected, &__v, true,
__octa_to_gcc_order(__success), __octa_to_gcc_failure_order(__failure));
}
template<typename _T>
static inline bool __octa_atomic_compare_exchange_weak(
__OctaAtomicBase<_T> *__a, _T *__expected, _T __v,
MemoryOrder __success, MemoryOrder __failure
) {
return __atomic_compare_exchange(&__a->__value, __expected, &__v, true,
__octa_to_gcc_order(__success), __octa_to_gcc_failure_order(__failure));
}
template<typename _T>
struct __OctaSkipAmt { static constexpr size_t value = 1; };
template<typename _T>
struct __OctaSkipAmt<_T *> { static constexpr size_t value = sizeof(_T); };
template<typename _T> struct __OctaSkipAmt<_T[]> {};
template<typename _T, size_t _N> struct __OctaSkipAmt<_T[_N]> {};
template<typename _T, typename _U>
static inline _T __octa_atomic_fetch_add(volatile __OctaAtomicBase<_T> *__a,
_U __d, MemoryOrder __ord) {
return __atomic_fetch_add(&__a->__value, __d * __OctaSkipAmt<_T>::value,
__octa_to_gcc_order(__ord));
}
template<typename _T, typename _U>
static inline _T __octa_atomic_fetch_add(__OctaAtomicBase<_T> *__a,
_U __d, MemoryOrder __ord) {
return __atomic_fetch_add(&__a->__value, __d * __OctaSkipAmt<_T>::value,
__octa_to_gcc_order(__ord));
}
template<typename _T, typename _U>
static inline _T __octa_atomic_fetch_sub(volatile __OctaAtomicBase<_T> *__a,
_U __d, MemoryOrder __ord) {
return __atomic_fetch_sub(&__a->__value, __d * __OctaSkipAmt<_T>::value,
__octa_to_gcc_order(__ord));
}
template<typename _T, typename _U>
static inline _T __octa_atomic_fetch_sub(__OctaAtomicBase<_T> *__a,
_U __d, MemoryOrder __ord) {
return __atomic_fetch_sub(&__a->__value, __d * __OctaSkipAmt<_T>::value,
__octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_fetch_and(volatile __OctaAtomicBase<_T> *__a,
_T __pattern, MemoryOrder __ord) {
return __atomic_fetch_and(&__a->__value, __pattern,
__octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_fetch_and(__OctaAtomicBase<_T> *__a,
_T __pattern, MemoryOrder __ord) {
return __atomic_fetch_and(&__a->__value, __pattern,
__octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_fetch_or(volatile __OctaAtomicBase<_T> *__a,
_T __pattern, MemoryOrder __ord) {
return __atomic_fetch_or(&__a->__value, __pattern,
__octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_fetch_or(__OctaAtomicBase<_T> *__a,
_T __pattern, MemoryOrder __ord) {
return __atomic_fetch_or(&__a->__value, __pattern,
__octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_fetch_xor(volatile __OctaAtomicBase<_T> *__a,
_T __pattern, MemoryOrder __ord) {
return __atomic_fetch_xor(&__a->__value, __pattern,
__octa_to_gcc_order(__ord));
}
template<typename _T>
static inline _T __octa_atomic_fetch_xor(__OctaAtomicBase<_T> *__a,
_T __pattern, MemoryOrder __ord) {
return __atomic_fetch_xor(&__a->__value, __pattern,
__octa_to_gcc_order(__ord));
}
#else
# error Unsupported compiler
#endif
template <typename _T> inline _T kill_dependency(_T __v) {
return __v;
}
template<typename _T, bool = octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value>
struct __OctaAtomic {
mutable __OctaAtomicBase<_T> __a;
__OctaAtomic() = default;
constexpr __OctaAtomic(_T __v): __a(__v) {}
__OctaAtomic(const __OctaAtomic &) = delete;
__OctaAtomic &operator=(const __OctaAtomic &) = delete;
__OctaAtomic &operator=(const __OctaAtomic &) volatile = delete;
bool is_lock_free() const volatile {
return __octa_atomic_is_lock_free(sizeof(_T));
}
bool is_lock_free() const {
return __octa_atomic_is_lock_free(sizeof(_T));
}
void store(_T __v, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
__octa_atomic_store(&__a, __v, __ord);
}
void store(_T __v, MemoryOrder __ord = MemoryOrder::seq_cst) {
__octa_atomic_store(&__a, __v, __ord);
}
_T load(MemoryOrder __ord = MemoryOrder::seq_cst) const volatile {
return __octa_atomic_load(&__a, __ord);
}
_T load(MemoryOrder __ord = MemoryOrder::seq_cst) const {
return __octa_atomic_load(&__a, __ord);
}
operator _T() const volatile { return load(); }
operator _T() const { return load(); }
_T exchange(_T __v, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_exchange(&__a, __v, __ord);
}
_T exchange(_T __v, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_exchange(&__a, __v, __ord);
}
bool compare_exchange_weak(_T &__e, _T __v, MemoryOrder __s,
MemoryOrder __f) volatile {
return __octa_atomic_compare_exchange_weak(&__a, &__e, __v,
__s, __f);
}
bool compare_exchange_weak(_T &__e, _T __v, MemoryOrder __s,
MemoryOrder __f) {
return __octa_atomic_compare_exchange_weak(&__a, &__e, __v,
__s, __f);
}
bool compare_exchange_strong(_T &__e, _T __v, MemoryOrder __s,
MemoryOrder __f) volatile {
return __octa_atomic_compare_exchange_strong(&__a, &__e, __v,
__s, __f);
}
bool compare_exchange_strong(_T &__e, _T __v, MemoryOrder __s,
MemoryOrder __f) {
return __octa_atomic_compare_exchange_strong(&__a, &__e, __v,
__s, __f);
}
bool compare_exchange_weak(_T &__e, _T __v, MemoryOrder __ord
= MemoryOrder::seq_cst)
volatile {
return __octa_atomic_compare_exchange_weak(&__a, &__e, __v,
__ord, __ord);
}
bool compare_exchange_weak(_T &__e, _T __v, MemoryOrder __ord
= MemoryOrder::seq_cst) {
return __octa_atomic_compare_exchange_weak(&__a, &__e, __v,
__ord, __ord);
}
bool compare_exchange_strong(_T &__e, _T __v, MemoryOrder __ord
= MemoryOrder::seq_cst)
volatile {
return __octa_atomic_compare_exchange_strong(&__a, &__e,
__v, __ord, __ord);
}
bool compare_exchange_strong(_T &__e, _T __v, MemoryOrder __ord
= MemoryOrder::seq_cst) {
return __octa_atomic_compare_exchange_strong(&__a, &__e, __v,
__ord, __ord);
}
};
template<typename _T>
struct __OctaAtomic<_T, true>: __OctaAtomic<_T, false> {
typedef __OctaAtomic<_T, false> _base_t;
__OctaAtomic() = default;
constexpr __OctaAtomic(_T __v): _base_t(__v) {}
_T fetch_add(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_fetch_add(&this->__a, __op, __ord);
}
_T fetch_add(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_add(&this->__a, __op, __ord);
}
_T fetch_sub(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_fetch_sub(&this->__a, __op, __ord);
}
_T fetch_sub(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_sub(&this->__a, __op, __ord);
}
_T fetch_and(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_fetch_and(&this->__a, __op, __ord);
}
_T fetch_and(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_and(&this->__a, __op, __ord);
}
_T fetch_or(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_fetch_or(&this->__a, __op, __ord);
}
_T fetch_or(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_or(&this->__a, __op, __ord);
}
_T fetch_xor(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_fetch_xor(&this->__a, __op, __ord);
}
_T fetch_xor(_T __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_xor(&this->__a, __op, __ord);
}
_T operator++(int) volatile { return fetch_add(_T(1)); }
_T operator++(int) { return fetch_add(_T(1)); }
_T operator--(int) volatile { return fetch_sub(_T(1)); }
_T operator--(int) { return fetch_sub(_T(1)); }
_T operator++( ) volatile { return fetch_add(_T(1)) + _T(1); }
_T operator++( ) { return fetch_add(_T(1)) + _T(1); }
_T operator--( ) volatile { return fetch_sub(_T(1)) - _T(1); }
_T operator--( ) { return fetch_sub(_T(1)) - _T(1); }
_T operator+=(_T __op) volatile { return fetch_add(__op) + __op; }
_T operator+=(_T __op) { return fetch_add(__op) + __op; }
_T operator-=(_T __op) volatile { return fetch_sub(__op) - __op; }
_T operator-=(_T __op) { return fetch_sub(__op) - __op; }
_T operator&=(_T __op) volatile { return fetch_and(__op) & __op; }
_T operator&=(_T __op) { return fetch_and(__op) & __op; }
_T operator|=(_T __op) volatile { return fetch_or (__op) | __op; }
_T operator|=(_T __op) { return fetch_or (__op) | __op; }
_T operator^=(_T __op) volatile { return fetch_xor(__op) ^ __op; }
_T operator^=(_T __op) { return fetch_xor(__op) ^ __op; }
};
template<typename _T>
struct Atomic: __OctaAtomic<_T> {
typedef __OctaAtomic<_T> _base_t;
Atomic() = default;
constexpr Atomic(_T __v): _base_t(__v) {}
_T operator=(_T __v) volatile {
_base_t::store(__v); return __v;
}
_T operator=(_T __v) {
_base_t::store(__v); return __v;
}
};
template<typename _T>
struct Atomic<_T *>: __OctaAtomic<_T *> {
typedef __OctaAtomic<_T *> _base_t;
Atomic() = default;
constexpr Atomic(_T *__v): _base_t(__v) {}
_T *operator=(_T *__v) volatile {
_base_t::store(__v); return __v;
}
_T *operator=(_T *__v) {
_base_t::store(__v); return __v;
}
_T *fetch_add(ptrdiff_t __op, MemoryOrder __ord = MemoryOrder::seq_cst)
volatile {
return __octa_atomic_fetch_add(&this->__a, __op, __ord);
}
_T *fetch_add(ptrdiff_t __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_add(&this->__a, __op, __ord);
}
_T *fetch_sub(ptrdiff_t __op, MemoryOrder __ord = MemoryOrder::seq_cst)
volatile {
return __octa_atomic_fetch_sub(&this->__a, __op, __ord);
}
_T *fetch_sub(ptrdiff_t __op, MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_fetch_sub(&this->__a, __op, __ord);
}
_T *operator++(int) volatile { return fetch_add(1); }
_T *operator++(int) { return fetch_add(1); }
_T *operator--(int) volatile { return fetch_sub(1); }
_T *operator--(int) { return fetch_sub(1); }
_T *operator++( ) volatile { return fetch_add(1) + 1; }
_T *operator++( ) { return fetch_add(1) + 1; }
_T *operator--( ) volatile { return fetch_sub(1) - 1; }
_T *operator--( ) { return fetch_sub(1) - 1; }
_T *operator+=(ptrdiff_t __op) volatile { return fetch_add(__op) + __op; }
_T *operator+=(ptrdiff_t __op) { return fetch_add(__op) + __op; }
_T *operator-=(ptrdiff_t __op) volatile { return fetch_sub(__op) - __op; }
_T *operator-=(ptrdiff_t __op) { return fetch_sub(__op) - __op; }
};
template<typename _T>
inline bool atomic_is_lock_free(const volatile Atomic<_T> *__a) {
return __a->is_lock_free();
}
template<typename _T>
inline bool atomic_is_lock_free(const Atomic<_T> *__a) {
return __a->is_lock_free();
}
template<typename _T>
inline void atomic_init(volatile Atomic<_T> *__a, _T __v) {
__octa_atomic_init(&__a->__a, __v);
}
template<typename _T>
inline void atomic_init(Atomic<_T> *__a, _T __v) {
__octa_atomic_init(&__a->__a, __v);
}
template <typename _T>
inline void atomic_store(volatile Atomic<_T> *__a, _T __v) {
__a->store(__v);
}
template <typename _T>
inline void atomic_store(Atomic<_T> *__a, _T __v) {
__a->store(__v);
}
template <typename _T>
inline void atomic_store_explicit(volatile Atomic<_T> *__a, _T __v,
MemoryOrder __ord) {
__a->store(__v, __ord);
}
template <typename _T>
inline void atomic_store_explicit(Atomic<_T> *__a, _T __v,
MemoryOrder __ord) {
__a->store(__v, __ord);
}
template <typename _T>
inline _T atomic_load(const volatile Atomic<_T> *__a) {
return __a->load();
}
template <typename _T>
inline _T atomic_load(const Atomic<_T> *__a) {
return __a->load();
}
template <typename _T>
inline _T atomic_load_explicit(const volatile Atomic<_T> *__a,
MemoryOrder __ord) {
return __a->load(__ord);
}
template <typename _T>
inline _T atomic_load_explicit(const Atomic<_T> *__a, MemoryOrder __ord) {
return __a->load(__ord);
}
template <typename _T>
inline _T atomic_exchange(volatile Atomic<_T> *__a, _T __v) {
return __a->exchange(__v);
}
template <typename _T>
inline _T atomic_exchange(Atomic<_T> *__a, _T __v) {
return __a->exchange(__v);
}
template <typename _T>
inline _T atomic_exchange_explicit(volatile Atomic<_T> *__a, _T __v,
MemoryOrder __ord) {
return __a->exchange(__v, __ord);
}
template <typename _T>
inline _T atomic_exchange_explicit(Atomic<_T> *__a, _T __v,
MemoryOrder __ord) {
return __a->exchange(__v, __ord);
}
template <typename _T>
inline bool atomic_compare_exchange_weak(volatile Atomic<_T> *__a,
_T *__e, _T __v) {
return __a->compare_exchange_weak(*__e, __v);
}
template <typename _T>
inline bool atomic_compare_exchange_weak(Atomic<_T> *__a, _T *__e, _T __v) {
return __a->compare_exchange_weak(*__e, __v);
}
template <typename _T>
inline bool atomic_compare_exchange_strong(volatile Atomic<_T> *__a,
_T *__e, _T __v) {
return __a->compare_exchange_strong(*__e, __v);
}
template <typename _T>
inline bool atomic_compare_exchange_strong(Atomic<_T> *__a, _T *__e, _T __v) {
return __a->compare_exchange_strong(*__e, __v);
}
template <typename _T>
inline bool atomic_compare_exchange_weak_explicit(volatile Atomic<_T> *__a,
_T *__e, _T __v,
MemoryOrder __s,
MemoryOrder __f) {
return __a->compare_exchange_weak(*__e, __v, __s, __f);
}
template <typename _T>
inline bool atomic_compare_exchange_weak_explicit(Atomic<_T> *__a, _T *__e,
_T __v,
MemoryOrder __s,
MemoryOrder __f) {
return __a->compare_exchange_weak(*__e, __v, __s, __f);
}
template <typename _T>
inline bool atomic_compare_exchange_strong_explicit(volatile Atomic<_T> *__a,
_T *__e, _T __v,
MemoryOrder __s,
MemoryOrder __f) {
return __a->compare_exchange_strong(*__e, __v, __s, __f);
}
template <typename _T>
inline bool atomic_compare_exchange_strong_explicit(Atomic<_T> *__a, _T *__e,
_T __v,
MemoryOrder __s,
MemoryOrder __f) {
return __a->compare_exchange_strong(*__e, __v, __s, __f);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_add(volatile Atomic<_T> *__a, _T __op) {
return __a->fetch_add(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_add(Atomic<_T> *__a, _T __op) {
return __a->fetch_add(__op);
}
template <typename _T>
inline _T *atomic_fetch_add(volatile Atomic<_T *> *__a, ptrdiff_t __op) {
return __a->fetch_add(__op);
}
template <typename _T>
inline _T *atomic_fetch_add(Atomic<_T *> *__a, ptrdiff_t __op) {
return __a->fetch_add(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_add_explicit(volatile Atomic<_T> *__a, _T __op,
MemoryOrder __ord) {
return __a->fetch_add(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_add_explicit(Atomic<_T> *__a, _T __op, MemoryOrder __ord) {
return __a->fetch_add(__op, __ord);
}
template <typename _T>
inline _T *atomic_fetch_add_explicit(volatile Atomic<_T *> *__a,
ptrdiff_t __op,
MemoryOrder __ord) {
return __a->fetch_add(__op, __ord);
}
template <typename _T>
inline _T *atomic_fetch_add_explicit(Atomic<_T *> *__a, ptrdiff_t __op,
MemoryOrder __ord) {
return __a->fetch_add(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_sub(volatile Atomic<_T> *__a, _T __op) {
return __a->fetch_sub(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_sub(Atomic<_T> *__a, _T __op) {
return __a->fetch_sub(__op);
}
template <typename _T>
inline _T *atomic_fetch_sub(volatile Atomic<_T *> *__a, ptrdiff_t __op) {
return __a->fetch_sub(__op);
}
template <typename _T>
inline _T *atomic_fetch_sub(Atomic<_T *> *__a, ptrdiff_t __op) {
return __a->fetch_sub(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_sub_explicit(volatile Atomic<_T> *__a, _T __op,
MemoryOrder __ord) {
return __a->fetch_sub(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_sub_explicit(Atomic<_T> *__a, _T __op, MemoryOrder __ord) {
return __a->fetch_sub(__op, __ord);
}
template <typename _T>
inline _T *atomic_fetch_sub_explicit(volatile Atomic<_T *> *__a,
ptrdiff_t __op,
MemoryOrder __ord) {
return __a->fetch_sub(__op, __ord);
}
template <typename _T>
inline _T *atomic_fetch_sub_explicit(Atomic<_T *> *__a, ptrdiff_t __op,
MemoryOrder __ord) {
return __a->fetch_sub(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_and(volatile Atomic<_T> *__a, _T __op) {
return __a->fetch_and(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_and(Atomic<_T> *__a, _T __op) {
return __a->fetch_and(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_and_explicit(volatile Atomic<_T> *__a, _T __op,
MemoryOrder __ord) {
return __a->fetch_and(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_and_explicit(Atomic<_T> *__a, _T __op, MemoryOrder __ord) {
return __a->fetch_and(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_or(volatile Atomic<_T> *__a, _T __op) {
return __a->fetch_or(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_or(Atomic<_T> *__a, _T __op) {
return __a->fetch_or(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_or_explicit(volatile Atomic<_T> *__a, _T __op,
MemoryOrder __ord) {
return __a->fetch_or(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_or_explicit(Atomic<_T> *__a, _T __op, MemoryOrder __ord) {
return __a->fetch_or(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_xor(volatile Atomic<_T> *__a, _T __op) {
return __a->fetch_xor(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_xor(Atomic<_T> *__a, _T __op) {
return __a->fetch_xor(__op);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_xor_explicit(volatile Atomic<_T> *__a, _T __op,
MemoryOrder __ord) {
return __a->fetch_xor(__op, __ord);
}
template <typename _T>
inline octa::EnableIf<octa::IsIntegral<_T>::value &&
!octa::IsSame<_T, bool>::value, _T>
atomic_fetch_xor_explicit(Atomic<_T> *__a, _T __op, MemoryOrder __ord) {
return __a->fetch_xor(__op, __ord);
}
struct AtomicFlag {
__OctaAtomicBase<bool> __a;
AtomicFlag() = default;
AtomicFlag(bool __b): __a(__b) {}
AtomicFlag(const AtomicFlag &) = delete;
AtomicFlag &operator=(const AtomicFlag &) = delete;
AtomicFlag &operator=(const AtomicFlag &) volatile = delete;
bool test_and_set(MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
return __octa_atomic_exchange(&__a, true, __ord);
}
bool test_and_set(MemoryOrder __ord = MemoryOrder::seq_cst) {
return __octa_atomic_exchange(&__a, true, __ord);
}
void clear(MemoryOrder __ord = MemoryOrder::seq_cst) volatile {
__octa_atomic_store(&__a, false, __ord);
}
void clear(MemoryOrder __ord = MemoryOrder::seq_cst) {
__octa_atomic_store(&__a, false, __ord);
}
};
inline bool atomic_flag_test_and_set(volatile AtomicFlag *__a) {
return __a->test_and_set();
}
inline bool atomic_flag_test_and_set(AtomicFlag *__a) {
return __a->test_and_set();
}
inline bool atomic_flag_test_and_set_explicit(volatile AtomicFlag *__a,
MemoryOrder __ord) {
return __a->test_and_set(__ord);
}
inline bool atomic_flag_test_and_set_explicit(AtomicFlag *__a,
MemoryOrder __ord) {
return __a->test_and_set(__ord);
}
inline void atomic_flag_clear(volatile AtomicFlag *__a) {
__a->clear();
}
inline void atomic_flag_clear(AtomicFlag *__a) {
__a->clear();
}
inline void atomic_flag_clear_explicit(volatile AtomicFlag *__a,
MemoryOrder __ord) {
__a->clear(__ord);
}
inline void atomic_flag_clear_explicit(AtomicFlag *__a, MemoryOrder __ord) {
__a->clear(__ord);
}
inline void atomic_thread_fence(MemoryOrder __ord) {
__octa_atomic_thread_fence(__ord);
}
inline void atomic_signal_fence(MemoryOrder __ord) {
__octa_atomic_signal_fence(__ord);
}
typedef Atomic<bool > AtomicBool;
typedef Atomic<char > AtomicChar;
typedef Atomic<schar > AtomicSchar;
typedef Atomic<uchar > AtomicUchar;
typedef Atomic<short > AtomicShort;
typedef Atomic<ushort> AtomicUshort;
typedef Atomic<int > AtomicInt;
typedef Atomic<uint > AtomicUint;
typedef Atomic<long > AtomicLong;
typedef Atomic<ulong > AtomicUlong;
typedef Atomic<llong > AtomicLlong;
typedef Atomic<ullong> AtomicUllong;
typedef Atomic<char16_t> AtomicChar16;
typedef Atomic<char32_t> AtomicChar32;
typedef Atomic< wchar_t> AtomicWchar;
typedef Atomic< intptr_t> AtomicIntptr;
typedef Atomic<uintptr_t> AtomicUintptr;
typedef Atomic< size_t> AtomicSize;
typedef Atomic<ptrdiff_t> AtomicPtrdiff;
#define ATOMIC_FLAG_INIT {false}
#define ATOMIC_VAR_INIT(__v) {__v}
}
#endif
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