atomic_load_explicit 以原子方式加载并返回指向的原子变量的当前值obj。该操作是原子读取操作。 第一个版本根据命令对内存进行访问memory_order_seq_cst,第二个版本根据内存访问内存访问order。order必须是一个memory_order_relaxed,memory_order_consume,memory_order_acquire或memory_order_seq_cst。否则,行为是不确定...
擷取預存的值,在atomic藉由套用指定的物件, memory_order。複製 template <class Ty> inline Ty atomic_load_explicit( const volatile atomic<Ty> *Atom, memory_order Order ) _NOEXCEPT; template <class Ty> inline Ty atomic_load_explicit( const atomic<Ty> *Atom, memory_order Order ) _NOEXCEPT; ...
count =0;if(atomic_load_explicit(&v, memory_order_relaxed) != count++)abort();elsev++;if(atomic_load_explicit(&v, memory_order_acquire) != count++)abort();elsev++;if(atomic_load_explicit(&v, memory_order_consume) != count++)abort();elsev++;if(atomic_load_explicit(&v, memory_or...
template< class T > T atomic_load_explicit( const volatile std::atomic<T>* obj, std::memory_order order ); 1%29原子地获得obj好像obj->load() 2%29原子地获得obj好像obj->load(order) 参数 obj - pointer to the atomic object to modify ...
C atomic_load_explicit(constvolatileA*obj,memory_orderorder); (2)(C11 起) 原子地加载并返回obj所指向的原子对象的当前值。该操作是原子读操作。 第一版本按照memory_order_seq_cst排序内存访问,第二版本根按照order排序内存访问。order必须是memory_order_relaxed、memory_order_consume、memory_order_acquire或...
std::atomic_load_explicit template (1) template <class T> T atomic_load_explicit (const volatile atomic<T>* obj, memory_order sync) noexcept; template <class T> T atomic_load_explicit (const atomic<T>* obj, memory_order sync) noexcept; ...
T atomic_load_explicit(constvolatilestd::atomic<T>*obj, std::memory_orderorder)noexcept; (4)(C++11 起) 1,2)如同用obj->load()原子地獲得obj指向的值。 3,4)如同用obj->load(order)原子地獲得obj所指向的值。 如果order是std::memory_order_release和std::memory_order_acq_rel之一,那麼行為未定...
C atomic_load_explicit( const volatile A* obj, memory_order order ); (2) (C11 起) 原子地加载并返回 obj 所指向的原子对象的当前值。该操作是原子读操作。 第一版本按照 memory_order_seq_cst 排序内存访问,第二版本根按照 order 排序内存访问。 order 必须是 memory_order_relaxed、 memory_order_co...
Reads a value from an atomic object. Prototypes C atomic_load_explicit(volatile A *object, memory_order order); Parameters A One of the atomic types. C The corresponding non-atomic type of A. object A pointer that points to the atomic object to access. order The memory synchronization ord...
T atomic_load_explicit( const std::atomic<T>* obj, std::memory_order order ) noexcept; (3) (C++11 起) template< class T > T atomic_load_explicit( const volatile std::atomic<T>* obj, std::memory_order order ) noexcept; (4) (C++11 起) 1...