Web2 okt. 2024 · The __atomic_add_fetch and __atomic_sub_fetch functions may also eventually be used by the compiler to implement an atomic prefix increment or decrement operation (++x and --x). This would e.g happen if x is an object of type __int128_t and the platform doesn't implement lock-free atomics for types of size 16.

atomic_fetch_or, atomic_fetch_or_explicit - cppreference.com

WebYou would need to replace your array of uint64_t with an array of std::atomic. On many platforms, this will have the same size and alignment as plain uint64_t, but all … Web概要. アトミックに値を加算する. テンプレートパラメータ制約 (1), (2) : C++17 : 型Tがオブジェクト型であること。型Tがvoid*や関数ポインタであってはならない (1) : C++20 : atomic::is_always_lock_freeがtrueであること 効果. memory_order_seq_cstのメモリオーダーにしたがって、現在の値にoperandを加算した値で ... dr tin decatur il ophthalmology

AtomicUsize in std::sync::atomic - Rust

Webtemplate< class Integral > Integral atomic_fetch_and_explicit( volatile std::atomic* obj, Integral arg, std::memory_order order); 原子地替换 obj 与按位和旧值之间的结果 obj 和 arg 返回值 obj 以前持有。 Webatomic_fetch_add 原子替换指向的值 obj 和添加 arg 到旧值的结果 obj ，并返回 obj 先前保存的值。 操作是读取 - 修改 - 写入操作。 第一个版本根据命令对内存进行访问 … WebPerforms atomic addition. Atomically adds argto the value pointed to by objand returns the value objheld previously. The operation is performed as if the following was executed: … columbo episode about a winery