operator++() 进行原子的前自增。等价于 return fetch_add(1) + 1;。 operator++(int) 进行原子的后自增。等价于 return fetch_add(1);。 operator--() 进行原子的前自减。等价于 return fetch_sub(1) - 1;。 operator--(int) 进行原子的后自减。等价于 return fetch_sub(1);。
cppreference.com Create account Page Discussion Standard revision: View Edit History std::atomic<T>::operator++,++(int),--,--(int)C++ Concurrency support library std::atomic member only of atomic<Integral > specializations T operator++() noexcept; (1) (since C++11) T operator++()...
eggper1楼•4 个月前
问使用QAtomicInt/QAtomicPointer进行原子读取ENpackage main import ( "fmt" "runtime...
Unlike most pre-increment and pre-decrement operators, the pre-increment and pre-decrement operators for atomic_ref do not return a reference to the modified object. They return a copy of the stored value instead. See alsofetch_add atomically adds the argument to the value stored in the ...