例子

    1. #include <iostream>
    2. #include <thread>
    3. #include <atomic>
    4. #include <vector>
    6. std::atomic<long long> data;
    7. long long _data = 0;
    9. void do_work()
    10. {
    11.     //_data++;
    12.     data.fetch_add(1, std::memory_order_relaxed);
    13. }
    15. int main()
    16. {
    17.     std::vector<std::thread> thread_pool;
    19.     for (int i = 0; i < 1000; i++) {
    20.         std::thread t(do_work);
    21.         thread_pool.push_back(std::move(t));
    22.     }
    24.     for (int i = 0 ; i < 1000 ; i++) {
    25.         thread_pool[i].join();
    26.     }
    28.     //std::cout << "Result:" << _data << '\n';
    29.     std::cout << "Result:" << data << '\n';
    30. }