共享资源最快的多读/单写保护 - C++

#include <mutex>
#include<vector>
#include<thread>

std::vector<int> shared_data;
std::shared_mutex shared_mutex;

void reader() {
    while (true) {
        // 锁定共享资源以进行读操作
        shared_mutex.lock_shared();
        // 读取共享资源
        for (int i : shared_data) {
            // 处理数据
        }
        // 解锁共享资源
        shared_mutex.unlock_shared();
    }
}

void writer() {
    while (true) {
        // 锁定共享资源以进行写操作
        shared_mutex.lock();
        // 写入共享资源
        shared_data.push_back(42);
        // 解锁共享资源
        shared_mutex.unlock();
    }
}

int main() {
    std::thread reader_thread(reader);
    std::thread writer_thread(writer);

    reader_thread.join();
    writer_thread.join();

    return 0;
}