访问boost线程对象的成员变量

#include<boost/thread.hpp>
#include<iostream>

class Counter {
public:
    Counter() : count(0) {}

    void increment() {
        boost::mutex::scoped_lock lock(mutex);
        count++;
    }

    int get_count() const {
        return count;
    }

private:
    mutable boost::mutex mutex;
    int count;
};

void increment_counter(Counter* counter) {
    for (int i = 0; i < 100000; ++i) {
        counter->increment();
    }
}

int main() {
    Counter counter;
    boost::thread thread1(increment_counter, &counter);
    boost::thread thread2(increment_counter, &counter);

    thread1.join();
    thread2.join();

    std::cout << "Final count: "<< counter.get_count()<< std::endl;

    return 0;
}