int id;

char data[64];

static std::atomic<int> counter;

Packet() : id(++counter) {

// std::cout << "Packet #" << id << " created\n";

}

~Packet() {

// std::cout << "Packet #" << id << " destroyed\n";

}

LockFreeObjectPool<Packet>::Config cfg;

cfg.max_cached = 1000;

cfg.resetter = reset_packet;

LockFreeObjectPool<Packet> pool(cfg);

const int num_threads = 4;

const int ops_per_thread = 100000;

std::vector<std::thread> threads;

for (int i = 0; i < num_threads; ++i) {

threads.emplace_back([&pool, ops_per_thread]() {

for (int j = 0; j < ops_per_thread; ++j) {

auto p = pool.acquire();

// 模拟使用

p->data[0] = 'A';

pool.release(std::move(p));

}

});

}

for (auto& t : threads) t.join();

std::cout << "Final cached: " << pool.cached_size() << "\n";

return 0;

}