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#include <queue>
#include <mutex>
#include <condition_variable>
#include <thread>
#include <iostream>
#include <atomic>

template <typename T>
class ProducerConsumer {
private:
std::queue<T> taskQ;
std::condition_variable isFull;
std::condition_variable isEmpty;
std::mutex mtx;
size_t maxSize;
std::atomic<bool> stop;

std::vector<std::thread> pThreads;
std::vector<std::thread> cThreads;

auto Do(T task) {
std::cout << "消费了一个任务" << std::endl;
return;
}

public:

ProducerConsumer(size_t size) :maxSize{ size }, stop{ false } {}

void Producer(const T& task) {
std::unique_lock<std::mutex> lock(mtx);
isFull.wait(lock, [this]() { return taskQ.size() < maxSize || stop; });
if (stop) return;
taskQ.emplace(task);
isEmpty.notify_one();
}

void Consumer() {
std::unique_lock<std::mutex> lock(mtx);
isEmpty.wait(lock, [this]() { return !taskQ.empty() || stop; });
if (taskQ.empty() && stop) return;
auto temp = taskQ.front();
taskQ.pop();
lock.unlock();
Do(temp);
isFull.notify_one();
}
};

int main() {

return 0;
}