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#pragma once
#include <queue>
#include <thread>
#include <mutex>
#include <condition_variable>
template <typename T>
class thdq
{
public:
T pop()
{
std::unique_lock<std::mutex> mlock(mutex_);
while (queue_.empty()) { cond_.wait(mlock); }
auto item = std::move(queue_.front());
queue_.pop();
return item;
}
void pop(T& item)
{
std::unique_lock<std::mutex> mlock(mutex_);
while (queue_.empty()) { cond_.wait(mlock); }
item = queue_.front();
queue_.pop();
}
void push(const T& item)
{
std::unique_lock<std::mutex> mlock(mutex_);
queue_.push(item);
mlock.unlock();
cond_.notify_one();
}
void push(T&& item)
{
std::unique_lock<std::mutex> mlock(mutex_);
queue_.push(std::move(item));
mlock.unlock();
cond_.notify_one();
}
private:
std::queue<T> queue_;
std::mutex mutex_;
std::condition_variable cond_;
};
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