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#pragma once
#include <queue>
#include <mutex>
#include <condition_variable>
template <typename T>
class ThreadSafeQueue
{
public:
T pop()
{
std::unique_lock<std::mutex> mlock(mutex_);
while (queue_.empty())
{
cond_.wait(mlock);
}
auto item = 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();
}
bool isEmpty()
{
std::unique_lock<std::mutex> mlock(mutex_);
bool isEmpty = queue_.empty();
mlock.unlock();
cond_.notify_one();
return isEmpty;
}
private:
std::queue<T> queue_;
std::mutex mutex_;
std::condition_variable cond_;
};
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