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4a28d4d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | // Copyright (c) OpenMMLab. All rights reserved.
#pragma once
#include <condition_variable>
#include <mutex>
#include <queue>
namespace turbomind {
template<class T>
class Queue {
public:
template<class X>
void push(X&& x)
{
{
std::lock_guard lock{mutex_};
queue_.push(std::forward<X>(x));
}
cv_.notify_one();
}
bool pop(T& x)
{
std::unique_lock lock{mutex_};
cv_.wait(lock, [&] { return !queue_.empty() || is_closed_; });
if (is_closed_) {
return false;
}
x = std::move(queue_.front());
queue_.pop();
return true;
}
void close()
{
{
std::lock_guard lock{mutex_};
is_closed_ = true;
}
cv_.notify_all();
}
private:
std::queue<T> queue_;
std::mutex mutex_;
std::condition_variable cv_;
bool is_closed_{false};
};
} // namespace turbomind
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