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concurrentqueue/benchmarks/stdqueue.h

48 lines
1.1 KiB
C++

// ©2014 Cameron Desrochers.
#pragma once
#include <queue>
#include "wrappers.h"
// Simple wrapper around std::queue (not thread safe)
template<typename T>
class StdQueueWrapper
{
public:
typedef DummyToken producer_token_t;
typedef DummyToken consumer_token_t;
public:
template<typename U>
inline bool enqueue(U&& item)
{
q.push(std::forward<U>(item));
return true;
}
inline bool try_dequeue(T& item)
{
if (q.empty()) {
return false;
}
item = std::move(q.front());
q.pop();
return true;
}
// Dummy token methods (not used)
bool enqueue(producer_token_t const&, T const&) { return false; }
bool try_enqueue(producer_token_t, T const&) { return false; }
bool try_dequeue(consumer_token_t, T& item) { return false; }
template<typename It> bool enqueue_bulk(It, size_t) { return false; }
template<typename It> bool enqueue_bulk(producer_token_t const&, It, size_t) { return false; }
template<typename It> size_t try_dequeue_bulk(It, size_t) { return 0; }
template<typename It> size_t try_dequeue_bulk(consumer_token_t, It, size_t) { return 0; }
private:
std::queue<T> q;
};