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#include <mutex>
#include <thread>
#include <chrono>
#include <deque>
using namespace std::literals::chrono_literals;
#include "items.hpp"
template <size_t sleep_duration_ms>
struct Producer_Sync {
Item consume()
{
while (!done){
std::this_thread::sleep_for(10ms);
}
if (channel.empty()){
return Item{-1};
}
auto ret = channel.front();
channel.pop_front();
return ret;
};
void produce(size_t n_times)
{
done = false;
for (size_t i = 0; i < n_times; i++){
std::this_thread::sleep_for(std::chrono::milliseconds{sleep_duration_ms});
channel.push_back(Item{(int)i});
}
done = true;
}
private:
bool done = false;
std::mutex m{};
std::deque<Item> channel;
};