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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef SIGNAL_H
#define SIGNAL_H
#include <mutex>
#include <atomic>
#include <condition_variable>
#include "System/Misc/SpringTime.h"
class mac_signal {
public:
mac_signal() noexcept { sleepers = 0; }
mac_signal(const mac_signal&) = delete;
mac_signal& operator=(const mac_signal&) = delete;
void wait();
void wait_for(spring_time t);
void notify_all(const int min_sleepers = 1);
protected:
std::mutex mtx;
std::condition_variable cv;
std::atomic_int sleepers;
};
#endif // SIGNAL_H
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