threadinterrupt.h

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// Copyright (c) 2016-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_UTIL_THREADINTERRUPT_H
#define BITCOIN_UTIL_THREADINTERRUPT_H

#include <sync.h>
#include <threadsafety.h>

#include <atomic>
#include <chrono>
#include <condition_variable>

class CThreadInterrupt
{
public:
    using Clock = std::chrono::steady_clock;

    CThreadInterrupt();

    virtual ~CThreadInterrupt() = default;

    virtual bool interrupted() const;

    virtual explicit operator bool() const;

    virtual void operator()() EXCLUSIVE_LOCKS_REQUIRED(!mut);

    virtual void reset();

    virtual bool sleep_for(Clock::duration rel_time) EXCLUSIVE_LOCKS_REQUIRED(!mut);

private:
    std::condition_variable cond;
    Mutex mut;
    std::atomic<bool> flag;
};

#endif // BITCOIN_UTIL_THREADINTERRUPT_H