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35 lines
921 B
C++
35 lines
921 B
C++
// Copyright (c) 2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_THREADINTERRUPT_H
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#define BITCOIN_THREADINTERRUPT_H
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#include <atomic>
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#include <chrono>
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#include <condition_variable>
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#include <mutex>
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/*
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A helper class for interruptible sleeps. Calling operator() will interrupt
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any current sleep, and after that point operator bool() will return true
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until reset.
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*/
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class CThreadInterrupt
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{
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public:
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explicit operator bool() const;
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void operator()();
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void reset();
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bool sleep_for(std::chrono::milliseconds rel_time);
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bool sleep_for(std::chrono::seconds rel_time);
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bool sleep_for(std::chrono::minutes rel_time);
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private:
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std::condition_variable cond;
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std::mutex mut;
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std::atomic<bool> flag;
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};
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#endif //BITCOIN_THREADINTERRUPT_H
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