dash/src/threadinterrupt.h
fanquake 2da9982e55 Merge #17829: scripted-diff: Bump copyright of files changed in 2019
aaaaad6ac95b402fe18d019d67897ced6b316ee0 scripted-diff: Bump copyright of files changed in 2019 (MarcoFalke)

Pull request description:

ACKs for top commit:
  practicalswift:
    ACK aaaaad6ac95b402fe18d019d67897ced6b316ee0
  promag:
    ACK aaaaad6ac95b402fe18d019d67897ced6b316ee0 🎉
  fanquake:
    ACK aaaaad6ac95b402fe18d019d67897ced6b316ee0 - going to merge this now because the year is over and conflicts are minimal.

Tree-SHA512: 58cb1f53bc4c1395b2766f36fabc7e2332e213780a802762fff0afd59468dad0c3265f553714d761c7a2c44ff90f7dc250f04458f4b2eb8eef8b94f8c9891321
2023-12-06 11:40:14 -06:00

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911 B
C++

// Copyright (c) 2016-2019 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_THREADINTERRUPT_H
#define BITCOIN_THREADINTERRUPT_H
#include <sync.h>
#include <atomic>
#include <chrono>
#include <condition_variable>
/*
A helper class for interruptible sleeps. Calling operator() will interrupt
any current sleep, and after that point operator bool() will return true
until reset.
*/
class CThreadInterrupt
{
public:
using Clock = std::chrono::steady_clock;
CThreadInterrupt();
explicit operator bool() const;
void operator()();
void reset();
bool sleep_for(Clock::duration rel_time) EXCLUSIVE_LOCKS_REQUIRED(!mut);
private:
std::condition_variable cond;
Mutex mut;
std::atomic<bool> flag;
};
#endif //BITCOIN_THREADINTERRUPT_H