1// Copyright (c) 2009-2010 Satoshi Nakamoto
2// Copyright (c) 2009-present The Bitcoin Core developers
3// Distributed under the MIT software license, see the accompanying
4// file COPYING or http://www.opensource.org/licenses/mit-license.php.
5
6#include <util/threadinterrupt.h>
7
8#include <sync.h>
9
10CThreadInterrupt::CThreadInterrupt() : flag(false) {}
11
12bool CThreadInterrupt::interrupted() const
13{
14    return flag.load(std::memory_order_acquire);
15}
16
17CThreadInterrupt::operator bool() const
18{
19    return interrupted();
20}
21
22void CThreadInterrupt::reset()
23{
24    flag.store(false, std::memory_order_release);
25}
26
27void CThreadInterrupt::operator()()
28{
29    {
30        LOCK(mut);
31        flag.store(true, std::memory_order_release);
32    }
33    cond.notify_all();
34}
35
36bool CThreadInterrupt::sleep_for(Clock::duration rel_time)
37{
38    WAIT_LOCK(mut, lock);
39    return !cond.wait_for(lock, rel_time, [this]() { return flag.load(std::memory_order_acquire); });
40}
41