threadinterrupt.cpp

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#include <util/threadinterrupt.h>
 
#include <sync.h>
 
CThreadInterrupt::CThreadInterrupt() : flag(false) {}
 
CThreadInterrupt::operator bool() const
{
    return flag.load(std::memory_order_acquire);
}
 
void CThreadInterrupt::reset()
{
    flag.store(false, std::memory_order_release);
}
 
void CThreadInterrupt::operator()()
{
    {
        LOCK(mut);
        flag.store(true, std::memory_order_release);
    }
    cond.notify_all();
}
 
bool CThreadInterrupt::sleep_for(Clock::duration rel_time)
{
    WAIT_LOCK(mut, lock);
    return !cond.wait_for(lock, rel_time, [this]() { return flag.load(std::memory_order_acquire); });
}