46 lines
1 KiB
C++
Executable file
46 lines
1 KiB
C++
Executable file
// Copyright (c) 2011-2016 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "RemoteEventLock.h"
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#include <cassert>
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#include <mutex>
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#include <condition_variable>
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#include <System/Dispatcher.h>
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#include <System/Event.h>
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namespace System {
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RemoteEventLock::RemoteEventLock(Dispatcher& dispatcher, Event& event) : dispatcher(dispatcher), event(event) {
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std::mutex mutex;
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std::condition_variable condition;
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bool locked = false;
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dispatcher.remoteSpawn([&]() {
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while (!event.get()) {
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event.wait();
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}
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event.clear();
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mutex.lock();
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locked = true;
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condition.notify_one();
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mutex.unlock();
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});
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std::unique_lock<std::mutex> lock(mutex);
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while (!locked) {
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condition.wait(lock);
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}
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}
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RemoteEventLock::~RemoteEventLock() {
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Event* eventPointer = &event;
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dispatcher.remoteSpawn([=]() {
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assert(!eventPointer->get());
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eventPointer->set();
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});
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}
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}
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