58 lines
1.6 KiB
C++
Executable file
58 lines
1.6 KiB
C++
Executable file
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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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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