/*
	This file is part of cpp-ethereum.

	cpp-ethereum is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	cpp-ethereum is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Guards.h
 * @author Gav Wood <i@gavwood.com>
 * @date 2014
 */

#pragma once

#include <mutex>
#include <boost/thread.hpp>

namespace dev
{

using Mutex = std::mutex;
using RecursiveMutex = std::recursive_mutex;
using SharedMutex = boost::shared_mutex;

using Guard = std::lock_guard<std::mutex>;
using RecursiveGuard = std::lock_guard<std::recursive_mutex>;
using ReadGuard = boost::shared_lock<boost::shared_mutex>;
using UpgradableGuard = boost::upgrade_lock<boost::shared_mutex>;
using UpgradeGuard = boost::upgrade_to_unique_lock<boost::shared_mutex>;
using WriteGuard = boost::unique_lock<boost::shared_mutex>;

}