unlock_guard.h

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// Copyright (C) 2020 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef UNLOCK_GUARD_H
#define UNLOCK_GUARD_H

#include <boost/noncopyable.hpp>

namespace isc {
namespace util {

template<typename Mutex>
class UnlockGuard : public boost::noncopyable {
public:
    explicit UnlockGuard(Mutex& lock) : lock_(lock) {
        lock_.unlock();
    }

    ~UnlockGuard() {
        lock_.lock();
    }

private:
    Mutex& lock_;
};

} // namespace util
} // namespace isc

#endif // UNLOCK_GUARD_H