unlock_guard.h

Go to the documentation of this file.

// 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