callback-guard.hpp

Go to the documentation of this file.

/*
 *  Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
 *
 *  Contact: Piotr Bartosiewicz <p.bartosiewi@partner.samsung.com>
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License
 */

#ifndef COMMON_UTILS_CALLBACK_GUARD_HPP
#define COMMON_UTILS_CALLBACK_GUARD_HPP


#include <memory>


namespace utils {

class CallbackGuard {
public:
    typedef std::shared_ptr<void> Tracker;

    CallbackGuard();

    ~CallbackGuard();

    Tracker spawn() const;

    long getTrackersCount() const;

    bool waitForTrackers(const unsigned int timeoutMs);
private:
    class SharedState;
    std::shared_ptr<SharedState> mSharedState;

    CallbackGuard(const CallbackGuard&) = delete;
    CallbackGuard& operator=(const CallbackGuard&) = delete;
};

} // namespace utils


#endif // COMMON_UTILS_CALLBACK_GUARD_HPP