event.h

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#ifndef event_HEADER_GUARD
#define event_HEADER_GUARD
/*
 * event.h :
 *
 * (c) Copyright 2017-2024 Sampsa Riikonen
 * 
 * Authors: Sampsa Riikonen <sampsa.riikonen@iki.fi>
 * 
 * This file is part of the Valkka library.
 * 
 * Valkka is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>
 *
 */
 
#include <mutex>
#include <condition_variable>
 
class Event { 
 
public:
    Event();
    ~Event();
 
public:
    void clear();
    void set();
    bool is_set();
    bool wait(int timeout = 0);
 
private:
    std::mutex mutex;
    std::condition_variable cv;
    bool flag;
};
#endif