/*! \file pithreadnotifier.h
 * \ingroup Thread
 * \~\brief
 * \~english Class for simple notify and wait in different threads
 * \~russian Класс для простого уведомления и ожидания в различных потоках
 */
/*
	PIP - Platform Independent Primitives
	Class for simply notify and wait in different threads
	Andrey Bychkov work.a.b@yandex.ru

	This program 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 <http://www.gnu.org/licenses/>.
*/

#ifndef PITHREADNOTIFIER_H
#define PITHREADNOTIFIER_H

#include "piconditionvar.h"


class PIP_EXPORT PIThreadNotifier {
public:
	PIThreadNotifier();

	//! \~english Start waiting, return if other thread call \a notifyOnce()
	//! \~russian Начать ожидание, продолжает когда другой поток вызовет \a notifyOnce()
	void wait();

	//! \~english Notify one waiting thread, which waiting on \a wait() function
	//! \~russian Уведомить один из ожидающих потоков, которые висят на методе \a wait()
	void notify();

private:
	ullong cnt;
	PIMutex m;
	PIConditionVariable v;
};

#endif // PITHREADNOTIFIER_H
