/*
	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/>.
*/

#include "pithreadnotifier.h"


PIThreadNotifier::PIThreadNotifier() : cnt(0) {}


void PIThreadNotifier::wait() {
	m.lock();
	while (cnt == 0) v.wait(m);
	cnt--;
	m.unlock();
}


void PIThreadNotifier::notifyOnce() {
	m.lock();
	cnt++;
	v.notifyAll();
	m.unlock();
}