//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.

// urfd -- The universal reflector
// Copyright © 2021 Thomas A. Early N7TAE
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#pragma once

#include <mutex>
#include <condition_variable>

class CSemaphore
{
public:
	// constructor
	CSemaphore();

	// destructor
	virtual ~CSemaphore() {};

	// operation
	void Reset(void);
	void Notify(void);
	void Wait(void);
	bool WaitFor(unsigned);

protected:
	// data
	std::mutex              m_Mutex;
	std::condition_variable m_Condition;
	std::size_t             m_Count;

};