/**
 * Copyright (C) 2017 Fábio Bento (random-guy)
 *
 * This library is distributed under the MIT License. See notice at the end
 * of this file.
 *
 */

#include "conditionalsemaphore.h"

 namespace Cosemaphore{

ConditionalSemaphore::ConditionalSemaphore():
    internalCounter(0)
{
   
}

void ConditionalSemaphore::SetCondition()
{
    this->internalCounter++;
}

void ConditionalSemaphore::UnsetCondition()
{
    this->internalCounter--;
	
	if(this->internalCounter < 0){
        throw std::runtime_error("ConditionalSemaphore UnsetCondition called more times than SetCondition.");
	}
}

bool ConditionalSemaphore::ConditionIsSet()
{
    return this->internalCounter > 0;
}

 }

/**
 * Copyright (c) 2017
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */