//-------------------------------------------------------------------------------
// <copyright file="LqrSMACWaitableThreadSafeQueue.cpp" company="LiquidRobotics">
//
// Copyright (c) 2014 Liquid Robotics, Inc.
//
// 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.
//
// This software is associated with a release.  Liquid Robotics makes no
// representation that the design, interfaces or component distribution will
// remain unchanged in future releases.
//
// </copyright>
//
// <summary>
// </summary>
//
// <owner></owner>
//-------------------------------------------------------------------------------

#include "LqrSMACWaitableThreadSafeQueue.h"

namespace LiquidRobotics {
namespace SMACFramework {
namespace WaitableThreadSafeQueueTools {

bool AwaitSem(float startTime, unsigned millisecTimeout, LiquidRobotics::SMACFramework::Semaphore& sem)
{
	bool success = false;
	unsigned millisecondsElapsed = 0;

	if (sem.TryWait())
		success = true;

	else
	{
		millisecondsElapsed = floor((GetSystemUpTimeSeconds()-startTime)*1000.0f);

		if (millisecondsElapsed >= millisecTimeout)
			success = false;

		else
			success = sem.TimedWait(millisecTimeout-millisecondsElapsed, false);
	}

	return success;
}

}
}
}

