OpenSimMirror/OpenSim/Framework/BlockingQueue.cs

80 lines
2.7 KiB
C#

/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System.Collections.Generic;
using System.Threading;
namespace OpenSim.Framework
{
public class BlockingQueue<T>
{
private readonly Queue<T> m_queue = new Queue<T>();
private readonly object m_queueSync = new object();
private readonly object m_dequeueSync = new object();
public void Enqueue(T value)
{
lock (m_queueSync)
{
m_queue.Enqueue(value);
Monitor.Pulse(m_queueSync);
}
}
public T Dequeue()
{
lock (m_queueSync)
{
if (m_queue.Count < 1)
{
lock (m_dequeueSync)
{
Monitor.Wait(m_queueSync);
}
}
return m_queue.Dequeue();
}
}
public bool Contains(T item)
{
lock (m_queueSync)
{
return m_queue.Contains(item);
}
}
public int Count()
{
lock (m_queueSync)
{
return m_queue.Count;
}
}
}
}