hondacrx
92 lines
2.3 KiB
C#
92 lines
2.3 KiB
C#
/*
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* Copyright (C) 2012-2020 CypherCore <http://github.com/CypherCore>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Collections.Generic;
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using System.Threading;
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namespace Framework.Threading
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{
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public class ProducerConsumerQueue<T>
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{
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object _queueLock = new object();
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Queue<T> _queue = new Queue<T>();
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volatile bool _shutdown;
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public ProducerConsumerQueue()
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{
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_shutdown = false;
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}
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public void Push(T value)
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{
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lock (_queueLock)
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{
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_queue.Enqueue(value);
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Monitor.PulseAll(_queueLock);
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}
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}
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public bool Empty()
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{
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lock (_queueLock)
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return _queue.Count == 0;
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}
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public bool Pop(out T value)
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{
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value = default(T);
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lock (_queueLock)
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{
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if (_queue.Count == 0 || _shutdown)
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return false;
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value = _queue.Dequeue();
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return true;
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}
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}
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public void WaitAndPop(out T value)
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{
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value = default(T);
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lock (_queueLock)
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{
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while (_queue.Count == 0 && !_shutdown)
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Monitor.Wait(_queueLock);
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if (_queue.Count == 0 || _shutdown)
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return;
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value = _queue.Dequeue();
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}
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}
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public void Cancel()
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{
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lock (_queueLock)
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{
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while (_queue.Count != 0)
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{
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_queue.Dequeue();
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}
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_shutdown = true;
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Monitor.PulseAll(_queueLock);
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}
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}
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}
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}
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