BlockingQueue.cs 2.6 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSim Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System.Collections.Generic;
  28. using System.Threading;
  29. namespace OpenSim.Framework
  30. {
  31. public class BlockingQueue<T>
  32. {
  33. private readonly Queue<T> m_queue = new Queue<T>();
  34. private readonly object m_queueSync = new object();
  35. public void Enqueue(T value)
  36. {
  37. lock (m_queueSync)
  38. {
  39. m_queue.Enqueue(value);
  40. Monitor.Pulse(m_queueSync);
  41. }
  42. }
  43. public T Dequeue()
  44. {
  45. lock (m_queueSync)
  46. {
  47. if (m_queue.Count < 1)
  48. {
  49. Monitor.Wait(m_queueSync);
  50. }
  51. return m_queue.Dequeue();
  52. }
  53. }
  54. public bool Contains(T item)
  55. {
  56. lock (m_queueSync)
  57. {
  58. return m_queue.Contains(item);
  59. }
  60. }
  61. public int Count()
  62. {
  63. return m_queue.Count;
  64. }
  65. public T[] GetQueueArray()
  66. {
  67. return m_queue.ToArray();
  68. }
  69. }
  70. }