BlockingQueue.cs 2.3 KB

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  1. /*
  2. * Copyright (c) Contributors, http://www.openmetaverse.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. */
  28. using System.Collections.Generic;
  29. using System.Threading;
  30. namespace OpenSim.Framework.Utilities
  31. {
  32. public class BlockingQueue<T>
  33. {
  34. private Queue<T> _queue = new Queue<T>();
  35. private object _queueSync = new object();
  36. public void Enqueue(T value)
  37. {
  38. lock (_queueSync)
  39. {
  40. _queue.Enqueue(value);
  41. Monitor.Pulse(_queueSync);
  42. }
  43. }
  44. public T Dequeue()
  45. {
  46. lock (_queueSync)
  47. {
  48. if (_queue.Count < 1)
  49. Monitor.Wait(_queueSync);
  50. return _queue.Dequeue();
  51. }
  52. }
  53. }
  54. }