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C#/.NET - interrupt thread

6 points
Created by:
Marcin
2477

It is possible to break blocking operations (which change thread state to WaitSleepJoin) executed in some thread with Thread.Interrupt method.

Thread.Interrupt method example.

using System;
using System.Threading;

namespace Test
{
	class Program
	{
		static void Main(string[] args)
		{
			Thread thread = new Thread(() =>
			{
				DateTime t1 = DateTime.Now;

				try
				{
					Thread.Sleep(3000);
				}
				catch(ThreadInterruptedException)
				{
					TimeSpan dt = DateTime.Now - t1;

					Console.WriteLine("Thread interrupted after " + dt.TotalMilliseconds + " ms.");
				}
			});

			thread.Start();
			Thread.Sleep(1000);
			thread.Interrupt();
		}
	}
}

Output:

Thread interrupted after 1003.6518 ms.
Note: One interrupt method breaks one blocked method.

References:

  1. Thread.Interrupt Method - Microsoft Docs
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