Multithreading

bero_0401

Oct 2nd, 2024

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C# 2.27 KB | Source Code | 0 0

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using revision;
public class Program
{
static void Main(String[] args){
//var th1 = new Thread(ProcessBatch1);
//th1.Priority = ThreadPriority.Highest;
//var th2 = new Thread(ProcessBatch2);
//th2.Priority = ThreadPriority.Lowest;
//th1.IsBackground = true;
//th2.IsBackground = true;
//th1.Start();
//th2.Start();
//var cts = new CancellationTokenSource();
//// threadPool make the thread BackGround
//ThreadPool.QueueUserWorkItem(ProcessBatch1 , cts.Token);
//ThreadPool.QueueUserWorkItem(ProcessBatch2 , cts.Token);
//Thread.Sleep(1200);
//cts.Cancel();
}
private static object _lock = new object(); // The Thread can not switched inside the lock block
private static void ProcessBatch1(Object? state)
{
Thread.Sleep(1000);
for(int i =1; i<=1000;i++)
{
var cancellationToken = (CancellationToken)state;
if (cancellationToken.IsCancellationRequested) // the process decide the best time to break!
return;
lock (_lock)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(i);
Console.ForegroundColor = ConsoleColor.White;
}
}
}
private static void ProcessBatch2(Object? state)
{
Thread.Sleep(1000);
for (int i = 1001; i <= 2000; i++)
{
var cancellationToken = (CancellationToken)state;
if (cancellationToken.IsCancellationRequested) // the process decide the best time to break!
return;
lock (_lock)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(i);
Console.ForegroundColor = ConsoleColor.White;
}
}
}
}
public class EventsTest
{
public event CalculateEventHandler ExpressionCalculated;
public delegate void CalculateEventHandler(int x, int y);
public int Calculate(int x, int y)
{
int result = x + y;
ExpressionCalculated?.Invoke(x, y);
Console.WriteLine(result);
return result;
}
}

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