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Program.cs
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107 lines (80 loc) · 3.3 KB
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using System;
using System.Threading;
using System.Threading.Tasks;
namespace ThreadingExample
{
class Program
{
//1- Count all objects created from this class
//3- Write a code that prints 1 to 10 5 times in parallel (5 threads running together in parallel and each thread prints from 1 to 10).
//== vs equal
// Reverse a string
public void CountdownEvent()
{
for (int i = 0; i < 10; i++)
{
Console.WriteLine($"Thread {Thread.CurrentThread.ManagedThreadId} :: {i}");
//Write on file
Thread.Sleep(100);
}
//1000 ms
}
public void CountdownEventWithLock()
{
lock (this)
{
for (int i = 0; i < 10; i++)
{
Console.WriteLine($"Thread with lock {Thread.CurrentThread.ManagedThreadId} :: {i}");
//Write on file
Thread.Sleep(100);
}
}
//1000 ms
}
/**
*
* Unstarted
Runnable (Ready to run)
Running
Not Runnable
Dead (Terminated)
*/
static void Main(string[] args)
{
Program program1 = new Program();
Console.WriteLine($"Main Thread {Thread.CurrentThread.ManagedThreadId} ThreadState {Thread.CurrentThread.ThreadState}");//Running
ThreadStart threadStart1 = new ThreadStart(program1.CountdownEvent);
ThreadStart threadStart2 = new ThreadStart(program1.CountdownEventWithLock);
ThreadStart threadStart3 = new ThreadStart(program1.CountdownEventWithLock);
Thread t1 = new Thread(threadStart1);
Thread t2 = new Thread(new ThreadStart(program1.CountdownEvent));
Thread t3 = new Thread(threadStart2);
Thread t4 = new Thread(threadStart3);
Console.WriteLine($" Thread {t1.ManagedThreadId} ThreadState {t1.ThreadState}");//Unstarted - Initilze the DB
Console.WriteLine($" Thread {t2.ManagedThreadId} ThreadState {t2.ThreadState}");//Unstarted - Copy file from somewher ---
t1.Priority = ThreadPriority.Highest;
t2.Priority = ThreadPriority.Lowest;
t1.Start();// Runable -> run -> 1000 ms
t2.Start();// Runable -> run -> 1000 ms
t3.Start();
t4.Start();
var task = Task.Run(() => {
Console.WriteLine($"Task.Run Thread {Thread.CurrentThread.ManagedThreadId} ThreadState {Thread.CurrentThread.ThreadState}");//Background
});
//try ->
//t1.Join();
//--> 0
Console.WriteLine($" Thread {t1.ManagedThreadId} ThreadState {t1.ThreadState}");
Console.WriteLine($" Thread {t2.ManagedThreadId} ThreadState {t2.ThreadState}");
for (int i = 0; i < 10; i++)
{
//Console.WriteLine($"Main Thread {Thread.CurrentThread.ManagedThreadId} :: {i}");
Thread.Sleep(100);
}
//--> 1000 ms
Console.WriteLine($" Thread {t1.ManagedThreadId} ThreadState {t1.ThreadState}");//Stopped
Console.WriteLine($" Thread {t2.ManagedThreadId} ThreadState {t2.ThreadState}");//Stopped
}
}
}