How many defaults threads created by default in .Net application?

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I am running the sample .Net Console application just to check the number of threads created in the Task Manager. But the no of threads running for the below code in Task Manager is 10?

C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication7
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine("Testing--";);
        }
    }
}

Can anyone let me know how many default threads should run for thr above code in Task Manager?

Posted 29-May-12 3:04am

Shwemn

Updated 29-May-12 3:19am

JF2015

v2

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**Zoltán Zörgő** · Accepted Answer · 2012-05-29T03:26:00

Solution 2

Depends on the system configuration and weather you run it from VisualStudion or already compiled, you run it or trace it... In case of a step by step trace from within Visual Studio, 10 treads are normal.

Posted 29-May-12 3:26am

Zoltán Zörgő

jpratik · Accepted Answer · 2012-05-29T03:21:00

One for the program, and one for garbage collection.

According to the Microsoft documentation[^].,

"The thread pool is created the first time you create an instance of the ThreadPool class. The thread pool has a default limit of 25 threads per available processor, which could be changed using CorSetMaxThreads as defined in the mscoree.h file. Each thread uses the default stack size and runs at the default priority. Each process can have only one operating system thread pool."

The CLR may create extra threads for the thread pool just in case you need them, but your code won't run on them unless you explicitly make it happen.

You can see threads being created if you watch the Output panel in Visual Studio while your app is running.