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hELLO ยท Designed By ์ •์ƒ์šฐ.
Rainbow๐ŸŒˆCoder

My dev Note๐Ÿ“’

Server/๊ฒŒ์ž„ ์„œ๋ฒ„(๋„คํŠธ์›Œํฌ, ๋ฉ€ํ‹ฐ์“ฐ๋ ˆ๋“œ,OS)

์“ฐ๋ ˆ๋“œ ์ƒ์„ฑ, ์“ฐ๋ ˆ๋“œํ’€๋ง, Task ๋ช…์‹œ

2022. 4. 15. 21:40
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using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread()
        {
            Console.WriteLine("hello Thread!");
        }
        static void Main(string[] args)
        {
            Thread t = new Thread(MainThread);
            t.Start();
            //๋ณ„๋„์˜ ์“ฐ๋ ˆ๋“œ๊ฐ€ ์‹คํ–‰๋จ
            Console.WriteLine("Hello World!");
        }
    }
}

 

 

๋ฐฑ๊ทธ๋ผ์šด๋“œ ์“ฐ๋ ˆ๋“œ

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread()
        {
            while(true)
            Console.WriteLine("hello Thread!");
        }
        static void Main(string[] args)
        {
            Thread t = new Thread(MainThread);
            //๋ฐฑ๊ทธ๋ผ์šด๋“œ ์“ฐ๋ ˆ๋“œ๋กœ, ์•ž๊ทธ๋ผ์šด๋“œ์—์„œ ๋Œ๋ฆด์ง€ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Œ
            t.IsBackground = true;
            t.Start();
            //๋ณ„๋„์˜ ์“ฐ๋ ˆ๋“œ๊ฐ€ ์‹คํ–‰๋จ
            Console.WriteLine("Hello World!");
        }
    }
}

 

์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ์‹คํ–‰์€ ๊ณ„์†๋˜๊ณ  ์ข…๋ฃŒ๋˜์ง€ ์•Š๋Š” ์ƒํ™ฉ์ด ํŽผ์ณ์ง„๋‹ค.

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            while(true)
            Console.WriteLine("hello Thread!");
        }
        static void Main(string[] args)
        {
            Thread t = new Thread(MainThread);
            t.Name = "TestThread";
            //๋ฐฑ๊ทธ๋ผ์šด๋“œ ์“ฐ๋ ˆ๋“œ๋กœ, ์•ž๊ทธ๋ผ์šด๋“œ์—์„œ ๋Œ๋ฆด์ง€ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Œ
            t.IsBackground = true;
            t.Start();
            Console.WriteLine("waiting for thread!");
            t.Join(); // ๋ฐฑ๊ทธ๋ผ์šด๋“œ๊ฐ€ ๋๋‚  ๋•Œ ๊นŒ์ง€ ๊ธฐ๋‹ค๋ ธ๋‹ค๊ฐ€ ๋‹ค์Œ์ค„๋กœ ๊ฐ€๊ฒ ๋‹ค
            //๋ณ„๋„์˜ ์“ฐ๋ ˆ๋“œ๊ฐ€ ์‹คํ–‰๋จ
            Console.WriteLine("Hello World!");
        }
    }
}

์ผ์ผํžˆ ์“ฐ๋ ˆ๋“œ๋ฅผ ๋งŒ๋“ค์–ด์„œ ๊ด€๋ฆฌํ•˜๊ธฐ๋Š” ๋…ธ๊ฐ€๋‹ค์Šค๋Ÿฝ๋‹ค.

 

๊ทธ๋ž˜์„œ ์‚ฌ์šฉํ•˜๊ฒŒ ๋˜๋Š” ์“ฐ๋ ˆ๋“œํ’€ ๊ฐœ๋…

 

 

<์“ฐ๋ ˆ๋“œํ’€๋ง>=์ธ๋ ฅ์‚ฌ๋ฌด์†Œ

 

์“ฐ๋ ˆ๋“œํ’€๋กœ ๋„˜๊ธด ์“ฐ๋ ˆ๋“œ๋Š” ์ž๋™์œผ๋กœ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์“ฐ๋ ˆ๋“œ๊ฐ€ ๋œ๋‹ค.

new Thread()๋กœ ๋งŒ๋“œ๋Š” ๋…€์„์€ ์ •์ง์› ๊ฐœ๋…์ด๊ณ (๊ณ„์† ๊ด€๋ฆฌ ํ•„์š”)

์“ฐ๋ ˆ๋“œํ’€๋กœ ๋„˜๊ธฐ๋Š” ์“ฐ๋ ˆ๋“œ๋Š” ๋‹จ๊ธฐ๋กœ ๊ณ ์šฉํ•˜๋Š” ๋Œ€๊ธฐ์กฐ ์•Œ๋ฐ” ๊ฐœ๋…์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜๋ฉด ์‰ฝ๋‹ค.

์•Œ๋ฐ”๊ฐ€ ๋„˜๊ฒจ ๋ฐ›์€ ํ•  ์ผ์„ ๋‹ค ์ˆ˜ํ–‰ํ•˜๊ณ  ๋๋‚˜๋ฉด ๋‹ค์‹œ ๋Œ€๊ธฐํ’€๋กœ ๋Œ์•„๊ฐ€์„œ ์ผ ๋ฐ›๊ธฐ๋ฅผ ๊ธฐ๋‹ค๋ฆฌ๊ฒŒ ๋œ๋‹ค-

new ๋กœ ์ผ์ผํžˆ ๋งŒ๋“ค๊ธฐ ๋ณด๋‹ค ์œ ๋™์ ์œผ๋กœ ์ค€๋น„๊ฐ€ ๋œ ๋…€์„๋“ค๋ถ€ํ„ฐ ์ผ์„ ์‹œํ‚ฌ ์ˆ˜ ์žˆ์œผ๋‹ˆ๊นŒ ํŽธ๋ฆฌํ•˜๋‹ค

๋˜ํ•œ ์“ฐ๋ ˆ๋“œํ’€์€ ์ตœ๋Œ€๋กœ ๋Œ๋ฆด ์ˆ˜ ์žˆ์„ ๋งŒํผ์˜ ์“ฐ๋ ˆ๋“œ๊ฐ€ ์ œํ•œ์ด ๋œ ์ƒํƒœ์—์„œ ๋Œ€๊ธฐ์ค‘์ด๋‹ค.

๋ฌด์ž‘์ • ์“ฐ๋ ˆ๋„ ์ƒˆ๋กœ ์ƒ์„ฑ(๊ณ ์šฉ)ํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ๊ธฐ์กด์— ๋˜์ ธ์ง„ ์“ฐ๋ ˆ๋“œ๋“ค์ด ๋Œ์•„์™€์„œ ๋‹ค์Œ ์ผ๊ฐ์„ ์ฒ˜๋ฆฌํ•˜๋Ÿฌ ๊ฐ„๋‹ค.

๊ทธ๋Ÿฐ๋ฐ ํŠน์ • ์ผ๋“ค์ด ๋„ˆ๋ฌด ๊ณผํ•˜๋ฉด ๊ธฐ์กด์— ๋˜์ ธ์ง„ ์“ฐ๋ ˆ๋“œ๋“ค์ด ๋Œ์•„์˜ค์ง€ ์•Š๋Š” ๋ฌธ์ œ๊ฐ€ ์žˆ๊ธฐ๋Š” ํ•˜๋‹ค.

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            while(true)
            Console.WriteLine("hello Thread!");
        }
        static void Main(string[] args) 
        {
            ThreadPool.QueueUserWorkItem(MainThread);
        }
    }
}

๊ด€๋ จ ์˜ˆ์ œ

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            for (int i = 0; i < 5; i++)
            {
                Console.WriteLine("hello Thread!");
            }
        }
        static void Main(string[] args)
        {
            ThreadPool.QueueUserWorkItem(MainThread);

            while (true)
            {

            }
        }
    }
}

์‚ฌ์‹ค new thread๋Š” 1000๊ฐœ๊นŒ์ง€ ๋™์‹œ ์ƒ์„ฑ, ๋Œ๋ฆด ์ˆ˜ ์žˆ๋‹ค.(๊ทธ๋Ÿฌ๋‚˜ ์ƒ์„ฑํ•œ ๋ชจ๋“  ์“ฐ๋ ˆ๋“œ๊ฐ€ ์ผํ•˜์ง€ ์•Š์Œ. ๋ถ€ํ•˜๋„ ์ƒ๊ฐํ•˜๋ฉด, ํ˜„์‹ค์ ์ด์ง€ ์•Š๋‹ค)

cpu ์ฝ”์–ด์ˆ˜๋ž‘ ๋งž์ถฐ์ฃผ๋Š”๊ฒŒ best

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            for (int i = 0; i < 5; i++)
            {
                Console.WriteLine("hello Thread!");
            }
        }
        static void Main(string[] args)
        {
            //์“ฐ๋ ˆ๋“œ๋ฅผ ๋ฌด์ž‘์ • ์ƒ์„ฑํ•ด๋‚ด๋Š” ๊ฒƒ์€ ์ตœ์•…์˜ ๊ฒฝ์šฐ์ด๋‹ค.
            for (int i = 0; i <1000; i++)
            {
                Thread t = new Thread(MainThread);
                t.Name = "TestThread";
                //๋ฐฑ๊ทธ๋ผ์šด๋“œ ์“ฐ๋ ˆ๋“œ๋กœ, ์•ž๊ทธ๋ผ์šด๋“œ์—์„œ ๋Œ๋ฆด์ง€ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Œ
                t.IsBackground = true;
                t.Start();
            }
            Console.WriteLine("waiting for thread!");
            //t.Join(); // ๋ฐฑ๊ทธ๋ผ์šด๋“œ๊ฐ€ ๋๋‚  ๋•Œ ๊นŒ์ง€ ๊ธฐ๋‹ค๋ ธ๋‹ค๊ฐ€ ๋‹ค์Œ์ค„๋กœ ๊ฐ€๊ฒ ๋‹ค
            //๋ณ„๋„์˜ ์“ฐ๋ ˆ๋“œ๊ฐ€ ์‹คํ–‰๋จ
            Console.WriteLine("Hello World!");
            while (true)
            {

            }
        }
    }
}

 

 

์“ฐ๋ ˆ๋“œ ์ตœ์†Œ, ์ตœ๋Œ€ ์„ค์ •ํ•ด๋ณด๊ธฐ

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            for (int i = 0; i < 5; i++)
            {
                Console.WriteLine("hello Thread!");
            }
        }
        static void Main(string[] args)
        {
            //์ตœ์†Œ๋Š” 1๊ฐœ์ด๊ณ  ์ตœ๋Œ€๋Š” 5๊ฐœ์ด๋‹ค๋ผ๊ณ  ์„ค์ •ํ•ด์ค€์…ˆ
            ////์ฆ‰ 5๊ฐœ๊ฐ€ ๋‹ค ๋Œ๊ณ ์žˆ์œผ๋ฉด ๋‹ค๋ฅธ ์ผ๊ฐ์ด ๋“ค์–ด์™€๋„
            ///๋”์ด์ƒ ์ง„ํ–‰ํ•  ์ˆ˜ ์—†๋‹ค๋Š” ๋œป
            ThreadPool.SetMinThreads(1, 1);
            ThreadPool.SetMaxThreads(5, 5);
            for (int i = 0; i < 5; i++)
            {
                ThreadPool.QueueUserWorkItem((obj)=> { while (true) { } } );
            }
            ThreadPool.QueueUserWorkItem(MainThread);

            Console.WriteLine("Hello World!");
            while (true)
            {

            }
        }
    }
}

                Console.WriteLine("hello Thread!"); ์‹คํ–‰์ด ์•ˆ๋˜๋Š” ์ด์œ ๋Š” Main ํ•จ์ˆ˜ ์•ˆ์˜ FOR๋ฌธ์ด ์“ฐ๋ ˆ๋“œ๋ฅผ ๋‹ค ๋นผ๊ฐ”๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค. 

using System;
using System.Threading;
using System.Collections.Generic;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            for (int i = 0; i < 5; i++)
            {
                Console.WriteLine("hello Thread!");
            }
        }
        static void Main(string[] args)
        {
            //์ตœ์†Œ๋Š” 1๊ฐœ์ด๊ณ  ์ตœ๋Œ€๋Š” 5๊ฐœ์ด๋‹ค๋ผ๊ณ  ์„ค์ •ํ•ด์ค€์…ˆ
            ////์ฆ‰ 5๊ฐœ๊ฐ€ ๋‹ค ๋Œ๊ณ ์žˆ์œผ๋ฉด ๋‹ค๋ฅธ ์ผ๊ฐ์ด ๋“ค์–ด์™€๋„
            ///๋”์ด์ƒ ์ง„ํ–‰ํ•  ์ˆ˜ ์—†๋‹ค๋Š” ๋œป
            ThreadPool.SetMinThreads(1, 1);
            ThreadPool.SetMaxThreads(5, 5);
            for (int i = 0; i < 4; i++)
            {
                ThreadPool.QueueUserWorkItem((obj)=> { while (true) { } } );
            }
            ThreadPool.QueueUserWorkItem(MainThread);

            Console.WriteLine("Hello World!");
            while (true)
            {

            }
        }
    }
}

for๋ฌธ์„ 4๋ฒˆ๋งŒ ๋Œ๋ฆฌ๋ฉด Console.WriteLine("hello Thread!"); ์‹คํ–‰์ด ์ž˜๋˜๋Š” ๋ชจ์Šต

์“ฐ๋ ˆ๋“œํ’€์˜ ์ผ๊พผ์ด 1๊ฐœ ๋‚จ์€ ์ƒํƒœ์˜€๊ณ  ๊ทธ ์ผ๊พผ์ด ํ—ฌ๋กœ์“ฐ๋ ˆ๋“œ๋ฅผ ์ผํ•˜๋Ÿฌ ๊ฐ”๊ธฐ๋•Œ๋ฌธ์ด๋‹ค.

์ด๋Ÿฐ ์‹์œผ๋กœ ์“ฐ๋ ˆ๋“œํ’€์ด ์ข‹๊ธฐ๋Š” ํ•œ๋ฐ ํŠน์ • ์ž‘์—…๋“ค์ด ์ผ๊พผ๋“ค์„ ๋‹ค ์žก์•„๋†“๊ณ  ์•ˆ ๋†”์ฃผ๋ฉด ์‹œ์Šคํ…œ์ด ๋จนํ†ต์ด ๋  ์ˆ˜ ์žˆ๋‹ค๋Š” ์ ์ด ์œ„ํ—˜ ์š”์†Œ๊ฐ€ ๋œ๋‹ค. 

 

 

์ด๋ฅผ ๊ทน๋ณตํ•˜๋Š” ๋ฐฉ๋ฒ•์ด Task์ด๋‹ค. 

            Task t; ๋Š” 

์ง์›์„ ๊ณ ์šฉํ•œ๋‹ค๋Š” ๋А๋‚Œ๋ณด๋‹ค๋Š” ์ง์›์ด ํ•  ์ผ๊ฐ ๋‹จ์œ„๋ฅผ ํ”„๋กœ๊ทธ๋ž˜๋จธ๊ฐ€ ์ •์˜ํ•˜๊ฒ ๋‹ค๋Š” ๊ฐœ๋…์ด๋‹ค. 

using System;
using System.Threading;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace ServerCore
{
    class Program
    {
        static void MainThread(object state)
        {
            for (int i = 0; i < 5; i++)
            {
                Console.WriteLine("hello Thread!");
            }
        }
        static void Main(string[] args)
        {

            
            //์ตœ์†Œ๋Š” 1๊ฐœ์ด๊ณ  ์ตœ๋Œ€๋Š” 5๊ฐœ์ด๋‹ค๋ผ๊ณ  ์„ค์ •ํ•ด์ค€์…ˆ
            ////์ฆ‰ 5๊ฐœ๊ฐ€ ๋‹ค ๋Œ๊ณ ์žˆ์œผ๋ฉด ๋‹ค๋ฅธ ์ผ๊ฐ์ด ๋“ค์–ด์™€๋„
            ///๋”์ด์ƒ ์ง„ํ–‰ํ•  ์ˆ˜ ์—†๋‹ค๋Š” ๋œป
            ThreadPool.SetMinThreads(1, 1);
            ThreadPool.SetMaxThreads(5, 5);

            for (int i = 0; i < 5; i++)
            {
                                                             //์ด ์ž‘์—…์€ ํŠน์ดํ•˜๋ฏ€๋กœ ๋งค์šฐ ์˜ค๋ž˜๊ฑธ๋ฆด ๊ฒƒ์ด๋‹ค.
                                                             //์ฆ‰ ๊ธฐ์กด ์„ค์ •ํ–ˆ๋˜ ์“ฐ๋ ˆ๋“œํ’€์—์„œ ๋ฝ‘์•„ ์“ฐ์ง€ ์•Š๊ณ 
                                                             //๋ณ„๋„ ์ฒ˜๋ฆฌ๊ฐ€ ๋“ค์–ด๊ฐˆ ๊ฒƒ์ด๋‹ค.
                Task t = new Task(() => { while (true) { } }, TaskCreationOptions.LongRunning);
                t.Start();
            }

            ThreadPool.QueueUserWorkItem(MainThread);

            Console.WriteLine("Hello World!");
            while (true)
            {

            }
        }
    }
}

๋†€๋ž๊ฒŒ๋„ Console.WriteLine("hello Thread!"); ๋ฐ”๋กœ ๋ฐ˜๋ณต๋ฌธ ์‹คํ–‰์ด ๋˜๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค ^^

 

๋ฌผ๋ก  TaskCreationOptions.LongRunning ์ธ์ž๋ฅผ ๋žŒ๋‹ค๋ฌธ ๋‹ค์Œ์œผ๋กœ ์•ˆ ๋„ฃ์—ˆ์œผ๋ฉด ์—ญ์‹œ ์ž‘๋™์ด ์•ˆ๋œ๋‹ค.

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