Thread Local Storage 예시

namespace ServerCore
{
    internal class Program
    {

        static ThreadLocal<string> ThreadId = new ThreadLocal<string>();

        static void WhoamI()
        {
            ThreadId.Value = $"My Name is {Thread.CurrentThread.ManagedThreadId}";

            Thread.Sleep(100);

            Console.WriteLine($"다른 스레드 영향 주는지 확인.  진짜 id:{Thread.CurrentThread.ManagedThreadId}   tls id: {ThreadId.Value}");
        }
        static void Main(string[] args)
        {

            Parallel.Invoke(WhoamI, WhoamI, WhoamI, WhoamI, WhoamI, WhoamI, WhoamI);

        }
    }
}

 

 

 

namespace ServerCore
{
    internal class Program
    {
        // ThreadName이 세팅 안되었으면 넣어주고 아니면 원래 있던 값 그대로 사용
        static ThreadLocal<string> ThreadId = new ThreadLocal<string>(() => { return $"My Name is {Thread.CurrentThread.ManagedThreadId}"; });

        static void WhoamI()
        {
            // 이미 value가 세팅 되었는지 확인
            bool repeated = ThreadId.IsValueCreated;

            if(repeated)
                Console.WriteLine($"{ThreadId.Value} is repeated");
            else
                Console.WriteLine(ThreadId.Value);
            
        }
        static void Main(string[] args)
        {
            ThreadPool.SetMinThreads(1, 1);
            ThreadPool.SetMaxThreads(3, 3);

            Parallel.Invoke(WhoamI, WhoamI, WhoamI, WhoamI, WhoamI, WhoamI, WhoamI);

        }
    }
}