C# 多线程锁，写入文件防止被其他线程占用，ReaderWriterLockSlim 使用

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApp4
{
    class Program
    {
        static void Main(string[] args)
        {
            Writle();
            Writle();
            Writle();
            Writle();
            Writle();
        }

        static ReaderWriterLockSlim sucessLogWriteLockSlim = new ReaderWriterLockSlim();
        static void Writle()
        {
            try
            {
                sucessLogWriteLockSlim.EnterWriteLock();
                File.AppendAllText(@"D:\Sucess.txt", string.Format("{0}", DateTime.Now.ToString()));
            }
            catch
            {
                throw;
            }
            finally
            {
                sucessLogWriteLockSlim.ExitWriteLock();
            }
        }
    }
}