C#多线程---Mutex类实现线程同步

一、例子

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

namespace ThreadMutex
{
    class Program
    {
        private static Mutex mutex = new Mutex();
        private static int sum = 0;
        static void Main(string[] args)
        {
            Task<int> task = new Task<int>(ThreadFunction);
            task.Start();
            Console.WriteLine($"{DateTime.Now} task started!");
            Thread.Sleep(2000);
            mutex.WaitOne();
            Console.WriteLine($"{DateTime.Now} Get siginal in main!");
            Console.WriteLine($"{DateTime.Now} Result is {task.Result}");
        }
        private static int ThreadFunction()
        {
            mutex.WaitOne();
            for (int i = 0; i < 10; i++)
            {
                sum  += i;
                Thread.Sleep(1000);
            }
            Console.WriteLine($"{DateTime.Now} Release mutex in ThreadFunction!");
            mutex.ReleaseMutex();
        
            return sum;
        }
    }
}

运行结果如下: