ET介绍——CSharp协程

private static void Main()
        {
            int loopCount = 0;
            while (true)
            {
                int temp = watcherValue;
                
                Thread.Sleep(1);
                
                ++loopCount;
                if (loopCount % 10000 == 0)
                {
                    Console.WriteLine($"loop count: {loopCount}");
                }
            }
        }

// example2_1
    class Program
    {
        private static int loopCount = 0;

        private static void Main()
        {
            OneThreadSynchronizationContext _ = OneThreadSynchronizationContext.Instance;
            
            WaitTimeAsync(5000, WaitTimeFinishCallback);
            
            while (true)
            {
                OneThreadSynchronizationContext.Instance.Update();
                
                Thread.Sleep(1);
                
                ++loopCount;
                if (loopCount % 10000 == 0)
                {
                    Console.WriteLine($"loop count: {loopCount}");
                }
            }
        }

        private static void WaitTimeAsync(int waitTime, Action action)
        {
            Thread thread = new Thread(()=>WaitTime(waitTime, action));
            thread.Start();
        }
        
        private static void WaitTimeFinishCallback()
        {
            Console.WriteLine($"WaitTimeAsync finsih loopCount的值是: {loopCount}");
        }

        /// <summary>
        /// 在另外的线程等待
        /// </summary>
        private static void WaitTime(int waitTime, Action action)
        {
            Thread.Sleep(waitTime);
            
            // 将action扔回主线程执行
            OneThreadSynchronizationContext.Instance.Post((o)=>action(), null);
        }
    }

private static void WaitTimeAsync(int waitTime, Action action)
        {
            Thread thread = new Thread(()=>WaitTime(waitTime, action));
            thread.Start();
        }
        private static void WaitTimeFinishCallback()
        {
            Console.WriteLine($"WaitTimeAsync finsih loopCount的值是: {loopCount}");
            WaitTimeAsync(3000, WaitTimeFinishCallback2);
        }
        
        private static void WaitTimeFinishCallback2()
        {
            Console.WriteLine($"WaitTimeAsync finsih loopCount的值是: {loopCount}");
        }

private static void WaitTimeAsync(int waitTime, Action action)
        {
            Thread thread = new Thread(()=>WaitTime(waitTime, action));
            thread.Start();
        }
        
        private static void WaitTimeFinishCallback()
        {
            Console.WriteLine($"WaitTimeAsync finsih loopCount的值是: {loopCount}");
            WaitTimeAsync(4000, WaitTimeFinishCallback3);
        }
        
        private static void WaitTimeFinishCallback3()
        {
            Console.WriteLine($"WaitTimeAsync finsih loopCount的值是: {loopCount}");
            WaitTimeAsync(3000, WaitTimeFinishCallback2);
        }
        
        private static void WaitTimeFinishCallback2()
        {
            Console.WriteLine($"WaitTimeAsync finsih loopCount的值是: {loopCount}");
        }