首次提交：添加src文件夹代码

Cowain.Bake.Common/Core/MessageEventWaitHandle.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Cowain.Bake.Common.Core
+{
+    public class MessageEventWaitHandle<T> : EventWaitHandle
+    {
+        private T message;
+        private readonly object lockEvent = new object();//定义锁
+        public MessageEventWaitHandle(bool initialState, EventResetMode mode)
+         : base(initialState, mode)
+        {
+        }
+
+        public bool Set(T message)
+        {
+            //lock (lockEvent)
+            {
+                this.message = message;
+                return base.Set();
+            }
+
+        }
+
+        public T GetMessage(int timeOut)
+        {
+            //lock (lockEvent)//因为这里锁住了，set给不了信号
+            {
+                if (!base.WaitOne(timeOut)) //为假超时
+                {
+                    base.Reset();
+                    return default(T);
+                }
+                else
+                {
+                    base.Reset();
+                    return this.message;
+                }
+            }
+        }
+    }
+}