incident kernel object, the key code of (critical) explanations, and the multi

代码说明：

事件内核对象、关键代码段（临界区）的讲解，以及在多线程同步中的应用。在Windows下编写基于消息的网络应用程序，掌握阻塞与非阻塞网络程序的编写，理解在Windows平台下，采用异步选择机制可以提高网络应用程序的性能。-incident kernel object, the key code of (critical) explanations, and the multi-thread synchronization application. In the preparation of Windows-based news network applications, master obstruction and nonobstructive network program, understanding of the Windows platform, using asynchronous selection mechanism can improve network application performance.