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           1. Lock(object) ¶ÔÐèҪͬ²½µÄ´úÂë¿é¼ÓËø£»
¡¡¡¡¡¡¡¡2. Monitor Class
¡¡¡¡¡¡¡¡3. ReaderWriterLock Class¡¡¡¡¡¡
           4. Mutex Class
           5. Semaphore
           6. Event
      Õâ´ÎÎÒÖ÷Ҫ˵һÏ Lock ºÍ Monitor¡£¶ÔÓÚLock Ïë±ØÓÐÒ»¶¨¶àÏ̱߳à³Ì¾­ÑéµÄ³ÌÐòÔ±¶¼»áºÜÊìϤ£¬¿´Ãû×Ö¾ÍÖªµÀ´ó¸ÅÊÇʲôÒâ˼ÁË¡£Lock ¾ÍÊÇÒ»°ÑËø£¬¾Ù¸öºÜ²»ÑŵÃÀý×Ó¡£±ÈÈç˵ÎÒÃÇÈ¥ÉÏWC£¬µ±Äã½øÈ¥ºó¾ÍÒª°ÑÃÅËø×¡£¬ºóÀ´µÄÈËÖ»ÄܵÈÄã·½±ãÍêÁ˲ÅÄܽøÈ¥¡£
private string lockFlag = "LOCK";
        public void GoWC(Person p)
        {
            lock (lockFlag)
            {
                Console.WriteLine("Begin");
                  Console.WriteLine("End");
            }
        }
   LockʹÓÃÆðÀ´·Ç³£·½±ã£¬ÓÐÒ»µãÐèҪעÒâ¾ÍÊÇÄãͬ²½µÄ¶ÔÏó×îºÃÊÇprivate»òprivate static£¬ÒòΪÈç¹ûÕâ¸öͬ²½¶ÔÏóÊÇpublic»òinternal,¾ÍÓпÉÄܱ»ÆäËû³ÌÐòÖÐÆäËû²¿·ÖµÄ´úÂë»ñµÃ£¬ÕâÑùµÄ»°ÄãµÄlock¾ÍʧȥµÄ×÷Óã¬Ò²¾ÍÊÇ˵Õâ¸öWCµÄÔ¿³×Ö»ÄÜÓÐÒ»°Ñ£¬Ö»ÓнøÁËWCµÄÈ˲ÅÄÜ»ñµÃ£¬ÆäËûµÈ´ýµÄÈËÊÇûÓа취»ñµÃµÄ¡£
¡¡¡¡ÁíÒ»¸ö³£ÓõĽâ¾ö·½°¸ÊÇʹÓÃMonitor class¡£ monitor class ºÍlockÆäʵ±¾ÉíûÓÐÊ²Ã´Çø±ð£¬ÕâÄÑÃâ»áÈÃÈ˾õµÃ·Ñ½â£¬Æäʵ²»È»¡£¶ÔÓÚʹÓÃlock¹Ø¼ü×ÖÀ´Ëµ¾­³£»á·¢ÉúÒ»ÖÖÈÃÈ˷dz£ÓôÃÆµÄÊÂÇé“Deadlock”,µ±personAÓµÓÐr


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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace ½«Ã¶¾Ù×÷Ϊ¼üÖµµÄÐÎʽ´æ´¢
{
    enum Myenum
    {
       First=3,
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