C#中使用lock和using语法

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在反编译photon源代码的时候发现的,感到很有趣,以下是反编译并补充完整的代码。

using System;using System.Collections.Generic;using System.Linq;using System.Runtime.InteropServices;using System.Text;using System.Threading;namespace ExitGames.Threading{    [StructLayout(LayoutKind.Sequential)]    public struct Lock : IDisposable    {        private readonly object lockObject;        private Lock(object obj)        {            this.lockObject = obj;            Monitor.TryEnter(obj);        }        private Lock(object obj, int timeout)        {            this.lockObject = obj;            if (!Monitor.TryEnter(obj, timeout))            {                throw new LockTimeoutException();            }        }        public static IDisposable Enter(object syncObject)        {            return new Lock(syncObject);        }        public static IDisposable TryEnter(object syncObject, int millisecondsTimeout)        {            return new Lock(syncObject, millisecondsTimeout);        }        public void Dispose()        {            Monitor.Exit(this.lockObject);        }    }}

然后,去谷歌找啊找,找到这两篇文章。2004年的老外写的,呜呼一下,现在才发现,幸好幸好。标题不知怎样写才好。

http://www.interact-sw.co.uk/iangblog/2004/03/23/locking

http://blogs.msdn.com/b/ericgu/archive/2004/03/24/95743.aspx

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