在.NET中不同的线程之间共享列表 [英] List shared between different threads in .NET

问题描述

我在一个类中的静态列表，将通过不同的线程访问，每一个加入，读，从列表中删除了自己独特的项目。我想知道有没有担心做这个变量的线程安全的，因为即使同一个列表对象线程之间共享，他们只能修改自己独特的项目

I have a static List in a class that will be accessed by different threads, each one adding, reading and removing its own unique item from the list. I would like to know if I have to worry about making this variable thread safe, as even though the same List object is shared between threads, they only modify their own unique items

推荐答案

您肯定要执行或者通过的锁定或通过如<一href="http://msdn.microsoft.com/en-us/library/system.threading.readerwriterlockslim.aspx">ReaderWriterLockSlim.

You definitely have to implement thread-safe access either via lock or via e.g. ReaderWriterLockSlim.

变量本身（名单＆LT;>）是线程安全的，如果你不是第一次分配后修改它（通过新的），但元素访问必须是线程安全的（因为你说你添加/删除从列表中的元素，因此改变其状态）

Variable itself (List<>) is thread-safe if you not modifies it after first allocation (via new) but element access have to be thread-safe (since you say you adding/removing elements from list hence changing its state)

顺便说一句，如果线程修改了自己的项目，你为什么要分享？所以，你已经实现了？为什么组织这样？也许，如果你表现出的细节有更好的提醒。

BTW, if threads modifies its own items why you want to share them? So what you have implemented? Why you organize this way? Maybe there are better advise if you show details.

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