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防止或禁止使用Parallel.ForEach

[英]Prevent or forbid use of Parallel.ForEach

原文 2012-05-03 02:40:39 1 2 c#/ c#-4.0/ parallel-processing/ parallel.foreach

I wrote a library on top of System.Data.SQLite and realized it (my library) has unpredictable behaviour when using Parallel.ForEach . 我在System.Data.SQLite之上编写了一个库，并意识到使用Parallel.ForEach时该库（我的库）具有不可预测的行为。 I might debug this eventually (ie if I get/take the time), most likely by locking the right parts, but for now let's say I want to just prevent usage of Parallel.ForEach , or force usage of my library to allow (or result in) only a single thread, how would I proceed? 我可能最终会对此进行调试（即，如果我花时间/花点时间），很可能是通过锁定正确的部分来进行的，但是现在让我们说，我只是想防止使用Parallel.ForEach ，或强制使用我的库以允许（或结果）只有一个线程，我将如何进行？

2 个解决方案

You can't control how your API is consumed by external code. 您无法控制外部代码如何使用您的API。 If it's something you absolutely cannot address prior to release, it would be a good idea to be very explicit about failure cases in your documentation (both XML comments and any sort of "help file"). 如果您在发布之前绝对无法解决此问题，那么最好在文档中明确说明失败案例（包括XML注释和任何形式的“帮助文件”）。

A few quick threadstatic attributes might solve your concurrency problem, but this smells like the tip of a much larger iceberg. 一些快速的线程静态属性可能会解决您的并发问题，但这闻起来像是更大的冰山一角。 Fix the root cause, not the symptom. 解决根本原因，而不是症状。