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Visual Studio可以调试诸如WinDBG之类的子进程吗？

分类: 技术问答 • 2022-07-17 14:41:00
问题描述：

这与此问题类似，但我想要把它弄脏一点。 （我是新来的，如果我应该改为对上一个问题做一个碰撞的答案，请让我知道。）

This is similar to this question, but I wanted to flesh it out a bit. (I'm new here, if I should instead do a "bump" answer on the previous question instead, please let me know.)

在WinDBG中，我可以使用code> .childdbg 1 命令告诉它在子进程生成时中断，或者我可以使用 -o 命令行选项。这在某些情况下非常有用，所以令人惊讶的是（据我所见）Visual Studio不支持它。看起来应该很清楚CreateProcess（）上的 DEBUG_PROCESS_ONLY_THIS_PROCESS 标志，VS已经支持调试多个进程。

In WinDBG, I can use the .childdbg 1 command to tell it to break when a child process is spawned, or I can launch it with the -o command-line option. This is very useful in some situations, so it's surprising that (as far as I can see) Visual Studio doesn't support it. It seems like it ought to be pretty easy to clear the DEBUG_PROCESS_ONLY_THIS_PROCESS flag on CreateProcess(), and VS already supports debugging multiple processes.

所以，我在Visual Studio中缺少一些选项来启用此功能？如果没有，是否有技术理由为什么他们选择不支持它？

So, am I missing some option in Visual Studio to enable this? If not, is there a technical rationale for why they have chosen not to support it?

答

不可能（AFAIK，任何许多其他...），但您有几种解决方法：

Not possible (AFAIK, any many others...) but you have several workarounds:


  1. 使用此宏，它来自需要处理大量子进程调试的Chrome小组。

  2. 将您的子进程放在图像执行选项上，以便它们将在调试器中自动打开。然后选择当前活动的Visual Studio实例。

  1. Use this macro, it comes from the Chrome team which need to deal with a lot of child processes debugging.
  2. Put your child process on Image Execution Options so that they will automatclly open in a debugger. Then select the current active instance of Visual Studio.

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