[Lldb-commits] [lldb] Avoid stalls when MainLoop::Interrupt fails to wake up the MainLoop (PR #164905)

[via lldb-commits]

jimingham wrote:

> Note the buildbot [lldb-x86_64-win](https://lab.llvm.org/buildbot/#/builders/211/builds/3253) is broken after this patch. Please fix ASAP.
> 
> ```
>   File "C:\buildbot\as-builder-10\lldb-x86-64\llvm-project\lldb\packages\Python\lldbsuite\test\dotest.py", line 659, in visit_file
>     module = __import__(base)
>              ^^^^^^^^^^^^^^^^
>   File "C:\buildbot\as-builder-10\lldb-x86-64\llvm-project\lldb\test\API\driver\stdio_closed\TestDriverWithClosedSTDIO.py", line 11, in <module>
>     import fcntl
> ModuleNotFoundError: No module named 'fcntl'
> ```
> 
> The fcntl module is not available on Windows. Add `@skipIf(oslist=["windows"])`.

 https://github.com/jimingham/from-apple-llvm-project/pull/new/no-fcntl-on-windows

It's okay to apply this sort of fix yourself if you know the reason for it...

https://github.com/llvm/llvm-project/pull/164905