Re: [RFA 2/2][master only] gdb/windows-nat.c: Get rid of main_thread_id global

[Eli Zaretskii <eliz@gnu.org>]

> Date: Wed, 17 Apr 2019 15:17:29 -0700
> From: Joel Brobecker <brobecker@adacore.com>
> Cc: gdb-patches@sourceware.org
> 
> Personally, I feel the other way, especially since we always get
> all sorts of random temporary thread notifications polutting the
> output, that I don't mind the extra notification. And that way,
> I know when each thread is actually terminated, and with what
> error code.
> 
> But if you and others feel differently, I can switch my approach:
> 
>   - patch #1 (master+8.3): Just fix the crash, and nothing more.
> 
>         This means that, on 8.3, thread creation and exit notifications
>         can be slightly off; this is considered an acceptable known
>         problem, and is not a regression.
> 
>         This is actually what we've put in AdaCore's GDB as a first
>         step to see we had any issue after that, and we did not.
> 
>   - patch #2 (master only): Remove uses of the global
> 
>         But we keep the filtering of the "main" thread. We still
>         the known problem that the thread-exit notifications might
>         be silenced for the wrong thread. Not a regression.
> 
>   - patch #3 (master only): Tag the main thread, and silence
>     the thread-exit notification of the thread that got tagged.
>     Depending on the implementation, this patch would potentially
>     be acceptable for 8.3, but might need extra work to apply.
>     I think we've had enough problems with 8.3 as it is, I don't
>     want to add more things to do, so I vote OUT for 8.3.
> 
> I don't think I have time for that before the weekend or next week,
> though.

Mine is just one opinion.  I think we should solicit opinions from
others before you invest all that effort.  If I'm the only one who is
bothered by your original proposal, I think you should go ahead and
push it.

Thanks.