collectNoStack should be axed

[Dmitry Olshansky]

On Sunday, 21 April 2024 at 19:28:11 UTC, Steven Schveighoffer 
wrote:
> So I am helping to add a new GC to dlang, and one thing I have 
> run into is that all correctly-written GC implementations must 
> implement the function `collectNoStack`.

Great to hear that something is coming in the GC land.

> I did a PR to just see what happens when we do a full scan 
> instead of the "no stack" scan, and the results are pretty 
> positive. I'm going to update the PR to really remove all the 
> tentacles of the "nostack" variable, but I wanted to bring this 
> story to light because it's too long and bizarre to explain in 
> the notes of a PR.
>
> https://github.com/dlang/dmd/pull/16401
>
> If there are any good reasons why we should have this, or I got 
> something wrong, please let me know!

As you've found it - to run finalizers on everything that might 
be still referenced by the main thread. For the unwashed masses 
that expect finalizers to run at shutdown.

--
Dmitry Olshansky
CEO @ Glowlabs
https://olshansky.me