Re: Collecting markers with MPS

[Gerd Möllmann]

Eli Zaretskii <eliz@gnu.org> writes:

>> Yes, but only the programmers know which markers they no longer need.
>
> Sorry, I don't follow: how does the old GC detect dead markers?  Why
> cannot a function we write do the same?

IIRC, the existing GC doesn't process the lists until all other marking
has been done. If a marker is not GC-marked then, we know that there are
no references than from the lists.