Re: Return value of finished threads

[Brett Gilio <brettg@posteo.net>]

Tom Tromey writes:

>>>>>> "Brett" == Brett Gilio <brettg@posteo.net> writes:
>
> Brett> I was wondering of this, myself. Is the garbage collector 
> of
> Brett> emacs lisp similar to the Boehm collector style of Guile? 
> Does
> Brett> anybody have any information to pass along on the emacs 
> lisp GC?
>
> The Emacs GC is a fairly ordinary mark/sweep GC.  I'd say it is 
> nearly
> the most straightforward garbage collector you could imagine; or 
> at
> least started that way before features like weak hash maps and
> finalizers were added :)
>
> It is vaguely similar to the Boehm GC.  The Boehm GC is best 
> known for
> doing conservative marking (but it has several modes and isn't 
> limited
> to this); whereas the Emacs GC conservatively marks the stack 
> but not
> the heap.
>
> If you want to learn more about the Emacs GC in particular, 
> alloc.c is
> not that hard to read.  Start with the function 
> garbage_collect_1.
>
> If you need some background in garbage collection in general, 
> the Jones
> & Lins book "Garbage Collection" is very good.
>
> Tom


Thank you Tom, I read through the GC and it is mostly pretty 
straight
forward, with some nice quirks.


-- 
Brett M. Gilio
Free Software Foundation, Member
https://parabola.nu | https://emacs.org