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Re: tools to make non-conservative GC feasible.
"Perry E. Metzger" <firstname.lastname@example.org> writes:
> Jim Blandy writes:
> > This is basically what Emacs does. I found that we frequently forgot
> > to do the equivalent of s_defGc when it was necessary. In your
> > example, it's easy to see that rtn->length is protected, since rtn is
> > protected, but when the function is doing something more complicated
> > (walking and editing a tree), it got harder.
> > Don't get me wrong --- it feels nice and simple to me, too. But it is
> > a fact that I made a lot of mistakes. Stallman did too.
> The reason we like "conservative collectors" is because we can be lazy
> while programming and not worry about what does and doesn't have to be
> visible to the collector.
I thought the reason we liked conservative collectors is that they
work even when interacting with arbitrary C code.
Harvey J. Stein
BFM Financial Research
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