From: Pip Cet <pipcet@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
Subject: Re: master d582356: * src/fns.c (Frandom): Handle bignum `limit`s
Date: Sun, 7 Mar 2021 17:23:04 +0000 [thread overview]
Message-ID: <CAOqdjBfBcn_Kxsj6GdEvwfdJAg2ut7EgZDF0t-v4EH6VWrnqcQ@mail.gmail.com> (raw)
In-Reply-To: <837dmjt2e2.fsf@gnu.org>
On Sun, Mar 7, 2021 at 3:22 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > From: Pip Cet <pipcet@gmail.com>
> > Date: Sun, 7 Mar 2021 14:21:51 +0000
> > Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
> >
> > > > > I don't think I understand how will we know which function says it
> > > > > never calls GC.
> > > >
> > > > By tagging it in the source code?
> > >
> > > How do you know which functions to tag?
> >
> > That's the part I wasn't volunteering for :-) We'd have to do that
> > manually, but we wouldn't have to do it all at once.
> I don't see how we can do that, without some methodical procedure.
Incrementally? I say it might be worth a try, as long as it doesn't go
the GCPRO route. If it does, let's delete it again.
> > But usually there will already be a comment in those functions
> > explaining that they must not call GC, right?
> No, I think these are rare exceptions rather than the rule.
So we can cover these rare exceptions, at least, converting an
ambiguous and hard-to-grep comment into an unambiguous macro
invocation? I don't really see the cons, though it's not as great as
automatic tagging of functions would be...
Pip
next prev parent reply other threads:[~2021-03-07 17:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210305170955.27732.27579@vcs0.savannah.gnu.org>
[not found] ` <20210305170957.AF99920E1B@vcs0.savannah.gnu.org>
2021-03-05 19:42 ` master d582356: * src/fns.c (Frandom): Handle bignum `limit`s Pip Cet
2021-03-05 19:56 ` Stefan Monnier
2021-03-05 20:13 ` Pip Cet
2021-03-05 20:34 ` Stefan Monnier
2021-03-06 7:42 ` Pip Cet
2021-03-06 8:44 ` Eli Zaretskii
2021-03-06 9:44 ` Pip Cet
2021-03-06 10:56 ` Eli Zaretskii
2021-03-06 13:22 ` Pip Cet
2021-03-06 14:45 ` Eli Zaretskii
2021-03-07 13:27 ` Pip Cet
2021-03-07 14:04 ` Eli Zaretskii
2021-03-07 14:21 ` Pip Cet
2021-03-07 15:22 ` Eli Zaretskii
2021-03-07 17:23 ` Pip Cet [this message]
2021-03-07 17:47 ` Eli Zaretskii
2021-03-07 18:37 ` Stefan Monnier
2021-03-07 19:54 ` Andrea Corallo via Emacs development discussions.
2021-03-07 19:55 ` Pip Cet
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