Heap allocation in the RTS

[David Feuer]

If it returns NULL, then I need to back off what I'm doing and trigger a
GC. How do I do the latter?

On Thu, Sep 20, 2018, 5:31 AM Ömer Sinan Ağacan <omeragacan at gmail.com>
wrote:

> allocateMightFail does the heap check for you and returns NULL. For the
> current
> capability you can use MyCapability() in Cmm and pass the value to the RTS
> function you're implementing.
>
> Ömer
>
> David Feuer <david.feuer at gmail.com>, 20 Eyl 2018 Per, 12:26 tarihinde
> şunu yazdı:
> >
> > Aha! Okay. How do I get the current capability to pass to that? I guess
> I should probably perform a heap check before calling lookupSta bleName for
> simplicity, at least to start.
> >
> > On Thu, Sep 20, 2018, 5:16 AM Ömer Sinan Ağacan <omeragacan at gmail.com>
> wrote:
> >>
> >> Have you seen Storage.c:allocateMightFail ?
> >>
> >> Ömer
> >>
> >>
> >> David Feuer <david.feuer at gmail.com>, 20 Eyl 2018 Per, 11:32 tarihinde
> >> şunu yazdı:
> >> >
> >> > I'm working on re-implementing the stable name system. For the new
> design, it seems much cleaner to allocate stable names in lookupStableName
> (in rts/StableName.c) rather than in the C-- code that calls it. But I
> haven't seen RTS code that does heap allocation. Is it possible? If so, how
> do I do it?
> >> > _______________________________________________
> >> > ghc-devs mailing list
> >> > ghc-devs at haskell.org
> >> > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/ghc-devs/attachments/20180920/f39bd45a/attachment.html>