caml-list - the Caml user's mailing list
 help / color / mirror / Atom feed
From: Erik de Castro Lopo <mle+ocaml@mega-nerd.com>
To: caml-list@inria.fr
Subject: C wrappers and callbacks from Ocaml to C and back to Ocaml
Date: Fri, 7 Aug 2009 07:17:31 +1000	[thread overview]
Message-ID: <20090807071731.bfd0d34b.mle+ocaml@mega-nerd.com> (raw)

Hi all,

I'm wrapping some C code that requires me to define a struct in Ocaml
like this:

    type xt = { f : xt -> a }

and then pass the struct to C which stores it, and later the C needs
to find function f, call it from C, passing it the Ocaml xt struct.

Anyone have any clues on how to do this? I have most of the rest of
the C wrapper sorted out,  its just this thats causing me any difficulty.

Cheers,
Erik
-- 
----------------------------------------------------------------------
Erik de Castro Lopo
http://www.mega-nerd.com/


             reply	other threads:[~2009-08-06 21:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-06 21:17 Erik de Castro Lopo [this message]
2009-08-06 23:38 ` [Caml-list] " Goswin von Brederlow
2009-08-07  4:23   ` Erik de Castro Lopo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20090807071731.bfd0d34b.mle+ocaml@mega-nerd.com \
    --to=mle+ocaml@mega-nerd.com \
    --cc=caml-list@inria.fr \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).