From: "Warp" <warplayer@free.fr>
To: "OCaml" <caml-list@inria.fr>
Subject: [Caml-list] Tuple copy
Date: Tue, 5 Mar 2002 19:59:58 +0100 [thread overview]
Message-ID: <008c01c1c477$f2a9ef60$3000a8c0@warp> (raw)
Hi all
I got the following question : I have a type MSG wich is allocated using
alloc_tuple(3) , and contains one Int and two Int32.
Sometimes, the second Int32 is a C pointer, so I managed to garbage it by
allocating sometimes MSG using alloc_tuple(4) and then storing a custom
block in the fourth block (this custom block hold the C pointer, and will
free() it when garbaged - the C pointer is also stored as an Int32 in the
MSG to enable its access by C API ). So for the same type MSG, i'm mixing
tuple of different sizes.
Does this can cause problems ?
Does my custom_block can be garbaged before the MSG ( when let - storing the
MSG for further use ) ?
Does my ocaml-side MSG type needs to have 4 fields ?
Thanks a lot for any help
Nicolas Cannasse
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next reply other threads:[~2002-03-05 19:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-05 18:59 Warp [this message]
2002-03-06 10:54 ` Xavier Leroy
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