* Boehm-Demers-Weiser and ocaml
@ 2009-01-16 14:46 Yitzhak Mandelbaum
2009-01-16 16:00 ` [Caml-list] " Richard Jones
0 siblings, 1 reply; 2+ messages in thread
From: Yitzhak Mandelbaum @ 2009-01-16 14:46 UTC (permalink / raw)
To: caml-list
Hi,
Has anyone tried to interface ocaml code with C libraries which depend
on the BDW garbage collector? If so, are there any pitfalls to be
aware of? Note that I have a fair amount of experience interfacing
with ordinary C code, I've just never tried to do so in the presence
of the BDW gc.
Thanks,
Yitzhak
-----------------------------
Yitzhak Mandelbaum
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Caml-list] Boehm-Demers-Weiser and ocaml
2009-01-16 14:46 Boehm-Demers-Weiser and ocaml Yitzhak Mandelbaum
@ 2009-01-16 16:00 ` Richard Jones
0 siblings, 0 replies; 2+ messages in thread
From: Richard Jones @ 2009-01-16 16:00 UTC (permalink / raw)
To: Yitzhak Mandelbaum; +Cc: caml-list
On Fri, Jan 16, 2009 at 09:46:35AM -0500, Yitzhak Mandelbaum wrote:
> Has anyone tried to interface ocaml code with C libraries which depend
> on the BDW garbage collector? If so, are there any pitfalls to be
> aware of? Note that I have a fair amount of experience interfacing
> with ordinary C code, I've just never tried to do so in the presence
> of the BDW gc.
I haven't so just speculating here ...
Can the BDW collector be told about areas of memory which it must
not examine?
There is a useful macro used inside the OCaml compiled called (IIRC?)
Is_in_heap(ptr) which can tell you if a pointer points to something on
the OCaml heap (ie. something to be ignored).
Rich.
--
Richard Jones
Red Hat
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