From: "Mark Shinwell" <mshinwell@janestcapital.com>
To: Raj Bandyopadhyay <rajb@rice.edu>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Segfault in Garbage collector code: any ideas?
Date: Thu, 19 Jun 2008 17:51:31 -0400 [thread overview]
Message-ID: <20080619215131.GM30596@janestcapital.com> (raw)
In-Reply-To: <D94E4621-B7D4-43A3-BD08-0352A32F2122@rice.edu>
On Thu, Jun 19, 2008 at 04:45:27PM -0500, Raj Bandyopadhyay wrote:
> 1) From past experience, this sort of thing seems to occur when
> I forget to use a CAMLparam/local/return macro somewhere. However, I
> have looked over my C code several times and can't find any such
> problem. Is there any other scenario where this sort of segfault can
> occur?
One thing worth checking is that you've used a Store_field statement
rather than attempting to use Field (...) as an lvalue. The latter is
often unsafe (see Rule 6 of "Low-level interface" in the Interfacing C
chapter of the manual).
Mark
prev parent reply other threads:[~2008-06-19 21:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-19 21:45 Raj Bandyopadhyay
2008-06-19 21:51 ` Mark Shinwell [this message]
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