From: "Christoph Höger" <christoph.hoeger@tu-berlin.de>
To: caml users <caml-list@inria.fr>
Subject: Re: [Caml-list] Garbage collector woes
Date: Mon, 4 Jul 2016 19:06:11 +0200 [thread overview]
Message-ID: <8ff1d18d-581a-0269-fb0d-5bc70a1a9acd@tu-berlin.de> (raw)
In-Reply-To: <CAAxsn=HE-DsnuFDvsm7cK+m3d8i96kYG=Dhe6rohvn5DUFt+Fg@mail.gmail.com>
Am 04.07.2016 um 18:21 schrieb Jeremy Yallop:
> I'm guessing that 'desc' points to a block and N, MFIT and ICONV are
> field accessors.
That is correct. N, MFIT and ICONV are macros defined as Field(.., ..).
> If so, you need to register 'desc' as a root here, since
> caml_copy_double or caml_ba_alloc_dims could trigger a gc, moving desc
> before it's next used.
By registering as a root you mean to also declare it via CAMLlocal? Is
this necessary/appropriate, since &desc is already a registered global root.
Do you have any clue how that moving of desc could trigger the
overwriting of x and cond?
> It's probably also better not to call your exported function 'iconv',
> since there's a POSIX function of that name.
Good to know. I am merely implementing an API here, so these names
aren't mine ;).
--
Christoph Höger
Technische Universität Berlin
Fakultät IV - Elektrotechnik und Informatik
Übersetzerbau und Programmiersprachen
Sekr. TEL12-2, Ernst-Reuter-Platz 7, 10587 Berlin
Tel.: +49 (30) 314-24890
E-Mail: christoph.hoeger@tu-berlin.de
next prev parent reply other threads:[~2016-07-04 17:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-04 16:04 Christoph Höger
2016-07-04 16:21 ` Jeremy Yallop
2016-07-04 17:06 ` Christoph Höger [this message]
2016-07-04 17:44 ` Jeremy Yallop
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