From: "Bauer, Christoph" <Christoph.Bauer@lms-gmbh.de>
To: "'Olivier Andrieu'" <andrieu@ijm.jussieu.fr>,
"Bauer, Christoph" <Christoph.Bauer@lms-gmbh.de>
Cc: caml-list@inria.fr
Subject: AW: [Caml-list] Bigarray.*.map_file
Date: Wed, 14 Sep 2005 16:16:23 +0200 [thread overview]
Message-ID: <26EB47FDD566A7469FC862DAF373792F07D5E1@kaiserslautern1.lmsintl.com> (raw)
Hi,
thanks for the fast reply.
> You can't: mmap is called with offset 0 (see
> otherlibs/bigarray/mmap_unix.c).
This isn't nice for huge files (>2G) :-(
But I guess I could write my own C-funktion for that.
>
> > How can I do an munmap? I ask because of these lines from
> the man-page:
> >
> > The munmap system call deletes the mappings for the speci-
> > fied address range, and causes further references to
> > addresses within the range to generate invalid memory ref-
> > erences. The region is also automatically unmapped when
> > the process is terminated. On the other hand, closing the
> > file descriptor does not unmap the region.
>
> unmap() is called when the bigarray is collected by the GC.
Ok.
Best regards,
Christoph
reply other threads:[~2005-09-14 14:16 UTC|newest]
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