From: "Bauer, Christoph" <Christoph.Bauer@lms-gmbh.de>
To: caml-list@inria.fr
Subject: Bigarray.*.map_file
Date: Wed, 14 Sep 2005 15:43:06 +0200 [thread overview]
Message-ID: <26EB47FDD566A7469FC862DAF373792F07D5E0@kaiserslautern1.lmsintl.com> (raw)
Hi,
Bigarray.Genarray.map_file uses mmap to "read" a file. How can
I specify an offset in the file (like the offset parameter in mmap)?
Unix.lseek doesn't help me.
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.
Thanks,
Christoph Bauer
Dipl. Inf.
LMS Deutschland GmbH
Luxemburgerstr. 7
D-67657 Kaiserslautern
T +49 631 303 22 152
mailto:Christoph.Bauer@lms-gmbh.de
http://www.lmsintl.com
next reply other threads:[~2005-09-14 13:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-14 13:43 Bauer, Christoph [this message]
2005-09-14 14:07 ` [Caml-list] Bigarray.*.map_file Olivier Andrieu
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