From: Libor Vanek <libor@conet.cz>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Read from file fails
Date: Wed, 5 May 2004 12:34:20 +0200 [thread overview]
Message-ID: <20040505103420.GA7174@Loki> (raw)
In-Reply-To: <Pine.LNX.4.53.0405040947070.13706@chaos>
On Tue, May 04, 2004 at 09:49:06AM -0400, Richard B. Johnson wrote:
> On Tue, 4 May 2004, Libor Vanek wrote:
>
> [SNIPPED...all]
>
> Did you catch this information? If all you want to do is to
> make a new version of a file, owned by the person who accesses the file
> (like VAX/VMS), then you trap open with O_RDWR or O_CREAT or O_TRUNC
> and make a copy with a numeral appended like: filename.typ;2.
Something like this (only make this copy in another directory)
> You do this by making a shared object that does what you want.
> The total affect upon user-mode code is a delayed (slow) open().
Yeah - I'm now studying how to communicate between kernel and user space (can't find out how to send data FROM ks TO us). What did you mean by "shared object"?
--
Libor Vanek
next prev parent reply other threads:[~2004-05-05 10:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-03 0:00 Read from file fails Libor Vanek
2004-05-03 13:11 ` Richard B. Johnson
2004-05-03 15:06 ` Libor Vanek
2004-05-04 0:47 ` Richard B. Johnson
2004-05-04 1:19 ` Libor Vanek
2004-05-04 13:49 ` Richard B. Johnson
2004-05-05 10:34 ` Libor Vanek [this message]
2004-05-04 14:31 ` Bart Samwel
2004-05-05 9:54 ` Libor Vanek
2004-05-05 10:04 ` Bart Samwel
2004-05-05 10:19 ` Libor Vanek
2004-05-05 10:45 ` Bart Samwel
2004-05-05 11:22 ` Libor Vanek
2004-05-05 11:50 ` Bart Samwel
2004-05-05 10:54 ` Denis Vlasenko
2004-05-05 11:58 ` Michael Clark
2004-05-04 18:45 ` Paulo Marques
2004-05-05 9:47 ` Libor Vanek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040505103420.GA7174@Loki \
--to=libor@conet.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=root@chaos.analogic.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.