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
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