From: Libor Vanek <libor@conet.cz>
To: Bart Samwel <bart@samwel.tk>
Cc: "Richard B. Johnson" <root@chaos.analogic.com>,
linux-kernel@vger.kernel.org
Subject: Re: Read from file fails
Date: Wed, 5 May 2004 12:19:02 +0200 [thread overview]
Message-ID: <20040505101902.GB6979@Loki> (raw)
In-Reply-To: <4098BC2B.4080601@samwel.tk>
> Libor Vanek wrote:
> >OK - how can I "notify" userspace process? Signals are "weak" - I need
> > to send some data (filename etc.) to process. One solution is "on this
> > signal call this syscall and result of this syscall will be data you
> > need" - but I'd prefer to handle this in one "action".
> My first thoughts are to make it a blocking call.
You mean like:
- send signal to user-space process
- wait until user-space process pick ups data (filename etc.), creates copy of file (or whatever) and calls another system call that he's finished
- let kernel to continue syscall I blocked
?
Libor
next prev parent reply other threads:[~2004-05-05 10:19 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
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 [this message]
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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