Force backend support non-blocking mode ? I don't think
it's a good idea. These work will be done more easily in
frontend than backend.
----- Original Message -----
From: <sane-devel-request lists.alioth.debian.org>
To: <sane-devellists.alioth.debian.org>
Sent: Monday, October 30, 2006 8:42 PM
Subject: sane-devel Digest, Vol 16, Issue 34
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> 1. Neither get_select_fd() nor non-blocking
(astrandcendio.se)
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------------------------------------------------------------
----------
>
> Message: 1
> Date: Mon, 30 Oct 2006 08:51:07 +0100 (CET)
> From: astrandcendio.se
> Subject: [sane-devel] Neither get_select_fd() nor
non-blocking
> To: sane-devellists.alioth.debian.org
> Message-ID: <Pine.LNX.4.64.0610300842180.7290maggie.lkpg.cendio.se>
> Content-Type: text/plain; charset="utf-8"
>
>
> I've realized that backends might not provide neither a
file descriptor
> for select() nor non-blocking mode. Why is this
allowed? I guess this
> means that applications, such as xsane, must use a
separate thread or
> process to read the data? IMHO, this puts a lot of
unnecessary burden on
> the application programmer. How common is it with
backends with neither a
> select FD nor non-blocking mode? How about adjusting
the standard so that
> backends must at least support one of these?
>
> Regards,
> --
> Peter Ã.strand ThinLinc Chief Developer
> Cendio AB http://www.cendio.se
> Teknikringen 3
> 583 30 Linköping Phone: +46-13-21 46 00
>
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> End of sane-devel Digest, Vol 16, Issue 34
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