linux-kernel - Re: Ordering hotplug scripts vs. udev device node creation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 24 Oct 2006 06:45:38 +0400
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	linux-hotplug-devel@...ts.sourceforge.net
Cc:	"Aaron Cohen" <aaron@...onance.org>, linux-kernel@...r.kernel.org
Subject: Re: Ordering hotplug scripts vs. udev device node creation

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Monday 23 October 2006 23:26, Aaron Cohen wrote:
> Adding a USB device seems to work correctly (more or less, my script
> is invoked a few too many times but I think I can figure out how to
> adjust my rule) using this.  I'm having trouble now with removal
> though.  By the time my script runs the device file has been removed
> by udev and I can't look it up through udevinfo any longer.  I need to
> know what the name of the device file was so I can tell gpsd to stop
> monitoring it.
>
> Any ideas?

udev sets DEVNAME and DEVLINKS environment before calling RUN program. You can 
either pass them directly like

RUN+="/your/program env{DEVNAME} env{DEVLINKS}"

or your program can get them from environment. It unfortunately seems to be 
not documented.

HTH

- -andrey
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (GNU/Linux)

iD8DBQFFPX5YR6LMutpd94wRAsDrAJ92kOTrofNo3kg/5xW0C6bzm5TlDACg0/NG
K4R+tBQzCHJSN+XW5WBPghE=
=ZIet
-----END PGP SIGNATURE-----
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/