Date: Mon, 02 Mar 2009 15:53:27 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: Michael Sperber <sperber@deinprogramm.de> Cc: Kostik Belousov <kostikbel@gmail.com>, freebsd-stable@freebsd.org Subject: Re: devd question Message-ID: <49ABE4D7.1060403@icyb.net.ua> In-Reply-To: <y9l63isav8g.fsf@deinprogramm.de> References: <y9lljrq1z89.fsf@deinprogramm.de> <20090228143453.GX41617@deviant.kiev.zoral.com.ua> <49ABDDE2.6090402@icyb.net.ua> <y9l63isav8g.fsf@deinprogramm.de>
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on 02/03/2009 15:51 Michael Sperber said the following:
> Andriy Gapon <avg@icyb.net.ua> writes:
>
>> on 28/02/2009 16:34 Kostik Belousov said the following:
>>> On Sat, Feb 28, 2009 at 02:13:10PM +0100, Michael Sperber wrote:
>>>> I'm trying to make devd run an stty command whenever a USB serial device
>>>> is attached. Unfortunately, $device-name is ucom[0-9] and the device
>>>> names are /dev/cuaU[0-9] - how do I get the correct name in the device
>>>> action? I haven't found a way to extract the number by itself, so I'm
>>>> stuck with specifying a separate rule for each number, like so:
>>>>
>>>> attach 100 {
>>>> device-name "ucom0";
>>>> action "stty -f /dev/cuaU0.init raw";
>>>> };
>>>>
>>>> Help would be much appreciated!
>>> There are some other notifications that are send through devctl when
>>> cdev is created. They have system set to DEVFS, subsystem to CDEV,
>>> and type CREATE. The data is the /dev node name. I am not sure how
>>> to assign the action in the devd.
>> A tested example:
>> notify 1000 {
>> match "system" "DEVFS";
>> match "subsystem" "CDEV";
>> match "cdev" "^da[0-9]+$";
>> action "echo 't120o3l32 b>c+f+16' > /dev/speaker";
>> };
>
> I'm probably not understanding this---but how is the device number
> transferred from the "cdev" match to the "action" line?
You don't need to, you can use /dev/$cdev in action line.
--
Andriy Gapon
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