devd question

[Andriy Gapon]

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";
};

-- 
Andriy Gapon