Re: problem with PROGRAM

[Aras Vaichas <arasv@magellan-technology.com>]

Kay Sievers wrote:
> On Wed, Nov 30, 2005 at 10:43:30AM -0600, linas wrote:
>>I am guessing/hoping that quotes are escaped, so that the 
>>following might work:
>>
>>ACTION="remove", PHYSDEVDRIVER="usbnet", PROGRAM="/bin/sh -c \"/usr/bin/cat 
>>/var/run/autoipd-usb0.pid | /usr/bin/xargs /bin/kill\" "
> 
> 
> No, escaping will not work, you need an external script.  And PHYSDEVDRIVER
> is not a key, udev will recognize, it is just ignored, you probably want
> ENV{PHYSDEVDRIVER}=.

I took a look at udev_tools_run.c and I see why it doesn't work. I understand 
why it shouldn't work the way I was trying to make it work either. Thanks.

I also realised that running autoipd was leaving a zombie process that was 
stopping my remove rule from executing.

rule:
KERNEL="usb[0-9]", ACTION="add", ENV{PHYSDEVDRIVER}="usbnet", 
PROGRAM="/etc/udev/scripts/start_autoipd.sh %k"

start_autoipd.sh:
logger "$0 is attempting to start autoipd -i $1"
autoipd -i $1
logger "$0 successful"
exit 0

plug in the USB ethernet device:

/var/log/messages:
logger: /etc/udev/scripts/start_autoipd.sh is attempting to start autoipd -i usb0
logger: /etc/udev/scripts/start_autoipd.sh successful

# ps ax | grep autoipd
30554 ?        Z<     0:00 [start_autoipd.s] <defunct>
30557 ?        S<s    0:00 autoipd -i usb0
30562 pts/9    R+     0:00 grep auto

The same happens if simply run autoipd like PROGRAM="/usr/bin/autoipd -i %k"
Have I done something wrong, or should I be bothering the Howl/Zeroconf guys?

regards,

Aras Vaichas


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