On Wed, Mar 26, 2014 at 3:13 PM, Theo de Raadt <[email protected]> wrote:
>> Using pkill(1) correctly should be more efficient than opening a
>> file, reading its contents, then passing those as an argument to
>> kill(1).
>
> None of the mechanisms removes the race.
>
> However, of all the mechanisms, pidfiles are the worst. They
> even persist over reboot.
>
Sometimes i feel curse (or maybe just tired) :
main::(/bin/check_network.pl:164): my $src =
system('/usr/bin/pkill -HUP -f "dhclient: trunk0"');
DB<2> n
main::(/bin/check_network.pl:165): if ($src) {
DB<2> p $src
33024
Of course pkill is supposed to return 0,1,2 or 3 and it does in the shell
I wont even try to think further about that.
All i wanted was to ask again for a lease , i guess i will just
relaunch because -HUP is
a lie, the pid change .
Simplicity shall prevail ?
IMHO , lets remove the HUP signal for dhclient i do not like it anymore !!!
Best regards,
--
mans says : <<Conversely, if the interface is later manipulated to add
or delete addresses then dhclient will automatically exit. It thus
automatically exits whenever a new dhclient is run on the same interface.>>
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