On Sun, 30 Jan 2005 16:01:32 -0600 Ren?Berber <[EMAIL PROTECTED]> wrote: > imacat wrote: > It's an option (*not* available in all Unixes or Unix like environments) > to send the signal to all threads in the process group.
Thank you. I somehow got it now. The manpage on my Debian machine
does not state this, but it works both for built-in kill of bash and
/bin/bash.
But does this means that I have to specify the signal explicitly,
kill -SIGTERM `cat [pidfile]`
instead of the short form,
kill `cat [pidfile]`
from now on? It would be very inconvienent.
Also, I'm using Debian's start-stop-daemon to control it, which
verify the PID against the process first to check if it is really the
target process first before actually killing it. In fact it uses
kvm_getprocs() to find the process. This "negative PID" won't work for
kvm_getprocs().
What is suggested here? Stop using the PID file now? Stop using
start-stop-daemon? Modify the source, recompile and make my own copy of
start-stop-daemon so that it send a positive PID to kvm_getprocs()?
Modify the source, recompile and make my own copy of clamav-milter.c so
that it saves a positive PID? Using my current hack to turn the PID
positive after it is made?
I'm open to the answer. But if you are asking me, I would say that
whether to kill the process "positive or negative" is beyond the scope
of the daemon itself. The daemon should leave a correct and useful PID
and let the user and the daemon controller decide how to use it. It
would be nice if you would like to "strongly suggest" that to the user
and the init script maintainer. But it should not be forced.
--
Best regards,
imacat ^_*' <[EMAIL PROTECTED]>
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