On Mon, Mar 5, 2012 at 2:06 AM, Ed W <[email protected]> wrote:
> On 04/03/2012 16:30, [email protected] wrote:
>>>> start-stop-daemon --stop --pidfile /var/run/nginx.pid
>>>
>>> Yes this works. Up until recently that's exactly what gentoo used,
>>> but they have now started to switch their init scripts to be more
>>> specific with --exec
>>>
>>> I guess this also defends against services which die in the
>>> background and something else ends up accidently running on the same
>>> pid
>>
>> My start-stop-daemon from Gentoo killed processes if they EITHER
>> matched the pid from file OR the given exec name. As this killed
>> sometimes the wrong process I switched to Busybox start-stop-daemon
>> witch killed only the process when both conditions met (pid AND name).
>> But that test was back in last year spring. May be things changed since
>> this.
>
> Testing with openrc-0.9.8.2 I see that it's an "AND" and further that either
> mangling my pid file or selecting only --exec fails to kill my process
Yes:
BusyBox v1.20.0.git (2012-02-23 13:42:51 CET) multi-call binary.
Usage: start-stop-daemon [OPTIONS] [-S|-K] ... [-- ARGS...]
Search for matching processes, and then
-K: stop all matching processes.
-S: start a process unless a matching process is found.
Process matching:
-u,--user USERNAME|UID Match only this user's processes
-n,--name NAME Match processes with NAME
in comm field in /proc/PID/stat
-x,--exec EXECUTABLE Match processes with this command
in /proc/PID/cmdline
-p,--pidfile FILE Match a process with PID from the file
All specified conditions must match
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-S only:
-x,--exec EXECUTABLE Program to run
-a,--startas NAME Zeroth argument
-b,--background Background
-N,--nicelevel N Change nice level
-c,--chuid USER[:[GRP]] Change to user/group
-m,--make-pidfile Write PID to the pidfile specified by -p
-K only:
-s,--signal SIG Signal to send
-t,--test Match only, exit with 0 if a process is found
Other:
-o,--oknodo Exit with status 0 if nothing is done
-v,--verbose Verbose
-q,--quiet Quiet
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