#172: [RESOURCE] A LSB-compliant initscript for Linux
--------------------------------------------+-------------------------------
Reporter: Jorge Godoy <[EMAIL PROTECTED]> | Owner: anonymous
Type: enhancement | Status: new
Priority: normal | Milestone: 1.0
Component: Docs | Version:
Severity: normal | Resolution:
Keywords: reviewed |
--------------------------------------------+-------------------------------
Comment (by ezio):
A strange (for me!) thing happens: when I start the application, using
command line or the init script, i have two process (running fedora4, tg
trunk):
{{{
# ./start-astcdr.py &
[1] 13868
# ps -e -o user,pid,comm,cmd | grep astcdr
root 13868 start-astcdr.py /usr/bin/python ./start-astcdr.py
root 13869 python /usr/bin/python ./start-astcdr.py
# kill -2 13868
# ps -e -o user,pid,comm,cmd | grep astcdr
root 13869 python /usr/bin/python ./start-astcdr.py
}}}
To stop the application I've to kill them both.
The same thing happens in the initscript and killing the process saved
with {{{echo $! > $PIDFILE}}}
Now repeat, looking at the process group (pgid)
{{{
# ./start-astcdr.py &
[1] 14041
# ps -e -o user,pid,pgid,comm,cmd | grep astcdr
root 14041 14041 start-astcdr.py /usr/bin/python ./start-astcdr.py
root 14042 14041 python /usr/bin/python ./start-astcdr.py
}}}
They have the same pgid, 14041. From kill man page a hypen (-) before pid
means all process in the group:
{{{
# kill -2 -14041
}}}
works.
Now with the init script:
{{{
# ./tg-astcdr start
Starting astcdr [ OK ]
# ps -e -o user,pid,pgid,comm,cmd | grep astcdr
root 14140 14137 start-astcdr.py /usr/bin/python
/home/ezio/web_works/astcdr/start-astcdr.py
/home/ezio/web_works/astcdr/dev.cfg
root 14142 14137 python /usr/bin/python
/home/ezio/web_works/astcdr/start-astcdr.py
/home/ezio/web_works/astcdr/dev.cfg
}}}
The pgid number is 14137, where came out this number? Where can I find
this number? Happens only to me???
--
Ticket URL: <http://trac.turbogears.org/turbogears/ticket/172>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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