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In the Solaris Service XML

I am using a kill to signal a graceful shutdown

<exec_method type="method" name="stop" exec=":kill" timeout_seconds="60" />

This works great, except for the fact that it also kills the child processes, which mostly just die after a SIGTERM. Any of these will work

  • Get the PID so I can use exec="kill -SIGUSR1 $PID"
  • Prevent SIGTERM from being sent to the children. (or at least not the grandchildren)
  • Use some other signal

I would prefer not to set up a separate script that has to go figure out the pid. I will do this if I have to. I would prefer to get it from an environment variable, or use a SMF built in command.

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up vote 2 down vote accepted

exec=":kill -USR1" does the trick. Without SIG.

I was looking for this when defining method="refresh". jperkin set me straight with his example of exec=":kill -HUP", whereas on SmartOS using exec=":kill -SIGHUP" resulted in "/sbin/sh[1]: exec: :kill: not found".

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Thanks! All this time I assumed it wasn't possible. :-) – George Bailey Mar 7 at 14:33

Pretty sure you can just do exec="kill -SIGUSR1".

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I get in the svc log: /usr/bin/kill[8]: kill: bad option(s). – George Bailey Jul 1 '11 at 22:10
Err I meant exec=":kill -SIGUSR1" - not sure if you caught that. :( – Scott Smith Jul 1 '11 at 23:33
I get /sbin/sh: :kill: not found. Sorry. If only there was a way not to propagate the kill to the children! That would make it so easy! – George Bailey Jul 5 '11 at 16:18

This is because both parent and child are under same contract ("man contract" for more info)

Make use of "ctrun" ("man ctrun" for more info), this will create child process under different contract. Doing this will prevent child from getting killed when parent is being killed.

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