What signal will upstart/initctl use to restart a job?
SIGTERM
$ strace -fp 'pgrep cron' 2> ~/strace &
$ initctl restart cron
$ cat ~/strace
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGCHLD, NULL, {0x804a280, [CHLD], SA_RESTART}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
nanosleep({60, 0}, {57, 153662204}) = ? ERESTART_RESTARTBLOCK (To be restarted)
--- SIGTERM (Terminated) @ 0 (0) ---
Process 2275 detached
Furthermore, is there any way to specify that SIGHUP should be used?
Uso: initctl reload
Alternately, is there a way to define a custom reload command that will send a SIGHUP?
Uso: initctl reload
Or do I need to go outside of upstart to do that?
Use initctl reload
ou kill
/ killall -HUP