[Bug 1073478] Re: [SRU] Update squid3 upstart script to kill it with SIGINT and wait longer

[Tiago Stürmer Daitx]

> Yeah, but is the bug present in the sysinit script?  I'm assuming not,
> but it wouldn't hurt to verify.

Michael, indeed, thanks for the heads up. I did try it when
researching the SRU, but I forgot to include evidence that it worked
just fine. I have collected that just now.

# /etc/init.d/squid3 start
[ ok ] Starting squid3 (via systemctl): squid3.service.
# /etc/init.d/squid3 stop
[ ok ] Stopping squid3 (via systemctl): squid3.service.

# strace -r -e trace=signal,file -p $(cat /var/run/squid3.pid)
Process 2925 attached
     0.000000 --- SIGTERM {si_signo=SIGTERM, si_code=SI_USER,
si_pid=3028, si_uid=0} ---
     0.000068 kill(2923, SIGUSR1)       = 0
     0.000046 rt_sigreturn()            = -1 EINTR (Interrupted system call)
     0.000081 stat("/etc/localtime", {st_mode=S_IFREG|0644,
st_size=127, ...}) = 0
     9.395299 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED,
si_pid=2943, si_status=1, si_utime=0, si_stime=1} ---
     0.000778 rt_sigreturn()            = -1 EINTR (Interrupted system call)
    21.948196 stat("/etc/localtime", {st_mode=S_IFREG|0644,
st_size=127, ...}) = 0
     0.002870 kill(2931, SIGTERM)       = 0
     0.000606 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED,
si_pid=2931, si_status=SIGTERM, si_utime=0, si_stime=0} ---
     0.000271 rt_sigreturn()            = 9
     0.010035 unlink("/var/run/squid3.pid") = 0
     0.000397 open("/proc/sys/kernel/ngroups_max", O_RDONLY) = 10
     0.000353 open("/etc/group", O_RDONLY|O_CLOEXEC) = 10
     0.005137 +++ exited with 0 +++

As expected. it exits after about ~30 seconds.

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https://bugs.launchpad.net/bugs/1073478

Title:
  [SRU] Update squid3 upstart script to kill it with SIGINT and wait
  longer

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