t/t0009-winch_ttin.sh

   1 #!/bin/sh
   2 . ./test-lib.sh
   3 t_plan 8 "SIGTTIN succeeds after SIGWINCH"
   4
   5 t_begin "setup and start" && {
   6         unicorn_setup
   7 cat >> $unicorn_config <<EOF
   8 after_fork do |server, worker|
   9   # test script will block while reading from $fifo,
  10   File.open("$fifo", "wb") { |fp| fp.syswrite worker.nr.to_s }
  11 end
  12 EOF
  13         unicorn -D -c $unicorn_config pid.ru
  14         unicorn_wait_start
  15         test 0 -eq $(cat $fifo) || die "worker.nr != 0"
  16 }
  17
  18 t_begin "read worker pid" && {
  19         orig_worker_pid=$(curl -sSf http://$listen/)
  20         test -n "$orig_worker_pid" && kill -0 $orig_worker_pid
  21 }
  22
  23 t_begin "stop all workers" && {
  24         kill -WINCH $unicorn_pid
  25 }
  26
  27 # we have to do this next step before delivering TTIN
  28 # signals aren't guaranteed to delivered in order
  29 t_begin "wait for worker to die" && {
  30         i=0
  31         while kill -0 $orig_worker_pid 2>/dev/null
  32         do
  33                 i=$(( $i + 1 ))
  34                 test $i -lt 600 || die "timed out"
  35                 sleep 1
  36         done
  37 }
  38
  39 t_begin "start one worker back up" && {
  40         kill -TTIN $unicorn_pid
  41 }
  42
  43 t_begin "wait for new worker to start" && {
  44         test 0 -eq $(cat $fifo) || die "worker.nr != 0"
  45         new_worker_pid=$(curl -sSf http://$listen/)
  46         test -n "$new_worker_pid" && kill -0 $new_worker_pid
  47         test $orig_worker_pid -ne $new_worker_pid || \
  48            die "worker wasn't replaced"
  49 }
  50
  51 t_begin "killing succeeds" && {
  52         kill $unicorn_pid
  53 }
  54
  55 t_begin "check stderr" && check_stderr
  56
  57 dbgcat r_err
  58
  59 t_done