util-linux/shell/ash_test/ash-signals/signal2.tests

   1 #!/bin/sh
   2
   3 $THIS_SH -c '
   4 cleanup() {
   5     echo "child exits as expected"
   6     exit
   7 }
   8 trap cleanup HUP
   9 echo "child sleeps"
  10 sleep 1
  11 echo "BAD exit from child!"
  12 ' &
  13
  14 child=$!
  15 sleep 0.1 # let child install handler first
  16 kill -HUP $child
  17 wait
  18 echo "parent exits"