Strange, on BASH_VERSION='5.1.16(1)-release' sleep don't get interupted by SIGWINCH
┌─none:/home/phi └─PW$ trap 'echo $LINES.$COLUMNS' SIGWINCH ┌─none:/home/phi # Resizing window here └─PW$ 79.80 └─PW$ 78.80 └─PW$ 77.80 └─PW$ 76.80 └─PW$ 75.80 ^C ┌─none:/home/phi └─PW$ sleep 11111111 # Resizing window here, sleep is not interupted ^C ┌─none:/home/phi └─PW$