#compdef kill

local tags list expl

if compset -P 1 -; then

  _tags -i signal || return 1

  _description expl signal
  compadd "$expl[@]" $signals[1,-3]
else
  local ret=1
  
  _tags job process
  
  while _tags; do
    [[ "$tags" = *:job:*     ]] && _jobs && ret=0
    [[ "$tags" = *:process:* ]] && _pids && ret=0
    (( ret )) || break
  done

  return ret
fi