bash: cannot set terminal process group (-1): Inappropriate ioctl for device

Issue

• Observed below error while using su with -c argument is used -

  [root@testing ~]# su oracle -c /bin/bash
  bash: cannot set terminal process group (-1): Inappropriate ioctl for device
  bash: no job control in this shell
  
  [root@testing ~]# su oracle -c /bin/sh
  sh: cannot set terminal process group (-1): Inappropriate ioctl for device
  sh: no job control in this shell
  
  [root@testing ~]# su oracle -c /bin/tcsh
  Warning: no access to tty (Inappropriate ioctl for device).
  Thus no job control in this shell.