TIOCSIG           484 drivers/tty/pty.c 	case TIOCSIG:    /* Send signal to other side of pty */
TIOCSIG           677 drivers/tty/pty.c 	case TIOCSIG:    /* Send signal to other side of pty */
TIOCSIG           693 drivers/tty/pty.c 		cmd == TIOCSIG ? arg : (unsigned long)compat_ptr(arg));