Symbol: TIOCSIG
drivers/tty/pty.c
461
case TIOCSIG: /* Send signal to other side of pty */
drivers/tty/pty.c
637
case TIOCSIG: /* Send signal to other side of pty */
drivers/tty/pty.c
653
cmd == TIOCSIG ? arg : (unsigned long)compat_ptr(arg));