Symbol: PF_SCLOSED
sys/kern/tty_pty.c
381
pti->pt_flags &= ~PF_SCLOSED;
sys/kern/tty_pty.c
420
pti->pt_flags |= PF_SCLOSED;
sys/kern/tty_pty.c
872
if ((tp->t_state & TS_ZOMBIE) || (pti->pt_flags & PF_SCLOSED)) {