NOTE_FORK
NOTE_EXIT|NOTE_FORK|NOTE_EXEC|NOTE_TRACK, 0, NULL);
NOTE_EXIT|NOTE_FORK|NOTE_EXEC|NOTE_TRACK, 0, NULL);
case NOTE_FORK:
knote_locked(&pr->ps_klist, NOTE_FORK | pid);
if ((event == NOTE_FORK) && (kn->kn_sfflags & NOTE_TRACK)) {