NOTE_FORK
X(NOTE_EXIT) X(NOTE_FORK) X(NOTE_EXEC) X(NOTE_TRACK) X(NOTE_TRACKERR)
kn->kn_sfflags &= ~(NOTE_EXIT | NOTE_EXEC | NOTE_FORK);
if (kn->kn_fop->f_event(kn, NOTE_FORK))
if (kn->kn_fop->f_event(kn, NOTE_FORK)) {
KEVFFL_DUMP(NOTE_FORK);
KEVFFL_DUMP(NOTE_FORK);
NOTE_TRACK | NOTE_EXEC | NOTE_EXIT | NOTE_FORK,
if (kevp->fflags & NOTE_FORK) {