NOTE_READ
X(NOTE_CLOSE_WRITE) X(NOTE_READ) XEND
KNOTE_UNLOCKED(&sc->sc_selinfo.si_note, NOTE_READ);
NOTE_CLOSE_WRITE | NOTE_READ | NOTE_WRITE)
VFS_KNOTE_LOCKED(a->a_vp, NOTE_READ);
VFS_KNOTE_UNLOCKED(a->a_vp, NOTE_READ);
VFS_KNOTE_LOCKED((ap)->a_vp, NOTE_READ); \