WIN_LOCKED
msc_win_set_lockout(win, WIN_LOCKED, WIN_READY);
msc_win_set_lockout(win, WIN_INUSE, WIN_LOCKED);
if (old == expect && new == WIN_LOCKED)
else if (old == expect && old == WIN_LOCKED)
if (expect == WIN_READY && old == WIN_LOCKED)
if (expect == WIN_LOCKED && old == new)
msc_win_set_lockout(win, WIN_INUSE, WIN_LOCKED);