XBS_ATTACH_CH_ACTIVE
&& (xbs->xbs_flags & XBS_ATTACH_CH_ACTIVE) != 0) {
xbs->xbs_flags &= ~XBS_ATTACH_CH_ACTIVE;
xbs->xbs_flags |= XBS_ATTACH_CH_ACTIVE;
if ((xbs->xbs_flags & XBS_ATTACH_CH_ACTIVE) != 0) {
xbs->xbs_flags &= ~XBS_ATTACH_CH_ACTIVE;