SS_ISDISCONNECTING
if (so->so_state & (SS_ISCONNECTED|SS_ISCONNECTING|SS_ISDISCONNECTING))
if ((so->so_state & SS_ISDISCONNECTING) == 0) {
if ((so->so_state & SS_ISDISCONNECTING) &&
if (so->so_state & SS_ISDISCONNECTING)
so->so_state |= SS_ISDISCONNECTING;
so->so_state &= ~(SS_ISCONNECTING|SS_ISCONNECTED|SS_ISDISCONNECTING);
so->so_state &= ~(SS_ISCONNECTED|SS_ISDISCONNECTING);
so->so_state &= ~(SS_ISCONNECTING|SS_ISDISCONNECTING);