SI_FROMKERNEL
if (sip != NULL && SI_FROMKERNEL(sip) &&
(SI_FROMKERNEL(&info) || info.si_code == SI_LWP)) {
if (sip == NULL || SI_FROMKERNEL(sip) ||
if (sip != NULL && SI_FROMKERNEL(sip)) {
if (sig == SIGFPE && sip != NULL && SI_FROMKERNEL(sip) &&
if (sip != NULL && SI_FROMKERNEL(sip)) {
(sig == SIGCLD && SI_FROMKERNEL(infop))) &&