==== run-regress-sig-stop3 ====
cc -O2 -pipe  -g  -MD -MP  -c /home/src/regress/sys/kern/signal/sig-stop3/sig-stop3.c
cc   -o sig-stop3 sig-stop3.o -lpthread
./sig-stop3
sending SIGSTOP
waiting...
got stopped notification
killing child
OK