Symbol: CANTMASK0
usr/src/lib/libc/inc/thr_uberdata.h
719
#define CANTMASK0 (SIGMASK(SIGKILL) | SIGMASK(SIGSTOP))
usr/src/uts/common/sys/signal.h
267
#define CANTMASK0 (sigmask(SIGKILL)|sigmask(SIGSTOP))