sigblockmask       76 threadinfo.h     sigset_t sigblockmask; // blocked signals
sigblockmask      763 threadlist.cpp   JASSERT(pthread_sigmask (SIG_SETMASK, NULL, &th->sigblockmask) == 0);
sigblockmask      778 threadlist.cpp   JASSERT(pthread_sigmask (SIG_SETMASK, &th->sigblockmask, NULL) == 0);
sigblockmask      784 threadlist.cpp         sigismember(&th->sigblockmask, i) == 1 &&