newmask          2583 src/gauche.h   SCM_EXTERN ScmObj Scm_SysSigmask(int how, ScmSysSigset *newmask);
newmask           634 src/signal.c   ScmObj Scm_SysSigmask(int how, ScmSysSigset *newmask)
newmask           640 src/signal.c       if (SIGPROCMASK(how, &(newmask->set), &(oldmask->set)) != 0) {