to_block          231 maint/gnulib/lib/sigprocmask.c       sigset_t to_block;
to_block          249 maint/gnulib/lib/sigprocmask.c       to_block = new_blocked_set & ~blocked_set;
to_block          251 maint/gnulib/lib/sigprocmask.c       if (to_block != 0)
to_block          256 maint/gnulib/lib/sigprocmask.c             if ((to_block >> sig) & 1)