SIG_BLOCK          62 gnulib-tests/test-sigprocmask.c   ASSERT (sigprocmask (SIG_BLOCK, &set, NULL) == 0);
SIG_BLOCK         116 lib/sigaction.c   sigprocmask (SIG_BLOCK, &mask, &oldmask);
SIG_BLOCK         161 lib/sigaction.c   sigprocmask (SIG_BLOCK, &mask, &oldmask);
SIG_BLOCK         208 lib/sigprocmask.c         case SIG_BLOCK:
SIG_BLOCK        1187 src/sdiff.c      sigprocmask (SIG_BLOCK, &blocked, &procmask);