blocked_handler   172 lib/sigprocmask.c   signal (sig, blocked_handler);
blocked_handler   232 lib/sigprocmask.c                 if ((old_handlers[sig] = signal (sig, blocked_handler)) != SIG_ERR)
blocked_handler   245 lib/sigprocmask.c                 if (signal (sig, old_handlers[sig]) != blocked_handler)