blocked_handler 199 maint/gnulib/lib/sigprocmask.c signal (sig, blocked_handler); blocked_handler 259 maint/gnulib/lib/sigprocmask.c if ((old_handlers[sig] = signal (sig, blocked_handler)) != SIG_ERR) blocked_handler 272 maint/gnulib/lib/sigprocmask.c if (signal (sig, old_handlers[sig]) != blocked_handler)