sig_kernel_only 86 kernel/signal.c if (unlikely(is_global_init(t) && sig_kernel_only(sig))) sig_kernel_only 90 kernel/signal.c handler == SIG_DFL && !(force && sig_kernel_only(sig))) sig_kernel_only 2678 kernel/signal.c !sig_kernel_only(signr)) sig_kernel_only 3964 kernel/signal.c if (!valid_signal(sig) || sig < 1 || (act && sig_kernel_only(sig)))