BPF_FUNC_send_signal  734 kernel/trace/bpf_trace.c 	case BPF_FUNC_send_signal:
BPF_FUNC_send_signal  232 tools/testing/selftests/bpf/bpf_helpers.h static int (*bpf_send_signal)(unsigned sig) = (void *)BPF_FUNC_send_signal;