sigusr1_handler    46 tools/testing/selftests/bpf/prog_tests/send_signal.c 		signal(SIGUSR1, sigusr1_handler);
sigusr1_handler   480 tools/testing/selftests/powerpc/benchmarks/context_switch.c 	signal(SIGUSR1, sigusr1_handler);
sigusr1_handler   317 tools/testing/selftests/powerpc/benchmarks/fork.c 	signal(SIGUSR1, sigusr1_handler);