SIG_ERR           308 samples/bpf/cookie_uid_helper_example.c 		if (signal(SIGINT, finish) == SIG_ERR)
SIG_ERR           310 samples/bpf/cookie_uid_helper_example.c 		if (signal(SIGTERM, finish) == SIG_ERR)
SIG_ERR           233 samples/timers/hpet_example.c 	if ((oldsig = signal(SIGIO, hpet_sigio)) == SIG_ERR) {
SIG_ERR            28 tools/lib/subcmd/sigchain.c 	if (s->old[s->n] == SIG_ERR)
SIG_ERR            41 tools/lib/subcmd/sigchain.c 	if (signal(sig, s->old[s->n - 1]) == SIG_ERR)
SIG_ERR            75 tools/testing/selftests/pidfd/pidfd_poll_test.c 		if (signal(SIGALRM, handle_alarm) == SIG_ERR)
SIG_ERR            62 tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c 	if (signal(SIGSEGV, signal_segv) == SIG_ERR)
SIG_ERR            59 tools/testing/selftests/powerpc/tm/tm-signal-stack.c 	if (signal(SIGSEGV, signal_segv) == SIG_ERR)
SIG_ERR          3265 tools/testing/selftests/seccomp/seccomp_bpf.c 		if (signal(SIGUSR1, signal_handler) == SIG_ERR) {
SIG_ERR          1297 tools/testing/selftests/vm/userfaultfd.c 	if (signal(SIGALRM, sigalrm) == SIG_ERR)
SIG_ERR           283 tools/thermal/tmon/tmon.c 	if (signal(SIGINT, tmon_sig_handler) == SIG_ERR)
SIG_ERR           285 tools/thermal/tmon/tmon.c 	if (signal(SIGTERM, tmon_sig_handler) == SIG_ERR)