samples/bpf/cookie_uid_helper_example.c

317

if (signal(SIGINT, finish) == SIG_ERR)

samples/bpf/cookie_uid_helper_example.c

319

if (signal(SIGTERM, finish) == SIG_ERR)

samples/timers/hpet_example.c

233

if ((oldsig = signal(SIGIO, hpet_sigio)) == SIG_ERR) {

tools/lib/subcmd/sigchain.c

28

if (s->old[s->n] == SIG_ERR)

tools/lib/subcmd/sigchain.c

41

if (signal(sig, s->old[s->n - 1]) == SIG_ERR)

tools/testing/selftests/bpf/prog_tests/perf_skip.c

134

if (previous_sigio != SIG_ERR)

tools/testing/selftests/bpf/prog_tests/perf_skip.c

39

sighandler_t previous_sigio = SIG_ERR;

tools/testing/selftests/bpf/prog_tests/perf_skip.c

54

if (!ASSERT_NEQ(previous_sigio, SIG_ERR, "signal"))

tools/testing/selftests/bpf/prog_tests/send_signal.c

58

ASSERT_NEQ(signal(SIGUSR1, sigusr1_handler), SIG_ERR, "signal");

tools/testing/selftests/kvm/x86/vmx_exception_with_invalid_guest_state.c

136

TEST_ASSERT(signal(SIGALRM, sigalrm_handler) != SIG_ERR,

tools/testing/selftests/mm/hugetlb_fault_after_madv.c

70

if (signal(SIGBUS, signal_handler) == SIG_ERR)

tools/testing/selftests/mm/mkdirty.c

46

if (signal(SIGSEGV, signal_handler) == SIG_ERR) {

tools/testing/selftests/mm/mkdirty.c

55

if (signal(SIGSEGV, SIG_DFL) == SIG_ERR)

tools/testing/selftests/mm/pfnmap.c

44

if (signal(SIGSEGV, signal_handler) == SIG_ERR)

tools/testing/selftests/mm/pfnmap.c

51

if (signal(SIGSEGV, SIG_DFL) == SIG_ERR)

tools/testing/selftests/mm/uffd-stress.c

461

if (signal(SIGALRM, sigalrm) == SIG_ERR)

tools/testing/selftests/mm/write_to_hugetlbfs.c

79

if (signal(SIGINT, sig_handler) == SIG_ERR)

tools/testing/selftests/namespaces/regression_pidfd_setns_test.c

41

ASSERT_NE(signal(SIGCHLD, SIG_IGN), SIG_ERR);

tools/testing/selftests/namespaces/regression_pidfd_setns_test.c

92

ASSERT_NE(signal(SIGCHLD, SIG_IGN), SIG_ERR);

tools/testing/selftests/net/fin_ack_lat.c

118

if (signal(SIGTERM, sig_handler) == SIG_ERR)

tools/testing/selftests/pidfd/pidfd_poll_test.c

74

if (signal(SIGALRM, handle_alarm) == SIG_ERR)

tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c

62

if (signal(SIGSEGV, signal_segv) == SIG_ERR)

tools/testing/selftests/powerpc/tm/tm-signal-stack.c

60

if (signal(SIGSEGV, signal_segv) == SIG_ERR)

tools/testing/selftests/rseq/legacy_check.c

41

ASSERT_NE(signal(SIGUSR1, sigfn), SIG_ERR);

tools/testing/selftests/seccomp/seccomp_bpf.c

3595

if (signal(SIGUSR1, signal_handler) == SIG_ERR) {

tools/testing/selftests/timers/posix_timers.c

158

if (signal(SIGALRM, sig_handler) == SIG_ERR)

tools/testing/selftests/timers/posix_timers.c

218

if (signal(SIGALRM, ctd_sighandler) == SIG_ERR)

tools/testing/selftests/timers/posix_timers.c

319

if (signal(SIGUSR1, SIG_IGN) == SIG_ERR)

tools/testing/vsock/vsock_test.c

2022

if (old_handler == SIG_ERR) {

tools/testing/vsock/vsock_test.c

2108

if (signal(SIGUSR1, old_handler) == SIG_ERR) {

tools/thermal/tmon/tmon.c

277

if (signal(SIGINT, tmon_sig_handler) == SIG_ERR)

tools/thermal/tmon/tmon.c

279

if (signal(SIGTERM, tmon_sig_handler) == SIG_ERR)