arch/alpha/kernel/signal.c

90

SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,

arch/alpha/kernel/signal.c

91

struct sigaction __user *, oact,

arch/mips/kernel/signal.c

596

SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act,

arch/mips/kernel/signal.c

597

struct sigaction __user *, oact)

arch/sh/kernel/signal_32.c

407

struct sigaction *sa)

arch/sparc/include/uapi/asm/signal.h

104

#define __old_sigaction sigaction

arch/sparc/include/uapi/asm/signal.h

95

#define __new_sigaction sigaction

arch/sparc/kernel/signal32.c

638

struct sigaction *sa)

arch/sparc/kernel/signal_32.c

431

struct sigaction *sa)

arch/sparc/kernel/signal_64.c

452

struct sigaction *sa)

arch/sparc/kernel/sys_sparc_32.c

178

const struct sigaction __user *, act,

arch/sparc/kernel/sys_sparc_32.c

179

struct sigaction __user *, oact,

arch/sparc/kernel/sys_sparc_64.c

693

SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,

arch/sparc/kernel/sys_sparc_64.c

694

struct sigaction __user *, oact, void __user *, restorer,

arch/um/os-Linux/main.c

49

struct sigaction action;

arch/um/os-Linux/main.c

63

if (sigaction(sig, &action, NULL) < 0) {

arch/um/os-Linux/sigio.c

203

struct sigaction old, new;

arch/um/os-Linux/sigio.c

238

if (sigaction(SIGIO, NULL, &old) < 0) {

arch/um/os-Linux/sigio.c

246

if (sigaction(SIGIO, &new, NULL) < 0) {

arch/um/os-Linux/sigio.c

258

if (sigaction(SIGIO, &old, NULL) < 0)

arch/um/os-Linux/signal.c

217

struct sigaction action;

arch/um/os-Linux/signal.c

239

if (sigaction(sig, &action, NULL) < 0)

arch/um/os-Linux/smp.c

137

struct sigaction action = {

arch/um/os-Linux/smp.c

144

if (sigaction(IPI_SIGNAL, &action, NULL) < 0)

arch/um/os-Linux/start_up.c

267

struct sigaction sa;

arch/um/os-Linux/start_up.c

279

if (sigaction(SIGSYS, &sa, NULL) < 0)

arch/x86/um/bugs_32.c

25

struct sigaction old, new;

arch/x86/um/bugs_32.c

33

sigaction(SIGILL, &new, &old);

arch/x86/um/bugs_32.c

42

sigaction(SIGILL, &old, &new);

include/linux/signal_types.h

52

struct sigaction sa;

include/linux/syscalls.h

672

const struct sigaction __user *,

include/linux/syscalls.h

673

struct sigaction __user *,

kernel/signal.c

4628

const struct sigaction __user *, act,

kernel/signal.c

4629

struct sigaction __user *, oact,

kernel/signal.c

4699

SYSCALL_DEFINE3(sigaction, int, sig,

kernel/signal.c

4735

COMPAT_SYSCALL_DEFINE3(sigaction, int, sig,

samples/seccomp/bpf-direct.c

100

if (sigaction(SIGSYS, &act, NULL) < 0) {

samples/seccomp/bpf-direct.c

92

struct sigaction act;

tools/arch/x86/dell-uart-backlight-emulator/dell-uart-backlight-emulator.c

41

struct sigaction sigact = { .sa_handler = signalhdlr };

tools/arch/x86/dell-uart-backlight-emulator/dell-uart-backlight-emulator.c

78

sigaction(SIGINT, &sigact, 0);

tools/arch/x86/dell-uart-backlight-emulator/dell-uart-backlight-emulator.c

79

sigaction(SIGTERM, &sigact, 0);

tools/bpf/bpftool/tracelog.c

120

const struct sigaction act = {

tools/bpf/bpftool/tracelog.c

138

sigaction(SIGHUP, &act, NULL);

tools/bpf/bpftool/tracelog.c

139

sigaction(SIGINT, &act, NULL);

tools/bpf/bpftool/tracelog.c

140

sigaction(SIGTERM, &act, NULL);

tools/iio/iio_generic_buffer.c

320

struct sigaction sa = { .sa_handler = sig_handler };

tools/iio/iio_generic_buffer.c

325

ret = sigaction(signums[i], &sa, NULL);

tools/mm/page-types.c

1084

sigaction(SIGBUS, &sigbus_action, NULL);

tools/mm/page-types.c

967

static struct sigaction sigbus_action = {

tools/objtool/signal.c

103

struct sigaction sa;

tools/objtool/signal.c

128

if (sigaction(signals[i], &sa, NULL) == -1) {

tools/objtool/signal.c

29

struct sigaction sa_dfl = {0};

tools/objtool/signal.c

56

sigaction(sig_num, &sa_dfl, NULL);

tools/perf/bench/epoll-ctl.c

316

struct sigaction act;

tools/perf/bench/epoll-ctl.c

331

sigaction(SIGINT, &act, NULL);

tools/perf/bench/epoll-wait.c

434

struct sigaction act;

tools/perf/bench/epoll-wait.c

450

sigaction(SIGINT, &act, NULL);

tools/perf/bench/futex-hash.c

131

struct sigaction act;

tools/perf/bench/futex-hash.c

152

sigaction(SIGINT, &act, NULL);

tools/perf/bench/futex-lock-pi.c

171

struct sigaction act;

tools/perf/bench/futex-lock-pi.c

185

sigaction(SIGINT, &act, NULL);

tools/perf/bench/futex-requeue.c

173

struct sigaction act;

tools/perf/bench/futex-requeue.c

187

sigaction(SIGINT, &act, NULL);

tools/perf/bench/futex-wake-parallel.c

250

struct sigaction act;

tools/perf/bench/futex-wake-parallel.c

264

sigaction(SIGINT, &act, NULL);

tools/perf/bench/futex-wake.c

146

struct sigaction act;

tools/perf/bench/futex-wake.c

162

sigaction(SIGINT, &act, NULL);

tools/perf/builtin-trace.c

5488

struct sigaction sigchld_act;

tools/perf/builtin-trace.c

5497

sigaction(SIGCHLD, &sigchld_act, NULL);

tools/perf/tests/bp_signal.c

167

struct sigaction sa;

tools/perf/tests/bp_signal.c

176

memset(&sa, 0, sizeof(struct sigaction));

tools/perf/tests/bp_signal.c

180

if (sigaction(SIGIO, &sa, NULL) < 0) {

tools/perf/tests/bp_signal.c

186

if (sigaction(SIGUSR1, &sa, NULL) < 0) {

tools/perf/tests/bp_signal_overflow.c

66

struct sigaction sa;

tools/perf/tests/bp_signal_overflow.c

76

memset(&sa, 0, sizeof(struct sigaction));

tools/perf/tests/bp_signal_overflow.c

80

if (sigaction(SIGIO, &sa, NULL) < 0) {

tools/perf/tests/sigtrap.c

222

struct sigaction action = {};

tools/perf/tests/sigtrap.c

223

struct sigaction oldact;

tools/perf/tests/sigtrap.c

239

if (sigaction(SIGTRAP, &action, &oldact)) {

tools/perf/tests/sigtrap.c

268

sigaction(SIGTRAP, &oldact, NULL);

tools/perf/util/evlist.c

1549

struct sigaction act = {

tools/perf/util/evlist.c

1553

sigaction(SIGUSR1, &act, NULL);

tools/power/x86/intel-speed-select/isst-daemon.c

151

struct sigaction sig_actions;

tools/power/x86/intel-speed-select/isst-daemon.c

169

sigaction(SIGHUP, &sig_actions, NULL);

tools/power/x86/intel-speed-select/isst-daemon.c

170

sigaction(SIGTERM, &sig_actions, NULL);

tools/power/x86/intel-speed-select/isst-daemon.c

171

sigaction(SIGINT, &sig_actions, NULL);

tools/power/x86/turbostat/turbostat.c

6648

struct sigaction sa;

tools/power/x86/turbostat/turbostat.c

6654

if (sigaction(SIGINT, &sa, NULL) < 0)

tools/power/x86/turbostat/turbostat.c

6656

if (sigaction(SIGUSR1, &sa, NULL) < 0)

tools/testing/selftests/arm64/abi/hwcap.c

1249

struct sigaction sa;

tools/testing/selftests/arm64/abi/hwcap.c

1255

ret = sigaction(signum, &sa, NULL);

tools/testing/selftests/arm64/abi/hwcap.c

1265

if (sigaction(signum, NULL, NULL) < 0)

tools/testing/selftests/arm64/abi/hwcap.c

609

struct sigaction ign, old;

tools/testing/selftests/arm64/abi/hwcap.c

623

sigaction(SIGBUS, &ign, &old);

tools/testing/selftests/arm64/abi/hwcap.c

636

sigaction(SIGBUS, &old, NULL);

tools/testing/selftests/arm64/bti/signal.c

29

int sigaction(int n, struct sigaction *sa, const struct sigaction *old)

tools/testing/selftests/arm64/bti/signal.h

18

int sigaction(int n, struct sigaction *sa, const struct sigaction *old);

tools/testing/selftests/arm64/bti/test.c

155

struct sigaction sa;

tools/testing/selftests/arm64/bti/test.c

209

sigaction(SIGILL, &sa, NULL);

tools/testing/selftests/arm64/fp/fp-ptrace.c

1616

struct sigaction sa;

tools/testing/selftests/arm64/fp/fp-ptrace.c

1667

ret = sigaction(SIGALRM, &sa, NULL);

tools/testing/selftests/arm64/fp/fp-stress.c

462

struct sigaction sa;

tools/testing/selftests/arm64/fp/fp-stress.c

536

ret = sigaction(SIGINT, &sa, NULL);

tools/testing/selftests/arm64/fp/fp-stress.c

540

ret = sigaction(SIGTERM, &sa, NULL);

tools/testing/selftests/arm64/fp/fp-stress.c

545

ret = sigaction(SIGCHLD, &sa, NULL);

tools/testing/selftests/arm64/fp/kernel-test.c

251

struct sigaction sa;

tools/testing/selftests/arm64/fp/kernel-test.c

262

ret = sigaction(SIGTERM, &sa, NULL);

tools/testing/selftests/arm64/fp/kernel-test.c

268

ret = sigaction(SIGUSR1, &sa, NULL);

tools/testing/selftests/arm64/fp/kernel-test.c

272

ret = sigaction(SIGUSR2, &sa, NULL);

tools/testing/selftests/arm64/gcs/gcs-stress.c

359

struct sigaction sa;

tools/testing/selftests/arm64/gcs/gcs-stress.c

420

ret = sigaction(SIGINT, &sa, NULL);

tools/testing/selftests/arm64/gcs/gcs-stress.c

424

ret = sigaction(SIGTERM, &sa, NULL);

tools/testing/selftests/arm64/gcs/gcs-stress.c

429

ret = sigaction(SIGCHLD, &sa, NULL);

tools/testing/selftests/arm64/mte/mte_common_util.c

111

struct sigaction sa;

tools/testing/selftests/arm64/mte/mte_common_util.c

120

sigaction(signal, &sa, NULL);

tools/testing/selftests/arm64/mte/mte_common_util.c

38

struct sigaction sa;

tools/testing/selftests/arm64/mte/mte_common_util.c

42

sigaction(signum, NULL, &sa);

tools/testing/selftests/arm64/pauth/pac.c

201

struct sigaction sa;

tools/testing/selftests/arm64/pauth/pac.c

209

sigaction(SIGSEGV, &sa, NULL);

tools/testing/selftests/arm64/pauth/pac.c

210

sigaction(SIGILL, &sa, NULL);

tools/testing/selftests/arm64/signal/test_signals_utils.c

271

struct sigaction sa;

tools/testing/selftests/arm64/signal/test_signals_utils.c

279

sigaction(sig, &sa, NULL);

tools/testing/selftests/arm64/signal/test_signals_utils.c

286

sigaction(sig, &sa, NULL);

tools/testing/selftests/bpf/bench.c

435

static struct sigaction sigalarm_action = {

tools/testing/selftests/bpf/bench.c

442

err = sigaction(SIGALRM, &sigalarm_action, NULL);

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

136

sigaction(SIGTRAP, &previous_sigtrap, NULL);

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

37

struct sigaction action = {};

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

38

struct sigaction previous_sigtrap;

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

50

if (!ASSERT_OK(sigaction(SIGTRAP, &action, &previous_sigtrap), "sigaction"))

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

24

struct sigaction sa;

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

56

ASSERT_NEQ(sigaction(SIGUSR1, &sa, NULL), -1, "sigaction");

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

33

err = sigaction(SIGALRM, &sigalrm_action, NULL);

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

6

static struct sigaction sigalrm_action = {

tools/testing/selftests/bpf/test_progs.c

1689

struct sigaction sigact_int = {

tools/testing/selftests/bpf/test_progs.c

1695

sigaction(SIGINT, &sigact_int, NULL);

tools/testing/selftests/bpf/test_progs.c

1964

struct sigaction sigact = {

tools/testing/selftests/bpf/test_progs.c

1968

sigaction(SIGSEGV, &sigact, NULL);

tools/testing/selftests/breakpoints/breakpoint_test_arm64.c

203

struct sigaction act;

tools/testing/selftests/breakpoints/breakpoint_test_arm64.c

213

sigaction(SIGALRM, &act, NULL);

tools/testing/selftests/clone3/clone3_clear_sighand.c

47

struct sigaction act;

tools/testing/selftests/clone3/clone3_clear_sighand.c

69

ret = sigaction(SIGUSR1, &act, NULL);

tools/testing/selftests/clone3/clone3_clear_sighand.c

76

ret = sigaction(SIGUSR2, &act, NULL);

tools/testing/selftests/clone3/clone3_clear_sighand.c

90

ret = sigaction(SIGUSR1, NULL, &act);

tools/testing/selftests/clone3/clone3_clear_sighand.c

97

ret = sigaction(SIGUSR2, NULL, &act);

tools/testing/selftests/filesystems/dnotify_test.c

18

struct sigaction act;

tools/testing/selftests/filesystems/dnotify_test.c

24

sigaction(SIGRTMIN + 1, &act, NULL);

tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c

101

struct sigaction sa;

tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c

108

if (sigaction(SIGUSR1, &sa, NULL))

tools/testing/selftests/kvm/arm64/host_sve.c

40

struct sigaction sa = {

tools/testing/selftests/kvm/arm64/host_sve.c

44

sigaction(SIGILL, &sa, NULL);

tools/testing/selftests/kvm/arm64/sea_to_user.c

136

struct sigaction act;

tools/testing/selftests/kvm/arm64/sea_to_user.c

142

TEST_ASSERT(sigaction(SIGBUS, &act, NULL) == 0,

tools/testing/selftests/kvm/include/test_util.h

88

struct sigaction sa_old, sa_new = { \

tools/testing/selftests/kvm/include/test_util.h

92

sigaction(SIGBUS, &sa_new, &sa_old); \

tools/testing/selftests/kvm/include/test_util.h

97

sigaction(SIGBUS, &sa_old, NULL); \

tools/testing/selftests/kvm/lib/kvm_util.c

2349

struct sigaction sig_sa = {

tools/testing/selftests/kvm/lib/kvm_util.c

2356

sigaction(SIGBUS, &sig_sa, NULL);

tools/testing/selftests/kvm/lib/kvm_util.c

2357

sigaction(SIGSEGV, &sig_sa, NULL);

tools/testing/selftests/kvm/lib/kvm_util.c

2358

sigaction(SIGILL, &sig_sa, NULL);

tools/testing/selftests/kvm/lib/kvm_util.c

2359

sigaction(SIGFPE, &sig_sa, NULL);

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

572

struct sigaction sa = { };

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

574

sigaction(SIGALRM, &sa, NULL);

tools/testing/selftests/landlock/scoped_signal_test.c

392

struct sigaction sa = {

tools/testing/selftests/landlock/scoped_signal_test.c

400

return sigaction(SIGURG, &sa, NULL);

tools/testing/selftests/landlock/scoped_signal_test.c

85

struct sigaction action = {

tools/testing/selftests/landlock/scoped_signal_test.c

92

ASSERT_LE(0, sigaction(variant->sig, &action, NULL));

tools/testing/selftests/landlock/tsync_test.c

208

struct sigaction sa = {};

tools/testing/selftests/landlock/tsync_test.c

216

ASSERT_EQ(0, sigaction(SIGUSR1, &sa, NULL));

tools/testing/selftests/mm/guard-regions.c

179

struct sigaction act = {

tools/testing/selftests/mm/guard-regions.c

185

if (sigaction(SIGSEGV, &act, NULL))

tools/testing/selftests/mm/guard-regions.c

191

struct sigaction act = {

tools/testing/selftests/mm/guard-regions.c

197

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/mm/memory-failure.c

118

struct sigaction sa = {

tools/testing/selftests/mm/memory-failure.c

123

sigaction(SIGBUS, &sa, NULL);

tools/testing/selftests/mm/memory-failure.c

89

struct sigaction sa = {

tools/testing/selftests/mm/memory-failure.c

94

return sigaction(SIGBUS, &sa, NULL);

tools/testing/selftests/mm/pkey_sighandler_tests.c

207

struct sigaction sa;

tools/testing/selftests/mm/pkey_sighandler_tests.c

215

if (sigaction(SIGSEGV, &sa, NULL) == -1) {

tools/testing/selftests/mm/pkey_sighandler_tests.c

247

struct sigaction sa;

tools/testing/selftests/mm/pkey_sighandler_tests.c

255

if (sigaction(SIGSEGV, &sa, NULL) == -1) {

tools/testing/selftests/mm/pkey_sighandler_tests.c

284

struct sigaction sa;

tools/testing/selftests/mm/pkey_sighandler_tests.c

297

if (sigaction(SIGSEGV, &sa, NULL) == -1) {

tools/testing/selftests/mm/pkey_sighandler_tests.c

359

struct sigaction sa;

tools/testing/selftests/mm/pkey_sighandler_tests.c

372

if (sigaction(SIGUSR1, &sa, NULL) == -1) {

tools/testing/selftests/mm/pkey_sighandler_tests.c

440

struct sigaction sa = {0};

tools/testing/selftests/mm/pkey_sighandler_tests.c

456

if (sigaction(SIGSEGV, &sa, NULL) == -1) {

tools/testing/selftests/mm/pkey_sighandler_tests.c

465

if (sigaction(SIGUSR2, &sa, NULL) == -1) {

tools/testing/selftests/mm/protection_keys.c

416

struct sigaction newact;

tools/testing/selftests/mm/protection_keys.c

417

struct sigaction oldact;

tools/testing/selftests/mm/protection_keys.c

434

r = sigaction(signum, &newact, &oldact);

tools/testing/selftests/mm/protection_keys.c

435

r = sigaction(SIGALRM, &newact, &oldact);

tools/testing/selftests/mm/uffd-unit-tests.c

1024

struct sigaction act = { 0 };

tools/testing/selftests/mm/uffd-unit-tests.c

1047

if (sigaction(SIGBUS, &act, 0))

tools/testing/selftests/mm/uffd-unit-tests.c

664

struct sigaction act;

tools/testing/selftests/mm/uffd-unit-tests.c

674

if (sigaction(SIGBUS, &act, 0))

tools/testing/selftests/mqueue/mq_perf_tests.c

548

struct sigaction sa;

tools/testing/selftests/mqueue/mq_perf_tests.c

701

if (sigaction(SIGUSR1, &sa, NULL) == -1)

tools/testing/selftests/mqueue/mq_perf_tests.c

704

if (sigaction(SIGHUP, &sa, NULL) == -1)

tools/testing/selftests/mqueue/mq_perf_tests.c

706

if (sigaction(SIGINT, &sa, NULL) == -1)

tools/testing/selftests/mqueue/mq_perf_tests.c

708

if (sigaction(SIGQUIT, &sa, NULL) == -1)

tools/testing/selftests/mqueue/mq_perf_tests.c

710

if (sigaction(SIGTERM, &sa, NULL) == -1)

tools/testing/selftests/net/netfilter/audit_logread.c

143

struct sigaction act = {

tools/testing/selftests/net/netfilter/audit_logread.c

153

if (sigaction(SIGTERM, &act, NULL) < 0 ||

tools/testing/selftests/net/netfilter/audit_logread.c

154

sigaction(SIGINT, &act, NULL) < 0) {

tools/testing/selftests/net/netfilter/connect_close.c

31

struct sigaction action = {

tools/testing/selftests/net/netfilter/connect_close.c

35

sigaction(SIGALRM, &action, NULL);

tools/testing/selftests/net/tcp_ao/lib/setup.c

231

struct sigaction sa = {

tools/testing/selftests/net/tcp_ao/lib/setup.c

238

if (sigaction(SIGINT, &sa, NULL))

tools/testing/selftests/perf_events/remove_on_exec.c

231

struct sigaction action = {};

tools/testing/selftests/perf_events/remove_on_exec.c

238

if (sigaction(SIGTRAP, &action, NULL))

tools/testing/selftests/perf_events/remove_on_exec.c

71

struct sigaction oldact;

tools/testing/selftests/perf_events/remove_on_exec.c

78

struct sigaction action = {};

tools/testing/selftests/perf_events/remove_on_exec.c

86

ASSERT_EQ(sigaction(SIGTRAP, &action, &self->oldact), 0);

tools/testing/selftests/perf_events/remove_on_exec.c

96

sigaction(SIGTRAP, &self->oldact, NULL);

tools/testing/selftests/perf_events/sigtrap_threads.c

112

struct sigaction oldact;

tools/testing/selftests/perf_events/sigtrap_threads.c

121

struct sigaction action = {};

tools/testing/selftests/perf_events/sigtrap_threads.c

130

ASSERT_EQ(sigaction(SIGTRAP, &action, &self->oldact), 0);

tools/testing/selftests/perf_events/sigtrap_threads.c

146

sigaction(SIGTRAP, &self->oldact, NULL);

tools/testing/selftests/perf_events/watermark_signal.c

141

sigaction(SIGIO, &previous_sigio, NULL);

tools/testing/selftests/perf_events/watermark_signal.c

45

struct sigaction previous_sigio, sigio = { 0 };

tools/testing/selftests/perf_events/watermark_signal.c

52

EXPECT_EQ(sigaction(SIGIO, &sigio, &previous_sigio), 0);

tools/testing/selftests/powerpc/alignment/alignment_handler.c

619

struct sigaction sa;

tools/testing/selftests/powerpc/alignment/alignment_handler.c

646

if (sigaction(SIGSEGV, &sa, NULL) == -1

tools/testing/selftests/powerpc/alignment/alignment_handler.c

647

|| sigaction(SIGBUS, &sa, NULL) == -1

tools/testing/selftests/powerpc/alignment/alignment_handler.c

648

|| sigaction(SIGILL, &sa, NULL) == -1) {

tools/testing/selftests/powerpc/alignment/copy_first_unaligned.c

39

struct sigaction signal_action;

tools/testing/selftests/powerpc/alignment/copy_first_unaligned.c

44

sigaction(SIGBUS, &signal_action, NULL);

tools/testing/selftests/powerpc/copyloops/exc_validate.c

46

struct sigaction action;

tools/testing/selftests/powerpc/copyloops/exc_validate.c

51

sigaction(SIGSEGV, &action, NULL);

tools/testing/selftests/powerpc/dexcr/dexcr.c

23

struct sigaction old;

tools/testing/selftests/powerpc/dexcr/dexcr.c

92

struct sigaction old;

tools/testing/selftests/powerpc/dexcr/hashchk_test.c

55

struct sigaction old;

tools/testing/selftests/powerpc/harness.c

111

if (sigaction(SIGINT, &sig_action, NULL)) {

tools/testing/selftests/powerpc/harness.c

117

if (sigaction(SIGALRM, &sig_action, NULL)) {

tools/testing/selftests/powerpc/harness.c

95

static struct sigaction sig_action = {

tools/testing/selftests/powerpc/include/utils.h

115

struct sigaction push_signal_handler(int sig, void (*fn)(int, siginfo_t *, void *));

tools/testing/selftests/powerpc/include/utils.h

116

struct sigaction pop_signal_handler(int sig, struct sigaction old_handler);

tools/testing/selftests/powerpc/math/fpu_signal.c

57

struct sigaction act;

tools/testing/selftests/powerpc/math/fpu_signal.c

60

rc = sigaction(SIGUSR1, &act, NULL);

tools/testing/selftests/powerpc/math/vmx_signal.c

76

struct sigaction act;

tools/testing/selftests/powerpc/math/vmx_signal.c

79

rc = sigaction(SIGUSR1, &act, NULL);

tools/testing/selftests/powerpc/mce/inject-ra-err.c

33

struct sigaction act = {

tools/testing/selftests/powerpc/mce/inject-ra-err.c

47

FAIL_IF(sigaction(SIGBUS, &act, NULL) != 0);

tools/testing/selftests/powerpc/mm/bad_accesses.c

70

struct sigaction sig;

tools/testing/selftests/powerpc/mm/bad_accesses.c

73

sig = (struct sigaction) {

tools/testing/selftests/powerpc/mm/bad_accesses.c

78

FAIL_IF(sigaction(SIGSEGV, &sig, NULL) != 0);

tools/testing/selftests/powerpc/mm/exec_prot.c

110

struct sigaction segv_act, trap_act;

tools/testing/selftests/powerpc/mm/exec_prot.c

125

FAIL_IF(sigaction(SIGSEGV, &segv_act, NULL) != 0);

tools/testing/selftests/powerpc/mm/exec_prot.c

133

FAIL_IF(sigaction(SIGTRAP, &trap_act, NULL) != 0);

tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c

107

struct sigaction action;

tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c

134

FAIL_IF(sigaction(SIGALRM, &action, NULL) < 0);

tools/testing/selftests/powerpc/mm/pkey_exec_prot.c

104

struct sigaction segv_act, trap_act;

tools/testing/selftests/powerpc/mm/pkey_exec_prot.c

118

FAIL_IF(sigaction(SIGSEGV, &segv_act, NULL) != 0);

tools/testing/selftests/powerpc/mm/pkey_exec_prot.c

126

FAIL_IF(sigaction(SIGTRAP, &trap_act, NULL) != 0);

tools/testing/selftests/powerpc/mm/pkey_siginfo.c

243

struct sigaction act;

tools/testing/selftests/powerpc/mm/pkey_siginfo.c

275

FAIL_IF(sigaction(SIGSEGV, &act, NULL) != 0);

tools/testing/selftests/powerpc/mm/segv_errors.c

37

struct sigaction act = {

tools/testing/selftests/powerpc/mm/segv_errors.c

46

FAIL_IF(sigaction(SIGSEGV, &act, NULL) != 0);

tools/testing/selftests/powerpc/mm/stack_expansion_signal.c

52

struct sigaction act;

tools/testing/selftests/powerpc/mm/stack_expansion_signal.c

58

if (sigaction(SIGUSR1, &act, NULL) < 0)

tools/testing/selftests/powerpc/mm/subpage_prot.c

151

struct sigaction act = {

tools/testing/selftests/powerpc/mm/subpage_prot.c

165

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/powerpc/mm/subpage_prot.c

187

struct sigaction act = {

tools/testing/selftests/powerpc/mm/subpage_prot.c

202

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/powerpc/mm/tlbie_test.c

440

struct sigaction sa;

tools/testing/selftests/powerpc/mm/tlbie_test.c

445

if (sigaction(SIGSEGV, &sa, NULL) == -1) {

tools/testing/selftests/powerpc/mm/tlbie_test.c

621

struct sigaction sa_alrm;

tools/testing/selftests/powerpc/mm/tlbie_test.c

701

if (sigaction(SIGALRM, &sa_alrm, 0) == -1) {

tools/testing/selftests/powerpc/mm/wild_bctr.c

126

struct sigaction segv = {

tools/testing/selftests/powerpc/mm/wild_bctr.c

130

struct sigaction usr2 = {

tools/testing/selftests/powerpc/mm/wild_bctr.c

135

FAIL_IF(sigaction(SIGSEGV, &segv, NULL));

tools/testing/selftests/powerpc/mm/wild_bctr.c

136

FAIL_IF(sigaction(SIGUSR2, &usr2, NULL));

tools/testing/selftests/powerpc/nx-gzip/gunz_test.c

1005

struct sigaction act;

tools/testing/selftests/powerpc/nx-gzip/gunz_test.c

1015

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/powerpc/nx-gzip/gzfht_test.c

375

struct sigaction act;

tools/testing/selftests/powerpc/nx-gzip/gzfht_test.c

385

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/powerpc/pmu/ebb/ebb.c

416

static struct sigaction sigill_action = {

tools/testing/selftests/powerpc/pmu/ebb/ebb.c

422

if (sigaction(SIGILL, &sigill_action, NULL)) {

tools/testing/selftests/powerpc/pmu/ebb/ebb.c

473

struct sigaction term_action = {

tools/testing/selftests/powerpc/pmu/ebb/ebb.c

481

if (sigaction(SIGTERM, &term_action, NULL))

tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c

26

struct sigaction sigint_action = {

tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c

34

if (sigaction(SIGINT, &sigint_action, NULL)) {

tools/testing/selftests/powerpc/pmu/sampling_tests/mmcr2_fcs_fch_test.c

32

struct sigaction sigact = {

tools/testing/selftests/powerpc/pmu/sampling_tests/mmcr2_fcs_fch_test.c

39

FAIL_IF(sigaction(SIGUSR2, &sigact, NULL));

tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c

94

struct sigaction action;

tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c

99

sigaction(SIGSEGV, &action, NULL);

tools/testing/selftests/powerpc/security/flush_utils.c

72

struct sigaction sa;

tools/testing/selftests/powerpc/security/flush_utils.c

78

if (sigaction(SIGILL, &sa, NULL))

tools/testing/selftests/powerpc/signal/sig_sc_double_restart.c

106

if (sigaction(SIGUSR1, &act, NULL) == -1) {

tools/testing/selftests/powerpc/signal/sig_sc_double_restart.c

114

if (sigaction(SIGUSR2, &act, NULL) == -1) {

tools/testing/selftests/powerpc/signal/sig_sc_double_restart.c

99

struct sigaction act;

tools/testing/selftests/powerpc/signal/sigfuz.c

201

struct sigaction trap_sa, seg_sa;

tools/testing/selftests/powerpc/signal/sigfuz.c

216

sigaction(SIGUSR1, &trap_sa, NULL);

tools/testing/selftests/powerpc/signal/sigfuz.c

219

sigaction(SIGSEGV, &seg_sa, NULL);

tools/testing/selftests/powerpc/signal/signal.c

39

struct sigaction act;

tools/testing/selftests/powerpc/signal/signal.c

46

if (sigaction(SIGUSR1, &act, NULL) < 0) {

tools/testing/selftests/powerpc/signal/signal.c

50

if (sigaction(SIGALRM, &act, NULL) < 0) {

tools/testing/selftests/powerpc/signal/signal_tm.c

44

struct sigaction act;

tools/testing/selftests/powerpc/signal/signal_tm.c

49

if (sigaction(SIGUSR1, &act, NULL) < 0) {

tools/testing/selftests/powerpc/signal/signal_tm.c

53

if (sigaction(SIGALRM, &act, NULL) < 0) {

tools/testing/selftests/powerpc/signal/sigreturn_kernel.c

60

struct sigaction act;

tools/testing/selftests/powerpc/signal/sigreturn_kernel.c

68

FAIL_IF(sigaction(SIGUSR1, &act, NULL));

tools/testing/selftests/powerpc/signal/sigreturn_unaligned.c

27

struct sigaction action;

tools/testing/selftests/powerpc/signal/sigreturn_unaligned.c

33

FAIL_IF(sigaction(SIGUSR1, &action, NULL) == -1);

tools/testing/selftests/powerpc/signal/sigreturn_vdso.c

75

struct sigaction act;

tools/testing/selftests/powerpc/signal/sigreturn_vdso.c

82

assert(sigaction(SIGUSR1, &act, NULL) == 0);

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-fpu.c

76

struct sigaction act;

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-fpu.c

87

if (sigaction(SIGUSR1, &act, NULL) < 0) {

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-gpr.c

78

struct sigaction act;

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-gpr.c

89

if (sigaction(SIGUSR1, &act, NULL) < 0) {

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vmx.c

101

struct sigaction act;

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vmx.c

112

if (sigaction(SIGUSR1, &act, NULL) < 0) {

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vsx.c

150

struct sigaction act;

tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vsx.c

161

if (sigaction(SIGUSR1, &act, NULL) < 0) {

tools/testing/selftests/powerpc/tm/tm-signal-context-force-tm.c

110

struct sigaction usr_sa, seg_sa;

tools/testing/selftests/powerpc/tm/tm-signal-context-force-tm.c

153

sigaction(SIGUSR1, &usr_sa, NULL);

tools/testing/selftests/powerpc/tm/tm-signal-context-force-tm.c

155

sigaction(SIGSEGV, &seg_sa, NULL);

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

51

struct sigaction act;

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

58

if (sigaction(SIGUSR1, &act, NULL) < 0) {

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

225

struct sigaction sa;

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

249

if (sigaction(SIGTRAP, &sa, NULL) == -1) {

tools/testing/selftests/powerpc/tm/tm-signal-sigreturn-nt.c

32

struct sigaction trap_sa;

tools/testing/selftests/powerpc/tm/tm-signal-sigreturn-nt.c

40

sigaction(SIGTRAP, &trap_sa, NULL);

tools/testing/selftests/powerpc/tm/tm-sigreturn.c

54

struct sigaction sa;

tools/testing/selftests/powerpc/tm/tm-sigreturn.c

65

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/powerpc/tm/tm-trap.c

255

struct sigaction trap_sa;

tools/testing/selftests/powerpc/tm/tm-trap.c

262

sigaction(SIGTRAP, &trap_sa, NULL);

tools/testing/selftests/powerpc/tm/tm-trap.c

264

struct sigaction usr1_sa;

tools/testing/selftests/powerpc/tm/tm-trap.c

268

sigaction(SIGUSR1, &usr1_sa, NULL);

tools/testing/selftests/powerpc/utils.c

622

struct sigaction push_signal_handler(int sig, void (*fn)(int, siginfo_t *, void *))

tools/testing/selftests/powerpc/utils.c

624

struct sigaction sa;

tools/testing/selftests/powerpc/utils.c

625

struct sigaction old_handler;

tools/testing/selftests/powerpc/utils.c

630

FAIL_IF_EXIT_MSG(sigaction(sig, &sa, &old_handler),

tools/testing/selftests/powerpc/utils.c

636

struct sigaction pop_signal_handler(int sig, struct sigaction old_handler)

tools/testing/selftests/powerpc/utils.c

638

struct sigaction popped;

tools/testing/selftests/powerpc/utils.c

640

FAIL_IF_EXIT_MSG(sigaction(sig, &old_handler, &popped),

tools/testing/selftests/proc/proc-empty-vm.c

185

struct sigaction act = {};

tools/testing/selftests/proc/proc-empty-vm.c

188

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/proc/proc-empty-vm.c

483

struct sigaction act = {};

tools/testing/selftests/proc/proc-empty-vm.c

486

sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/proc/proc-pid-vm.c

257

struct sigaction act;

tools/testing/selftests/proc/proc-pid-vm.c

258

memset(&act, 0, sizeof(struct sigaction));

tools/testing/selftests/proc/proc-pid-vm.c

261

(void)sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/resctrl/resctrl_val.c

397

struct sigaction sigact = {};

tools/testing/selftests/resctrl/resctrl_val.c

406

if (sigaction(SIGINT, &sigact, NULL) ||

tools/testing/selftests/resctrl/resctrl_val.c

407

sigaction(SIGTERM, &sigact, NULL) ||

tools/testing/selftests/resctrl/resctrl_val.c

408

sigaction(SIGHUP, &sigact, NULL)) {

tools/testing/selftests/resctrl/resctrl_val.c

422

struct sigaction sigact = {};

tools/testing/selftests/resctrl/resctrl_val.c

427

if (sigaction(SIGINT, &sigact, NULL) ||

tools/testing/selftests/resctrl/resctrl_val.c

428

sigaction(SIGTERM, &sigact, NULL) ||

tools/testing/selftests/resctrl/resctrl_val.c

429

sigaction(SIGHUP, &sigact, NULL)) {

tools/testing/selftests/riscv/cfi/cfitests.c

36

struct sigaction sa = {};

tools/testing/selftests/riscv/cfi/cfitests.c

40

if (sigaction(SIGSEGV, &sa, NULL)) {

tools/testing/selftests/riscv/cfi/shadowstack.c

289

struct sigaction sa = {};

tools/testing/selftests/riscv/cfi/shadowstack.c

294

if (sigaction(SIGUSR1, &sa, NULL)) {

tools/testing/selftests/riscv/hwprobe/cbo.c

112

struct sigaction act = {

tools/testing/selftests/riscv/hwprobe/cbo.c

116

struct sigaction dfl = {

tools/testing/selftests/riscv/hwprobe/cbo.c

123

rc = sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/riscv/hwprobe/cbo.c

125

rc = sigaction(SIGBUS, &act, NULL);

tools/testing/selftests/riscv/hwprobe/cbo.c

146

rc = sigaction(SIGBUS, &dfl, NULL);

tools/testing/selftests/riscv/hwprobe/cbo.c

148

rc = sigaction(SIGSEGV, &dfl, NULL);

tools/testing/selftests/riscv/hwprobe/cbo.c

297

struct sigaction act = {

tools/testing/selftests/riscv/hwprobe/cbo.c

314

rc = sigaction(SIGILL, &act, NULL);

tools/testing/selftests/riscv/hwprobe/cbo.c

320

rc = sigaction(SIGILL, &act, NULL);

tools/testing/selftests/riscv/sigreturn/sigreturn.c

45

struct sigaction sig_action = {

tools/testing/selftests/riscv/sigreturn/sigreturn.c

50

sigaction(SIGSEGV, &sig_action, 0);

tools/testing/selftests/rseq/param_test.c

1223

struct sigaction sa;

tools/testing/selftests/rseq/param_test.c

1235

ret = sigaction(SIGUSR1, &sa, NULL);

tools/testing/selftests/seccomp/seccomp_bpf.c

1133

struct sigaction act;

tools/testing/selftests/seccomp/seccomp_bpf.c

1142

ret = sigaction(SIGSYS, &act, NULL);

tools/testing/selftests/seccomp/seccomp_bpf.c

1539

struct sigaction action = {

tools/testing/selftests/seccomp/seccomp_bpf.c

1545

ASSERT_EQ(0, sigaction(SIGUSR1, &action, NULL));

tools/testing/selftests/seccomp/seccomp_bpf.c

4639

struct sigaction new_action = {

tools/testing/selftests/seccomp/seccomp_bpf.c

4677

if (sigaction(SIGUSR1, &new_action, NULL)) {

tools/testing/selftests/seccomp/seccomp_bpf.c

4709

struct sigaction new_action = {

tools/testing/selftests/seccomp/seccomp_bpf.c

4744

if (sigaction(SIGUSR1, &new_action, NULL)) {

tools/testing/selftests/seccomp/seccomp_bpf.c

4868

struct sigaction new_action = {

tools/testing/selftests/seccomp/seccomp_bpf.c

4881

if (sigaction(SIGALRM, &new_action, NULL)) {

tools/testing/selftests/signal/mangle_uc_sigmask.c

124

struct sigaction act, act2;

tools/testing/selftests/signal/mangle_uc_sigmask.c

138

if (sigaction(SIGUSR1, &act, NULL))

tools/testing/selftests/signal/mangle_uc_sigmask.c

144

if (sigaction(SIGSEGV, &act2, NULL))

tools/testing/selftests/signal/mangle_uc_sigmask.c

161

if (sigaction(SIGUSR1, &act, NULL))

tools/testing/selftests/signal/sas.c

108

struct sigaction act;

tools/testing/selftests/signal/sas.c

122

sigaction(SIGUSR1, &act, NULL);

tools/testing/selftests/signal/sas.c

124

sigaction(SIGUSR2, &act, NULL);

tools/testing/selftests/syscall_user_dispatch/sud_benchmark.c

138

struct sigaction act;

tools/testing/selftests/syscall_user_dispatch/sud_benchmark.c

155

ret = sigaction(SIGSYS, &act, NULL);

tools/testing/selftests/syscall_user_dispatch/sud_test.c

199

struct sigaction act;

tools/testing/selftests/syscall_user_dispatch/sud_test.c

207

return sigaction(SIGSYS, &act, NULL);

tools/testing/selftests/syscall_user_dispatch/sud_test.c

258

struct sigaction act;

tools/testing/selftests/syscall_user_dispatch/sud_test.c

274

ret = sigaction(SIGSYS, &act, NULL);

tools/testing/selftests/timers/alarmtimer-suspend.c

110

struct sigaction act;

tools/testing/selftests/timers/alarmtimer-suspend.c

117

sigaction(signum, &act, NULL);

tools/testing/selftests/timers/leap-a-day.c

180

struct sigaction act;

tools/testing/selftests/timers/leap-a-day.c

228

sigaction(signum, &act, NULL);

tools/testing/selftests/timers/nanosleep.c

128

struct sigaction sa = {};

tools/testing/selftests/timers/nanosleep.c

133

ret = sigaction(SIGALRM, &sa, NULL);

tools/testing/selftests/timers/nanosleep.c

156

ret = sigaction(SIGALRM, &sa, NULL);

tools/testing/selftests/timers/posix_timers.c

263

struct sigaction sa;

tools/testing/selftests/timers/posix_timers.c

278

if (sigaction(SIGUSR1, &sa, NULL))

tools/testing/selftests/timers/posix_timers.c

323

if (sigaction(SIGUSR1, &sa, NULL))

tools/testing/selftests/timers/posix_timers.c

348

struct sigaction sa;

tools/testing/selftests/timers/posix_timers.c

356

if (sigaction(SIGUSR1, &sa, NULL))

tools/testing/selftests/timers/posix_timers.c

404

struct sigaction sa;

tools/testing/selftests/timers/posix_timers.c

412

if (sigaction(SIGUSR1, &sa, NULL))

tools/testing/selftests/timers/posix_timers.c

553

struct sigaction sa;

tools/testing/selftests/timers/posix_timers.c

561

if (sigaction(SIGUSR1, &sa, NULL))

tools/testing/selftests/timers/set-timer-lat.c

242

struct sigaction act;

tools/testing/selftests/timers/set-timer-lat.c

251

sigaction(signum, &act, NULL);

tools/testing/selftests/uevent/uevent_filtering.c

353

struct sigaction act;

tools/testing/selftests/uevent/uevent_filtering.c

374

ret = sigaction(SIGTERM, &act, NULL);

tools/testing/selftests/x86/helpers.h

32

struct sigaction sa;

tools/testing/selftests/x86/helpers.h

38

if (sigaction(sig, &sa, 0))

tools/testing/selftests/x86/helpers.h

44

struct sigaction sa;

tools/testing/selftests/x86/helpers.h

49

if (sigaction(sig, &sa, 0))

tools/testing/selftests/x86/nx_stack.c

164

struct sigaction act = {};

tools/testing/selftests/x86/nx_stack.c

168

int rv = sigaction(SIGSEGV, &act, NULL);

tools/testing/selftests/x86/nx_stack.c

172

struct sigaction act = {};

tools/testing/selftests/x86/nx_stack.c

176

int rv = sigaction(SIGTRAP, &act, NULL);

tools/testing/selftests/x86/ptrace_syscall.c

100

struct sigaction sa;

tools/testing/selftests/x86/ptrace_syscall.c

105

if (sigaction(sig, &sa, 0))

tools/testing/selftests/x86/sigtrap_loop.c

22

struct sigaction sa;

tools/testing/selftests/x86/sigtrap_loop.c

29

if (sigaction(sig, &sa, 0))

tools/testing/selftests/x86/test_shadow_stack.c

222

struct sigaction sa = {};

tools/testing/selftests/x86/test_shadow_stack.c

226

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/x86/test_shadow_stack.c

318

struct sigaction sa = {};

tools/testing/selftests/x86/test_shadow_stack.c

324

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/x86/test_shadow_stack.c

401

struct sigaction sa = {};

tools/testing/selftests/x86/test_shadow_stack.c

405

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/x86/test_shadow_stack.c

486

struct sigaction sa = {};

tools/testing/selftests/x86/test_shadow_stack.c

493

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/x86/test_shadow_stack.c

665

int sigaction32(int signum, const struct sigaction *restrict act,

tools/testing/selftests/x86/test_shadow_stack.c

666

struct sigaction *restrict oldact)

tools/testing/selftests/x86/test_shadow_stack.c

703

struct sigaction sa = {};

tools/testing/selftests/x86/test_shadow_stack.c

704

struct sigaction *sa32;

tools/testing/selftests/x86/test_shadow_stack.c

713

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/x86/test_shadow_stack.c

818

struct sigaction sa = {};

tools/testing/selftests/x86/test_shadow_stack.c

838

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/selftests/x86/test_shadow_stack.c

885

struct sigaction sa= {};

tools/testing/selftests/x86/test_shadow_stack.c

899

if (sigaction(SIGSEGV, &sa, NULL))

tools/testing/vsock/util.c

34

struct sigaction act = {

tools/testing/vsock/util.c

38

sigaction(SIGALRM, &act, NULL);

tools/testing/vsock/vsock_test.c

1140

struct sigaction act = {

tools/testing/vsock/vsock_test.c

1144

sigaction(SIGPIPE, &act, NULL);

tools/testing/vsock/vsock_test.c

1183

struct sigaction act = {

tools/testing/vsock/vsock_test.c

1187

sigaction(SIGPIPE, &act, NULL);

tools/tracing/latency/latency-collector.c

302

const struct sigaction *act,

tools/tracing/latency/latency-collector.c

303

struct sigaction *oldact)

tools/tracing/latency/latency-collector.c

305

if (unlikely(sigaction(signum, act, oldact) != 0)) {

tools/tracing/latency/latency-collector.c

483

struct sigaction sa;

tools/usb/usbip/src/usbipd.c

453

struct sigaction act;

tools/usb/usbip/src/usbipd.c

458

sigaction(SIGTERM, &act, NULL);

tools/usb/usbip/src/usbipd.c

459

sigaction(SIGINT, &act, NULL);

tools/usb/usbip/src/usbipd.c

461

sigaction(SIGCHLD, &act, NULL);