arch/loongarch/kernel/asm-offsets.c

247

DEFINE(_SIGCHLD, SIGCHLD);

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

44

#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */

arch/mips/kernel/asm-offsets.c

287

DEFINE(_SIGCHLD, SIGCHLD);

arch/sparc/kernel/process.c

24

.exit_signal = SIGCHLD,

arch/sparc/kernel/process.c

52

.exit_signal = SIGCHLD,

arch/um/os-Linux/helper.c

230

sigaddset(&sigset, SIGCHLD);

arch/um/os-Linux/process.c

186

set_handler(SIGCHLD);

arch/um/os-Linux/signal.c

108

if (!enabled && (sig == SIGCHLD)) {

arch/um/os-Linux/signal.c

198

[SIGCHLD] = sig_handler,

arch/um/os-Linux/signal.c

229

sigaddset(&action.sa_mask, SIGCHLD);

arch/um/os-Linux/signal.c

34

[SIGCHLD] = sigchld_handler,

arch/um/os-Linux/signal.c

356

sigchld_handler(SIGCHLD, NULL, &regs, NULL);

arch/um/os-Linux/signal.c

49

if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGCHLD))

arch/um/os-Linux/skas/process.c

478

CLONE_VFORK | CLONE_VM | SIGCHLD,

arch/x86/kernel/signal_64.c

288

if (from->si_signo == SIGCHLD) {

fs/exec.c

1017

tsk->exit_signal = SIGCHLD;

fs/exec.c

1040

tsk->exit_signal = SIGCHLD;

include/linux/signal.h

435

rt_sigmask(SIGCONT) | rt_sigmask(SIGCHLD) | \

include/linux/signal.h

441

rt_sigmask(SIGTRAP) | rt_sigmask(SIGCHLD) | \

io_uring/waitid.c

102

signo = SIGCHLD;

kernel/exit.c

1195

if ((p->exit_signal != SIGCHLD) ^ !!(wo->wo_flags & __WCLONE))

kernel/exit.c

1856

signo = SIGCHLD;

kernel/exit.c

1991

signo = SIGCHLD;

kernel/exit.c

715

p->exit_signal = SIGCHLD;

kernel/exit.c

787

? tsk->exit_signal : SIGCHLD;

kernel/fork.c

2739

else if (args->exit_signal != SIGCHLD)

kernel/fork.c

2832

.exit_signal = SIGCHLD,

kernel/fork.c

2848

.exit_signal = SIGCHLD,

kernel/kthread.c

460

CLONE_FS | CLONE_FILES | SIGCHLD);

kernel/pid_namespace.c

209

me->sighand->action[SIGCHLD - 1].sa.sa_handler = SIG_IGN;

kernel/ptrace.c

542

ret = (sigh->action[SIGCHLD-1].sa.sa_handler == SIG_IGN) ||

kernel/ptrace.c

543

(sigh->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDWAIT);

kernel/signal.c

2194

if (sig != SIGCHLD) {

kernel/signal.c

2200

sig = SIGCHLD;

kernel/signal.c

2239

if (!tsk->ptrace && sig == SIGCHLD &&

kernel/signal.c

2240

(psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN ||

kernel/signal.c

2241

(psig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDWAIT))) {

kernel/signal.c

2258

if (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN)

kernel/signal.c

2307

info.si_signo = SIGCHLD;

kernel/signal.c

2338

if (sighand->action[SIGCHLD-1].sa.sa_handler != SIG_IGN &&

kernel/signal.c

2339

!(sighand->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDSTOP))

kernel/signal.c

2340

send_signal_locked(SIGCHLD, &info, parent, PIDTYPE_TGID);

kernel/signal.c

3441

[SIGCHLD] = { NSIGCHLD, SIL_CHLD },

kernel/umh.c

131

kernel_sigaction(SIGCHLD, SIG_DFL);

kernel/umh.c

132

pid = user_mode_thread(call_usermodehelper_exec_async, sub_info, SIGCHLD);

kernel/umh.c

139

kernel_sigaction(SIGCHLD, SIG_IGN);

kernel/umh.c

172

CLONE_PARENT | SIGCHLD);

samples/pidfd/pidfd-metadata.c

40

return __clone2(do_child, stack, stack_size, flags | SIGCHLD, NULL, pidfd);

samples/pidfd/pidfd-metadata.c

42

return clone(do_child, stack + stack_size, flags | SIGCHLD, NULL, pidfd);

security/apparmor/include/sig_names.h

28

[SIGCHLD] = 17, /* 20, 17, 18. SIGCHLD -, -, 18 */

security/selinux/hooks.c

1615

case SIGCHLD:

tools/accounting/getdelays.c

549

if (sigaddset(&sigset, SIGCHLD))

tools/include/nolibc/arch-s390.h

189

return __nolibc_syscall5(__NR_clone, 0, SIGCHLD, 0, 0, 0);

tools/include/nolibc/arch-s390.h

196

return __nolibc_syscall5(__NR_clone, 0, CLONE_VM | CLONE_VFORK | SIGCHLD, 0, 0, 0);

tools/include/nolibc/sys.h

374

return __nolibc_syscall5(__NR_clone, SIGCHLD, 0, 0, 0, 0);

tools/include/nolibc/sys.h

393

return __nolibc_syscall5(__NR_clone, CLONE_VM | CLONE_VFORK | SIGCHLD, 0, 0, 0, 0);

tools/perf/builtin-daemon.c

1236

sigaddset(&mask, SIGCHLD);

tools/perf/builtin-ftrace.c

1863

signal(SIGCHLD, sig_handler);

tools/perf/builtin-lock.c

2065

signal(SIGCHLD, sighandler);

tools/perf/builtin-record.c

2444

signal(SIGCHLD, sig_handler);

tools/perf/builtin-record.c

691

if (sig == SIGCHLD)

tools/perf/builtin-sched.c

3917

signal(SIGCHLD, sighandler);

tools/perf/builtin-sched.c

4849

signal(SIGCHLD, sighandler);

tools/perf/builtin-stat.c

1125

sigaddset(&set, SIGCHLD);

tools/perf/builtin-stat.c

2984

signal(SIGCHLD, skip_signal);

tools/perf/builtin-trace.c

5561

sigaction(SIGCHLD, &sigchld_act, NULL);

tools/perf/tests/task-exit.c

58

signal(SIGCHLD, sig_handler);

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

160

sigaddset(&sig_set, SIGCHLD);

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

545

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

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

429

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

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

46

cpid = clone(do_sleep, child_stack + STACK_SIZE, CLONE_FILES | SIGCHLD, fexit_skel);

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

191

CLONE_NEWPID | SIGCHLD, arg);

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

154

CLONE_NEWPID | SIGCHLD, (void *)prog_name);

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

115

CLONE_VM|SIGCHLD, child);

tools/testing/selftests/cgroup/lib/cgroup_util.c

441

.exit_signal = SIGCHLD,

tools/testing/selftests/cgroup/test_core.c

834

CLONE_NEWCGROUP | CLONE_FILES | CLONE_VM | SIGCHLD,

tools/testing/selftests/clone3/clone3.c

306

.flags = SIGCHLD,

tools/testing/selftests/clone3/clone3.c

37

.exit_signal = SIGCHLD,

tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c

44

.exit_signal = SIGCHLD,

tools/testing/selftests/clone3/clone3_clear_sighand.c

54

args.exit_signal = SIGCHLD;

tools/testing/selftests/clone3/clone3_set_tid.c

49

.exit_signal = SIGCHLD,

tools/testing/selftests/core/close_range_test.c

114

.exit_signal = SIGCHLD,

tools/testing/selftests/core/close_range_test.c

203

.exit_signal = SIGCHLD,

tools/testing/selftests/core/close_range_test.c

387

.exit_signal = SIGCHLD,

tools/testing/selftests/core/close_range_test.c

504

.exit_signal = SIGCHLD,

tools/testing/selftests/core/close_range_test.c

602

.exit_signal = SIGCHLD,

tools/testing/selftests/core/unshare_test.c

26

.exit_signal = SIGCHLD,

tools/testing/selftests/filesystems/empty_mntns/clone3_empty_mntns_test.c

261

.exit_signal = SIGCHLD,

tools/testing/selftests/filesystems/empty_mntns/clone3_empty_mntns_test.c

298

.exit_signal = SIGCHLD,

tools/testing/selftests/filesystems/empty_mntns/clone3_empty_mntns_test.c

37

.exit_signal = SIGCHLD,

tools/testing/selftests/filesystems/empty_mntns/clone3_empty_mntns_test.c

873

.exit_signal = SIGCHLD,

tools/testing/selftests/filesystems/empty_mntns/clone3_empty_mntns_test.c

908

.exit_signal = SIGCHLD,

tools/testing/selftests/filesystems/nsfs/pidns.c

50

pid = clone(child, ca.stack_ptr, CLONE_NEWUSER | CLONE_NEWPID | SIGCHLD, NULL);

tools/testing/selftests/filesystems/utils.c

148

return __clone2(fn, stack, __STACK_SIZE, flags | SIGCHLD, arg, NULL);

tools/testing/selftests/filesystems/utils.c

150

return clone(fn, stack + __STACK_SIZE, flags | SIGCHLD, arg, NULL);

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

94

pid = clone(fn, stack, CLONE_VM | SIGCHLD, arg);

tools/testing/selftests/membarrier/membarrier_rseq_stress.c

520

sigaddset(&mask, SIGCHLD);

tools/testing/selftests/membarrier/membarrier_rseq_stress.c

545

CLONE_VM | SIGCHLD, (void *)(uintptr_t)i);

tools/testing/selftests/membarrier/membarrier_rseq_stress.c

576

} else if (sig == SIGCHLD) {

tools/testing/selftests/membarrier/membarrier_rseq_stress.c

793

pid_t child = clone(run_throttle_child, stack + 1024 * 1024, CLONE_VM | SIGCHLD, NULL);

tools/testing/selftests/memfd/fuse_test.c

213

SIGCHLD | CLONE_FILES | CLONE_FS | CLONE_VM,

tools/testing/selftests/memfd/memfd_test.c

807

pid = clone(fn, stack + STACK_SIZE, SIGCHLD | flags, arg);

tools/testing/selftests/mm/protection_keys.c

443

signal(SIGCHLD, &sig_chld);

tools/testing/selftests/mount_setattr/mount_setattr_test.c

1175

return __clone2(fn, stack, __STACK_SIZE, flags | SIGCHLD, arg, NULL);

tools/testing/selftests/mount_setattr/mount_setattr_test.c

1177

return clone(fn, stack + __STACK_SIZE, flags | SIGCHLD, arg, NULL);

tools/testing/selftests/move_mount_set_group/move_mount_set_group_test.c

277

return __clone2(fn, stack, __STACK_SIZE, flags | SIGCHLD, arg, NULL);

tools/testing/selftests/move_mount_set_group/move_mount_set_group_test.c

279

return clone(fn, stack + __STACK_SIZE, flags | SIGCHLD, arg, NULL);

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/pid_namespace/pid_max.c

94

ret = __clone2(fn, stack, __STACK_SIZE, flags | SIGCHLD, arg);

tools/testing/selftests/pid_namespace/pid_max.c

96

ret = clone(fn, stack + __STACK_SIZE, flags | SIGCHLD, arg);

tools/testing/selftests/pid_namespace/pidns_init_via_setns.c

150

.exit_signal = SIGCHLD,

tools/testing/selftests/pidfd/pidfd.h

279

.exit_signal = SIGCHLD,

tools/testing/selftests/pidfd/pidfd_autoreap_test.c

108

.exit_signal = SIGCHLD,

tools/testing/selftests/pidfd/pidfd_fdinfo_test.c

96

static int flags = CLONE_PIDFD | CLONE_NEWPID | CLONE_NEWNS | SIGCHLD;

tools/testing/selftests/pidfd/pidfd_test.c

39

return __clone2(fn, stack, stack_size, flags | SIGCHLD, NULL, pidfd);

tools/testing/selftests/pidfd/pidfd_test.c

41

return clone(fn, stack + stack_size, flags | SIGCHLD, NULL, pidfd);

tools/testing/selftests/pidfd/pidfd_wait.c

110

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

119

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

124

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

131

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

146

.exit_signal = SIGCHLD,

tools/testing/selftests/pidfd/pidfd_wait.c

208

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

215

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

37

.exit_signal = SIGCHLD,

tools/testing/selftests/pidfd/pidfd_wait.c

72

ASSERT_EQ(info.si_signo, SIGCHLD);

tools/testing/selftests/pidfd/pidfd_wait.c

85

.exit_signal = SIGCHLD,

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

211

CLONE_VM | SIGCHLD, NULL);

tools/testing/selftests/riscv/vector/validate_v_ptrace.c

29

pid = (pid_t)syscall(SYS_clone, SIGCHLD, 0, NULL, 0, NULL);

tools/testing/selftests/sched/cs_prctl_test.c

187

SIGCHLD, &proc[i]);

tools/testing/selftests/sched_ext/init_enable_count.c

51

signal(SIGCHLD, SIG_IGN);

tools/testing/selftests/sched_ext/init_enable_count.c

73

signal(SIGCHLD, SIG_DFL);

tools/testing/selftests/seccomp/seccomp_bpf.c

3942

.exit_signal = SIGCHLD,

tools/testing/selftests/seccomp/seccomp_bpf.c

3993

.exit_signal = SIGCHLD,

tools/testing/selftests/seccomp/seccomp_bpf.c

4053

.exit_signal = SIGCHLD,

tools/testing/selftests/uevent/uevent_filtering.c

253

sigaddset(&mask, SIGCHLD);

tools/testing/selftests/user_events/abi_test.c

438

CLONE_VM | SIGCHLD, &self->check));

tools/testing/selftests/x86/lam.c

869

SIGCHLD | CLONE_FILES | CLONE_FS | CLONE_VM, NULL);

tools/testing/selftests/x86/lam.c

897

SIGCHLD | CLONE_FILES | CLONE_FS | CLONE_VM, test);

tools/thermal/thermometer/thermometer.c

500

sigaddset(&mask, SIGCHLD);

tools/usb/usbip/src/usbipd.c

461

sigaction(SIGCHLD, &act, NULL);