arch/um/drivers/harddog_user.c

22

dup2(data->stdin_fd, 0);

arch/um/drivers/harddog_user.c

23

dup2(data->stdout_fd, 1);

arch/um/drivers/harddog_user.c

24

dup2(data->stdout_fd, 2);

arch/um/drivers/port_user.c

159

dup2(data->sock_fd, 0);

arch/um/drivers/port_user.c

160

dup2(data->sock_fd, 1);

arch/um/drivers/port_user.c

161

dup2(data->sock_fd, 2);

arch/um/drivers/port_user.c

163

dup2(data->pipe_fd, 3);

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

335

if (dup2(tramp_data->sockpair[0], 0) < 0)

fs/file.c

1464

SYSCALL_DEFINE2(dup2, unsigned int, oldfd, unsigned int, newfd)

fs/hostfs/hostfs_user.c

182

return dup2(oldfd, fd);

tools/lib/subcmd/pager.c

105

dup2(pager_process.in, 1);

tools/lib/subcmd/pager.c

107

dup2(pager_process.in, 2);

tools/lib/subcmd/run-command.c

105

dup2(2, 1);

tools/lib/subcmd/run-command.c

107

dup2(fdout[1], 1);

tools/lib/subcmd/run-command.c

110

dup2(cmd->out, 1);

tools/lib/subcmd/run-command.c

27

dup2(fd, to);

tools/lib/subcmd/run-command.c

88

dup2(fdin[0], 0);

tools/lib/subcmd/run-command.c

91

dup2(cmd->in, 0);

tools/lib/subcmd/run-command.c

98

dup2(fderr[1], 2);

tools/perf/bench/inject-buildid.c

303

dup2(data->input_pipe[0], STDIN_FILENO);

tools/perf/bench/inject-buildid.c

305

dup2(data->output_pipe[1], STDOUT_FILENO);

tools/perf/bench/inject-buildid.c

312

dup2(dev_null_fd, STDERR_FILENO);

tools/perf/builtin-daemon.c

1216

dup2(fd, 1);

tools/perf/builtin-daemon.c

1217

dup2(fd, 2);

tools/perf/builtin-daemon.c

360

dup2(fd, 0);

tools/perf/builtin-daemon.c

369

dup2(fd, 1);

tools/perf/builtin-daemon.c

370

dup2(fd, 2);

tools/perf/builtin-script.c

4304

dup2(live_pipe[1], 1);

tools/perf/builtin-script.c

4339

dup2(live_pipe[0], 0);

tools/perf/util/evlist.c

1495

dup2(2, 1);

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

83

ret = dup2(pipefd[1], 1);

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

93

ret = dup2(startup_pipe[0], 3);

tools/testing/selftests/arm64/fp/vec-syscfg.c

120

ret = dup2(pipefd[1], 1);

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

79

ret = dup2(pipefd[1], 1);

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

89

ret = dup2(startup_pipe[0], 3);

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

131

dup2(new_stdin[0], STDIN_FILENO);

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

137

dup2(new_stdout[1], STDOUT_FILENO);

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

41

dup2(null_fd, STDOUT_FILENO);

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

42

dup2(null_fd, STDERR_FILENO);

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

34

dup2(null_fd, STDOUT_FILENO);

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

35

dup2(null_fd, STDERR_FILENO);

tools/testing/selftests/core/close_range_test.c

394

fd2 = dup2(fd1, 1000);

tools/testing/selftests/core/close_range_test.c

425

fd3 = dup2(fd1, 42);

tools/testing/selftests/core/close_range_test.c

464

fd3 = dup2(fd1, 42);

tools/testing/selftests/core/close_range_test.c

521

fd2 = dup2(fd1, 1000);

tools/testing/selftests/core/close_range_test.c

548

fd3 = dup2(fd1, 42);

tools/testing/selftests/core/close_range_test.c

584

fd3 = dup2(fd1, 42);

tools/testing/selftests/core/close_range_test.c

607

EXPECT_GE(dup2(0, i), 0);

tools/testing/selftests/core/unshare_test.c

60

EXPECT_GE(dup2(2, nr_open + 64), 0) {

tools/testing/selftests/filesystems/anon_inode_test.c

61

ASSERT_GE(dup2(fd_context, 500), 0);

tools/testing/selftests/filesystems/devpts_pts.c

20

ret = dup2(duplicate, original);

tools/testing/selftests/kcmp/kcmp_test.c

69

fddup = dup2(pipefd[1], duped_num);

tools/testing/selftests/landlock/fs_test.c

4231

ASSERT_EQ(0, dup2(stdinbak_fd, 0));

tools/testing/selftests/nolibc/nolibc-test.c

1399

CASE_TEST(dup2_0); tmp = dup2(0, 100); EXPECT_SYSNE(1, tmp, -1); close(tmp); break;

tools/testing/selftests/nolibc/nolibc-test.c

1400

CASE_TEST(dup2_m1); tmp = dup2(-1, 100); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break;

tools/testing/selftests/nolibc/nolibc-test.c

1922

dup2(fd, 0);

tools/testing/selftests/nolibc/nolibc-test.c

1924

dup2(fd, 1);

tools/testing/selftests/nolibc/nolibc-test.c

1926

dup2(fd, 2);

tools/testing/selftests/openat2/helpers.h

76

#define E_dup2(...) E_func(dup2, __VA_ARGS__)

tools/testing/selftests/perf_events/remove_on_exec.c

141

ASSERT_NE(dup2(pipefd[1], STDOUT_FILENO), -1);

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

136

if (dup2(pipefd[1], STDOUT_FILENO) == -1)

tools/testing/selftests/proc/fd-001-lookup.c

158

if (dup2(fd, target_fd) == target_fd)

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

323

if (dup2(pipefd[1], 0) != 0) {

tools/testing/selftests/resctrl/resctrlfs.c

923

dup2(pipefds[1], STDOUT_FILENO);

tools/testing/selftests/seccomp/seccomp_bpf.c

3957

if (dup2(listener, 200) != 200)

tools/testing/selftests/seccomp/seccomp_bpf.c

4011

if (dup2(listener, 200) != 200)

tools/testing/selftests/seccomp/seccomp_bpf.c

4070

if (dup2(listener, 200) != 200)

tools/testing/selftests/wireguard/qemu/init.c

224

dup2(fd, 0);

tools/testing/selftests/wireguard/qemu/init.c

225

dup2(fd, 1);

tools/testing/selftests/wireguard/qemu/init.c

226

dup2(fd, 2);