}
	if flushErr := s.flushLog(log); err == nil {
		err = flushErr
	}
	return err
}

// Chdir changes the State's working directory to the given path.
func (s *State) Chdir(path string) error {
	dir := s.Path(path)
	if _, err := os.Stat(dir); err != nil {
		return &fs.PathError{Op: "Chdir", Path: dir, Err: err}
	}
	s.pwd = dir
	s.Setenv("PWD", dir)
	return nil
}

	err := os.MkdirAll(dirname, 0o700)
	if err != nil {
		t.Skipf("MkdirAll failed: %v", err)
	}
	err = os.Chdir(dirname)
	if err != nil {
		t.Skipf("Chdir failed: %v", err)
	}
	// Change out of the temporary directory so that we don't inhibit its
	// removal during test cleanup.
	defer os.Chdir(`\`)

	syscall.Getwd()
}

func TestGetStartupInfo(t *testing.T) {
	var si syscall.StartupInfo

}

func TestWalkDir(t *testing.T) {
	tmpDir := t.TempDir()

	origDir, err := os.Getwd()
	if err != nil {
		t.Fatal("finding working dir:", err)
	}
	if err = os.Chdir(tmpDir); err != nil {
		t.Fatal("entering temp dir:", err)
	}
	defer os.Chdir(origDir)

	fsys := makeTree()
	errors := make([]error, 0, 10)
	clear := true
	markFn := func(path string, entry DirEntry, err error) error {

// license that can be found in the LICENSE file.

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
)

func main() {
	err := os.Chdir(filepath.Join("fixedbugs", "issue9355.dir"))
	check(err)

	f, err := ioutil.TempFile("", "issue9355-*.o")
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
	f.Close()

	"syscall"
)

func open(filePath string, flag int, perm uint32) (int, poll.SysFile, error) {
	if filePath == "" {
		return -1, poll.SysFile{}, syscall.EINVAL
	}
	absPath := filePath
	// os.(*File).Chdir is emulated by setting the working directory to the
	// absolute path that this file was opened at, which is why we have to
	// resolve and capture it here.
	if filePath[0] != '/' {
		wd, err := syscall.Getwd()

var pwd, tmpdir string

func main() {
	dir, err := ioutil.TempDir("", "go-test-linkobj-")
	if err != nil {
		log.Fatal(err)
	}
	pwd, err = os.Getwd()
	if err != nil {
		log.Fatal(err)
	}
	if err := os.Chdir(dir); err != nil {
		os.RemoveAll(dir)
		log.Fatal(err)
	}
	tmpdir = dir

	writeFile("p1.go", `
		package p1

		func F() {
			println("hello from p1")
		}
	`)
	writeFile("p2.go", `

	// If there is no SysProcAttr (ie. no Chroot or changed
	// UID/GID), double-check existence of the directory we want
	// to chdir into. We can make the error clearer this way.
	if attr != nil && attr.Sys == nil && attr.Dir != "" {
		if _, err := Stat(attr.Dir); err != nil {
			pe := err.(*PathError)
			pe.Op = "chdir"
			return nil, pe
		}
	}

	sysattr := &syscall.ProcAttr{
		Dir: attr.Dir,
		Env: attr.Env,

	// declaring the same path.
	modRoot := filepath.Join(GOPATH, "src", "cgostdio")
	if err := cgotest.OverlayDir(modRoot, "testdata"); err != nil {
		log.Panic(err)
	}
	if err := os.Chdir(modRoot); err != nil {
		log.Panic(err)
	}
	os.Setenv("PWD", modRoot)
	if err := os.WriteFile("go.mod", []byte("module cgostdio\n"), 0666); err != nil {
		log.Panic(err)
	}

	return m.Run()
}

	l.add("getenv", key)
}

func (l *testLog) Open(name string) {
	l.add("open", name)
}

func (l *testLog) Stat(name string) {
	l.add("stat", name)
}

func (l *testLog) Chdir(name string) {
	l.add("chdir", name)
}

// add adds the (op, name) pair to the test log.
func (l *testLog) add(op, name string) {
	if strings.Contains(name, "\n") || name == "" {
		return
	}

	l.mu.Lock()

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import _ "unsafe" // for go:linkname

//go:cgo_import_dynamic libc_chdir chdir "libc.so"
//go:cgo_import_dynamic libc_chroot chroot "libc.so"
//go:cgo_import_dynamic libc_close close "libc.so"
//go:cgo_import_dynamic libc_execve execve "libc.so"
//go:cgo_import_dynamic libc_fcntl fcntl "libc.so"