{&fs.PathError{Err: fs.ErrExist}, true, false},
	{&fs.PathError{Err: fs.ErrNotExist}, false, true},
	{&fs.PathError{Err: fs.ErrClosed}, false, false},
	{&os.LinkError{Err: fs.ErrInvalid}, false, false},
	{&os.LinkError{Err: fs.ErrPermission}, false, false},
	{&os.LinkError{Err: fs.ErrExist}, true, false},
	{&os.LinkError{Err: fs.ErrNotExist}, false, true},
	{&os.LinkError{Err: fs.ErrClosed}, false, false},

		if zipErr != nil && errors.Is(zipErr, fs.ErrNotExist) &&
			dirErr != nil && errors.Is(dirErr, fs.ErrNotExist) {
			// Nothing downloaded yet. Nothing to verify.
			return nil
		}
		errs = append(errs, fmt.Errorf("%s %s: missing ziphash: %v", mod.Path, mod.Version, err))
		return errs
	}
	h := string(bytes.TrimSpace(data))

	if zipErr != nil && errors.Is(zipErr, fs.ErrNotExist) {
		// ok
	} else {

// report that a file or directory does not exist. It is satisfied by
// [ErrNotExist] as well as some syscall errors.
//
// This function predates [errors.Is]. It only supports errors returned by
// the os package. New code should use errors.Is(err, fs.ErrNotExist).
func IsNotExist(err error) bool {
	return underlyingErrorIs(err, ErrNotExist)
}

// IsPermission returns a boolean indicating whether the error is known to

	ErrNotExist   = errNotExist()   // "file does not exist"
	ErrClosed     = errClosed()     // "file already closed"
)

func errInvalid() error    { return oserror.ErrInvalid }
func errPermission() error { return oserror.ErrPermission }
func errExist() error      { return oserror.ErrExist }
func errNotExist() error   { return oserror.ErrNotExist }

	if err != nil {
		t.Fatal(err)
	}

	u, err := urlFromFilePath(path)
	if err != nil {
		t.Fatal(err)
	}

	b, err := GetBytes(u)
	if !errors.Is(err, fs.ErrNotExist) {
		t.Fatalf("GetBytes(%v) = %q, %v; want _, fs.ErrNotExist", u, b, err)
	}

	return oomAdjuster
}

func getPids(cgroupName string) ([]int, error) {
	return cmutil.GetPids(filepath.Join("/", cgroupName))
}

// Writes 'value' to /proc/<pid>/oom_score_adj. PID = 0 means self
// Returns os.ErrNotExist if the `pid` does not exist.
func applyOOMScoreAdj(pid int, oomScoreAdj int) error {
	if pid < 0 {
		return fmt.Errorf("invalid PID %d specified for oom_score_adj", pid)
	}

	var pidStr string
	if pid == 0 {

	QWORD                      = 11
)

var (
	// ErrShortBuffer is returned when the buffer was too short for the operation.
	ErrShortBuffer = syscall.ERROR_MORE_DATA

	// ErrNotExist is returned when a registry key or value does not exist.
	ErrNotExist = syscall.ERROR_FILE_NOT_FOUND

	// ErrUnexpectedType is returned by Get*Value when the value's type was unexpected.
	ErrUnexpectedType = errors.New("unexpected key value type")
)

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

package bug

import "os"

func f(err error) {
	var ok bool
	if err, ok = err.(*os.PathError); ok {
		if err == os.ErrNotExist {
		}
	}

// executable file
// errWd will be checked later, if we need to use initWd
var initWd, errWd = Getwd()

func executable() (string, error) {
	var exePath string
	if len(Args) == 0 || Args[0] == "" {
		return "", ErrNotExist
	}
	if IsPathSeparator(Args[0][0]) {
		// Args[0] is an absolute path, so it is the executable.
		// Note that we only need to worry about Unix paths here.
		exePath = Args[0]
	} else {

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

package fs_test

import (
	"fmt"
	. "io/fs"
	"testing"
)

type statOnly struct{ StatFS }

func (statOnly) Open(name string) (File, error) { return nil, ErrNotExist }

func TestStat(t *testing.T) {
	check := func(desc string, info FileInfo, err error) {
		t.Helper()
		if err != nil || info == nil || info.Mode() != 0456 {
			infoStr := "<nil>"
			if info != nil {