r, s, e = open(name, flag|syscall.O_CLOEXEC, syscallMode(perm))
		return e
	})
	if e != nil {
		return nil, &PathError{Op: "open", Path: name, Err: e}
	}

	// open(2) itself won't handle the sticky bit on *BSD and Solaris
	if setSticky {
		setStickyBit(name)
	}

	// There's a race here with fork/exec, which we are
	// content to live with. See ../syscall/exec_unix.go.
	if !supportsCloseOnExec {

		5))
	if err != nil {
		t.Fatal(err)
	}
}

// Issue 14981: MaxBytesReader's return error wasn't sticky. It
// doesn't technically need to be, but people expected it to be.
func TestMaxBytesReaderStickyError(t *testing.T) {
	isSticky := func(r io.Reader) error {
		var log bytes.Buffer
		buf := make([]byte, 1000)
		var firstErr error
		for {
			n, err := r.Read(buf)

type huffmanBitWriter struct {
	// writer is the underlying writer.
	// Do not use it directly; use the write method, which ensures
	// that Write errors are sticky.
	writer io.Writer

	// Data waiting to be written is bytes[0:nbytes]
	// and then the low nbits of bits.  Data is always written
	// sequentially into the bytes array.
	bits            uint64
	nbits           uint

	blk  block      // Buffer to use as temporary local storage

	// err is a persistent error.
	// It is only the responsibility of every exported method of Writer to
	// ensure that this error is sticky.
	err error
}

// NewWriter creates a new Writer writing to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{w: w, curr: &regFileWriter{w, 0}}
}

type fileWriter interface {
	io.Writer

	// for) but runtime.GOOS (the system we are building on).
	if runtime.GOOS == "windows" {
		return sh.CopyFile(dst, src, perm, force)
	}

	// If the destination directory has the group sticky bit set,
	// we have to copy the file to retain the correct permissions.
	// https://golang.org/issue/18878
	if fi, err := os.Stat(filepath.Dir(dst)); err == nil {
		if fi.IsDir() && (fi.Mode()&fs.ModeSetgid) != 0 {

	"path/filepath"
	"sync"
	"text/template"
	"text/template/parse"
)

// Template is a specialized Template from "text/template" that produces a safe
// HTML document fragment.
type Template struct {
	// Sticky error if escaping fails, or escapeOK if succeeded.
	escapeErr error
	// We could embed the text/template field, but it's safer not to because
	// we need to keep our version of the name space and the underlying

func (x nat) bit(i uint) uint {
	j := i / _W
	if j >= uint(len(x)) {
		return 0
	}
	// 0 <= j < len(x)
	return uint(x[j] >> (i % _W) & 1)
}

// sticky returns 1 if there's a 1 bit within the
// i least significant bits, otherwise it returns 0.
func (x nat) sticky(i uint) uint {
	j := i / _W
	if j >= uint(len(x)) {
		if len(x) == 0 {
			return 0
		}
		return 1
	}
	// 0 <= j < len(x)

			b.overflow.Store((((overflow >> 32) + 1) << 32) + 1)
			break
		}
		// Otherwise we're racing to increment against reader
		// who wants to set b.overflow to 0.
		// Out of paranoia, leave 2³²-1 a sticky overflow value,
		// to avoid wrapping around. Extremely unlikely.
		if int32(overflow) == -1 {
			break
		}
		if b.overflow.CompareAndSwap(overflow, overflow+1) {
			break
		}
	}
}

	assert.Equal(t, groups[0].Name, "test")
	assert.Equal(t, groups[1].Name, "default")
}

// Show that the GroupPriorityMinimum is not sticky if a higher group version is removed
// after a lower one is added
func TestStatelessGroupPriorityMinimum(t *testing.T) {
	manager := discoveryendpoint.NewResourceManager("apis")

	stableGroup := "stable.example.com"

		// Once an embedded type is embedded as a pointer type
		// all embedded types in those types are treated like
		// pointer types for the purpose of the receiver type
		// computation; i.e., embeddedIsPtr is sticky for this
		// embedding hierarchy.
		thisEmbeddedIsPtr := embeddedIsPtr || isPtr
		for _, m := range embedded.methods {
			// only top-level methods are embedded
			if m.Level == 0 {