}
	// Check if it's a zombie thread.
	return !bytes.Contains(stateLine[1], []byte{'Z'}), true, nil
}

func getcwd() (string, error) {
	if !syscall.ImplementsGetwd {
		return "", nil
	}
	// Use the syscall to get the current working directory.
	// This is imperative for checking for OS thread state
	// after an unshare since os.Getwd might just check the

		if err == nil && SameFile(dot, d) {
			return dir, nil
		}
	}

	// If the operating system provides a Getwd call, use it.
	// Otherwise, we're trying to find our way back to ".".
	if syscall.ImplementsGetwd {
		var (
			s string
			e error
		)
		for {
			s, e = syscall.Getwd()
			if e != syscall.EINTR {
				break
			}
		}
		return s, NewSyscallError("getwd", e)
	}

	return 0, 0, ENOSYS
}

func Sysctl(key string) (string, error) {
	if key == "kern.hostname" {
		return "js", nil
	}
	return "", ENOSYS
}

const ImplementsGetwd = true

func Getwd() (wd string, err error) {
	var buf [PathMax]byte
	n, err := Getcwd(buf[0:])
	if err != nil {
		return "", err
	}
	return string(buf[:n]), nil
}

func Getuid() int {

// Note that sometimes we use a lowercase //sys name and
// wrap it in our own nicer implementation.

package syscall

import (
	"errors"
	"internal/oserror"
	"runtime"
	"unsafe"
)

const ImplementsGetwd = true
const bitSize16 = 2

// ErrorString implements Error's String method by returning itself.
//
// ErrorString values can be tested against error values using [errors.Is].
// For example:
//