EHOSTUNREACH    = syscall.Errno(0x41)
	EIDRM           = syscall.Errno(0x52)
	EILSEQ          = syscall.Errno(0x55)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x60)

	EHOSTUNREACH    = syscall.Errno(0x41)
	EIDRM           = syscall.Errno(0x52)
	EILSEQ          = syscall.Errno(0x56)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x63)

// Errno values.
const (
	errnoERROR_IO_PENDING = 997
)

var (
	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
	errERROR_EINVAL     error = syscall.EINVAL
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
	switch e {
	case 0:
		return errERROR_EINVAL
	case errnoERROR_IO_PENDING:

	// can not call Release, as Wait does not set p.Pid = -1.
	//
	// On Unix and Plan 9, calling Release a second time has no effect.
	//
	// On Windows, calling Release a second time returns EINVAL.
	return p.release()
}

// Kill causes the [Process] to exit immediately. Kill does not wait until
// the Process has actually exited. This only kills the Process itself,

	return newFile(r, name, "file"), nil
}

func openDirNolog(name string) (*File, error) {
	return openFileNolog(name, O_RDONLY, 0)
}

func (file *file) close() error {
	if file == nil {
		return syscall.EINVAL
	}
	if info := file.dirinfo.Swap(nil); info != nil {
		info.close()
	}
	var err error
	if e := file.pfd.Close(); e != nil {
		if e == poll.ErrFileClosing {
			e = ErrClosed
		}

	EHOSTUNREACH    = syscall.Errno(0x41)
	EIDRM           = syscall.Errno(0x59)
	EILSEQ          = syscall.Errno(0x54)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EIPSEC          = syscall.Errno(0x52)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)

	EHOSTUNREACH    = syscall.Errno(0x41)
	EIDRM           = syscall.Errno(0x59)
	EILSEQ          = syscall.Errno(0x54)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EIPSEC          = syscall.Errno(0x52)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)

	EIDRM           = syscall.Errno(0x52)
	EILSEQ          = syscall.Errno(0x56)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTEGRITY      = syscall.Errno(0x61)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x61)

	EIDRM           = syscall.Errno(0x52)
	EILSEQ          = syscall.Errno(0x56)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTEGRITY      = syscall.Errno(0x61)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x61)

	EHOSTUNREACH    = syscall.Errno(0x41)
	EIDRM           = syscall.Errno(0x5a)
	EILSEQ          = syscall.Errno(0x5c)
	EINPROGRESS     = syscall.Errno(0x24)
	EINTR           = syscall.Errno(0x4)
	EINVAL          = syscall.Errno(0x16)
	EIO             = syscall.Errno(0x5)
	EISCONN         = syscall.Errno(0x38)
	EISDIR          = syscall.Errno(0x15)
	ELAST           = syscall.Errno(0x6a)