if len(p) == 0 {
		return 0, nil
	}
	if getrandomUnsupported.Load() {
		return 0, syscall.ENOSYS
	}
	r1, _, errno := syscall.Syscall(getrandomTrap,
		uintptr(unsafe.Pointer(&p[0])),
		uintptr(len(p)),
		uintptr(flags))
	if errno != 0 {
		if errno == syscall.ENOSYS {
			getrandomUnsupported.Store(true)
		}
		return 0, errno
	}
	return int(r1), nil

	if v == "" {
		return "", false
	}

	// Mimicking exec.findExecutable here.
	// ENOSYS means Eaccess is not available or not implemented.
	// EPERM can be returned by Linux containers employing seccomp.
	// In both cases, fall back to checking the permission bits.
	err := unix.Eaccess(filepath.Join(dir, de.Name()), unix.X_OK)
	if (err == syscall.ENOSYS || err == syscall.EPERM) && info.Mode()&0111 != 0 {
		err = nil
	}
	if err != nil {

	if len(p) == 0 {
		return 0, nil
	}
	if getrandomUnsupported.Load() {
		return 0, syscall.ENOSYS
	}
	r1, _, errno := syscall6(uintptr(unsafe.Pointer(&procGetrandom)),
		3,
		uintptr(unsafe.Pointer(&p[0])),
		uintptr(len(p)),
		uintptr(flags),
		0, 0, 0)
	if errno != 0 {
		if errno == syscall.ENOSYS {
			getrandomUnsupported.Store(true)
		}
		return 0, errno
	}
	return int(r1), nil

	}
	altGetRandom = batched(getRandom, maxGetRandomRead)
}

// If the kernel is too old to support the getrandom syscall(),
// unix.GetRandom will immediately return ENOSYS and we will then fall back to
// reading from /dev/urandom in rand_unix.go. unix.GetRandom caches the ENOSYS
// result so we only suffer the syscall overhead once in this case.
// If the kernel supports the getrandom() syscall, unix.GetRandom will block

		*funcref = impl_Flistxattr
	} else {
		*funcref = error_Flistxattr
	}
	return (*funcref)(fd, dest)
}

func error_Flistxattr(fd int, dest []byte) (sz int, err error) {
	sz = -1
	err = ENOSYS
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func impl_Fremovexattr(fd int, attr string) (err error) {
	var _p0 *byte
	_p0, err = BytePtrFromString(attr)
	if err != nil {

		n, err = syscall.Sendfile(dst, src, &pos1, n)
		if n > 0 {
			pos += int64(n)
			written += int64(n)
			remain -= int64(n)
		}
		if err == syscall.EINTR {
			continue
		}
		// This includes syscall.ENOSYS (no kernel
		// support) and syscall.EINVAL (fd types which
		// don't implement sendfile), and other errors.
		// We should end the loop when there is no error
		// returned from sendfile(2) or it is not a retryable error.

		}
		n, err = syscall.Sendfile(dst, src, nil, n)
		if n > 0 {
			written += int64(n)
			remain -= int64(n)
			continue
		} else if err != syscall.EAGAIN && err != syscall.EINTR {
			// This includes syscall.ENOSYS (no kernel
			// support) and syscall.EINVAL (fd types which
			// don't implement sendfile), and other errors.
			// We should end the loop when there is no error
			// returned from sendfile(2) or it is not a retryable error.

//
// The req value is expected to be TCSETS, TCSETSW, or TCSETSF
func IoctlSetTermios(fd int, req int, value *Termios) error {
	if (req != TCSETS) && (req != TCSETSW) && (req != TCSETSF) {
		return ENOSYS
	}
	err := Tcsetattr(fd, int(req), value)
	runtime.KeepAlive(value)
	return err
}

// IoctlGetInt performs an ioctl operation which gets an integer value
// from fd, using the specified request number.
//

			n = int(pos1 - pos)
		}
		if n > 0 {
			pos += int64(n)
			written += int64(n)
			remain -= int64(n)
			continue
		} else if err != syscall.EAGAIN && err != syscall.EINTR {
			// This includes syscall.ENOSYS (no kernel
			// support) and syscall.EINVAL (fd types which
			// don't implement sendfile), and other errors.
			// We should end the loop when there is no error
			// returned from sendfile(2) or it is not a retryable error.

	}
	m := d.Mode()
	if m.IsDir() {
		return syscall.EISDIR
	}
	err = unix.Eaccess(file, unix.X_OK)
	// ENOSYS means Eaccess is not available or not implemented.
	// EPERM can be returned by Linux containers employing seccomp.
	// In both cases, fall back to checking the permission bits.
	if err == nil || (err != syscall.ENOSYS && err != syscall.EPERM) {
		return err
	}
	if m&0111 != 0 {
		return nil
	}
	return fs.ErrPermission