}

// Input/output error
func isSysErrIO(err error) bool {
	return errors.Is(err, syscall.EIO)
}

// Check if the given error corresponds to EISDIR (is a directory).
func isSysErrIsDir(err error) bool {
	return errors.Is(err, syscall.EISDIR)
}

// Check if the given error corresponds to ENOTDIR (is not a directory).
func isSysErrNotDir(err error) bool {
	return errors.Is(err, syscall.ENOTDIR)
}

	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EISDIR,
		}
	}

	return &LockedFile{f}, nil
}

// TryLockedOpenFile - tries a new write lock, functionality
// it is similar to LockedOpenFile with with syscall.LOCK_EX

	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EISDIR,
		}
	}

	return &LockedFile{File: f}, nil
}

// TryLockedOpenFile - tries a new write lock, functionality
// it is similar to LockedOpenFile with with syscall.LOCK_EX

	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EISDIR,
		}
	}

	return &LockedFile{File: f}, nil
}

// TryLockedOpenFile - tries a new write lock, functionality
// it is similar to LockedOpenFile with with syscall.LOCK_EX

	stat, err := f.Stat()
	if err != nil {
		return nil, time.Time{}, err
	}
	if stat.IsDir() {
		return nil, time.Time{}, &os.PathError{
			Op:   "open",
			Path: itemPath,
			Err:  syscall.EISDIR,
		}
	}
	buf, err := readXLMetaNoData(f, stat.Size())
	if err != nil {
		return nil, stat.ModTime().UTC(), fmt.Errorf("%w -> %s", err, itemPath)
	}
	return buf, stat.ModTime().UTC(), err
}

pkg syscall (darwin-386), const EINTR = 4
pkg syscall (darwin-386), const EINVAL = 22
pkg syscall (darwin-386), const EIO = 5
pkg syscall (darwin-386), const EISCONN = 56
pkg syscall (darwin-386), const EISDIR = 21
pkg syscall (darwin-386), const ELAST = 105
pkg syscall (darwin-386), const ELOOP = 62
pkg syscall (darwin-386), const EMFILE = 24
pkg syscall (darwin-386), const EMLINK = 31

pkg syscall (netbsd-arm64-cgo), const EINVAL = 22
pkg syscall (netbsd-arm64-cgo), const EIO = 5
pkg syscall (netbsd-arm64-cgo), const EISCONN = 56
pkg syscall (netbsd-arm64-cgo), const EISDIR = 21
pkg syscall (netbsd-arm64-cgo), const ELAST = 96
pkg syscall (netbsd-arm64-cgo), const ELAST Errno
pkg syscall (netbsd-arm64-cgo), const ELOOP = 62
pkg syscall (netbsd-arm64-cgo), const EMFILE = 24

pkg syscall (freebsd-arm64), const EINTR = 4
pkg syscall (freebsd-arm64), const EINVAL = 22
pkg syscall (freebsd-arm64), const EIO = 5
pkg syscall (freebsd-arm64), const EISCONN = 56
pkg syscall (freebsd-arm64), const EISDIR = 21
pkg syscall (freebsd-arm64), const ELAST = 96
pkg syscall (freebsd-arm64), const ELAST Errno
pkg syscall (freebsd-arm64), const ELOOP = 62
pkg syscall (freebsd-arm64), const EMFILE = 24

pkg syscall (darwin-arm64), const EINTR = 4
pkg syscall (darwin-arm64), const EINVAL = 22
pkg syscall (darwin-arm64), const EIO = 5
pkg syscall (darwin-arm64), const EISCONN = 56
pkg syscall (darwin-arm64), const EISDIR = 21
pkg syscall (darwin-arm64), const ELAST = 106
pkg syscall (darwin-arm64), const ELAST Errno
pkg syscall (darwin-arm64), const ELOOP = 62
pkg syscall (darwin-arm64), const EMFILE = 24

pkg syscall (freebsd-riscv64), const EINVAL = 22 #53466
pkg syscall (freebsd-riscv64), const EIO = 5 #53466
pkg syscall (freebsd-riscv64), const EISCONN = 56 #53466
pkg syscall (freebsd-riscv64), const EISDIR = 21 #53466
pkg syscall (freebsd-riscv64), const ELAST = 96 #53466
pkg syscall (freebsd-riscv64), const ELAST Errno #53466
pkg syscall (freebsd-riscv64), const ELOOP = 62 #53466