lib/std/Io.zig          |  1 +
 lib/std/Io/Dir.zig      | 24 +++++++++
 lib/std/Io/Threaded.zig | 87 ++++++++++++++++++++++++++++++-
 lib/std/fs/Dir.zig      | 89 +++++---------------------------
 lib/std/tar.zig         | 10 ++--
 5 files changed, 129 insertions(+), 82 deletions(-)