lib/std/Io/Dir.zig      | 33 +++++++++++++++++++++++
 lib/std/Io/File.zig     |  6 ++++-
 lib/std/Io/Threaded.zig | 46 +++++++++++++++++++++-----------
 lib/std/c.zig           |  2 +-
 4 files changed, 69 insertions(+), 18 deletions(-)