lib/std/Io.zig                  |  8 +--
 lib/std/Io/File.zig             |  5 +-
 lib/std/Io/File/MultiReader.zig | 14 ++----
 lib/std/Io/File/Reader.zig      | 34 +++++++------
 lib/std/Io/Threaded.zig         | 85 +++++++++++++-------------------
 lib/std/Progress.zig            |  3 +-
 lib/std/process/Child.zig       | 28 ++++++-----
 lib/std/zig/system.zig          |  1 -
 8 files changed, 82 insertions(+), 96 deletions(-)