lib/std/Io/Dir.zig           |   6 +-
 lib/std/Io/File.zig          |  30 ++++-
 lib/std/Io/File/Writer.zig   |   2 +-
 lib/std/Io/Threaded.zig      | 229 +++++++++++++++++++++-----------
 lib/std/Progress.zig         |   4 +-
 lib/std/os/windows.zig       | 134 +++++++++++++------
 lib/std/os/windows/ntdll.zig |  18 ++-
 src/link/Lld.zig             |  14 +-
 8 files changed, 305 insertions(+), 132 deletions(-)