lib/std/Io.zig             |   2 +
 lib/std/Io/Dir.zig         | 162 ++++++++++---------
 lib/std/Io/File.zig        |  34 +++-
 lib/std/Io/File/Atomic.zig | 105 +++++--------
 lib/std/Io/File/Writer.zig |   8 +
 lib/std/Io/Threaded.zig    | 271 +++++++++++++++++++++++++++-----
 lib/std/c.zig              |   2 +
 lib/std/fs/test.zig        |   9 +-
 lib/std/os/linux.zig       |  15 +-
 lib/std/zig/system.zig     |   1 -
 src/Builtin.zig            |   8 +-
 src/Compilation.zig        |  32 ++--
 src/fmt.zig                |   8 +-
 13 files changed, 450 insertions(+), 207 deletions(-)