lib/std/Build/Step/Run.zig       |  6 ++-
 lib/std/Build/Step/WriteFile.zig |  3 +-
 lib/std/Io.zig                   | 34 +++++++++++--
 lib/std/Io/Dir.zig               |  4 +-
 lib/std/Io/Threaded.zig          | 87 +++++++++++++++++++++++++++++---
 lib/std/Random.zig               | 16 ++++++
 lib/std/Random/ChaCha.zig        |  2 +-
 7 files changed, 135 insertions(+), 17 deletions(-)