lib/std/Io/File.zig           |  4 ++++
 lib/std/Io/File/MemoryMap.zig |  9 +++++++
 lib/std/Io/Threaded.zig       |  3 +--
 lib/std/Io/test.zig           | 41 ++++++++++++++++++++++++++++++++
 4 files changed, 55 insertions(+), 2 deletions(-)