lib/std/Io.zig           |  49 +++-
 lib/std/Io/EventLoop.zig | 412 ++++++++++++++++++++++----------
 lib/std/Thread/Pool.zig  | 108 ++++++++-
 lib/std/start.zig        |  34 ++-
 lib/std/std.zig          |   3 +
 5 files changed, 451 insertions(+), 155 deletions(-)