EventLoop: get file operations working

EventLoop: get file operations working

WIP

reader interface vecs and bufferedwriter arraylist

EventLoop: move context after the async closure

EventLoop: move context after the async closure

EventLoop: move context after the async closure

EventLoop: fix incorrect alignment panic

update threaded fibers impl to actually storing args

fix context passing in threaded Io impl

WIP

EventLoop: implement main idle fiber

EventLoop: implement main idle fiber

EventLoop: implement main idle fiber

EventLoop: add threads

build

check result of mmap() call to handle a large base_addr value correctly

EventLoop: rewrite context switching

EventLoop: rewrite context switching

check result of mmap() call to handle a large base_addr value correctly

stage1: Update zig1.wasm.

Merge pull request #23378 from alexrp/build-zig-cleanup

Merge pull request #23373 from alexrp/get-base-address

build: increase test-std max rss

std.Build: implement addEmbedPath for adding C #embed search directories

std.posix: add getuid()/geteuid()

EventLoop: prepare for threading

build: increase test-std max rss

std.meta.FieldType -> @FieldType

x86_64: remove broken const value tracking