libuv from zig

zig-0.13.0

zig-0.14.0

error: lld-link: undefined symbol: __declspec(dllimport) _CrtSetReportHook

#if debug
  add link to ucrtbased

dependencies

master required v1.48.0 has CONTAINING_RECORD issue.

> zig fetch --save=libuv git+https://github.com/libuv/libuv.git

trobule

CONTAINING_RECORD cause runtime INVALID INSTRUCTION

patch for src/win/req-inl.h

INLINE static uv_req_t* uv__overlapped_to_req(OVERLAPPED* overlapped) {
  // cause illegal instruction
  // return CONTAINING_RECORD(overlapped, uv_req_t, u.io.overlapped);
  return (uv_req_t*)((char*)overlapped - offsetof(uv_req_t, u.io.overlapped));
}

same https://github.com/libuv/libuv/pull/4254

merged 2024/08/06

error: dependency loop detected

• https://github.com/ziglang/zig/issues/18247

pub const struct_uv_stream_s = extern struct {
    read_cb: uv_read_cb = @import("std").mem.zeroes(uv_read_cb),
};

// 👆👇

pub const uv_read_cb = ?*const fn ([*c]uv_stream_t, isize, [*c]const uv_buf_t) callconv(.C) void;

// workaround

pub const uv_read_cb = ?*const fn (*anyopaque, isize, [*c]const uv_buf_t) callconv(.C) void;

uvbook

• https://docs.libuv.org/en/v1.x/guide/introduction.html

> zig build -l
  install (default)            Copy build artifacts to prefix path
  uninstall                    Remove build artifacts from prefix path
  c_helloworld                 Build & run c_helloworld
  zig_helloworld               Build & run zig_helloworld

> zig build c-helloworld

[Basics of libuv]https://docs.libuv.org/en/v1.x/guide/basics.html

name	c-win32	zig
helloworld	o	o
idle-basic	o	o

Filesystem

name	c-win32	zig
uvcat	o	o translated
uvtee	o	o translated
onchange	o	o

Networking

name	c-win32	zig
tcp-echo-server	o	o translated, TODO: client
udp-dhcp	o	o translated
dns	o	o TODO: not work
interfaces	o	x @cimport error

Threads

name	c-win32	zig
thread-create	c	o
locks	uv_barrier_wait
queue-work	<unistd.h>
queue-cancel	<unistd.h>
progress	<unistd.h>

Process

name	c-win32	zig
spawn	o	o translated
detach	o
signal	<unistd.h>
proc-streams	o
cgi	o	and cgi/tick
pipe-echo-server	o
multi-echo-server	o

Advanced event loops

name	c-win32	zig
uvstop	o	x

Utilities

name	c-win32	zig
ref-timer	o
idle-compute	o
uvwget	<curl.h>
plugin	o	and plugin/hello.c
tty	o
tty-gravity	o	o translated