[new release] uring (2.7.0)

[avsm]

OCaml bindings for Linux io_uring

• Project page: https://github.com/ocaml-multicore/ocaml-uring
• Documentation: https://ocaml-multicore.github.io/ocaml-uring/

CHANGES:

• Fix use-after-free data race in CQE handlers (@avsm fix use after seen in cqe handlers ocaml-multicore/ocaml-uring#124, reported Use after seen? ocaml-multicore/ocaml-uring#123 by @polytypic).

• Add socket bind and listen operations (@avsm vendor liburing 2.7 ocaml-multicore/ocaml-uring#118).

• Update liburing to 2.7 (@avsm vendor liburing 2.7 ocaml-multicore/ocaml-uring#118).

• Add Uring.Setup_flags module (@talex5 Add Uring.Setup_flags ocaml-multicore/ocaml-uring#122).

• Clean up configurator code and update primitives.h (@talex5 Clean up configurator code and update primitives.h ocaml-multicore/ocaml-uring#121).

• Add mkdirat operation (@patricoferris Add mkdirat ocaml-multicore/ocaml-uring#120).

[mseri]

Thanks!
Are the following failures something we should worry about?

• riscv6: the tests are failing due to Tiemout of the CI (240min)
• alpine tests are failing with

# File "tests/main.md", line 1, characters 0-0:
# /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/tests/main.md _build/default/tests/.mdx/main.md.corrected
# diff --git a/_build/default/tests/main.md b/_build/default/tests/.mdx/main.md.corrected
# index d3158ac..4cd2e98 100644
# --- a/_build/default/tests/main.md
# +++ b/_build/default/tests/.mdx/main.md.corrected
# @@ -878,7 +878,7 @@ val t : [ `Mkdir of int ] Uring.t = <abstr>
#  - : [ `Mkdir of int ] Uring.completion_option =
#  Uring.Some {Uring.result = 0; data = `Mkdir 0}
#  # (Unix.stat "mkdir").st_perm;;
# -- : int = 448
# +- : int = 1472
#  # let v = Uring.mkdirat t ~mode:0o755 "mkdir" (`Mkdir 1);;
#  val v : [ `Mkdir of int ] Uring.job option = Some <abstr>
#  # Uring.submit t;;

[avsm]

It's fixed in uring trunk and is just a small test problem, so it's fine to merge I think