Add Uring.active_ops #68
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Requested by Fabian in ocaml-multicore#66.
haesbaert
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Aug 23, 2022
talex5
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Aug 26, 2022
CHANGES: New features: - Add `Uring.timeout` (@bikallem ocaml-multicore/ocaml-uring#59). - Add `Uring.read` and `Uring.write` (@haesbaert ocaml-multicore/ocaml-uring#62). These are simple wrappers for read(2) and write(2). - Add `Uring.unlink` (@talex5 ocaml-multicore/ocaml-uring#65). This uses unlinkat(2), and so can also be used to remove directories. - Add support for uring probes (@talex5 ocaml-multicore/ocaml-uring#70). Allows checking whether a feature is supported by the kernel at runtime. - Rename `peek` to `get_cqe_nonblocking` (@talex5 ocaml-multicore/ocaml-uring#67). The old name was confusing because it does remove the item from the ring. - Update to liburing 2.2 (@talex5 ocaml-multicore/ocaml-uring#56). - Add `Uring.active_ops` (@talex5 ocaml-multicore/ocaml-uring#68). Avoids needing to track the value returned by `submit`, which is important as it is sometimes called automatically. - Add `Uring.iov_max` constant (@talex5 ocaml-multicore/ocaml-uring#76). - Add `Uring.get_debug_stats` (@talex5 ocaml-multicore/ocaml-uring#64). This should make it easier to check that the uring is behaving as expected. Performance: - Introduce a Sketch buffer per Uring (@haesbaert ocaml-multicore/ocaml-uring#63). The main motivation of this change is to avoid having one malloc per packet in readv(2), writev(2) and friends. - Use `submit_and_wait` where appropriate (@haesbaert ocaml-multicore/ocaml-uring#69). - Add a `readv` benchmark (@talex5 ocaml-multicore/ocaml-uring#64). - Avoid unnecessary use of `CAMLparam` in the C stubs (@haesbaert ocaml-multicore/ocaml-uring#61). Bug fixes: - Prevent ring from being used after exit (@talex5 ocaml-multicore/ocaml-uring#78). Build changes: - Remove use of notty for formatting benchmark results (@talex5 ocaml-multicore/ocaml-uring#71). It prevented uring from being tested on OCaml 5. - Use MDX for README (@talex5 ocaml-multicore/ocaml-uring#57). - Convert tests to MDX (@talex5 ocaml-multicore/ocaml-uring#58 ocaml-multicore/ocaml-uring#73). - Use opam-repository syntax for license (@kit-ty-kate ocaml-multicore/ocaml-uring#72). - Remove internal `is_dirty` flag (@talex5 ocaml-multicore/ocaml-uring#77).
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Requested by Fabian in #66.
This will also allow us to stop tracking this number separately in Eio (which might get out of sync if something else calls
submit).