From a748ffdb6edbfc19eac10c522cb2e45af86c8e08 Mon Sep 17 00:00:00 2001
From: toastal <toastal@posteo.net>
Date: Sat, 6 May 2023 13:40:06 +0700
Subject: [PATCH] ocamlPackages.eio: init at 0.10

---
 .../development/ocaml-modules/eio/default.nix | 60 +++++++++++++++++++
 pkgs/development/ocaml-modules/eio/linux.nix  | 23 +++++++
 pkgs/development/ocaml-modules/eio/main.nix   | 23 +++++++
 pkgs/development/ocaml-modules/eio/posix.nix  | 28 +++++++++
 pkgs/top-level/ocaml-packages.nix             |  5 ++
 5 files changed, 139 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/eio/default.nix
 create mode 100644 pkgs/development/ocaml-modules/eio/linux.nix
 create mode 100644 pkgs/development/ocaml-modules/eio/main.nix
 create mode 100644 pkgs/development/ocaml-modules/eio/posix.nix

diff --git a/pkgs/development/ocaml-modules/eio/default.nix b/pkgs/development/ocaml-modules/eio/default.nix
new file mode 100644
index 000000000000..c925928433a0
--- /dev/null
+++ b/pkgs/development/ocaml-modules/eio/default.nix
@@ -0,0 +1,60 @@
+{ lib
+, buildDunePackage
+, bigstringaf
+, cstruct
+, domain-local-await
+, dune-configurator
+, fetchurl
+, fmt
+, hmap
+, lwt-dllist
+, mtime
+, optint
+, psq
+, alcotest
+, crowbar
+, mdx
+}:
+
+buildDunePackage rec {
+  pname = "eio";
+  version = "0.10";
+
+  minimalOCamlVersion = "5.0";
+  duneVersion = "3";
+
+  src = fetchurl {
+    url = "https://github.com/ocaml-multicore/${pname}/releases/download/v${version}/${pname}-${version}.tbz";
+    sha256 = "OQ94FFB7gTPWwl46Z6dC1zHHymYlKyh7H7DjrU0Q7sw=";
+  };
+
+  propagatedBuildInputs = [
+    bigstringaf
+    cstruct
+    domain-local-await
+    fmt
+    hmap
+    lwt-dllist
+    mtime
+    optint
+    psq
+  ];
+
+  checkInputs = [
+    alcotest
+    crowbar
+    mdx
+  ];
+
+  nativeCheckInputs = [
+    mdx.bin
+  ];
+
+  meta = {
+    homepage = "https://github.com/ocaml-multicore/ocaml-${pname}";
+    changelog = "https://github.com/ocaml-multicore/ocaml-${pname}/raw/v${version}/CHANGES.md";
+    description = "Effects-Based Parallel IO for OCaml";
+    license = with lib.licenses; [ isc ];
+    maintainers = with lib.maintainers; [ toastal ];
+  };
+}
diff --git a/pkgs/development/ocaml-modules/eio/linux.nix b/pkgs/development/ocaml-modules/eio/linux.nix
new file mode 100644
index 000000000000..62f9800790b5
--- /dev/null
+++ b/pkgs/development/ocaml-modules/eio/linux.nix
@@ -0,0 +1,23 @@
+{ buildDunePackage
+, eio
+, fmt
+, logs
+, uring
+}:
+
+buildDunePackage {
+  pname = "eio_linux";
+  inherit (eio) meta src version;
+
+  minimalOCamlVersion = "5.0";
+  duneVersion = "3";
+
+  dontStrip = true;
+
+  propagatedBuildInputs = [
+    eio
+    fmt
+    logs
+    uring
+  ];
+}
diff --git a/pkgs/development/ocaml-modules/eio/main.nix b/pkgs/development/ocaml-modules/eio/main.nix
new file mode 100644
index 000000000000..32a6affef0e0
--- /dev/null
+++ b/pkgs/development/ocaml-modules/eio/main.nix
@@ -0,0 +1,23 @@
+{ lib
+, stdenv
+, buildDunePackage
+, eio
+, eio_posix
+, uring
+}:
+
+buildDunePackage {
+  pname = "eio_main";
+  inherit (eio) meta src version;
+
+  minimalOCamlVersion = "5.0";
+  duneVersion = "3";
+
+  dontStrip = true;
+
+  propagatedBuildInputs = [
+    eio_posix
+  ] ++ lib.optionals stdenv.isLinux [
+    uring
+  ];
+}
diff --git a/pkgs/development/ocaml-modules/eio/posix.nix b/pkgs/development/ocaml-modules/eio/posix.nix
new file mode 100644
index 000000000000..6c3042e65fae
--- /dev/null
+++ b/pkgs/development/ocaml-modules/eio/posix.nix
@@ -0,0 +1,28 @@
+{ buildDunePackage
+, dune-configurator
+, eio
+, fmt
+, logs
+, iomux
+}:
+
+buildDunePackage {
+  pname = "eio_posix";
+  inherit (eio) meta src version;
+
+  minimalOCamlVersion = "5.0";
+  duneVersion = "3";
+
+  dontStrip = true;
+
+  buildInputs = [
+    dune-configurator
+  ];
+
+  propagatedBuildInputs = [
+    eio
+    fmt
+    logs
+    iomux
+  ];
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index c29f7b187bb5..64fabf5d1b32 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -419,6 +419,11 @@ let
 
     eigen = callPackage ../development/ocaml-modules/eigen { };
 
+    eio = callPackage ../development/ocaml-modules/eio { };
+    eio_linux = callPackage ../development/ocaml-modules/eio/linux.nix { };
+    eio_main = callPackage ../development/ocaml-modules/eio/main.nix { };
+    eio_posix = callPackage ../development/ocaml-modules/eio/posix.nix { };
+
     either = callPackage ../development/ocaml-modules/either { };
 
     elina = callPackage ../development/ocaml-modules/elina { };