From f0dfae91ff9a635850e1ff83febcfc503cbbeb8d Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 26 Dec 2022 00:12:19 +0100
Subject: [PATCH] ocamlPackages.lockfree: init at 0.3.0

---
 .../ocaml-modules/lockfree/default.nix        | 29 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 31 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/lockfree/default.nix

diff --git a/pkgs/development/ocaml-modules/lockfree/default.nix b/pkgs/development/ocaml-modules/lockfree/default.nix
new file mode 100644
index 000000000000..c3400d4583e0
--- /dev/null
+++ b/pkgs/development/ocaml-modules/lockfree/default.nix
@@ -0,0 +1,29 @@
+{ lib, fetchurl, buildDunePackage
+, dscheck
+, qcheck, qcheck-alcotest
+}:
+
+buildDunePackage rec {
+  pname = "lockfree";
+  version = "0.3.0";
+
+  minimalOCamlVersion = "5.0";
+  duneVersion = "3";
+
+  src = fetchurl {
+    url = "https://github.com/ocaml-multicore/lockfree/releases/download/${version}/lockfree-${version}.tbz";
+    hash = "sha256-XdJR5ojFsA7bJ4aZ5rh10NjopE0NjfqQ9KitOLMh3Jo=";
+  };
+
+  propagatedBuildInputs = [ dscheck ];
+
+  doCheck = true;
+  checkInputs = [ qcheck qcheck-alcotest ];
+
+  meta = {
+    description = "Lock-free data structures for multicore OCaml";
+    homepage = "https://github.com/ocaml-multicore/lockfree";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 7f08c51140ae..68f9ea12ec1e 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -739,6 +739,8 @@ let
 
     lo = callPackage ../development/ocaml-modules/lo { };
 
+    lockfree = callPackage ../development/ocaml-modules/lockfree { };
+
     logs = callPackage ../development/ocaml-modules/logs { };
 
     lru = callPackage ../development/ocaml-modules/lru { };