From 2236baec50513d9810951a9cf8f1fc32e237997e Mon Sep 17 00:00:00 2001
From: zapashcanon <leo@ndrs.fr>
Date: Sun, 21 Sep 2025 23:41:44 +0200
Subject: [PATCH 1/2] maintainers: add redianthus

---
 maintainers/maintainer-list.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 0aa55447d929..cbd27f09bfd0 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -21630,6 +21630,11 @@
     githubId = 77415970;
     name = "Redhawk";
   };
+  redianthus = {
+    github = "redianthus";
+    githubId = 16472988;
+    name = "redianthus";
+  };
   redlonghead = {
     email = "git@beardit.net";
     github = "Redlonghead";

From 6c3c3951fb76343e5f8589db3ab0f82cea1d8f30 Mon Sep 17 00:00:00 2001
From: zapashcanon <leo@ndrs.fr>
Date: Fri, 3 Oct 2025 16:01:11 +0200
Subject: [PATCH 2/2] ocamlPackages.synchronizer: init at 0.1

---
 .../ocaml-modules/synchronizer/default.nix    | 32 +++++++++++++++++++
 pkgs/top-level/ocaml-packages.nix             |  2 ++
 2 files changed, 34 insertions(+)
 create mode 100644 pkgs/development/ocaml-modules/synchronizer/default.nix

diff --git a/pkgs/development/ocaml-modules/synchronizer/default.nix b/pkgs/development/ocaml-modules/synchronizer/default.nix
new file mode 100644
index 000000000000..8d827b2c0bd9
--- /dev/null
+++ b/pkgs/development/ocaml-modules/synchronizer/default.nix
@@ -0,0 +1,32 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildDunePackage,
+  prelude,
+}:
+
+buildDunePackage rec {
+  pname = "synchronizer";
+  version = "0.1";
+
+  minimalOCamlVersion = "5.1";
+
+  src = fetchFromGitHub {
+    owner = "OCamlPro";
+    repo = "synchronizer";
+    tag = version;
+    hash = "sha256-VlKqORXTXafT88GXHIYkz+A1VkEL3jP9SMqDdMyEdrw=";
+  };
+
+  propagatedBuildInputs = [
+    prelude
+  ];
+
+  meta = {
+    homepage = "https://github.com/OCamlPro/synchronizer";
+    description = "Synchronizer to make datastructures thread-safe";
+    changelog = "https://raw.githubusercontent.com/OCamlPro/synchronizer/${src.rev}/CHANGES.md";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ redianthus ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index f884a3d7ad7f..07345c1958b5 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1977,6 +1977,8 @@ let
 
         swhid_core = callPackage ../development/ocaml-modules/swhid_core { };
 
+        synchronizer = callPackage ../development/ocaml-modules/synchronizer { };
+
         syslog = callPackage ../development/ocaml-modules/syslog { };
 
         syslog-message = callPackage ../development/ocaml-modules/syslog-message { };