From c97f1fc87c949570063b85f958e611251bfbf01f Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Fri, 5 Jul 2024 19:46:32 +0200
Subject: [PATCH] Support s6-rc for service control

---
 src/timedate.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/timedate.cpp b/src/timedate.cpp
index 509bb95..c67ab52 100644
--- a/src/timedate.cpp
+++ b/src/timedate.cpp
@@ -255,6 +255,24 @@ namespace dlackware::timedate
 
     void set_ntp(bool use_ntp, bool)
     {
+        try
+        {
+            std::string service_state = use_ntp ? "-u" : "-d";
+            const auto command_flags = Glib::SpawnFlags::SPAWN_SEARCH_PATH
+                | Glib::SpawnFlags::SPAWN_STDERR_TO_DEV_NULL | Glib::SpawnFlags::SPAWN_STDERR_TO_DEV_NULL;
+            int wait_status{-1};
+
+            Glib::spawn_sync("", std::vector<std::string>{ "s6-rc", service_state, "change", "ntpd" },
+                    command_flags, {}, nullptr, nullptr, &wait_status);
+
+            if (wait_status == 0 || wait_status == 0x300) // Unknown service name in the arguments.
+            {
+                return;
+            }
+        }
+        catch (const Glib::SpawnError& spawn_error)
+        {
+        }
         std::filesystem::perms rc_mode = std::filesystem::perms::owner_read | std::filesystem::perms::owner_write
             | std::filesystem::perms::group_read | std::filesystem::perms::others_read;