add more systemd notify integration with stopping/reloading/ready states

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/config/mod.rs

@@ -43,7 +43,15 @@ impl Deref for Service {
 #[implement(Service)]
 fn handle_reload(&self) -> Result {
 	if self.server.config.config_reload_signal {
+		#[cfg(all(feature = "systemd", target_os = "linux"))]
+		sd_notify::notify(true, &[sd_notify::NotifyState::Reloading])
+			.expect("failed to notify systemd of reloading state");
+
 		self.reload(iter::empty())?;
+
+		#[cfg(all(feature = "systemd", target_os = "linux"))]
+		sd_notify::notify(true, &[sd_notify::NotifyState::Ready])
+			.expect("failed to notify systemd of ready state");
 	}
 
 	Ok(())