allow concurrency in service actor (#2592)

core/startos/src/service/action.rs

@@ -4,19 +4,27 @@ use models::{ActionId, ProcedureName};
 
 use crate::action::ActionResult;
 use crate::prelude::*;
+use crate::service::config::GetConfig;
+use crate::service::dependencies::DependencyConfig;
 use crate::service::{Service, ServiceActor};
-use crate::util::actor::{BackgroundJobs, Handler};
+use crate::util::actor::background::BackgroundJobQueue;
+use crate::util::actor::{ConflictBuilder, Handler};
 
-struct Action {
+pub(super) struct Action {
     id: ActionId,
     input: Value,
 }
 impl Handler<Action> for ServiceActor {
     type Response = Result<ActionResult, Error>;
+    fn conflicts_with(_: &Action) -> ConflictBuilder<Self> {
+        ConflictBuilder::everything()
+            .except::<GetConfig>()
+            .except::<DependencyConfig>()
+    }
     async fn handle(
         &mut self,
         Action { id, input }: Action,
-        _: &mut BackgroundJobs,
+        _: &BackgroundJobQueue,
     ) -> Self::Response {
         let container = &self.0.persistent_container;
         container