fix errors

Author: maniwani

crates/bevy_app/src/app.rs

@@ -235,8 +235,6 @@ impl App {
 
         // reassemble
         *self = App::from_parts(sub_apps, tls, send, recv, runner);
-
-        self.remove_tls_channel();
     }
 
     /// Runs the [`App`] by calling its [runner](Self::set_runner).
@@ -927,9 +925,10 @@ impl App {
 type RunnerFn = Box<dyn FnOnce(App)>;
 
 fn run_once(mut app: App) {
+    let initial_plugins_state = app.plugins_state();
+
     // wait for plugins to finish setting up
-    let plugins_state = app.plugins_state();
-    if plugins_state != PluginsState::Cleaned {
+    if app.plugins_state() != PluginsState::Cleaned {
         while app.plugins_state() == PluginsState::Adding {
             #[cfg(not(target_arch = "wasm32"))]
             bevy_tasks::tick_global_task_pools_on_main_thread();
@@ -939,7 +938,7 @@ fn run_once(mut app: App) {
     }
 
     // If plugins where cleaned before the runner start, an update already ran
-    if plugins_state == PluginsState::Cleaned {
+    if initial_plugins_state == PluginsState::Cleaned {
         return;
     }
 

crates/bevy_app/src/schedule_runner.rs

@@ -67,8 +67,7 @@ impl Plugin for ScheduleRunnerPlugin {
         let run_mode = self.run_mode;
         app.set_runner(move |mut app: App| {
             // wait for plugins to finish setting up
-            let plugins_state = app.plugins_state();
-            if plugins_state != PluginsState::Cleaned {
+            if app.plugins_state() != PluginsState::Cleaned {
                 while app.plugins_state() == PluginsState::Adding {
                     #[cfg(not(target_arch = "wasm32"))]
                     bevy_tasks::tick_global_task_pools_on_main_thread();
@@ -81,7 +80,7 @@ impl Plugin for ScheduleRunnerPlugin {
             match run_mode {
                 RunMode::Once => {
                     // if plugins where cleaned before the runner start, an update already ran
-                    if plugins_state != PluginsState::Cleaned {
+                    if app.plugins_state() != PluginsState::Cleaned {
                         app.update();
                     }
                 }

crates/bevy_ecs/macros/src/lib.rs

@@ -198,10 +198,6 @@ pub fn impl_param_set(_input: TokenStream) -> TokenStream {
                         #param::init_state(world, &mut #meta);
                         let #param = #param::init_state(world, &mut system_meta.clone());
                     )*
-                    // Make the ParamSet non-send if any of its parameters are non-send.
-                    if false #(|| !#meta.is_send())* {
-                        system_meta.set_non_send();
-                    }
                     #(
                         system_meta
                             .component_access_set

crates/bevy_ecs/src/storage/resource_non_send.rs

@@ -424,6 +424,15 @@ impl ThreadLocalStorage {
         TLS.with_borrow_mut(|tls| tls.resource_scope(f))
     }
 
+    /// Runs `f` in a scope that has access to the thread-local resources.
+    pub fn run<F, T>(&mut self, f: F) -> T
+    where
+        F: FnOnce(&mut ThreadLocals) -> T,
+        T: 'static,
+    {
+        TLS.with_borrow_mut(|tls| f(tls))
+    }
+
     /// Inserts a channel into `world` that systems in `world` (via [`ThreadLocal`]) can use to
     /// access the underlying [`ThreadLocals`].
     pub fn insert_channel<S>(&self, world: &mut World, sender: S)

crates/bevy_ecs/src/system/system_param.rs

@@ -1506,34 +1506,4 @@ mod tests {
         schedule.add_systems(non_sync_system);
         schedule.run(&mut world);
     }
-
-    // Regression test for https://github.com/bevyengine/bevy/issues/10207.
-    #[test]
-    fn param_set_non_send_first() {
-        fn non_send_param_set(mut p: ParamSet<(NonSend<*mut u8>, ())>) {
-            let _ = p.p0();
-            p.p1();
-        }
-
-        let mut world = World::new();
-        world.insert_non_send_resource(std::ptr::null_mut::<u8>());
-        let mut schedule = crate::schedule::Schedule::default();
-        schedule.add_systems((non_send_param_set, non_send_param_set, non_send_param_set));
-        schedule.run(&mut world);
-    }
-
-    // Regression test for https://github.com/bevyengine/bevy/issues/10207.
-    #[test]
-    fn param_set_non_send_second() {
-        fn non_send_param_set(mut p: ParamSet<((), NonSendMut<*mut u8>)>) {
-            p.p0();
-            let _ = p.p1();
-        }
-
-        let mut world = World::new();
-        world.insert_non_send_resource(std::ptr::null_mut::<u8>());
-        let mut schedule = crate::schedule::Schedule::default();
-        schedule.add_systems((non_send_param_set, non_send_param_set, non_send_param_set));
-        schedule.run(&mut world);
-    }
 }