Remove unsafe Send and Sync impls and cleanup comments and dividers

src/process_manager.rs

@@ -95,10 +95,6 @@ pub struct ProcessManager {
     pub(crate) auto_cleanup: bool,
 }
 
-/* ========================================================================== */
-/*  Construction / configuration                                              */
-/* ========================================================================== */
-
 impl ProcessManager {
     /// New manager with auto-cleanup of finished children enabled.
     pub fn new() -> Self {
@@ -167,10 +163,6 @@ impl ProcessManager {
     }
 }
 
-/* ========================================================================== */
-/*  Runnable implementation                                                   */
-/* ========================================================================== */
-
 impl Runnable for ProcessManager {
     fn process_start(&self) -> ProcFuture<'_> {
         let inner = Arc::clone(&self.inner);
@@ -221,7 +213,7 @@ impl Runnable for ProcessManager {
                 #[cfg(feature = "tracing")]
                 {
                     for child in self.inner.processes.lock().unwrap().iter() {
-                        ::tracing::info!(
+                        ::tracing::debug!(
                             "Process {}: running={:?}",
                             child.proc.process_name(),
                             !child.join_handle.is_finished()
@@ -271,9 +263,9 @@ impl Runnable for ProcessManager {
             match first_error {
                 Some(error) => {
                     #[cfg(feature = "tracing")]
-                    ::tracing::info!("Shutdown process manager {name} with error: {error:?}");
+                    ::tracing::warn!("Shutdown process manager {name} with error: {error:?}");
                     #[cfg(all(not(feature = "tracing"), feature = "log"))]
-                    ::log::info!("Shutdown process manager {name} with error: {error:?}");
+                    ::log::warn!("Shutdown process manager {name} with error: {error:?}");
                     #[cfg(all(not(feature = "tracing"), not(feature = "log")))]
                     eprintln!("Shutdown process manager {name} with error: {error:?}");
                     Err(error)
@@ -312,10 +304,6 @@ impl Default for ProcessManager {
     }
 }
 
-/* ========================================================================== */
-/*  Control Handle                                                            */
-/* ========================================================================== */
-
 struct Handle {
     inner: Arc<Inner>,
 }
@@ -396,10 +384,6 @@ impl ProcessControlHandler for Handle {
     }
 }
 
-/* ========================================================================== */
-/*  Helper – spawn a single child                                             */
-/* ========================================================================== */
-
 fn spawn_child(id: usize, proc: Arc<dyn Runnable>, inner: Arc<Inner>) -> JoinHandle<()> {
     // increment *before* spawning the task – guarantees the counter is in sync
     inner.active.fetch_add(1, Ordering::SeqCst);

src/runtime_guard.rs

@@ -15,11 +15,6 @@ struct Inner {
     control_ch_sender: Arc<Mutex<tokio::sync::mpsc::Sender<RuntimeControlMessage>>>,
 }
 
-// SAFETY: All interior mutability is protected by `tokio::sync::Mutex`, so
-// `&RuntimeGuard` can be safely shared between threads.
-unsafe impl Send for RuntimeGuard {}
-unsafe impl Sync for RuntimeGuard {}
-
 impl RuntimeGuard {
     pub fn new() -> Self {
         let (sender, mut receiver) = tokio::sync::mpsc::channel(1);

src/runtime_ticker.rs

@@ -8,9 +8,6 @@ pub struct RuntimeTicker {
     control_ch_receiver: Arc<Mutex<tokio::sync::mpsc::Receiver<RuntimeControlMessage>>>,
 }
 
-unsafe impl Send for RuntimeTicker {}
-unsafe impl Sync for RuntimeTicker {}
-
 impl RuntimeTicker {
     pub(crate) fn new() -> (Self, tokio::sync::mpsc::Sender<RuntimeControlMessage>) {
         let (sender, receiver) = tokio::sync::mpsc::channel(1);