fix(graph): make barrier more robust (#474)

Author: nyannyacha

crates/graph/lib.rs

@@ -418,18 +418,21 @@ impl EszipDataSection {
     pub async fn read_data_section_all(self: Arc<Self>) -> Result<(), ParseError> {
         // NOTE: Below codes is roughly originated from eszip@0.72.2/src/v2.rs
 
-        let this = {
-            let sem = self.read_all_barrier.clone();
+        let sem = self.read_all_barrier.clone();
+        let this = loop {
             let permit = sem
                 .acquire_many(READ_ALL_BARRIER_MAX_PERMITS as u32)
                 .await
                 .unwrap();
 
-            let this = Arc::into_inner(self).unwrap();
-
-            sem.close();
-            drop(permit);
-            this
+            if Arc::strong_count(&self) != 1 {
+                drop(permit);
+                tokio::task::yield_now().await;
+                continue;
+            } else {
+                sem.close();
+                break Arc::into_inner(self).unwrap();
+            }
         };
 
         let modules = this.modules;