Speedup ebpf_handle_table_terminate by avoiding acquire/release of lock

libs/runtime/user/ebpf_handle_user.c

@@ -34,10 +34,15 @@ ebpf_handle_table_terminate()
         EBPF_RETURN_VOID();
     }
 
+    ebpf_lock_state_t state;
+    state = ebpf_lock_lock(&_ebpf_handle_table_lock);
     for (handle = 0; handle < EBPF_COUNT_OF(_ebpf_handle_table); handle++) {
-        // Ignore invalid handle close.
-        (void)ebpf_handle_close(handle);
+        if (_ebpf_handle_table[handle] != NULL) {
+            EBPF_OBJECT_RELEASE_REFERENCE_INDIRECT(_ebpf_handle_table[handle]);
+            _ebpf_handle_table[handle] = NULL;
+        }
     }
+    ebpf_lock_unlock(&_ebpf_handle_table_lock, state);
     _ebpf_handle_table_initiated = false;
     EBPF_RETURN_VOID();
 }

tests/end_to_end/end_to_end.cpp

@@ -382,6 +382,8 @@ ebpf_program_load(
             }
         }
         bpf_object__close(new_object);
+        // Add delay to permit the native module handle cleanup to complete.
+        std::this_thread::sleep_for(std::chrono::milliseconds(100));
         return error;
     }