bug 1754: add missing GIL lock in generated callback destructor

db-ol · Aug 14, 2013 · a6857b4 · a6857b4
1 parent b4828ad
commit a6857b4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/bindings/python/ns3modulegen_core_customizations.py b/bindings/python/ns3modulegen_core_customizations.py
@@ -177,8 +177,11 @@ class %s : public ns3::CallbackImpl<%s>
     }
     virtual ~%s()
     {
+        PyGILState_STATE __py_gil_state;
+        __py_gil_state = (PyEval_ThreadsInitialized() ? PyGILState_Ensure() : (PyGILState_STATE) 0);
         Py_DECREF(m_callback);
         m_callback = NULL;
+        PyGILState_Release(__py_gil_state);
     }
 
     virtual bool IsEqual(ns3::Ptr<const ns3::CallbackImplBase> other_base) const