fix sigint guard condition's lifecycle bug

* fix ros2#215 Signed-off-by: reed-lau <[email protected]>
reed-lau · Mar 18, 2019 · 70a53a5 · 70a53a5
1 parent e9cc80c
commit 70a53a5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/rclpy/src/rclpy/_rclpy.c b/rclpy/src/rclpy/_rclpy.c
@@ -2104,6 +2104,9 @@ rclpy_destroy_entity(PyObject * Py_UNUSED(self), PyObject * args)
   } else if (PyCapsule_IsValid(pyentity, "rcl_guard_condition_t")) {
     rcl_guard_condition_t * guard_condition = (rcl_guard_condition_t *)PyCapsule_GetPointer(
       pyentity, "rcl_guard_condition_t");
+    if ( g_sigint_gc_handle == guard_condition ) {
+        g_sigint_gc_handle = NULL;
+    }
     ret = rcl_guard_condition_fini(guard_condition);
     PyMem_Free(guard_condition);
   } else {