From ee4eb695119bce96515b330f9fc83ddd67da5c62 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 2 Dec 2009 12:26:05 +0200
Subject: Implement de-registering polymorphic type information

This is required for DLL/shared library unloading.
---
 libxsd/xsd/cxx/tree/comparison-map.txx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'libxsd/xsd/cxx/tree/comparison-map.txx')

diff --git a/libxsd/xsd/cxx/tree/comparison-map.txx b/libxsd/xsd/cxx/tree/comparison-map.txx
index 38f215f..3af2a42 100644
--- a/libxsd/xsd/cxx/tree/comparison-map.txx
+++ b/libxsd/xsd/cxx/tree/comparison-map.txx
@@ -219,6 +219,13 @@ namespace xsd
       }
 
       template <typename C>
+      void comparison_map<C>::
+      unregister_type (const type_id& tid)
+      {
+        type_map_.erase (&tid);
+      }
+
+      template <typename C>
       bool comparison_map<C>::
       compare (const type& x, const type& y)
       {
@@ -282,6 +289,13 @@ namespace xsd
         comparison_map_instance<id, C> ().register_type (
           typeid (T), &comparator_impl<T>);
       }
+
+      template<unsigned long id, typename C, typename T>
+      comparison_initializer<id, C, T>::
+      ~comparison_initializer ()
+      {
+        comparison_map_instance<id, C> ().unregister_type (typeid (T));
+      }
     }
   }
 }
-- 
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