Index: libs/thread/src/tss.cpp
===================================================================
RCS file: /cvsroot/boost/boost/libs/thread/src/tss.cpp,v
retrieving revision 1.16.10.4
diff -c -r1.16.10.4 tss.cpp
*** libs/thread/src/tss.cpp	1 Oct 2006 12:57:18 -0000	1.16.10.4
--- libs/thread/src/tss.cpp	20 Apr 2007 06:49:12 -0000
***************
*** 126,132 ****
--- 126,135 ----
  {
      tss_slots* slots = get_slots(false);
      if (slots)
+     {
          cleanup_slots(slots);
+         TlsSetValue(tss_data_native_key, NULL);
+     }
  }
  #endif