Index: src/winsup/cygwin/cygthread.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/cygthread.cc,v
retrieving revision 1.85
diff -u -p -r1.85 cygthread.cc
--- src/winsup/cygwin/cygthread.cc	30 Jul 2011 20:50:23 -0000	1.85
+++ src/winsup/cygwin/cygthread.cc	25 Aug 2011 18:44:32 -0000
@@ -136,7 +136,11 @@ cygthread::simplestub (VOID *arg)
   cygthread *info = (cygthread *) arg;
   _my_tls._ctinfo = info;
   info->stack_ptr = &arg;
+  HANDLE notify = info->notify_detached;
   info->callfunc (true);
+  if (notify) 
+     SetEvent(notify);
+    
   return 0;
 }