id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
9553	destruction of flyweights fails from a module which never creates flyweigths	Axel Habermann <haa@…>	Joaquín M López Muñoz	"Using a factory pattern together with shared_ptr, all flyweight instances are created in one dll only.
Due to shared ownership, they might be destroyed from a dll which never creates a single flyweight.
Because erase does not call core::init(), the module global state for flyweight management is never initialized, even when using  intermodule_holder, leading to a crash when accessed.

It is not possible 
to provide a minimal example, because the example must consist of different modules.

The following patch fixes the problem:

{{{
Index: flyweight/detail/flyweight_core.hpp
===================================================================
--- flyweight/detail/flyweight_core.hpp	(revision 462875)
+++ flyweight/detail/flyweight_core.hpp	(revision 462876)
@@ -65,6 +65,7 @@
   template<typename Checker>
   static void erase(const handle_type& h,Checker chk)
   {
+    core::init();
     typedef typename core::lock_type lock_type;
     lock_type lock(core::mutex());
     if(chk(h))core::factory().erase(h);

}}}
"	Bugs	closed	To Be Determined	flyweight	Boost 1.55.0	Showstopper	fixed		si@… mue@…