*** shared_count.hpp.~1.31.~	Sun Jan 19 10:14:15 2003
--- shared_count.hpp	Wed Jan 29 17:28:11 2003
***************
*** 37,45 ****
--- 37,104 ----
  # pragma warn -8027     // Functions containing try are not expanded inline
  #endif
  
+ # include <deque>
+ # include <boost/type_traits/type_with_alignment.hpp>
+ # include <boost/type_traits/alignment_of.hpp>
+ 
  namespace boost
  {
  
+   namespace aux_
+   {
+ // # include <iostream>
+ 
+ template <unsigned sz, unsigned align>
+ union freeblock
+ {
+     typename boost::type_with_alignment<align>::type aligner;
+     char bytes[sz];
+     freeblock *next;
+ };
+ 
+ template <unsigned sz, unsigned align>
+ struct allocator_impl
+ {
+     typedef freeblock<sz,align> block;
+     
+     static std::deque<block> store;
+     static block* free;
+     
+     static inline void* alloc()
+     {
+         block* x = free;
+         if (x)
+         {
+             free = x->next;
+             return x;
+         }
+         else
+         {
+             store.resize(store.size() + 1);
+             return &store.back();
+         }
+     }
+ 
+     static inline void dealloc(void* p_)
+     {
+         block* p = static_cast<block*>(p_);
+         p->next = free;
+         free = p;
+     }
+ };
+ 
+ 
+ template <unsigned sz, unsigned align>
+ std::deque<freeblock<sz,align> > allocator_impl<sz,align>::store;
+ 
+ template <unsigned sz, unsigned align>
+ freeblock<sz,align>* allocator_impl<sz,align>::free = 0;
+ 
+ template <class T>
+ struct quick_allocator : allocator_impl<sizeof(T), boost::alignment_of<T>::value>
+ {
+ };
+   }
  // Debug hooks
  
  #if defined(BOOST_ENABLE_SP_DEBUG_HOOKS)
***************
*** 272,277 ****
--- 331,346 ----
      void operator delete(void * p)
      {
          std::allocator<this_type>().deallocate(static_cast<this_type *>(p), 1);
+     }
+ #else 
+     void * operator new(std::size_t)
+     {
+         return aux_::quick_allocator<this_type>::alloc();
+     }
+ 
+     void operator delete(void * p)
+     {
+         aux_::quick_allocator<this_type>::dealloc(p);
      }
  
  #endif