Ticket #284: boost_pool.patch

pool.hpp

@@ -153 +153 @@
     const simple_segregated_storage<size_type> & store() const { return *this; }
     const size_type requested_size;
     size_type next_size;
+    size_type start_size;
 
     // finds which POD in the list 'chunk' was allocated from
     details::PODptr<size_type> find_POD(void * const chunk) const;
@@ -192 +193 @@
     // pre: npartition_size != 0 && nnext_size != 0
     explicit pool(const size_type nrequested_size,
         const size_type nnext_size = 32)
-    :list(0, 0), requested_size(nrequested_size), next_size(nnext_size)
+    :list(0, 0), requested_size(nrequested_size), next_size(nnext_size), start_size(nnext_size)
     { }
 
     ~pool() { purge_memory(); }
@@ -208 +209 @@
 
     // These functions are extensions!
     size_type get_next_size() const { return next_size; }
-    void set_next_size(const size_type nnext_size) { next_size = nnext_size; }
+    void set_next_size(const size_type nnext_size) { next_size = nnext_size; start_size = nnext_size; }
 
     // Both malloc and ordered_malloc do a quick inlined check first for any
     //  free chunks.  Only if we need to get another memory block do we call
@@ -419 +420 @@
 
   list.invalidate();
   this->first = 0;
+
+  next_size = start_size;
 
   return true;
 }