(svn r16745) -Fix [FS#3011]: invalidate JoinStation window after removing item from the pool

src/core/pool_func.hpp

@@ -108,6 +108,7 @@ DEFINE_POOL_METHOD(void)::FreeItem(size_t index)
 	this->data[index] = NULL;
 	this->first_free = min(this->first_free, index);
 	this->items--;
+	if (!this->cleaning) Titem::PostDestructor(index);
 }
 
 DEFINE_POOL_METHOD(void)::CleanPool()

src/core/pool_type.hpp

@@ -221,6 +221,15 @@ struct Pool {
 		{
 			return Tpool->items;
 		}
+
+		/**
+		 * Dummy function called after destructor of each member.
+		 * If you want to use it, override it in PoolItem's subclass.
+		 * @param index index of deleted item
+		 * @note when this function is called, PoolItem::Get(index) == NULL.
+		 * @note it's called only when !CleaningPool()
+		 */
+		static FORCEINLINE void PostDestructor(size_t index) { }
 	};
 
 private: