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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S Y S T E M . P O O L _ G L O B A L -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2005 Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with System; with System.Storage_Pools; with System.Storage_Elements; package System.Pool_Global is pragma Elaborate_Body; -- Needed to ensure that library routines can execute allocators -- Allocation strategy: -- Call to malloc/free for each Allocate/Deallocate -- no user specifiable size -- no automatic reclaim -- minimal overhead -- Pool simulating the allocation/deallocation strategy used by the -- compiler for access types globally declared. type Unbounded_No_Reclaim_Pool is new System.Storage_Pools.Root_Storage_Pool with null record; function Storage_Size (Pool : Unbounded_No_Reclaim_Pool) return System.Storage_Elements.Storage_Count; procedure Allocate (Pool : in out Unbounded_No_Reclaim_Pool; Address : out System.Address; Storage_Size : System.Storage_Elements.Storage_Count; Alignment : System.Storage_Elements.Storage_Count); procedure Deallocate (Pool : in out Unbounded_No_Reclaim_Pool; Address : System.Address; Storage_Size : System.Storage_Elements.Storage_Count; Alignment : System.Storage_Elements.Storage_Count); -- Pool object used by the compiler when implicit Storage Pool objects are -- explicitly referred to. For instance when writing something like: -- for T'Storage_Pool use Q'Storage_Pool; -- and Q'Storage_Pool hasn't been defined explicitly. Global_Pool_Object : Unbounded_No_Reclaim_Pool; end System.Pool_Global;