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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . P A R A M E T E R S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1997-2002 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. --
-- --
------------------------------------------------------------------------------
-- This is the OS/2 specific version - default stacksizes need to be large
package body System.Parameters is
------------------------
-- Default_Stack_Size --
------------------------
function Default_Stack_Size return Size_Type is
begin
-- The default stack size for extra tasks is based on the
-- default stack size for the main task (8 MB) and for the heap
-- (32 MB).
-- In OS/2 it doesn't hurt to define large stacks, unless
-- the system is configured to commit all memory reservations.
-- This is not a default configuration however.
return 1024 * 1024;
end Default_Stack_Size;
------------------------
-- Minimum_Stack_Size --
------------------------
function Minimum_Stack_Size return Size_Type is
begin
-- System functions may need 8 kB of stack, so 12 kB seems a
-- good minimum.
return 12 * 1024;
end Minimum_Stack_Size;
-------------------------
-- Adjust_Storage_Size --
-------------------------
function Adjust_Storage_Size (Size : Size_Type) return Size_Type is
begin
if Size = Unspecified_Size then
return Default_Stack_Size;
elsif Size < Minimum_Stack_Size then
return Minimum_Stack_Size;
else
return Size;
end if;
end Adjust_Storage_Size;
end System.Parameters;
|
