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------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S Y S T E M . P A R A M E T E R S --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1997-2002 Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This is the OS/2 specific version - default stacksizes need to be large
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package body System.Parameters is
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------------------------
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-- Default_Stack_Size --
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------------------------
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function Default_Stack_Size return Size_Type is
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begin
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-- The default stack size for extra tasks is based on the
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-- default stack size for the main task (8 MB) and for the heap
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-- (32 MB).
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-- In OS/2 it doesn't hurt to define large stacks, unless
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-- the system is configured to commit all memory reservations.
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-- This is not a default configuration however.
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return 1024 * 1024;
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end Default_Stack_Size;
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------------------------
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-- Minimum_Stack_Size --
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------------------------
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function Minimum_Stack_Size return Size_Type is
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begin
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-- System functions may need 8 kB of stack, so 12 kB seems a
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-- good minimum.
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return 12 * 1024;
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end Minimum_Stack_Size;
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-------------------------
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-- Adjust_Storage_Size --
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-------------------------
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function Adjust_Storage_Size (Size : Size_Type) return Size_Type is
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begin
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if Size = Unspecified_Size then
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return Default_Stack_Size;
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elsif Size < Minimum_Stack_Size then
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return Minimum_Stack_Size;
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else
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return Size;
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end if;
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end Adjust_Storage_Size;
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end System.Parameters;
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