-- --
-- S p e c --
-- --
--- Copyright (C) 1997-2003 Free Software Foundation, Inc. --
+-- Copyright (C) 1997-2009, 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- --
+-- ware Foundation; either version 3, 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- 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. --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
--- This package contains the definitions and routines used as parameters
--- to the run-time system at program startup for the SGI implementation.
+-- This package contains the definitions and routines used as parameters to
+-- the run-time system at program startup for the SGI implementation.
package System.Program_Info is
+ pragma Preelaborate;
function Initial_Sproc_Count return Integer;
- --
- -- The number of sproc created at program startup for scheduling
- -- threads.
- --
+ -- The number of sproc created at program startup for scheduling threads
- function Max_Sproc_Count return Integer;
- --
- -- The maximum number of sprocs that can be created by the program
- -- for servicing threads. This limit includes both the pre-created
- -- sprocs and those explicitly created under program control.
- --
+ function Max_Sproc_Count return Integer;
+ -- The maximum number of sprocs that can be created by the program for
+ -- servicing threads. This limit includes both the pre-created sprocs and
+ -- those explicitly created under program control.
- function Sproc_Stack_Size return Integer;
- --
- -- The size, in bytes, of the sproc's initial stack.
- --
+ function Sproc_Stack_Size return Integer;
+ -- The size, in bytes, of the sproc's initial stack
function Default_Time_Slice return Duration;
- --
-- The default time quanta for round-robin scheduling of threads of
-- equal priority. This default value can be overridden on a per-task
-- basis by specifying an alternate value via the implementation-defined
-- Task_Info pragma. See s-tasinf.ads for more information.
- --
- function Default_Task_Stack return Integer;
- --
- -- The default stack size for each created thread. This default value
- -- can be overriden on a per-task basis by the language-defined
- -- Storage_Size pragma.
- --
+ function Default_Task_Stack return Integer;
+ -- The default stack size for each created thread. This default value can
+ -- be overridden on a per-task basis by the language-defined Storage_Size
+ -- pragma.
- function Stack_Guard_Pages return Integer;
- --
+ function Stack_Guard_Pages return Integer;
-- The number of non-writable, guard pages to append to the bottom of
-- each thread's stack.
- --
function Pthread_Sched_Signal return Integer;
- --
-- The signal used by the Pthreads library to affect scheduling actions
-- in remote sprocs.
- --
- function Pthread_Arena_Size return Integer;
- --
+ function Pthread_Arena_Size return Integer;
-- The size of the shared arena from which pthread locks are allocated.
-- See the usinit(3p) man page for more information on shared arenas.
- --
function Os_Default_Priority return Integer;
- --
-- The default Irix Non-Degrading priority for each sproc created to
-- service threads.
- --
end System.Program_Info;
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