-- --
-- B o d y --
-- --
--- Copyright (C) 1997-2007, Free Software Foundation, Inc. --
+-- Copyright (C) 1997-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- 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 GNARL; 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/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
Dispatching_Policy : Character;
pragma Import (C, Dispatching_Policy, "__gl_task_dispatching_policy");
+ Time_Slice_Val : Integer;
+ pragma Import (C, Time_Slice_Val, "__gl_time_slice_val");
+
begin
-- For the case SCHED_OTHER the only valid priority across all supported
- -- versions of AIX is 1. Otherwise, for SCHED_RR and SCHED_FIFO, the
- -- system defines priorities in the range 1 .. 127. This means that we
- -- must map System.Any_Priority in the range 0 .. 126 to 1 .. 127.
+ -- versions of AIX is 1 (note that the scheduling policy can be set
+ -- with the pragma Task_Dispatching_Policy or setting the time slice
+ -- value). Otherwise, for SCHED_RR and SCHED_FIFO, the system defines
+ -- priorities in the range 1 .. 127. This means that we must map
+ -- System.Any_Priority in the range 0 .. 126 to 1 .. 127.
- if Dispatching_Policy = ' ' then
+ if Dispatching_Policy = ' ' and then Time_Slice_Val < 0 then
return 1;
else
return Interfaces.C.int (Prio) + 1;
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