------------------------------------------------------------------------------
-- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
--- S Y S T E M . I N T E R R U P T _ M A N A G E M E N T . --
--- O P E R A T I O N S --
+-- SYSTEM.INTERRUPT_MANAGEMENT.OPERATIONS --
-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2004, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, 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. --
procedure Install_Default_Action (Interrupt : Interrupt_ID);
pragma Inline (Install_Default_Action);
- -- Set the sigaction of the Interrupt to default (SIG_DFL).
+ -- Set the sigaction of the Interrupt to default (SIG_DFL)
procedure Install_Ignore_Action (Interrupt : Interrupt_ID);
pragma Inline (Install_Ignore_Action);
- -- Set the sigaction of the Interrupt to ignore (SIG_IGN).
+ -- Set the sigaction of the Interrupt to ignore (SIG_IGN)
procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask);
pragma Inline (Fill_Interrupt_Mask);
procedure Copy_Interrupt_Mask (X : out Interrupt_Mask; Y : Interrupt_Mask);
pragma Inline (Copy_Interrupt_Mask);
- -- Assigment needed for limited private type Interrupt_Mask.
+ -- Assignment needed for limited private type Interrupt_Mask
procedure Interrupt_Self_Process (Interrupt : Interrupt_ID);
pragma Inline (Interrupt_Self_Process);
-- Raise an Interrupt process-level
- -- The following objects serve as constants, but are initialized
- -- in the body to aid portability. These actually belong to the
- -- System.Interrupt_Management but since Interrupt_Mask is a
- -- private type we can not have them declared there.
+ procedure Setup_Interrupt_Mask;
+ -- Mask Environment task for all signals
+ -- This function should be called by the elaboration of System.Interrupt
+ -- to set up proper signal masking in all tasks.
+
+ -- The following objects serve as constants, but are initialized in the
+ -- body to aid portability. These should be in System.Interrupt_Management
+ -- but since Interrupt_Mask is private type we cannot have them declared
+ -- there.
-- Why not make these deferred constants that are initialized using
-- function calls in the private part???
Environment_Mask : aliased Interrupt_Mask;
- -- This mask represents the mask of Environment task when this package
- -- is being elaborated, except the signals being
- -- forced to be unmasked by RTS (items in Keep_Unmasked)
+ -- This mask represents the mask of Environment task when this package is
+ -- being elaborated, except the signals being forced to be unmasked by RTS
+ -- (items in Keep_Unmasked)
All_Tasks_Mask : aliased Interrupt_Mask;
-- This is the mask of all tasks created in RTS. Only one task in RTS