------------------------------------------------------------------------------
-- --
--- 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) 1992-2007, 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- --
-- 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. --
+-- 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, --
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.
+ -- Assigment 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