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------------------------------------------------------------------------------
-- --
-- GNU ADA 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 --
-- --
-- S p e c --
-- --
-- $Revision: 1.4 $ --
-- --
-- Copyright (C) 1992-1998, 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- --
-- 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. --
-- --
-- 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. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. It is --
-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
-- State University (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
package System.Interrupt_Management.Operations is
procedure Thread_Block_Interrupt (Interrupt : Interrupt_ID);
-- Mask the calling thread for the interrupt
pragma Inline (Thread_Block_Interrupt);
procedure Thread_Unblock_Interrupt (Interrupt : Interrupt_ID);
-- Unmask the calling thread for the interrupt
pragma Inline (Thread_Unblock_Interrupt);
procedure Set_Interrupt_Mask (Mask : access Interrupt_Mask);
-- Set the interrupt mask of the calling thread
procedure Set_Interrupt_Mask
(Mask : access Interrupt_Mask;
OMask : access Interrupt_Mask);
-- Set the interrupt mask of the calling thread while returning the
-- previous Mask.
pragma Inline (Set_Interrupt_Mask);
procedure Get_Interrupt_Mask (Mask : access Interrupt_Mask);
-- Get the interrupt mask of the calling thread
pragma Inline (Get_Interrupt_Mask);
function Interrupt_Wait (Mask : access Interrupt_Mask) return Interrupt_ID;
-- Wait for the interrupts specified in Mask and return
-- the interrupt received. Upon error it return 0.
pragma Inline (Interrupt_Wait);
procedure Install_Default_Action (Interrupt : Interrupt_ID);
-- Set the sigaction of the Interrupt to default (SIG_DFL).
pragma Inline (Install_Default_Action);
procedure Install_Ignore_Action (Interrupt : Interrupt_ID);
-- Set the sigaction of the Interrupt to ignore (SIG_IGN).
pragma Inline (Install_Ignore_Action);
procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask);
-- Get a Interrupt_Mask with all the interrupt masked
pragma Inline (Fill_Interrupt_Mask);
procedure Empty_Interrupt_Mask (Mask : access Interrupt_Mask);
-- Get a Interrupt_Mask with all the interrupt unmasked
pragma Inline (Empty_Interrupt_Mask);
procedure Add_To_Interrupt_Mask
(Mask : access Interrupt_Mask;
Interrupt : Interrupt_ID);
-- Mask the given interrupt in the Interrupt_Mask
pragma Inline (Add_To_Interrupt_Mask);
procedure Delete_From_Interrupt_Mask
(Mask : access Interrupt_Mask;
Interrupt : Interrupt_ID);
-- Unmask the given interrupt in the Interrupt_Mask
pragma Inline (Delete_From_Interrupt_Mask);
function Is_Member
(Mask : access Interrupt_Mask;
Interrupt : Interrupt_ID) return Boolean;
-- See if a given interrupt is masked in the Interrupt_Mask
pragma Inline (Is_Member);
procedure Copy_Interrupt_Mask (X : out Interrupt_Mask; Y : Interrupt_Mask);
-- Assigment needed for limited private type Interrupt_Mask.
pragma Inline (Copy_Interrupt_Mask);
procedure Interrupt_Self_Process (Interrupt : Interrupt_ID);
-- raise an Interrupt process-level
pragma Inline (Interrupt_Self_Process);
-- 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.
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)
All_Tasks_Mask : aliased Interrupt_Mask;
-- This is the mask of all tasks created in RTS. Only one task in RTS
-- is responsible for masking/unmasking signals (see s-interr.adb).
end System.Interrupt_Management.Operations;
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