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a-interr.adb
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a-interr.adb
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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- A D A . I N T E R R U P T S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1991-2017, Florida State University --
-- Copyright (C) 1995-2024, AdaCore --
-- --
-- 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 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. --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
with Ada.Unchecked_Conversion;
package body Ada.Interrupts is
package SI renames System.Interrupts;
function To_System is new Ada.Unchecked_Conversion
(Parameterless_Handler, SI.Parameterless_Handler);
function To_Ada is new Ada.Unchecked_Conversion
(SI.Parameterless_Handler, Parameterless_Handler);
--------------------
-- Attach_Handler --
--------------------
procedure Attach_Handler
(New_Handler : Parameterless_Handler;
Interrupt : Interrupt_ID)
is
begin
SI.Attach_Handler
(To_System (New_Handler), SI.Interrupt_ID (Interrupt), False);
end Attach_Handler;
---------------------
-- Current_Handler --
---------------------
function Current_Handler
(Interrupt : Interrupt_ID) return Parameterless_Handler
is
begin
return To_Ada (SI.Current_Handler (SI.Interrupt_ID (Interrupt)));
end Current_Handler;
--------------------
-- Detach_Handler --
--------------------
procedure Detach_Handler (Interrupt : Interrupt_ID) is
begin
SI.Detach_Handler (SI.Interrupt_ID (Interrupt), False);
end Detach_Handler;
----------------------
-- Exchange_Handler --
----------------------
procedure Exchange_Handler
(Old_Handler : out Parameterless_Handler;
New_Handler : Parameterless_Handler;
Interrupt : Interrupt_ID)
is
H : SI.Parameterless_Handler;
begin
SI.Exchange_Handler
(H, To_System (New_Handler),
SI.Interrupt_ID (Interrupt), False);
Old_Handler := To_Ada (H);
end Exchange_Handler;
-------------
-- Get_CPU --
-------------
function Get_CPU
(Interrupt : Interrupt_ID) return System.Multiprocessors.CPU_Range
is
pragma Unreferenced (Interrupt);
begin
-- The underlying operating system does not indicate the processor on
-- which the handler for Interrupt is executed.
return System.Multiprocessors.Not_A_Specific_CPU;
end Get_CPU;
-----------------
-- Is_Attached --
-----------------
function Is_Attached (Interrupt : Interrupt_ID) return Boolean is
begin
return SI.Is_Handler_Attached (SI.Interrupt_ID (Interrupt));
end Is_Attached;
-----------------
-- Is_Reserved --
-----------------
function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
begin
return SI.Is_Reserved (SI.Interrupt_ID (Interrupt));
end Is_Reserved;
---------------
-- Reference --
---------------
function Reference (Interrupt : Interrupt_ID) return System.Address is
begin
return SI.Reference (SI.Interrupt_ID (Interrupt));
end Reference;
end Ada.Interrupts;