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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . I N T E R R U P T S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2010, 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. --
-- --
------------------------------------------------------------------------------
-- This version is for systems that do not support interrupts (or signals)
package body System.Interrupts is
pragma Warnings (Off); -- kill warnings on unreferenced formals
use System.Tasking;
-----------------------
-- Local Subprograms --
-----------------------
procedure Unimplemented;
-- This procedure raises a Program_Error with an appropriate message
-- indicating that an unimplemented feature has been used.
--------------------
-- Attach_Handler --
--------------------
procedure Attach_Handler
(New_Handler : Parameterless_Handler;
Interrupt : Interrupt_ID;
Static : Boolean := False)
is
begin
Unimplemented;
end Attach_Handler;
-----------------------------
-- Bind_Interrupt_To_Entry --
-----------------------------
procedure Bind_Interrupt_To_Entry
(T : Task_Id;
E : Task_Entry_Index;
Int_Ref : System.Address)
is
begin
Unimplemented;
end Bind_Interrupt_To_Entry;
---------------------
-- Block_Interrupt --
---------------------
procedure Block_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Block_Interrupt;
---------------------
-- Current_Handler --
---------------------
function Current_Handler
(Interrupt : Interrupt_ID) return Parameterless_Handler
is
begin
Unimplemented;
return null;
end Current_Handler;
--------------------
-- Detach_Handler --
--------------------
procedure Detach_Handler
(Interrupt : Interrupt_ID;
Static : Boolean := False)
is
begin
Unimplemented;
end Detach_Handler;
------------------------------
-- Detach_Interrupt_Entries --
------------------------------
procedure Detach_Interrupt_Entries (T : Task_Id) is
begin
Unimplemented;
end Detach_Interrupt_Entries;
----------------------
-- Exchange_Handler --
----------------------
procedure Exchange_Handler
(Old_Handler : out Parameterless_Handler;
New_Handler : Parameterless_Handler;
Interrupt : Interrupt_ID;
Static : Boolean := False)
is
begin
Old_Handler := null;
Unimplemented;
end Exchange_Handler;
--------------
-- Finalize --
--------------
procedure Finalize (Object : in out Static_Interrupt_Protection) is
begin
Unimplemented;
end Finalize;
-------------------------------------
-- Has_Interrupt_Or_Attach_Handler --
-------------------------------------
function Has_Interrupt_Or_Attach_Handler
(Object : access Dynamic_Interrupt_Protection)
return Boolean
is
pragma Warnings (Off, Object);
begin
Unimplemented;
return True;
end Has_Interrupt_Or_Attach_Handler;
function Has_Interrupt_Or_Attach_Handler
(Object : access Static_Interrupt_Protection)
return Boolean
is
pragma Warnings (Off, Object);
begin
Unimplemented;
return True;
end Has_Interrupt_Or_Attach_Handler;
----------------------
-- Ignore_Interrupt --
----------------------
procedure Ignore_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Ignore_Interrupt;
----------------------
-- Install_Handlers --
----------------------
procedure Install_Handlers
(Object : access Static_Interrupt_Protection;
New_Handlers : New_Handler_Array)
is
begin
Unimplemented;
end Install_Handlers;
---------------------------------
-- Install_Restricted_Handlers --
---------------------------------
procedure Install_Restricted_Handlers (Handlers : New_Handler_Array) is
begin
Unimplemented;
end Install_Restricted_Handlers;
----------------
-- Is_Blocked --
----------------
function Is_Blocked (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Blocked;
-----------------------
-- Is_Entry_Attached --
-----------------------
function Is_Entry_Attached (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Entry_Attached;
-------------------------
-- Is_Handler_Attached --
-------------------------
function Is_Handler_Attached (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Handler_Attached;
----------------
-- Is_Ignored --
----------------
function Is_Ignored (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Ignored;
-----------------
-- Is_Reserved --
-----------------
function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Reserved;
---------------
-- Reference --
---------------
function Reference (Interrupt : Interrupt_ID) return System.Address is
begin
Unimplemented;
return Interrupt'Address;
end Reference;
--------------------------------
-- Register_Interrupt_Handler --
--------------------------------
procedure Register_Interrupt_Handler
(Handler_Addr : System.Address)
is
begin
Unimplemented;
end Register_Interrupt_Handler;
-----------------------
-- Unblock_Interrupt --
-----------------------
procedure Unblock_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Unblock_Interrupt;
------------------
-- Unblocked_By --
------------------
function Unblocked_By (Interrupt : Interrupt_ID)
return System.Tasking.Task_Id is
begin
Unimplemented;
return null;
end Unblocked_By;
------------------------
-- Unignore_Interrupt --
------------------------
procedure Unignore_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Unignore_Interrupt;
-------------------
-- Unimplemented; --
-------------------
procedure Unimplemented is
begin
raise Program_Error with "interrupts/signals not implemented";
end Unimplemented;
end System.Interrupts;
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