| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNU ADA 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) 1995-2003, Ada Core Technologies -- |
| -- -- |
| -- 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. -- |
| -- Extensive contributions were provided by Ada Core Technologies, Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This is an OS/2 version of this package. |
| |
| -- This version is a stub, for systems that |
| -- do not support interrupts (or signals). |
| |
| with Ada.Exceptions; |
| |
| 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; |
| |
| ---------------- |
| -- 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 |
| Ada.Exceptions.Raise_Exception |
| (Program_Error'Identity, "interrupts/signals not implemented"); |
| raise Program_Error; |
| end Unimplemented; |
| |
| end System.Interrupts; |
