+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- 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 --
--- --
--- B o d y --
--- --
--- $Revision: 1.1 $
--- --
--- Copyright (C) 1991-2001, Florida State University --
--- --
--- 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). --
--- --
-------------------------------------------------------------------------------
-
--- This is a SGI Pthread version of this package.
-
--- PLEASE DO NOT add any dependences on other packages.
--- This package is designed to work with or without tasking support.
-
--- Make a careful study of all signals available under the OS,
--- to see which need to be reserved, kept always unmasked,
--- or kept always unmasked.
--- Be on the lookout for special signals that
--- may be used by the thread library.
-
-with Interfaces.C;
--- used for int
-
-with System.OS_Interface;
--- used for various Constants, Signal and types
-
-package body System.Interrupt_Management is
-
- use System.OS_Interface;
-
- type Interrupt_List is array (Interrupt_ID range <>) of Interrupt_ID;
- Exception_Interrupts : constant Interrupt_List :=
- (SIGTSTP, SIGILL, SIGTRAP, SIGEMT, SIGFPE, SIGBUS, SIGSTOP, SIGKILL,
- SIGSEGV, SIGSYS, SIGXCPU, SIGXFSZ, SIGPROF, SIGPTINTR, SIGPTRESCHED,
- SIGABRT, SIGPIPE);
-
- ---------------------------
- -- Initialize_Interrupts --
- ---------------------------
-
- -- Nothing needs to be done on this platform.
-
- procedure Initialize_Interrupts is
- begin
- null;
- end Initialize_Interrupts;
-
- Unreserve_All_Interrupts : Interfaces.C.int;
- pragma Import
- (C, Unreserve_All_Interrupts, "__gl_unreserve_all_interrupts");
-
- use type Interfaces.C.int;
-
-begin
- Abort_Task_Interrupt := SIGABRT;
- -- Change this if you want to use another signal for task abort.
- -- SIGTERM might be a good one.
-
- for I in Exception_Interrupts'Range loop
- Keep_Unmasked (Exception_Interrupts (I)) := True;
- end loop;
-
- -- By keeping SIGINT unmasked, allow the user to do a Ctrl-C, but in the
- -- same time, disable the ability of handling this signal via
- -- Ada.Interrupts.
- -- The pragma Unreserve_All_Interrupts let the user the ability to
- -- change this behavior.
-
- if Unreserve_All_Interrupts = 0 then
- Keep_Unmasked (SIGINT) := True;
- end if;
-
- Keep_Unmasked (Abort_Task_Interrupt) := True;
-
- Reserve := Keep_Unmasked or Keep_Masked;
- Reserve (0) := True;
-end System.Interrupt_Management;
projects / msp430-gcc.git / blobdiff