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diff --git a/gcc/ada/5gintman.adb b/gcc/ada/5gintman.adb
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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          --
---                                                                          --
---                                  B o d y                                 --
---                                                                          --
---                             $Revision: 1.1.16.1 $
---                                                                          --
---            Copyright (C) 1997-1998, 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 an Irix (old pthread library) 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 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 :=
-     (SIGILL,
-      SIGABRT,
-      SIGFPE,
-      SIGSEGV,
-      SIGBUS);
-
-   Reserved_Interrupts : constant Interrupt_List :=
-     (0,
-      SIGTRAP,
-      SIGKILL,
-      SIGSYS,
-      SIGALRM,
-      SIGSTOP,
-      SIGPTINTR,
-      SIGPTRESCHED);
-
-   Abort_Signal : constant := 48;
-   --
-   --  Serious MOJO:  The SGI pthreads library only supports the
-   --                 unnamed signal number 48 for pthread_kill!
-   --
-
-   ----------------------
-   -- Notify_Exception --
-   ----------------------
-
-   --  This function identifies the Ada exception to be raised using the
-   --  information when the system received a synchronous signal.
-   --  Since this function is machine and OS dependent, different code has to
-   --  be provided for different target.
-   --  On SGI, the signal handling is done is a-init.c, even when tasking is
-   --  involved.
-
-   ---------------------------
-   -- Initialize_Interrupts --
-   ---------------------------
-
-   --  Nothing needs to be done on this platform.
-
-   procedure Initialize_Interrupts is
-   begin
-      null;
-   end Initialize_Interrupts;
-
-begin
-   Abort_Task_Interrupt := Abort_Signal;
-
-   for I in Reserved_Interrupts'Range loop
-      Keep_Unmasked (Reserved_Interrupts (I)) := True;
-      Reserve (Reserved_Interrupts (I)) := True;
-   end loop;
-
-   for I in Exception_Interrupts'Range loop
-      Keep_Unmasked (Exception_Interrupts (I)) := True;
-      Reserve (Reserved_Interrupts (I)) := True;
-   end loop;
-
-end System.Interrupt_Management;