--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnarl/s-intman__vxworks.adb	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,93 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                 GNAT 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                                 --
+--                                                                          --
+--          Copyright (C) 1992-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- 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 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 is the VxWorks version of this package
+
+--  It is simpler than other versions because the Ada interrupt handling
+--  mechanisms are used for hardware interrupts rather than signals.
+
+package body System.Interrupt_Management is
+
+   use System.OS_Interface;
+
+   -----------------------
+   -- Local Subprograms --
+   -----------------------
+
+   function State (Int : Interrupt_ID) return Character;
+   pragma Import (C, State, "__gnat_get_interrupt_state");
+   --  Get interrupt state. Defined in init.c The input argument is the
+   --  hardware interrupt number, and the result is one of the following:
+
+   Runtime : constant Character := 'r';
+   Default : constant Character := 's';
+   --    'n'   this interrupt not set by any Interrupt_State pragma
+   --    'u'   Interrupt_State pragma set state to User
+   --    'r'   Interrupt_State pragma set state to Runtime
+   --    's'   Interrupt_State pragma set state to System (use "default"
+   --           system handler)
+
+   ----------------
+   -- Initialize --
+   ----------------
+
+   Initialized : Boolean := False;
+   --  Set to True once Initialize is called, further calls have no effect
+
+   procedure Initialize is
+
+   begin
+      if Initialized then
+         return;
+      end if;
+
+      Initialized := True;
+
+      --  Change this if you want to use another signal for task abort.
+      --  SIGTERM might be a good one.
+
+      Abort_Task_Interrupt := SIGABRT;
+
+      --  Initialize hardware interrupt handling
+
+      pragma Assert (Reserve = (Interrupt_ID'Range => False));
+
+      --  Check all interrupts for state that requires keeping them reserved
+
+      for J in Interrupt_ID'Range loop
+         if State (J) = Default or else State (J) = Runtime then
+            Reserve (J) := True;
+         end if;
+      end loop;
+
+   end Initialize;
+
+end System.Interrupt_Management;