--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- I N T E R F A C E S . V X W O R K S . I N T _ C O N N E C T I O N --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2016, AdaCore
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+package body Interfaces.VxWorks.Int_Connection is
+
+ Connection_Routine : Interrupt_Connector;
+ pragma Import (C, Connection_Routine, "__gnat_user_int_connect");
+ -- Declared in System.Interrupts. Defaults to the standard OS connector in
+ -- System.OS_Interface (or Interfaces.VxWorks for restricted runtimes).
+
+ -------------
+ -- Connect --
+ -------------
+
+ procedure Connect (Connector : Interrupt_Connector) is
+ begin
+ Connection_Routine := Connector;
+ end Connect;
+
+end Interfaces.VxWorks.Int_Connection;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- I N T E R F A C E S . V X W O R K S . I N T _ C O N N E C T I O N --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2016, AdaCore
+-- --
+-- 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 package provides users with the ability to use a custom routine for
+-- connecting hardware interrupts for VxWorks environments that support the
+-- capability to handle them. The custom routine must have the same profile
+-- as the VxWorks intConnect() routine.
+
+with System;
+
+package Interfaces.VxWorks.Int_Connection is
+
+ type Interrupt_Connector is access function
+ (Vector : Interrupt_Vector;
+ Handler : VOIDFUNCPTR;
+ Parameter : System.Address := System.Null_Address) return STATUS;
+ pragma Convention (C, Interrupt_Connector);
+ -- Convention C for compatibility with intConnect(). User alternatives are
+ -- likely to be imports of C routines anyway.
+
+ procedure Connect (Connector : Interrupt_Connector);
+ -- Set user-defined interrupt connection routine. Must precede calls to
+ -- Ada.Interrupts.Attach_Handler, or the default connector from
+ -- System.OS_Interface (or Interfaces.VxWorks for Ravenscar Cert) will be
+ -- used. Can be called multiple times to change the connection routine for
+ -- subsequent calls to Attach_Handler.
+
+end Interfaces.VxWorks.Int_Connection;