1------------------------------------------------------------------------------
2--                                                                          --
3--                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
4--                                                                          --
5--     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   --
6--                                                                          --
7--                                  S p e c                                 --
8--                                                                          --
9--                        Copyright (C) 2016-2019, AdaCore                  --
10--                                                                          --
11-- GNARL is free software; you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNARL was developed by the GNARL team at Florida State University.       --
28-- Extensive contributions were provided by Ada Core Technologies, Inc.     --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  This package provides users with the ability to use a custom routine for
33--  connecting hardware interrupts for VxWorks environments that support the
34--  capability to handle them. The custom routine must have the same profile
35--  as the VxWorks intConnect() routine.
36
37with System;
38
39package Interfaces.VxWorks.Int_Connection is
40
41   type Interrupt_Connector is access function
42     (Vector    : Interrupt_Vector;
43      Handler   : VOIDFUNCPTR;
44      Parameter : System.Address := System.Null_Address) return STATUS;
45   pragma Convention (C, Interrupt_Connector);
46   --  Convention C for compatibility with intConnect(). User alternatives are
47   --  likely to be imports of C routines anyway.
48
49   procedure Connect (Connector : Interrupt_Connector);
50   --  Set user-defined interrupt connection routine. Must precede calls to
51   --  Ada.Interrupts.Attach_Handler, or the default connector from
52   --  System.OS_Interface (or Interfaces.VxWorks for Ravenscar Cert) will be
53   --  used. Can be called multiple times to change the connection routine for
54   --  subsequent calls to Attach_Handler.
55
56end Interfaces.VxWorks.Int_Connection;
57