gcc/m2/gm2-libs-log/ErrorCode.mod

   1 (* ErrorCode.mod provides a Logitech compatible module.
   2
   3 Copyright (C) 2004-2023 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 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 IMPLEMENTATION MODULE ErrorCode ;
  28
  29 FROM M2RTS IMPORT ExitOnHalt ;
  30
  31 VAR
  32    exitCode: INTEGER ;
  33
  34
  35 (*
  36    SetErrorCode - sets the exit value which will be used if
  37                   the application terminates normally.
  38 *)
  39
  40 PROCEDURE SetErrorCode (value: INTEGER) ;
  41 BEGIN
  42    exitCode := value ;
  43    ExitOnHalt(value)
  44 END SetErrorCode ;
  45
  46
  47 (*
  48    GetErrorCode - returns the current value to be used upon
  49                   application termination.
  50 *)
  51
  52 PROCEDURE GetErrorCode (VAR value: INTEGER) ;
  53 BEGIN
  54    value := exitCode
  55 END GetErrorCode ;
  56
  57
  58 (*
  59    ExitToOS - terminate the application and exit returning
  60               the last value set by SetErrorCode to the OS.
  61 *)
  62
  63 PROCEDURE ExitToOS ;
  64 BEGIN
  65    HALT
  66 END ExitToOS ;
  67
  68
  69 BEGIN
  70    exitCode := 0
  71 END ErrorCode.