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(* ErrorCode.mod provides a Logitech compatible module.
Copyright (C) 2004-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
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/>. *)
IMPLEMENTATION MODULE ErrorCode ;
FROM M2RTS IMPORT ExitOnHalt ;
VAR
exitCode: INTEGER ;
(*
SetErrorCode - sets the exit value which will be used if
the application terminates normally.
*)
PROCEDURE SetErrorCode (value: INTEGER) ;
BEGIN
exitCode := value ;
ExitOnHalt(value)
END SetErrorCode ;
(*
GetErrorCode - returns the current value to be used upon
application termination.
*)
PROCEDURE GetErrorCode (VAR value: INTEGER) ;
BEGIN
value := exitCode
END GetErrorCode ;
(*
ExitToOS - terminate the application and exit returning
the last value set by SetErrorCode to the OS.
*)
PROCEDURE ExitToOS ;
BEGIN
HALT
END ExitToOS ;
BEGIN
exitCode := 0
END ErrorCode.
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