(* Break.def provides a Logitech compatible Break handler module.

Copyright (C) 2004-2023 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/>.  *)

DEFINITION MODULE Break ;


EXPORT QUALIFIED EnableBreak, DisableBreak, InstallBreak, UnInstallBreak ;


(*
   EnableBreak - enable the current break handler.
*)

PROCEDURE EnableBreak ;


(*
   DisableBreak - disable the current break handler (and all
                  installed handlers).
*)

PROCEDURE DisableBreak ;


(*
   InstallBreak - installs a procedure, p, to be invoked when
                  a ctrl-c is caught. Any number of these
                  procedures may be stacked. Only the top
                  procedure is run when ctrl-c is caught.
*)

PROCEDURE InstallBreak (p: PROC) ;


(*
   UnInstallBreak - pops the break handler stack.
*)

PROCEDURE UnInstallBreak ;


END Break.