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(* Break.def provides a Logitech compatible Break handler 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/>. *)
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.
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