gcc/m2/gm2-libs-log/Break.def

   1 (* Break.def provides a Logitech compatible Break handler module.
   2
   3 Copyright (C) 2004-2024 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 DEFINITION MODULE Break ;
  28
  29
  30 EXPORT QUALIFIED EnableBreak, DisableBreak, InstallBreak, UnInstallBreak ;
  31
  32
  33 (*
  34    EnableBreak - enable the current break handler.
  35 *)
  36
  37 PROCEDURE EnableBreak ;
  38
  39
  40 (*
  41    DisableBreak - disable the current break handler (and all
  42                   installed handlers).
  43 *)
  44
  45 PROCEDURE DisableBreak ;
  46
  47
  48 (*
  49    InstallBreak - installs a procedure, p, to be invoked when
  50                   a ctrl-c is caught. Any number of these
  51                   procedures may be stacked. Only the top
  52                   procedure is run when ctrl-c is caught.
  53 *)
  54
  55 PROCEDURE InstallBreak (p: PROC) ;
  56
  57
  58 (*
  59    UnInstallBreak - pops the break handler stack.
  60 *)
  61
  62 PROCEDURE UnInstallBreak ;
  63
  64
  65 END Break.