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-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME COMPONENTS --
--- --
--- G N A T . C T R L _ C --
--- --
--- S p e c --
--- --
--- Copyright (C) 2002-2010, AdaCore --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 3, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. --
--- --
--- As a special exception 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/>. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This package may be used to intercept the interruption of a running
--- program by the operator typing Control-C, without having to use an Ada
--- interrupt handler protected object.
-
--- This package is currently implemented under Windows and Unix platforms
-
--- Note concerning Unix systems:
-
--- The behavior of this package when using tasking depends on the interaction
--- between sigaction() and the thread library.
-
-package GNAT.Ctrl_C is
-
- type Handler_Type is access procedure;
- -- Any parameterless library level procedure can be used as a handler.
- -- Handler_Type should not propagate exceptions.
-
- procedure Install_Handler (Handler : Handler_Type);
- -- Set up Handler to be called if the operator hits Ctrl-C, instead of the
- -- standard Control-C handler.
-
- procedure Uninstall_Handler;
- -- Reinstall the standard Control-C handler.
- -- If Install_Handler has never been called, this procedure has no effect.
-
-private
- pragma Import (C, Uninstall_Handler, "__gnat_uninstall_int_handler");
-end GNAT.Ctrl_C;