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-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME COMPONENTS --
--- --
--- G N A T . C T R L _ C --
--- --
--- S p e c --
--- --
--- Copyright (C) 2002-2007, 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 2, 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- 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;