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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- G N A T . C T R L _ C --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2002-2010, AdaCore --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package may be used to intercept the interruption of a running
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-- program by the operator typing Control-C, without having to use an Ada
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-- interrupt handler protected object.
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-- This package is currently implemented under Windows and Unix platforms
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-- Note concerning Unix systems:
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-- The behavior of this package when using tasking depends on the interaction
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-- between sigaction() and the thread library.
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package GNAT.Ctrl_C is
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type Handler_Type is access procedure;
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-- Any parameterless library level procedure can be used as a handler.
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-- Handler_Type should not propagate exceptions.
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procedure Install_Handler (Handler : Handler_Type);
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-- Set up Handler to be called if the operator hits Ctrl-C, instead of the
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-- standard Control-C handler.
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procedure Uninstall_Handler;
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-- Reinstall the standard Control-C handler.
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-- If Install_Handler has never been called, this procedure has no effect.
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private
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pragma Import (C, Uninstall_Handler, "__gnat_uninstall_int_handler");
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end GNAT.Ctrl_C;
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