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Diffstat (limited to 'gcc-4.8.3/gcc/ada/g-ctrl_c.ads')
-rw-r--r-- | gcc-4.8.3/gcc/ada/g-ctrl_c.ads | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/g-ctrl_c.ads b/gcc-4.8.3/gcc/ada/g-ctrl_c.ads new file mode 100644 index 000000000..0f068c28a --- /dev/null +++ b/gcc-4.8.3/gcc/ada/g-ctrl_c.ads @@ -0,0 +1,59 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |