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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- A D A . E X C E P T I O N S . P O L L --
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-- (version supporting asynchronous abort test) --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2010, Free Software Foundation, Inc. --
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-- --
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-- GNARL 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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-- GNARL was developed by the GNARL team at Florida State 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 version is for targets that do not support per-thread asynchronous
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-- signals. On such targets, we require compilation with the -gnatP switch
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-- that activates periodic polling. Then in the body of the polling routine
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-- we test for asynchronous abort.
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-- Windows, HPUX 10 and VMS currently use this file
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pragma Warnings (Off);
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-- Allow withing of non-Preelaborated units in Ada 2005 mode where this
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-- package will be categorized as Preelaborate. See AI-362 for details.
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-- It is safe in the context of the run-time to violate the rules!
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with System.Soft_Links;
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pragma Warnings (On);
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separate (Ada.Exceptions)
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----------
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-- Poll --
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----------
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procedure Poll is
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begin
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-- Test for asynchronous abort on each poll
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if System.Soft_Links.Check_Abort_Status.all /= 0 then
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raise Standard'Abort_Signal;
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end if;
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end Poll;
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