61 lines
3.3 KiB
Ada
61 lines
3.3 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNU ADA 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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-- $Revision: 1.1 $
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-- --
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-- Copyright (C) 1992-2000, 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 2, or (at your option) any later ver- --
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-- sion. GNARL 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. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNARL; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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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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-- NT, OS/2, HPUX/DCE and SCO currently use this file
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with System.Soft_Links;
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-- used for Check_Abort_Status
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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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