------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- -- -- -- A D A . E X C E P T I O N S . P O L L -- -- (version supporting asynchronous abort test) -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2018, Free Software Foundation, Inc. -- -- -- -- GNARL 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 -- -- . -- -- -- -- GNARL was developed by the GNARL team at Florida State University. -- -- Extensive contributions were provided by Ada Core Technologies, Inc. -- -- -- ------------------------------------------------------------------------------ -- This version is for targets that do not support per-thread asynchronous -- signals. On such targets, we require compilation with the -gnatP switch -- that activates periodic polling. Then in the body of the polling routine -- we test for asynchronous abort. -- Windows and HPUX 10 currently use this file pragma Warnings (Off); -- Allow withing of non-Preelaborated units in Ada 2005 mode where this -- package will be categorized as Preelaborate. See AI-362 for details. -- It is safe in the context of the run-time to violate the rules. with System.Soft_Links; pragma Warnings (On); separate (Ada.Exceptions) ---------- -- Poll -- ---------- procedure Poll is begin -- Test for asynchronous abort on each poll if System.Soft_Links.Check_Abort_Status.all /= 0 then raise Standard'Abort_Signal; end if; end Poll;