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