File : a-einuoc.adb
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . E X C E P T I O N S . I S _ N U L L _ O C C U R R E N C E --
-- --
-- B o d y --
-- --
-- Copyright (C) 2000-2009, Free Software Foundation, Inc. --
-- --
-- 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. --
-- --
-- --
-- --
-- --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
---------------------------------------
-- Ada.Exceptions.Is_Null_Occurrence --
---------------------------------------
function Ada.Exceptions.Is_Null_Occurrence
(X : Exception_Occurrence) return Boolean
is
begin
-- The null exception is uniquely identified by the fact that the Id value
-- is null. No other exception occurrence can have a null Id.
if X.Id = Null_Id then
return True;
else
return False;
end if;
end Ada.Exceptions.Is_Null_Occurrence;