------------------------------------------------------------------------------ -- -- -- S Y S T E M . C . E R R N O -- -- -- -- S p e c -- -- -- -- Copyright (C) 2010-2011, AdaCore -- -- -- -- 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 -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ pragma Restrictions (No_Elaboration_Code); package System.C.Errno is pragma Preelaborate; function Get_Errno_Addr return Address; pragma Export (C, Get_Errno_Addr, "__errno"); -- Return the address of the (per thread) errno variable. -- Note that this is not used by the runtime (only referenced by libm), -- and therefore the current implementation may not be thread safe. end System.C.Errno;