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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [errno.c] - Blame information for rev 826

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1 281 jeremybenn
/****************************************************************************
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 *                                                                          *
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 *                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 *
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 *                                                                          *
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 *                                E R R N O                                 *
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 *                                                                          *
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 *                          C Implementation File                           *
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 *                                                                          *
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 *           Copyright (C) 1992-2009, Free Software Foundation, Inc.        *
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 *                                                                          *
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 * GNAT 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 3,  or (at your option) any later ver- *
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 * sion.  GNAT 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.                                     *
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 *                                                                          *
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 * As a special exception under Section 7 of GPL version 3, you are granted *
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 * additional permissions described in the GCC Runtime Library Exception,   *
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 * version 3.1, as published by the Free Software Foundation.               *
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 *                                                                          *
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 * You should have received a copy of the GNU General Public License and    *
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 * a copy of the GCC Runtime Library Exception along with this program;     *
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 * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
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 * <http://www.gnu.org/licenses/>.                                          *
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 *                                                                          *
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 * GNAT was originally developed  by the GNAT team at  New York 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 file provides access to the C-language errno to the Ada interface
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   for POSIX.  It is not possible in general to import errno, even in
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   Ada compilers that allow (as GNAT does) the importation of variables,
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   as it may be defined using a macro.
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*/
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#define _REENTRANT
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#define _THREAD_SAFE
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#define _SGI_MP_SOURCE
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#ifdef MaRTE
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/* MaRTE OS provides its own implementation of errno related functionality. We
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   want to ensure the use of the MaRTE version for tasking programs (the MaRTE
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   library will not be linked if no tasking constructs are used), so we use the
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   weak symbols mechanism to use the MaRTE version whenever is available. */
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#pragma weak __get_errno
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#pragma weak __set_errno
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#endif
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#include <errno.h>
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int
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__get_errno(void)
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{
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  return errno;
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}
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void
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__set_errno(int err)
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{
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  errno = err;
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}

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