67 lines
3.1 KiB
C
67 lines
3.1 KiB
C
/****************************************************************************
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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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