1 /****************************************************************************
2 * *
3 * GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS *
4 * *
5 * E R R N O *
6 * *
7 * C Implementation File *
8 * *
9 * Copyright (C) 1992-2003 Free Software Foundation, Inc. *
10 * *
11 * GNAT is free software; you can redistribute it and/or modify it under *
12 * terms of the GNU General Public License as published by the Free Soft- *
13 * ware Foundation; either version 2, or (at your option) any later ver- *
14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
17 * for more details. You should have received a copy of the GNU General *
18 * Public License distributed with GNAT; see file COPYING. If not, write *
19 * to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, *
20 * MA 02111-1307, USA. *
21 * *
22 * As a special exception, if you link this file with other files to *
23 * produce an executable, this file does not by itself cause the resulting *
24 * executable to be covered by the GNU General Public License. This except- *
25 * ion does not however invalidate any other reasons why the executable *
26 * file might be covered by the GNU Public License. *
27 * *
28 * GNAT was originally developed by the GNAT team at New York University. *
29 * Extensive contributions were provided by Ada Core Technologies Inc. *
30 * *
31 ****************************************************************************/
32
33 /* This file provides access to the C-language errno to the Ada interface
34 for POSIX. It is not possible in general to import errno, even in
35 Ada compilers that allow (as GNAT does) the importation of variables,
36 as it may be defined using a macro.
37 */
38
39
40 #define _REENTRANT
41 #define _THREAD_SAFE
42
43 #include <errno.h>
44 int
__get_errno(void)45 __get_errno(void)
46 {
47 return errno;
48 }
49
50 void
__set_errno(int err)51 __set_errno(int err)
52 {
53 errno = err;
54 }
55