Xenomai API  2.6.5
errno.h
1 /*
2  * Copyright (C) 2006 Gilles Chanteperdrix <[email protected]>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17  */
18 
19 #ifndef _XENO_ERRNO_H
20 #define _XENO_ERRNO_H
21 
22 #if defined(__KERNEL__) || defined(__XENO_SIM__)
23 
24 #include <nucleus/xenomai.h>
25 
26 #ifdef __KERNEL__
27 #include <linux/errno.h>
28 #include <linux/unistd.h> /* conflicting declaration of errno. */
29 #else /* __XENO_SIM__ */
30 #include <posix_overrides.h>
31 #endif /* __KERNEL__ */
32 
33 /* errno values pasted from Linux asm/errno.h and bits/errno.h (ENOTSUP). */
34 #define ENOTSUP EOPNOTSUPP
35 #define ETIMEDOUT 110 /* Connection timed out */
36 
37 #define errno (*xnthread_get_errno_location(xnpod_current_thread()))
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 int *xnthread_get_errno_location(xnthread_t *thread);
44 
45 #ifdef __cplusplus
46 }
47 #endif
48 
49 #else /* !(__KERNEL__ || __XENO_SIM__) */
50 
51 #pragma GCC system_header
52 
53 #include_next <errno.h>
54 
55 #endif /* !(__KERNEL__ || __XENO_SIM__) */
56 
57 #endif /* _XENO_ERRNO_H */