/usr/include/xenomai/posix/errno.h is in libxenomai-dev 2.6.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /*
* Copyright (C) 2006 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _XENO_ERRNO_H
#define _XENO_ERRNO_H
#if defined(__KERNEL__) || defined(__XENO_SIM__)
#include <nucleus/xenomai.h>
#ifdef __KERNEL__
#include <linux/errno.h>
#include <linux/unistd.h> /* conflicting declaration of errno. */
#else /* __XENO_SIM__ */
#include <posix_overrides.h>
#endif /* __KERNEL__ */
/* errno values pasted from Linux asm/errno.h and bits/errno.h (ENOTSUP). */
#define ENOTSUP EOPNOTSUPP
#define ETIMEDOUT 110 /* Connection timed out */
#define errno (*xnthread_get_errno_location(xnpod_current_thread()))
#ifdef __cplusplus
extern "C" {
#endif
int *xnthread_get_errno_location(xnthread_t *thread);
#ifdef __cplusplus
}
#endif
#else /* !(__KERNEL__ || __XENO_SIM__) */
#pragma GCC system_header
#include_next <errno.h>
#endif /* !(__KERNEL__ || __XENO_SIM__) */
#endif /* _XENO_ERRNO_H */
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