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include/posix/errno.h

00001 /*
00002  * Copyright (C) 2006 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or (at your option) any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017  */
00018 
00019 #ifndef _XENO_ERRNO_H
00020 #define _XENO_ERRNO_H
00021 
00022 #if defined(__KERNEL__) || defined(__XENO_SIM__)
00023 
00024 #include <nucleus/xenomai.h>
00025 
00026 #ifdef __KERNEL__
00027 #include <linux/errno.h>
00028 #include <linux/unistd.h>         /* conflicting declaration of errno. */
00029 #else /* __XENO_SIM__ */
00030 #include <posix_overrides.h>
00031 #endif /* __KERNEL__ */
00032 
00033 /* errno values pasted from Linux asm/errno.h and bits/errno.h (ENOTSUP). */
00034 #define ENOTSUP         EOPNOTSUPP
00035 #define ETIMEDOUT       110     /* Connection timed out */
00036 
00037 #define errno (*xnthread_get_errno_location(xnpod_current_thread()))
00038 
00039 #ifdef __cplusplus
00040 extern "C" {
00041 #endif
00042 
00043 int *xnthread_get_errno_location(xnthread_t *thread);
00044 
00045 #ifdef __cplusplus
00046 }
00047 #endif
00048 
00049 #else /* !(__KERNEL__ || __XENO_SIM__) */
00050 
00051 #include_next <errno.h>
00052 
00053 #endif /* !(__KERNEL__ || __XENO_SIM__) */
00054 
00055 #endif /* _XENO_ERRNO_H */

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