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annotate packages/error/current/include/errno.h @ 3245:a4db689e3f65

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* src/can_lpc2xxx.c: Changed return code for message filter configuration to -ENOSPC if no filters are available to match documentation change.
author sergeig
date Thu, 06 Jun 2013 20:31:25 +0000
parents 74dbf4c3f2e1
children
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1 #ifndef CYGONCE_ERROR_ERRNO_H
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2 #define CYGONCE_ERROR_ERRNO_H
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3 /*========================================================================
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4 //
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5 // errno.h
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6 //
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7 // ISO C errno variable and constants
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8 //
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9 //========================================================================
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10 // ####ECOSGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of eCos, the Embedded Configurable Operating System.
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later
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18 // version.
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19 //
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT
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21 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 // for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License
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26 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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27 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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28 //
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29 // As a special exception, if other files instantiate templates or use
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30 // macros or inline functions from this file, or you compile this file
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31 // and link it with other works to produce a work based on this file,
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32 // this file does not by itself cause the resulting work to be covered by
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33 // the GNU General Public License. However the source code for this file
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34 // must still be made available in accordance with section (3) of the GNU
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35 // General Public License v2.
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36 //
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37 // This exception does not invalidate any other reasons why a work based
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38 // on this file might be covered by the GNU General Public License.
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39 // -------------------------------------------
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40 // ####ECOSGPLCOPYRIGHTEND####
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41 //========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): jlarmour
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45 // Contributors: jlarmour
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46 // Date: 2000-04-14
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47 // Purpose: This file provides the errno variable (or more strictly
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48 // expression) required by ISO C and POSIX 1003.1
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49 // Description:
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50 // Usage: Do not include this file directly - use #include <errno.h>
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //======================================================================*/
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55
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56 /* CONFIGURATION */
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57
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58 #include <pkgconf/error.h> /* Configuration header */
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59
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60 #ifdef CYGPKG_ERROR_ERRNO
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61
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62 /* INCLUDES */
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64 #include <cyg/error/codes.h> /* for Cyg_ErrNo */
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65
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66 #ifdef __cplusplus
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67 extern "C" {
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68 #endif
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69
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70 /* FUNCTION PROTOTYPES */
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73 #ifdef CYGSEM_ERROR_PER_THREAD_ERRNO
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75 extern Cyg_ErrNo *
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76 cyg_error_get_errno_p( void ) __attribute__((const));
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78 #endif /* ifdef CYGSEM_ERROR_PER_THREAD_ERRNO */
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81 /* VARIABLES */
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82
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83 #ifdef CYGSEM_ERROR_PER_THREAD_ERRNO
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84 # define errno (*cyg_error_get_errno_p()) /* Per-thread error status */
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85 #else
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86 extern Cyg_ErrNo errno; /* Global error status */
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87 #endif /* ifdef CYGSEM_ERROR_PER_THREAD_ERRNO */
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88
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89 #ifdef __cplusplus
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90 } /* extern "C" */
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91 #endif
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93 #endif /* ifdef CYGPKG_ERROR_ERRNO */
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95 #endif /* CYGONCE_ERROR_ERRNO_H multiple inclusion protection */
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97 /* EOF errno.h */