1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /** |
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4 | * @file |
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5 | * |
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6 | * @brief This header file provides the Object Services API. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) |
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11 | * Copyright (C) 1988, 2009 On-Line Applications Research Corporation (OAR) |
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12 | * |
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13 | * Redistribution and use in source and binary forms, with or without |
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14 | * modification, are permitted provided that the following conditions |
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15 | * are met: |
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16 | * 1. Redistributions of source code must retain the above copyright |
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17 | * notice, this list of conditions and the following disclaimer. |
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18 | * 2. Redistributions in binary form must reproduce the above copyright |
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19 | * notice, this list of conditions and the following disclaimer in the |
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20 | * documentation and/or other materials provided with the distribution. |
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21 | * |
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22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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32 | * POSSIBILITY OF SUCH DAMAGE. |
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33 | */ |
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34 | |
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35 | /* |
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36 | * This file is part of the RTEMS quality process and was automatically |
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37 | * generated. If you find something that needs to be fixed or |
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38 | * worded better please post a report or patch to an RTEMS mailing list |
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39 | * or raise a bug report: |
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40 | * |
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41 | * https://www.rtems.org/bugs.html |
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42 | * |
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43 | * For information on updating and regenerating please refer to the How-To |
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44 | * section in the Software Requirements Engineering chapter of the |
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45 | * RTEMS Software Engineering manual. The manual is provided as a part of |
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46 | * a release. For development sources please refer to the online |
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47 | * documentation at: |
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48 | * |
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49 | * https://docs.rtems.org |
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50 | */ |
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51 | |
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52 | /* Generated from spec:/rtems/object/if/header */ |
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53 | |
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54 | #ifndef _RTEMS_RTEMS_OBJECT_H |
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55 | #define _RTEMS_RTEMS_OBJECT_H |
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56 | |
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57 | #include <stdbool.h> |
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58 | #include <stddef.h> |
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59 | #include <stdint.h> |
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60 | #include <rtems/rtems/status.h> |
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61 | #include <rtems/rtems/types.h> |
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62 | #include <rtems/score/object.h> |
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63 | |
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64 | #ifdef __cplusplus |
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65 | extern "C" { |
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66 | #endif |
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67 | |
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68 | /* Generated from spec:/rtems/object/if/group */ |
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69 | |
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70 | /** |
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71 | * @defgroup RTEMSAPIClassicObject Object Services |
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72 | * |
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73 | * @ingroup RTEMSAPIClassic |
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74 | * |
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75 | * @brief RTEMS provides a collection of services to assist in the management |
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76 | * and usage of the objects created and utilized via other managers. These |
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77 | * services assist in the manipulation of RTEMS objects independent of the |
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78 | * API used to create them. |
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79 | */ |
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80 | |
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81 | /* Generated from spec:/rtems/object/if/api-class-information */ |
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82 | |
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83 | /** |
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84 | * @ingroup RTEMSAPIClassicObject |
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85 | * |
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86 | * @brief This structure is used to return information to the application about |
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87 | * the objects configured for a specific API/Class combination. |
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88 | */ |
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89 | typedef struct { |
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90 | /** |
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91 | * @brief This member contains the minimum valid object identifier for this |
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92 | * class. |
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93 | */ |
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94 | rtems_id minimum_id; |
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95 | |
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96 | /** |
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97 | * @brief This member contains the maximum valid object identifier for this |
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98 | * class. |
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99 | */ |
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100 | rtems_id maximum_id; |
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101 | |
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102 | /** |
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103 | * @brief This member contains the maximum number of active objects configured |
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104 | * for this class. |
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105 | */ |
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106 | uint32_t maximum; |
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107 | |
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108 | /** |
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109 | * @brief This member is true, if this class is configured for automatic object |
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110 | * extension, otherwise it is false. |
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111 | */ |
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112 | bool auto_extend; |
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113 | |
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114 | /** |
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115 | * @brief This member contains the number of currently inactive objects of this |
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116 | * class. |
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117 | */ |
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118 | uint32_t unallocated; |
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119 | } rtems_object_api_class_information; |
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120 | |
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121 | /* Generated from spec:/rtems/object/if/id-final */ |
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122 | |
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123 | /** |
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124 | * @ingroup RTEMSAPIClassicObject |
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125 | * |
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126 | * @brief This constant represents the highest object identifier value. |
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127 | */ |
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128 | #define RTEMS_OBJECT_ID_FINAL OBJECTS_ID_FINAL |
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129 | |
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130 | /* Generated from spec:/rtems/object/if/id-final-index */ |
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131 | |
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132 | /** |
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133 | * @ingroup RTEMSAPIClassicObject |
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134 | * |
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135 | * @brief This constant represents the highest value for the index component of |
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136 | * an object identifier. |
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137 | */ |
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138 | #define RTEMS_OBJECT_ID_FINAL_INDEX OBJECTS_ID_FINAL_INDEX |
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139 | |
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140 | /* Generated from spec:/rtems/object/if/id-initial */ |
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141 | |
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142 | /** |
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143 | * @ingroup RTEMSAPIClassicObject |
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144 | * |
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145 | * @brief Builds the object identifier with the lowest index from the API, |
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146 | * class, and MPCI node components. |
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147 | * |
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148 | * This directive is strictly local and does not impact task scheduling. |
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149 | * |
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150 | * @param _api is the API of the object identifier to build. |
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151 | * |
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152 | * @param _class is the class of the object identifier to build. |
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153 | * |
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154 | * @param _node is the MPCI node of the object identifier to build. |
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155 | * |
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156 | * @return Returns the object identifier with the lowest index built from the |
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157 | * API, class, and MPCI node components. |
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158 | */ |
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159 | #define RTEMS_OBJECT_ID_INITIAL( _api, _class, _node ) \ |
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160 | OBJECTS_ID_INITIAL( _api, _class, _node ) |
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161 | |
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162 | /* Generated from spec:/rtems/object/if/id-initial-index */ |
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163 | |
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164 | /** |
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165 | * @ingroup RTEMSAPIClassicObject |
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166 | * |
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167 | * @brief This constant represents the lowest value for the index component of |
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168 | * an object identifier. |
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169 | */ |
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170 | #define RTEMS_OBJECT_ID_INITIAL_INDEX OBJECTS_ID_INITIAL_INDEX |
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171 | |
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172 | /* Generated from spec:/rtems/object/if/search-all-nodes */ |
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173 | |
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174 | /** |
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175 | * @ingroup RTEMSAPIClassicObject |
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176 | * |
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177 | * @brief This constant indicates that an object name to identifier search |
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178 | * should search through all MPCI nodes of the system. |
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179 | */ |
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180 | #define RTEMS_SEARCH_ALL_NODES OBJECTS_SEARCH_ALL_NODES |
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181 | |
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182 | /* Generated from spec:/rtems/object/if/search-local-node */ |
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183 | |
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184 | /** |
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185 | * @ingroup RTEMSAPIClassicObject |
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186 | * |
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187 | * @brief This constant indicates that an object name to identifier search |
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188 | * should search only the local MPCI node of the system. |
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189 | */ |
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190 | #define RTEMS_SEARCH_LOCAL_NODE OBJECTS_SEARCH_LOCAL_NODE |
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191 | |
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192 | /* Generated from spec:/rtems/object/if/search-other-nodes */ |
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193 | |
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194 | /** |
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195 | * @ingroup RTEMSAPIClassicObject |
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196 | * |
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197 | * @brief This constant indicates that an object name to identifier search |
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198 | * should search through all MPCI nodes of the system except the local node. |
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199 | */ |
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200 | #define RTEMS_SEARCH_OTHER_NODES OBJECTS_SEARCH_OTHER_NODES |
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201 | |
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202 | /* Generated from spec:/rtems/object/if/who-am-i */ |
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203 | |
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204 | /** |
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205 | * @ingroup RTEMSAPIClassicObject |
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206 | * |
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207 | * @brief This constant indicates that an object name to identifier search is |
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208 | * being asked for the identifier of the currently executing task. |
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209 | */ |
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210 | #define RTEMS_WHO_AM_I OBJECTS_WHO_AM_I |
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211 | |
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212 | /* Generated from spec:/rtems/object/if/build-id */ |
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213 | |
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214 | /** |
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215 | * @ingroup RTEMSAPIClassicObject |
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216 | * |
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217 | * @brief Builds the object identifier from the API, class, MPCI node, and |
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218 | * index components. |
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219 | * |
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220 | * This directive is strictly local and does not impact task scheduling. |
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221 | * |
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222 | * @param _api is the API of the object identifier to build. |
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223 | * |
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224 | * @param _class is the class of the object identifier to build. |
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225 | * |
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226 | * @param _node is the MPCI node of the object identifier to build. |
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227 | * |
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228 | * @param _index is the index of the object identifier to build. |
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229 | * |
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230 | * @return Returns the object identifier built from the API, class, MPCI node, |
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231 | * and index components. |
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232 | */ |
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233 | #define rtems_build_id( _api, _class, _node, _index ) \ |
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234 | _Objects_Build_id( _api, _class, _node, _index ) |
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235 | |
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236 | /* Generated from spec:/rtems/object/if/build-name */ |
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237 | |
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238 | /** |
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239 | * @ingroup RTEMSAPIClassicObject |
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240 | * |
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241 | * @brief Builds the object name composed of the four characters. |
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242 | * |
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243 | * This directive takes the four characters provided as arguments and composes |
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244 | * a 32-bit object name with ``_c1`` in the most significant 8-bits and ``_c4`` |
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245 | * in the least significant 8-bits. |
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246 | * |
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247 | * This directive is strictly local and does not impact task scheduling. |
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248 | * |
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249 | * @param _c1 is the first character of the name. |
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250 | * |
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251 | * @param _c2 is the second character of the name. |
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252 | * |
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253 | * @param _c3 is the third character of the name. |
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254 | * |
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255 | * @param _c4 is the fourth character of the name. |
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256 | * |
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257 | * @return Returns the object name composed of the four characters. |
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258 | */ |
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259 | #define rtems_build_name( _c1, _c2, _c3, _c4 ) \ |
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260 | _Objects_Build_name( _c1, _c2, _c3, _c4 ) |
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261 | |
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262 | /* Generated from spec:/rtems/object/if/get-classic-name */ |
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263 | |
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264 | /** |
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265 | * @ingroup RTEMSAPIClassicObject |
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266 | * |
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267 | * @brief Gets the object name associated with the object identifier. |
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268 | * |
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269 | * This directive is strictly local and does not impact task scheduling. |
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270 | * |
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271 | * @param id is the object identifier to get the name. |
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272 | * |
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273 | * @param[out] name is the pointer to an object name variable. The object name |
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274 | * associated with the object identifier will be stored in this variable, in |
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275 | * case of a successful operation. |
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276 | * |
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277 | * @retval ::RTEMS_SUCCESSFUL The requested operation was successful. |
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278 | * |
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279 | * @retval ::RTEMS_INVALID_ADDRESS The ``name`` parameter was NULL. |
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280 | * |
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281 | * @retval ::RTEMS_INVALID_ID There was no object information available for the |
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282 | * object identifier. |
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283 | * |
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284 | * @retval ::RTEMS_INVALID_ID The object name associated with the object |
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285 | * identifier was a string. |
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286 | * |
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287 | * @retval ::RTEMS_INVALID_ID There was no object associated with the object |
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288 | * identifier. |
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289 | */ |
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290 | rtems_status_code rtems_object_get_classic_name( |
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291 | rtems_id id, |
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292 | rtems_name *name |
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293 | ); |
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294 | |
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295 | /* Generated from spec:/rtems/object/if/get-name */ |
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296 | |
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297 | /** |
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298 | * @ingroup RTEMSAPIClassicObject |
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299 | * |
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300 | * @brief Gets the object name associated with the object identifier as a |
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301 | * string. |
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302 | * |
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303 | * The object name is stored in the name buffer. If the name buffer length is |
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304 | * greater than zero, then the stored object name will be ``NUL`` terminated. |
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305 | * The stored object name may be truncated to fit the length. There is no |
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306 | * indication if a truncation occurred. Every attempt is made to return name |
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307 | * as a printable string even if the object has the Classic API 32-bit integer |
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308 | * style name. |
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309 | * |
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310 | * This directive may cause the calling task to be preempted due to an obtain |
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311 | * and release of the object allocator mutex. |
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312 | * |
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313 | * @param id is the object identifier to get the name. |
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314 | * |
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315 | * @param length is the buffer length in bytes. |
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316 | * |
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317 | * @param[out] name is the pointer to a buffer of the specified length. |
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318 | * |
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319 | * @retval NULL The ``length`` parameter was 0. |
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320 | * |
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321 | * @retval NULL The ``name`` parameter was NULL. |
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322 | * |
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323 | * @retval NULL There was no object information available for the object |
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324 | * identifier. |
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325 | * |
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326 | * @retval NULL There was no object associated with the object identifier. |
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327 | * |
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328 | * @return Returns the ``name`` parameter value, if there is an object name |
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329 | * associated with the object identifier. |
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330 | */ |
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331 | char *rtems_object_get_name( rtems_id id, size_t length, char *name ); |
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332 | |
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333 | /* Generated from spec:/rtems/object/if/set-name */ |
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334 | |
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335 | /** |
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336 | * @ingroup RTEMSAPIClassicObject |
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337 | * |
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338 | * @brief Sets the object name of the object associated with the object |
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339 | * identifier. |
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340 | * |
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341 | * This directive will set the object name based upon the user string. |
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342 | * |
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343 | * This directive may cause the calling task to be preempted due to an obtain |
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344 | * and release of the object allocator mutex. |
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345 | * |
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346 | * This directive can be used to set the name of objects which do not have a |
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347 | * naming scheme per their API. |
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348 | * |
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349 | * If the object specified by ``id`` is of a class that has a string name, this |
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350 | * directive will free the existing name to the RTEMS Workspace and allocate |
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351 | * enough memory from the RTEMS Workspace to make a copy of the string located |
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352 | * at ``name``. |
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353 | * |
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354 | * If the object specified by ``id`` is of a class that has a 32-bit integer |
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355 | * style name, then the first four characters in ``name`` will be used to |
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356 | * construct the name. |
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357 | * |
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358 | * @param id is the object identifier of the object to set the name. |
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359 | * |
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360 | * @param name is the object name to set. |
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361 | * |
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362 | * @retval ::RTEMS_SUCCESSFUL The requested operation was successful. |
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363 | * |
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364 | * @retval ::RTEMS_INVALID_ADDRESS The ``name`` parameter was NULL. |
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365 | * |
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366 | * @retval ::RTEMS_INVALID_ID There was no object information available for the |
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367 | * object identifier. |
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368 | * |
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369 | * @retval ::RTEMS_INVALID_ID There was no object associated with the object |
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370 | * identifier. |
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371 | * |
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372 | * @retval ::RTEMS_NO_MEMORY There was no memory available to duplicate the |
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373 | * name. |
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374 | */ |
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375 | rtems_status_code rtems_object_set_name( rtems_id id, const char *name ); |
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376 | |
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377 | /* Generated from spec:/rtems/object/if/id-get-api */ |
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378 | |
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379 | /** |
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380 | * @ingroup RTEMSAPIClassicObject |
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381 | * |
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382 | * @brief Gets the API component of the object identifier. |
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383 | * |
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384 | * This directive is strictly local and does not impact task scheduling. |
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385 | * |
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386 | * This directive does not validate the object identifier provided in ``_id``. |
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387 | * |
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388 | * A body is also provided. |
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389 | * |
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390 | * @param _id is the object identifier with the API component to get. |
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391 | * |
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392 | * @return Returns the API component of the object identifier. |
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393 | */ |
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394 | #define rtems_object_id_get_api( _id ) _Objects_Get_API( _id ) |
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395 | |
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396 | /* Generated from spec:/rtems/object/if/id-get-class */ |
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397 | |
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398 | /** |
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399 | * @ingroup RTEMSAPIClassicObject |
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400 | * |
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401 | * @brief Gets the class component of the object identifier. |
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402 | * |
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403 | * This directive is strictly local and does not impact task scheduling. |
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404 | * |
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405 | * This directive does not validate the object identifier provided in ``_id``. |
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406 | * |
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407 | * A body is also provided. |
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408 | * |
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409 | * @param _id is the object identifier with the class component to get. |
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410 | * |
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411 | * @return Returns the class component of the object identifier. |
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412 | */ |
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413 | #define rtems_object_id_get_class( _id ) _Objects_Get_class( _id ) |
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414 | |
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415 | /* Generated from spec:/rtems/object/if/id-get-node */ |
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416 | |
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417 | /** |
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418 | * @ingroup RTEMSAPIClassicObject |
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419 | * |
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420 | * @brief Gets the MPCI node component of the object identifier. |
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421 | * |
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422 | * This directive is strictly local and does not impact task scheduling. |
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423 | * |
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424 | * This directive does not validate the object identifier provided in ``_id``. |
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425 | * |
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426 | * A body is also provided. |
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427 | * |
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428 | * @param _id is the object identifier with the MPCI node component to get. |
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429 | * |
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430 | * @return Returns the MPCI node component of the object identifier. |
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431 | */ |
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432 | #define rtems_object_id_get_node( _id ) _Objects_Get_node( _id ) |
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433 | |
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434 | /* Generated from spec:/rtems/object/if/id-get-index */ |
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435 | |
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436 | /** |
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437 | * @ingroup RTEMSAPIClassicObject |
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438 | * |
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439 | * @brief Gets the index component of the object identifier. |
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440 | * |
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441 | * This directive is strictly local and does not impact task scheduling. |
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442 | * |
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443 | * This directive does not validate the object identifier provided in ``_id``. |
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444 | * |
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445 | * A body is also provided. |
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446 | * |
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447 | * @param _id is the object identifier with the index component to get. |
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448 | * |
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449 | * @return Returns the index component of the object identifier. |
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450 | */ |
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451 | #define rtems_object_id_get_index( _id ) _Objects_Get_index( _id ) |
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452 | |
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453 | /* Generated from spec:/rtems/object/if/id-api-minimum */ |
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454 | |
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455 | /** |
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456 | * @ingroup RTEMSAPIClassicObject |
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457 | * |
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458 | * @brief Gets the lowest valid value for the API component of an object |
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459 | * identifier. |
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460 | * |
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461 | * This directive is strictly local and does not impact task scheduling. |
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462 | * |
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463 | * A body is also provided. |
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464 | * |
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465 | * @return Returns the lowest valid value for the API component of an object |
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466 | * identifier. |
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467 | */ |
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468 | #define rtems_object_id_api_minimum() OBJECTS_INTERNAL_API |
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469 | |
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470 | /* Generated from spec:/rtems/object/if/id-api-maximum */ |
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471 | |
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472 | /** |
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473 | * @ingroup RTEMSAPIClassicObject |
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474 | * |
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475 | * @brief Gets the highest valid value for the API component of an object |
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476 | * identifier. |
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477 | * |
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478 | * This directive is strictly local and does not impact task scheduling. |
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479 | * |
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480 | * A body is also provided. |
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481 | * |
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482 | * @return Returns the highest valid value for the API component of an object |
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483 | * identifier. |
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484 | */ |
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485 | #define rtems_object_id_api_maximum() OBJECTS_APIS_LAST |
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486 | |
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487 | /* Generated from spec:/rtems/object/if/api-minimum-class */ |
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488 | |
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489 | /** |
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490 | * @ingroup RTEMSAPIClassicObject |
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491 | * |
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492 | * @brief Gets the lowest valid class value of the object API. |
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493 | * |
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494 | * This directive is strictly local and does not impact task scheduling. |
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495 | * |
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496 | * @param api is the object API to get the lowest valid class value. |
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497 | * |
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498 | * @retval -1 The object API was invalid. |
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499 | * |
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500 | * @return Returns the lowest valid class value of the object API. |
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501 | */ |
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502 | int rtems_object_api_minimum_class( int api ); |
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503 | |
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504 | /* Generated from spec:/rtems/object/if/api-maximum-class */ |
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505 | |
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506 | /** |
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507 | * @ingroup RTEMSAPIClassicObject |
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508 | * |
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509 | * @brief Gets the highest valid class value of the object API. |
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510 | * |
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511 | * This directive is strictly local and does not impact task scheduling. |
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512 | * |
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513 | * @param api is the object API to get the highest valid class value. |
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514 | * |
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515 | * @retval 0 The object API was invalid. |
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516 | * |
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517 | * @return Returns the highest valid class value of the object API. |
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518 | */ |
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519 | int rtems_object_api_maximum_class( int api ); |
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520 | |
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521 | /* Generated from spec:/rtems/object/if/get-api-name */ |
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522 | |
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523 | /** |
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524 | * @ingroup RTEMSAPIClassicObject |
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525 | * |
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526 | * @brief Gets a descriptive name of the object API. |
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527 | * |
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528 | * This directive is strictly local and does not impact task scheduling. |
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529 | * |
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530 | * The string returned is from constant space. Do not modify or free it. |
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531 | * |
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532 | * @param api is the object API to get the name. |
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533 | * |
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534 | * @retval "BAD API" The API was invalid. |
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535 | * |
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536 | * @return Returns a descriptive name of the API, if the API was valid. |
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537 | */ |
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538 | const char *rtems_object_get_api_name( int api ); |
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539 | |
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540 | /* Generated from spec:/rtems/object/if/get-api-class-name */ |
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541 | |
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542 | /** |
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543 | * @ingroup RTEMSAPIClassicObject |
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544 | * |
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545 | * @brief Gets a descriptive name of the object class of the object API. |
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546 | * |
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547 | * This directive is strictly local and does not impact task scheduling. |
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548 | * |
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549 | * The string returned is from constant space. Do not modify or free it. |
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550 | * |
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551 | * @param the_api is the object API of the object class. |
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552 | * |
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553 | * @param the_class is the object class of the object API to get the name. |
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554 | * |
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555 | * @retval "BAD API" The API was invalid. |
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556 | * |
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557 | * @retval "BAD CLASS" The class of the API was invalid. |
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558 | * |
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559 | * @return Returns a descriptive name of the class of the API, if the class of |
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560 | * the API and the API were valid. |
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561 | */ |
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562 | const char *rtems_object_get_api_class_name( int the_api, int the_class ); |
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563 | |
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564 | /* Generated from spec:/rtems/object/if/get-class-information */ |
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565 | |
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566 | /** |
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567 | * @ingroup RTEMSAPIClassicObject |
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568 | * |
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569 | * @brief Gets the object class information of the object class of the object |
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570 | * API. |
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571 | * |
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572 | * This directive is strictly local and does not impact task scheduling. |
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573 | * |
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574 | * @param the_api is the object API of the object class. |
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575 | * |
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576 | * @param the_class is the object class of the object API to get the class |
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577 | * information. |
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578 | * |
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579 | * @param info is the pointer to an object class information variable. The |
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580 | * object class information of the class of the API will be stored in this |
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581 | * variable, in case of a successful operation. |
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582 | * |
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583 | * @retval ::RTEMS_SUCCESSFUL The requested operation was successful. |
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584 | * |
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585 | * @retval ::RTEMS_INVALID_ADDRESS The ``info`` parameter was NULL. |
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586 | * |
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587 | * @retval ::RTEMS_INVALID_NUMBER The class of the API or the API was invalid. |
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588 | */ |
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589 | rtems_status_code rtems_object_get_class_information( |
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590 | int the_api, |
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591 | int the_class, |
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592 | rtems_object_api_class_information *info |
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593 | ); |
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594 | |
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595 | /* Generated from spec:/rtems/object/if/get-local-node */ |
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596 | |
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597 | /** |
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598 | * @ingroup RTEMSAPIClassicObject |
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599 | * |
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600 | * @brief Gets the local MPCI node number. |
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601 | * |
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602 | * This directive is strictly local and does not impact task scheduling. |
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603 | * |
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604 | * @return Returns the local MPCI node number. |
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605 | */ |
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606 | static inline uint16_t rtems_object_get_local_node( void ) |
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607 | { |
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608 | return _Objects_Local_node; |
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609 | } |
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610 | |
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611 | #ifdef __cplusplus |
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612 | } |
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613 | #endif |
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614 | |
---|
615 | #endif /* _RTEMS_RTEMS_OBJECT_H */ |
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