1 | /* userext.h |
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2 | * |
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3 | * This include file contains all information about user extensions. This |
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4 | * Handler provides mechanisms which can be used to initialize and manipulate |
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5 | * all RTEMS user extensions. |
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6 | * |
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7 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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8 | * On-Line Applications Research Corporation (OAR). |
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9 | * All rights assigned to U.S. Government, 1994. |
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10 | * |
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11 | * This material may be reproduced by or for the U.S. Government pursuant |
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12 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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13 | * notice must appear in all copies of this file and its derivatives. |
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14 | * |
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15 | * $Id$ |
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16 | */ |
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17 | |
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18 | #ifndef __RTEMS_USER_EXTENSIONS_h |
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19 | #define __RTEMS_USER_EXTENSIONS_h |
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20 | |
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21 | #ifdef __cplusplus |
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22 | extern "C" { |
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23 | #endif |
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24 | |
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25 | #include <rtems/config.h> |
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26 | #include <rtems/thread.h> |
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27 | |
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28 | /* |
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29 | * The following is used to manage each user extension set. |
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30 | */ |
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31 | |
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32 | typedef struct { |
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33 | Chain_Node Node; |
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34 | rtems_extensions_table Callouts; |
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35 | } User_extensions_Control; |
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36 | |
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37 | /* |
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38 | * The following contains the static extension set which may be |
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39 | * configured by the application. |
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40 | */ |
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41 | |
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42 | EXTERN User_extensions_Control _User_extensions_Initial; |
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43 | |
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44 | /* |
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45 | * The following is used to manage the list of active extensions. |
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46 | */ |
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47 | |
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48 | EXTERN Chain_Control _User_extensions_List; |
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49 | |
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50 | |
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51 | /* |
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52 | * _User_extensions_Handler_initialization |
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53 | * |
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54 | * DESCRIPTION: |
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55 | * |
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56 | * This routine performs the initialization necessary for this handler. |
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57 | */ |
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58 | |
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59 | STATIC INLINE void _User_extensions_Handler_initialization ( |
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60 | rtems_extensions_table *initial_extensions |
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61 | ); |
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62 | |
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63 | /* |
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64 | * _User_extensions_Add_set |
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65 | * |
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66 | * DESCRIPTION: |
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67 | * |
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68 | * This routine is used to add a user extension set to the active list. |
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69 | */ |
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70 | |
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71 | STATIC INLINE void _User_extensions_Add_set ( |
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72 | User_extensions_Control *the_extension, |
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73 | rtems_extensions_table *extension_table |
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74 | ); |
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75 | |
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76 | /* |
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77 | * _User_extensions_Remove_set |
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78 | * |
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79 | * DESCRIPTION: |
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80 | * |
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81 | * This routine is used to remove a user extension set from the active list. |
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82 | */ |
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83 | |
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84 | STATIC INLINE void _User_extensions_Remove_set ( |
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85 | User_extensions_Control *the_extension |
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86 | ); |
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87 | |
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88 | /* |
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89 | * _User_extensions_Task_create |
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90 | * |
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91 | * DESCRIPTION: |
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92 | * |
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93 | * This routine is used to invoke the user extension for |
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94 | * the rtems_task_create directive. |
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95 | */ |
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96 | |
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97 | STATIC INLINE void _User_extensions_Task_create ( |
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98 | Thread_Control *the_thread |
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99 | ); |
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100 | |
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101 | /* |
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102 | * _User_extensions_Task_delete |
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103 | * |
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104 | * DESCRIPTION: |
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105 | * |
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106 | * This routine is used to invoke the user extension for |
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107 | * the rtems_task_delete directive. |
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108 | */ |
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109 | |
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110 | STATIC INLINE void _User_extensions_Task_delete ( |
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111 | Thread_Control *the_thread |
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112 | ); |
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113 | |
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114 | /* |
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115 | * _User_extensions_Task_start |
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116 | * |
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117 | * DESCRIPTION: |
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118 | * |
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119 | * This routine is used to invoke the user extension for |
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120 | * the rtems_task_start directive. |
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121 | */ |
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122 | |
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123 | STATIC INLINE void _User_extensions_Task_start ( |
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124 | Thread_Control *the_thread |
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125 | ); |
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126 | |
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127 | /* |
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128 | * _User_extensions_Task_restart |
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129 | * |
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130 | * DESCRIPTION: |
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131 | * |
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132 | * This routine is used to invoke the user extension for |
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133 | * the rtems_task_restart directive. |
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134 | */ |
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135 | |
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136 | STATIC INLINE void _User_extensions_Task_restart ( |
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137 | Thread_Control *the_thread |
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138 | ); |
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139 | |
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140 | /* |
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141 | * _User_extensions_Task_switch |
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142 | * |
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143 | * DESCRIPTION: |
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144 | * |
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145 | * This routine is used to invoke the user extension which |
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146 | * is invoked when a context switch occurs. |
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147 | */ |
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148 | |
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149 | STATIC INLINE void _User_extensions_Task_switch ( |
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150 | Thread_Control *executing, |
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151 | Thread_Control *heir |
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152 | ); |
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153 | |
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154 | /* |
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155 | * _User_extensions_Task_begin |
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156 | * |
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157 | * DESCRIPTION: |
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158 | * |
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159 | * This routine is used to invoke the user extension which |
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160 | * is invoked when a task begins. |
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161 | */ |
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162 | |
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163 | STATIC INLINE void _User_extensions_Task_begin ( |
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164 | Thread_Control *executing |
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165 | ); |
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166 | |
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167 | /* |
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168 | * _User_extensions_Task_exitted |
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169 | * |
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170 | * DESCRIPTION: |
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171 | * |
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172 | * This routine is used to invoke the user extension which |
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173 | * is invoked when a task exits. |
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174 | */ |
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175 | |
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176 | STATIC INLINE void _User_extensions_Task_exitted ( |
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177 | Thread_Control *executing |
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178 | ); |
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179 | |
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180 | /* |
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181 | * _User_extensions_Task_exitted |
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182 | * |
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183 | * DESCRIPTION: |
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184 | * |
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185 | * This routine is used to invoke the user extension which |
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186 | * is invoked when a task exits. |
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187 | */ |
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188 | |
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189 | STATIC INLINE void _User_extensions_Task_exitted ( |
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190 | Thread_Control *executing |
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191 | ); |
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192 | |
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193 | /* |
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194 | * _User_extensions_Fatal |
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195 | * |
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196 | * DESCRIPTION: |
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197 | * |
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198 | * This routine is used to invoke the user extension for |
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199 | * the rtems_fatal_error_occurred directive. |
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200 | */ |
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201 | |
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202 | STATIC INLINE void _User_extensions_Fatal ( |
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203 | unsigned32 the_error |
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204 | ); |
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205 | |
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206 | #include <rtems/userext.inl> |
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207 | |
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208 | #ifdef __cplusplus |
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209 | } |
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210 | #endif |
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211 | |
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212 | #endif |
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213 | /* end of include file */ |
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