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 user extensions. |
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6 | * |
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7 | * COPYRIGHT (c) 1989-1998. |
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8 | * On-Line Applications Research Corporation (OAR). |
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9 | * Copyright assigned to U.S. Government, 1994. |
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10 | * |
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11 | * The license and distribution terms for this file may be |
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12 | * found in the file LICENSE in this distribution or at |
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13 | * http://www.OARcorp.com/rtems/license.html. |
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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 __USER_EXTENSIONS_h |
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19 | #define __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/score/interr.h> |
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26 | #include <rtems/score/chain.h> |
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27 | #include <rtems/score/thread.h> |
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28 | |
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29 | /* |
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30 | * The following records defines the User Extension Table. |
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31 | * This table defines the application dependent routines which |
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32 | * are invoked at critical points in the life of each thread and |
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33 | * the system as a whole. |
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34 | */ |
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35 | |
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36 | typedef void User_extensions_routine; |
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37 | |
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38 | typedef boolean ( *User_extensions_thread_create_extension )( |
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39 | Thread_Control *, |
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40 | Thread_Control * |
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41 | ); |
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42 | |
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43 | typedef User_extensions_routine ( *User_extensions_thread_delete_extension )( |
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44 | Thread_Control *, |
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45 | Thread_Control * |
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46 | ); |
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47 | |
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48 | typedef User_extensions_routine ( *User_extensions_thread_start_extension )( |
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49 | Thread_Control *, |
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50 | Thread_Control * |
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51 | ); |
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52 | |
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53 | typedef User_extensions_routine ( *User_extensions_thread_restart_extension )( |
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54 | Thread_Control *, |
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55 | Thread_Control * |
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56 | ); |
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57 | |
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58 | typedef User_extensions_routine ( *User_extensions_thread_switch_extension )( |
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59 | Thread_Control *, |
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60 | Thread_Control * |
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61 | ); |
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62 | |
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63 | typedef User_extensions_routine ( |
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64 | *User_extensions_thread_post_switch_extension )( |
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65 | Thread_Control * |
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66 | ); |
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67 | |
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68 | typedef User_extensions_routine ( *User_extensions_thread_begin_extension )( |
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69 | Thread_Control * |
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70 | ); |
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71 | |
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72 | typedef User_extensions_routine ( *User_extensions_thread_exitted_extension )( |
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73 | Thread_Control * |
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74 | ); |
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75 | |
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76 | typedef User_extensions_routine ( *User_extensions_fatal_extension )( |
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77 | Internal_errors_Source /* the_source */, |
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78 | boolean /* is_internal */, |
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79 | unsigned32 /* the_error */ |
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80 | ); |
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81 | |
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82 | |
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83 | typedef struct { |
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84 | User_extensions_thread_create_extension thread_create; |
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85 | User_extensions_thread_start_extension thread_start; |
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86 | User_extensions_thread_restart_extension thread_restart; |
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87 | User_extensions_thread_delete_extension thread_delete; |
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88 | User_extensions_thread_switch_extension thread_switch; |
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89 | User_extensions_thread_begin_extension thread_begin; |
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90 | User_extensions_thread_exitted_extension thread_exitted; |
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91 | User_extensions_fatal_extension fatal; |
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92 | } User_extensions_Table; |
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93 | |
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94 | /* |
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95 | * The following is used to manage each user extension set. |
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96 | */ |
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97 | |
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98 | typedef struct { |
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99 | Chain_Node Node; |
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100 | User_extensions_Table Callouts; |
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101 | } User_extensions_Control; |
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102 | |
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103 | /* |
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104 | * The following is used to manage the list of active extensions. |
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105 | */ |
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106 | |
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107 | SCORE_EXTERN Chain_Control _User_extensions_List; |
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108 | |
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109 | /* |
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110 | * _User_extensions_Thread_create |
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111 | * |
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112 | * DESCRIPTION: |
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113 | * |
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114 | * This routine is used to invoke the user extension for |
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115 | * the thread creation operate. |
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116 | */ |
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117 | |
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118 | boolean _User_extensions_Thread_create ( |
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119 | Thread_Control *the_thread |
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120 | ); |
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121 | |
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122 | /* |
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123 | * _User_extensions_Thread_delete |
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124 | * |
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125 | * DESCRIPTION: |
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126 | * |
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127 | * This routine is used to invoke the user extension for |
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128 | * the thread deletion operation. |
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129 | */ |
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130 | |
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131 | void _User_extensions_Thread_delete ( |
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132 | Thread_Control *the_thread |
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133 | ); |
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134 | |
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135 | /* |
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136 | * _User_extensions_Thread_start |
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137 | * |
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138 | * DESCRIPTION: |
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139 | * |
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140 | * This routine is used to invoke the user extension for |
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141 | * the thread start operation. |
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142 | */ |
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143 | |
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144 | void _User_extensions_Thread_start ( |
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145 | Thread_Control *the_thread |
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146 | ); |
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147 | |
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148 | /* |
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149 | * _User_extensions_Thread_restart |
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150 | * |
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151 | * DESCRIPTION: |
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152 | * |
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153 | * This routine is used to invoke the user extension for |
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154 | * the thread restart operation. |
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155 | */ |
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156 | |
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157 | void _User_extensions_Thread_restart ( |
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158 | Thread_Control *the_thread |
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159 | ); |
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160 | |
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161 | /* |
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162 | * _User_extensions_Thread_begin |
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163 | * |
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164 | * DESCRIPTION: |
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165 | * |
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166 | * This routine is used to invoke the user extension which |
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167 | * is invoked when a thread begins. |
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168 | */ |
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169 | |
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170 | void _User_extensions_Thread_begin ( |
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171 | Thread_Control *executing |
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172 | ); |
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173 | |
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174 | /* |
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175 | * _User_extensions_Thread_exitted |
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176 | * |
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177 | * DESCRIPTION: |
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178 | * |
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179 | * This routine is used to invoke the user extension which |
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180 | * is invoked when a thread exits. |
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181 | */ |
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182 | |
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183 | void _User_extensions_Thread_exitted ( |
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184 | Thread_Control *executing |
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185 | ); |
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186 | |
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187 | /* |
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188 | * _User_extensions_Fatal |
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189 | * |
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190 | * DESCRIPTION: |
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191 | * |
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192 | * This routine is used to invoke the user extension invoked |
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193 | * when a fatal error occurs. |
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194 | */ |
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195 | |
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196 | void _User_extensions_Fatal ( |
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197 | Internal_errors_Source the_source, |
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198 | boolean is_internal, |
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199 | unsigned32 the_error |
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200 | ); |
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201 | |
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202 | #ifndef __RTEMS_APPLICATION__ |
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203 | #include <rtems/score/userext.inl> |
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204 | #endif |
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205 | |
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206 | #ifdef __cplusplus |
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207 | } |
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208 | #endif |
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209 | |
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210 | #endif |
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211 | /* end of include file */ |
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