Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/ppe/HTaskInfo.cc @ 514:2659376067e8
old ball_bound fix...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Tue, 20 Oct 2009 21:18:28 +0900 |
parents | 22e8eba8ad5e |
children | 5c76db2a07fa |
rev | line source |
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46 | 1 #include <stdio.h> |
2 #include <stdlib.h> | |
63 | 3 #include "TaskManagerImpl.h" |
46 | 4 #include "HTaskInfo.h" |
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5 #include "TaskQueueInfo.h" |
46 | 6 |
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7 // Singleton HTask Pool |
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8 HTaskInfo HTaskInfo::taskQueuePool; |
46 | 9 |
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10 HTaskInfo::HTaskInfo() { |
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11 // 最初の一つは自分 |
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12 first = last = this; |
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13 next = prev = this; |
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14 waiter = NULL; |
46 | 15 } |
16 | |
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17 void |
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18 HTaskInfo::freePool() { |
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19 for(HTaskPtr p = taskQueuePool.waiter; p; ) { |
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20 HTaskPtr next = p->waiter; |
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21 p->waiter = NULL; |
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22 delete p->wait_me; |
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23 delete p->wait_i; |
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24 free(p); |
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25 p = next; |
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26 } |
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27 } |
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28 |
46 | 29 int |
30 HTaskInfo::extend_pool(int num) | |
31 { | |
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32 HTaskPtr q = (HTaskPtr)malloc(sizeof(HTask)*(num+1)); |
46 | 33 |
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34 // First Queue is previous pool |
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35 q->waiter = waiter; waiter = q; |
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36 q++; |
46 | 37 |
38 /* Connect all free queue in the pool */ | |
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39 HTaskPtr p = q; |
499 | 40 for (; num-- > 0; p++) { |
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41 p->waiter = NULL; |
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42 p->wait_me = new TaskQueueInfo(); |
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43 p->wait_i = new TaskQueueInfo(); |
499 | 44 taskQueuePool.addLast(p); |
46 | 45 } |
46 | |
47 return 0; | |
48 } | |
49 | |
109 | 50 /** |
298 | 51 * Task をプールから取って来て返す |
109 | 52 * |
298 | 53 * @param [cmd] タスクコマンド |
109 | 54 */ |
46 | 55 HTaskPtr |
109 | 56 HTaskInfo::create(int cmd) |
46 | 57 { |
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58 HTaskPtr q = taskQueuePool.poll(); |
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59 if (! q) { |
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60 taskQueuePool.extend_pool(64); |
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61 q = taskQueuePool.poll(); |
46 | 62 } |
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63 q->next = q->prev = NULL; |
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64 q->waiter = NULL; |
46 | 65 |
66 q->command = cmd; | |
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67 q->inData.clear(); |
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68 q->outData.clear(); |
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69 q->self = (int) q; |
109 | 70 q->param_size = 0; |
71 | |
46 | 72 q->post_func = NULL; |
63 | 73 q->mimpl = NULL; |
65 | 74 q->cpu_type = CPU_PPE; |
46 | 75 |
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76 // q->wait_me.clear(); |
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77 // q->wait_i.clear(); |
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78 |
46 | 79 return q; |
80 } | |
81 | |
82 void | |
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83 HTaskInfo::free_(HTaskPtr q) |
46 | 84 { |
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85 q->waiter = NULL; |
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86 taskQueuePool.addLast(q); |
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87 } |
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88 |
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89 |
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90 /*! |
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91 HTaskInfo は空にならない。最低1個は要素が入っていて |
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92 1個目は特別扱いする。getFirst すると first->next を返す |
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93 */ |
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94 |
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95 /*! |
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96 最初の1個は特別扱いなので、それの後に追加していく |
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97 */ |
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98 void |
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99 HTaskInfo::addFirst(HTask* e) |
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100 { |
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101 e->prev = first; |
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102 e->next = first->next; |
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103 first->next->prev = e; |
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104 first->next = e; |
46 | 105 } |
106 | |
107 void | |
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108 HTaskInfo::addLast(HTask* e) |
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109 { |
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110 #ifdef CHECK |
499 | 111 if (find(e)) { |
112 fprintf(stderr,"Add duplicate task %0x\n",(int)e); | |
113 return; | |
114 // ... | |
115 } | |
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116 #endif |
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117 e->next = first; |
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118 e->prev = last; |
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119 last->next = e; |
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120 last = e; |
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121 } |
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122 |
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123 HTask* |
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124 HTaskInfo::getFirst() |
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125 { |
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126 if (empty()) return NULL; |
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127 return first->next; |
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128 } |
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129 |
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130 HTask* |
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131 HTaskInfo::getLast() |
46 | 132 { |
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133 if (empty()) return NULL; |
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134 return last; |
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135 } |
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136 |
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137 int |
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138 HTaskInfo::remove(HTask* e) |
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139 { |
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140 #ifdef CHECK |
499 | 141 if (!find(e)) { |
142 fprintf(stderr,"Remove non existing task %0x\n",(int)e); | |
143 return 0; | |
144 // ... | |
145 } | |
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146 #endif |
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147 e->prev->next = e->next; |
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148 e->next->prev = e->prev; |
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149 |
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150 if (first->next == e) { |
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151 first->next = e->next; |
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152 } |
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153 if (last == e) { |
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154 last = e->prev; |
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155 } |
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156 |
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157 e->prev = NULL; |
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158 e->next = NULL; |
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159 |
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160 return 1; |
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161 } |
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162 |
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163 /*! |
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164 リストの先頭を取得および削除する。リストが空の場合は NULL を返す。 |
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165 */ |
46 | 166 |
498
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167 HTask* |
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168 HTaskInfo::poll() |
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169 { |
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170 HTask* e = first->next; |
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171 if (e == this) { |
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172 return NULL; |
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173 } |
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174 remove(e); |
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175 return e; |
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176 } |
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177 |
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178 void |
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179 HTaskInfo::moveToFirst(HTask* e) |
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180 { |
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181 remove(e); |
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182 addFirst(e); |
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183 } |
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184 |
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185 /*! |
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186 リスト内の指定された位置にある要素を返す。 |
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187 要素数を超えた位置を指定した場合 NULL を返す。 |
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188 */ |
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189 |
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190 HTask* |
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191 HTaskInfo::get(int index) |
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192 { |
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193 HTask* e = first->next; |
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194 for (int i = 0; i < index; i++) { |
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195 if (e == this) return NULL; |
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196 e = e->next; |
109 | 197 } |
498
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198 return e; |
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199 } |
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200 |
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201 HTask* |
499 | 202 HTaskInfo::find(HTask* task) |
498
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203 { |
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204 HTask* e = first->next; |
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205 for(;;) { |
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206 if (e == this) return NULL; |
499 | 207 if (e == task) break; |
498
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208 e = e->next; |
46 | 209 } |
498
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210 return e; |
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211 } |
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212 |
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213 int |
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214 HTaskInfo::empty() |
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215 { |
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216 return next == this; |
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217 } |
109 | 218 |
498
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219 HTask* |
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220 HTaskInfo::getNext(HTask* q) |
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221 { |
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222 if (q->next==this) return NULL; |
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223 return q->next; |
46 | 224 } |
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225 |
499 | 226 int |
227 HTaskInfo::length() | |
228 { | |
229 int i = 1; | |
230 if (empty()) return 0; | |
231 HTask* e = first; | |
232 while((e = e->next) != this ) i++; | |
233 return i; | |
234 } | |
235 | |
236 | |
498
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237 |
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238 |
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239 /* end */ |
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240 |
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241 |