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annotate TaskManager/kernel/schedule/SchedTaskBase.h @ 818:19c6cdeb23d6

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too few template-parameter-lists
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 May 2010 10:55:25 +0900
parents 2708c4a7bade
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1 #ifndef INCLUDED_SCHED_TASK_BASE
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2 #define INCLUDED_SCHED_TASK_BASE
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3
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4 #include "base.h"
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7
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8 class TaskManagerImpl;
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9 class Scheduler;
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10
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11 class SchedTaskBase {
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12 public:
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13 /* constructor */
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14 // void *called ; // for debug
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15 SchedTaskBase() {
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16 // called = __builtin_return_address(1);
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17 }
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18 virtual ~SchedTaskBase() {}
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20 BASE_NEW_DELETE(SchedTaskBase);
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21
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22 // noaction in default
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23 // virtual void load() {}
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24 virtual void read() {}
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25 virtual void exec() {}
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26 virtual void write() {}
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27 virtual SchedTaskBase* next(Scheduler *, SchedTaskBase*) {return 0;}
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29 /* functions */
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30 virtual void* get_output(void *buff, int index) { return 0; }
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31 virtual void* get_input(void *buff, int index) { return 0;}
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32 virtual memaddr get_param(int index) { return 0;}
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33 virtual int read_size() { return 0;}
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35 /* variables */
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36
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37 // SchedTask は、すべて同じ大きさであるべきなので、継承するクラスには、
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38 // 変数を置かない。ここに、すべて置く。virtual も含めて。
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39
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40 // Task を実行するスケジューラ自身
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41 Scheduler *scheduler;
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42 // Task を作成管理するマネージャー
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43 TaskManagerImpl *manager;
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44
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45 SimpleTaskPtr task;
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46 TaskPtr atask;
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47 SchedTaskBase *savedTask;
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49 // 現在スケジューラが実行している TaskList と、このタスクに対応する Task
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50 TaskListPtr list;
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51 // Task の、Tasklist での位置。(task = &list[cur_index-1])
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52 int cur_index;
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53
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54 memaddr params_addr;
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55
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56 /**
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57 * read データ、write 用のバッファ
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58 * readbuf には タスク登録時に設定した入力データが入っている。
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59 * writebuf にデータを描き込んでおくと、
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60 * タスク登録時に設定した出力先に書き込む
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61 */
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62 void *readbuf;
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63 void *writebuf;
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64
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65 /* system call */
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66
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67 FILE *stdout_;
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68 FILE *stderr_;
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69 FILE *stdin_;
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70
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71 // Task Array しか使わないが、たいした大きさではないのでいいか...
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72 ListData inListData;
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73 ListData outListData;
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74
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75 };
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76
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77 #endif