overruntimers.cpp

来自「一个很棒的网络控制系统仿真软件」· C++ 代码 · 共 77 行

#ifndef OR_TIMERS
#define OR_TIMERS

void createDLTimer(Task *task, double time) {

  Timer *t = new Timer;
  t->name = NULL;
  t->time = time;
  t->period = 0.0;
  t->isPeriodic = false;
  t->wcetORtimer = false;
  t->dlORtimer = true;
  t->handler = task->deadlineORhandler;
  t->task = task;

  rtsys->timerQ->insertSorted(new TimerNode(t));
}  

void createWCETTimer(Task *task, double time) {

  Timer *t = new Timer;
  t->name = NULL;
  t->time = time;
  t->period = 0.0;
  t->isPeriodic = false;
  t->wcetORtimer = true;
  t->dlORtimer = false;
  t->handler = task->exectimeORhandler;
  t->task = task;
  rtsys->timerQ->insertSorted(new TimerNode(t));
}  

void removeWCETTimer(Task* task) {
  bool found = false;

  TimerNode* tn = (TimerNode*) rtsys->timerQ->getFirst();
  while (tn!=NULL && !found) {
    Timer* t = tn->getTimer();
    if (t->wcetORtimer && (t->task == task)) {
      found = true;
      rtsys->timerQ->deleteNode(tn);
      delete t;
    } else {
      tn = (TimerNode*) tn->getNext();
    }
  }
}

void removeORTimers(Task *task) {
  bool found1 = false;
  bool found2 = false;

  TimerNode* tn = (TimerNode*) rtsys->timerQ->getFirst();

  while (tn!=NULL && !(found1 && found2)) {
    Timer* t = tn->getTimer();
    if (t->dlORtimer && t->task == task) {
      found1 = true;
      TimerNode* tmp = tn;
      tn = (TimerNode*) tn->getNext();
      rtsys->timerQ->deleteNode(tmp);
      delete t;
    }
    else if (t->wcetORtimer && t->task == task) {
      found2 = true;
      TimerNode* tmp = tn;
      tn = (TimerNode*) tn->getNext();
      rtsys->timerQ->deleteNode(tmp);
    }
    else
      tn = (TimerNode*) tn->getNext();
  }

}

#endif