sleep.cpp

来自「一个很棒的网络控制系统仿真软件」· C++ 代码 · 共 78 行

#ifndef SLEEP
#define SLEEP

#include "movetime.cpp"
#include "gettask.cpp"
#include "findQ.cpp"

void ttSleepUntil(double time) {
 
  if (rtsys->running == NULL) {
    MEX_ERROR("ttSleep(Until): No running task!");
    return;
  }

  rtsys->running->currentJob->release = time;
   
  moveToTimeQ(rtsys->running);
  rtsys->readyQ->deleteNode(rtsys->readyQ->getLast());

  rtsys->running = NULL;
}

void ttSleepUntil(double time, char *nameOfTask) {

  TaskNode *tn;
  Task* task = getTask(nameOfTask);
  
  if (task == NULL) {
    char buf[200];
    sprintf(buf, "ttSleep(Until): Non-existent task '%s'!", nameOfTask);
    MEX_ERROR(buf);
    return;
  }

  if (task->currentJob == NULL) {
    char buf[200];
    sprintf(buf, "ttSleep(Until): No running job of task '%s'!\n", nameOfTask);
    MEX_ERROR(buf);
    return;
  }

  // Look for task in readyQ
  tn = findInQ(nameOfTask, rtsys->readyQ);
  if (tn != NULL) {
    // Move from readyQ to timeQ
    tn->getTask()->currentJob->release = time;
    
    moveToTimeQ(tn->getTask());
    rtsys->readyQ->deleteNode(tn);
    if (tn->getTask() == rtsys->running) {
      rtsys->running = NULL;
    }
    return;
  }
  
  // Look for task in timeQ
  tn = findInQ(nameOfTask, rtsys->timeQ);
  if (tn != NULL) {
    // Update release time and reorder timeQ
    tn->getTask()->currentJob->release = time;
    
    rtsys->timeQ->deleteNode(tn);
    moveToTimeQ(tn->getTask());
  }
}

void ttSleep(double duration) {
  
  ttSleepUntil(rtsys->time+duration);
}

void ttSleep(double duration, char *nameOfTask) {
  
  ttSleepUntil(rtsys->time+duration, nameOfTask);
}

#endif