createmonitor.cpp

来自「一个很棒的网络控制系统仿真软件」· C++ 代码 · 共 49 行

#ifndef CREATE_MONITOR
#define CREATE_MONITOR

bool ttCreateMonitor(char *name, bool display) {

  MonitorNode *mn;
  Monitor* mon;

  if (strcmp(name,"") == 0) {
    MEX_ERROR("ttCreateMonitor: Name should be a non-empty string!"); 
    return false;
  }
  if (rtsys->prioFcn == NULL) {
    MEX_ERROR("ttCreateMonitor: Kernel must be initialized before creation of monitors!");
    return false;
  }

  mn = (MonitorNode*) rtsys->monitorList->getFirst();
  while (mn!=NULL) {
    mon = mn->getMonitor();
    if (mon->name != NULL) {
      if (strcmp(mon->name, name) == 0)
	break;
    }
    mn = (MonitorNode*) mn->getNext();
  }
  if (mn!=NULL) {
    MEX_ERROR("ttCreateMonitor: Name of monitor not unique!");
    return false;
  }

  mon = new Monitor; 
  
  mon->name = new char[strlen(name)+1];
  strcpy(mon->name, name);
  mon->heldBy = NULL;
  mon->waitingQ = new List("WaitingQ", NULL);
  mon->display = display;
  if (display) rtsys->nbrOfSchedMonitors++;
  
  rtsys->monitorList->appendNode(new MonitorNode(mon));
  
  rtsys->nbrOfMonitors++;
  
  return true;
}

#endif