Пример #1
0
/**********************************************************************
 * Return the TCB of the next task ready to run. According to OSEK
 * specification, the next running task is the task in READY state
 * with the highest priority.
 *
 * @param  void
 * @return ptrTCB    Addresse of the TCB
 **********************************************************************/
ptrTCB GetNextRunningTCB(void)
{
  ptrTCB parserTCB;
  parserTCB = firstTCB;
  SuspendOSInterrupts();
  while (1)
  {
    if ((parserTCB->State & READY) && (parserTCB->State != WAITING))
    {
      if ((parserTCB->Type & ROUND_ROBIN) && !(parserTCB->State & RR_RUNNING))
      {
        if (parserTCB == parserTCB->next)
          break;
        else
          parserTCB = parserTCB->next;
        continue;
      }
      currentTCB = parserTCB;
      ResumeOSInterrupts();
      return(parserTCB);
    }
    if (parserTCB == parserTCB->next)
      break;
    else
      parserTCB = parserTCB->next;
  }
  ResumeOSInterrupts();
  return (NULL);
}
Пример #2
0
/*test case:test the reaction of the system called with 
an activation of a task*/
static void test_t1_instance(void)
{
	StatusType result_inst_1, result_inst_2, result_inst_3;
		
	SCHEDULING_CHECK_STEP(1);
	SuspendAllInterrupts();
	
	SCHEDULING_CHECK_INIT(2);
	result_inst_1 = ActivateTask(t2);
	SCHEDULING_CHECK_AND_EQUAL_INT(2,E_OS_DISABLEDINT, result_inst_1);
	
	SCHEDULING_CHECK_STEP(3);
	sendSoftwareIt(0, SOFT_IRQ0);
	
	SCHEDULING_CHECK_STEP(4);
	ResumeOSInterrupts();
	
	SCHEDULING_CHECK_STEP(5);
	EnableAllInterrupts();
	
	SCHEDULING_CHECK_STEP(6);
	ResumeAllInterrupts();
		
	
	
	SCHEDULING_CHECK_STEP(8);
	SuspendOSInterrupts();
	
	SCHEDULING_CHECK_INIT(9);
	result_inst_2 = ActivateTask(t2);
	SCHEDULING_CHECK_AND_EQUAL_INT(9,E_OS_DISABLEDINT, result_inst_2);
	
	SCHEDULING_CHECK_STEP(10);
	sendSoftwareIt(0, SOFT_IRQ0);
	
	SCHEDULING_CHECK_STEP(11);
	ResumeAllInterrupts();
	
	SCHEDULING_CHECK_STEP(12);
	EnableAllInterrupts();
	
	SCHEDULING_CHECK_STEP(13);
	DisableAllInterrupts();
	
	SCHEDULING_CHECK_STEP(14);
	EnableAllInterrupts();
	
	SCHEDULING_CHECK_STEP(15);
	ResumeOSInterrupts();
	
	
	
	SCHEDULING_CHECK_STEP(17);
	DisableAllInterrupts();
	
	SCHEDULING_CHECK_INIT(18);
	result_inst_3 = ActivateTask(t2);
	SCHEDULING_CHECK_AND_EQUAL_INT(18,E_OS_DISABLEDINT, result_inst_3);
	
	SCHEDULING_CHECK_STEP(19);
	sendSoftwareIt(0, SOFT_IRQ0);
	
	SCHEDULING_CHECK_STEP(20);
	ResumeAllInterrupts();
	
	SCHEDULING_CHECK_STEP(21);
	ResumeOSInterrupts();
	
	SCHEDULING_CHECK_STEP(22);
	EnableAllInterrupts();
	
	SCHEDULING_CHECK_STEP(24);

}