C++ (Cpp) DECLARE_CRITICAL_SECTION Beispiele

Beispiel #1

Datei: exception.c Projekt: phoinixtz/neftis

/* Intended to be called from interrupt context only */
void
task_trigger_exception (struct task *task, int exception, busword_t textaddr, busword_t data, int code)
{
  DECLARE_CRITICAL_SECTION (except);

  ASSERT (get_current_context () == KERNEL_CONTEXT_INTERRUPT);
  ASSERT (get_current_task () == task);
  
  if (exception < 0 || exception >= EX_MAX)
    FAIL ("exception code unrecognized\n");

  if (task->ts_ex_handlers[exception] == NULL)
  {
    /* Process shall be killed */

    TASK_ATOMIC_ENTER (except);
    
    (void) wake_up (task, TASK_STATE_EXITED, 0);

    task_destroy (task);

    schedule ();
    
    TASK_ATOMIC_LEAVE (except);
  }
  else
    (task->ts_ex_handlers[exception]) (task, exception, textaddr, data, code);
}

Beispiel #2

Datei: paramtask.c Projekt: saurabhd14/tinyos-1.x

unsigned char TOS_parampost(void (*tp) (), uint32_t arg) {

  DECLARE_CRITICAL_SECTION();
  uint8_t tmp;
  
  //  dbg(DBG_SCHED, ("TOSH_post: %d 0x%x\n", TOSH_sched_free, (int)tp));
  
  CRITICAL_SECTION_BEGIN();

  tmp = TOSH_sched_free;
  
  if (TOSH_queue[tmp].tp == 0x0) {
#ifdef TASK_QUEUE_DEBUG
    occupancy++;
    if (occupancy > max_occupancy) {
       max_occupancy = occupancy;
    }
#endif
    if(pushqueue(&paramtaskQueue, arg)){
    
      TOSH_sched_free = (tmp + 1) & sys_task_bitmask;
      TOSH_queue[tmp].tp = tp;
      TOSH_queue[tmp].postingFunction = (void *)__builtin_return_address(0);
      TOSH_queue[tmp].timestamp = OSCR0;
      TOSH_queue[tmp].executeTime = 0;
    }
    else{
      printFatalErrorMsg("paramtaskqueue full",0);
    }
      
    CRITICAL_SECTION_END();

    return 0x1;
  }
  else {	
#ifdef TASK_QUEUE_DEBUG
    failed_post++;
#endif
    CRITICAL_SECTION_END();
    printFatalErrorMsg("TaskQueue Full.  Size = ", 1,sys_max_tasks);
    return 0x0;
  }
}