VOTO ELECTRÓNICO

goto end_wait4;
retval = -ERESTARTSYS;
if (signal_pending(current))
goto end_wait4;
schedule();
goto repeat;
}
if ((options == (__WCLONE|__WALL)) && (current-
>uid == 0))
retval = -EINVAL;
else
retval = -ECHILD;
end_wait4:
current->state = TASK_RUNNING;
remove_wait_queue(&current->wait_chldexit,&wait);
return retval;
}
Es importante verlo detenidamente, sé que parece tedioso
pero vale la pena el esfuerzo. Acá va de nuevo:
[…]
read_unlock(&tasklist_lock);
if (flag) {
retval = 0;
if (options & WNOHANG)
goto end_wait4;
retval = -ERESTARTSYS;
if (signal_pending(current))
goto end_wait4;
schedule();
goto repeat;
}
if ((options == (__WCLONE|__WALL)) && (current-
>uid = 0))
retval = -EINVAL;
else
72