add_wait_queue(&ftape_wait_intr, &wait);
while (!ft_interrupt_seen && (current->state == TASK_INTERRUPTIBLE)) {
timeout = schedule_timeout(timeout);
add_wait_queue(&ftape_wait_intr, &wait);
while (!ft_interrupt_seen && (current->state == TASK_INTERRUPTIBLE)) {
timeout = schedule_timeout(timeout);