static struct binder_thread *binder_get_thread_ilocked(
		struct binder_proc *proc, struct binder_thread *new_thread)
{
	struct binder_thread *thread = NULL;
	struct rb_node *parent = NULL;
	struct rb_node **p = &proc->threads.rb_node;

	while (*p) {
		parent = *p;
		thread = rb_entry(parent, struct binder_thread, rb_node);

		if (current->pid < thread->pid)
			p = &(*p)->rb_left;
		else if (current->pid > thread->pid)
			p = &(*p)->rb_right;
		else
			return thread;
	}
	if (!new_thread)
		return NULL;
	thread = new_thread;
	binder_stats_created(BINDER_STAT_THREAD);
	thread->proc = proc;
	thread->pid = current->pid;
	atomic_set(&thread->tmp_ref, 0);
	init_waitqueue_head(&thread->wait);
	INIT_LIST_HEAD(&thread->todo);
	rb_link_node(&thread->rb_node, parent, p);
	rb_insert_color(&thread->rb_node, &proc->threads);
	thread->looper_need_return = true;
	thread->return_error.work.type = BINDER_WORK_RETURN_ERROR;
	thread->return_error.cmd = BR_OK;
	thread->reply_error.work.type = BINDER_WORK_RETURN_ERROR;
	thread->reply_error.cmd = BR_OK;
	INIT_LIST_HEAD(&new_thread->waiting_thread_node);
	return thread;
}
Unknown