why change: from proc to thread?

[kai ouyang]

Hi,everybody   I found many v_operations, such as VOP_UNLOCK, VOP_OPEN....., there all have a parameter(struct proc) in FreeBSD4.x, but, there all be changed to thread in FreeBSD5.0. why? And what relation of the proc and thread ?   Thank you! Best Regards Ouyang Kai 从网站得到更多信息。MSN Explorer 免费下载：http://explorer.msn.com/lccn