simplelock to lock_class?

[ouyang kai]

Hi, eveyone,        I found the FreeBSD4.x defined the simplelock in the sys/sys/lock.h. But, it doesn't exist in FreeBSD5.0, why? If I want use the FreeBSD4.x simplelock function, how and what can I use in FreeBSD5.0?     Thank you! Best Regards, Ouyang Kai Get more from the Web. FREE MSN Explorer download : http://explorer.msn.com