I didn't mean the wait (ident) address, but instead the wmesg
address, which is placed in p->p_wmesg, and I think later read
by things like top... or am I being obtuse :).
Chad
On Thu, 23 Mar 2000, Matthew Dillon wrote:
> :In vm_await(), asleep() is called with "vmwait", and then
> :vm_await() just returns. What then happens to the memory at
> :"vmwait" that was passed to asleep()?
> :
> :Am I missing something, other than vm_await is never called
> :so it doesn't really matter?
> :
> :Also, with a quick find, it looks like atapi_queue_cmd() does the
> :same thing in atapi-all.c, but I might be missing something here.
> :
> :Chad
>
> The memory at the 'wait' address you tsleep and wakeup on is
> never actually accessed, the address is simply used as a
> placemarker in the hash table. So it's ok to asleep() on an
> address and then never use it, and it's ok if the object
> represented by the address is ripped out from under you in
> that case.
>
> -Matt
> Matthew Dillon
> <[EMAIL PROTECTED]>
>
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