[prev in list] [next in list] [prev in thread] [next in thread] 

List:       cap-talk
Subject:    Re: [cap-talk] Confused Deputy, multiple authorities -  Norm?
From:       "Valerio Bellizzomi" <devbox () selnet ! org>
Date:       2006-10-31 18:26:25
Message-ID: 200610311926250670.0034C26D () smtp ! village ! it
[Download RAW message or body]

On 28/10/2006, at 23.27, Valerio Bellizzomi wrote:

>On 25/10/2006, at 9.27, David Wagner wrote:
>
>>In article <200610251204590230.001880CC@smtp.village.it> you write:
>>>Can this problem be resolved by designing the "check+write" as an
atomic
>>>operation ?
>>
>>Yes.  That's exactly what the standard advice does.  You switch hats
>>to take on the appropriate userid, then go ahead and issue the write
>>request, and the OS will perform the check atomically before executing
>>the write operation.
>
>I lack a definition of "the standard advice" term, but if the same can be
>applied to the "check+read", in this case the problem should be at least
>partially resolved ?

In hindsight this was an obvious question.

val


_______________________________________________
cap-talk mailing list
cap-talk@mail.eros-os.org
http://www.eros-os.org/mailman/listinfo/cap-talk
[prev in list] [next in list] [prev in thread] [next in thread]