Subject: Re: packet capturing
To: Jason Thorpe <firstname.lastname@example.org>
From: Jonathan Stone <email@example.com>
Date: 01/21/2004 15:16:10
In message <2699296C-4C67-11D8-ACFA-000A957650EC@wasabisystems.com>
>Actually, a "once" construct would do the trick nicely.
Are we seriously suggesting C constructs for the kernel? Does GCC 3
already have this, or do you have reason to think the GCC maintainers
buy it back?
>> I happen to think Perry's right: we could do with an initialization
>But then you must always be concerned about ordering issues. If you
>always do it lazily, you don't ever need to concern yourself with
>ordering, because, if something is asking for it, then it's fairly safe
>to assume that you have the information required to compute it.
FreeBSD has what, five levels of priority for initalization? I've
always assumed order within a level is ill-defined, but there's at
least an existence proof that the ordering problem is solvable.