Re: POSIX aio vs completion ports

Marc Lehmann (pcg@opengroup.org)
Wed, 15 Sep 1999 16:32:26 +0200

On Wed, Sep 15, 1999 at 01:15:43AM +0100, "Stephen C. Tweedie" <sct@redhat.com> wrote:
> > no, it isn't a non-kernel issue. this must be done atomically wrt the
> > user level,
>
> No, it must be atomic between threads. No big deal, the user-mode code
> can use a lock. It's a non-kernel issue.

I think the problem he _wanted_ to make clear is that different libraries
would have to agree on some totally non-standard extra library not currently
available. Not a kernel issue, anyway.

And as other people, have shown, sigactioin is enough atomicity to ensure
that, and it exists already,

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