Re: something to experiment with: LIFO and accept()
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 9 Apr 1997 23:37:47 +0100 (BST)
> It's my suspicion that if accept() woke up the last process to
> block on it then there'd be a performance improvement for servers
>
> Seems like a good idea, only two things concern me:
> 1) What if anything do the "standards" say about this?
POSIX 1003.1g draft 6.4 says nothing, and makes no 'fairness' guarantee.
> 2) There could be the possibility of starvation under some
> corener cases, this needs to be investigated.
That is the hard part of a wake_one semantic. We must wake_one who will
always complete or wake another