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From Dirk-Willem van Gulik <di...@webweaving.org>
Subject Re: Apache/pthread and locking problem
Date Wed, 11 Aug 1999 09:33:35 GMT


On Wed, 11 Aug 1999, Ralf S. Engelschall wrote:

> > I recall there is some if-then-else statement in kern_generic.c which has
> > some funny policy choises depending on a small/large maxfd (cut off in the
> > 100-erds) which used to interact with the userland threads.
> 
> Hmmm... I cannot see any magic for uthread in
> /usr/src/sys/kern/sys_generic.c:select()...

It is something (I am on my laptop now - no kernel sources :-) like
	
	select...
		declare *p, somebuff[XXX]
		if maxfd*S > XXX
			p = malloc
		else
			p = somebuff 

followed by some other fun. I'll try to find the series of commits against
that in CVS and send them private.

Dw


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