>Thank you very much for your quick reply itojun,
>
>On Linux and FreeBSD the pthreads appear to run simultaniously, permitting to
>serve several connections at once, independantly, just as fork() would do.
>For the moment it seems that if two requests are handled at the same time,
>until the first one is done with, the second one will keep waiting...

	does it change the situation if you switch to
	pkgsrc/devel/unproven-pthreads?  basically, this seems to me
	the differnce in thread package implementation.

itojun