[9fans] XaoS - first useable version

[Jan Hubicka hubicka@horac.ta.jcu.cz]

On Wed, Sep 10, 1997 at 06:11:59PM +0000, forsyth@caldo.demon.co.uk wrote:
> when describing the process synchronisation primitives,
> i forgot to mention rendezvous(2), which is the system
Yes, I already readed rendenzvous description. It looks like
really interesting call. I was thinking about implementation
of lock/wakeup mechanizm using it and it seems to be really
interesting puzzle. I will think about that. If there is
already code for that, I would welcome it too :)
> call to synchronise two processes.  given rendezvous,
> <lock.h>, and rfork, you should be able to write the little
> you need fairly easily.  processes can rendezvous to
> collect points without busy waiting on the spin lock.
> note that you should
> 	rfork(RFNAMEG)
> in main(), to ensure that you've got a separate space
> for the rendezvous values.  (why RFNAMEG? because that rendezvous
> space is tied to the name space in Plan 9; in Brazil it
> becomes a separate resource controlled by a distinct flag to rfork.)
OK. BTW is there any doc about brazil at the net? I saw just little
description, wich says that it will be, and it will be better,
but nothing more. Looking forward for it.

Honza

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