Re: poll(): IN/OUT vs {RD,WR}NORM

[Mouse <mouse%Rodents-Montreal.ORG@localhost>]

>>      POLLPRI        High priority data may be read without blocking.
>>      POLLRDBAND     Priority data may be read without blocking.
>>      POLLRDNORM     Normal data may be read without blocking.

> Is this related to the "oob data" scheme in TCP (which is a hack that
> doesn't work)?

I really wish BSD hadn't tried to turn the urgent pointer into an
out-of-band data stream, because, as you say, it doesn't work for that.

It doesn't really work very well even as an API to TCP's urgent
pointer.

> Where do we attach 3 priority levels to data?

That's part of what I was wondering.

/~\ The ASCII				  Mouse
\ / Ribbon Campaign
 X  Against HTML		mouse%rodents-montreal.org@localhost
/ \ Email!	     7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B