>> 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 mo...@rodents-montreal.org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B