07.12.2015 09:25, Holger Freyther пишет:
epoll. We avoid transferring FD set to the kernel all the time (and arming
them in the driver). But I assume the bigger cost of to user is the indications
we copy from the DSP to userspace.
There's interestingly looking wrapper around epoll:
http://0pointer.net/blog/introducing-sd-event.html
Not sure if it would cover dsp2userspace transfers though.
cheers,
Max.