On Mon, Jan 15, 2018 at 09:53:10AM +0100, Christoph Hellwig wrote: > > pselect, as an example, crams the sigmask and size together. Why not > > just do that? libaio can take care of setting that up. > > Yes, I could try that. It's just another double indirection for no > good reason. I cna't get this to work - for some reason I always end up with a NULL sigmask in the kernel. Nevermind that it leads to really crap code generation. I guess for select the latter doesn't matter too much as everyone sane uses ppoll anyway.