Re: Make pipe data structure be a circular list of pages, ratherthan

[Chris Friesen]

Alan Cox wrote:
> On Gwe, 2005-01-07 at 16:17, Linus Torvalds wrote:
>
> > it a "don't do that then", and I'll wait to see if people do. I can't
> > think of anything that cares about performance that does that anyway:  
> > becuase system calls are reasonably expensive regardless, anybody who
> > cares at all about performance will have buffered things up in user space.
>
>
> Actually I found a load of apps that do this but they don't care about
> performance. Lots of people have signal handlers that just do
>
> 	write(pipe_fd, &signr, sizeof(signr))
>
> so they can drop signalled events into their event loops

I would be one of those people, although I do pass the signal 
information as well.

Chris

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