On Fri, Jan 15, 2010 at 2:45 PM, Charles Forsyth <fors...@terzarima.net> wrote: > in the first case, you'll see the last Twrite and then a Tclunk. > in the second, you'll see the first Twrite and then a Tflush (followed by > a Tclunk when cat exits).
i don't believe these two cases can be distinguished. in particular i think you'd only see the Tflush if the first Twrite was still in flight when you typed DEL. assuming the first write had completed before DEL, the two scenarios are indistinguishable other than the different values being written. > at the server end? I know I read something about this, somewhere, but > I can't find it now. It could very well have been buried in some > source I was reading (about Tflush vs. 0 length Twrites or some > such?). wikifs uses a trick to convey errors back at the end of the file: clients can send a zero-length write before closing the file, and the zero-length write will fail if the page cannot be committed. but i don't recommend this in general. it's pretty gross and means, among other things, that cat is not as useful as a custom client. russ
